Overflow valve with reset function

Abstract

The invention relates to an over-flow valve with a resetting function, which comprises a valve body, a valve core, a valve core, a valve core, a valve core, a valve core, a valve core and a valve core, and is characterized in that the valve body comprises an air inlet part, an air outlet part and a pressure relief part; a pressure relief valve provided to the pressure relief unit; the superflow device is arranged on the air inlet part, the superflow device comprises a flow stopping piece, and the flow stopping piece can block the air outlet when bearing fluid thrust exceeding a set value; the reset device is arranged on the pressure release valve and comprises a push rod, when the push rod is stressed to move, one end of the push rod moves towards the position where the flow stopping piece blocks the air outlet, and one end of the push rod of the pressure release valve can correspond to the position where the flow stopping piece blocks the air outlet, so that after abnormity is eliminated, the flow stopping piece can be stopped by operating the push rod to push the flow stopping piece, and the pressure release valve can be reset. When a user wants to remove the blocking of the superflow device to the fluid, the user only needs to operate the reset device.

Description

Technical Field

[0001] The present invention relates to a superflow valve with a reset function, which is generally installed in a gas storage device (such as a gas cylinder, a gas barrel). It can prevent gas from continuing to leak when an accident occurs and can be easily operated to reset when the accident is resolved. Background Art

[0002] Gas refers to a gas that can be used as fuel (such as natural gas, gas, coal gas). After combustion, it can generate a large amount of heat energy, so it is widely used in daily life. For example, water heaters, gas stoves, etc. are common devices that use gas combustion as kinetic energy in daily life.

[0003] In order to avoid some dangers that may occur when using gas storage devices, there are quite a variety of gas safety cut-off devices on the market for consumers to choose from. For example, the superflow valve is a quite common valve body. It is installed on the pipeline for transporting gas. If the gas flow rate is too large, it can cut off the gas flow. It should be noted that if the pipeline for transporting gas ruptures, a very strong air pressure will be generated instantaneously inside the pipeline. In this case, the present invention will actuate to cut off the gas. Similarly, this feature can also prevent the situation where the air pressure in the pipeline is too strong due to other conditions and damage the gas equipment.

[0004] However, after the fluid cut-off mechanism of the current superflow valves on the market is activated, unless the superflow valve is completely removed from the gas storage device, the cut-off of the fluid cannot be released. This way of releasing the cut-off of the fluid by the superflow valve causes great trouble to users. If the operation is improper, it is possible for a large amount of gas inside the gas storage device to leak. Therefore, when the abnormality is resolved, professional assistance is often required to release the cut-off of the fluid by the superflow valve. Summary of the Invention

[0005] The present invention is provided with a reset device on the pressure relief valve of the valve body. The reset device includes a push rod. Generally speaking, the superflow device will activate the cut-off mechanism because the thrust of the flowing fluid exceeds the set value, so that the flow stop member blocks the air outlet. In this way, the cut-off effect of the fluid can be achieved. One end of the push rod of the present invention corresponds to the position when the flow stop member blocks the air outlet. Therefore, after the abnormality is eliminated, as long as the push rod is operated to push the flow stop member, the blocking of the flow stop member can be released. In this way, the user only needs to operate the reset device to release the blocking of the fluid by the superflow device, without having to disassemble it from the gas storage device as in traditional products to release the blocking of the fluid by the superflow device, so as to improve the problems existing in traditional products.

[0006] To achieve the above objects and effects, the present invention provides a superflow valve with a return function, which includes: a valve body, which includes an air inlet portion, an air outlet portion, and a pressure relief portion, and the air inlet portion includes an air outlet; a pressure relief valve, which is arranged in the pressure relief portion; a superflow device, which is arranged in the air inlet portion, and the superflow device includes a flow stop member, and the flow stop member will block the air outlet when it bears a fluid thrust exceeding the set value; a return device, which is arranged on the pressure relief valve, and the return device includes a push rod, and when the push rod is displaced by force, one end of it is displaced towards the position where the flow stop member blocks the air outlet.

[0007] Further, there is a neck between the air inlet portion and the pressure relief portion, and the neck has a channel. The pressure relief valve includes a blocking member, an elastic member, and a valve member. The blocking member is fixed to the air inlet portion and includes a first through hole. The elastic member is located between the blocking member and the valve member. The valve member elastically abuts against the neck and includes a second through hole. The push rod passes through the first through hole, the second through hole, and the channel.

[0008] Further, the push rod includes a rod body and an operation button connected to each other. A part of the rod body passes through the second through hole and the channel. There is an anti - detachment rib around the rod body, and the anti - detachment rib is located on the side of the valve member facing the air inlet portion. The anti - detachment rib cannot pass through the second through hole. The operation button passes through the first through hole. The return device includes a spring, and the spring elastically abuts between the operation button and the valve member.

[0009] Further, the operation button presents the shape of a horn.

[0010] Further, the part where the valve member elastically abuts against the neck is an elastic washer. Description of the Drawings

[0011] Figure 1 It is a three - dimensional schematic diagram of the present invention.

[0012] Figure 2 It is an exploded schematic diagram of the present invention.

[0013] Figure 3 It is Figure 1 A schematic cross - sectional view taken along line III - III.

[0014] Figure 4 It is a schematic diagram of the actual use of the present invention.

[0015] Figure 5 It is a schematic diagram of the flow stop member blocking the air outlet when the pipeline bursts.

[0016] Figure 6 It is a schematic diagram of the push rod pushing against the flow stop member.

[0017] Figure 7Schematic diagram of the valve component moving outward under pressure when the internal pressure of the valve body is too high.

[0018] Description of the symbols of the main components: 1 Valve body 11 Intake part 111 Outlet 12 Outlet part 13 Pressure relief part 14 Neck 141 Channel 2 Pressure relief valve 21 Stopper 211 First perforation 22 Elastic member 23 Valve component 231 Second perforation 232 Elastic washer 3 Superfluid device 31 Flow stopper 32 Magnet 4 Return device 41 Push rod 411 Rod body 4111 Anti - detachment rib 412 Operating button 42 Spring 5 Pipeline 6 Gas storage device. Detailed implementation

[0019] For a more detailed understanding of the implementation of the present invention, please also view it in conjunction with the drawings, so that those skilled in the art can better understand the present invention and be able to implement it, but the examples given do not limit the present invention. As Figures 1 to 3 As presented, the present invention provides a superfluid valve with a return function, which includes: a valve body 1, which includes an intake part 11, an outlet part 12, and a pressure relief part 13, and the intake part 11 includes an outlet 111; a pressure relief valve 2, which is arranged in the pressure relief part 13; a superfluid device 3, which is arranged in the intake part 11, and the superfluid device 3 includes a flow stopper 31, and when the flow stopper 31 bears a fluid thrust exceeding the set value, it will block the outlet 111; a return device 4, which is arranged on the pressure relief valve 2, and the return device 4 includes a push rod 41, and when the push rod 41 is displaced by force, one end of it displaces towards the position where the flow stopper 31 blocks the outlet 111.

[0020] Continuing the above content to further elaborate on the implementation of the present invention, first, as Figure 4As presented, in this embodiment, the intake part 11 is installed on the gas storage device 6, and the outlet part 12 is connected to the pipeline 5. In the pressure relief valve 2 of the valve body 1 of the present invention, a return device 4 is additionally provided. The return device 4 includes a push rod 41. Generally speaking, when the thrust of the fluid flowing through the overflow device 3 exceeds the set value, the shut-off mechanism is activated, so that the flow stop member 31 blocks the air outlet 111, and thus the shut-off effect of the fluid can be completed. In this embodiment, the return device 4 is of the type that normally fixes the flow stop member 31 with a magnet 32. The aforementioned set value is determined by the magnetic force of the magnet 32. For example, Figure 5 As presented, when an accident occurs (for example, the pipeline 5 bursts), since the thrust of the fluid flowing through the flow stop member 31 will increase instantaneously, the magnet 32 cannot hold the flow stop member 31, so that the flow stop member 31 blocks the air outlet 111 to block the leakage of gas. Subsequently, as Figure 6 As presented, one end of the push rod 41 of the present invention corresponds to the position when the flow stop member 31 blocks the air outlet 111. Therefore, after the abnormality is eliminated (the pipeline 5 is repaired), as long as the push rod 41 is operated to push the flow stop member 31, the blocking of the flow stop member 31 can be released, so that the flow stop member 31 is adsorbed back to the magnet 32 to complete the return of the overflow device 3.

[0021] In summary, it can be known that when using the present invention, the user only needs to operate the return device 4 to release the block of the overflow device 3 on the fluid, without having to disassemble it from the gas storage device as in traditional products to release the block of the overflow device on the fluid. The present invention indeed improves the problems existing in traditional products and has novelty and progressiveness.

[0022] For example, Figures 1 to 6 As presented, an embodiment is provided in which a return device 4 is arranged in the pressure relief valve 2. There is a neck 14 between the intake part 11 and the pressure relief part 13. The neck 14 has a channel 141. The pressure relief valve 2 includes a stopper 21, an elastic member 22, and a valve member 23. The stopper 21 is fixed to the intake part 11 and includes a first through hole 211. The elastic member 22 is located between the stopper 21 and the valve member 23. The valve member 23 elastically abuts against the neck 14 and includes a second through hole 231. The push rod 41 passes through the first through hole 211, the second through hole 231, and the channel 141. The push rod 41 includes a rod body 411 and an operation button 412 connected to each other. A part of the rod body 411 passes through the second through hole 231 and the channel 141. A retaining rib 4111 is provided around the rod body 411. The retaining rib 4111 is located on the side of the valve member 23 facing the intake part 11. The retaining rib 4111 cannot pass through the second through hole 231. The operation button 412 passes through the first through hole 211. The return device 4 includes a spring 42. The spring 42 elastically abuts between the operation button 412 and the valve member 23.

[0023] Wherein the operation button 412 can be in the form of a horn, and this structure has a larger area than the end of the cylinder, facilitating the user to apply force for operation.

[0024] Furthermore, the part where the valve member 23 elastically abuts against the neck 14 is an elastic washer 232 to improve the sealing effect of the valve member 23.

[0025] Another example is Figure 7 As shown, when the internal pressure of the valve body 1 is too high, the valve member 23 will be displaced outward under pressure to disengage from the close contact with the neck 14, and the setting of the return device 4 does not affect the smooth operation of the pressure relief valve 2.

[0026] The above-described embodiments are only preferred embodiments given to fully illustrate the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are within the protection scope of the present invention. The protection scope of the present invention shall be subject to the claims.

Claims

1. A superflow valve with a return function, characterized in that, Comprising: A valve body, which includes an air inlet portion, an air outlet portion, and a pressure relief portion. The air inlet portion includes an air outlet; A pressure relief valve, which is disposed in the pressure relief portion; A superflow device, which is disposed in the air inlet portion. The superflow device includes a flow stopping member that blocks the air outlet when the fluid thrust exceeds a set value; A reset device, which is disposed in the pressure relief valve. The reset device includes a push rod. When the push rod is displaced by force, one end of it is displaced towards the position where the flow stopping member blocks the air outlet.

2. The superfluid valve with a return function as claimed in claim 1, wherein There is a neck between the air inlet portion and the pressure relief portion. The neck has a channel. The pressure relief valve includes a blocking member, an elastic member, and a valve member. The blocking member is fixed to the air inlet portion and includes a first through hole. The elastic member is located between the blocking member and the valve member. The valve member elastically abuts against the neck and includes a second through hole. The push rod passes through the first through hole, the second through hole, and the channel.

3. The superflow valve with a return function as claimed in claim 2, wherein The push rod includes a rod body and an operation button connected to each other. A part of the rod body passes through the second through hole and the channel. There is an anti - detachment rib around the rod body. The anti - detachment rib is located on the side of the valve member facing the air inlet portion and cannot pass through the second through hole. The operation button passes through the first through hole. The reset device includes a spring that elastically abuts between the operation button and the valve member.

4. The superfluid valve with a return function according to claim 3, characterized in that, The operation button presents the shape of a horn.

5. The superfluid valve with a return function according to claim 2, wherein, The part where the valve member elastically abuts against the neck is an elastic washer.

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