CN217972586U - A distributor - Google Patents

Abstract

The utility model provides a distributor belongs to the wine equipment for drinking technical field. It has solved the comparatively troublesome problem of operation of current distributor dismouting change apical lamella. This distributor, including the valve body, ejector core and handle, the inlet port has been seted up on the valve body, the inner of inlet port runs through to the inner cavity lateral wall of valve body on, be equipped with the gas circuit core in the inlet port and make the gas circuit core act on the elastic component of valve body and shutoff inlet port to the inner direction of inlet port, the inner of gas circuit core has the work portion that can follow the inner drill way protrusion in the valve body inner cavity lateral wall of inlet port when the shutoff inlet port, the ejector core surface has concave-convex structure, and concave-convex structure can push away the work portion and make the inlet port switch on when the ejector core is impressed the valve body inner chamber downwards. The top core of the distributor is more convenient to disassemble, assemble and replace.

Description

A distributor

Technical Field

The utility model belongs to the technical field of equipment is drunk to the drinks, a distributor is related to.

Background

The distributor is a device which is connected to the top of the beer barrel and is matched with a beer lance in the beer barrel to lead out the beer in the beer barrel. Operating personnel pulls the handle on the distributor, can drive the wine pipe in the distributor and do flexible removal, can push up the case on the wine lance downwards when the wine pipe moves down for the wine way is opened, and outside air supply also can communicate with the cask simultaneously, makes in gaseous getting into the cask through distributor and wine lance in proper order, thereby extrudes the wine in the cask.

The traditional wine outlet valve of beer barrel as disclosed in patent document (application number: 201310513342.9), that is, the distributor, includes a valve body, a wine guide tube and a handle, the valve body has a through guide hole in the center, the side of the valve body has an air inlet tube communicated with the guide hole, the wine guide tube is also called a top core, and is located at the guide hole and hermetically connected with the valve body, an air outlet capable of communicating with the interior of the beer barrel is formed between the bottom of the valve body and the wine guide tube, the handle is hinged on the valve body and is connected with the wine guide tube, the side of the wine guide tube has an air inlet structure, the handle of the wine outlet valve is hinged on the valve body, and a raised head on the handle is always clamped in a groove of the wine guide tube to realize the linkage of the two, so that the wine guide tube is difficult to detach from the valve body, unless the handle is detached, the wine outlet valve is usually used as a non-detachable whole body, the whole body is washed after use, but the whole body is washed with the improvement of food safety requirements, and the whole washing is troublesome, therefore, the distributor with the wine guide tube being directly replaceable after use.

For example, the patent document (application number: 201880051409.2) discloses a dispensing system for dispensing a beverage, which includes a one-way dispensing line and a dispensing head, wherein the one-way dispensing line includes a flexible tube and a connection unit, the connection unit is inserted into the dispensing head during assembly, the connection unit can be pressed downwards into the dispensing head by pulling an actuating handle, the lower end of the connection unit can be pushed downwards to open a valve, a wine path is opened, then a gas stop element at a gas inlet is manually operated to open a gas path, a gas source presses gas into a barrel body through the gas path, so as to press wine in the barrel body, the gas stop element is manually closed in advance during disassembly, if the gas source leaks to cause waste when the connection unit is disassembled from the wine barrel by pulling the actuating handle, and then the dispensing system is disassembled by pulling the actuating handle, so that the connecting unit is required to be manually operated in addition during disassembly and assembly of the connection unit, which causes troublesome disassembly and assembly of the connection unit.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a distributor for solve the comparatively trouble problem of operation that the apical core was changed in the current distributor dismouting.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a distributor, includes valve body, columnar top core and can push the handle of top core follow the upper end of valve body inner chamber into downwards, the inlet port has been seted up on the valve body, its characterized in that, the inner of inlet port runs through to the inner chamber lateral wall of valve body on, is equipped with the gas circuit core in the inlet port and makes the gas circuit core act on the elastic component of valve body and shutoff inlet port to the inner direction of inlet port, the inner of gas circuit core has the work portion that can follow the inner drill way protrusion of inlet port in valve body inner chamber lateral wall when the shutoff inlet port, top core surface has concave-convex structure, and concave-convex structure can push the work portion and make the inlet port switch on when the top core pushes the valve body inner chamber downwards.

The top core is pressed into the inner cavity of the valve body downwards from the upper end of the valve body by the handle, so that the top core can be also pulled out from the upper end of the valve body after the top core is released by the handle, the top core can be disassembled and replaced, the outer end of an air inlet hole in the valve body is connected with air sources such as a high-pressure air bottle through an air pipe, an air path core is arranged in the air inlet hole, the air path core is abutted against the valve body under the action of an elastic piece and blocks the air inlet hole before the top core is assembled, air leakage of the air bottle is avoided, and therefore the operation of closing the air bottle valve is not needed. When the jacking core is assembled, the valve body is buckled on a wine spear of a wine barrel, the jacking core is columnar, the valve body is vertically inserted from the upper end of the valve body, the handle is pulled and the jacking core is pressed downwards, at the moment, the plugging is realized under the elastic force action of the elastic piece towards the inner end direction of the air inlet hole, and the working part on the air channel core protrudes out of the inner cavity side wall of the valve body, so that the concave-convex structure can push the working part protruding out of the inner cavity side wall of the valve body in the downward moving process of the jacking core, the air channel core compresses the elastic piece to open the air inlet hole, meanwhile, the lower end of the jacking core can press the valve core of the wine spear to open the wine channel, namely, the two functions of opening the air inlet hole and opening the wine channel by pulling the working part of the jacking air channel core through the further operation of the handle are realized simultaneously, and the two functions are realized synchronously. When the ejector core needs to be disassembled and replaced, the handle is pulled to release the ejector core, the valve core of the wine spear loses the jacking pressure of the lower end of the ejector core and is gradually closed in the process of upwards pulling out the ejector core, the concave-convex structure on the ejector core is separated from the working part, and the air inlet hole is sealed and blocked by the air channel core under the action of the elastic piece. Therefore, the wine path and the air inlet can be synchronously opened only by one-step pulling of the handle when the top core is assembled by the distributor, the air inlet is opened by operating the stop valve after the assembly, meanwhile, the wine path and the air inlet can be synchronously closed only by one-step pulling of the handle when the top core is disassembled, the stop valve does not need to be closed firstly, and therefore the top core is more convenient to disassemble, assemble and replace.

In the above distributor, the concave-convex structure includes a pushing part protruding radially on the peripheral wall of the pushing core, and when the pushing core is pressed downwards into the inner cavity of the valve body, the pushing part can push the working part to enable the air inlet to be communicated. The top pushes away the portion protrusion in top core periphery wall, consequently forms a protruding concave structure between the two, when the top core just inserted the valve body inner chamber, protrusion in the working part of valve body cavity lateral wall or have the clearance with top core periphery wall, or only contact to top core periphery wall, but the gas circuit core is not pushed away, can push away the working part when pushing away the portion and acting on the working part up to for the inlet port is opened. And as the another mode of concave-convex structure, can make top core external diameter and valve body inner chamber internal diameter be close, make top core periphery wall and valve body inner chamber inner wall laminating, set up a recess of stepping down that the lower extreme runs through along the axial on top core periphery wall, should step down and form a concave-convex structure between recess and the top core periphery wall, when the top core just inserted the valve body inner chamber, the work site that protrudes in valve body inner chamber lateral wall is located the recess of stepping down, the gas circuit core can not be pushed away, can push away the work site when acting on the work site until the upper end cell wall of the recess of stepping down, make the inlet port open.

In the distributor, the pushing part is arranged along the circumferential direction, the lower end of the pushing part is provided with a pushing conical surface which is arranged along the circumferential direction and has a downward small end, and when the top core is pressed downwards into the inner cavity of the valve body, the pushing conical surface can push the working part to enable the air inlet to be communicated. The gas circuit core is gradually pushed by pushing the conical surface to push the working part, so that the operation is smoother and labor-saving, the pushing conical surface is circumferentially surrounded, the pushing core only needs to be inserted into the valve body, the circumferential angle of the pushing core does not need to be adjusted to align with the working part, and the operation is more convenient.

In the above distributor, the outer peripheral surface of the pushing portion is a cylindrical surface, an annular sealing groove is formed in the circumferential direction of the inner cavity side wall of the valve body, a rubber ring is arranged in the sealing groove and located above an inner end orifice of the air inlet hole, when the pushing core is pressed downwards into the inner cavity of the valve body, the outer peripheral surface of the pushing portion is in sliding fit with the inner cavity side wall of the valve body, and the outer peripheral surface of the pushing portion is tightly pressed with the rubber ring. After the top core is impressed the valve body, the rubber circle is compressed tightly between top push portion outer peripheral face and valve body, seal between the two, thereby avoid gaseous upwards leaking between valve body and the top core, work portion roof pressure is all the time on the outer peripheral face of top push portion after the top core is assembled simultaneously, lead to top core side direction atress, and through the cooperation of top push portion outer peripheral face and lamp body inner chamber lateral wall, can radially spacing to the top core, avoid the top core to appear shifting and influence the leakproofness of wine way and gas way.

In the distributor, the lower edge of the inner cavity side wall of the valve body is circumferentially provided with a abdicating conical surface with a downward large end, and the inner end of the air inlet hole penetrates through the lower part of the inner cavity side wall of the valve body and the abdicating conical surface. In order to radially limit the top core, the peripheral surface of the pushing part is attached to the side wall of the inner cavity of the valve body, so that the peripheral surface of the pushing part can possibly block an orifice of the air inlet hole penetrating through the side wall of the inner cavity of the valve body after the top core is pressed down, an avoiding conical surface is arranged on the lower edge of the side wall of the inner cavity of the valve body, the inner end of the air inlet hole penetrates through the avoiding conical surface, a gap exists between the avoiding conical surface and the peripheral surface of the pushing part, and the orifice of the inner end of the air inlet hole is prevented from being blocked.

In the distributor, a sealing convex edge is arranged at the inner end orifice of the air inlet hole in the circumferential direction, a sealing conical surface is arranged on the sealing convex edge in the circumferential direction, the air channel core is columnar, the working part is positioned at the inner end part of the air channel core, a sealing ring is sleeved on the air channel core, and the sealing ring can abut against the sealing conical surface to seal the air inlet hole under the action of the elastic part. This structure makes the gas circuit core except receiving the effort of elastic component, still can receive the effect of trachea internal gas pressure, and then makes sealing stability better, and the sealing washer breaks away from sealed conical surface when top pushes away the portion top and pushes away the work portion, and the inlet port is opened.

In the distributor, the working part is hemispherical, the outer diameter of the working part is larger than that of the air passage core, and when the sealing ring abuts against the sealing conical surface, the spherical surface of the working part protrudes out of the inner cavity side wall of the valve body. The pushing conical surface of the pushing part pushes the spherical surface of the working part, so that sliding friction between the two parts is small, and the operation is smoother and labor-saving.

In foretell distributor, circumference has the guide part on the gas circuit core outer wall, guide part periphery wall and inlet port pore wall sliding fit, above-mentioned sealing washer are located between guide part and the work portion, the spiro union has the stop collar in the inlet port, and circumference has the spacing ring on this stop collar inner wall, the elastic component is coil spring, and the one end cover of elastic component is established on the gas circuit core and is leaned on with the guide part, and the other end stretches into the stop collar and leans on with the spacing ring counterbalance. Because the pushing force of the pushing cone on the working part is lateral stress, the outer peripheral surface of the guide part is in sliding fit with the hole wall of the air inlet hole, so that the guide is provided for the movement of the air path core, the air path core is prevented from being inclined, and the sealing performance of the sealing ring and the sealing cone surface during abutting is ensured.

In the above distributor, the air inlet holes are obliquely arranged, and the inner ends of the air inlet holes are lower than the outer ends. Make the inner of inlet port be located the lower part of valve body, be close to the air inlet of wine lance more, the setting that has more spaces to be used for sealed isotructure also in the top of inlet port the inner, guarantees the whole sealed effect of gas circuit.

In the distributor, the lower end of the valve body is provided with an annular buckling part, an annular sealing gasket is circumferentially fixed on the inner peripheral wall of the buckling part, a closed conical surface with a downward small end is circumferentially arranged on the outer peripheral wall of the lower end of the top core, the closed conical surface is positioned below the pushing conical surface, when the top core is pressed into the inner cavity of the valve body downwards, the closed conical surface is pressed on the sealing gasket, and the working part is abutted against the outer peripheral surface of the pushing part. When the valve body is buckled on the wine lance of the wine barrel through the buckling part, the sealing gasket is downwards attached to the upper end face of the wine lance, and when the ejection core downwards ejects the valve core of the wine lance, the sealing conical surface is pressed on the sealing gasket, so that the gas leakage between the valve body and the wine lance is avoided when the ejection conical surface ejects the working part.

Compared with the prior art, the distributor has the following advantages:

1. because the work portion protrusion on the gas circuit core is in the inner chamber lateral wall of valve body, consequently the ejector pin can push up the work portion to the in-process that moves down, make the gas circuit core compress the elastic component and open the inlet port, the lower extreme of ejector pin can push down the case of wine lance and open the wine way simultaneously, and also can realize closing of inlet port and wine way simultaneously when dismantling the ejector pin, realize opening and close two functions of opening and close of inlet port and wine way simultaneously through one step of operation promptly, consequently the dismouting of ejector pin is changed more conveniently.

2. Because the jacking core can push the air channel core through the jacking conical surface in the process of pressing the jacking core into the valve body, and meanwhile, the valve core of the wine lance is jacked through the lower end, so that the opening and closing synchronism of the wine channel and the air inlet hole can be ensured.

3. Because the peripheral surface of the pushing part is attached to the side wall of the inner cavity of the valve body, the peripheral surface of the pushing part can possibly block the hole opening of the air inlet hole penetrating to the side wall of the inner cavity of the valve body after the pushing core is pressed down, therefore, the lower edge of the side wall of the inner cavity of the valve body is provided with the avoiding conical surface, the inner end of the air inlet hole penetrates to the avoiding conical surface, the avoiding conical surface and the peripheral surface of the pushing part avoid a gap, and the hole opening of the inner end of the air inlet hole is prevented from being blocked.

Drawings

Fig. 1 is a schematic perspective view of a dispenser.

Fig. 2 is a sectional view of the dispenser with the top core not fully pressed into the valve body.

Fig. 3 is an enlarged view of the structure at a in fig. 2.

FIG. 4 is a top view of the valve body in cooperation with the air passage core.

Fig. 5 is a sectional view of the dispenser with the top core fully pressed into the valve body.

Fig. 6 is an enlarged view of the structure at B in fig. 5.

Fig. 7 is a perspective view of the core.

Fig. 8 is a schematic perspective view of the valve body and the air passage core when they are fitted.

Fig. 9 is an enlarged view of the structure at C in fig. 8.

In the figure, 1, a valve body; 11. a pipe receiving part; 111. a joint; 12. an air intake; 13. a sealing groove; 14. a rubber ring; 15. a abdication conical surface; 16. sealing the convex edge; 161. sealing the conical surface; 17. a buckling part; 171. connecting the convex edges; 172. a gasket; 173. buckling and flanging; 18. a step surface; 19. a locking portion; 191. a bayonet; 2. a core; 21. a pushing part; 211. pushing the conical surface; 22. sealing the conical surface; 23. wine outlet holes; 24. a wine outlet hose; 25. an abutting portion; 3. a handle; 31. a pressing seat; 32. a lock pin; 4. a gas circuit core; 41. a working part; 411. a gas passing groove; 42. a guide portion; 43. a seal ring; 5. an elastic member; 6. a limiting sleeve; 61. a limiting ring; 7. a butterfly spring; 8. and (4) releasing the valve.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the distributor comprises a valve body 1 and a top core 2, wherein the valve body 1 is cylindrical, the upper end and the lower end of the valve body 1 are both open, and the lower end of the valve body 1 is provided with an annular buckling part 17 for buckling on a wine lance of a wine barrel to realize connection. Referring to fig. 2, 3 and 4, a tubular connection pipe 11 is arranged on the outer side wall of the valve body 1, an inner hole of the connection pipe 11 is an air inlet hole 12, a pressure release valve 8 is arranged on the connection pipe 11, a joint 111 for connecting an air pipe is arranged at an outer end orifice of the air inlet hole 12, the inner end of the air inlet hole 12 penetrates through the inner cavity side wall of the valve body 1, an air path core 4 and an elastic piece 5 are arranged in the air inlet hole 12, the elastic piece 5 can generate an elastic force towards the inner end of the air inlet hole 12 on the air path core 4, the air path core 4 acts on the valve body 1 towards the inner end of the air inlet hole 12 under the action of the elastic force and seals the air inlet hole 12, a working part 41 is arranged at the inner end of the air path core 4, and when the air path core 4 seals the air inlet hole 12, the working part 41 protrudes out of the inner end orifice of the air inlet hole 12 from the inner cavity side wall of the valve body 1. The side wall of the inner cavity of the valve body 1 is a cylindrical surface, the upper part of the side wall of the inner cavity of the valve body 1 is concave to form a step surface 18, and a plurality of groups of butterfly springs 7 are stacked on the step surface 18. One side at valve body 1 upper end border articulates there is handle 3, valve body 1 opposite side has upwards bellied sticking department 19, bayonet socket 191 has been seted up on the outer wall of sticking department 19, convex seat 31 of pressing has on handle 3, can make valve body 1 upper end port open when handle 3 upwards swings, install lockpin 32 on handle 3, can swing the top to valve body 1 upper end port and overlap on sticking department 19 when handle 3 swings down, and lockpin 32 can insert bayonet socket 191 and lock handle 3, press the seat 31 to be located valve body 1 upper end port and set up downwards this moment. Combine fig. 5, fig. 6 shows, the apical core 2 is the column and adopts plastics to make, reduce the replacement cost, wine outlet 23 has been seted up along the axial in the apical core 2, the upper end of apical core 2 is connected with the play wine hose 24 with wine outlet 23 intercommunication, push up and have on the top outer peripheral wall and lean on portion 25, be vertical state and insert in the valve body 1 by valve body 1 upper end port with apical core 2, pull handle 3, press the seat 31 and can lean on the upper end terminal surface of apical core 2 and press down apical core 2, under the effect of handle 3, the apical core 2 can the 1 inner chamber of valve body of impressing downwards, make on the apical core 2 support to compress the spring butterfly 7 downwards by portion 25. The outer peripheral wall of the top core 2 is also provided with a pushing part 21 protruding along the radial direction, the pushing part 21 can push the working part 41 in the process that the top core 2 is pressed downwards into the inner cavity of the valve body 1, and the air passage core 4 compresses the elastic piece 5 to move, so that the air inlet 12 is communicated.

Specifically, as shown in fig. 7, the pushing portion 21 is circumferentially arranged, the outer circumferential surface of the pushing portion 21 is a cylindrical surface, the lower end of the pushing portion 21 is provided with a pushing conical surface 211 which is circumferentially arranged and the small end of which is downward, and when the top core 2 is pressed downward into the inner cavity of the valve body 1, the pushing conical surface 211 can push the working portion 41 to conduct the air inlet 12. Annular seal groove 13 has been seted up to the inner chamber lateral wall circumference of valve body 1, is equipped with rubber circle 14 in the seal groove 13, and this rubber circle 14 is located the top of 12 inner end orifices of inlet port, and when top core 2 pushed down into the inner chamber of valve body 1, top portion 21 outer peripheral face and 1 inner chamber lateral wall sliding fit of valve body, and top portion 21 outer peripheral face and rubber circle 14 compress tightly, seal between the two, avoid gaseous upwards leaking from between valve body 1 and the top core 2. The lower edge of the inner cavity side wall of the valve body 1 is circumferentially provided with a abdicating conical surface 15 with the big end facing downwards, the inner end of the air inlet hole 12 penetrates through the lower part of the inner cavity side wall of the valve body 1 and the abdicating conical surface 15, a gap exists between the abdicating conical surface 15 and the outer peripheral surface of the pushing part 21, and the inner end orifice of the air inlet hole 12 is prevented from being blocked by the outer peripheral surface of the pushing part 21. The lower end of the valve body 1 is provided with an annular buckling part 17, the inner diameter of the buckling part 17 is larger than that of the inner cavity of the valve body 1, the inner wall of the buckling part 17 is circumferentially provided with a connecting convex edge 171, the connecting convex edge 171 is clamped with an annular sealing gasket 172, and the lower edge of the buckling part 17 is provided with a semi-annular buckling flange 173. The circumference has tip sealing conical surface 22 down on the lower extreme periphery wall of apical core 2, and this sealing conical surface 22 is located the below of pushing away conical surface 211, seals up the pad 172 and leans on the wine lance up end when lock joint turn-ups 173 detain on the wine lance of cask, seals up conical surface 22 and compresses tightly on sealed pad 172 when apical core 2 pushes down the valve body 1 inner chamber, and the work portion 41 supports and leans on the portion 21 outer peripheral face that pushes away for inlet port 12 is in the conducting state.

The outer end of the pipe receiving portion 11 is inclined upward so that the air intake holes 12 therein are in an inclined state, and the inner ends of the air intake holes 12 are lower than the outer end. The inner end opening of the air inlet hole 12 is circumferentially provided with a sealing convex edge 16, and the end surface of the sealing convex edge 16 facing the outer end of the air inlet hole 12 is a circumferentially arranged sealing conical surface 161. Referring to fig. 8 and fig. 9, the air passage core 4 is columnar, the working portion 41 is located at the inner end of the air passage core 4, the working portion 41 is hemispherical, the outer diameter of the working portion 41 is greater than the outer diameter of the air passage core 4, a plurality of air passing grooves 411 are formed in the spherical surface of the working portion 41, the plurality of air passing grooves 411 are uniformly distributed along the circumferential direction, the air passing grooves 411 axially penetrate through the outer wall of the air passage core 4, a guide portion 42 is formed in the circumferential direction of the outer wall of the air passage core 4, the outer circumferential wall of the guide portion 42 is in sliding fit with the hole wall of the air inlet hole 12, a sealing ring 43 is sleeved on the air passage core 4, the sealing ring 43 is located between the guide portion 42 and the working portion 41, and the outer diameter of the sealing ring 43 is greater than the outer diameter of the working portion 41. The air inlet hole 12 is internally threaded with a limiting sleeve 6, a limiting ring 61 is circumferentially arranged on the inner wall of the limiting sleeve 6, the elastic piece 5 is a spiral spring, one end of the elastic piece 5 is sleeved on the air path core 4 and abuts against the guide part 42, the other end of the elastic piece extends into the limiting sleeve 6 and abuts against the limiting ring 61, the pre-tightening force of the spiral spring on the air path core 4 can be adjusted by rotating the limiting sleeve 6, the sealing ring 43 can abut against the sealing conical surface 161 to block the air inlet hole 12 under the action of the spiral spring, and the spherical surface of the working part 41 protrudes out of the inner cavity side wall of the valve body 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms valve body 1, nipple 11, fitting 111, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims (10)

1. The utility model provides a distributor, includes valve body (1), columnar top core (2) and can push up core (2) handle (3) of valve body (1) inner chamber from the upper end of valve body (1) downwards, seted up inlet port (12) on valve body (1), its characterized in that, the inner of inlet port (12) runs through to the inner chamber lateral wall of valve body (1), is equipped with gas circuit core (4) and makes gas circuit core (4) act on elastic component (5) of valve body (1) and shutoff inlet port (12) to inlet port (12) inner direction in inlet port (12), the inner of gas circuit core (4) has can follow the work portion (41) of inlet port (12) inner port protrusion in valve body (1) inner chamber lateral wall when plugging up inlet port (12), top core (2) surface has concave-convex structure, and concave-convex structure can push up work portion (41) and make inlet port (12) switch on when top core (2) the inner chamber of valve body (1) is pushed down.

2. The dispenser according to claim 1, wherein the concave-convex structure comprises an ejecting part (21) which is radially protruded on the peripheral wall of the top core (2), and when the top core (2) is pressed downwards into the inner cavity of the valve body (1), the ejecting part (21) can eject the working part (41) to conduct the air inlet hole (12).

3. The dispenser according to claim 2, wherein the pushing portion (21) is arranged along a circumferential direction, a pushing conical surface (211) which is arranged along the circumferential direction and has a downward small end is arranged at the lower end of the pushing portion (21), and when the top core (2) is pressed downwards into the inner cavity of the valve body (1), the pushing conical surface (211) can push the working portion (41) to conduct the air inlet (12).

4. The dispenser according to claim 3, wherein the outer peripheral surface of the pushing portion (21) is a cylindrical surface, an annular sealing groove (13) is formed in the circumferential direction of the inner cavity side wall of the valve body (1), a rubber ring (14) is arranged in the sealing groove (13), the rubber ring (14) is located above an inner end hole of the air inlet hole (12), when the pushing core (2) is pressed downwards into the inner cavity of the valve body (1), the outer peripheral surface of the pushing portion (21) is in sliding fit with the inner cavity side wall of the valve body (1), and the outer peripheral surface of the pushing portion (21) is tightly pressed against the rubber ring (14).

5. The distributor according to any one of claims 1 to 4, wherein the lower edge of the inner cavity side wall of the valve body (1) is circumferentially provided with a abdicating conical surface (15) with a large end facing downwards, and the inner end of the air inlet hole (12) penetrates through the lower part of the inner cavity side wall of the valve body (1) and the abdicating conical surface (15).

6. The distributor according to any one of claims 1 to 4, wherein a sealing convex edge (16) is circumferentially arranged at an inner end opening of the air inlet hole (12), a sealing conical surface (161) is circumferentially arranged on the sealing convex edge (16), the air channel core (4) is columnar, the working part (41) is positioned at the inner end part of the air channel core (4), a sealing ring (43) is sleeved on the air channel core (4), and the sealing ring (43) can abut against the sealing conical surface (161) to block the air inlet hole (12) under the action of the elastic piece (5).

7. The dispenser according to claim 6, wherein the working portion (41) is hemispherical, and the outer diameter of the working portion (41) is larger than the outer diameter of the air passage core (4), and the spherical surface of the working portion (41) protrudes from the inner cavity side wall of the valve body (1) when the sealing ring (43) abuts against the sealing conical surface (161).

8. The dispenser according to claim 7, wherein the outer wall of the air passage core (4) is circumferentially provided with a guide portion (42), the outer circumferential wall of the guide portion (42) is in sliding fit with the hole wall of the air inlet hole (12), the sealing ring (43) is located between the guide portion (42) and the working portion (41), the air inlet hole (12) is internally threaded with a limiting sleeve (6), the inner wall of the limiting sleeve (6) is circumferentially provided with a limiting ring (61), the elastic member (5) is a spiral spring, one end of the elastic member (5) is sleeved on the air passage core (4) and abuts against the guide portion (42), and the other end of the elastic member extends into the limiting sleeve (6) and abuts against the limiting ring (61).

9. Dispenser according to any one of claims 1-4, characterised in that the inlet apertures (12) are arranged obliquely, with the inner ends of the inlet apertures (12) being lower than the outer ends.

10. The dispenser according to claim 3 or 4, wherein the lower end of the valve body (1) is provided with an annular buckling part (17), an annular sealing gasket (172) is circumferentially fixed on the inner peripheral wall of the buckling part (17), the outer peripheral wall of the lower end of the top core (2) is circumferentially provided with a sealing conical surface (22) with a downward small end, the sealing conical surface (22) is positioned below the pushing conical surface (211), when the top core (2) is pressed downwards into the inner cavity of the valve body (1), the sealing conical surface (22) is pressed on the sealing gasket (172), and the working part (41) abuts against the outer peripheral surface of the pushing part (21).

Images