Airtightness detection tool for air breathing cylinder

Abstract

The utility model discloses an air tightness detection tool for an air breathing gas cylinder, which comprises a box body, a clamping mechanism, a pressing mechanism and a testing mechanism, a lead screw of the clamping mechanism is rotatably arranged on the side edge of the box body, the lead screw is in threaded fit with the side edge of the box body, the lead screw is rotatably connected with the non-working end of a clamping piece, and the clamping piece is arranged on the clamping mechanism. A sliding rod is fixedly arranged at the non-working end of the clamping piece, and the sliding rod is in sliding fit with the side edge of the box body; the working ends of the clamping pieces are cambered surfaces matched with the gas cylinder body; the top end of the gas cylinder body is matched with a pressing mechanism at the top end of the box body, and a cylinder nozzle at the lower end of the gas cylinder body is matched with an inflation seat on a bottom plate of the testing mechanism. The air tightness detection tool for the air breathing gas cylinder is simple in structure and practical in function, and effectively solves the problem that the existing air tightness detection tool for the air breathing gas cylinder is difficult to fix the gas cylinder and align to the mouth of the gas cylinder when detecting the gas cylinders with different diameters.

Description

Technical Field

[0001] The utility model relates to the field of gas cylinder detection tooling, in particular to an airtightness detection tooling for air breathing gas cylinders. Background Art

[0002] An air respirator is a self-contained open air respirator. It is widely used in firefighting, chemical industry, shipping, petroleum, smelting, warehouses, laboratories, mines and other departments. It allows firefighters or emergency rescue personnel to safely and effectively extinguish fires, carry out emergency rescue and rescue work in various environments such as thick smoke, poisonous gas, steam or hypoxia. Air breathing cylinders are an important part of air respirators. The air tightness test of air breathing cylinders needs to be tested with professional equipment. However, the existing air tightness test tooling for air breathing cylinders is difficult to fix and align the cylinder with the bottle mouth when testing cylinders of different diameters. Therefore, how to develop a new type of air tightness test tooling for air breathing cylinders has become a problem that needs to be solved urgently by technicians in this field. Utility Model Content

[0003] The utility model aims to provide an airtightness detection tool for air breathing gas cylinders, which solves the problem that the existing airtightness detection tool for air breathing gas cylinders is difficult to fix the gas cylinders and align the bottle mouths of the gas cylinders when detecting gas cylinders with different diameters.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses an airtightness detection tool for air breathing gas cylinders, comprising a box body, a clamping mechanism, a pressing mechanism and a testing mechanism, wherein the clamping mechanism comprises a lead screw, a sliding rod and a clip, wherein the lead screw is rotatably arranged on the side of the box body, the lead screw is threadedly matched with the side of the box body, the lead screw is rotatably connected with a non-working end of the clip, the non-working end of the clip is fixedly provided with a sliding rod, and the sliding rod is slidably matched with the side of the box body; the working end of the clip is an arc surface matched with the gas cylinder body; the top end of the gas cylinder body is matched with the pressing mechanism at the top end of the box body, and the bottle mouth at the lower end of the gas cylinder body is matched with the inflation seat on the bottom plate of the testing mechanism.

[0006] Furthermore, a handwheel is provided at one end of the lead screw away from the box body.

[0007] Furthermore, a top screw is arranged on the clip, and a top block cooperating with the gas cylinder body is arranged on the top screw.

[0008] Furthermore, the clamping mechanism includes a cylinder, a sliding frame and a pressure column. The cylinder is fixedly arranged at the top of the box body. The piston rod of the cylinder passes downward through the box body and is fixedly connected to the sliding frame. The pressure column can be slid up and down in the sliding frame. A spring is arranged between the pressure column and the sliding frame.

[0009] Furthermore, a pressure plate is provided at the bottom end of the pressure column to cooperate with the top end of the gas cylinder body.

[0010] Furthermore, the bottom plate of the testing mechanism can be slidably arranged on a slide rail, and the slide rail is fixedly arranged on the rear end surface of the box body.

[0011] Furthermore, the inflation seat on the bottom plate of the testing mechanism is connected to the air tightness detector at the bottom end of the box through a connecting pipe.

[0012] Furthermore, the bottom end of the box body is provided with supporting legs.

[0013] Furthermore, a handle is provided at the front end of the bottom plate of the testing mechanism.

[0014] Compared with the prior art, the beneficial technical effects of the utility model are:

[0015] The utility model airtightness testing tool for air breathing gas cylinders realizes the fixing work of gas cylinders of different diameters by arranging a top block driven by a top screw on an arc-shaped clamping piece; the inflation seat of the utility model airtightness testing tool for air breathing gas cylinders is arranged on a bottom plate that can slide back and forth, and the inflation seat can be aligned with the bottle mouths of gas cylinders of different diameters by moving the bottom plate. In general, the utility model airtightness testing tool for air breathing gas cylinders has a simple structure and practical functions, and effectively solves the problem that the existing airtightness testing tool for air breathing gas cylinders is difficult to fix and align with the bottle mouths of gas cylinders when testing gas cylinders of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 This is a front view of the air tightness detection tooling for air breathing cylinders of the utility model;

[0018] Figure 2 This is a front view of the air tightness detection tooling for the air breathing cylinder of the utility model (excluding the cylinder body);

[0019] Figure 3 It is a top view of the clamping mechanism;

[0020] Figure 4 This is an enlarged view of the clamping mechanism;

[0021] Figure 5A top view of the test structure.

[0022] Explanation of the reference numerals in the accompanying drawings: 1. Box body; 101. Leg; 2. Clamping mechanism; 201. Screw; 202. Slide rod; 203. Hand wheel; 204. Clip; 205. Top screw; 206. Top block; 3. Pressing mechanism; 301. Cylinder; 302. Spring; 303. Sliding frame; 304. Pressing column; 4. Testing mechanism; 401. Air tightness tester; 402. Connecting pipe; 403. Bottom plate; 404. Inflating seat; 405. Slide rail; 406. Handle; 5. Gas cylinder body. DETAILED DESCRIPTION

[0023] like Figures 1 to 5 As shown, a gas tightness detection tool for air breathing gas cylinders includes a box body 1, a clamping mechanism 2, a pressing mechanism 3 and a testing mechanism 4. The clamping mechanism 2 is arranged on the side of the box body 1, the pressing mechanism 3 is arranged on the top of the box body 1, and the testing mechanism 4 is arranged at the bottom of the box body 1. The bottom end of the box body 1 is provided with a support leg 101.

[0024] The clamping mechanism 2 includes a lead screw 201, a slide bar 202 and a clamping piece 204. The lead screw 201 is rotatably arranged on the side of the box body 1. The lead screw 201 is threadedly matched with the side of the box body 1. The lead screw 201 is rotatably connected with the non-working end of the clamping piece 204. A hand wheel 203 is arranged at one end of the lead screw 201 away from the box body 1.

[0025] The non-working end of the clip 204 is fixedly provided with a slide bar 202, and the slide bar 202 is slidably matched with the side of the box body 1; the working end of the clip 204 is an arc surface matched with the gas cylinder body 5. The clip 204 is provided with a top screw 205, and the top screw 205 is provided with a top block 206 matched with the gas cylinder body 5.

[0026] The utility model of the airtightness detection tool for air breathing gas cylinders realizes the fixing work of gas cylinders with different diameters by arranging a top block 206 driven by a top screw 205 on an arc-shaped clamping piece 204.

[0027] The top of the gas cylinder body 5 cooperates with the pressing mechanism 3 at the top of the box body 1 , and the bottle mouth at the lower end of the gas cylinder body 5 cooperates with the inflation seat 404 on the bottom plate 403 of the testing mechanism 4 .

[0028] Specifically, the clamping mechanism 3 includes a cylinder 301, a sliding frame 303 and a pressure column 304. The cylinder 301 is fixedly arranged at the top of the box body 1. The piston rod of the cylinder 301 passes downward through the box body 1 and is fixedly connected to the sliding frame 303. The pressure column 304 is slidable up and down in the sliding frame 303. A spring 302 is arranged between the pressure column 304 and the sliding frame 303.

[0029] The bottom end of the pressure column 304 is provided with a pressure plate that cooperates with the top end of the gas cylinder body 5 .

[0030] The clamping mechanism 3 can make the gas cylinder body 5 to be tested and the inflation seat 404 fit more tightly.

[0031] The bottom plate 403 of the testing mechanism 4 is slidably arranged on the slide rail 405 , and a handle 406 is arranged at the front end of the bottom plate 403 of the testing mechanism 4 . The slide rail 405 is fixedly arranged on the rear end surface of the box body 1 .

[0032] The inflatable seat 404 on the bottom plate 403 of the testing mechanism 4 is connected to the air tightness detector 401 at the bottom end of the box body 1 through the connecting pipe 402.

[0033] When the gas cylinder bodies 5 of different diameters are centered and supported by the clamping mechanism 2, the bottle mouths of the gas cylinder bodies 5 are offset along the direction of the slide rail 405. The inflating seat 404 of the airtightness detection tooling for air breathing gas cylinders of the utility model is arranged on a bottom plate 403 that can slide forward and backward, and the inflating seat 404 can be aligned with the bottle mouths of gas cylinders of different diameters by moving the bottom plate 403.

[0034] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An air tightness detection tool for air breathing cylinders, characterized in that: The invention comprises a box body (1), a clamping mechanism (2), a pressing mechanism (3) and a testing mechanism (4); the clamping mechanism (2) comprises a lead screw (201), a slide rod (202) and a clamping piece (204); the lead screw (201) is rotatably arranged on the side of the box body (1); the lead screw (201) is threadedly matched with the side of the box body (1); the lead screw (201) is rotatably connected with the non-working end of the clamping piece (204); the clamping piece (204) is rotatably connected with the non-working end of the clamping piece (204); the A sliding rod (202) is fixedly provided at the non-working end of the plate (204), and the sliding rod (202) is slidably matched with the side of the box body (1); the working end of the clamping plate (204) is an arc surface that matches with the gas cylinder body (5); the top end of the gas cylinder body (5) matches with the clamping mechanism (3) at the top end of the box body (1), and the bottle mouth at the lower end of the gas cylinder body (5) matches with the inflation seat (404) on the bottom plate (403) of the testing mechanism (4).

2. The air tightness detection tool for air breathing cylinders according to claim 1 is characterized in that: A hand wheel (203) is provided at one end of the lead screw (201) away from the box body (1).

3. The air tightness detection tool for air breathing cylinders according to claim 1 is characterized in that: The clamping piece (204) is provided with a top screw (205), and the top screw (205) is provided with a top block (206) that matches the gas cylinder body (5).

4. The air tightness detection tool for air breathing cylinders according to claim 1 is characterized in that: The clamping mechanism (3) comprises a cylinder (301), a sliding frame (303) and a pressure column (304); the cylinder (301) is fixedly arranged at the top end of the box body (1); the piston rod of the cylinder (301) passes downward through the box body (1) and is fixedly connected to the sliding frame (303); the pressure column (304) is slidably arranged in the sliding frame (303) up and down; and a spring (302) is arranged between the pressure column (304) and the sliding frame (303).

5. The air tightness detection tool for air breathing cylinders according to claim 4 is characterized in that: The bottom end of the pressure column (304) is provided with a pressure plate that cooperates with the top end of the gas cylinder body (5).

6. The air tightness detection tool for air breathing cylinders according to claim 1 is characterized in that: The bottom plate (403) of the testing mechanism (4) is slidably arranged on a slide rail (405) which is fixedly arranged on the rear end surface of the box body (1).

7. The airtightness detection tool for air breathing cylinders according to claim 6 is characterized in that: The inflatable seat (404) on the bottom plate (403) of the testing mechanism (4) is connected to the air tightness detector (401) at the bottom end of the box (1) via a connecting pipe (402).

8. The air tightness detection tool for air breathing cylinders according to claim 1 is characterized in that: The bottom end of the box body (1) is provided with a supporting leg (101).

9. The air tightness detection tool for air breathing cylinders according to claim 6, characterized in that: A handle (406) is provided at the front end of the bottom plate (403) of the testing mechanism (4).

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