Patent Publication Number: US-2023149585-A1

Title: Perfume holding member and fragrance providing device

Description:
TECHNICAL FIELD 
     The present technique relates to a perfume holding member and a fragrance providing device and more specifically relates to a perfume holding member and a fragrance providing device that provide a fragrance by opening and closing an air supply passage and a fragrance emission passage. 
     BACKGROUND ART 
     Conventionally, a technique is proposed to provide a fragrance for a user by supplying air into a storage device accommodating a perfume holding member that holds perfume, and emitting an air flow of vaporized perfume. 
     For example, PTL 1 proposes a fragrance providing device including; a shielding cylinder that is a cylinder having an internal cavity as a perfume-delivery air duct and an opening on a part of the side of the cylinder; a perfume container that accommodates perfume, is provided on the outer surface of the shielding cylinder, and has a side opening near the shielding cylinder; and blowing means capable of blowing air to one end of the perfume-delivery air duct, wherein the inside of the perfume container and the perfume-delivery air duct are allowed to communicate with each other by overlapping the opening of the shielding cylinder and the opening of the perfume container by relative rotations of the shielding cylinder and the perfume container in contact with each other, and the inside of the perfume container and the perfume-delivery air duct are prevented from communicating with each other by overlapping the opening of one of the shielding cylinder and the perfume container and a part other than the opening of one of the shielding cylinder and the perfume container by relative rotations of the shielding cylinder and the perfume container in contact with each other. 
     It is assumed that the fragrance providing device described in PTL 1 can suppress the emission of an unintended perfume and provide a fragrance with proper timing. 
     CITATION LIST 
     Patent Literature 
     PTL 1 
     
         
         JP 2013-094436 A 
       
    
     SUMMARY 
     Technical Problem 
     However, the fragrance providing device of PTL 1 may cause a leakage of perfume from a fitting portion between the perfume container and the case or an opening, for example, a fragrance inlet or outlet communicating with the outside. Thus, the perfume may be deteriorated (weakened by volatilization and altered by oxidization), mixed, or melt a label on the case or the like. 
     Hence, a main object of the present technique is to provide a perfume holding member and a fragrance providing device that can prevent a leakage of perfume from gaps such as a fitting portion and an opening. 
     Solution to Problem 
     The present technique provides a perfume holding member including: a perfume holder that holds perfume; a holding space where the perfume holder is disposed; a first opening and a second opening that open the holding space to the outside; movable portions that move so as to open and close the first opening and the second opening; and a tolerance absorbing portion that absorbs a tolerance between the first opening/closing position of the first opening of the movable portion and the second opening/closing position of the second opening of the movable portion. The holding space has an airflow passage including the first opening and the second opening, and the movable portions close the first opening and the second opening in a steady state and open the first opening and the second opening when the holding space is opened. 
     The movable portion may have an attached/detached portion that is attachable or detachable by a driving source and/or magnetic means. 
     The movable portion may have an elastic body urged in the closing direction of the first opening and the second opening. 
     The tolerance absorbing portion may have an elastic body that absorbs the tolerance. 
     The movable portion may have a first raised portion that closes the first opening and a second raised portion that closes the second opening. 
     The movable portion may be a linear-motion mechanism that linearly moves in the opening/closing direction of the first opening and the second opening. 
     The perfume holding member may further include a lock mechanism that closes the holding space in a steady state and opens the holding space upon attachment to an external device. 
     The perfume holding member may further include a first case that includes the holding space and the first opening and a second case that is attached to the first case and includes the second opening, and 
     a sealing structure may be formed at a fitting portion between the first case and the second case. 
     The sealing structure may be an O ring. 
     The fitting portion between the first case and the second case may be made of an oil seal material and/or an elastic material. 
     The perfume holding member may have a surface composed of a material selected from the group consisting of resin with low gas permeability, an organic polymer, an organic low molecule, an organic metal, a metal, and a metal film, or a combination thereof. 
     The perfume holding member may have an inner wall made of a metal. 
     The perfume holding member may be a perfume cartridge attached to a fragrance providing device. 
     The present technique provides a fragrance providing device including a perfume holding member and a driving mechanism part, the perfume holding member including: a perfume holder that holds perfume; a holding space where the perfume holder is disposed, a first opening and a second opening that open the holding space to the outside; movable portions that move so as to open and close the first opening and the second opening, and a tolerance absorbing portion that absorbs a tolerance between the first opening/closing position of the first opening of the movable portion and the second opening/closing position of the second opening of the movable portion, the driving mechanism part being coupled to the movable portion and configured to drive the movable portion. The holding space has an airflow passage including the first opening and the second opening, and the movable portions close the first opening and the second opening in a steady state and open the first opening and the second opening when the holding space is opened. 
     Advantageous Effects of Invention 
     The present technique can prevent a leakage of perfume from gaps such as a fitting portion and an opening. The effect is not necessarily limited. Any effect described in the present specification or other effects achievable from the present specification may be obtained in addition to the foregoing effect or instead of the foregoing effect. 
    
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
         FIG.  1    is a perspective view illustrating a configuration example of a fragrance providing device according to a first embodiment of the present technique. 
         FIG.  2    is a side view illustrating the configuration example of the fragrance providing device according to the first embodiment of the present technique. 
         FIG.  3    is a side cross-sectional view illustrating the configuration example of the fragrance providing device according to the first embodiment of the present technique. 
         FIG.  4    is a side cross-sectional view illustrating a configuration example of a perfume holding member according to the first embodiment of the present technique. 
         FIG.  5    is a side cross-sectional view illustrating an operation example of the fragrance providing device according to the first embodiment of the present technique. 
         FIG.  6    is a side cross-sectional view illustrating a modification example of the perfume holding member according to the first embodiment of the present technique. 
         FIG.  7    is a side perspective view illustrating a modification example of a coupling portion between the perfume holding member and an open/close mechanical part according to the first embodiment of the present technique. 
         FIG.  8    is a perspective view illustrating a configuration example of a perfume holding member according to a second embodiment of the present technique. 
         FIG.  9    is an exploded perspective view illustrating the configuration example of the perfume holding member according to the second embodiment of the present technique. 
         FIG.  10    is a side cross-sectional view illustrating the configuration example of the perfume holding member according to the second embodiment of the present technique. 
     
    
    
     DESCRIPTION OF EMBODIMENTS 
     Hereinafter, preferable embodiments for implementing the present technique will be described with reference to the drawings. The embodiments to be described hereinafter illustrate examples of typical embodiments of the present technique, and any of the embodiments can be combined. Moreover, the scope of the present technique should not be interpreted narrower by the embodiments. The description will proceed in the following order:
     1. First Embodiment   (1) Configuration example of fragrance providing device   (1-1) Overall configuration   (1-2) Perfume cartridge (perfume holding member)   (1-3) Open/close mechanical part   (2) Operation example of fragrance providing device   (3) Modification example of perfume cartridge   (4) Modification example of coupling portion   2. Second Embodiment   (1) Configuration example of perfume cartridge   (2) Operation example of perfume cartridge   

     1. First Embodiment 
     (1) Configuration Example of Fragrance Providing Device 
     (1-1) Overall Configuration 
     Referring to  FIGS.  1  to  4   , a configuration example of a fragrance providing device  100  according to a first embodiment of the present technique will be described below.  FIG.  1    is a perspective view illustrating the configuration example of the fragrance providing device  100  according to the present embodiment.  FIG.  2    is a side view illustrating the configuration example of the fragrance providing device  100 .  FIG.  3    is a side cross-sectional view illustrating the configuration example of the fragrance providing device  100 .  FIG.  4    is a side cross-sectional view illustrating a configuration example of a perfume cartridge (perfume holding member)  101  provided for the fragrance providing device  100 . 
     As illustrated in  FIGS.  1  and  2   , the fragrance providing device  100  according to the present embodiment includes the cylindrical perfume cartridges  101  serving as the perfume holding members, cylindrical open/close mechanical parts  102 , and a body part  103  substantially shaped like a rectangular solid. The perfume cartridge  101  includes a first case  111  and a second case  112  attached to the rear side of the first case  111 . The open/close mechanical part  102  includes a sleeve case  113  and an open/close mechanical bottom  114  attached to the rear side of the sleeve case  113 . The body part  103  includes an open/close mechanical fixing part  115  that fixes the open/close mechanical parts  102  and a stand  116  that restricts a rearward movement of the open/close mechanical parts  102 . 
     In the fragrance providing device  100 , the open/close mechanical parts  102  are placed on one end (front side) of the longitudinal direction of the top surface of the body part  103  and are fixed by the open/close mechanical fixing part  115 . The stand  116  is provided on the other end (rear side) of the longitudinal direction of the top surface of the body part  103 . The rear end of the second case  112  of the perfume cartridge  101  is detachably connected to the front side of the sleeve case  113  of the open/close mechanical part  102 . The fragrance providing device  100  can be used in an upright position with the stand  116  placed at the bottom to direct the perfume cartridges  101  upward, so that a fragrance can be emitted upward. 
     As illustrated in  FIG.  3   , the fragrance providing device  100  passes air into a desired perfume holding space  209  selected from perfume holding spaces  209  provided in the respective perfume cartridges  101 , and then vaporizes and emits perfume held by a perfume holder  208  disposed in the perfume holding space  209 . For example, in the fragrance providing device  100 , air supplied from an air pump, which is not illustrated, is passed into the perfume holding space  209  of the perfume cartridge  101 , so that liquid perfume or moist perfume (hereinafter referred to as liquid perfume) is vaporized to emit a fragrance with air from the perfume holding space  209 . 
     The fragrance providing device  100  is used as, for example, a device for emitting a fragrance into a space of a limited range. For example, a user feels relaxed by emitting a fragrance near the face of the user one or more times from the fragrance providing device  100 . In this case, the fragrance providing device  100  emits a fragrance with high straightness and hardly diffuses the fragrance over a wide range, so that the fragrance is less likely to be sensed by persons around the user. The fragrance providing device  100  may be portable by the user or stationary. 
     (1-2) Perfume Cartridge 
     A configuration example of the perfume cartridge  101  will be described below, the perfume cartridge  101  serving as a perfume holding member provided for the fragrance providing device  100  according to the present embodiment. 
     As described above, the perfume cartridge  101  includes the first case  111  and the second case  112  attached to the rear side of the first case  111 . The perfume cartridge  101  is cylindrical. The outside shape of the perfume holding member according to the present technique is not limited to a cylinder. For example, the perfume holding member can be formed into a circular column, a rectangular solid, a cube, or any other shape. 
     As illustrated in  FIGS.  3  and  4   , the first case  111  includes a discharge hole  201  that discharges perfumed air containing a perfume to the outside, a first opening  202  that discharges perfumed air, that is, a mixture of perfume and air into the discharge hole  201 , and a first O ring  203  disposed at a fitting portion to the second case  112 . The first opening  202  is formed with the front side tapered with a tilted face. 
     In the perfume cartridge  101 , the first O ring  203  seals the fitting portion between the first case  111  and the second case  112 , thereby preventing a leakage of perfume from the fitting portion. The first O ring  203  is not limited to this structure if the structure is an airtight sealing structure capable of sealing the fitting portion between the first case  111  and the second case  112 . A fitting structure with a protrusion or a threaded structure may be used instead. 
     In the second case  112 , the perfume holding space  209  is formed so as to hold liquid perfume with an airflow passage including the first opening  202  and a second opening  211 . The first opening and the second opening can open the perfume holding space  209  to the outside. The perfume holding space  209  includes a shaft upper portion  204 , a first spring  205  and a second spring  206  that are elastic bodies, a tolerance absorbing portion  207 , the perfume holder  208  made of an impregnating material that holds liquid perfume, and a shaft lower portion  210 . 
     The second case  112  includes the second opening  211  that feeds air from the outside into the perfume holding space  209  and a second O ring  212  that is disposed at a fitting portion to the open/close mechanical part  102 . The second opening  211  is formed with the front side tapered with a tilted face. The shaft lower portion  210  has a portion attached to or detached from the open/close mechanical part  102 , and the attached/detached portion has a metallic screw  213  that can be attached or detached by a driving source and/or magnetic means. The screw  213  is not limited to a metallic screw and may be any member attracted by a magnetic force. 
     The shaft upper portion  204  can move in the perfume holding space  209  in the extending direction and is urged by the first spring  205  in a direction that closes the first opening  202  on the front side. The shaft upper portion  204  is a movable portion that can move so as to open and close the first opening  202 . 
     The tolerance absorbing portion  207  is connected to the front of the shaft upper portion  204  via the second spring  206 . The tolerance absorbing portion  207  has a front portion tapered toward the front side. The face of the front portion of the tolerance absorbing portion  207  in a steady state is pressed to the face of the first opening  202  by an elastic force from the shaft upper portion  204 , so that the first opening  202  is closed. Thus, the perfume cartridge  101  can prevent a leakage of perfume from the first opening  202  and the discharge hole  201 . 
     As described above, the tolerance absorbing portion  207  has a structure acting as a cap that absorbs a tolerance at the sealing portion and closes the first opening  202 . In this case, the tolerance means the manufacturing errors or variations of dimensions for sealing, for example, a distance between the first opening/closing position of the first opening  202  and the second opening/closing position of the second opening  211 , an opening width, or the parallelism and length of a component. For example, even if parallelism is not obtained at the closed face, the tolerance absorbing portion  207  absorbs the inclination of the shaft upper portion  204  or the shaft lower portion  210  by the second spring  206 , thereby keeping a closed state. 
     The first spring  205  is, for example, a coil spring but is not limited thereto. The first spring  205  may be an elastic body capable of urging the shaft upper portion  204  in the closing direction of the first opening  202 . The second spring  206  is, for example, a coil spring but is not limited thereto. The second spring  206  may be an elastic body capable of absorbing a tolerance between the first opening/closing position of the first opening  202  and the second opening/closing position of the second opening  211  by means of the tolerance absorbing portion  207 . 
     The shaft lower portion  210  is coupled to the rear of the shaft upper portion  204  and is movable with the shaft upper portion  204  in the perfume holding space  209  in the extending direction. The shaft lower portion  210  is a movable portion that can move so as to open and close the second opening  211 , and is in contact with the second opening  211  in a steady state. The shaft upper portion  204  and the shaft lower portion  210  can be linear-motion mechanisms that linearly moves in the opening/closing direction of the first opening  202  and the second opening  211 . The shaft lower portion  210  has a contact portion with the second opening  211  such that the contact portion is tapered toward the front side. The contact portion is pressed to the second opening  211  by the elastic force of the first spring  205  and closes the second opening  211  in a steady state. Thus, the perfume cartridge  101  can prevent a leakage of perfume from the second opening  211 . 
     Furthermore, in the perfume cartridge  101 , the second O ring  212  seals the fitting portion between the second case  112  and the open/close mechanical part  102 , thereby preventing a leakage of perfume from the fitting portion. The first O ring  203  is not limited to this structure if the structure is an airtight sealing structure capable of sealing the fitting portion between the second case  112  and the open/close mechanical part  102 . A threaded structure or the like may be used instead. 
     The perfume holder  208  holds liquid perfume. The perfume holder  208  shaped like a plate may have a cylindrical shape surrounding the side of the shaft upper portion  204 . The liquid perfume may be, for example, essential oil or essential oil diluted with ethanol. The perfume holding space  209  has the function of passing air supplied from an air pump (not illustrated), which is an example of an air source. The second case  112  may include one or more perfume holding spaces  209 . 
     Liquid perfume is deposited and held in a wet condition on at least a part of the inner surface of the perfume holding space  209 . For example, after liquid perfume is fed into the perfume holding space  209 , high-pressure gas such as air is supplied into the perfume holding space  209  for a predetermined time, so that the perfume can be deposited in a wet condition on the inner surface of the perfume holding space  209  while excessive liquid perfume is discharged out of the space. 
     The perfume cartridges  101  are coupled to one another on the body part  103 , so that the fragrance providing device  100  can control the emission of a plurality of perfumes. In this case, the perfume cartridges  101  to receive supplied air can be switched by operating any one of the open/close mechanical parts  102  connected to the perfume cartridges  101 . The perfume holding spaces  209  in the perfume cartridges  101  may hold the same liquid perfume or some or all of the perfume holding spaces  209  may hold different liquid perfumes. If the perfume holding spaces  209  hold different liquid perfumes, a fragrance to be emitted can be changed by switching the perfume cartridges  101  that can receive air supply. 
     The first case  111  and the second case  112  of the perfume cartridge  101  can be made of an organic polymeric material so as to increase the wetting of liquid perfume. Such an organic polymeric material may be, for example, any one of polyvinyl chloride, polyethylene, phenol resin, olefin resin, nylon, polyester, synthetic rubber, silicon resin, natural rubber, protein, nucleic acid, lipid, and polysaccharide or a mixture thereof. The first case  111  and the second case  112  are not limited to these examples. For example, the cases may be made of polymer resins such as acrylic resin, urethane resin, ABS resin, polyether ether ketone (PEEK) resin, polyacetal (POM) resin, fluorocarbon resin, cycloolefin polymer resin, and polyimide resin or one or two or more materials selected from metals such as stainless steel and aluminum, inorganic crystals such as quartz, or glass. 
     The second case  112  may include a reading unit capable of reading the contents of the perfume cartridge  101 . The reading unit is not illustrated. For example, the surface of the second case  112  may have a label or a bar code. 
     The perfume cartridges  101  can be manufactured by using, for example, a 3D printer. In this case, a material suitable for a 3D printer may be selected as a material of the perfume cartridges  101 . 
     (1-3) Open/Close Mechanical Part 
     A configuration example of the open/close mechanical part  102  provided for the fragrance providing device  100  according to the present embodiment will be described below. 
     As described above, the open/close mechanical part  102  includes the sleeve case  113  and the open/close mechanical bottom  114  attached to the rear side of the sleeve case  113 . The open/close mechanical part  102  is coupled to the shaft upper portion  204  and the shaft lower portion  210 , which are movable portions, and acts as a driving mechanism part for driving these portions. The open/close mechanical part  102  is cylindrical. The outside shape of the open/close mechanical part according to the present technique is not limited to a cylinder. For example, the open/close mechanical part can be formed into a circular column, a rectangular solid, a cube, or any other shape according to the perfume holding member. 
     As illustrated in  FIG.  3   , the sleeve case  113  has an operation space  225  in which an operation sleeve  221  can operate. The operation space  225  includes the operation sleeve  221 , a magnet fixing portion  222 , a bias spring  223 , and a magnet  224 . Moreover, an air intake  226  for taking in air or the like from the outside is formed on the lower portion of the front side of the sleeve case  113 . 
     The operation sleeve  221  can be operated in the operation space  225  in the extending direction by the bias spring  223 . The magnet fixing portion  222  is coupled to the front side of the operation sleeve  221 , and the magnet  224  is fixed by the magnet fixing portion  222 . When the front side of the sleeve case  113  and the rear side of the second case  112  of the perfume cartridge  101  are coupled to each other, the magnet  224  attracts the screw  213  with a magnetic force and comes into contact with the screw  213 . In this way, in the perfume cartridge  101 , magnet chucking on the portion attached to or detached from the open/close mechanical part  102  facilitates attachment and detachment to and from the open/close mechanical part  102 . The attached or detached portion may be a valve coupling. Furthermore, linear-motion power from the open/close mechanical part  102  can be transmitted to the perfume cartridge  101 . This eliminates the need for the provision of a driving source for the perfume cartridge  101 . 
     The bias spring  223  is connected to the open/close mechanical bottom  114  having one end connected to the rear of the operation sleeve  221  and the other end attached to the rear side of the sleeve case  113 . The open/close mechanical part  102  can operate the operation sleeve  221  rearward by means of an actuator acting as a driving source that is not illustrated, and returns the operation sleeve  221  forward to the original position by a restoring force of the bias spring  223  having been compressed at the time of the rearward operation. The bias spring  223  is, for example, a coil spring but is not limited thereto. The bias spring  223  may be an elastic body capable of operating operation sleeve  221  forward and rearward. 
     The actuator may be, for example, a linear-motion mechanism that linearly moves the operation sleeve  221  and includes a shape memory alloy, a motor, a solenoid, a linear-sliding type, or a small electromagnet. In this case, for the linear-motion mechanism, linear movements of some of a plurality of coupled members are included in addition to a linear movement of a single member. 
     (2) Operation Example of Fragrance Providing Device 
     Referring to  FIG.  5   , an example of an operation for emitting perfumed air from the fragrance providing device  100  will be described below.  FIG.  5    is a side cross-sectional view illustrating the operation example of the fragrance providing device  100 . 
     First, an air pump (not illustrated) coupled to the air intake  226  of the sleeve case  113  to supply air is turned on to feed air into the air intake  226  from the air pump. The air pump is an aspect of an air source. The air pump is driven by power supplied from a primary battery or a secondary battery and introduces air into an airflow passage. The air pump may be, for example, a diaphragm pump that deforms a diaphragm by supplying alternating current to a piezoelectric element and performs sucking and pumping of air. 
     Subsequently, the actuator coupled to the operation sleeve  221  is operated to linearly move the operation sleeve  221  to the rear side of the fragrance providing device  100 . At this point, the bias spring  223  is pressed and compressed rearward from the operation sleeve  221 . 
     Thus, the magnet  224  attached to the front of the operation sleeve  221  attracts the screw  213  rearward, so that the shaft lower portion  210  and the shaft upper portion  204  that are coupled to the screw  213  are moved rearward at the same time. At this point, the first spring  205  is pressed and compressed rearward from the shaft upper portion  204 . 
     When the shaft upper portion  204  and the shaft lower portion  210  move rearward, the first opening  202  and the second opening  211  that have been closed by the shaft upper portion  204  and the shaft lower portion  210  are simultaneously opened, so that the perfume holding space  209  is opened to the outside. When the second opening  211  is opened, air fed into the air intake  226  flows into the perfume holding space  209  from the second opening  211 . 
     Thereafter, air flowing into the perfume holding space  209  and perfumed air that contains air and a perfume contained in the perfume holder  208  in the perfume holding space  209  are emitted through the first opening  202  to a user outside the discharge hole  201 . 
     When the power of the actuator is turned off after the perfumed air is emitted, the operation sleeve  221  is returned to the original position in a steady state by a restoring force of the bias spring  223 . The shaft upper portion  204  and the shaft lower portion  210  are slid forward into contact with the first opening  202  and the second opening  211  by a restoring force of the first spring  205 . The first opening  202  and the second opening  211  are closed in a steady state by a sliding capping mechanism including the shaft upper portion  204  and the shaft lower portion  210 . At this point, even if a tolerance occurs, the first opening  202  and the second opening  211  can be opened at the same time by the tolerance absorbing portion  207 . 
     By adjusting the forces and displacements of the first spring  205 , the second spring  206 , the bias spring  223 , and the actuator, the fragrance providing device  100  can adjust an amount of tolerance absorption by the tolerance absorbing portion  207 . 
     The fragrance providing device  100  simultaneously opens and closes the first opening  202  and the second opening  211  to improve responsiveness. In order to improve the power of discharge from the discharge hole  201 , the mechanism may open and close the openings with a time difference. For example, the first opening  202  may be opened after the second opening  211  is opened. 
     According to the related art, perfume steadily leaks from the fitting portion between the first case  111  and the second case  112 , the fitting portion between the second case  112  and the open/close mechanical part  102 , the first opening  202 , and the second opening  211 . Thus, the perfume may be deteriorated (weakened by volatilization and altered by oxidization), mixed, or melt a label. Because of this problem, a perfume cartridge in the related art is not suitable for long storage and thus is sealed with an aluminum pouch to prevent deterioration of the perfume. 
     In contrast, the fragrance providing device  100  provided with the perfume cartridges  101  according to the present embodiment steadily closes the fitting portion between the first case  111  and the second case  112 , the fitting portion between the second case  112  and the open/close mechanical part  102 , the first opening  202 , and the second opening  211 , thereby preventing a leakage of perfume from these gaps. 
     Since the perfume holding space  209  of the perfume cartridge  101  can be closed until a certain pressure is received, the valve of an air-supply passage portion can be opened after the pump or the like is turned on. Thus, the fragrance providing device  100  keeps air intake and exhaust in one direction, thereby preventing a back flow, protecting the device, and preventing contamination (mixing of perfume). 
     Moreover, the tolerance absorbing structure of the tolerance absorbing portion  207  can structurally control whether to first open the second opening  211  serving as an air supply passage or the first opening  202  serving as an emission passage of perfumed air. Thus, the fragrance providing device  100  opens the first opening  202  after opening the second opening  211  or closes the first opening  202  after closing the second opening  211 , thereby preventing a back flow, protecting the device, and preventing contamination. 
     In order to prevent the permeation of gas in the perfume cartridge  101 , the fitting portion between the first case  111  and the second case  112  can be coated with an oil seal material or an elastic material such as silicone rubber or fluorocarbon rubber or can be made of an oil seal material and an elastic material in combination. For the same purpose, the surface of the perfume cartridge  101  can be composed of a material selected from fluorocarbon resin with low gas permeability, an organic polymeric or organic low-molecular assembly, e.g., a polymer membrane, a SAM, or an LB film, an organic metal, a metal, and a metal film, or a combination thereof. The metal or the metal film can be used for metallization. Furthermore, the inner wall surface of the perfume cartridge  101  can be made of a metal. 
     (3) Modification Example of Perfume Cartridge 
     Referring to  FIG.  6   , a modification example of the perfume cartridge  101  will be described below.  FIG.  6    is a side cross-sectional view illustrating the modification example of the perfume cartridge  101  according to the present embodiment. A perfume cartridge  301  of the present modification example is different from the perfume cartridge  101  in that a contact surface between an opening and a shaft portion is not inclined and the opening and the shaft portion are formed on surfaces perpendicular to the moving direction of the shaft portion. Other configurations of the perfume cartridge  301  are identical to those of the perfume cartridge  101 . The same configurations are indicated by the same reference numerals. 
     As illustrated in  FIG.  6   , the perfume cartridge  301  includes a first case  302  and a second case  303  attached to the rear side of the first case  302 . The perfume cartridge  301  is cylindrical. The outside shape of the perfume holding member according to the present technique is not limited to a cylinder. For example, the perfume holding member can be formed into a circular column, a rectangular solid, a cube, or any other shape. 
     The first case  302  includes the discharge hole  201  that discharges perfumed air containing a perfume to the outside, a first opening  312  that discharges perfumed air, that is, a mixture of perfume and air into the discharge hole  201 , and the first O ring  203  disposed at a fitting portion to the second case  303 . The first opening  312  has a contact surface with the shaft upper portion  204  such that the contact surface is perpendicular to the moving direction of the shaft upper portion  204 . In the perfume cartridge  301 , the first O ring  203  seals the fitting portion between the first case  302  and the second case  303 , thereby preventing a leakage of perfume from the fitting portion. 
     In the second case  303 , the perfume holding space  209  that holds liquid perfume is formed. The perfume holding space  209  includes the shaft upper portion  204 , the first spring  205 , the second spring  206 , a tolerance absorbing portion  317 , the perfume holder  208 , and a shaft lower portion  320 . 
     The second case  303  includes a second opening  321  that feeds air from the outside into the perfume holding space  209  and the second O ring  212  that is disposed at a fitting portion to the open/close mechanical part  102 . The second opening  211  has a contact surface with the shaft lower portion  320  such that the contact surface is perpendicular to the moving direction of the shaft lower portion  320 . The metallic screw  213  is provided at the contact portion of the shaft lower portion  210  with the open/close mechanical part  102 . 
     The shaft upper portion  204  can move in the perfume holding space  209  in the extending direction and is urged by the first spring  205  toward the first opening  202  on the front side. 
     The tolerance absorbing portion  317  is connected to the front of the shaft upper portion  204  via the second spring  206 . The tolerance absorbing portion  317  has a front portion with a face perpendicular to the moving direction of the shaft upper portion  204 . The face of the front portion of the tolerance absorbing portion  317  in a steady state is pressed to the face of the first opening  312  by an elastic force from the shaft upper portion  204 , so that the first opening  312  is closed. Like the tolerance absorbing portion  207 , the tolerance absorbing portion  317  has a structure acting as a cap that absorbs a tolerance at the sealing portion and closes the first opening  312 . Thus, the perfume cartridge  301  can prevent a leakage of perfume from the first opening  312  and the discharge hole  201 . 
     The first spring  205  may be an elastic body capable of urging the shaft upper portion  204  in the closing direction of the first opening  312 . The second spring  206  may be an elastic body capable of absorbing a tolerance between the first opening/closing position of the first opening  312  and the second opening/closing position of the second opening  321  by means of the tolerance absorbing portion  317 . 
     The shaft lower portion  320  is coupled to the rear of the shaft upper portion  204  and is movable with the shaft upper portion  204  in the perfume holding space  209  in the extending direction. The shaft lower portion  320  is in contact with the second opening  321  in a steady state. The shaft lower portion  320  has a contact portion with the second opening  321  such that the contact portion is formed with a face perpendicular to the moving direction of the shaft lower portion  320 . The contact portion is pressed to the second opening  321  by an elastic force of the first spring  205 , so that the second opening  321  is closed in a steady state. Thus, the perfume cartridge  301  can prevent a leakage of perfume from the second opening  321 . 
     Furthermore, in the perfume cartridge  301 , the second O ring  212  seals the fitting portion between the second case  303  and the open/close mechanical part  102 , thereby preventing a leakage of perfume from the fitting portion. 
     The perfume cartridge  301  provided for the fragrance providing device according to the present technique can achieve the same effect as the fragrance providing device  100 . Moreover, in the perfume cartridge  301 , the contact surfaces between the first opening  312  and the second opening  321  and the shaft upper portion  204  and the shaft lower portion  320  are perpendicular to the moving directions of the shaft upper portion  204  and the shaft lower portion  320 , so that the perfume cartridge  301  can be manufactured with greater ease than the perfume cartridge  101 . The perfume cartridge  301  can increase the airtightness of the contact surfaces with greater ease than the perfume cartridge  101 , thereby preventing a leakage of perfume with higher accuracy. 
     (4) Modification Example of Coupling Portion 
     Referring to  FIG.  7   , a modification example of the fragrance providing device  100  will be described below.  FIG.  7    is a side perspective view illustrating a modification example of a coupling portion between the perfume cartridge  101  and the open/close mechanical part  102 . A coupling portion between a perfume cartridge  401  and an open/close mechanical part  402  of the present modification example has a lock mechanism. Other configurations are identical to those of the perfume cartridge  101  and the open/close mechanical part  102 , and thus an explanation thereof is omitted. 
     As illustrated in  FIG.  7   , the perfume cartridge  401  has a sealing portion  403  attached to the rear end coupled to the open/close mechanical part  402 . On the sealing portion  403 , a protruding portion  404  is formed. On the rear end of the perfume cartridge  401 , an L-shaped protrusion fixing groove  405  is formed so as to receive the inserted protruding portion  404 . When the sealing portion  403  is attached to the perfume cartridge  401 , the protruding portion  404  is inserted into the protrusion fixing groove  405 , and then the sealing portion  403  is rotated in the circumferential direction of the cross section of the perfume cartridge  401  such that the sealing portion  403  is fixed with the protruding portion  404  held by the bending portion of the protrusion fixing groove  405 . 
     The open/close mechanical part  402  has a protrusion moving groove  406  at the front to be coupled to the perfume cartridge  401 , the protrusion moving groove  406  including a linear portion, a tilted portion, and a linear portion where the protruding portion  404  can be inserted. 
     When the perfume cartridge  401  is attached to the open/close mechanical part  402 , first, the rear of the perfume cartridge  401  and the front of the open/close mechanical part  402  are coupled to each other while aligning the openings of the protrusion fixing groove  405  and the protrusion moving groove  406 . The sealing portion  403  is then rotated opposite to the direction of fixing the protruding portion  404  into the protrusion fixing groove  405 , so that the protruding portion  404  is released from the protrusion fixing groove  405 . The protruding portion  404  is then slid from the protrusion fixing groove  405  according to the shape of the protrusion moving groove  406 . Thus, the sealing portion  403  moves into the open/close mechanical part  402  during the attachment, and the inside of the perfume cartridge  401  and the inside of the open/close mechanical part  402  communicate with each other so as to open the perfume holding space. 
     When the perfume cartridge  401  alone is placed in a steady state, the lock mechanism of the coupling portion between the perfume cartridge  401  and the open/close mechanical part  402  closes the perfume holding space so as to prevent a leakage of perfume from the rear end of the perfume cartridge  401  and prevent a lid or the like on the rear end from being accidentally removed to cause a leakage of perfume. Moreover, the perfume cartridge  401  and the open/close mechanical part  402  can be coupled to each other in a sealing state and thus prevent a leakage of perfume even after the coupling. 
     2. Second Embodiment 
     (1) Configuration Example of Perfume Cartridge 
     Referring to  FIGS.  8  to  10   , a configuration example of a perfume cartridge  501  according to a second embodiment of the present technique will be described below.  FIG.  8    is a perspective view illustrating the configuration example of the perfume cartridge  501  according to the present embodiment.  FIG.  9    is an exploded perspective view illustrating the configuration example of the perfume cartridge  501 .  FIG.  10    is a side cross-sectional view illustrating the configuration example of the perfume cartridge  501 . The perfume cartridge  501  is different from the perfume cartridge  101  according to the first embodiment in that the inner surfaces of openings and the raised portions of a shaft portion are brought into contact with each other to form a sealing structure. 
     As illustrated in  FIGS.  8  and  9   , the perfume cartridge  501  according to the present embodiment is cylindrical and includes a first case  511 , a second case  512  attached to the rear side of the first case  511 , and a shaft portion  513  that is movable in the first case  511  and the second case  512  in the extending direction. However, the shape of the perfume cartridge  501  is not limited to a cylinder. 
     The first case  511  has two protruding portions  514  opposed to each other on the side of a coupling portion to the second case  512 . The second case  512  has two L-shaped protrusion fixing grooves  515 , in which the protruding portions  514  can be inserted, on a coupling portion to the first case  511 . The number of protruding portions  514  and the number of protrusion fixing grooves  515  are not limited to two and may be one or three or more. 
     When the first case  511  and the second case  512  are coupled to each other, the protruding portions  514  are inserted into the protrusion fixing grooves  515 , and then the first case  511  is rotated in the circumferential direction of the cross section of the perfume cartridge  501  such that the first case  511  is fixed with the protruding portions  514  held by the bending portions of the protrusion fixing grooves  515 . 
     As illustrated in  FIG.  9   , the shaft portion  513  is cylindrical and has a first raised portion  516  and a second raised portion  517  at spaced points on the side of the shaft portion  513 . The first raised portion  516  and the second raised portion  517  are circular in cross section perpendicularly to the axial direction. A distance between the first raised portion  516  and the second raised portion  517  corresponds to a distance between the circumferential portion of a first opening  522  and the circumferential portion of a second opening  525 . The first opening  522  and the second opening  525  will be described later. 
     As illustrated in  FIG.  10   , the first case  511  includes a discharge hole  521  that discharges perfumed air containing a perfume to the outside, the first opening  522  that feeds perfumed air, that is, a mixture of perfume and air into the discharge hole  521 , and a first O ring  523  disposed at a fitting portion to the second case  512 . 
     In the perfume cartridge  501 , the first O ring  523  seals the fitting portion between the first case  511  and the second case  512 , thereby preventing a leakage of perfume from the fitting portion. 
     In the second case  512 , a perfume holding space  519  that holds liquid perfume is formed. The perfume holding space  519  includes the shaft portion  513  and a perfume holder  524 . The perfume holder  524  shaped like a plate may have a cylindrical shape surrounding the side of the shaft portion  513 . The second case  512  includes the second opening  525  that feeds air from the outside into the perfume holding space  519 . The shaft portion  513  is a movable portion that can move so as to open and close the first opening  522  and the second opening  525  at the same time or with a time difference. 
     The diameters of the first opening  522  and the second opening  525  are smaller than the internal space of the perfume holding space  519  or the like and are substantially equal to the diameters of the cross sections of the first raised portion  516  and the second raised portion  517  perpendicularly to the axial direction. Thus, when the shaft portion  513  is stored in the first case  511  and the second case  512 , the first raised portion  516  and the second raised portion  517  come into contact with the inner surfaces of the first opening  522  and the second opening  525 , thereby closing the first opening  522  and the second opening  525 . 
     The circumferential portion of the first opening  522  and the circumferential portion of the second opening  525  have large widths in the extending direction. The widths of the circumferential portions act as tolerance absorbing structures for absorbing tolerances. The first opening  522  and the second opening  525  can be opened and closed at the same time or with a time difference by adjusting the widths of the circumferential portions acting as the tolerance absorbing structures. 
     (2) Operation Example of Perfume Cartridge 
     Referring to  FIG.  10   , an example of an operation for emitting perfumed air from the perfume cartridge  501  will be described below. 
     When the shaft portion  513  is moved to the rear side of the perfume cartridge  501  by a driving force of an actuator or the like, the first raised portion  516  and the second raised portion  517  are separated from the inner surfaces of the first opening  522  and the second opening  525 , thereby opening the first opening  522  and the second opening  525 . At this point, the first opening  522  and the second opening  525  can be opened at the same time or with a time difference by adjusting the widths of the circumferential portions of the first opening  522  and the second opening  525  in the extending direction. 
     When the second opening  525  is opened, air fed into an air intake flows into the perfume holding space  519  of the second case  512  from the second opening  525 . 
     Thereafter, air flowing into the perfume holding space  519  and perfumed air that contains air and a perfume contained in the perfume holder  524  in the perfume holding space  519  are emitted through the first opening  522  to a user outside the discharge hole  521 . 
     After the emission of the perfumed air, the shaft portion  513  is slid to the original position to bring the first raised portion  516  and the second raised portion  517  into contact with the inner surfaces of the circumferential portions of the first opening  522  and the second opening  525 , so that the first opening  522  and the second opening  525  are closed. At this point, by adjusting the widths of the circumferential portions of the first opening  522  and the second opening  525  in the extending direction, the first opening  522  and the second opening  525  can be closed at the same time regardless of the tolerances of the first raised portion  516  and the second raised portion  517  in the extending direction even if a tolerance occurs between the first opening  522  and the second opening  525 . 
     With this configuration, in addition to the same effect as the first embodiment, the perfume cartridge  501  according to the present embodiment can absorb a tolerance between the circumferential portions of the first opening  522  and the second opening  525  and easily control the opening/closing of the openings regardless of the tolerances of the first raised portion  516  and the second raised portion  517  in the extending direction. 
     The present technique can be configured as follows:
     (1) A perfume holding member including:   a perfume holder that holds perfume;   a holding space where the perfume holder is disposed;   a first opening and a second opening that open the holding space to outside;   movable portions that move so as to open and close the first opening and the second opening; and   a tolerance absorbing portion that absorbs a tolerance between a first opening/closing position of the first opening of the movable portion and a second opening/closing position of the second opening of the movable portion,   wherein the holding space has an airflow passage including the first opening and the second opening, and   the movable portions close the first opening and the second opening in a steady state and open the first opening and the second opening when the holding space is opened.   (2) The perfume holding member according to (1), wherein the movable portion has an attached/detached portion that is attachable or detachable by a driving source and/or magnetic means.   (3) The perfume holding member according to (1) or (2), wherein the movable portion has an elastic body urged in a closing direction of the first opening and the second opening.   (4) The perfume holding member according to any one of (1) to (3), wherein the tolerance absorbing portion has an elastic body that absorbs the tolerance.   (5) The perfume holding member according to (1) or (2), wherein the movable portion has a first raised portion that closes the first opening and a second raised portion that closes the second opening.   (6) The perfume holding member according to any one of (1) to (5), wherein the movable portion is a linear-motion mechanism that linearly moves in an opening/closing direction of the first opening and the second opening.   (7) The perfume holding member according to any one of (1) to (6), further including a lock mechanism that closes the holding space in a steady state and opens the holding space upon attachment to an external device.   (8) The perfume holding member according to any one of (1) to (7), further including a first case that includes the holding space and the first opening and a second case that is attached to the first case and includes the second opening, and   wherein a sealing structure is formed at a fitting portion between the first case and the second case.   (9) The perfume holding member according to (8), wherein the sealing structure is an O ring.   (10) The perfume holding member according to (8) or (9), wherein the fitting portion between the first case and the second case is made of an oil seal material and/or an elastic material.   (11) The perfume holding member according to any one of (1) to (10), wherein the perfume holding member has a surface composed of a material selected from the group consisting of resin with low gas permeability, an organic polymer, an organic low molecule, an organic metal, a metal, and a metal film, or a combination thereof.   (12) The perfume holding member according to any one of (1) to (11), wherein the perfume holding member has an inner wall made of a metal.   (13) The perfume holding member according to any one of (1) to (12), wherein the perfume holding member is a perfume cartridge attached to a fragrance providing device.   (14) A fragrance providing device comprising a perfume holding member and a driving mechanism part,   the perfume holding member including:   a perfume holder that holds perfume;   a holding space where the perfume holder is disposed;   a first opening and a second opening that open the holding space to outside;   movable portions that move so as to open and close the first opening and the second opening; and   a tolerance absorbing portion that absorbs a tolerance between a first opening/closing position of the first opening of the movable portion and a second opening/closing position of the second opening of the movable portion, the driving mechanism part being coupled to the movable portion and   configured to drive the movable portion,   wherein the holding space has an airflow passage including the first opening and the second opening, and   the movable portions close the first opening and the second opening in a steady state and open the first opening and the second opening when the holding space is opened.   

     REFERENCE SIGNS LIST 
     
         
           100  Fragrance providing device 
           101 ,  301 ,  401 ,  501  Perfume cartridge (Perfume holding member) 
           102 ,  402  Open/close mechanical part 
           103  Body part 
           111 ,  302 ,  511  First case 
           112 ,  303 ,  512  Second case 
           113  Sleeve case 
           114  Open/close mechanical bottom 
           115  Open/close mechanical fixing part 
           116  Stand 
           201 ,  521  Discharge hole 
           202 ,  312 ,  522  First opening 
           203 ,  523  First O ring 
           204  Shaft upper portion 
           205  First spring 
           206  Second spring 
           207 ,  317  Tolerance absorbing portion 
           208 ,  524  Perfume holder 
           209 ,  519  Perfume holding space 
           210 ,  320  Shaft lower portion 
           211 ,  321 ,  525  Second opening 
           212  Second O ring 
           213  Screw 
           221  Operation sleeve 
           222  Magnet fixing portion 
           223  Bias spring 
           224  Magnet 
           225  Operation space 
           226  Air intake 
           403  Sealing portion 
           404 ,  514  Protruding portion 
           405 ,  515  Protrusion fixing groove 
           406  Protrusion moving groove 
           513  Shaft portion 
           516  First raised portion 
           517  Second raised portion