CN216519612U

CN216519612U - Gas quick-discharging mechanism

Info

Publication number: CN216519612U
Application number: CN202123406169.1U
Authority: CN
Inventors: 黄裕中; 张小红; 徐庆忠; 顾生锐; 张国明
Original assignee: Pingyu Chengdu Technology Co ltd
Current assignee: Pingyu Chengdu Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-13
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a gas quick-exhaust mechanism, which comprises a valve body, a sealing part and an elastic part, wherein a first matching surface and a second matching surface are constructed in the valve body, and a guide channel is constructed between the first matching surface and the second matching surface; the sealing component is matched with the guide channel, movably arranged in the guide channel and constrained between a first position and a second position, two ends of the sealing component are respectively constructed into a first sealing surface and a second sealing surface which are matched with the first matching surface and the second matching surface, the sealing component is also constructed with a through hole, one end of the through hole corresponds to the second matching surface, and the other end of the through hole is communicated with the air inlet channel constructed on the valve body; the valve body is provided with an exhaust passage and a trigger passage, one end of the exhaust passage penetrates through the first matching surface, and one end of the trigger passage penetrates through the second matching surface; the gas quick-discharging mechanism has the advantages of simple structure, convenience in manufacturing and assembling, low cost, capability of quickly discharging gas and particular suitability for quickly discharging gas in the gas storage tank.

Description

Gas quick-discharging mechanism

Technical Field

The utility model relates to the technical field of pneumatic elements, in particular to a gas quick-exhaust mechanism.

Background

The pneumatic element quick-release valve is an important element in pneumatic control and is a one-way type direction control element; the gas-discharging valve is usually arranged between the cylinder and the reversing valve, so that the gas in the cylinder is directly discharged from the reversing valve without passing through the reversing valve, and the gas-discharging valve is suitable for occasions requiring the cylinder to move quickly; the main function of the gas exhaust device is to quickly exhaust gas in the cylinder when the cylinder needs to move quickly in the reversing process of the cylinder.

The existing quick exhaust valve has the problems of complex structure, inconvenience in manufacturing and high cost, and is not suitable for use when the air storage tank is required to exhaust quickly, so that when the air storage tank exhausts quickly, the prior art often adopts valves such as stop valves or ball valves to control, and in the process of actual use, when the valve is opened, the exhaust flow gradually becomes small, the effect of quick exhaust cannot be achieved, and urgent solution is needed.

Disclosure of Invention

The utility model aims to solve the problems of complex structure, inconvenience in manufacturing, high cost and inapplicability to quick exhaust of a gas storage tank of the conventional quick exhaust valve, and provides a quick gas exhaust mechanism which has the characteristics of simple structure, convenience in manufacturing, low cost and the like, can quickly exhaust gas, is particularly suitable for quickly exhausting gas in the gas storage tank, and has the main conception that:

a gas quick-discharge mechanism comprises a valve body, wherein a first matching surface and a second matching surface which are oppositely arranged are formed in the valve body, and a guide channel is formed between the first matching surface and the second matching surface;

the sealing component is matched with the guide channel, movably arranged in the guide channel and constrained between a first position and a second position, two ends of the sealing component are respectively matched with a first sealing surface and a second sealing surface of the first matching surface and the second matching surface, the sealing component is also provided with a through hole, one end of the through hole corresponds to the second matching surface, and the other end of the through hole is communicated with the air inlet channel formed in the valve body;

the valve body is also provided with an exhaust channel and a trigger channel, one end of the exhaust channel penetrates through the first matching surface, and one end of the trigger channel penetrates through the second matching surface;

at the first position, the sealing component contacts the first matching surface under the elastic action of the elastic component and closes the exhaust channel, and the air inlet channel is communicated with the trigger channel through the through hole; and at the second position, the second sealing surface of the sealing component is in sealing contact with the second matching surface and closes the trigger channel and the through hole, and the air inlet channel is communicated with the exhaust channel through the guide channel. In the scheme, a first matching surface and a second matching surface are constructed, a guide channel is constructed between the first matching surface and the second matching surface, and a sealing part is movably arranged in the guide channel, so that the sealing part can move relative to the guide channel to move to a first position and a second position, wherein at the first position, the exhaust channel can be effectively closed through the matching of the elastic part, the sealing part and the first matching surface, and the problem that the air inlet channel and the exhaust channel are mutually disconnected is solved, so that the requirements during initial non-inflation and during inflation are met; by constructing the through hole, one end of the through hole corresponds to the second matching surface, and the other end is always communicated with the air inlet channel, so that when the sealing component is positioned at the first position, the air inlet channel can be communicated with the trigger channel through the through hole, and when the air is exhausted, the gas to be exhausted is quickly exhausted through the air inlet channel, the through hole, the guide channel and the trigger channel, in the process, because the through hole has a damping effect on the gas, the pressure intensity at one side of the trigger channel is smaller than that at one side of the air inlet channel, when the pressure intensity difference at two sides is greater than that of the elastic component, the sealing component quickly moves from the first position to the second position, so that the second sealing surface is attached to the second matching surface, the through hole and the trigger channel can be sealed, at the moment, the air inlet channel just can be communicated with the exhaust channel through the guide channel, and the gas can quickly go through the exhaust channel, the process that the discharge flow is gradually changed from small to big does not exist in the quick discharge process, so that a better quick discharge effect can be realized; after the gas is discharged, the sealing part automatically moves to the first position under the action of the elastic force of the elastic part, and automatically closes the exhaust channel for subsequent inflation; compared with the existing quick exhaust valve, the mechanism not only has the characteristics of simple structure, convenience in manufacturing, low cost and the like, but also can quickly exhaust gas, and is particularly suitable for quickly exhausting gas in the gas storage tank.

To achieve a better sealing effect, the area of the first sealing surface is further larger than the area of the first mating surface, so that the exhaust passage can be better fitted and closed.

Preferably, an annular groove is formed in the second sealing surface, and the through hole is communicated with the annular groove. The second sealing surface is more easily elastically deformed so as to obtain better sealing effect.

Preferably, the sealing member has a cylindrical structure or a truncated cone structure.

Preferably, the sealing member is made of a rubber material.

Preferably, the guide channel is coaxial with the trigger channel, and the exhaust channel is opposite to the guide channel.

In order to solve the problem of automatically closing the exhaust passage at the beginning, it is preferable that one end of the elastic member is in contact with the sealing member, and the other end is fixedly installed, and the elastic member is used for providing elastic force to the sealing member from the second matching surface to the first matching surface. Therefore, at the beginning, the sealing part can automatically press the first matching surface under the action of the elastic force of the elastic part, and the purpose of closing the exhaust channel is achieved, so that the air can be filled into the air storage tank.

Preferably, the elastic member is a compression spring.

Preferably, the elastic member is disposed in the trigger passage, and one end of the elastic member contacts the second sealing surface.

Further, for the convenience of production and assembly, the exhaust connector is further included, one end of the exhaust connector is configured as the first mating surface, and the exhaust channel is configured on the exhaust connector,

the valve body is further provided with a first installation cavity communicated with the guide channel, one end of the exhaust joint is inserted into the first installation cavity, and the exhaust joint is detachably installed in the first installation cavity and seals the first installation cavity. Through setting up the exhaust joint, be convenient for first fitting surface and exhaust passage's processing and manufacturing, and through constructing first installation cavity, not only be convenient for process guide way in the valve body, be convenient for pack sealing member into in the guide way, be convenient for assemble required position department with the exhaust joint moreover for can form mutually supporting between first fitting surface, second fitting surface and the sealing member three, thereby can solve the problem of being convenient for production and assembly.

To facilitate assembly of the sealing member, further, a minimum inner diameter of the first installation cavity is greater than or equal to an inner diameter of the guide passage. Not only be convenient for through first installation cavity processing guide way, be convenient for again through first installation cavity with seal assembly to guide way in.

Preferably, the air inlet channel is communicated with the side wall of the first mounting cavity, and after the exhaust joint is mounted on the valve body, the air inlet channel is communicated with the through hole through the first mounting cavity. Not only is convenient for processing and forming the air inlet channel, but also enables the air inlet channel and the through hole to be always kept in a communicated state.

For the demountable installation that realizes the exhaust joint, it is preferred, the valve body is constructed with first installation department, the exhaust joint is constructed with the adaptation the first connecting portion of first installation department, the exhaust joint is through the cooperation demountable installation in the valve body of first connecting portion and first installation department. The detachable installation and the replacement problem of the exhaust joint are solved.

Preferably, the first mounting portion is an internal thread configured in the first mounting cavity, and the first connecting portion is an external thread adapted to the internal thread. So as to achieve a threaded connection.

To facilitate assembly on site, the exhaust fitting is further configured with a second connection portion. For connecting components such as exhaust pipes.

Preferably, the second connecting portion is an internal thread formed in the exhaust passage. So as to connect the components, such as exhaust pipe, etc. connected with it.

In order to facilitate production and assembly, the valve further comprises an adapter, wherein the adapter is provided with a switching channel, the adapter is detachably connected to the valve body, the switching channel is communicated with the triggering channel, and two ends of the elastic component are respectively abutted against the sealing component and the adapter. Through the structure adapter, the problem of the processing of being convenient for is solved to the processing of not only being convenient for trigger the passageway, is convenient for utilize the adapter other spare parts of switching moreover, through connecting adapter detachable in the valve body, the installation, the assembly and the dismantlement of the elastomeric element of not only being convenient for can seal moreover trigger the passageway for gas can only be discharged via the switching passageway.

For the demountable installation problem of solving the adapter, it is preferred, the valve body is constructed there is the second installation department, the adapter is constructed the adaptation the third connecting portion of second installation department, the adapter passes through the cooperation detachable of third connecting portion and second installation department and installs in the valve body.

Preferably, the second mounting portion is an internal thread formed in the trigger passage, and the third connecting portion is an external thread adapted to the internal thread.

For convenience of processing and assembly, the triggering channel is preferably a stepped hole channel.

In order to simplify the structure and reduce the cost, the valve further comprises a trigger joint, wherein the trigger joint is provided with a central channel, is detachably arranged on the valve body and enables the central channel to be communicated with the trigger channel;

the adapter is detachably arranged on the trigger connector, and the switching channel is communicated with the central channel;

one end of the elastic component is abutted against the sealing component, and the other end of the elastic component is abutted against the trigger joint or the adapter. In this scheme, connect through addding between adapter and valve body and trigger for trigger and connect and can play the effect of structural transition, make the size of triggering the passageway process as required, and the adapter can adopt among the prior art standard adapter can, not only be favorable to simplifying structure, reduce cost, the assembly of being convenient for moreover.

In order to solve the problem of detachable installation, preferably, the valve body is provided with a second installation part, one end of the trigger joint is provided with a first adaptation part adapted to the second installation part, the other end of the trigger joint is provided with a second adaptation part, the trigger joint is detachably connected to the valve body through the matching of the first adaptation part and the second installation part,

the adapter is constructed with the adaptation the third connecting portion of second adaptation portion, the adapter passes through the cooperation detachable of third connecting portion and second adaptation portion and installs in triggering the joint. So as to achieve the detachable installation.

Preferably, the second mounting part is an internal thread configured in the trigger channel, and the first adapting part is an external thread adapted to the internal thread; and/or the second adapting part is an internal thread configured in the central channel, and the third connecting part is an external thread adapted to the internal thread.

Compared with the prior art, the gas quick-exhaust mechanism provided by the utility model has the characteristics of simple structure, convenience in manufacture and assembly, low cost and the like, can quickly exhaust gas, is particularly suitable for quickly exhausting gas in the gas storage tank, and can effectively solve the problems in the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a gas quick-release mechanism provided in embodiment 1 of the present invention, in which a sealing member is at a first position.

Fig. 2 is a second schematic structural diagram of a gas quick-exhaust mechanism provided in embodiment 1 of the present invention, in which a sealing member is at a second position.

Fig. 3 is a schematic structural diagram of a sealing member in a gas quick-release mechanism according to embodiment 2 of the present invention.

Fig. 4 is a second schematic structural diagram of a sealing member in a gas quick-exhaust mechanism according to embodiment 2 of the present invention.

Fig. 5 is a schematic structural diagram of a gas quick-release mechanism provided in embodiment 3 of the present invention, in which a sealing member is in a first position.

Fig. 6 is a second schematic structural diagram of a gas quick-release mechanism provided in embodiment 3 of the present invention, in which the sealing member is at a second position.

Description of the drawings

Valve body 100, intake passage 101, guide passage 102, second mating surface 103, trigger passage 104, first mounting cavity 105, first mounting portion 106, second mounting portion 107

Sealing member 200, first sealing surface 201, second sealing surface 202, through hole 203, annular groove 204

Exhaust joint 300, first mating face 301, exhaust passage 302, first connecting portion 303

Adapter 400, adapter channel 401 and third connecting part 402

Trigger joint 500, central channel 501, first adapter 502, second adapter 503

The elastic member 600.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 and fig. 2, the present embodiment provides a gas quick-release mechanism, which includes a valve body 100, a sealing member 200, and an elastic member 600, wherein,

the valve body 100 may be made of a metal material, and a first mating surface 301 and a second mating surface 103 are configured in the valve body 100 and are oppositely arranged, and a guide channel 102 is configured between the first mating surface 301 and the second mating surface 103, as shown in fig. 1 and 2.

In this embodiment, the valve body 100 is further configured with an exhaust passage 302 and a trigger passage 104, wherein one end of the exhaust passage 302 penetrates through the first mating surface 301, and the other end is communicated with the outside; one end of the trigger channel 104 penetrates through the second matching surface 103, and the other end of the trigger channel is communicated with the outside; in particular, the exhaust channel 302, the guide channel 102, and the trigger channel 104 may be preferably configured to correspond to each other, for example, as shown in fig. 1 and 2, the guide channel 102 and the trigger channel 104 may be coaxial, and the exhaust channel 302 may face the guide channel 102.

In this embodiment, the valve body 100 further includes an air inlet channel 101, as shown in fig. 1 and fig. 2, the air inlet channel 101 is communicated with the guide channel 102, the air inlet channel 101 is mainly used for communicating with an air source device, for example, the air inlet channel 101 can be used for communicating with an air storage tank, so that high-pressure air in the air storage tank can enter the valve body 100 through the air inlet channel 101.

In the present embodiment, the sealing member 200 may be configured to fit the guide channel 102, for example, the guide channel 102 may preferably adopt a cylindrical channel, as shown in fig. 1 and 2, and accordingly, the sealing member 200 may be configured to have a cylindrical structure or a truncated cone structure (such that the area of the first sealing surface 201 is smaller than that of the second sealing surface 202, as shown in fig. 1 and 2) to fit the cylindrical channel.

In the present embodiment, one end of the seal member 200 is configured to fit the first sealing surface 201 of the first mating surface 301 so as to contact the first mating surface 301; the other end of the sealing member 200 is configured to fit a second sealing surface 202 of the second mating surface 103, as shown in fig. 1 and 2, so as to contact the second mating surface 103.

In addition, the sealing component 200 is further configured with a through hole 203, and one end of the through hole 203 corresponds to the second mating surface 103, so that when the second mating surface 103 and the second sealing surface 202 are attached together, the through hole 203 can be just closed, as shown in fig. 1 and 2; the other end of the through hole 203 is used for communicating with the intake passage 101, as shown in fig. 1 and 2; to achieve a better sealing effect, in a preferred embodiment, the area of the first sealing surface 201 is larger than that of the first mating surface 301, so that not only can the exhaust passage 302 be better fitted and closed, but also the through hole 203 can be configured at a position not corresponding to the first mating surface 301 so as to communicate with the intake passage 101 by using the through hole 203;

in this embodiment, the sealing member 200 and the valve body 100 may be separately manufactured, and the sealing member 200 may be made of metal and/or nonmetal, for example, the sealing member 200 may be preferably made of rubber.

In this embodiment, the elastic member 600 may be separately manufactured and assembled in the valve body 100; in the gas quick-release mechanism, the sealing member 200 may be movably disposed in the guide channel 102 and may be constrained between the first position and the second position by the first mating surface 301 and the second mating surface 103, accordingly, one end of the elastic member 600 contacts the sealing member 200, and the other end is fixedly mounted, so that the elastic member 600 may provide the sealing member 200 with an elastic force in a direction from the second mating surface 103 to the first mating surface 301, so that, initially, the sealing member 200 may automatically press the first mating surface 301 under the elastic force of the elastic member 600, thereby achieving the purpose of closing the gas discharge channel 302, so as to charge gas into the gas storage tank.

In specific implementation, the elastic member 600 may be an existing extension spring or a compression spring, for example, in this embodiment, the elastic member 600 is a compression spring, as shown in fig. 1 and fig. 2, and the elastic member 600 may be disposed in the trigger passage 104, and one end of the elastic member 600 contacts the second sealing surface 202, and the other end of the elastic member 600 is constrained to the valve body 100 or another component connected to the valve body 100; so that initially or during inflation, the sealing member 200 may automatically close the vent passageway 302.

As shown in fig. 1 and 2, when the sealing member 200 is at the first position, the sealing member 200 contacts the first mating surface 301 under the elastic force of the elastic member 600 and can close the exhaust passage 302, and at this time, the air inlet passage 101 can be just communicated with the trigger passage 104 through the through hole 203, as shown in fig. 1 and 2, during the actual use, when the present gas quick exhaust mechanism is in the non-inflation state or in the inflation state, the sealing member 200 can be at the first position;

when the sealing member 200 is in the second position, the second sealing surface 202 of the sealing member 200 is in sealing contact with the second mating surface 103 and closes the triggering passage 104, and also just closes the through hole 203, and at this time, the air inlet passage 101 just can be communicated with the air outlet passage 302 through the guide passage 102, as shown in fig. 1 and 2, so as to rapidly exhaust high-pressure air through the air outlet passage 302.

The first mating surface 301 and the second mating surface 103 may be directly formed on the valve body 100, or may be formed on other components mounted on the valve body 100, for convenience of production and assembly, for example, in the present embodiment, the second mating surface 103 may be directly formed on the valve body 100, as shown in fig. 1 and 2; correspondingly, the mechanism further comprises an exhaust connector 300, one end of the exhaust connector 300 is configured as the first matching surface 301, and the exhaust channel 302 is configured on the exhaust connector 300, namely, the first matching surface 301 and the exhaust channel 302 can be simultaneously configured on the exhaust connector 300; as shown in fig. 1 and 2; meanwhile, the valve body 100 is further configured with a first mounting cavity 105 communicated with the guide channel 102, one end of the exhaust joint 300 is inserted into the first mounting cavity 105, and the exhaust joint 300 can be detachably mounted in the first mounting cavity 105 and close the first mounting cavity 105, as shown in fig. 1 and 2; specifically, by providing the exhaust joint 300, the machining and manufacturing of the first mating surface 301 and the exhaust passage 302 are facilitated, and by configuring the first mounting chamber 105, not only the machining of the guide passage 102 in the valve body 100 and the installation of the seal member 200 into the guide passage 102 are facilitated, but also the assembly of the exhaust joint 300 to a desired position is facilitated, so that the first mating surface 301, the second mating surface 103, and the seal member 200 can be mutually fitted, and thus the problem of facilitating the production and assembly can be solved.

To facilitate the assembly of the sealing member 200, the first mounting cavity 105 may preferably be a cylindrical cavity, and the minimum inner diameter of the first mounting cavity 105 is greater than or equal to the inner diameter of the guide channel 102, as shown in fig. 1 and 2, so as to facilitate the machining of the guide channel 102 through the first mounting cavity 105 and the assembly of the sealing member 200 into the guide channel 102 through the first mounting cavity 105; in addition, the air inlet channel 101 may communicate with the side wall of the first mounting cavity 105, and after the exhaust joint 300 is mounted on the valve body 100, a gap is formed between the side wall of the front end of the exhaust joint 300 and the first mounting cavity 105, so that the air inlet channel 101 may be kept in communication with the through hole 203 through the first mounting cavity 105, that is, the air inlet channel 101 may be kept in communication with the through hole 203 through the gap, as shown in fig. 1 and 2, which not only facilitates the processing and forming of the air inlet channel 101, but also keeps the air inlet channel 101 in communication with the through hole 203 all the time.

To achieve the detachable installation of the exhaust joint 300, the valve body 100 is configured with a first installation part 106, and the exhaust joint 300 is configured with a first connection part 303 fitting the first installation part 106, so that the exhaust joint 300 can be detachably installed on the valve body 100 through the cooperation of the first connection part 303 and the first installation part 106, so as to facilitate the detachable installation and replacement of the exhaust joint 300. The first mounting portion 106 and the first connection portion 303 have various embodiments, for example, the first mounting portion 106 may be an internal thread configured in the first mounting cavity 105, and correspondingly, the first connection portion 303 may be an external thread adapted to the internal thread, as shown in fig. 1 and 2, so as to realize a threaded connection; as another example, the first mounting portion 106 may be an external thread, and the first connecting portion 303 may be an internal thread, which can achieve the same technical effect;

in a more sophisticated solution, the exhaust joint 300 is further configured with a second connection portion, for example, the second connection portion may be an internal thread configured in the exhaust passage 302, as shown in fig. 1 and 2, and the exhaust passage 302 may preferably adopt a stepped hole passage for processing the internal thread; for another example, the second connection portion may also be an external thread so as to connect a component that is butted against the second connection portion, such as an exhaust pipe.

In order to facilitate production and assembly, in a more sophisticated scheme, the adapter 400 further includes an adapter 400, the adapter 400 is configured with an adapter channel 401, the adapter 400 can be detachably connected to the valve body 100, and the adapter channel 401 is communicated with the trigger channel 104, as shown in fig. 1 and fig. 2, at this time, two ends of the elastic component 600 can respectively abut against the sealing component 200 and the adapter 400, which is not only convenient for assembling the elastic component 600, but also can enable the elastic force of the elastic component 600 to act on the sealing component 200; specifically, by constructing the adapter 400, it is not only convenient to process the triggering channel 104, but also to use the adapter 400 to switch other components (such as pipes, etc.), and by detachably connecting the adapter 400 to the valve body 100, it is not only convenient to install, assemble and disassemble the elastic component 600, but also can seal the triggering channel 104, so that the gas can only be discharged through the switching channel 401.

In order to facilitate the installation and the disassembly of the adapter 400, the valve body 100 is further configured with a second installation part 107, and at this time, the adapter 400 is configured with a third connection part 402 adapted to the second installation part 107, so that the adapter 400 can be detachably installed on the valve body 100 through the cooperation of the third connection part 402 and the second installation part 107; the second mounting portion 107 and the third connecting portion 402 have various embodiments, for example, the second mounting portion 107 may be an internal thread configured in the triggering channel 104, and correspondingly, the third connecting portion 402 may be an external thread adapted to the internal thread, and the triggering channel 104 may be a stepped hole; as another example, the second mounting portion 107 may be an external thread, and in this case, the third connecting portion 402 may be an internal thread.

The gas quick-discharge mechanism provided by the embodiment can be matched with a gas storage tank for use, the gas storage tank can be communicated with the gas inlet channel 101, and the gas storage tank can be repeatedly inflated and deflated so as to be repeatedly and circularly used; specifically, in the gas quick-exhaust mechanism, the through hole 203 is formed, one end of the through hole 203 corresponds to the second matching surface 103, and the other end of the through hole 203 is always communicated with the gas inlet channel 101, so that when the gas storage tank is not inflated, the sealing component 200 can be positioned at the first position under the action of the elastic component 600 and is attached to the first matching surface 301, and the purpose of effectively closing the gas outlet channel 302 is achieved; and, at this time, the air inlet channel 101 may communicate with the trigger channel 104 through the through hole 203, as shown in fig. 1;

and (3) an inflation process: since the sealing member 200 is at the first position, the exhaust passage 302 is closed (closed), and the gas entering the valve body 100 from the gas inlet passage 101 will pass through the through hole 203 in the sealing member 200, so that the pressure of the chambers on both sides of the sealing member 200 is equal, and since the sealing member 200 is partially attached to the first adapting surface, as shown in fig. 1, the force-bearing area on the left side of the sealing member 200 is larger than the force-bearing area on the right side of the sealing ring, as can be seen from F = PS (pressure F, pressure P, force-bearing area S); under the condition of equal pressure, the pressure on the left side of the sealing member 200 is greater than the pressure on the right side, and under the dual actions of the pressure difference and the elastic member 600, the sealing member 200 can be pressed more firmly against the exhaust connector 300, so that the gas in the gas tank is not exhausted.

And (3) fast discharging process: when exhausting, the trigger channel 104 needs to be communicated with the outside or the atmosphere (the communication method may be that, when a valve and other devices communicated with the adapter 400 are opened, the trigger channel 104 is communicated with the outside), the gas on the left side of the sealing member 200 can be rapidly exhausted from the trigger channel 104, because the through hole 203 is smaller, the damping effect is exerted on the gas, so that the pressure on the left side of the sealing member 200 is smaller than the pressure on the right side, when the pressure difference formed by the pressure difference on the two sides is greater than the pressure of the elastic member 600, the sealing member 200 is rapidly moved from the first position to the second position, as shown in fig. 2, so that the second sealing surface 202 is attached to the second mating surface 103, the trigger channel 104 and the through hole 203 are simultaneously closed, at this time, the gas inlet channel 101 just can be communicated with the gas outlet channel 302 through the guide channel 102, so that the gas (high-pressure gas) in the gas storage tank can be rapidly exhausted through the gas outlet channel 302, the purpose of fast discharging is achieved; the process that the discharge flow is gradually changed from small to big does not exist in the quick discharge process, and a better quick discharge effect can be realized; after the gas is discharged, the sealing member 200 is automatically moved to the first position by the elastic force of the elastic member 600, and automatically closes the exhaust passage 302, so that the subsequent inflation and deflation processes are repeated.

This gaseous fast mechanism of arranging is applicable to the occasion that needs quick exhaust, if, can be arranged in broken glass device.

Example 2

The main difference between the present embodiment 2 and the above embodiment 1 is that in the gas quick-release mechanism provided in the present embodiment, an annular groove 204 is formed in the second sealing surface 202, as shown in fig. 3-6, the annular groove 204 corresponds to the second mating surface 103, and the through hole 203 communicates with the annular groove 204, as shown in fig. 3 and 4.

Example 3

The main difference between the present embodiment 3 and the above embodiment 1 or 2 is that the gas quick-release mechanism provided in the present embodiment further includes a trigger joint 500, as shown in fig. 5 and 6, the trigger joint 500 is configured with a central channel 501, and the trigger joint 500 can be detachably mounted on the valve body 100, so that the central channel 501 is communicated with the trigger channel 104, as shown in fig. 5 and 6;

accordingly, the adapter 400 can be detachably mounted on the trigger connector 500, and the through-channel 401 is communicated with the central channel 501, as shown in fig. 5 and 6;

accordingly, one end of the elastic member 600 abuts against the sealing member 200, and the other end abuts against the trigger joint 500 or the adapter 400, as shown in fig. 5 and 6. In this embodiment, through set up the trigger joint 500 between adapter 400 and valve body 100 for trigger joint 500 can play the effect of structural transition, makes the size of trigger passageway 104 can process as required, and adapter 400 can adopt among the prior art standard adapter 400 can, not only be favorable to simplifying structure, reduce cost, be convenient for moreover the assembly.

For convenience of installation and assembly, in a more sophisticated scheme, the valve body 100 is configured with a second installation part 107, one end of the trigger joint 500 is configured with a first adaptation part 502 adapted to the second installation part 107, so that the trigger joint 500 can be detachably installed on the valve body 100 through the matching of the first adaptation part 502 and the second installation part 107, and the second installation part 107 can preferably adopt an internal thread configured in the trigger channel 104, as shown in fig. 5 and 6, and correspondingly, the first adaptation part 502 can be an external thread adapted to the internal thread; of course, the second mounting portion 107 may also be externally threaded, and correspondingly, the first adapting portion 502 may be internally threaded, and may also be threadedly connected.

As shown in fig. 5 and 6, the other end of the trigger connector 500 is configured with a second adapting portion 503, the adapter 400 is configured with a third connecting portion 402 adapted to the second adapting portion 503, the adapter 400 can be detachably mounted on the trigger connector 500 by the cooperation of the third connecting portion 402 and the second adapting portion 503, and there are various embodiments, for example, the second adapting portion 503 may preferably adopt an internal thread configured in the central channel 501, and correspondingly, the third connecting portion 402 may be an external thread adapted to the internal thread; of course, the second adapting portion 503 may be an external thread, and correspondingly, the third connecting portion 402 may be an internal thread, which also enables a threaded connection.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims

1. A gas quick-exhaust mechanism is characterized by comprising a valve body, a sealing component and an elastic component, wherein a first matching surface and a second matching surface which are oppositely arranged are constructed in the valve body, and a guide channel is constructed between the first matching surface and the second matching surface;

at the first position, the sealing component contacts the first matching surface under the elastic action of the elastic component and closes the exhaust channel, and the air inlet channel is communicated with the trigger channel through the through hole; and at the second position, the second sealing surface of the sealing component is in sealing contact with the second matching surface and closes the trigger channel and the through hole, and the air inlet channel is communicated with the exhaust channel through the guide channel.

2. The gas quick release mechanism according to claim 1, wherein one end of the elastic member is in contact with the sealing member, and the other end is fixedly mounted, and the elastic member is configured to provide an elastic force to the sealing member along a direction from the second mating surface to the first mating surface.

3. The gas quick release mechanism according to claim 2, wherein the area of the first sealing surface is larger than the area of the first mating surface;

and/or an annular groove is formed in the second sealing surface, and the through hole is communicated with the annular groove;

and/or the sealing component is of a cylindrical structure or a truncated cone-shaped structure;

and/or the sealing component is made of rubber;

and/or the elastic component is a compression spring;

and/or the elastic component is arranged in the trigger channel, and one end of the elastic component is in contact with the second sealing surface.

4. The gas quick release mechanism according to any one of claims 1 to 3, further comprising a gas discharge connector, wherein one end of the gas discharge connector is configured as the first mating surface, the gas discharge passage is configured in the gas discharge connector, the valve body is further configured with a first mounting cavity communicated with the guide passage, one end of the gas discharge connector is inserted into the first mounting cavity, and the gas discharge connector is detachably mounted in the first mounting cavity and closes the first mounting cavity;

and/or, still include the adapter, the adapter is constructed with switching channel, adapter detachable connect in the valve body, and make switching channel with trigger the passageway and be linked together, just elastomeric element's both ends support respectively and lean on in sealing member and adapter.

5. The gas quick discharge mechanism according to claim 4, wherein the minimum inner diameter of the first installation cavity is greater than or equal to the inner diameter of the guide channel;

and/or the air inlet channel is communicated with the side wall of the first mounting cavity, and after the exhaust joint is mounted on the valve body, the air inlet channel is communicated with the through hole through the first mounting cavity.

6. The gas quick release mechanism of claim 4, wherein the valve body is configured with a first mounting portion, the exhaust fitting is configured with a first connection portion that fits the first mounting portion, and the exhaust fitting is removably mounted to the valve body by engagement of the first connection portion with the first mounting portion;

and/or, the valve body is constructed with the second installation department, the adapter is constructed with the adaptation the third connecting portion of second installation department, the adapter passes through the cooperation detachable of third connecting portion and second installation department and installs in the valve body.

7. The gas quick release mechanism of claim 6, wherein the first mounting portion is an internal thread configured in the first mounting cavity, and the first connection portion is an external thread adapted to the internal thread;

and/or the exhaust joint is also provided with a second connecting part which is an internal thread arranged in the exhaust channel.

8. The gas quick release mechanism of claim 4, further comprising a trigger fitting configured with a central passage, the trigger fitting being removably mounted to the valve body and communicating the central passage with the trigger passage;

one end of the elastic component is abutted against the sealing component, and the other end of the elastic component is abutted against the trigger joint or the adapter.

9. The gas quick release mechanism according to claim 8, wherein the valve body is configured with a second mounting portion, one end of the trigger connector is configured with a first adapting portion adapted to the second mounting portion, the other end is configured with a second adapting portion, the trigger connector is detachably connected to the valve body by the cooperation of the first adapting portion and the second mounting portion,

the adapter is constructed with the adaptation the third connecting portion of second adaptation portion, the adapter passes through the cooperation detachable of third connecting portion and second adaptation portion and installs in triggering the joint.

10. The gas quick release mechanism of claim 9, wherein the second mounting portion is an internal thread configured within the trigger channel, and the first fitting portion is an external thread fitting the internal thread;

and/or the second adapting part is an internal thread configured in the central channel, and the third connecting part is an external thread adapted to the internal thread.