CN217978360U

CN217978360U - A prevent dismounting device for liquefied gas cylinder intelligence

Info

Publication number: CN217978360U
Application number: CN202221911124.1U
Authority: CN
Inventors: 张先春; 李洪安
Original assignee: Wuxi Jinrui Machine Manufacturing Co ltd
Current assignee: Wuxi Jinrui Machine Manufacturing Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-06
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to the technical field of valves, in particular to an intelligent anti-disassembly device for a liquefied gas cylinder, which comprises an anti-disassembly cylinder body, wherein the top end of the anti-disassembly cylinder body is provided with a through hole; a piston is connected in the second through hole in a sliding manner; inclined holes are formed in the two sides of the anti-dismantling cylinder; the inclined holes are internally and slidably connected with clamping columns; pull ropes are fixedly connected to the bottom ends of the two grooves close to one side; the bottom end of the anti-dismantling cylinder is fixedly connected with a limiting block with a through opening through an opening; a second spring is fixedly connected between the limiting block and the piston; the utility model discloses an install in the steel bottle disk seat in cooperation intelligence limit for filling valve, under the user state, prevent tearing open the effect that two card posts on the cylinder partly expose and realize blockking in the outside, can't be dismantled, only through the inflation operation back of formal authentication, just can make card post get into in the inclined hole through the gaseous promotion piston that fills the subassembly now in the intelligence limit for filling valve, then can communicate intelligence limit for filling valve and be extracted together.

Description

A prevent dismounting device for liquefied gas cylinder intelligence

Technical Field

The utility model relates to the technical field of valves, specifically a prevent dismounting device for liquefied gas cylinder intelligence.

Background

Nowadays, every household is distributed with bottled liquefied gas, which is used as a main gas supply source of a household cooker and plays an indispensable role in daily life of people.

In order to prevent the situations of the steel cylinder (and valve) of overdue service, illegal filling and the like from occurring, the research and development results of an intelligent limit filling valve related to a liquefied gas cylinder are provided, a driving assembly and a limit filling assembly which are matched with each other are arranged in the valve, the valve can be opened only by matching with a matched valve opening tool, fixed-point filling and special bottle special use are realized, an RFID chip is also arranged in the limit filling valve to intelligently manage the steel cylinder, and the situations of the steel cylinder overdue service, the non-system steel cylinder wrong filling and the like are prevented from occurring.

In the prior art, all liquefied gas cylinders used by people at present are welded steel cylinders manufactured according to national standard requirements, a steel cylinder valve seat is welded at the upper end of each steel cylinder, and the lower end of an intelligent filling limiting valve and the steel cylinder valve seat are connected and sealed through cone threads specified by national standards.

SUMMERY OF THE UTILITY MODEL

To current problem, an object of the utility model is to provide a prevent dismounting device for liquefied gas bottle intelligence to solve the problem that proposes in the above-mentioned background art.

In order to solve the above problem, the utility model adopts the following technical scheme:

an intelligent anti-disassembly device for a liquefied gas cylinder comprises an anti-disassembly cylinder body, wherein the outer side of the top end of the anti-disassembly cylinder body is provided with an external thread; the intelligent charge-limiting valve is arranged at the top of the anti-dismantling cylinder, and the anti-dismantling cylinder is in threaded connection with the intelligent charge-limiting valve through external threads; the top end of the anti-dismantling column body is provided with a first through hole; the bottom end of the first through hole is provided with a second through hole, and the diameter of the second through hole is larger than that of the first through hole; a piston is connected in the second through hole in a sliding manner; the top end of the piston is provided with a third through hole; grooves are formed in the two sides of the piston; inclined holes are formed in two sides of the anti-dismantling cylinder; clamping columns are connected in the inclined holes in a sliding manner; the bottom ends of the two grooves close to one side are fixedly connected with pull ropes, and the other ends of the pull ropes extend into the inclined holes and are fixedly connected with the clamping columns; a connecting block is fixedly connected in the inclined hole; a first spring is fixedly connected between the connecting block and the clamping column; the bottom end of the anti-dismantling cylinder is fixedly connected with a limiting block with a through opening; and a second spring is fixedly connected between the limiting block and the piston.

As a further aspect of the present invention: the top end and the bottom end of one side of the clamping column, which is close to the first through hole, are provided with air inlet holes; round holes are formed on the two sides close to the two air inlet holes together, and the round holes are communicated with the inclined holes; the inside wall of round hole all is rigid coupling has the latex film.

As a further aspect of the present invention: the corners of the inclined hole and the pull rope are rounded corners.

As a further aspect of the present invention: all be equipped with the guide bar jointly between the front and back both sides on the inside top of inclined hole, and the guide bar is all walked around to the one end that the card post was kept away from to the stay cord.

As a further aspect of the present invention: the guide rod is rotatably connected with the inner side wall of the inclined hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation intelligence limit for filling valve installs in the steel bottle disk seat, under the user state, two card posts on the anti-dismantling cylinder partly expose outside and realize the effect of blockking, can't be dismantled, only after the inflation operation of formal authentication, can only pass through the gas promotion piston of the subassembly that fills now in the intelligence limit for filling valve and make the card post get into the inclined hole, then can communicate the intelligence limit for filling valve and be extracted out together;

2. the utility model discloses can be through dismantling whether the inspection latex film expands, in time discover this structure whether the condition of gas leakage appears, be favorable to ensureing people's life safety.

Drawings

FIG. 1 is a first perspective view of a tamper-evident device for a liquefied gas cylinder;

FIG. 2 is a second perspective view of an anti-disassembly apparatus for a liquefied gas cylinder;

FIG. 3 is a schematic sectional view of an intelligent anti-disassembly device for a liquefied gas cylinder before inflation;

FIG. 4 is an enlarged view of a portion of FIG. 3A of an anti-disassembly apparatus for a liquid gas cylinder;

FIG. 5 is a schematic sectional view of an intelligent anti-disassembly device for a liquefied gas cylinder;

fig. 6 is a partially enlarged view of a part B of fig. 5 in an intelligent disassembly prevention device for a liquefied gas cylinder.

In the figure: 1. a disassembly-preventing cylinder; 2. an external thread; 3. an intelligent charge-limiting valve; 4. a first through hole; 5. a second through hole; 6. a piston; 7. a third through hole; 8. a groove; 9. an inclined hole; 10. pulling a rope; 11. clamping the column; 12. connecting blocks; 13. a first spring; 14. a limiting block; 15. a second spring; 16. an air inlet; 17. a circular hole; 18. a latex film; 19. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6, in the present embodiment, the present embodiment is described with reference to fig. 1 to 6, and the present embodiment provides an intelligent anti-disassembly device for a liquefied gas cylinder, which includes an anti-disassembly cylinder 1, wherein an outer side of a top end of the anti-disassembly cylinder 1 is provided with an external thread 2; the top of the anti-dismantling cylinder 1 is provided with an intelligent charge-limiting valve 3, and the anti-dismantling cylinder 1 is in threaded connection with the intelligent charge-limiting valve 3 through external threads 2; the top end of the anti-dismantling column body 1 is provided with a first through hole 4; the bottom end of the first through hole 4 is provided with a second through hole 5, and the diameter of the second through hole 5 is larger than that of the first through hole 4; a piston 6 is connected in the second through hole 5 in a sliding way; the top end of the piston 6 is provided with a third through hole 7; both sides of the piston 6 are provided with grooves 8; both sides of the anti-dismantling cylinder 1 are provided with inclined holes 9; the inclined holes 9 are all connected with clamping columns 11 in a sliding manner; the bottom ends of the two grooves 8 close to one side are fixedly connected with pull ropes 10, and the other ends of the pull ropes 10 extend into the inclined holes 9 and are fixedly connected with clamping columns 11; a connecting block 12 is fixedly connected in the inclined hole 9; a first spring 13 is fixedly connected between the connecting block 12 and the clamping column 11; the bottom end of the anti-dismantling cylinder 1 is fixedly connected with a limiting block 14 with a through opening through a hole; a second spring 15 is fixedly connected between the limiting block 14 and the piston 6; when the gas cylinder is in work, the anti-disassembly cylinder 1 and the intelligent gas-limiting valve 3 are matched for use and are connected through threads, a steel cylinder valve seat (the prior art is not shown in the figure) is welded at the top end of a liquefied gas steel cylinder, the intelligent gas-limiting valve 3 and the steel cylinder valve seat are connected and sealed through conical threads related to the state specified standards, when the gas cylinder is in a static state and a gas-exhausting state, the piston 6 is positioned at the topmost end of the second through hole 5 under the action of the spring, the clamping column 11 is semi-exposed outside the inclined hole 9, the clamping column 11 cannot fall off under the connecting action of the pull rope 10, the clamping column 11 cannot retract into the inclined hole 9 under the action of the gravity of the clamping column 11 and the action of the first spring 13, and at the moment, even if the conical threads between the intelligent gas-limiting valve 3 and the steel cylinder valve seat are rotated, the clamping column 11 cannot be pulled out due to the blocking of the bottom end of the steel cylinder valve seat, and because the connecting part of the anti-dismantling cylinder 1 and the intelligent charge-limiting valve 3 is positioned in the steel cylinder, the two can not be separated by a dismantling mode, when the air inlet pressure or the flow is reduced (the charge-limiting state of the intelligent charge-limiting valve 3), the air is discharged through the third through hole 7 in the piston 6, the elastic force of the second spring 15 can not be overcome, the piston 6 is still, when the air inlet pressure or the flow is larger than the discharge amount of the third through hole 7 on the piston 6 (the charging state of the intelligent charge-limiting valve 3), the air pressure pushes the piston 6 to slide downwards and overcome the elastic force of the second spring 15 until the piston is limited and blocked by the limiting block 14, at the moment, under the action of the pulling force of the pull rope 10, the clamping column 11 enters the inclined hole 9, when the installation is needed, the anti-dismantling cylinder 1 is inflated before the installation, the second spring 15 is not compressed, and the piston 6 is positioned at the top of the second through hole 5, the clamp column 11 is half exposed outside the inclined hole 9, compressed air is filled into the intelligent charge-limiting valve 3 by using a matched inflation gun, the air pressure and the flow are large, the gas pushes the piston 6 to slide downwards and overcome the elastic force of the second spring 15 until the piston is blocked by the limiting block 14, at the moment, under the action of the pulling force of the pulling rope 10, the clamp column 11 enters the inclined hole 9, the anti-dismantling cylinder 1 is dismantled into the steel cylinder valve seat, the continuous inflation state is kept in the process, the injection of the compressed air is stopped, under the action of the second spring 15, the piston 6 slides upwards to restore the original shape, under the action of the self gravity of the clamp column 11 and the first spring 13, the clamp column 11 is half exposed outside the anti-dismantling cylinder 1 and plays a blocking role with the bottom end of the steel cylinder valve seat, the intelligent charge-limiting valve 3 is rotated to be fixedly connected and sealed with the steel cylinder valve seat through the taper thread, the installation of the valve is completed, when the valve needs to be dismantled, the actions can be operated reversely, only by using the liquefied gas compressed air can be used in the normal liquefied gas, the intelligent charge-limiting valve 3 can be completely removed, the intelligent charge-limiting valve can be installed in the intelligent charge-limiting cylinder valve seat after the intelligent charge-limiting cylinder valve 3 is completely removed, and the intelligent charge-limiting cylinder valve can be installed in the intelligent charge-limiting cylinder valve 11, and can be completely removed, and the intelligent charge-limiting cylinder valve can be completely, only after the intelligent charge-limiting cylinder valve can be installed in the intelligent charge-limiting cylinder valve 3, and the intelligent charge-limiting cylinder valve can be completely removed through the intelligent cylinder valve can be completely, and the intelligent cylinder valve can be completely removed through the intelligent cylinder valve seat, and the intelligent charge-limiting cylinder valve can be installed in the intelligent charge-limiting cylinder valve seat, only after the intelligent charge-limiting cylinder 11, and the intelligent cylinder 11 can be removed by the intelligent cylinder valve seat, the intelligent charge-limiting cylinder valve can be completely, and the intelligent charge-limiting cylinder valve can be removed through the intelligent cylinder valve seat, only after the intelligent cylinder 11, and the intelligent cylinder valve can be removed through the intelligent cylinder valve can be removed, and the intelligent cylinder valve can be completely, and the intelligent cylinder valve can be removed, only through the intelligent cylinder valve seat, and the intelligent cylinder assembly can be removed through the intelligent cylinder valve seat, and the intelligent charge-discharge valve can be completely, and the intelligent cylinder assembly can be removed by pushing device can be removed by the intelligent cylinder 11, and the intelligent cylinder assembly can be removed, and the intelligent cylinder assembly can be completely, only through the intelligent charge-discharge valve can be completely, and the intelligent valve can be removed.

As shown in fig. 3, 4, 5 and 6, the top end and the bottom end of the clamp column 11 near one side of the first through hole 4 are both provided with air inlet holes 16; round holes 17 are formed on the sides, close to each other, of the two air inlet holes 16, and the round holes 17 are communicated with the inclined holes 9; the inner side walls of the round holes 17 are fixedly connected with latex films 18; at the during operation, in the use, if sealed problem appears between piston 6 and No. two through-holes 5, gas can get into inclined hole 9 through the gap between piston 6 and No. two through-holes 5 in, then get into inlet port 16, get into in the round hole 17 from inlet port 16 again, at this moment along with gaseous getting into latex film 18 can be blown the inflation, when dismantling the inspection this moment next time, the staff can the very first time discovery, and then this structure can be through dismantling whether the inflation of inspection latex film 18, in time discover the condition of whether gas leakage appears in this structure, be favorable to guaranteeing people's life safety.

As shown in fig. 3, 4, 5 and 6, the corners of the inclined hole 9 and the pull rope 10 are rounded; in operation, the corners where the inclined hole 9 and the pull rope 10 contact each other are designed to be rounded, which is beneficial to reduce the friction between the pull rope 10 and the inclined hole 9.

As shown in fig. 3, 4, 5 and 6, a guide rod 19 is commonly arranged between the front side and the rear side of the top end inside the inclined hole 9, and one end of the pull rope 10 far away from the clamping column 11 bypasses the guide rod 19; in operation, the guide rod 19 can guide the pull rope 10, which is beneficial to make the pull rope in an open state and reduce the friction of the pull rope 10.

As shown in fig. 3, 4, 5 and 6, the guide rod 19 is rotatably connected with the inner side wall of the inclined hole 9; when the device works, the friction between the pull rope 10 and the guide rod 19 is greatly reduced, the condition that the pull rope 10 is broken is avoided, and the service life of the device is prolonged.

The utility model discloses a theory of operation is: when the intelligent gas-limiting valve works, the anti-dismantling cylinder 1 and the intelligent gas-limiting valve 3 are matched for use and are connected through threads, a steel cylinder valve seat (the prior art is not shown in the drawing) is welded at the top end of a liquefied gas steel cylinder, the intelligent gas-limiting valve 3 and the steel cylinder valve seat are connected and sealed through tapered threads according to the national specified standards, when the intelligent gas-limiting valve is in a static state and an exhaust state, the piston 6 is positioned at the topmost end of the second through hole 5 under the action of the spring, the clamping column 11 is semi-exposed outside the inclined hole 9 at the moment, the clamping column 11 cannot fall off under the connecting action of the pull rope 10, meanwhile, the clamping column 11 cannot retract into the inclined hole 9 under the action of the gravity of the clamping column 11 and the action of the spring 13, at the moment, even if the tapered threads between the intelligent gas-limiting valve 3 and the steel cylinder valve seat are rotated, the clamping column 11 cannot be pulled out due to the blockage of the bottom end of the steel cylinder valve seat, and because the connecting part of the anti-disassembly cylinder 1 and the intelligent charging-limiting valve 3 is positioned in the steel cylinder, the anti-disassembly cylinder 1 and the intelligent charging-limiting valve 3 can not be separated by a disassembly mode, when the air inlet pressure or the flow is reduced (the charging-limiting state of the intelligent charging-limiting valve 3), the air can be discharged through the third through hole 7 in the piston 6, the elastic force of the second spring 15 can not be overcome, the piston 6 is still, when the air inlet pressure or the flow is larger than the discharging amount of the third through hole 7 on the piston 6 (the charging state of the intelligent charging-limiting valve 3), the air pressure pushes the piston 6 to slide downwards and overcome the elastic force of the second spring 15 until the piston is limited and blocked by the limiting block 14, at the moment, under the action of the pulling force of the pull rope 10 of the piston 6, the clamping column 11 enters the inclined hole 9, when the anti-disassembly cylinder 1 needs to be installed, because the air is charged, the second spring 15 is not compressed, the piston 6 is positioned at the top of the second through hole 5, the clamp column 11 is half exposed outside the inclined hole 9, compressed air is filled into the intelligent charging-limiting valve 3 by using a matched inflating gun, the air pressure and the flow rate are large, the gas pushes the piston 6 to slide downwards and overcome the elastic force of the second spring 15 until the piston is blocked by the limiting block 14, at the moment, under the action of the pulling force of the pulling rope 10, the clamp column 11 enters the inclined hole 9, the anti-dismantling cylinder 1 is dismantled into the steel cylinder valve seat, the continuous inflating state is maintained, the compressed air is stopped from being injected, under the action of the second spring 15, the piston 6 slides to be restored to the original shape, under the action of the self gravity of the clamp column 11 and the first spring 13, the clamp column 11 is half exposed outside the anti-dismantling cylinder 1 and plays a blocking role with the bottom end of the steel cylinder valve seat, the intelligent charging-limiting valve 3 is rotated to be tightly connected and sealed with the steel cylinder valve seat through the taper thread, the installation of the valve is completed, when the valve needs to be dismantled, the actions can be operated reversely, in the dismantling process, only compressed air can be used, the intelligent charging-limiting valve 3 cannot be used, the intelligent charging-limiting valve 3 can be completely removed through the intelligent charging-limiting cylinder 3 after the intelligent charging-limiting cylinder 11 is completely, and the intelligent charging-limiting cylinder 11 is completely, only after the intelligent charging-limiting cylinder 11 is completely, the intelligent charging-limiting cylinder valve can be installed in a state, the intelligent cylinder 11, the intelligent charging-limiting cylinder valve can be completely, the intelligent charging-limiting cylinder 11, and the intelligent cylinder valve can be removed, only after the intelligent cylinder is completely, the intelligent charging-limiting cylinder 11 is completely, and the intelligent cylinder valve can be completely, the intelligent cylinder assembly, the intelligent cylinder 11 can be removed, the intelligent charging-limiting cylinder valve can be completely, and the intelligent charging-limiting cylinder 11 can be completely, the intelligent charging-limiting cylinder valve can be completely, the intelligent charging-limiting cylinder assembly, the intelligent charging-limiting cylinder 11 can be completely, and the intelligent cylinder can be removed, and the intelligent cylinder can be completely, only after the intelligent cylinder can be completely, the intelligent cylinder 11 can be removed, and the intelligent cylinder assembly, and the intelligent cylinder can be removed, the intelligent charging-limiting cylinder can be completely, the intelligent cylinder assembly can be used, the intelligent charging-limiting cylinder 11 can be completely, the intelligent cylinder assembly, and the intelligent cylinder 11 can be completely, and the intelligent cylinder assembly can be completely, the intelligent cylinder assembly can be completely.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and furthermore, the terms "comprise", "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intelligent anti-disassembly device for a liquefied gas cylinder comprises an anti-disassembly cylinder body (1), and is characterized in that an external thread (2) is arranged on the outer side of the top end of the anti-disassembly cylinder body (1); the intelligent charging limiting valve (3) is arranged at the top of the anti-dismantling cylinder (1), and the anti-dismantling cylinder (1) is in threaded connection with the intelligent charging limiting valve (3) through external threads (2); the top end of the anti-dismantling cylinder (1) is provided with a first through hole (4); the bottom end of the first through hole (4) is provided with a second through hole (5), and the diameter of the second through hole (5) is larger than that of the first through hole (4); a piston (6) is connected in the second through hole (5) in a sliding manner; the top end of the piston (6) is provided with a third through hole (7); grooves (8) are formed in the two sides of the piston (6); inclined holes (9) are formed in the two sides of the anti-dismantling cylinder (1); clamping columns (11) are connected in the inclined holes (9) in a sliding manner; the bottom ends of the two grooves (8) close to one side are fixedly connected with pull ropes (10), and the other ends of the pull ropes (10) extend into the inclined holes (9) and are fixedly connected with clamping columns (11); a connecting block (12) is fixedly connected in the inclined hole (9); a first spring (13) is fixedly connected between the connecting block (12) and the clamping column (11); a limiting block (14) with a through opening is fixedly connected to an opening at the bottom end of the anti-dismantling cylinder (1); a second spring (15) is fixedly connected between the limiting block (14) and the piston (6).

2. The intelligent disassembly-preventing device for the liquefied gas cylinder is characterized in that the top end and the bottom end of one side, close to the first through hole (4), of the clamping column (11) are provided with air inlet holes (16); round holes (17) are formed in the two air inlet holes (16) towards the close sides, and the round holes (17) are communicated with the inclined holes (9); and the inner side wall of the round hole (17) is fixedly connected with a latex film (18).

3. The device of claim 2, wherein corners of the inclined hole (9) and the pull rope (10) are rounded.

4. The disassembly prevention device for the liquefied gas cylinder intelligence is characterized in that a guide rod (19) is arranged between the front side and the rear side of the top end inside the inclined hole (9) in a common mode, and one end, far away from the clamping column (11), of the pull rope (10) bypasses the guide rod (19).

5. The device of claim 4, wherein the guide rod (19) is rotatably connected with the inner side wall of the inclined hole (9).