Portable gas detector calibration box

Abstract

The utility model discloses a portable gas detector calibration box which comprises a protection box, a gas detection calibrator is arranged in an inner cavity of the protection box, the top of the gas detection calibrator is rotatably connected with a protection cover, an inner box is arranged in the inner cavity of the protection box, the gas detection calibrator is installed in an inner cavity of the inner box, and the protection cover is rotatably connected with the protection cover. Fixing rods are fixedly connected to the four corners of the inner box, fixing pins are fixedly connected to the four corners of an inner cavity of the protection box, and dampers are arranged at the four corners of the inner cavity of the protection box. The protective box and the protective cover are used in cooperation to protect the gas detection calibrator and carry the gas detection calibrator integrally, meanwhile, the fixing rod, the fixing pin and the damper are used in cooperation to achieve the shockproof effect on the inner box and the gas detection calibrator, and meanwhile, under the action of the locking assembly, the gas detection calibrator is prevented from falling off. The gas detection calibrator is convenient to disassemble, assemble or maintain by a user, and the aims of being convenient to carry, effectively protecting and resisting shock and convenient to disassemble, assemble and maintain can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of anaerobic self-rescuer inspection, in particular to a portable gas detector calibration box. Background Art

[0002] Compressed oxygen self-rescuer, also known as isolated compressed oxygen self-rescuer, is a reusable self-rescue escape device that uses high-pressure compressed oxygen as the oxygen source. It is mainly used in coal mines or working environments with normal atmospheric pressure when toxic and harmful gas outbursts and oxygen-deficient asphyxiation disasters occur.

[0003] As a self-rescue and escape device, the compressed oxygen self-rescuer needs to be inspected regularly. Generally, the air bag part is inspected and calibrated by a gas detector to ensure that the compressed oxygen self-rescuer is in a normal and intact state. For this purpose, it is necessary to provide a portable gas detector calibration box with an integrated design of instrument and protective box, which is convenient for users to carry. At the same time, it is equipped with an anti-seismic and quick disassembly structure to protect the instrument and facilitate maintenance and inspection by users. Utility Model Content

[0004] The purpose of this utility model is to provide a portable gas detector calibration box, which adopts an integrated design of instrument and protective box, which is convenient for users to carry. At the same time, it is equipped with a shock-resistant and quick disassembly and assembly structure to protect the instrument and facilitate maintenance and inspection by users, so as to solve the above-mentioned technical problems.

[0005] The technical solution of the utility model for solving the above technical problems is as follows: A portable gas detector calibration box, comprising a protective box: the inner cavity of the protective box is provided with a gas detection calibrator, the top of the gas detection calibrator is rotatably connected to a protective cover, the inner cavity of the protective box is provided with an inner box, the gas detection calibrator is installed in the inner cavity of the inner box, the four corners of the inner box are fixedly connected with a fixing rod, the four corners of the inner cavity of the protective box are fixedly connected with a fixing pin, the four corners of the inner cavity of the protective box are provided with a damper, one end of the damper is rotatably connected to the surface of the fixing pin, the other end of the damper is rotatably connected to the surface of the fixing rod, and locking assemblies are provided on both sides of the top of the inner box.

[0006] Preferably, the locking assembly includes a limit card slidably connected to the top of the inner box, and limit slots adapted to the limit card are provided on both sides of the top of the gas detection calibrator. The front and rear sides of the bottom of the limit card are fixedly connected with T-shaped sliders, and two T-shaped grooves adapted to the T-shaped sliders are provided on both sides of the top of the inner box.

[0007] Preferably, a return spring is welded to one side of the T-shaped slider, and one end of the return spring away from the T-shaped slider is welded to the inner wall of the T-shaped slot.

[0008] Preferably, a compression spring is sleeved on the surface of the damper, one end of the compression spring is welded to the piston rod of the damper, and the other end of the compression spring is welded to the cylinder tube of the damper.

[0009] Preferably, both sides of the front surface of the protection box are fixedly connected with rotary lock buckles, and both sides of the front surface of the protection cover are fixedly connected with lock ears that are compatible with the rotary lock buckles.

[0010] Preferably, a handle is fixedly connected to the top of the protective cover.

[0011] 1. The beneficial effects of the present invention are as follows: the present invention protects the gas detection calibrator and allows it to be carried as a whole through the coordinated use of the protective box and the protective cover; at the same time, with the coordinated use of the fixing rod, the fixing pin and the damper, the inner box and the gas detection calibrator are provided with a shockproof effect; at the same time, with the action of the locking assembly, it is convenient for the user to disassemble or maintain the gas detection calibrator, thereby achieving the purpose of easy carrying, effective protection against shock, and easy disassembly and maintenance.

[0012] 2. The utility model sets a locking assembly, in which the limit card and the limit card slot are used in conjunction to achieve a limit locking effect on the gas detection calibrator, so that the gas detection calibrator can be quickly and stably installed in the inner cavity of the inner box. At the same time, with the cooperation of the T-shaped slider and the return spring, the limit card can actively engage with the inner cavity of the limit card slot to limit lock the gas detection calibrator.

[0013] 3. The utility model seals the top of the protective box by using a rotating lock and a lock ear, so that the gas detection calibrator located in the inner cavity of the protective box is effectively protected, thereby preventing the gas detection calibrator from being exposed to the outside and being damaged by external factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] in:

[0015] Figure 1 This is a three-dimensional schematic diagram of an embodiment of the utility model;

[0016] Figure 2 This is a three-dimensional exploded view of a protective box, a gas detection calibrator, an inner box and a damper according to an embodiment of the present invention;

[0017] Figure 3 This is a three-dimensional exploded view of a gas detection calibrator and an inner box according to an embodiment of the present invention;

[0018] Figure 4 This is an embodiment of the utility model Figure 3 A partial enlarged view of point A.

[0019] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0020] 1. Protective box, 2. Gas detection calibrator, 3. Protective cover, 4. Inner box, 5. Fixing rod, 6. Fixing pin, 7. Damper, 8. Locking assembly, 81. Limiting card, 82. Limiting slot, 83. T-shaped slider, 84. T-shaped slide, 85. Reset spring, 9. Compression spring, 10. Rotating lock, 11. Lock ear, 12. Handle. DETAILED DESCRIPTION

[0021] Hereinafter, an embodiment of a portable gas detector calibration box of the present invention will be described with reference to the accompanying drawings.

[0022] Figure 1-4The portable gas detector calibration box of an embodiment of the present invention is shown, comprising a protective box 1: the inner cavity of the protective box 1 is provided with a gas detection calibrator 2, the top of the gas detection calibrator 2 is rotatably connected to a protective cover 3, the top of the protective cover 3 is fixedly connected to a handle 12, the inner cavity of the protective box 1 is provided with an inner box 4, the gas detection calibrator 2 is installed in the inner cavity of the inner box 4, the four corners of the inner box 4 are fixedly connected to a fixing rod 5, the four corners of the inner cavity of the protective box 1 are fixedly connected to a fixing pin 6, the four corners of the inner cavity of the protective box 1 are provided with a damper 7, the surface of the damper 7 is provided with a pressure-bearing Spring 9, one end of the compression spring 9 is welded to the piston rod of the damper 7, and the other end of the compression spring 9 is welded to the cylinder tube of the damper 7. Rotary lock buckles 10 are fixedly connected to both sides of the front surface of the protective box 1, and lock ears 11 that are compatible with the rotary lock buckle 10 are fixedly connected to both sides of the front surface of the protective cover 3. Through the coordinated use of the rotary lock buckle 10 and the lock ear 11, the top of the protective box 1 is sealed, so that the gas detection calibrator 2 located in the inner cavity of the protective box 1 is effectively protected, thereby preventing the gas detection calibrator 2 from being exposed to the outside and damaged by external factors. The phenomenon occurs, one end of the damper 7 is rotatably connected to the surface of the fixing pin 6, and the other end of the damper 7 is rotatably connected to the surface of the fixing rod 5. Locking components 8 are provided on both sides of the top of the inner box 4. The locking component 8 includes a limit card 81 slidably connected to the top of the inner box 4. Limit card slots 82 adapted to the limit card 81 are provided on both sides of the top of the gas detection calibrator 2. The front and rear sides of the bottom of the limit card 81 are fixedly connected to a T-shaped slider 83. Two T-shaped slide grooves 84 adapted to the T-shaped slider 83 are provided on both sides of the top of the inner box 4. The T-shaped slider 8 3 is welded with a return spring 85 on one side, and the end of the return spring 85 away from the T-shaped slider 83 is welded to the inner wall of the T-shaped slide groove 84. Through the setting of the locking component 8, the limit card 81 and the limit card groove 82 are used in conjunction with each other, which plays a limit locking role on the gas detection calibrator 2, so that the gas detection calibrator 2 can be quickly and stably installed in the inner cavity of the inner box 4. At the same time, with the cooperation of the T-shaped slider 83 and the return spring 85, the limit card 81 can actively engage with the inner cavity of the limit card groove 82 to limit and lock the gas detection calibrator 2.

[0023] Working principle: When the present invention is used, the user places the gas detection calibrator 2 in the inner cavity of the inner box 4. At this time, the two limit clamps 81 are squeezed and move backwards, and the reset spring 85 is compressed. After the gas detection calibrator 2 is completely engaged in the inner cavity of the inner box 4, the limit clamp 81 is engaged in the inner cavity of the limit slot 82 under the elastic push of the reset spring 85, and the gas detection calibrator 2 is limited and locked, so that the gas detection calibrator 2 is stably installed in the inner cavity of the inner box 4. Then the user flips the protective cover 3 and puts the protective cover 3 on. The cover is placed on the top of the protective box 1, and the rotary lock 10 is rotated so that the rotary lock 10 is engaged with the surface of the lock ear 11, and the handle 12 is held to carry the protective box 1 and the gas detection calibrator 2. When the protective box 1 is bumped, the vibration is transmitted to the inner cavity of the protective box 1. At this time, the damper 7 and the compressed spring 9 expand and contract, and quickly return to their original state to buffer the vibration, thereby avoiding violent shaking of the inner box 4 and the gas detection calibrator 2 inside, thereby playing a role in shock protection for the electrical components inside the gas detection calibrator 2.

[0024] To sum up: this portable gas detector calibration box, through the coordinated use of the protective box 1 and the protective cover 3, protects the gas detection calibrator 2 and allows it to be carried as a whole. At the same time, with the coordinated use of the fixing rod 5, the fixing pin 6 and the damper 7, it has a shock-proof effect on the inner box 4 and the gas detection calibrator 2. At the same time, under the action of the locking assembly 8, it is convenient for the user to disassemble or maintain the gas detection calibrator 2, thereby achieving the purpose of easy carrying, effective protection against shock and easy disassembly and maintenance.

Claims

1. A portable gas detector calibration box, characterized in that: The invention comprises a protective box (1): the inner cavity of the protective box (1) is provided with a gas detection calibrator (2), the top of the gas detection calibrator (2) is rotatably connected to a protective cover (3), the inner cavity of the protective box (1) is provided with an inner box (4), the gas detection calibrator (2) is installed in the inner cavity of the inner box (4), the four corners of the inner box (4) are fixedly connected to fixed rods (5), the four corners of the inner cavity of the protective box (1) are fixedly connected to fixed pins (6), the four corners of the inner cavity of the protective box (1) are provided with dampers (7), one end of the damper (7) is rotatably connected to the surface of the fixed pin (6), the other end of the damper (7) is rotatably connected to the surface of the fixed rod (5), and locking components (8) are provided on both sides of the top of the inner box (4).

2. A portable gas detector calibration box according to claim 1, characterized in that: The locking assembly (8) includes a limit card (81) slidably connected to the top of the inner box (4); limit card slots (82) adapted to the limit card (81) are provided on both sides of the top of the gas detection calibrator (2); the front and rear sides of the bottom of the limit card (81) are fixedly connected to T-shaped sliders (83); and two T-shaped sliding grooves (84) adapted to the T-shaped sliders (83) are provided on both sides of the top of the inner box (4).

3. A portable gas detector calibration box according to claim 2, characterized in that: A return spring (85) is welded to one side of the T-shaped slider (83), and one end of the return spring (85) away from the T-shaped slider (83) is welded to the inner wall of the T-shaped sliding groove (84).

4. A portable gas detector calibration box according to claim 3, characterized in that: A compression spring (9) is sleeved on the surface of the damper (7), one end of the compression spring (9) is welded to the piston rod of the damper (7), and the other end of the compression spring (9) is welded to the cylinder tube of the damper (7).

5. A portable gas detector calibration box according to claim 4, characterized in that: Both sides of the front surface of the protection box (1) are fixedly connected with rotary lock buckles (10), and both sides of the front surface of the protection cover (3) are fixedly connected with lock ears (11) that are compatible with the rotary lock buckles (10).

6. A portable gas detector calibration box according to claim 5, characterized in that: A handle (12) is fixedly connected to the top of the protective cover (3).

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