Patent Publication Number: US-2022218003-A1

Title: Soda maker having convenient gas intake and discharge

Description:
CROSS-REFERENCE TO RELATED APPLICATION(S) 
     This application is a 371 International Patent Application No. PCT/CN2020/090845, filed on May 18, 2020, which claims the priority and benefit of Chinese patent application number 201921441761.5, filed Aug. 30, 2019 with China National Intellectual Property Administration, the entire contents of which are incorporated herein by reference. 
    
    
     TECHNICAL FIELD 
     The present invention relates to a soda maker. 
     BACKGROUND 
     At present, in the prior art, a soda maker comprises a main unit and an auxiliary unit. The main unit comprises a housing, a base, a carbon dioxide cylinder provided within the housing, and a gas intake main body provided at the top of the carbon dioxide cylinder. The auxiliary unit comprises an outer casing, an auxiliary unit main body, a water bottle coupler, a tapered ring, and a soda bottle. The auxiliary unit main body is provided with a gas discharge valve. The outer casing is connected with the housing. The gas intake main body is connected with the gas intake assembly on the auxiliary unit main body, and a gas rod connected with the gas intake assembly extends into the soda bottle. When discharging gas, the gas discharge valve is operated, and then the soda bottle is removed. The existing problem is that when the soda bottle is removed, the gas discharge step needs to be operated first, and the operation is inconvenient. 
     SUMMARY 
     The present Patent aims to provide a soda maker having convenient gas intake and discharge, which has the characteristics of convenient gas intake and discharge. 
     The present Patent is realized as follows: a soda maker having convenient gas intake and discharge, which comprises a main unit and an auxiliary unit, wherein the main unit comprises a housing, a base, a carbon dioxide cylinder provided within the housing, a gas intake main body provided at the top of the carbon dioxide cylinder, a gas intake support, a gas intake connecting rod, and a locking engagement member, the gas intake connecting rod is pivoted with the gas intake main body, the locking engagement member is pivoted with the gas intake support, the locking engagement member is engaged with the gas intake connecting rod; the auxiliary unit comprises an outer casing, an auxiliary unit main body, a water bottle coupler, a tapered ring, and a soda bottle, the auxiliary unit main body is provided with a gas discharge valve and a switch valve, the outer casing is connected with the housing, the gas intake main body is communicated with a gas intake assembly on the auxiliary unit main body, and a gas rod connected with the gas intake assembly extends into the soda bottle; wherein the housing is provided with an installation hole; 
     a connecting part is provided on the outer casing, two parallel pivoting plates are provided on the connecting part, and a half shaft and a positioning protrusion are provided on the pivoting plate; 
     the soda maker further comprises a pivoting base having a side opening and a top opening; 
     a half shaft hole, an operation positioning blind hole and a gas discharge positioning blind hole are provided on the side wall plate of the pivoting base; 
     the pivoting base is fixed within the housing, the pivoting plate passes through the installation hole, the half shaft is pivoted with the half shaft hole, during operation, the positioning protrusion is engaged with an operation positioning blind hole, an axis of the connecting part is parallel to a horizontal plane, the gas discharge valve is engaged with an end plate of the pivoting base, the switch valve is engaged with the locking engagement member, and the positioning protrusion is engaged with the gas discharge positioning blind hole. 
     According to the soda maker having convenient gas intake and discharge, the gas discharge valve comprises a gas discharge valve body, a gas discharge valve nut, a gas discharge valve rod, a gas discharge valve core and a pressure spring which are provided on the auxiliary unit main body, the closed end of the gas discharge valve body is provided with a valve core base and is connected with the cavity of the auxiliary unit main body, and the gas discharge valve body is provided with radial gas discharge holes; 
     the gas discharge valve rod comprises a driving rod part, a body part, a circular disc surrounding the body part and a stopper at the suspended end of the driving rod part; 
     the gas discharge nut comprises a cavity part, an internal thread part and a guide hole provided on the end plate; 
     the gas discharge valve core is provided at the end of the body part, the body part is in sliding fit with the gas discharge valve body, the circular disc is engaged with the end of the gas discharge valve body, the driving rod part extends through the pressure spring and the gas discharge nut, the circular disc is in sliding fit with the cavity part of the gas discharge nut, the pressure spring is in sliding fit with the circular disc and the end plate of the gas discharge nut, the driving rod part is in sliding fit with the guide hole; the driving rod part is embedded with a clamping groove on the end plate of the pivoting base, and the stopper is engaged with the end plate of the pivoting base; 
     during operation, the gas discharge valve core is embedded with the gas guide hole on the valve core base, the pressure spring is in an automatic state; 
     when discharging gas, the gas discharge valve core is separated from the gas guide hole on the valve core base, and the pressure spring is in a compressed state. 
     According to the soda maker having convenient gas intake and discharge, the operation positioning blind hole and the gas discharge positioning blind hole are communicated through an arc-shaped guide groove. 
     According to the soda maker having convenient gas intake and discharge, the connecting part is located in the installation hole, and there is a gap between the connecting part and the installation hole. 
     According to the soda maker having convenient gas intake and discharge, the switch valve comprises a switch valve body provided on the auxiliary unit main body, a switch valve core base provided in the switch valve body, a switch valve rod, a valve core, a pressure spring, a switch nut and a safety gas discharge device communicated with the switch valve body; 
     the switch valve rod comprises a head part and a rod part, and the switch nut comprises a cavity part, an external thread part and a valve rod hole; 
     the valve core is provided on the head of the switch valve rod, the valve core is engaged with the gas hole on the switch valve core base, the head is in sliding fit with the inner cavity of the switch valve body, the pressure spring is sleeved on the valve rod with one end engaged with the head of the switch valve rod and the other end engaged with the end plate of the cavity part of the switch nut, the switch valve rod extends out of the switch nut through the valve rod hole, and the switch valve rod is engaged with the locking engagement member. 
     According to the soda maker having convenient gas intake and discharge, the safety gas discharge device comprises a gas discharge cavity, a safety valve core base provided at the bottom of the gas discharge cavity, a pressure relief hole, a safety valve core, a valve rod, a pressure spring and a plug; 
     the safety valve core is provided on the head of the valve rod, the safety valve core is engaged with the safety valve core base, the plug is screwed with the internal thread part at the upper part of the gas discharge cavity, and the pressure spring is engaged with the head of the valve rod and the internal counterbore on the plug. 
     The present Patent relates to a soda maker having convenient gas intake and discharge. The structure of the present Patent enables the auxiliary unit to rotate by a specific angle and stop after an operation has ended, such that automatic gas discharge is achieved before a soda bottle removal step is performed, thereby providing operational convenience. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a perspective view of the present Patent. 
         FIG. 2  is a sectional view of the present Patent. 
         FIG. 3  is a view A-A of  FIG. 2 . 
         FIG. 4  is a view B-B of  FIG. 2 . 
         FIG. 5  is a first exploded perspective view of the present Patent. 
         FIG. 6  is a second exploded perspective view of the present Patent. 
         FIG. 7  is a third exploded perspective view of the present Patent. 
         FIG. 8  is a fourth exploded perspective view of the present Patent. 
         FIG. 9  is a partial perspective view of an auxiliary unit according to the present Patent. 
         FIG. 10  is a perspective view of a support main body according to the present Patent. 
         FIG. 11  is a first cross-sectional view of a support main body according to the present Patent. 
         FIG. 12  is a second cross-sectional view of a support main body according to the present Patent. 
     
    
    
     DETAILED DESCRIPTION OF THE EMBODIMENTS 
     The present Patent will be further described with reference to the attached drawings. 
     As shown in  FIG. 1 ,  FIG. 2  and  FIG. 3 , a soda maker having convenient gas intake and discharge comprises a main unit  1  and an auxiliary unit  2 . The main unit  1  comprises a housing  3 , a base  4 , a carbon dioxide cylinder provided within the housing, a gas intake main body  5  provided at the top of the carbon dioxide cylinder, a gas intake support  6 , a gas intake connecting rod  7 , and a locking engagement member  8 . The gas intake connecting rod  7  is pivoted with the gas intake main body  5 . The locking engagement member  8  is pivoted with the gas intake support  6 . The locking engagement member  8  is engaged with the gas intake connecting rod  7 . The auxiliary unit  2  comprises an outer casing  9 , an auxiliary unit main body  10 , a water bottle coupler  11 , a tapered ring  12 , and a soda bottle  13 . The tapered ring  12  is provided between the auxiliary unit main body  10  and the water bottle coupler  11 . The auxiliary unit main body  10  and the water bottle coupler  11  are fixedly connected together. The auxiliary unit main body  10  is provided with a gas discharge valve  14 , a switch valve  15 , and a safety valve  16 . The gas discharge valve  14 , the switch valve  15 , and the safety valve  16  are communicated with a cavity  10 A on the auxiliary unit main body  10 . The outer casing  9  is connected with the housing  3 . The gas intake main body  5  is communicated with a gas intake assembly  17  on the auxiliary unit main body  10 . A gas rod  18  connected with the gas intake assembly  17  extends into the soda bottle  13 . 
     The housing  3  is provided with an installation hole  31 . 
     A connecting part  91  is provided on the outer casing  9 , two parallel pivoting plates  92  are provided on the connecting part, and a half shaft  921  and a positioning protrusion  922  are provided on the pivoting plate. 
     The soda maker further comprises a pivoting base  19  having a side opening and a top opening. 
     A half shaft hole  191 , an operation positioning blind hole  192  and a gas discharge positioning blind hole  193  are provided on the side wall plate of the pivoting base  19 . 
     The pivoting base  19  is fixed within the housing  3 . The pivoting plate  92  passes through the installation hole  31 . The half shaft  921  is pivoted with the half shaft hole  191 . During operation, the positioning protrusion  922  is engaged with an operation positioning blind hole  192 . An axis of the connecting part  91  is parallel to a horizontal plane. The gas discharge valve  14  is engaged with an end plate of the pivoting base  19 . The switch valve  15  is engaged with the locking engagement member  8 . The positioning protrusion  922  is engaged with the gas discharge positioning blind hole  193 . 
     As shown in  FIG. 11 , the gas discharge valve  14  comprises a gas discharge valve body  141 , a gas discharge valve nut  142 , a gas discharge valve rod  143 , a gas discharge valve core  144  and a pressure spring  145  which are provided on the auxiliary unit main body. The closed end of the gas discharge valve body  141  is provided with a valve core base and is connected with the cavity  10 A of the auxiliary unit main body  10 . The gas discharge valve body  141  is provided with radial gas discharge holes  411 . 
     The gas discharge valve rod  143  comprises a driving rod part  1431 , a body part  1432 , a circular disc  1433  surrounding the body part and a stopper  1434  at the suspended end of the driving rod part. 
     The gas discharge nut  142  comprises a cavity part  1421 , an internal thread part and a guide hole provided on the end plate. 
     The gas discharge valve core  144  is provided at the end of the body part  1432 . The body part  1432  is in sliding fit with the gas discharge valve body  141 . The circular disc  1433  is engaged with the end of the gas discharge valve body  141 . The driving rod part  1431  extends through the pressure spring  145  and the gas discharge nut  142 . The circular disc  1433  is in sliding fit with the cavity part  1421  of the gas discharge nut  142 . The pressure spring  145  is in sliding fit with the circular disc  1433  and the end plate of the gas discharge nut  142 . The driving rod part  1431  is in sliding fit with the guide hole. The driving rod part  1431  is embedded with a clamping groove  194  on the end plate of the pivoting base  19 . The stopper  1434  is engaged with the end plate of the pivoting base  1434 . 
     During operation, the gas discharge valve core  144  is embedded with the gas guide hole on the valve core base. The pressure spring  145  is in an automatic state. 
     When discharging gas, the gas discharge valve core  144  is separated from the gas guide hole on the valve core base, and the pressure spring  145  is in a compressed state. 
     The operation positioning blind hole  192  and the gas discharge positioning blind hole  193  are communicated through an arc-shaped guide groove. 
     The connecting part  91  is located in the installation hole  31 , and there is a gap between the connecting part  91  and the installation hole  31 . 
     The switch valve  15  comprises a switch valve body  151  provided on the auxiliary unit main body  10 , a switch valve core base  152  provided in the switch valve body, a switch valve rod  153 , a valve core  154 , a pressure spring  155 , a switch nut  156  and a safety gas discharge device  157  communicated with the switch valve body. 
     The switch valve rod  153  comprises a head part and a rod part, and the switch nut  156  comprises a cavity part, an external thread part and a valve rod hole. 
     The valve core  154  is provided on the head of the switch valve rod  153 . The valve core  154  is engaged with the gas hole on the switch valve core base  152 . The head of the switch valve core base  152  is in sliding fit with the inner cavity of the switch valve body  151 . The pressure spring  155  is sleeved on the valve rod with one end engaged with the head of the switch valve rod  153  and the other end engaged with the end plate of the cavity part of the switch nut  156 . The switch valve rod  153  extends out of the switch nut  156  through the valve rod hole. The switch valve rod  153  is engaged with the locking engagement member. 
     The safety gas discharge device  157  comprises a gas discharge cavity  1571 , a safety valve core base  1572  provided at the bottom of the gas discharge cavity, a pressure relief hole  1573 , a safety valve core  1574 , a valve rod  1575 , a pressure spring and a plug  1576 . 
     The safety valve core  1574  is provided on the head of the valve rod  1575 . The safety valve core  1574  is engaged with the safety valve core base  1572 . The plug  1576  is screwed with the internal thread part at the upper part of the gas discharge cavity  1571 . The pressure spring is engaged with the head of the valve rod  1575  and the internal counterbore on the plug  1576 . 
     According to the present Patent, during operation, in the state shown in  FIGS. 1 and 3 , the button  1 A on the main unit  1  is pressed down, the gas intake connecting rod  7  rotates, the gas intake connecting rod  7  is locked with the locking engagement member  8 , and the switch valve rod  153  of the switch valve  15  abuts against the lower end of the locking engagement member  8 . The gas in the carbon dioxide cylinder extends into the soda bottle  13  through the gas intake main body  5 , the gas intake assembly  17  on the auxiliary unit main body  10  and the gas rod  18 . 
     When the set pressure is reached in the soda bottle  13 , the switch valve rod  153  of the switch valve  15  moves and acts on the lower end of the locking engagement member  8 . The locking engagement member  8  is separated from the gas intake connecting rod  7 . The gas intake connecting rod  7  is reset, thus cutting off the gas path. [ 00058 ]In the state shown in  FIG. 1  and  FIG. 3 , the auxiliary unit  2  rotates clockwise, and the gas discharge valve rod  143  is stationary relative to the main unit  1 . The gas discharge valve rod  143  compresses the pressure spring  145 , and the gas discharge valve core  144  leaves the valve core base and discharges gas. Then the soda bottle  13  is removed for drinking. The auxiliary unit  2  is reset, and the gas discharge valve core  144  is attached to the valve core base. 
     The above is only the preferred embodiment of the present Patent. It should be pointed out that several improvements and modifications can be made without departing from the principle of the present Patent for those skilled in the art, which is also regarded as the scope of protection of the present Patent.