Anti-corrosion gas valve with valve lock

By designing a gas valve lock with a first clamping block, a second clamping block, and an anti-theft screw, convenient locking and anti-disassembly are achieved, solving the problems of cumbersome disassembly and limited positioning in existing technologies, and improving the safety and applicability of gas valves.

CN223595182UActive Publication Date: 2025-11-25YINGKOU HUAYI GAS EQUIP CO LTD
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Patent Information

Application Number
CN202421987585.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-11-25
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

Existing gas valve locks are cumbersome to disassemble and limit, and cannot effectively secure valve handles without insertion holes, thus limiting their application.

Method used

The design incorporates a first and second clamping block, combined with anti-theft screws and a lock cylinder, to achieve convenient locking and anti-disassembly. The lock rod limits the side of the valve handle, and a locking hole is designed to prevent the lock rod from being lost.

Benefits of technology

It simplifies the installation and disassembly process, improves safety and applicability, reduces operational complexity, prevents lock rod loss, and enhances the reliability of gas valves.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gas valves, and discloses an anti-corrosion gas valve with a valve lock, which comprises a valve seat, a gas pipeline is in threaded connection with an inner cavity of the valve seat, a valve handle is rotatably connected onto the valve seat, a first clamping block and a second clamping block are respectively arranged on the surface of the gas pipeline, and the valve lock is arranged on the valve handle. An inner cavity of the first clamping block is connected with an anti-theft screw in a sliding mode, one end of the anti-theft screw extends to an inner cavity of the second clamping block, a lock cylinder is fixed to the top of the first clamping block, and a lock rod is connected with an inner cavity of the lock cylinder in a clamped mode. The tedious step of disassembling the valve seat in the prior art is avoided, meanwhile, the lock cylinder and the lock rod are designed, one side of the valve handle is limited, and an insertion hole does not need to be formed in the top of the valve handle. In addition, the lock rod is placed in the clamping hole, and loss is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gas valve technical field, concretely is a kind of anticorrosive gas valve with valve lock. BACKGROUND

[0002] The valve lock for anticorrosive gas valve is a safety accessory specially designed to protect gas valves from unauthorized operation or misuse, usually made of corrosion-resistant materials to ensure durability and safety in harsh environments, especially important in industries such as chemical, oil and gas, as they not only need to ensure the safety of operation, but also prevent equipment damage caused by corrosion.

[0003] Chinese open patent (open number: CN212745283U) a valve lock for gas valve, including valve seat and bushing, the top of the valve seat is formed with valve body, one end of the valve seat is fixed with gas pipeline by screw thread, the bushing is nested on the gas pipeline, the bottom of the bushing is welded with fixed clamp, the fixed clamp is inserted with screw rod, one end of the screw rod is screwed with nut.

[0004] The above-mentioned comparative document realizes the locking of the valve by setting the bushing, the lock catch and the lock body. This design can be conveniently combined with the valve after installation, has the advantages of simple and quick installation, does not affect the main structure of the valve, occupies small space and is easy to disassemble. However, the bushing structure of the comparative document needs to disassemble the valve seat when being fitted to the surface of the gas pipeline or being disassembled, which is relatively cumbersome. In addition, the lock catch structure can only fix and limit the valve handle with a hole on the top. For the valve handle without a hole, it cannot realize the fixation and limitation, which has certain limitations in actual application.

[0005] Therefore, the utility model provides an anticorrosive gas valve with valve lock to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the above background technology, the utility model provides a technical scheme of an anticorrosive gas valve with valve lock. By designing the first clamping block and the second clamping block, as well as the anti-theft screw, the lock core and the lock rod, the convenient locking and disassembly prevention of the valve are realized. Compared with the prior art, the utility model has the following advantages. First, the valve seat does not need to be disassembled, which is more convenient to operate. Second, the valve handle is limited on one side, and the hole does not need to be opened on the top of the valve handle. Finally, the clamping hole is set to prevent the loss of the lock rod.

[0007] The utility model provides the following technical scheme: an anticorrosive gas valve with valve lock, comprising: a valve seat, a gas pipeline is connected in the inner cavity of the valve seat by screw thread, a valve handle is rotatably connected to the valve seat.

[0008] The surface of the gas pipeline is respectively provided with a first clamping block and a second clamping block, the inner cavity of the first clamping block is slidably connected with an anti-theft screw, one end of the anti-theft screw extends to the inner cavity of the second clamping block, the top of the first clamping block is fixed with a lock cylinder, and the inner cavity of the lock cylinder is clamped with a lock rod.

[0009] As a preferred technical scheme of the utility model, the first clamping block is fixed with a clamping block on one side, and a clamping hole is formed in the top of the clamping block.

[0010] As a preferred technical scheme of the utility model, the inner cavities of the first clamping block and the second clamping block are both fixed with a gasket.

[0011] As a preferred technical scheme of the utility model, the lock cylinder is provided with a key hole on one side.

[0012] As a preferred technical scheme of the utility model, the surface of the anti-theft screw is threadedly connected with the inner cavity of the second clamping block.

[0013] As a preferred technical scheme of the utility model, the inner diameter of the clamping hole is greater than or equal to the outer diameter of the lock rod.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The first clamping block and the second clamping block are designed, the inner cavities of the two are attached to the outer wall of the gas pipeline, and the anti-theft screw is used for fixing, so that the installation and disassembly process is simplified, when the first clamping block and the second clamping block are sleeved on the surface of the gas pipeline or are disassembled, only the anti-theft screw needs to be unscrewed, the valve seat does not need to be disassembled, and the complexity and time cost of operation are reduced.

[0016] 2. The anti-theft screw is adopted, the safety of the valve lock is enhanced, the disassembly of the first clamping block and the second clamping block by irrelevant personnel is effectively prevented, and the safe operation of the gas valve is further ensured.

[0017] 3. A lock cylinder and a lock rod are designed, the inner surface of the lock rod cavity can limit one side of the valve handle, irrelevant personnel is prevented from rotating the valve handle, the normal working state of the gas valve is ensured, the design does not need to open a plug hole in the top of the valve handle, the limitation that the lock catch structure in the prior art can only fix and limit the valve handle with the plug hole in the top is overcome, and the applicability of the valve lock is improved.

[0018] 4. The clamping hole is opened, the inner cavity of the clamping hole can place the lock rod, the lock rod is prevented from being placed at will and lost, and the reliability of the valve lock is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the utility model;

[0020] Figure 2 It is a front view of the utility model;

[0021] Figure 3 It is a left view of the utility model;

[0022] Figure 4 It is a sectional view of the utility model.

[0023] In the figure: 1, valve seat; 101, gas pipeline; 102, valve handle; 2, first clamp block; 201, second clamp block; 202, anti-theft screw; 203, lock cylinder; 204, lock rod; 3, clamping block; 301, clamping hole; 4, gasket; 5, keyhole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment one,

[0026] Please refer to Figures 1-4 As shown in the figure, an anti-corrosion gas valve with valve lock comprises a valve seat 1, the inner cavity of the valve seat 1 is threadedly connected with a gas pipeline 101, the valve seat 1 is rotationally connected with a valve handle 102, the surface of the gas pipeline 101 is respectively provided with a first clamp block 2 and a second clamp block 201, the inner cavity of the first clamp block 2 is slidably connected with an anti-theft screw 202, one end of the anti-theft screw 202 extends into the inner cavity of the second clamp block 201, the top of the first clamp block 2 is fixed with a lock cylinder 203, and the inner cavity of the lock cylinder 203 is clamped with a lock rod 204.

[0027] Firstly, the first clamp block 2 and the second clamp block 201 are respectively sleeved on the surface of the gas pipeline 101, and the inner cavities are ensured to be attached to the surface of the pipeline, then the first clamp block 2 and the second clamp block 201 are fixed together by using the anti-theft screw 202 to ensure the stability, when it is needed to limit and fix the valve handle 102, the lock rod 204 is inserted into the inner cavity of the lock core 203, and the surface of the inner cavity of the lock rod 204 limits one side of the valve handle 102 to prevent irrelevant personnel from rotating the valve handle 102, when it is needed to disassemble the lock rod 204, the key is inserted into the inner cavity of the key hole 5 to unlock the lock core 203, after the unlocking is completed, the lock rod 204 can be disassembled, and the disassembled lock rod 204 can be placed in the inner cavity of the clamping hole 301 to prevent the lock rod 204 from being placed at will and lost.

[0028] Embodiment two,

[0029] As a specific embodiment of the utility model, as shown in the figure, Figure 2 The first clamp block 2 is fixed with a clamping block 3 on one side, the top of the clamping block 3 is provided with a clamping hole 301, the clamping hole 301 is arranged on the top of the clamping block 3, after the lock rod 204 is disassembled, it can be placed in the inner cavity of the clamping hole 301 to prevent the lock rod 204 from being placed at will and lost, the inner cavities of the first clamp block 2 and the second clamp block 201 are all fixed with gaskets 4, the gaskets 4 are made of rubber material, so that when the first clamp block 2 and the second clamp block 201 clamp the surface of the gas pipeline 101, the anti-skid effect can be achieved, the lock core 203 is provided with a key hole 5 on one side, the key hole 5 is arranged, the key can be inserted into the inner cavity of the key hole 5 to unlock the lock core 203, after the unlocking is completed, the lock rod 204 can be disassembled, the surface of the anti-theft screw 202 is threadedly connected with the inner cavity of the second clamp block 201, the inner diameter of the clamping hole 301 is greater than or equal to the outer diameter of the lock rod 204, the inner diameter of the clamping hole 301 is greater than or equal to the outer diameter of the lock rod 204, and the inner diameter of the heat pipe clamping hole 301 is less than the outer diameter of the lock rod 204, so that the lock rod 204 cannot be placed in the inner cavity of the clamping hole 301.

[0030] It should be noted that in this document, relationship terms such as first and second, and the like are used only to differentiate one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between or among the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Meanwhile, in the drawings of the utility model, the filling pattern is only for distinguishing the layers, and does not have any other limitation.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A corrosion resistant gas valve having a valve lock, comprising: The valve seat (1) is internally threaded with a gas pipeline (101), and the valve seat (1) is rotationally connected with a valve handle (102); The surface of the gas pipeline (101) is respectively provided with a first clamping block (2) and a second clamping block (201), the inner cavity of the first clamping block (2) is slidingly connected with a theftproof screw (202), one end of the theftproof screw (202) extends into the inner cavity of the second clamping block (201), the top of the first clamping block (2) is fixed with a lock cylinder (203), and the inner cavity of the lock cylinder (203) is clamped with a lock rod (204).

2. A corrosion resistant gas valve having a valve lock according to claim 1, characterized in that: One side of the first clamping block (2) is fixed with a clamping block (3), and the top of the clamping block (3) is provided with a clamping hole (301).

3. A corrosion resistant gas valve having a valve lock according to claim 1, characterized in that: The surface of the inner cavity of the first clamping block (2) and the second clamping block (201) is fixed with a gasket (4).

4. A corrosion resistant gas valve with valve lock according to claim 1, characterized in that: One side of the lock cylinder (203) is provided with a key hole (5).

5. A corrosion resistant gas valve having a valve lock according to claim 1, wherein: The surface of the theftproof screw (202) is threadedly connected with the inner cavity of the second clamping block (201).

6. A corrosion resistant gas valve with valve lock according to claim 2, characterized in that: The inner diameter of the clamping hole (301) is greater than or equal to the outer diameter of the lock rod (204).

Citation Information

Patent Citations

  • Valve lock for gas valve

    CN212745283U