Portable cylinder valve dismounting clamp

Abstract

The utility model belongs to the technical field of gas cylinder inspection equipment, and particularly relates to a portable gas cylinder valve dismounting clamp which comprises a groove-shaped frame body, an opening of the groove-shaped frame body faces one side, the bottom end of the frame body is connected with one end of a chain, and the other end of the chain is detachably connected with the top end of the frame body. A clamping block is arranged in the frame body, can be driven by a driving mechanism to eject towards the opening direction of the groove-shaped frame body to clamp the gas cylinder, and can be retracted; a bottom beam is fixedly connected to the bottom of the frame body and used for being treaded and fixed by people. The device is portable, light in weight and convenient to carry; the gas cylinder is wrapped by the chain, the contact area with a cylinder body is large, stress is uniform, wrapping force is higher after force is applied, the gas cylinder is prevented from rotating, and the cylinder valve can be disassembled by one person.

Description

Technical Field

[0001] The utility model relates to a portable gas cylinder valve disassembly fixture and belongs to the technical field of gas cylinder inspection equipment. Background Art

[0002] Air respirators are widely used in firefighting, chemical industry, shipbuilding, petroleum, smelting, warehouses, laboratories, mines and other fields. It enables firefighters and rescue personnel to safely and effectively carry out firefighting, emergency rescue and rescue work when facing complex environments such as thick smoke, poisonous gas, steam or lack of oxygen. When inspecting the gas cylinder of the air respirator, it is necessary to fix the gas cylinder first and remove the bottle valve. However, in the past, when removing the bottle valve, two people were required to cooperate, the operation was complicated and easy to slip, which was time-consuming and laborious. Therefore, a gas cylinder valve removal fixture is specially designed, which can be removed by one person, which is simple and practical. In addition, another purpose of this design is to go out to the site, go to various units to spot check the internal conditions of the gas cylinder, and conduct on-site inspections, which is convenient to carry out. Utility Model Content

[0003] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a portable gas cylinder valve disassembly fixture, which is convenient to carry outside and can be operated by one person to disassemble the cylinder valve, which is simple and practical.

[0004] The portable gas cylinder valve disassembly clamp described in the utility model comprises a groove-shaped frame, the opening of the groove-shaped frame faces one side, the bottom end of the frame is connected to one end of a chain, and the other end of the chain is detachably connected to the top end of the frame; a clamping block is arranged in the frame, and the clamping block can be pushed out toward the opening direction of the groove-shaped frame under the drive of a driving mechanism to clamp the gas cylinder, and the clamping block can be retracted; a bottom beam is fixedly connected to the bottom of the frame for personnel to step on and fix it.

[0005] Among them, the top of the frame is provided with a plurality of screw holes so as to adapt to gas cylinders of different specifications. The chain is connected to the top of the frame by butterfly bolts, which is convenient for fixing and disassembly.

[0006] The driving mechanism described in the utility model is a screw rod, the head end of which is rotatably connected to the clamping block, the screw rod passes through the frame body and is threadedly matched with the middle part of the frame body, and a turning handle is provided at the end of the screw rod. Turning the turning handle drives the screw rod to rotate, so that the clamping block can be ejected. The clamping block is located in the frame body, and guard plates are provided on both sides (the figure shows the clamping block structure, and the guard plates are not shown), and the clamping block will not rotate.

[0007] Preferably, the end of the bottom beam is fixedly connected with a bottom plate to facilitate people to step on it.

[0008] Preferably, the bottom plate is comprised of two pieces, which are disposed on the left and right sides of the bottom beam.

[0009] Preferably, the bottom surface of the bottom beam and the bottom plate is provided with a rubber pad to increase the friction with the ground.

[0010] Preferably, the surface of the clamping block in contact with the gas cylinder is V-shaped.

[0011] Preferably, a rubber pad is provided on the V-shaped inner side surface of the clamping block to prevent wear on the outer wall of the gas cylinder.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Portable, light weight, easy to carry;

[0014] 2. Simple operation, not restricted by the on-site environment, and can achieve force output without air source;

[0015] 3. The chain is used to wrap the gas cylinder, which has a large contact area with the bottle body and even force. After the force is applied, the wrapping force is stronger to prevent the gas cylinder from rotating. One person can remove the bottle valve;

[0016] 4. The contact part between the clamp and the bottle body adopts anti-slip rubber pad to prevent the bottle body from being scratched and increase friction;

[0017] 5. The screw is used for advancement, and the force is evenly distributed during the stroke, giving the clamped sample a suitable holding force;

[0018] 6. The chassis is equipped with rubber pads to increase the friction with the ground, making it easier to place it firmly on different grounds;

[0019] 7. The upper end of the chain is movably fixed, and the fixing hole position can be replaced according to the size of the gas cylinder, so as to adapt to various types and diameters of gas cylinders. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is one of the three-dimensional structural schematic diagrams of the utility model;

[0021] Figure 2 It is the front view of the utility model;

[0022] Figure 3 This is the second schematic diagram of the three-dimensional structure of the utility model.

[0023] In the figure: 1. chain; 2. butterfly bolt; 3. screw hole; 4. clamp block; 5. frame; 6. screw rod; 7. handle; 8. bottom beam; 9. bottom plate; 10. gas cylinder; 11. cylinder valve. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with specific embodiments.

[0025] However, the description of the present invention is merely an embodiment of structural and even functional description, and the scope of rights of the present invention is not limited by the embodiments described in the text.

[0026] For example, multiple embodiments may have multiple changes and multiple forms, and it should be understood that the scope of rights of the present utility model includes equivalents that can realize the technical idea.

[0027] like Figures 1 to 3 As shown, this embodiment is implemented through the following technical scheme: it includes a groove-shaped frame 5, the groove-shaped frame 5 is opened to one side, the bottom end of the frame 5 is connected to one end of the chain 1, and a plurality of screw holes 3 are provided on the top of the frame 5. The other end of the chain 1 is detachably connected to the top of the frame 5 by a butterfly bolt 2. The fixing hole position can be replaced according to the size of the gas cylinder 10, so as to adapt to various types and diameters of gas cylinders.

[0028] A clamp block 4 is provided inside the frame 5, and the surface of the clamp block 4 in contact with the gas cylinder 10 is V-shaped, and a rubber pad is provided on the V-shaped inner side of the clamp block 4. The clamp block 4 can be pushed out and retracted in the direction of the opening of the groove-shaped frame 5 under the drive mechanism. The drive mechanism of this embodiment is a screw rod 6, the head end of the screw rod 6 is rotatably connected to the clamp block 4, the screw rod 6 passes through the frame 5 and is threadedly matched with the middle part of the frame 5, and a turning handle 7 is provided at the end of the screw rod 6.

[0029] The bottom of the frame 5 of this embodiment is fixedly connected to a bottom beam 8, and the end of the bottom beam 8 is fixedly connected to a bottom plate 9. The bottom plate 9 is composed of two pieces, which are arranged on the left and right sides of the bottom beam 8. The bottom surfaces of the bottom beam 8 and the bottom plate 9 are provided with rubber pads.

[0030] The method of using this embodiment is as follows:

[0031] 1. Confirm that there is no gas pressure in the gas cylinder 10 to be unloaded;

[0032] 2. Place the gas cylinder 10 between the chain 1 and the clamp 4, with the valve opening facing forward and upward;

[0033] 3. Fix the top of the chain to the appropriate hole and tighten it, then tighten the butterfly bolt 2;

[0034] 4. Rotate the handle 7, the screw rod 6 drives the clamping block 4 to move forward and clamp the gas cylinder 10;

[0035] 5. Screw the bottle valve disassembly wrench connector into the bottle valve port and connect the force rod;

[0036] 6. Rotate the force rod forcefully in the direction of the valve unloading to loosen the bottle valve 11, and then remove the wrench joint to manually disassemble the bottle valve 11.

[0037] Of course, the above contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and any equivalent changes and improvements made by ordinary technicians in the technical field within the essential scope of the present invention shall fall within the scope of the patent coverage of the present invention.

Claims

1. A portable gas cylinder valve disassembly fixture, characterized in that: The invention comprises a groove-shaped frame (5), wherein the opening of the groove-shaped frame (5) faces one side, the bottom end of the frame (5) is connected to one end of a chain (1), and the other end of the chain (1) is detachably connected to the top end of the frame (5); a clamping block (4) is arranged inside the frame (5), and the clamping block (4) can be pushed out in the direction of the opening of the groove-shaped frame (5) and can be retracted under the drive of a driving mechanism; and a bottom beam (8) is fixedly connected to the bottom of the frame (5).

2. The portable gas cylinder valve disassembly fixture according to claim 1, characterized in that: The top of the frame (5) is provided with a plurality of screw holes (3), and the chain (1) is connected to the top of the frame (5) via butterfly bolts (2).

3. The portable gas cylinder valve disassembly fixture according to claim 1, characterized in that: The driving mechanism is a screw rod (6), the head end of which is rotatably connected to the clamping block (4), the screw rod (6) passes through the frame (5) and is threadedly matched with the middle part of the frame (5), and a turning handle (7) is provided at the end of the screw rod (6).

4. The portable gas cylinder valve disassembly fixture according to claim 1, characterized in that: The end of the bottom beam (8) is fixedly connected to a bottom plate (9).

5. The portable gas cylinder valve disassembly fixture according to claim 4, characterized in that: The bottom plate (9) is composed of two pieces, which are arranged on the left and right sides of the bottom beam (8).

6. The portable gas cylinder valve disassembly fixture according to claim 5, characterized in that: The bottom surfaces of the bottom beam (8) and the bottom plate (9) are provided with rubber pads.

7. The portable gas cylinder valve disassembly fixture according to claim 1, characterized in that: The surface of the clamping block (4) in contact with the gas cylinder (10) is V-shaped.

8. The portable gas cylinder valve disassembly fixture according to claim 7, characterized in that: The V-shaped inner side surface of the clamping block (4) is also provided with a rubber pad.

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