CN216046867U

CN216046867U - Valve anti-dismantling structure and liquefied gas cylinder

Info

Publication number: CN216046867U
Application number: CN202122411222.0U
Authority: CN
Inventors: 李斌; 龙明录
Original assignee: Shenzhen Lanyang Technology Co ltd
Current assignee: Shenzhen Lanyang Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-15
Anticipated expiration: 2031-09-30

Abstract

The application belongs to the technical field of valves and provides a valve anti-disassembly structure and a liquefied gas cylinder, wherein the valve anti-disassembly structure comprises a valve body, a sleeve and an anti-disassembly assembly, mounting holes are formed in the side wall of the valve body, the number of the mounting holes is two, the two mounting holes are arranged oppositely, two ends of the sleeve are respectively arranged in the two mounting holes in a penetrating mode and are connected with the side wall of the valve body in a sealing mode and used for mounting the anti-disassembly assembly; the liquefied gas cylinder comprises an angle valve, a cylinder body and a valve anti-dismounting structure, the liquid inlet end of the angle valve is detachably connected to the opening of the cylinder body, the valve anti-dismounting structure is arranged in the cylinder body, and the liquid outlet end of the valve body is hermetically connected to the liquid inlet end of the angle valve. The application provides a structure is prevented tearing open by valve has adopted the sleeve to seal the mounting hole on the valve body for the gaseous liquefied gas outside the valve body can't get into in the valve body through the gap between mounting hole or mounting hole and the sleeve, thereby has solved the valve and has prevented tearing open the technical problem that structural mounting hole can leak gas, has promoted the leakproofness of structure is prevented tearing open by the valve.

Description

Valve anti-dismantling structure and liquefied gas cylinder

Technical Field

The application belongs to the technical field of valves, and more specifically relates to a structure and liquefied gas bottle are prevented tearing open by valve.

Background

Liquefied gas is a common fuel in households, and is generally filled in liquefied gas cylinders. At present, in the industry of filling liquefied gas in China, a plurality of irregular filling points are in business, the filling quality of the filling points is not good, the technology cannot meet the national requirements, diversity and complexity exist in an air source channel, the quality of the liquefied gas is difficult to guarantee, and great potential safety hazards exist. In order to prevent the disassembly and the theft, the normal liquefied gas steel cylinder on the market is usually provided with an anti-disassembly assembly, and the anti-disassembly assembly is generally arranged at the bottom of the gas valve.

At present, a liquid-phase liquefied gas cylinder exists on the market, and the use requirement of the liquid-phase liquefied gas cylinder is that the liquefied gas output from a valve is necessarily in a liquid state. However, the valve needs to be provided with a mounting hole for mounting the anti-tamper assembly, so that the liquefied gas in the liquefied gas cylinder, which has been converted into a gaseous state, can easily enter the valve through the mounting hole and leak outwards, and the liquefied gas cylinder in a liquid phase cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a structure and liquefied gas bottle are prevented tearing open by valve, including but not limited to the technical problem that the mounting hole that solves the structural structure is prevented tearing open by valve can leak gas.

For realizing above-mentioned purpose, the technical scheme that this application adopted is a structure is prevented tearing open by valve, including the valve body, the mounting hole has been seted up on the lateral wall of valve body, the quantity of mounting hole is two, two the mounting hole sets up relatively, the structure is prevented tearing open by valve still includes:

the two ends of the sleeve penetrate through the two mounting holes respectively and are connected with the side wall of the valve body in a sealing mode, and the sleeve is used for installing the anti-dismantling assembly.

The application provides a structure is prevented tearing open by valve has adopted the sleeve to seal the mounting hole on the valve body for gaseous liquefied gas outside the valve body can't get into in the valve body through the gap between mounting hole or mounting hole and the sleeve, thereby has solved the valve effectively and has prevented tearing open the technical problem that structural mounting hole can leak gas, has promoted the leakproofness of structure is prevented tearing open by the valve, has ensured that the valve accords with the operation requirement of the liquefied gas cylinder of liquid phase.

In one embodiment, the inner wall of the first end of the sleeve is provided with a step, and the tamper assembly comprises:

the first end of the anti-disassembly pin extends into the sleeve, and the second end of the anti-disassembly pin protrudes out of the valve body;

the fusible piece is connected to the first end of the anti-disassembly pin and is abutted against the step to prevent the anti-disassembly pin from being separated from the sleeve;

a blocking member blocking the second end of the sleeve; and

the elastic piece is compressed in the sleeve, and two ends of the elastic piece are respectively abutted with the first end of the anti-disassembly pin and the blocking piece

Thereby realize the valve and prevent tearing open the function of preventing tearing open of structure.

In one embodiment, a groove extending along the circumferential direction of the anti-disassembly pin is formed in the first end of the anti-disassembly pin, and a part of the fusible piece is embedded in the groove.

Therefore, the anti-dismantling pin is limited on the sleeve, and the anti-dismantling pin is prevented from being separated from the sleeve.

In one embodiment, the stop is threaded or seal welded or riveted to the second end of the sleeve.

Thereby realizing that the blocking piece is fixedly connected with the second end of the sleeve.

In one embodiment, the resilient member is a compression spring.

So that the tamper pin can be provided with a pushing force transmitted in a direction away from the blocking member.

In one embodiment, the outer walls of the two ends of the sleeve are provided with any one of a sealant, a sealing ring and a raw material tape.

Thereby can enough realize sleeve and valve body fastening connection, can realize again sealing the gap between the pore wall of the outer wall of sleeve and mounting hole, ensure the leakproofness of valve body.

In one embodiment, both ends of the sleeve are hermetically welded or screwed with the side wall of the valve body.

In one embodiment, the valve tamper structure further comprises:

and the liquid guide pipe is connected to the liquid inlet end of the valve body and is used for extending into the bottom of the liquefied gas cylinder.

Thereby ensuring that the liquefied gas output by the valve anti-disassembly structure is liquid liquefied gas.

In one embodiment, the valve tamper structure further comprises:

and one end of the sealing joint is hermetically connected with one end of the liquid guide pipe, and the other end of the sealing joint is hermetically connected to the liquid inlet end of the valve body.

Thereby realizing the sealing connection of the liquid guide pipe on the liquid inlet end of the valve body.

The application still provides a liquefied gas bottle, prevent tearing open structure including angle valve, bottle and foretell valve, the feed liquor end of angle valve can dismantle connect in the opening part of bottle, the structure is prevented tearing open by the valve is located in the bottle, just the play liquid end sealing connection of the valve body of structure is prevented tearing open by the valve in the feed liquor of angle valve is served.

The application provides a liquefied gas bottle has adopted the valve to prevent tearing open structure and the cooperation of angle valve, prevents tearing open structurally at the valve, seals the mounting hole on the valve body through the sleeve for the liquefied gas of the gaseous state outside the valve body can't get into in the valve body through the gap between mounting hole or mounting hole and the sleeve, thereby has solved the valve effectively and has prevented tearing open the technical problem that structural mounting hole can leak gas, has promoted the valve and has prevented tearing open the leakproofness of structure, has ensured that liquefied gas bottle accords with operation requirement.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic longitudinal sectional view of a valve tamper structure provided in an embodiment of the present application;

FIG. 2 is an exploded schematic view of FIG. 1;

fig. 3 is a schematic longitudinal sectional view of a liquefied gas cylinder provided in an embodiment of the present application.

The figures are numbered:

1-liquefied gas cylinder, 10-valve anti-disassembly structure, 20-angle valve, 30-bottle body, 11-valve body, 12-sleeve, 13-anti-disassembly component, 14-liquid guide pipe, 15-sealing joint, 110-mounting hole, 111-liquid inlet end of valve body, 112-liquid outlet end of valve body, 120-step, 131-anti-disassembly pin, 132-fusible piece, 133-blocking piece, 134-elastic piece and 1310-groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that: when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected" to another element, it can be directly or indirectly connected to the other element. The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience of description only and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and therefore are not to be construed as limiting the patent, the particular meaning of which terms will be understood by those skilled in the art as appropriate. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, the present application provides a valve tamper-evident structure 10, where the valve tamper-evident structure 10 includes a valve body 11, a sleeve 12, and a tamper assembly 13; the side wall of the valve body 11 is provided with two mounting holes 110, and the two mounting holes 110 are arranged oppositely; the sleeve 12 is used for installing the anti-dismantling component 13, two ends of the sleeve 12 are respectively arranged in the two installation holes 110 in a penetrating mode, and two ends of the sleeve 12 are connected with the side wall of the valve body 11 in a sealing mode.

Specifically, referring to fig. 3, the valve of the liquid-phase liquefied gas cylinder 1 includes a valve anti-disassembly structure 10 and an angle valve 20, wherein the valve anti-disassembly structure 10 is connected to the liquid inlet end of the angle valve 20 and is used for delivering liquid liquefied gas to the angle valve 20; the mounting hole 110 penetrates through the side wall of the valve body 11 of the valve anti-disassembly structure 10, the axis of the mounting hole 110 is perpendicular or approximately perpendicular to the axis of the valve body 11, and the axes of the two mounting holes 110 are on the same straight line; the sleeve 12 is in a straight tube shape, the anti-disassembly assembly 13 is installed in the sleeve 12, two ends of the sleeve 12 extend into the two installation holes 110, and the outer wall of the sleeve 12 is in sealing connection with the hole walls of the two installation holes 110, so that the two installation holes 110 are closed.

The structure 10 is prevented tearing open by valve that this embodiment provided has adopted sleeve 12 to seal mounting hole 110 on the valve body 11 for gaseous liquefied gas outside the valve body 11 can't get into in the valve body 11 through mounting hole 110 or the gap between mounting hole 110 and the sleeve 12, thereby has solved the technical problem that the structural mounting hole of valve is prevented tearing open can leak gas effectively, has promoted the leakproofness of structure 10 is prevented tearing open by the valve, has ensured that the valve accords with the operation requirement of the liquefied gas cylinder of liquid phase.

Alternatively, as a specific example of the valve anti-disassembly structure provided by the present application, the outer walls of the two ends of the sleeve 12 are coated with a sealant. The outer wall of the sleeve 12 is adhered to the hole wall of the mounting hole 110 through the sealant, so that the sleeve 12 and the valve body 11 can be fastened and connected, a gap between the outer wall of the sleeve 12 and the hole wall of the mounting hole 110 can be sealed, and the sealing performance of the valve body 11 is ensured.

Optionally, as a specific embodiment of the valve anti-detachment structure provided in the present application, a sealing ring is sleeved on the outer wall of each of the two ends of the sleeve 12. The interference fit between the outer wall of the sleeve 12 and the hole wall of the mounting hole 110 is realized through the sealing ring, so that the sleeve 12 and the valve body 11 can be fastened and connected, a gap between the outer wall of the sleeve 12 and the hole wall of the mounting hole 110 can be sealed, and the sealing performance of the valve body 11 is ensured.

Alternatively, as a specific example of the valve tamper-proof structure provided by the present application, a raw material tape is wound on the outer walls of both ends of the sleeve 12. The interference fit of the outer wall of the sleeve 12 and the hole wall of the mounting hole 110 is realized through the thread seal tape, so that the sleeve 12 and the valve body 11 can be fastened and connected, a gap between the outer wall of the sleeve 12 and the hole wall of the mounting hole 110 can be sealed, and the sealing performance of the valve body 11 is ensured.

Alternatively, as a specific example of the valve tamper-proof structure provided by the present application, both ends of the sleeve 12 are hermetically welded to the side walls of the valve body 11. Namely, the sleeve 12 is welded on the valve body 11 through the seal welding process, so that the sleeve 12 and the valve body 11 can be tightly connected, a gap between the outer wall of the sleeve 12 and the hole wall of the mounting hole 110 can be sealed, and the sealing performance of the valve body 11 is ensured.

Alternatively, as a specific example of the valve detachment preventing structure provided by the present application, both ends of the sleeve 12 are threadedly coupled to the side walls of the valve body 11. The external screw thread has been seted up on the outer wall at the both ends of sleeve 12 promptly, has seted up the internal thread simultaneously on the pore wall of mounting hole 110, fixes sleeve 12 on valve body 11 through this external screw thread and internal thread threaded connection, can enough realize sleeve 12 and valve body 11 fastening connection, can realize again that the gap between the outer wall of sleeve 12 and the pore wall of mounting hole 110 is sealed, has ensured the leakproofness of valve body 11.

Optionally, referring to fig. 1 and fig. 2, as a specific example of the valve anti-disassembly structure provided by the present application, a step 120 is disposed on an inner wall of a first end of a sleeve 12, and an anti-disassembly assembly 13 includes an anti-disassembly pin 131, a fusible member 132, a blocking member 133, and an elastic member 134, wherein the first end of the anti-disassembly pin 131 extends into the sleeve 12, and a second end of the anti-disassembly pin 131 protrudes out of the valve body 11; the fusible member 132 is attached to the first end of the tamper pin 131, and the fusible member 132 abuts against the step 120 to prevent the tamper pin 131 from being detached from the sleeve 12; the stop 133 closes off the second end of the sleeve 12; the elastic member 134 is compressed in the sleeve 12, and both ends of the elastic member 134 abut against the first end of the tamper-proof pin 131 and the stopper 133, respectively. Thereby realizing the disassembly prevention function of the valve disassembly prevention structure 10. Specifically, the anti-detachment pin 131 is in a column shape, and the second end of the anti-detachment pin 131 extending out of the valve body 11 is clamped at the bottle mouth, so that the valve can be prevented from being separated from the bottle body 30 (see fig. 3), and the anti-detachment effect is achieved; the fusible member 132 is made of alloy with a low melting point, and heat can be transferred to the fusible member 132 by heating the valve to melt the fusible member 132, in this embodiment, the fusible member 132 is fixed on the first end of the anti-detachment pin 131, and protrudes in the radial direction of the anti-detachment pin 131 to abut against the step 120 on the inner wall of the first end of the sleeve 12, so that the first end of the anti-detachment pin 131 is clamped in the sleeve 12, and only after the fusible member 132 is melted, the anti-detachment pin 131 can withdraw from the sleeve 12 under the elastic force of the elastic member 134, so that the valve can be smoothly separated from the bottle body 30; the elastic member 134 is preferably a compression spring capable of providing the detachment prevention pin 131 with a pushing force transmitted in a direction away from the blocking member 133, ensuring that the detachment prevention pin 131 can be automatically withdrawn from the sleeve 12 after the fusible member 132 is melted; the blocking member 133 pushes against the elastic member 134 while covering the second end of the sleeve 12, so as to apply a certain pre-load to the elastic member 134, so that the elastic member 134 is accommodated in the sleeve 12 in a compressed state.

Optionally, referring to fig. 2, as an embodiment of the valve anti-detachment structure provided by the present application, a groove 1310 extending along a circumferential direction of the anti-detachment pin 131 is formed on the first end of the anti-detachment pin 131, and a part of the fusible member 132 is embedded in the groove 1310. Specifically, the fusible element 132 mounted on the anti-detachment pin 131 is annular or C-shaped, extends along the length direction of the groove 1310, the bottom of the fusible element 132 is embedded in the groove 1310, the top of the fusible element 132 protrudes on the side wall of the anti-detachment pin 131, and abuts against the step 120 on the inner wall of the first end of the sleeve 12, so that the anti-detachment pin 131 is limited on the sleeve 12, and the anti-detachment pin 131 is prevented from being separated from the sleeve 12.

Alternatively, as a specific example of the valve tamper-proof structure provided herein, the blocking member 133 is screwed or seal-welded or riveted with the second end of the sleeve 12. When the blocking member 133 is in threaded connection with the second end of the sleeve 12, an internal thread is formed on the inner wall of the second end of the sleeve 12, an external thread is formed on the side wall of the blocking member 133, and the blocking member 133 is fixed on the second end of the sleeve 12 through the threaded connection between the external thread and the internal thread, in this case, the blocking member 133 is preferably a stud with a small axial length; when the stop member 133 is hermetically welded to the second end of the sleeve 12, the stop member 133 covers the opening at the second end of the sleeve 12 or at least partially extends into the opening at the second end of the sleeve 12, and then the stop member 133 is fixed to the second end of the sleeve 12 by the hermetic welding process; when the stop 133 is riveted to the second end of the sleeve 12, the stop 133 is inserted into the opening of the second end of the sleeve 12 and is in interference fit with the sleeve 12, thereby being fixed to the second end of the sleeve 12.

Alternatively, referring to fig. 1 to 3, as an embodiment of the valve detachment preventing structure provided by the present application, the valve detachment preventing structure 10 further includes a liquid guiding pipe 14, and the liquid guiding pipe 14 is connected to the liquid inlet end of the valve body 11 and is used for extending into the bottom of the liquefied gas cylinder 1. Specifically, since a part of the liquefied gas filled in the liquefied gas cylinder 1 is gasified, the part of the liquefied gas in the gaseous state is suspended on the top side of the liquefied gas in the liquid state, in order to ensure that the liquefied gas output by the valve anti-disassembly structure 10 is the liquefied gas in the liquid state, one end of the liquid guide pipe 14 far away from the valve body 11 needs to extend below the liquid level of the liquefied gas in the liquid state; and the end of the liquid guide pipe 14 far away from the valve body 11 extends into the bottom of the liquefied gas cylinder 1, so that the liquefied gas output by the valve anti-disassembly structure 10 is ensured to be liquid liquefied gas.

Optionally, referring to fig. 1 and fig. 2, as an embodiment of the valve anti-tamper structure provided by the present application, the valve anti-tamper structure 10 further includes a sealing joint 15, one end of the sealing joint 15 is hermetically connected to one end of the liquid guide tube 14, and the other end of the sealing joint 15 is hermetically connected to the liquid inlet end of the valve body 11. Specifically, the sealing joint 15 is communicated with the valve body 11 and the liquid guide tube 14, one end of the sealing joint 15 is in sealing connection with one end of the liquid guide tube 14 through a sealing welding process, and one end of the sealing joint 15 is in sealing connection with the liquid inlet end of the valve body 11 through threads, so that the liquid guide tube 14 is in sealing connection with the liquid inlet end of the valve body 11.

Referring to fig. 3, the present application further provides a liquefied gas cylinder 1, which includes an angle valve 20, a cylinder 30 and the valve anti-detaching structure 10 provided in the above embodiment, wherein a liquid inlet end of the angle valve 20 is detachably connected to an opening of the cylinder 30, the valve anti-detaching structure 10 is disposed in the cylinder 30, and a liquid outlet end of a valve body 11 of the valve anti-detaching structure 10 is hermetically connected to the liquid inlet end of the angle valve 20. Specifically, the angle valve 20 is fastened to the valve anti-disassembly structure 10 to form a valve, a hand wheel and a liquid outlet end of the angle valve 20 are exposed outside the bottle body 30, and a liquid inlet end of the angle valve 20 is screwed to an opening of the bottle body 30 to close the opening.

The application provides a liquefied gas bottle 1, adopted the valve to prevent tearing open structure 10 and the cooperation of angle valve 20, on the valve prevents tearing open structure 10, mounting hole 110 through sleeve 12 on with valve body 11 seals, make the liquefied gas of the outer gaseous state of valve body 11 can't get into in the valve body 11 through mounting hole 110 or the gap between mounting hole 110 and the sleeve 12, thereby the technical problem that the structural mounting hole of valve prevents tearing open can leak gas has been solved effectively, the leakproofness of structure 10 is prevented tearing open to the valve has been promoted, liquefied gas bottle 1 has been ensured to accord with operation requirement.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a structure is prevented tearing open by valve, includes the valve body, the mounting hole has been seted up on the lateral wall of valve body, its characterized in that, the quantity of mounting hole is two, two the mounting hole sets up relatively, the structure is prevented tearing open by valve still includes:

2. The valve tamper structure of claim 1, wherein the first end of the sleeve has a step on an inner wall thereof, and the tamper assembly comprises:

a blocking member blocking the second end of the sleeve; and

and the elastic piece is compressed in the sleeve, and two ends of the elastic piece are respectively abutted with the first end of the anti-disassembly pin and the blocking piece.

3. The valve removal preventing structure according to claim 2, wherein a groove extending in a circumferential direction of the removal preventing pin is formed in the first end of the removal preventing pin, and a part of the fusible member is embedded in the groove.

4. The valve tamper structure of claim 2, wherein the blocking member is threaded or seal welded or riveted to the second end of the sleeve.

5. The valve tamper structure of claim 2, wherein the elastic member is a compression spring.

6. The valve removal preventing structure of claim 1, wherein the outer walls of both ends of the sleeve are provided with any one of a sealant, a sealing ring and a raw material tape.

7. The valve tamper structure of claim 1, wherein both ends of the sleeve are hermetically welded or screwed to the side walls of the valve body.

8. The valve removal preventing structure according to any one of claims 1 to 7, further comprising:

9. The valve tamper structure of claim 8, further comprising:

10. A liquefied gas cylinder, comprising an angle valve, a cylinder body and a valve anti-disassembly structure according to any one of claims 1 to 9, wherein the liquid inlet end of the angle valve is detachably connected to the opening of the cylinder body, the valve anti-disassembly structure is arranged in the cylinder body, and the liquid outlet end of the valve body of the valve anti-disassembly structure is hermetically connected to the liquid inlet end of the angle valve.