CN215395020U

CN215395020U - Special tool for disassembling and assembling pressure spring of gas pressure regulator

Info

Publication number: CN215395020U
Application number: CN202120116882.3U
Authority: CN
Inventors: 陈斌; 曹�盛
Original assignee: Changzhou Ganghua Gas Co ltd
Current assignee: Changzhou Ganghua Gas Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2022-01-04
Anticipated expiration: 2031-01-15

Abstract

The utility model relates to a special tool for disassembling and assembling a pressure spring of a gas pressure regulator, which comprises a first clamp body and a second clamp body which are rotatably connected through a rotating shaft, wherein the first clamp body is provided with an upper handle and a lower clamp rod which are integrally structured, the second clamp body is provided with a lower handle and an upper clamp rod which are integrally structured, the front end of the upper clamp rod is fixedly connected with an upper jaw which is pressed on the upper end surface of the pressure spring, the front end of the lower clamp rod is fixedly connected with a lower jaw which supports the bottom surface of the pressure spring, the upper jaw is provided with a through hole with a diameter larger than that of a clamp spring used by the pressure regulator, the lower jaw is provided with a U-shaped groove with an opening at the outer side, and a lock catch which locks the upper clamp rod and the lower clamp rod when the pressure spring is pressed is arranged between the rear end of the upper clamp rod and the rear end of the lower clamp rod. The upper jaw and the lower jaw are utilized to clamp and compress the pressure spring, so that the central shaft of the pressure regulator and the clamp spring are exposed upwards, the clamp spring is convenient to disassemble and assemble, the disassembly and the replacement of the pressure spring and the clamp spring can be completed by one-man operation under the action of the lock catch, the working efficiency is improved, and the operation safety is high.

Description

Special tool for disassembling and assembling pressure spring of gas pressure regulator

Technical Field

The utility model relates to the technical field of gas maintenance, in particular to a special tool for disassembling and assembling a pressure spring of a gas pressure regulator.

Background

When the gas pressure regulator is used, a pressure spring in the gas pressure regulator needs to be replaced regularly, the existing pressure spring disassembly and assembly is generally operated by adopting common tool pliers, one hand is needed to press the pressure spring when the single person performs disassembly and assembly operation, the other hand is needed to operate the common tool pliers to clamp the clamp spring, the operation is labor-consuming and inconvenient, a central shaft clamping groove of the pressure regulator is easy to abrade, the central shaft clamping groove and a hook needle in a valve are caused to fall off, the pressure regulator fails, downstream gas stop accidents are caused, meanwhile, the pressure spring is easy to fly when the clamp spring is disassembled and assembled by the single person, and the flying pressure spring also easily causes operation accidents such as hurting people; if one person presses the pressure spring downwards, the other person clamps or installs the clamp spring by using the long flat nose pliers, the labor is wasted, and the efficiency is low.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides the special tool for disassembling and assembling the pressure spring of the gas pressure regulator, which is simple to operate and can be assembled and disassembled by a single person.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a gas pressure regulator pressure spring dismouting specialized tool, includes the first pincers body and the second pincers body, and first pincers body middle part and second pincers body middle part rotate through the pivot to be connected, and the first pincers body has last handle and lower claw beam of a body structure, and the second pincers body has lower handle and last claw beam of a body structure, last claw beam front end rigid coupling have the last jaw of pressing in the pressure spring up end, lower claw beam front end rigid coupling has the lower jaw that supports the pressure spring bottom surface, sets up the through-hole that the diameter is greater than the used jump ring diameter of voltage regulator on going up the jaw, sets up outside open-ended U-shaped groove on keeping silent down, goes up the hasp that the locking was gone up claw beam and was down the claw beam when being equipped with between claw beam rear end and the lower claw beam rear end and push down the pressure spring.

Specifically speaking, the rear end of the upper nipper rod is provided with a rotating shaft, the rear end of the lower nipper rod is provided with a fixed shaft, one end of the lock catch is rotatably connected with the rotating shaft, and the other end of the lock catch is clamped into the fixed shaft when pressing the pressure spring so as to lock the upper nipper rod and the lower nipper rod.

Preferably, the upper jaw is provided with an upper circular ring and a top plate, the top plate is fixed on the upper end surface of the upper circular ring, and the through hole is located in the center of the top plate.

Furthermore, the lower jaw is provided with a lower circular ring and a bottom plate, the outer side of the lower circular ring is cut and opened, the center of the lower circular ring is coaxial with the center of the upper circular ring, and the U-shaped groove is formed in the bottom plate and extends from the opening of the lower circular ring to the center of the bottom plate.

The utility model has the beneficial effects that: the pressure spring is clamped and compressed by the upper jaw and the lower jaw, so that the central shaft and the clamp spring of the pressure regulator are exposed upwards, the clamp spring is convenient to disassemble and assemble, the disassembly and the replacement of the pressure spring and the clamp spring can be completed by one-man operation under the action of the lock catch, the working efficiency is improved, the clamping groove of the central shaft is not abraded in the operation process, the pressure spring does not bounce, and the operation safety is high.

Drawings

The utility model is further described with reference to the following figures and embodiments.

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic sectional view of the present invention when it is disassembled.

In the figure: 1. the clamp comprises an upper handle, 2 parts of a lower clamp rod, 3 parts of a lower handle, 4 parts of an upper clamp rod, 5 parts of a rotating shaft, 6 parts of an upper jaw, 6-1 parts of an upper ring, 6-2 parts of a top plate, 7 parts of a lower jaw, 7-1 parts of a lower ring, 7-2 parts of a bottom plate, 8 parts of a through hole, 9 parts of a U-shaped groove, 10 parts of a pressure spring, 11 parts of a clamp spring, 12 parts of a rotating shaft, 13 parts of a fixed shaft, 14 parts of a lock catch and 15 parts of a central shaft.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a gas pressure regulator pressure spring dismouting specialized tool, including the first pincers body and the second pincers body, first pincers body middle part and second pincers body middle part rotate through pivot 5 and connect, the first pincers body has last handle 1 and lower claw beam 2 of a body structure, and the second pincers body has lower handle 3 and last claw beam 4 of a body structure, last claw beam 4 front end rigid coupling have the last jaw 6 of pressing in pressure spring 10 up end, 2 front ends rigid coupling of lower claw beam have the lower jaw 7 that supports pressure spring 10 bottom surface.

The upper jaw 6 is provided with an upper circular ring 6-1 and a top plate 6-2, the top plate 6-2 is fixed on the upper end surface of the upper circular ring 6-1, and a through hole 8 with the diameter larger than that of a clamp spring 11 used by the voltage regulator is formed in the center of the top plate 6-2.

The lower jaw 7 is provided with a lower circular ring 7-1 and a bottom plate 7-2, the outer side of the lower circular ring 7-1 is cut and opened, the center of the lower circular ring 7-1 is coaxial with the center of the upper circular ring 6-1, and the bottom plate 7-2 is provided with a U-shaped groove 9 extending from the opening of the lower circular ring 7-1 to the center of the bottom plate 7-2.

The rear end of the upper clamp rod 4 is provided with a rotating shaft 12, the rear end of the lower clamp rod 2 is provided with a fixed shaft 13, the rotating shaft 12 is rotatably connected with a lock catch 14, one end of the lock catch 14 is rotatably connected with the rotating shaft 12, and the other end of the lock catch 14 is clamped into the fixed shaft 13 when pressing the pressure spring 10 so as to lock the upper clamp rod 4 and the lower clamp rod 2.

As shown in fig. 2, the operation process is briefly described as follows:

a. firstly, a central shaft 15 of the pressure regulating valve penetrates through a through hole 8 in the center of a top plate 6-2 of an upper jaw 6, penetrates through a rear top plate 6-2 and is pressed on a gasket at the top of a pressure spring 10; the lower jaw 7 extends to the bottom of the pressure spring 10 through the trimming opening until the inner end of the U-shaped groove 9 contacts with the central shaft 15, and the upper jaw 6 and the lower jaw 7 clamp the pressure spring 10.

b. The upper handle 1 and the lower handle 3 are held by hand, so that the upper clamp rod 4 moves downwards, the lower clamp rod 2 moves upwards, the upper jaw 6 is driven to press the compression spring 10 downwards, and the lower jaw 7 exerts force on the compression spring 10 upwards to clamp and compress the compression spring 10.

c. After the pressure spring 10 is clamped and compressed, the pressure spring 10 and the gasket are separated from the clamp spring 11, the clamp spring extends out of the upper end face of the top plate 6-2 through the through hole 8, the clamp spring is convenient to remove, and meanwhile, the clamping groove for mounting the clamp spring 11 on the central shaft 15 cannot be abraded.

d. When the clamp spring 11 is popped upwards, the lock catch 14 is rotated to be clamped into the fixed shaft 13 for locking, so that the hands of an operator who originally holds the upper handle 1 and the lower handle 3 can be loosened to conveniently take out the clamp spring 11, then the lock catch 14 is loosened, the upper jaw 6 and the lower jaw 7 are moved out from the upper end and the lower end of the pressure spring 10, and a new pressure spring 10 is replaced. After the pressure spring 10 is replaced, the operation is repeated to install the clamp spring 11 in the clamping groove of the central shaft 15.

The upper jaw 6 and the lower jaw 7 are utilized to clamp and compress the pressure spring 10, so that the central shaft 15 and the clamp spring 11 of the pressure regulator are exposed upwards, the clamp spring 11 is convenient to disassemble and assemble, the disassembly and the assembly of the pressure spring 10 and the clamp spring 11 can be completed by one-man operation under the action of the lock catch 14, the working efficiency is improved, the clamping groove of the central shaft 15 is not abraded in the operation process, the pressure spring 10 does not fly elastically, and the operation safety is high.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a gas pressure regulator pressure spring dismouting specialized tool, includes the first pincers body and the second pincers body, and first pincers body middle part and second pincers body middle part rotate through pivot (5) and connect, and the first pincers body has last handle (1) and lower tong pole (2) of a body structure, and the second pincers body has lower handle (3) and last tong pole (4), characterized by of a body structure: go up tong pole (4) front end rigid coupling and press last vice jaw (6) in pressure spring (10) up end, lower tong pole (2) front end rigid coupling has lower vice jaw (7) that supports pressure spring (10) bottom surface, go up and set up diameter on vice jaw (6) and be greater than through-hole (8) of the used jump ring (11) diameter of voltage regulator, set up outside open-ended U-shaped groove (9) on vice jaw (7) down, go up and be equipped with hasp (14) of locking upper tong pole (4) and lower tong pole (2) when pushing down pressure spring (10) between tong pole (4) rear end and lower tong pole (2) rear end.

2. The special tool for disassembling and assembling a pressure spring of a gas pressure regulator according to claim 1, characterized in that: last tong bar (4) rear end be equipped with rotation axis (12), lower tong bar (2) rear end is equipped with fixed axle (13), hasp (14) one end is rotated with rotation axis (12) and is connected, hasp (14) other end card goes into fixed axle (13) and locks last tong bar (4) and lower tong bar (2) when pushing down pressure spring (10).

3. The special tool for disassembling and assembling a pressure spring of a gas pressure regulator according to claim 1, characterized in that: the upper jaw (6) is provided with an upper circular ring (6-1) and a top plate (6-2), the top plate (6-2) is fixed on the upper end surface of the upper circular ring (6-1), and the through hole (8) is positioned in the center of the top plate (6-2).

4. The special tool for disassembling and assembling a pressure spring of a gas pressure regulator according to claim 3, wherein: the lower jaw (7) is provided with a lower circular ring (7-1) and a bottom plate (7-2), the outer side of the lower circular ring (7-1) is cut and opened, the center of the lower circular ring (7-1) is coaxial with the center of the upper circular ring (6-1), and the U-shaped groove (9) is formed in the bottom plate (7-2) and extends from the opening of the lower circular ring (7-1) to the center of the bottom plate (7-2).