Single valve multi-medium cylinder valve anti-misoperation locking device

By designing a locking device to prevent misoperation of a single-valve multi-media cylinder valve, a combination of connecting bolts and springs is used to achieve normally closed locking and pressure-turn unlocking of the valve. This solves the problem of media mixing caused by misoperation, improves safety and operational reliability, and prevents safety accidents.

CN224453719UActive Publication Date: 2026-07-03XINXIANG SAFETY CYLINDER CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XINXIANG SAFETY CYLINDER CO LTD
Filing Date
2025-07-31
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Single-valve multi-media cylinder valves are prone to mixing of different media due to misoperation during operation, which can lead to safety accidents, especially the mixing reaction of flammable, explosive, corrosive or toxic media, threatening the safety of operators and the environment.

Method used

A locking device to prevent misoperation of a single-valve multi-media cylinder valve was designed. The base and top seat are axially locked together by a connecting bolt to form a rigid whole. The telescopic hollow tube slides up and down in the channel to achieve normally closed locking and pressure-to-unlock. The combination of spring and handle simplifies the operation steps and prevents accidental switching.

Benefits of technology

It effectively prevents media mixing reactions and safety accidents caused by misoperation, simplifies operation procedures, improves safety and reliability, and eliminates the risk of accidental switching.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a single valve multi -medium steel bottle valve anti -misoperation locking device relates to single valve multi -medium steel bottle valve technical field, including import pipe and export pipe still includes connecting assembly, connecting assembly includes the base fixedly connected in the top of import pipe and export pipe, the top of base is provided with the top seat, the inside sliding connection of carding assembly is in the telescopic hollow tube of base inside, the outside top of telescopic hollow tube is fixedly connected with the top disc, the inside fixed connection of top disc has the limit turn, the inside fixed connection of top disc has the clamping block, such design has realized the anti -misoperation of normally closed locking and pressure and turns the unlocking, loosens and is automatic reset locking, has simplified the operation step, has avoided the accidental switching caused by the misoperation, has fundamentally put an end to the mixed reaction and the security accident risk caused by misoperation.
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Description

Technical Field

[0001] This utility model relates to the field of single-valve multi-media cylinder valve technology, and in particular to a single-valve multi-media cylinder valve anti-misoperation locking device. Background Technology

[0002] A single-valve multi-media cylinder valve is a special valve device integrated into the cylinder interface. Its core feature is that it enables independent control and output switching of multiple different media in the cylinder through a single valve body. Specifically, the valve integrates multiple independent media channels, each channel is connected to a storage chamber of a different media in the cylinder, and is equipped with a unified switching operation mechanism. The operator can use this mechanism to select to open a specific media channel to output the target media, while closing other channels. This allows for the orderly output and safe isolation of multiple media without the need to replace the valve or the cylinder.

[0003] When operators need to switch between different media channels, errors in memory of operating procedures, panicked operation in emergencies, or information transmission errors during multiple-person shifts may lead to accidental activation of the valve switching mechanism, causing the non-target media channel to be opened unintentionally. If different media have hazardous properties such as flammability, explosiveness, corrosivity, or toxicity, misoperation may trigger a mixing reaction between the different media. For example, contact between acidic and alkaline media may produce highly corrosive substances, or the mixing of oxidizing and reducing media may cause combustion and explosion, directly threatening the personal safety of operators and the safety of the surrounding environment.

[0004] Therefore, this utility model provides a single-valve multi-media cylinder valve anti-misoperation locking device. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies and provide a single-valve multi-media cylinder valve anti-misoperation locking device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a single-valve multi-media cylinder valve anti-misoperation locking device, including an inlet pipe and an outlet pipe, and a connecting component, wherein the connecting component includes a base fixedly connected to the top of the inlet pipe and the outlet pipe, and a top seat is provided at the top of the base;

[0007] The engaging assembly has a telescopic hollow tube that is slidably connected inside the base. A top plate is fixedly connected to the outer top of the telescopic hollow tube. A limit rotating ring is fixedly connected inside the top plate. A locking block is fixedly connected inside the top plate.

[0008] A pressure assembly, comprising a turntable rotatably connected to the top of a top seat, a spring fixedly connected to the top of the turntable, and a top connecting plate fixedly connected to the top of the spring.

[0009] In a preferred embodiment, a base block is fixedly connected to the top of the base, and a slot is provided inside the base block.

[0010] In a preferred embodiment, the locking block engages with the locking slot, and the top plate is fixedly connected to the bottom block through the engagement of the locking block and the locking slot.

[0011] In a preferred embodiment, the bottom end of the telescopic hollow tube engages with the interior of the inlet and outlet tubes.

[0012] In a preferred embodiment, a throttle is fixedly connected to the top of the top connecting plate.

[0013] In one preferred embodiment, the limiting rotating ring is rotatably connected to the inner top of the base block, and the outer side of the telescopic hollow tube is slidably connected to the inside of the top seat.

[0014] In a preferred embodiment, connecting bolts are inserted into the interior of the base and the top seat.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0016] This utility model uses a connecting bolt to axially lock the base and top seat into a rigid whole, which in turn drives the telescopic hollow tube to slide up and down in the channel, thereby causing the lower valve stem and valve disc to extend and retract. This causes the locking block to rotate synchronously with the top plate. This design achieves anti-accidental operation with normally closed locking and pressure-to-unlock. Releasing the tube automatically resets the lock, which simplifies the operation steps and avoids accidental switching caused by accidental touch. It fundamentally eliminates the risk of mixed reactions and safety accidents caused by misoperation. Attached Figure Description

[0017] Figure 1 A perspective view of a single-valve multi-media cylinder valve anti-misoperation locking device provided by this utility model;

[0018] Figure 2 A schematic diagram of the pressure component structure of a single-valve multi-media cylinder valve anti-misoperation locking device provided by this utility model;

[0019] Figure 3 A schematic diagram of the connection component structure of a single-valve multi-media cylinder valve anti-misoperation locking device provided by this utility model;

[0020] Figure 4 A schematic diagram of the locking assembly structure of a single-valve multi-media cylinder valve anti-misoperation locking device provided by this utility model.

[0021] Legend:

[0022] 1. Inlet pipe; 2. Outlet pipe;

[0023] 3. Connecting components; 31. Base; 32. Top mount; 33. Connecting bolt;

[0024] 4. Engaging assembly; 41. Telescopic hollow tube; 42. Top plate; 43. Limiting rotating ring; 44. Locking block; 45. Bottom block; 46. Locking slot;

[0025] 5. Pressure assembly; 51. Turntable; 52. Spring; 53. Top connecting plate; 54. Thruster. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figure 1 and Figure 2 As shown, this embodiment provides a technical solution: a single-valve multi-media cylinder valve anti-misoperation locking device, including an inlet pipe 1 and an outlet pipe 2, and also includes a connecting component 3. The connecting component 3 includes a base 31 fixedly connected to the top of the inlet pipe 1 and the outlet pipe 2. A top seat 32 is provided at the top of the base 31. A connecting bolt 33 is inserted inside the base 31 and the top seat 32.

[0028] The base 31 is fixed to the top of the inlet pipe 1 and the outlet pipe 2, providing a rigid reference for the top seat 32 and the locking assembly 4 to form a stable installation platform, preventing subsequent components from being displaced due to vibration or external force. The top seat 32 is fitted on the base 31, forming an annular space together with the base 31 to accommodate the locking assembly 4, facilitating overall assembly and disassembly, and providing compression stroke space for the spring 52. The connecting bolt 33 passes through the base 31 and the top seat 32 to lock them axially, preventing the base 31 and the top seat 32 from separating during operation.

[0029] like Figure 2 and Figure 4As shown, the engaging assembly 4 is internally slidably connected to the telescopic hollow tube 41 inside the base 31. The top plate 42 is fixedly connected to the outer top of the telescopic hollow tube 41. The limiting rotating ring 43 is fixedly connected to the inside of the top plate 42. The locking block 44 is fixedly connected to the inside of the top plate 42. The top of the base 31 is fixedly connected to the bottom block 45. The bottom block 45 has a locking groove 46 inside. The locking block 44 engages with the locking groove 46. The top plate 42 is fixedly connected to the bottom block 45 through the engagement of the locking block 44 and the locking groove 46. The bottom end of the telescopic hollow tube 41 engages with the inside of the inlet pipe 1 and the outlet pipe 2. The limiting rotating ring 43 is rotatably connected to the top of the inside of the bottom block 45. The outer side of the telescopic hollow tube 41 is slidably connected to the inside of the top seat 32.

[0030] The telescopic hollow tube 41 can slide up and down within the base 31. Its lower end engages with the valve stem and valve disc inside the inlet pipe 1 and outlet pipe 2 to directly control the opening and closing of the valve, realizing a mechanical linkage of opening upon extension and closing upon retraction. The top plate 42 is located at the top of the telescopic hollow tube 41 and connects with the bottom block 45 as a carrier for the locking block 44 and the limiting rotating ring 43, ensuring synchronous engagement. The limiting rotating ring 43 is embedded in the top plate 42 and can rotate relative to the bottom block 45, limiting the rotation of the top plate 42 to a certain angle to prevent excessive rotation from causing the locking block 44 to slip off. The locking block 44 is fixed on the bottom surface of the top plate 42 and cooperates with the slot 46 to form a locking and unlocking mechanism. The bottom block 45 is fixed at the top of the base 31 and provides the slot 46 to achieve precise positioning of the locking block 44. The slot 46 is L-shaped or dovetail-shaped and only requires two actions, pressing and rotating, to lock or unlock. The operation is intuitive and prevents accidental touch.

[0031] like Figure 1 and Figure 2 As shown, the pressure assembly 5 includes a turntable 51 rotatably connected to the top of the top seat 32, a spring 52 fixedly connected to the top of the turntable 51, a top connecting plate 53 fixedly connected to the top of the spring 52, and a handle 54 fixedly connected to the top of the top connecting plate 53.

[0032] The turntable 51 is rotatably connected to the top of the top seat 32 and can rotate together with the handle 54 to transmit the operating torque to the spring 52. At the same time, it isolates the handwheel from the internal mechanism, reducing the probability of accidental contact. The upper end of the spring 52 is fixed to the top connecting plate 53, and the lower end presses on the turntable 51 to provide constant downward pressure, so that the locking block 44 is always locked in the slot 46 when there is no external force, preventing unlocking due to vibration or accidental contact. The top connecting plate 53 connects the spring 52 and the handle 54 as a torque transmission component, ensuring that the rotation center is aligned and preventing the spring 52 from twisting. The handle 54 is for the operator to hold and only requires two steps, pressing down and rotating, to unlock. Releasing it will automatically reset and lock it. The operation logic is simple and prevents accidental opening.

[0033] Working principle:

[0034] like Figure 1 - Figure 4As shown:

[0035] In use: First, the connecting bolt 33 passes through the base 31 and the top seat 32, and after axial locking, it forms a rigid whole. Then, the base 31 and the top seat 32 provide a stable sliding channel for the locking assembly 4, which can drive the telescopic hollow tube 41 to slide up and down in the channel, thereby enabling the lower end of the telescopic hollow tube 41 to open and close the valve in one step. Then, the spring 52 continuously presses the turntable 51 downward through the top connecting plate 53, which in turn drives the turntable 51 to transmit a constant torque to the top plate 42, which can drive the locking block 44 to always be locked in the slot 46 of the bottom block 45, thereby achieving anti-accidental contact and anti-vibration loosening. When unlocking is required, press down the handle 54 and rotate it, which will drive the top connecting plate 53 to compress the spring 52 and release the locking block 44, which will drive the top plate 42 and the telescopic hollow tube 41 to rotate synchronously and disengage from the slot 46, thereby unlocking and allowing valve switching.

[0036] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A single valve multi-medium cylinder valve anti-misoperation locking device, comprising an inlet pipe (1) and an outlet pipe (2), characterized in that, It also includes a connecting component (3), which includes a base (31) fixedly connected to the top of the inlet pipe (1) and the outlet pipe (2), and a top seat (32) is provided at the top of the base (31). The engaging assembly (4) is internally slidably connected to the telescopic hollow tube (41) inside the base (31). The top plate (42) is fixedly connected to the outer top of the telescopic hollow tube (41). The limiting rotating ring (43) is fixedly connected inside the top plate (42). The locking block (44) is fixedly connected inside the top plate (42). Pressure assembly (5), the pressure assembly (5) includes a turntable (51) rotatably connected to the top of the top seat (32), the top of the turntable (51) is fixedly connected to a spring (52), and the top of the spring (52) is fixedly connected to a top connecting plate (53).

2. The single valve multi-medium cylinder valve anti-misoperation locking device according to claim 1, characterized in that: The base (31) is fixedly connected to a bottom block (45) at its top, and a slot (46) is provided inside the bottom block (45).

3. The single valve multi-medium cylinder valve anti-misoperation locking device according to claim 1, characterized in that: The card block (44) engages with the card slot (46), and the top plate (42) is fixedly connected to the bottom block (45) through the engagement of the card block (44) and the card slot (46).

4. The single valve multi-medium cylinder valve anti-misoperation locking device according to claim 1, characterized in that: The bottom end of the telescopic hollow tube (41) engages with the interior of the inlet tube (1) and the outlet tube (2).

5. The single valve multi-medium cylinder valve anti-misoperation locking device according to claim 1, characterized in that: A throttle (54) is fixedly connected to the top of the top connecting plate (53).

6. The single valve multi-medium cylinder valve anti-misoperation locking device according to claim 1, characterized in that: The limiting rotating ring (43) is rotatably connected to the inner top of the bottom block (45), and the outer side of the telescopic hollow tube (41) is slidably connected to the inside of the top seat (32).

7. The single valve multi-medium cylinder valve anti-misoperation locking device according to claim 1, characterized in that: Connecting bolts (33) are inserted into the interior of the base (31) and the top seat (32).