CN220248985U

CN220248985U - Air charging valve for air tank

Info

Publication number: CN220248985U
Application number: CN202321852565.3U
Authority: CN
Inventors: 施刘
Original assignee: Ningbo Datong Henry Machinery Manufacturing Co ltd
Current assignee: Ningbo Datong Henry Machinery Manufacturing Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2023-12-26
Anticipated expiration: 2033-07-13

Abstract

The application relates to a gas tank inflation valve, which belongs to the technical field of inflation devices. The novel air tap comprises a main body and an air tap arranged on the main body, wherein the air tap comprises an outer tap and an inner tap, the outer tap is arranged on the main body, an installation hole for sliding installation of the inner tap is coaxially formed in the outer tap, a first limiting surface is arranged in the installation hole, the inner tap is provided with a second limiting surface matched with the first limiting surface, the second limiting surface is abutted to the first limiting surface, one end of the inner tap is located outside an opening of the main body and is provided with an air outlet end, the air outlet end is provided with an air outlet hole, the inner tap is provided with a flow channel at one end far away from the air outlet end, the air outlet hole is communicated with the flow channel, and a sealing ring is sleeved on the outer tap. The utility model has the effect of automatic stopping inflation after inflation is completed.

Description

Air charging valve for air tank

Technical Field

The application relates to the field of inflation devices, in particular to an inflation valve of a gas tank.

Background

Filling is a process of injecting solid, liquid and gas materials into a tank body, and automatic filling is continuous and automatic for inputting materials into the tank body.

The inflation of a gas tank is a common type of filling and is usually carried out by means of an air-filling device. The existing air filling device is generally composed of a clamping assembly and an air filling valve, the air filling valve comprises a structure for controlling opening and closing and an air nozzle, when the tank body is inflated, the tank body is usually clamped and fixed through the clamping assembly, then the driving mechanism drives the air filling valve to move downwards, the air nozzle of the air filling valve is inserted into an injection part of the tank body, then the air filling valve is controlled to be opened, and air is filled into the tank body through the air nozzle. The prior air tap is generally a stepped column as shown in the attached figure 1, an air passage 51 is formed in the air tap, an air outlet 52 is formed in the side wall of one end with a smaller air tap diameter, a sealing ring 53 is sleeved on the other end with a smaller air tap directly, a check valve core on the air tank is jacked up through the smaller end of the air tap during filling, one end with a larger air tap diameter extrudes the sealing ring 53 to be abutted against an opening on the air tank, air is injected through the air outlet 52 on the air tap, and a sealing state is maintained through the sealing ring 53.

When the air tap is inflated, if the inflation time is too long, the air tank is filled up to continue inflation, and a large amount of air is easily leaked out under the condition of larger atmospheric pressure.

Disclosure of Invention

In order to complete the inflation of the air faucet after the air faucet is inflated, the application provides an inflation valve of the air faucet.

The application provides a gas pitcher inflation valve adopts following technical scheme:

the utility model provides a gas pitcher inflation valve, includes the main part and installs the air cock in the main part, the air cock includes outer mouth and inner nozzle, outer mouth install in the main part, outer mouth coaxial offer the confession the mounting hole of inner nozzle slip installation, be provided with first spacing face in the mounting hole, the inner nozzle be equipped with first spacing face complex second spacing face, second spacing face butt when first spacing face, inner nozzle one end is located the mounting hole is kept away from outside the opening of main part and is established to the end of giving vent to anger, the venthole has been seted up to the end of giving vent to anger, the one end that the end was kept away from to the inner nozzle has been seted up the flow channel, the venthole with the flow channel intercommunication, the cover is equipped with the sealing washer on the outer mouth.

Through adopting above-mentioned technical scheme, through dividing into outer mouth and interior mouth two parts with the air cock, the interior mouth is installed in outer mouth inside, when inflating the gas pitcher, the case of gas pitcher is pushed away through the convex end of giving vent to anger of interior mouth, under the effect of atmospheric pressure, the interior mouth keeps pushing away the state of the case on the gas pitcher and continuously inflates in the gas pitcher, when the gas pitcher is gaseous when corresponding degree of inflating, the atmospheric pressure in the gas pitcher drives the case and resets, and then drive interior mouth slip into outer mouth, automatically, realize the closure of gas pitcher and air cock, thereby can accomplish the interception of certain degree voluntarily after inflating, at last the start and stop of rethread inflation valve itself is thoroughly no longer inflated, the sealing washer of suit on the outer mouth is lower to the time accuracy requirement, be used for guaranteeing the leakproofness when the air cock is inflated to the gas pitcher.

Optionally, the outer nozzle is provided with a sealing groove, and the sealing ring is embedded in the sealing groove.

By adopting the technical scheme, the sealing groove is formed, so that the sealing ring is more stable to install, and the sealing ring is not easy to fall off by itself.

Optionally, the orifice of the air outlet hole is obliquely arranged in a direction away from the outer nozzle.

Through adopting above-mentioned technical scheme, the venthole slope is offered for the air current of outflow is strikeed the gas pitcher direction, reduces the air current of the upper seal ring position of external mouth and strikeed, better guarantee the leakproofness when aerifing.

Optionally, the number of the air outlets is at least two, and the air outlets are arranged around the circumference of the inner nozzle at equal angular intervals.

Through adopting above-mentioned technical scheme, a plurality of and evenly seting up around inner nozzle circumference are offered to the inlet port, improve the inflated efficiency, shunt the air current, and it is better to aerify the effect.

Optionally, the main part includes interior main part and outer main part, interior main part with outer mouth lug connection, the outer wall of outer mouth is provided with the spacing ring, outer main part cover is located outside the interior main part, outer main part has seted up the perforation that supplies outer mouth to pass, the fenestrate aperture is less than the external diameter of spacing ring.

Through adopting above-mentioned technical scheme, carry out spacingly to the air cock through outer main part for the air cock is more firm in the installation of main part, especially when aerifing, and the air current is better to the dispersion in the main part of impact force of air cock, guarantee air cock installation firm.

Optionally, the connecting hole has been seted up to interior main part, outer mouth screw thread install in the connecting hole, annular caulking groove has been seted up to the drill way of connecting hole, the spacing ring is located annular caulking groove.

Through adopting above-mentioned technical scheme, outer mouth and interior main part threaded connection, it is simple direct, offer annular caulking groove on the connecting hole for limiting ring on the outer mouth inlays the dress in annular caulking groove, makes limiting ring not influence other part structural dimensions of main part, and the contact surface between outer mouth and the interior main part is more buckled simultaneously, and the leakproofness is better.

Optionally, a sealing element is sleeved on the outer nozzle, and part of the sealing element is positioned between the bottom of the annular caulking groove and the limiting ring, and part of the sealing element is positioned between the wall of the connecting hole and the outer wall of the outer nozzle.

By adopting the technical scheme, the sealing piece improves the air tightness of the installation position of the outer nozzle.

Optionally, the seal is filled with a flowing medium.

Through adopting above-mentioned technical scheme for the sealing member can be mutual deformation in the part of spacing ring position and the part in connecting hole pore wall position, during the installation, the flow medium in the sealing member of connecting hole pore wall part can flow to the part in spacing ring position under the action of gravity, when making outer mouth screw in, the sealing member is difficult to interfere, when outer mouth screw in the tank bottom of sealing member butt annular caulking groove, extrusion sealing member, make flow medium flow once more, and when simple to operate keeps whole leakproofness good even.

In summary, through dividing into outer mouth and interior mouth two parts with the air cock, the interior mouth is installed in outer mouth inside, when inflating the gas pitcher, open the case of gas pitcher through the convex end of giving vent to anger of interior mouth, under the effect of atmospheric pressure, the interior mouth keeps pushing up the state of opening the case on the gas pitcher and constantly inflate in the gas pitcher, when the gas in the gas pitcher fills corresponding degree, the atmospheric pressure in the gas pitcher drives the case and resets, and then drive interior mouth and slide into outer mouth, automatic realization gas pitcher and air cock's closure, thereby can accomplish the interception of certain degree voluntarily after inflating, at last, the opening and shutting of rethread inflation valve itself is thoroughly no longer inflated, the requirement on time accuracy is lower, the sealing washer of suit on the outer mouth for guarantee the air cock is to the leakproofness when inflating the gas pitcher.

Drawings

FIG. 1 is a schematic diagram of a conventional air faucet;

FIG. 2 is a schematic structural view of an inflation valve in an embodiment of the present application;

FIG. 3 is a cross-sectional view of a mounting structure for an air cap in an embodiment of the present application;

FIG. 4 is a schematic view of a gas cap according to an embodiment of the present disclosure;

FIG. 5 is a cross-sectional view of an air cap in an embodiment of the present application.

Reference numerals illustrate: 1. a main body; 11. an inner body; 111. a connection hole; 112. an annular caulking groove; 12. an outer body; 121. perforating; 2. an air tap; 21. an outer mouth; 211. a limiting ring; 212. an annular groove; 213. sealing grooves; 214. a mounting hole; 215. a first limiting surface; 216. a force application groove; 22. an inner nozzle; 221. a flow channel; 222. an air outlet end; 223. the second limiting surface; 224. an air outlet hole; 3. a seal; 4. a seal ring; 51. an airway; 52. an air outlet; 53. and (3) a sealing ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-5.

The embodiment of the application discloses a gas tank inflation valve.

Referring to fig. 2 and 3, a gas tank inflation valve comprises a main body 1 and a gas nozzle 2 installed on the main body 1, wherein the main body 1 is connected with a gas source to supply gas for the gas nozzle 2, a start-stop valve structure for controlling whether the gas flows out is arranged on the main body 1 of the inflation valve, the main body 1 comprises an inner main body 11 and an outer main body 12, the inner main body 11 is directly connected with the gas nozzle 2, the outer main body 12 is sleeved outside the inner main body 11, a perforation 121 for the gas nozzle 2 to penetrate out is formed in the outer main body 12, the aperture of the perforation 121 is smaller than the maximum diameter of the gas nozzle 2, and the gas nozzle 2 is further limited to be separated from the inner main body 11 through the outer main body 12.

Referring to fig. 3 and 4, the air tap 2 includes an outer tap 21 and an inner tap 22, the outer tap 21 is threadedly mounted on the inner main body 11, the specific outer tap 21 is a stepped cylinder, one end with a larger diameter of the outer tap 21 is threadedly connected with the inner main body 11, a connecting hole 111 for screwing in the outer tap 21 is provided in the inner main body 11, a limiting ring 211 is integrally and extendedly provided in the middle of a larger diameter part of the outer tap 21, an annular caulking groove 112 is provided at an orifice of the connecting hole 111, the limiting ring 211 is positioned in the annular caulking groove 112, an annular groove 212 is provided at a part of one end of the outer tap 21, which is close to the limiting ring 211, a sealing element 3 is sleeved on the outer tap 21, the sealing element 3 is composed of a circular ring and a circular tube, the circular ring part of the sealing element 3 is jointed with the limiting ring 211, the circular tube part of the sealing element 3 is filled with the annular groove 212, a flowing medium is filled in the sealing element 3, the flowing medium can be water or other liquid which does not react with the sealing element 3, a sealing groove 213 is provided at an outer wall of one end, which is directly smaller than the outer tap 21, and a sealing ring 4 is embedded in the sealing groove 213.

The larger diameter part of the outer nozzle 21 is provided with two force application grooves 216 at the part of the limiting ring 211 far away from the annular groove 212, and the two force application grooves 216 are symmetrically arranged, so that the outer nozzle 21 can be conveniently screwed into the connecting hole 111.

Wherein the outer diameter of the stop collar 211 is greater than the aperture of the bore 121.

Referring to fig. 4 and 5, the outer nozzle 21 coaxially penetrates through and is provided with a mounting hole 214, the mounting hole 214 is a stepped hole, an opening with a smaller aperture of the mounting hole 214 is located at one end far away from the outer nozzle 21 and provided with an external thread, the inner nozzle 22 is slidably mounted in the mounting hole 214, the inner nozzle 22 is a stepped column, the middle diameter of the inner nozzle 22 is larger than the diameters of two ends, one end of the inner nozzle 22 is provided with a flow channel 221, the other end of the inner nozzle 22 is provided with an air outlet end 222, a step surface, facing the air outlet end 222, of the middle part of the inner nozzle 22 is provided with a second limiting surface 223, the step surface in the mounting hole 214 is provided with a first limiting surface 215, when the second limiting surface 223 abuts against the first limiting surface 215, the air outlet end 222 of the inner nozzle 22 is located outside the opening of the mounting hole 214 far away from the main body 1, the air outlet end 222 is provided with air outlet holes 224, the air outlet holes 224 are communicated with the flow channel 221, the openings of the air outlet holes 224 are obliquely opened in the direction far away from the outer nozzle 21, four air outlet holes 224 are arranged in the direction, and four air outlet holes 224 are arranged at intervals around the periphery Xiang Dengjiao degrees of the inner nozzle 22.

The implementation principle of the air tank inflation valve provided by the embodiment of the application is as follows: when the air tank is inflated, the valve core of the air tank is jacked up through the air outlet end 222 protruding from the inner nozzle 22, under the action of air pressure, the inner nozzle 22 keeps jacking up the valve core on the air tank to continuously inflate the air tank, when the air in the air tank is inflated to a corresponding degree, the air pressure in the air tank drives the valve core to reset, and then drives the inner nozzle 22 to slide into the outer nozzle 21, the closing of the air tank and the air nozzle 2 is automatically realized, so that the cut-off to a certain degree can be automatically completed after the inflation is completed, and finally, the air tank is completely not inflated again through the opening and closing of the air charging valve.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An inflation valve for a gas tank, which is characterized in that: including main part (1) and install air cock (2) on main part (1), air cock (2) include outer mouth (21) and interior mouth (22), outer mouth (21) install in main part (1), outer mouth (21) coaxial offer supply install hole (214) of interior mouth (22) installation that slides, be provided with first spacing face (215) in install hole (214), interior mouth (22) be equipped with first spacing face (215) complex second spacing face (223), second spacing face (223) butt when first spacing face (215), interior mouth (22) one end is located install hole (214) keep away from outside the opening of main part (1) and set up to outlet end (222), outlet end (222) have seted up venthole (224), the one end that outlet end (222) were kept away from to interior mouth (22) has seted up flow channel (221), flow channel (221) with flow channel (221) intercommunication, outer cover (4) are equipped with sealing washer (4).

2. A gas tank charging valve according to claim 1, characterized in that: the outer nozzle (21) is provided with a sealing groove (213), and the sealing ring (4) is embedded in the sealing groove (213).

3. A gas tank charging valve according to claim 1, characterized in that: the orifice of the air outlet hole (224) is obliquely arranged in the direction away from the outer nozzle (21).

4. A gas tank charging valve according to claim 1, characterized in that: the number of the air outlet holes (224) is at least two, and the air outlet holes (224) are arranged around the inner nozzle (22) at equal angular intervals in the circumferential direction.

5. A gas tank charging valve according to claim 4, wherein: the main part (1) is including interior main part (11) and outer main part (12), interior main part (11) with outer mouth (21) lug connection, the outer wall of outer mouth (21) is provided with spacing ring (211), outer main part (12) cover is located outside interior main part (11), outer main part (12) have been seted up and have been supplied perforation (121) that outer mouth (21) passed, the aperture of perforation (121) is less than the external diameter of spacing ring (211).

6. A gas tank charging valve according to claim 5, characterized in that: the inner main body (11) is provided with a connecting hole (111), the outer nozzle (21) is installed on the connecting hole (111) in a threaded mode, an annular caulking groove (112) is formed in an orifice of the connecting hole (111), and the limiting ring (211) is located in the annular caulking groove (112).

7. A gas tank charging valve according to claim 6, wherein: the sealing piece (3) is sleeved on the outer nozzle (21), part of the sealing piece (3) is positioned between the groove bottom of the annular caulking groove (112) and the limiting ring (211), and part of the sealing piece is positioned between the wall of the connecting hole (111) and the outer wall of the outer nozzle (21).

8. A gas tank charging valve according to claim 7, wherein: the seal (3) is filled with a flowing medium.