Abstract:
The present disclosure relates to a fixed quantity discharge device for a liquid container, more specifically a fixed quantity discharge device for a liquid container which includes a contents suction tube extended into the inside of the container body for enabling a pipette tube to be inserted and drawn so as to make the lower end of the pipette tube be exposed to the contents, thus preventing contamination of the pipette tube, and a piston provided in the container body so as to rise as the contents are consumed, thus minimizing the residual contents in the container body.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This U.S. utility patent application is a national stage application under 35 U.S.C. §371 of international application PCT/KR2014/003310, filed Apr. 16, 2014, and claims the benefit of priority under 35 U.S.C. §119 of Korean Patent Application No. 10-2013-0041334, filed Apr. 16, 2013, the entire contents of which are hereby incorporated herein by reference for all purposes. 
     TECHNOLOGICAL FIELD 
     The present disclosure relates to a fixed quantity discharge device for a liquid container and, more specifically, a fixed quantity discharge device for a liquid container which includes a contents suction tube extended into the inside of the container body for enabling a spuit pipe to be inserted and drawn so as to make the lower end of the spuit pipe exposed to the contents, thus preventing contamination of the spuit pipe, and a piston provided in the container body so as to ascend as the contents are being consumed, thus minimizing the residual contents in the container body. 
     BACKGROUND 
     Generally, a method used for cosmetics or liquid contents, such as an eye cream, is to use a small but fixed amount at a time, and therefore a method individually prepacking a fixed amount was used previously for each use by packing as much as to be used in one container such as a capsule. However these individual packing method had a problem that there was relatively large amount of residual remaining in the capsule, which was very inefficient. 
     To solve these problems in individual prepacking method, it is devised to use a discharging tool, which has a structure of ordinary spuits or injectors to suck and discharge contents contained in a container, or a discharging tool, which has a structure of a push pump, and thereby contents are drawn whenever being used. 
     However, in case of a discharging tool with a structure of general spuits, amount of discharged contents is variable according to the amount of pressure given by a user, and thereby problems still remain: it is not easy to discharge exactly fixed amount whenever being used. 
     To solve such problems described in the above, “Dispenser for liquid container” (Korean registered patent no. 10119176) has been filed by the inventor of this application, which proposed a structure that can discharge a fixed amount of contents. 
     The above registered patent has a feature wherein a spring ( 800 ) is contracted when an inner cap ( 220 ) is combined to a container body ( 100 ), whereas the spring ( 800 ) is restored when the inner cap ( 220 ) is detached and thereby contents flow into the inside of the spuit pipe ( 700 ); as a result, it is possible to discharge a fixed amount of contents easily without additional manipulation. 
     However, the above registered patent has a structure wherein a spuit pipe entirely is inserted and withdrawn, so that contamination of a spuit pipe ( 700 ) by contents contained in the container body ( 100 ) is likely to arise. In addition, when contents are almost used, due to a structure wherein contents remaining on the wall of the container body ( 100 ) are hard to suck in, a problem that a large amount of residual in the container remains still stays unsolved. 
     In addition, since it has a structure, wherein a button part ( 400 ) is restored by a spring ( 800 ) after contents being used, the structure should be very complicated so as to suck back contents into the inside of the spuit pipe ( 700 ) after contents being used; it is necessary to combine an inner cap ( 200 ) and move a button part ( 400 ) to a downward direction and then move the button part ( 400 ) to a upward direction when detaching the inner cap ( 200 ). 
     SUMMARY OF THE DISCLOSURE 
     The present disclosure is devised to solve the said problems in the above, and its goal is to provide a fixed quantity discharge device for a liquid container which includes a contents suction tube extended into the inside of the container body for enabling a spuit pipe be inserted and withdrawn so as to make the lower end of the spuit pipe exposed to the contents, thus preventing contamination of the spuit pipe, and a piston provided in the container body so as to ascend as the contents are consumed, thus minimizing the residual contents in the container body. 
     Furthermore, it is to provide a fixed quantity discharge device for a liquid container, wherein by installing a structure, a button ascends along a guide part formed at an inner cap when a spuit part is combined to a coupling part and sucks and discharges contents contained in the container body into a spuit pipe, and thereby it is possible to discharge contents by means of the simple structure without a spring installed. 
     To solve the above problems, a fixed quantity discharge device for a liquid container according to the present disclosure comprises a container body where contents are contained; a spuit part which is combined so as to be detached from the container body; and a spuit pipe which sucks and discharges a fixed amount of contents contained in the container body, 
     wherein the fixed quantity discharge device for a liquid container comprises: a support body which is combined encircling an upper portion of the container body, further comprising a coupling part wherein the spuit pipe is combined and a contents suction tube which is extended into the interior of the container body for enabling a spuit pipe to be inserted and withdrawn, comprising a contents inflow hole at an lower end; a sealing member which is installed at an inner lower end of the contents suction tube and guides contents flowing in through the contents inflow hole to move only to the spuit pipe; and a piston which moves according to usage of the contents inside the container body. 
     Furthermore, it is featured that the spuit part comprises a spuit pipe which is inserted into the contents suction tube and sucks in contents which flow into the contents suction tube; an inner cap which is combined with a screw and forms a guide part which ascends and descends a button part at both sides of a upper end; an outer cap, combined encircling the inner cap, which rotates together with the inner cap by a user&#39;s manipulation and forms a vertical guide groove longitudinally at an inner circumferential surface so as to guide the vertical movement of a button part; a button part which ascends by rotation of the outer cap and descends by the pressurization of a user, further comprising a guide protrusion which ascends and descends along with a guide part of the inner cap. 
     Furthermore, in embodiments, it is featured that at a center of the inner cap is installed a pipe fixing part which is inserted to an upper portion of the spuit pipe and fixes the spuit pipe into the inner cap. 
     Furthermore, in embodiments, it is featured that the guide part is configured to include an ascending guide face which forms a slope in order to guide the ascent of a guide protrusion; a descending guide face which forms a slope so as to confront with the ascending guide face and guides the descent of the guide protrusion; and a securing face which is placed between the ascending guide face and the descending guide face and at which the guide protrusion arrives safely as the guide protrusion is descending. 
     Furthermore, in embodiments, it is featured, at an end of the ascending guide face, to form a limiting protrusion which is extended horizontally and supports the guide protrusion and limits the downward movement of a button part. 
     Furthermore, in embodiments, it is featured that a flange tip support rod formed with protrusion in a downward direction is equipped at a center of the inner upper end of the button part, and that at the flange tip support rod is equipped a flange tip which moves upward and downward inside a spuit pipe and sucks and discharges contents according to the pressure change inside the spuit pipe. 
     According to the present disclosure as described in the above, the presently described embodiments have an advantage in that a contents suction tube is extended into the interior of the container body for enabling a spuit pipe to be inserted and withdrawn so as to make the lower end of the spuit pipe be exposed to the contents, thus preventing contamination of the spuit pipe, and in that a piston is provided in the container body so as to ascend as the contents are being consumed, thus minimizing the residual contents in the container body. 
     Furthermore, the presently described embodiments also have an advantage in that by planning a structure which makes a button ascend along a guide part formed at an inner cap when combining a spuit part to a coupling part, it is possible to suck and discharge contents by means of a simple structure without installing a spring. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is exploded perspective views illustrating a configuration of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
         FIG. 2  is exploded cross-sectional views illustrating a configuration of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
         FIG. 3  is an assembled perspective view illustrating a configuration of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
         FIG. 4  is an assembled cross-sectional view illustrating a configuration of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
         FIG. 5  is explanatory views illustrating a combining state of an inner cap, a button part, and an outer cap of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
         FIGS. 6 and 7  are explanatory views illustrating a contents suctioning process of a spuit part of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
         FIGS. 8 and 9  are explanatory views illustrating a discharging process of contents through a spuit pipe of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
     
    
    
     DETAILED DESCRIPTION 
     Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. The same reference numerals provided in the drawings indicate the same members. 
       FIG. 1  is exploded perspective views illustrating a configuration of a fixed quantity discharge device for a liquid container according to an exemplary embodiment.  FIG. 2  is exploded cross-sectional views illustrating a configuration of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
       FIG. 3  is an assembled perspective view illustrating a configuration of a fixed quantity discharge device for a liquid container according to an exemplary embodiment.  FIG. 4  is an assembled cross-sectional view illustrating a configuration of a fixed quantity discharge device for a liquid container according to an exemplary embodiment.  FIG. 5  is explanatory views illustrating a combination of an inner cap, a button part, and an outer cap of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
     Referring to  FIGS. 1 to 7 , a fixed quantity discharge device for a liquid container according to an exemplary embodiment of includes a container body  100 , a spuit part  200 , and a support part  300 . 
     The container body  100 , where contents are contained, comprises a piston  110  which ascends according to usage of contents at an inner side. As to the present invention, it is featured that a piston  110  is provided at the interior of the container body  100 , thereby minimizing the contents which remains on an inner wall of the container body  100 . 
     The spuit part  200 , which is combined so as to be detached from the container body  100 , and sucks and discharges a fixed amount of contents contained in the container body  100 , includes a spuit pipe  210 , an inner cap  220 , an outer cap  230 , and a button part  240 . 
     The spuit part  210 , forming its lower end opened and sucking contents flowing into a contents suction tube  320  that will be described later, is inserted into the contents suction tube  320  when combining a spuit pipe  200  into the container body  100 , and then sucks and stores contents flowing into the contents suction tube  320  through a contents inflow hole  321 . The spuit part  210  sucks and discharges contents from the contents suction tube  320  when the spuit part  200  is detached from the container body  100 , and thereby contents kept by pressurization of a button part  240  is discharged to the exterior. 
     A lower end of the spuit pipe  210  is coupled with a sealing member  322  which is located at an inner lower end of a contents suction tube  320  when inserted into the contents suction tube  320 ; thereby, it is possible that contents flowing in through a contents inflow hole  321  flow only into a opened lower end of a spuit pipe  210 . 
     The inner cap  220  is combined to a coupling part  310  of a support body  300  with screw coupling, and it is featured, as to the present invention, that a guide part  221  ascends and descends a button part  240  at both sides of the inner cap  220 . 
     The guide part  221  comprises an ascending guide face  221   a  which forms a slope in order to guide the ascent of a guide protrusion  241  which will be described later; a descending guide face  221   b  which forms a slope so as to confront with the ascending guide face  221   a  and guides the descent of the guide protrusion  241 ; and a securing face  221   c  which is located between the ascending guide face  221   a  and the descending guide face  221   b  and at which the guide protrusion  241  arrives safely as the guide protrusion  241  is descending. 
     The guide part  221  which guides a guide protrusion  241  to move upward along the ascending guide face  221   a  when a rotation body  220  rotates to one side direction and ascends a button part  240 , comprises a limiting protrusion  222  which is extended horizontally at the guide part  221  and supports the guide protrusion  241 , thus limiting a downward movement while the button part  240  is ascending. 
     Furthermore, the guide part  221 , while the guide protrusion  241  is being located at an upper portion of a descending guide face  221   b , guides the guide protrusion  241  to move along the descending guide face  221   b  and thereby descends the button part  250  when the button part  250  is pressurized by a user. 
     On the other hand, a coupling protrusion  224 , coupled to a combining groove  231  of an outer cap  230  as encircling an outer circumferential surface, is installed at a lower portion of the inner cap  220 . 
     On the other hand, at the center of the inner cap  220  is installed a pipe fixing part  223  which fixes a spuit pipe  210  to an inner cap  220 , wherein the pipe fixing part  223  is combined encircling an upper portion of the spuit pipe  210  and prevents the spuit pipe  210  from being detached from the inner cap  220  while a spuit part  200  is being detached from the coupling part  310  of the support body  300 . A penetrating hole  225  is formed at a pipe fixing part  223  for enabling a flange support rod  242  to penetrate in. 
     The outer cap  230 , which is combined encircling the inner cap  220  and rotates with the inner cap  220  by the manipulation of a user, comprises a vertical guide groove  232  longitudinally at an inner circumferential surface for guiding the vertical movement of a button part  240 . 
     At the vertical guide groove  232  is combined a guide protrusion  241  of a button part  240 , which guides a guide protrusion  241  of a button part  240  to move vertically when an outer cap  230  rotates. 
     On the other hand, at a lower portion of the outer cap  240  is installed a combining groove  231  which is combined with the combining protrusion  224 . 
     The button part  240 , which ascends along an ascending guide face  221   a  by rotation of the outer cap  240  and then descends along a descending guide face  221   b , comprises a guide protrusion  241  at a side surface which moves along a guide part  221  of the inner cap  220 . 
     The button part  240  discharges contents sucked into the interior of a spuit pipe  210  by a user&#39;s pressurization; for this, at a center of the inner upper end of the button part  240  is installed a flange tip support rod  242  which is combined with a flange tip  243  formed with protrusion in a downward direction. 
     At a lower portion of the flange tip support rod  242  is combined a flange tip  243 ; thereby, when a user presses an upper end of the button part  240 , the flange tip  243  moves in a downward direction in the interior of a spuit pipe  210  by the flange tip support rod  242  and changes the pressure in the interior of the spuit pipe  210 , thereby discharging contents sucked into the interior of the spuit pipe  210 . 
     On the other hand, when a button part  240  ascends by rotation of an outer cap  230 , the pressure in the interior of the spuit pipe  210  is changed by the upward movement of the flange tip support rod  242  and the flange tip  243 , thereby sucking contents contained in the container body  100  into the interior of the spuit pipe  210 . 
     A support body  300  is combined encircling an upper portion of the container body  100  and seals the interior of the container body  100 , comprising a coupling part  310  which is combined with screw coupling with an inner cap  220  so as for the spuit pipe  210  to be combined. 
     As presently described, it is featured in some embodiments that at an inner side of a coupling part  310  is installed a contents suction tube  320  which is extended into the inside of the container body  100  for enabling a spuit pipe  210  to be inserted and drawn, wherein a contents inflow hole  321  is installed at a lower end of the contents suction tube  321  so that contents contained in the container body  100  flow in by means of spuit part  200 . 
     On the other hand, a sealing member  322 , which guides contents flowing in through the contents inflow hole  321  to move only to a spuit pipe  210 , is installed at an inner lower end of the contents suction tube  320  so as to be stuck tightly on an inner circumferential surface of a contents suction tube  320 , wherein the sealing member  322  is coupled encircling a lower portion of a spuit pipe  210  when a spuit pipe  210  is inserted into a contents suction tube  320 , thereby preventing contents from moving into no places other than the spuit pipe  210 . 
     Hereinafter, referring to FIGS. from  6  to  9 , the operational method of a fixed quantity discharge device for a liquid container will be described in detail.  FIGS. 6 and 7  are explanatory views illustrating the contents suctioning process of a spuit part of a fixed quantity discharge device for a liquid container according to an exemplary embodiment, and  FIGS. 8 and 9  are explanatory views illustrating a discharging process of contents through a spuit pipe of a fixed quantity discharge device for a liquid container according to an exemplary embodiment. 
     Referring to FIGS. from  6  to  9 , in the operational method of a fixed quantity discharge device for a liquid container of the present invention, if a user rotates an outer cap  230  to one side direction while a guide protrusion  241  of a button part  240  is secured on a securing face  221   c , an inner cap  220  is pressurized and rotated by the pressure formed by pressing the outer cap  230 . As a result, the inner cap  220  is combined with screw coupling to a coupling part  310  of the support body  300 . 
     When an inner cap  220  performs a screw coupling with a coupling part  310  completely, then the inner cap  220  is not rotated any longer and instead an outer cap  230  is rotated independently; at this time, a guide protrusion  241  of a button part  240  ascends along an ascending guide face  221   a  formed at the inner cap  220 , and thereby the button part  240  ascends. 
     Next, when a button part  240  ascends, a flange tip  243  combined to a lower portion of a flange tip support rod  242  of the button part, and as the flange tip  243  ascends, contents flow into a contents suction tube  320  through a contents inflow hole  321  by inner pressure of a spuit pipe  210  caused as a flange tip  243  is ascending; thereby, contents which flows in through a contents inflow hole  321  by a sealing member  322  installed at a contents suction tube  320  is sucked only into the interior of a spuit pipe  210 . At this time, a guide protrusion  241  of a button part  240  is configured to be secured at a limiting protrusion  222 , thereby making the button part  240  not pressurized in a downward direction. 
     As the above, an outer cap  230  is rotated to the other side direction for detaching a spuit part  200  from a coupling part  310  so as to use contents while contents is being discharged into the interior of a spuit pipe  220 . If the outer cap  230  is rotated into the other side direction, firstly the outer cap  230  can be rotated independently and then when a guide protrusion  240  meets directly an inner wall of the guide part  221  which is located on a top dead point of a descending guide face  221   b , an inner cap  220  can be rotated along with an outer cap  230  by pressurization of the guide part  221  by a guide protrusion  240 . As a result, the inner cap  220  is released from a screw coupling from the coupling part  310 , and thereby, the spuit part  200  is detached from the coupling part  310 . 
     As the above, when a button part  240  is pressurized while a spuit part  200  is being detached from a coupling part  310 , a guide protrusion  241  of a button part  240  gets to pressurize a descending guide face  221   b  of an inner cap  220  and thereby performs the rotation of the inner cap  220  and then leads the guide protrusion  241  to descend along the descending guide face  221   b , resulting in the descent of the button part  240 . 
     When the button part  240  descends, a flange tip  243  combined at a lower portion of the button part  240  descends together, resulting in discharging contents sucked in a contents suction tube  320 . 
     If discharging contents is performed through the process as the above, a guide protrusion  241  becomes in a state of being secured at a securing face  221   c ; in this state, when rotating an outer cap  230  to one side direction and combines to a coupling part  310  of an inner cap  220  with screw coupling, a guide protrusion  241  move to an upper portion riding over an ascending guide protrusion  221   a  and ascends the button part  240 , thereby automatically leading contents to be sucked into an interior of the spuit pipe  210 . 
     Namely, by simple manipulation wherein rotating an outer cap  230  into one direction and combining the inner cap  220  to a coupling part  310 , it is possible to withdraw contents to the interior of the spuit pipe  210  for the next use. 
     As described above, embodiments have been disclosed in the drawings and the specification. Although specific terms have been used herein, these are only intended to describe various embodiments and are not intended to limit the meanings of the terms or to restrict the scope of the accompanying claims. Therefore, those skilled in the art will appreciate that various modifications and other equivalent embodiments are possible from the above embodiments.