CN113483264B

CN113483264B - Anti-filling valve

Info

Publication number: CN113483264B
Application number: CN202110865784.4A
Authority: CN
Inventors: 张文材
Original assignee: JIAXING IDC PLUMBING & HEATING TECHNOLOGY Ltd
Current assignee: JIAXING IDC PLUMBING & HEATING TECHNOLOGY Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2023-12-08
Anticipated expiration: 2041-07-29
Also published as: CN113483264A

Abstract

The application relates to an anti-filling valve which comprises a valve body and a guide mechanism for limiting the flowing direction of gas, wherein the guide mechanism comprises an abutting ring coaxially arranged in the valve body, a baffle plate for opening and closing the abutting ring and an elastic piece for keeping the driving baffle plate abutting against the abutting ring, a driving piece for driving the baffle plate to be far away from the abutting ring is arranged in the valve body, one end of the driving piece is connected with the valve body, and the other end of the driving piece is connected with the baffle plate. According to the application, the flow direction of air flow at the openings at the two ends of the valve body is controlled by the guide mechanism and the driving mechanism, and when the air needs to be inflated, the charged air gun stretches into the valve to electrify the driving member, so that the opening of the inner cavity of the valve body is selective, and other air stations cannot inflate the air cylinder through the anti-inflation valve, thereby increasing the backflow of the air cylinder to be inflated.

Description

Anti-filling valve

Technical Field

The application relates to the technical field of gas cylinders, in particular to an anti-filling valve.

Background

In the gas industry, the transportation and use of gas generally requires the use of cylinders, and the cylinders can be continuously used by re-filling the cylinders at a gas station after the gas stored in the cylinders is used. When re-charging, the opening of the valve connected to the steel cylinder is connected with the charging gun, then the valve is opened to charge air into the steel cylinder by using the charging gun, and after the charging is completed, the valve is closed so that the gas cylinder can be used continuously.

In view of the above related art, the inventors consider that the above cylinders can be inflated at any gas station, and the revenue of the gas station is generally generated by re-inflating the cylinders, and at this time, the cylinders sold by the gas station cannot realize good backflow, thereby affecting the revenue of the gas station.

It is therefore necessary to propose a new solution to the above-mentioned problems.

Disclosure of Invention

In order to enable the fuel gas in the steel cylinder to flow back to a gas station selling the steel cylinder for recharging after the fuel gas is used up, the application provides an anti-charging valve.

The application provides an anti-filling valve, which adopts the following technical scheme:

the utility model provides a prevent filling valve, includes the valve body and is used for restricting the guiding mechanism of gaseous flow direction, guiding mechanism is including coaxial setting up in the internal butt ring of valve, opening and close the separation blade of butt ring and drive separation blade and the elastic component that the butt ring kept the butt, be provided with the drive separation blade in the valve body and keep away from the driving piece of butt ring, the one end and the valve body of driving piece are connected, the other end and the separation blade of driving piece are connected.

Through adopting above-mentioned technical scheme, utilize guiding mechanism and actuating mechanism control valve body both ends open-ended air current's flow direction, stretch into the valve with electrified rifle that inflates when needs are inflated in making the driving piece circular telegram to make the opening of valve body inner chamber have selectivity, other gas stations can't inflate the gas cylinder through preventing filling the valve, thereby increased the backward flow of waiting to inflate the gas cylinder.

Optionally: the driving piece is a muscle titanium wire.

Through adopting above-mentioned technical scheme, thereby muscle titanium wire shrink separates separation blade and butt ring under the state of circular telegram, realizes switching on of valve body, and it is more convenient to order about the structure that the separation blade removed this moment, utilizes muscle titanium wire simultaneously also to have reduced the probability of being broken under the condition of not being destroyed.

Optionally: the valve body is internally provided with a guide piece for guiding the movement of the baffle, the guide piece penetrates through the baffle and is connected with the valve body in a sliding manner, and one end, away from the valve body, of the muscle titanium wire is connected with one end, close to the elastic piece, of the guide piece.

Through adopting above-mentioned technical scheme, utilize the guide to guide the direction of movement of separation blade, make the separation blade can be stable seal the one end opening of butt ring.

Optionally: the valve body is internally provided with a fixing piece perpendicular to the axis of the valve body, and one end, far away from the guide piece, of the driving piece is connected with the fixing piece.

Through adopting above-mentioned technical scheme, utilize the mounting to connect muscle titanium silk in the valve body, make muscle titanium silk in the position in the valve body be difficult for because of the too big and can't communicate with the rifle that aerifys of change, make the process of aerifing of gas cylinder be difficult for receiving the influence.

Optionally: the mounting is provided with the coupling mechanism of being connected its with the driving piece, coupling mechanism is including inlaying connecting piece and the coaxial threaded connection in the mounting of locating in the mounting, the holding tank has been seted up to the mounting upper end, the hole of stepping down with the holding tank intercommunication has still been seted up to the mounting lower extreme, the width of the hole of stepping down is greater than the width of holding tank, the connecting piece inlays and locates in the holding tank, the driving piece wears to locate the hole of stepping down and winds in the connecting piece, the connecting piece outer wall butt of locating in the holding tank can be with inlaying to the locating part inner wall.

Through adopting above-mentioned technical scheme, coil muscle titanium silk on the connecting piece, when muscle titanium silk is electrified and produce the shrink this moment, the joint strength of muscle titanium silk and connecting piece obtains promoting, and muscle titanium silk is difficult for coming off from the connecting piece to make the removal of separation blade be difficult for receiving the influence.

Optionally: the upper end of the connecting piece is provided with a conductive block which can be abutted with an external conductive port, and the conductive block is communicated with the connecting piece.

Through adopting above-mentioned technical scheme, through setting up the conducting block with muscle titanium silk and charged rifle of aerifing, the connection stability between charged rifle of aerifing and the muscle titanium silk is difficult for changing because of the shrink of muscle titanium silk this moment to make the inflated process be difficult for receiving the influence.

Optionally: the side wall of the connecting piece is in threaded connection with a fastener for fastening one end of the driving piece, and one end of the driving piece is arranged between the fastener and the connecting piece.

Through adopting above-mentioned technical scheme, utilize the fastener to connect the muscle titanium silk in the one end of connecting piece fixed, make the one end of muscle titanium silk can not receive the unable second of restriction to drop from the connecting piece.

Optionally: the side wall of the fastener, which is close to the connecting piece, is fixed with a flexible pad, and the side wall of the flexible pad, which is close to the connecting piece, can be abutted with the driving piece.

Through adopting above-mentioned technical scheme, utilize flexible pad with muscle titanium silk butt in the connecting piece surface, when muscle titanium silk circular telegram and produce the shrink, flexible pad resumes deformation and still can be with muscle titanium silk butt in the connecting piece surface, make the connection of muscle titanium silk and connecting piece more stable.

Optionally: the surface cladding that the connecting piece was kept away from to the fastener has the filling layer, the filling layer seals the clearance between fastener and the connecting piece, the filling layer is worn to locate by the driving piece, muscle titanium silk, mounting and connecting piece surface are provided with the aerogel layer jointly, the contact position of muscle titanium silk, mounting and connecting piece leaves the clearance that is not filled by the aerogel layer, the conducting block wears to locate the aerogel layer.

By adopting the technical scheme, the gas can not directly contact with the flexible pad by using the filling layer, so that the flexible pad is not easy to dissolve in the gas.

Drawings

FIG. 1 is a schematic structural view of an embodiment of an anti-fill valve of the present application;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure, 1, a valve body; 11. a fixing member; 111. a receiving groove; 112. a relief hole; 12. an isolation layer; 2. a guide mechanism; 21. an abutment ring; 22. a baffle; 23. an elastic member; 24. an extension block; 25. a guide member; 3. A driving member; 5. A connecting mechanism; 51. a connecting piece; 52. a limiting piece; 53. a fastener; 54. a flexible pad; 55. a filling layer; 56. and a conductive block.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

The application discloses an anti-filling valve, as shown in fig. 1, which comprises a valve body 1 with openings at two ends and a guide mechanism 2 for guiding the flowing direction of fluid in the valve body 1, wherein the guide mechanism 2 comprises an abutting ring 21 with openings at two ends, a baffle 22 for opening and closing one end of the abutting ring 21 and an elastic piece 23 for driving the baffle 22 to keep abutting with the opening of the abutting ring 21, and one end of the abutting ring 21 far away from the valve body 1 faces towards a gas cylinder. The abutment ring 21 is provided with openings at two ends, one end of the abutment ring is inserted into the valve body 1 and is in threaded connection with the valve body 1, and the baffle 22 is abutted against one end of the guide ring inserted into the valve body 1. The abutting ring 21 and the inner cavity of the valve body 1 are respectively integrally formed with an extending block 24, both ends of the baffle 22 are coaxially integrally formed with guide pieces 25, and the guide pieces 25 at both ends are respectively penetrated through one extending block 24 and are slidably connected with the extending block 24. The elastic member 23 is a spring, one end of which abuts against one end of the retainer 22 away from the abutment ring 21, and the other end of which abuts against an end face of the extension block 24 located in the valve body 1, which is close to the abutment ring 21, and the retainer 22 applies a force to the retainer 22, which is close to the abutment ring 21, so that the opening of the abutment ring 21 can be closed by the retainer 22.

As shown in fig. 1 and 2, the valve body 1 is further connected with a driving member 3 for enabling the baffle 22 to be far away from the abutting ring 21 so as to open the opening of the abutting ring 21, the driving member 3 is made of muscle titanium wires, one end of the driving member 3 is welded and fixed with the guiding member 25, the other end of the driving member 3 is connected with the valve body 1, and the muscle titanium wires can be electrically connected with an electrified inflation gun inserted into the valve body 1. When the valve body is inflated, the inflation gun with the electric wire is inserted into the valve body, so that the electrified electric wire is conducted with the muscle titanium wire, and at the moment, the muscle titanium wire contracts in an electrified state to separate the baffle piece 22 from the abutting ring 21, so that the inflation process is not easy to influence.

As shown in fig. 2, a fixing member 11 perpendicular to the axis of the valve body 1 is welded to the position of the inner cavity of the valve body 1 away from the abutting ring 21, the axis of the fixing member 11 intersects with the axis of the valve body 1, the muscle titanium wire is connected with the fixing member 11, the position of the muscle titanium wire and the valve body 1 is limited by the fixing member 11, and at the moment, when the inflation gun is inserted into a preset position in the valve body 1, the electric wire of the inflation gun can be fixedly abutted with the muscle titanium wire, so that the inflation process is not easily influenced.

As shown in fig. 2, the fixing element 11 is further provided with a connection mechanism 5 for connecting the fixing element 11 with a muscle titanium wire, the connection mechanism 5 comprises a connection element 51 embedded in the fixing element 11 and two limiting elements 52 for limiting the position of the connection element 51, and the two limiting elements 52 are both sleeved on the fixing element 11 and are in threaded connection with the fixing element 11. The side wall of the fixing piece 11 far away from the abutting ring 21 is provided with an accommodating groove 111 parallel to the axis of the accommodating groove, the side wall of the fixing piece 11 close to the abutting ring 21 is also provided with a yielding hole 112 communicated with the accommodating groove 111, and the width of the yielding hole 112 is larger than that of the accommodating groove 111. The connecting piece 51 is embedded in the accommodating groove 111, the muscle titanium wire passes through the abdication hole 112 and is wound on the outer wall of the connecting piece 51, the outer wall of the connecting piece 51 embedded in the accommodating groove 111 can be abutted against the inner wall of the limiting piece 52, and the position of the connecting piece 51 is limited. The muscle titanium wire is conducted with the electrified fixing piece 11 by the connecting piece 51, and when the muscle titanium wire is electrified to shrink, the connection strength between the muscle titanium wire and the connecting piece 51 is higher, so that the muscle titanium wire is not easy to separate from the connecting piece 51.

As shown in fig. 2, since the muscular titanium wire is directly wound around the connecting member 51, the end of the muscular titanium wire, which is close to the connecting member 51, is not limited, and thus the muscular titanium wire is still easily separated from the connecting member 51. Therefore, the side wall of the connecting piece 51 is in threaded connection with the fastening piece 53, one end of the muscle titanium wire is arranged between the fastening piece 53 and the connecting piece 51, and one end of the muscle titanium wire is clamped by the fastening piece 53 and the connecting piece 51, so that the muscle titanium wire is not easy to fall off from the connecting piece 51.

As shown in fig. 2, the side wall of the fastener 53 close to the connecting piece 51 is further adhered with a flexible pad 54, the flexible pad 54 is made of rubber, the side wall of the flexible pad 54 close to the connecting piece 51 can be abutted against the driving piece 3, and at this time, when the muscle titanium wire is electrified to shrink, the flexible pad 54 is deformed in a recovery manner, so that the muscle titanium wire can still be abutted against the surface of the connecting piece 51.

As shown in fig. 2, the side wall of the connecting piece 51, which is close to the upper end opening of the valve body 1, is integrally formed with a conductive block 56, the conductive block 56 is conducted with the connecting piece 51, the conductive block 56 can be abutted against the inner wall of the yielding hole 112, at this time, when the charged charging gun is inserted into the valve body 1, the charging part of the charging gun is directly abutted against the conductive block 56, so that the charging part of the charging gun is conducted with the muscle titanium wire, and at this time, the situation that the muscle titanium wire contracts to separate from the charging part of the charging gun is not easy to occur, so that the charging process is more stable.

As shown in fig. 2, since the rubber pad made of rubber is dissolved in natural gas, the surface of the fastener 53 far away from the connecting piece 51 is coated with the filling layer 55, the filling layer 55 is formed by solidifying acrylate glue, the filling layer 55 seals the gap between the fastener 53 and the connecting piece 51, and the muscle titanium wires penetrate through the filling layer 55, and at this time, the flexible pad 54 is isolated from the natural gas by the filling layer 55, so that the flexible layer is not easy to dissolve, and the use of the flexible pad 54 is not easy to be affected.

The aerogel layer is commonly arranged on the surfaces of the muscle titanium wires, the fixing piece 11 and the connecting piece 51, gaps which are not filled by the aerogel layer are reserved at the contact positions of the muscle titanium wires, the fixing piece 11 and the connecting piece 51, and the conductive blocks 56 penetrate through the aerogel layer. At the moment, heat generated by energizing the muscle titanium wires can not be transferred to fuel gas in the valve body 1, so that the danger is not easy to generate in the inflation process.

The implementation principle of the embodiment is as follows: when the valve body 1 is inflated, the charged inflation gun is inserted into the valve body 1, the charged part of the inflation gun is abutted against the conductive block 56, at the moment, the muscle titanium wires are conducted to the conductive part through the conductive block 56 and the connecting piece 51, at the moment, the muscle titanium wires are electrified, and the muscle titanium wires shrink in the electrified state so as to separate the baffle piece 22 from the abutting ring 21, so that the conduction of the two ends of the valve body 1 is realized.

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

Claims

1. An anti-filling valve, which is characterized in that: the valve comprises a valve body (1) and a guide mechanism (2) for limiting the flow direction of gas, wherein the guide mechanism (2) comprises an abutting ring (21) coaxially arranged in the valve body (1), a baffle plate (22) for opening and closing the abutting ring (21) and an elastic piece (23) for keeping the driving baffle plate (22) abutted against the abutting ring (21), a driving piece (3) for driving the baffle plate (22) away from the abutting ring (21) is arranged in the valve body (1), one end of the driving piece (3) is connected with the valve body (1), and the other end of the driving piece (3) is connected with the baffle plate (22); the driving piece (3) is a muscle titanium wire which can be electrically connected with an electrified inflation gun inserted into the valve body; a guide piece (25) for guiding the movement of the baffle plate (22) is arranged in the valve body (1), the guide piece (25) penetrates through the baffle plate (22) and is connected with the valve body (1) in a sliding manner, and one end of the muscle titanium wire, which is far away from the valve body (1), is connected with one end of the guide piece (25), which is close to the elastic piece (23); a fixing piece (11) perpendicular to the axis of the valve body (1) is arranged in the valve body, and one end of the driving piece (3) far away from the guide piece (25) is connected with the fixing piece (11); the utility model provides a connecting mechanism (5) that mounting (11) are provided with it and driving piece (3) to be connected, connecting mechanism (5) are including inlaying connecting piece (51) and coaxial threaded connection in mounting (11), holding tank (111) have been seted up to mounting (11) upper end, holding tank (111) intercommunication's hole (112) of stepping down has still been seted up to mounting (11) lower extreme, the width of stepping down hole (112) is greater than the width of holding tank (111), connecting piece (51) are inlayed and are located in holding tank (111), driving piece (3) wear to locate to step down hole (112) and coil in connecting piece (51), connecting piece (51) outer wall butt in holding tank (111) are inlayed in to limiting piece (52) inner wall.

2. An anti-fill valve as defined in claim 1, wherein: the upper end of the connecting piece is provided with a conductive block which can be abutted with an external conductive port, and the conductive block is communicated with the connecting piece.

3. An anti-fill valve as defined in claim 2, wherein: the side wall of the connecting piece (51) is in threaded connection with a fastener (53) for fastening one end of the driving piece (3), and one end of the driving piece (3) is arranged between the fastener (53) and the connecting piece (51).

4. A filling-proof valve according to claim 3, wherein: the side wall of the fastener (53) close to the connecting piece (51) is fixedly provided with a flexible pad (54), and the side wall of the flexible pad (54) close to the connecting piece (51) can be abutted with the driving piece (3).

5. An anti-fill valve as defined in claim 4, wherein: the surface cladding that connecting piece (51) was kept away from to fastener (53) has filling layer (55), filling layer (55) seals the clearance between fastener (53) and connecting piece (51), filling layer (55) are worn to locate by driving piece (3), muscle titanium silk, mounting (11) and connecting piece (51) surface are provided with the aerogel layer jointly, the clearance that is not filled by the aerogel layer is left to the contact position of muscle titanium silk, mounting (11) and connecting piece (51), the conducting block wears to locate the aerogel layer.