Hydrogen leakage detection alarm

Abstract

The utility model relates to the technical field of hydrogen detection, and discloses a hydrogen leakage detection alarm which comprises an equipment body, the rear side of the equipment body is fixedly connected with a back plate, the left side and the right side of the exterior of the back plate are connected with extrusion plates in an attached mode, and the upper portion and the lower portion of one side of each extrusion plate are fixedly connected with sliding blocks. A first telescopic piece is fixedly connected to one side of the sliding block, a first spring sleeves the first telescopic piece, a mounting plate is slidably connected to the rear side of the exterior of the sliding block, sliding grooves are formed in the upper portion and the lower portion of the interior of the mounting plate, and the sliding block is slidably connected to the interior of the sliding grooves; and one end of the first telescopic piece is fixedly connected to one side of the inner wall of the sliding groove, through grooves are formed in the upper side and the lower side, corresponding to each other, of the interior of the extrusion plate, and the fixing assembly is used for fixing the back plate. According to the utility model, the rapid and convenient installation and disassembly of the equipment body are realized, and the time for overhauling the alarm is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen detection, in particular to a hydrogen leakage detection alarm. Background Technique

[0002] A hydrogen leakage detection alarm is a device used to monitor hydrogen leakage and give an alarm. Its working principle is usually based on the combustion characteristics of hydrogen or gas sensor technology. Specifically, these devices use sensors (such as electrochemical sensors, semiconductor sensors or catalytic combustion sensors) to detect the concentration of hydrogen. Once the concentration reaches the set threshold, the device will give an alarm to remind the user.

[0003] When installing the existing alarm, the staff makes drilling marks at the selected wall position corresponding to the two mounting hole positions on the random mounting plate, drills the mounting holes, inserts the random mounting rubber plugs, and then fixes the mounting plate on the wall with the random self-tapping screws; aligns the three hole positions on the back of the body with the fixed hooks on the mounting plate and hangs the body. In this way, the installation of the alarm is completed. However, the installation is troublesome, and when the existing alarm needs to be overhauled, it is not convenient to disassemble. Therefore, a hydrogen leakage detection alarm is proposed to solve the above problems. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a hydrogen leakage detection alarm, aiming to improve the problems of troublesome installation and inconvenient disassembly of the existing alarm when it needs to be overhauled.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydrogen leakage detection alarm, including a device body, a back plate is fixedly connected to the rear side of the device body, extrusion plates are respectively and fittingly connected to the left and right sides of the outside of the back plate, sliders are respectively and fixedly connected to the upper and lower sides of one side of the extrusion plate, a first telescopic member is fixedly connected to one side of the slider, a first spring is sleeved outside the first telescopic member, a mounting plate is slidably connected to the rear side of the outside of the slider, chutes are respectively opened in the upper and lower parts of the inside of the mounting plate, the slider is slidably connected to the inside of the chute, one end of the first telescopic member is fixedly connected to one side of the inner wall of the chute, through grooves are respectively opened in the upper and lower corresponding sides of the inside of the extrusion plate, and a fixing component is fixedly connected to one side of the inside of the through groove, and the fixing component is used for fixing the back plate.

[0006] As a further description of the above technical solution:

[0007] On the upper left side of the device body, there is a connecting pipe connected by thread. On the left side of the outer part of the connecting pipe, there is a connector connected by thread. Inside the connector, there is a wire harness connected by snap fit. On the upper and lower sides inside the connector, there are sleeves fixedly connected. Inside the sleeve, there is a rotating rod connected by sliding. One end of the rotating rod is fixedly connected with a rotating ring, and the other end of the rotating rod is fixedly connected with a screw rod. On one side of the outer part of the rotating rod, there is a moving plate fixedly connected. Inside the sleeve, there is a limiting groove, and the moving plate is slidably connected inside the limiting groove. A torsion spring is sleeved on the outer part of the rotating rod.

[0008] As a further description of the above technical solution:

[0009] The fixing component includes a second telescopic member, which is fixedly connected to one side of the inner wall of the through groove. The corresponding end of the second telescopic member is fixedly connected with a clamping block, and the clamping block is slidably connected inside the back plate. A second spring is sleeved on the outer part of the second telescopic member.

[0010] As a further description of the above technical solution:

[0011] One end of the first spring is fixedly connected to one side of the inner wall of the chute, and the other end of the first spring is fixedly connected to one side of the clamping block.

[0012] As a further description of the above technical solution:

[0013] One end of the second spring is fixedly connected to one side of the inner wall of the through groove provided inside the pressing plate, and the other end of the second spring is fixedly connected to one side of the clamping block.

[0014] As a further description of the above technical solution:

[0015] One end of the torsion spring is fixedly connected to one side of the inner wall of the sleeve, and the other end of the torsion spring is fixedly connected to one side of the moving plate.

[0016] As a further description of the above technical solution:

[0017] On the lower corresponding side of the pressing plate, there is a double-headed telescopic rod fixedly connected, and the back plate is elastically attached to the upper part of the double-headed telescopic rod.

[0018] As a further description of the above technical solution:

[0019] The screw rod is threadedly connected to the upper and lower parts inside the connecting pipe.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the present utility model, by threadedly connecting the connector to the connecting pipe, inserting the wire harness into it and connecting it to the device body, rotating the swivel ring to rotate the rotating rod, which drives the screw rod to move and screw into the inside of the connecting pipe, and at the same time driving the moving plate to move inside the limiting groove, rotating and pulling the torsion spring, a stable sealed connection between the wire harness and the device body is achieved, avoiding the bending and breaking of the connection part between the wire harness and the device body after long-term use, which affects the normal use of the device.

[0022] 2. In the present utility model, by inserting the back plate between the pressing plates, the pressing plates are pressed, the double-headed telescopic rod extends, the first telescopic member and the first spring are pressed by the slider, and at the same time after the back plate is inserted between the pressing plates, the clamping block is pressed, so that the clamping block presses the second telescopic member and the second spring, making the clamping block no longer block the back plate. When the back plate fits with the double-headed telescopic rod, the clamping block is no longer pressed, and it is inserted into the inside of the back plate under the resilience of the second telescopic member and the second spring to fix it, achieving quick and convenient installation and disassembly of the device body, and reducing the time for overhauling the alarm. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a perspective view of the hydrogen leakage detection alarm proposed by the present utility model;

[0024] Figure 2 is a rear view sectional view of the hydrogen leakage detection alarm proposed by the present utility model;

[0025] Figure 3 is Figure 2 the enlarged view at A in

[0026] Figure 4 is a schematic diagram of the wire harness connection structure of the hydrogen leakage detection alarm proposed by the present utility model;

[0027] Figure 5 is Figure 4 the enlarged view at B in

[0028] LEGEND DESCRIPTION:

[0029] 1. Device body; 2. Back plate; 3. Mounting plate; 4. Chute; 5. First telescopic member; 6. First spring; 7. Slider; 8. Pressing plate; 9. Double-headed telescopic rod; 10. Connecting pipe; 11. Connector; 12. Wire harness; 13. Clamping block; 14. Second telescopic member; 15. Second spring; 16. Through groove; 17. Sleeve; 18. Swivel ring; 19. Rotating rod; 20. Moving plate; 21. Torsion spring; 22. Limiting groove; 23. Screw rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0031] Referring to Figure 1 , Figure 2 , Figure 3 , an embodiment provided by the present invention: a hydrogen leakage detection alarm, including a device body 1, a back plate 2 is fixedly connected to the rear side of the device body 1, pressing plates 8 are respectively and fittingly connected to the left and right sides of the outside of the back plate 2, sliders 7 are respectively and fixedly connected to the upper and lower sides of one side of the pressing plate 8, a first telescopic member 5 is fixedly connected to one side of the slider 7, a first spring 6 is sleeved outside the first telescopic member 5, the outside of the slider 7 is slidably connected to the rear side of an installation plate 3, chutes 4 are respectively opened in the upper and lower parts of the inside of the installation plate 3, the slider 7 is slidably connected to the inside of the chute 4, one end of the first telescopic member 5 is fixedly connected to one side of the inner wall of the chute 4, through grooves 16 are respectively opened in the upper and lower corresponding sides of the inside of the pressing plate 8, a fixing component is fixedly connected to one side of the inside of the through groove 16, and the fixing component is used for fixing the back plate 2, one end of the first spring 6 is fixedly connected to one side of the inner wall of the chute 4, and the other end of the first spring 6 is fixedly connected to one side of a clamping block 13;

[0032] The fixing component includes a second telescopic member 14, the second telescopic member 14 is fixedly connected to one side of the inner wall of the through groove 16, a clamping block 13 is fixedly connected to the corresponding end of the second telescopic member 14, the clamping block 13 is slidably connected to the inside of the back plate 2, a second spring 15 is sleeved outside the second telescopic member 14, one end of the second spring 15 is fixedly connected to one side of the inner wall of the through groove 16 provided in the inside of the pressing plate 8, and the other end of the second spring 15 is fixedly connected to one side of the clamping block 13; a double-headed telescopic rod 9 is fixedly connected to the lower corresponding side of the pressing plate 8, and the back plate 2 is elastically and fittingly connected to the upper part of the double-headed telescopic rod 9.

[0033] By fixing the installation plate 3 on the wall and inserting the back plate 2 between the pressing plates 8, the pressing plates 8 are squeezed, the double-headed telescopic rod 9 extends, and at the same time, the first telescopic member 5 and the first spring 6 are squeezed through the slider 7, so that the pressing plates 8 and the back plate 2 are tightly and fittingly connected. At the same time, after the back plate 2 is inserted between the pressing plates 8, the clamping block 13 is squeezed, so that the clamping block 13 squeezes the second telescopic member 14 and the second spring 15 to generate a return force, so that the clamping block 13 no longer blocks the back plate 2. When the back plate 2 is in contact with the double-headed telescopic rod 9, the clamping block 13 is no longer squeezed, and under the return force of the second telescopic member 14 and the second spring 15, it is inserted into the inside of the back plate 2 to fix it, so as to quickly and conveniently install and disassemble the device body 1 and reduce the time for overhauling the alarm.

[0034] Refer to Figure 1 、 Figure 4 、 Figure 5 On the upper left side of the equipment body 1, a connecting pipe 10 is threadedly connected. On the left side of the outside of the connecting pipe 10, a connector 11 is threadedly connected. Inside the connector 11, a wire harness 12 is snap-connected. Inside the connector 11, sleeves 17 are fixedly connected to both the upper and lower parts. Inside the sleeve 17, a rotating rod 19 is slidably connected. One end of the rotating rod 19 is fixedly connected to a rotating ring 18, and the other end of the rotating rod 19 is fixedly connected to a screw rod 23. The screw rod 23 is threadedly connected to the upper and lower parts inside the connecting pipe 10. On one side of the outside of the rotating rod 19, a moving plate 20 is fixedly connected. Inside the sleeve 17, a limiting groove 22 is formed. The moving plate 20 is slidably connected inside the limiting groove 22. A torsion spring 21 is sleeved on the outside of the rotating rod 19. One end of the torsion spring 21 is fixedly connected to one side of the inner wall of the sleeve 17, and the other end of the torsion spring 21 is fixedly connected to one side of the moving plate 20.

[0035] By threadedly connecting the connecting pipe 10 to the equipment body 1, then threadedly connecting the connector 11 to the left side of the connecting pipe 10, inserting the wire harness 12 into it and connecting it to the equipment body 1 to ensure the normal use of the equipment, and rotating the rotating ring 18 to rotate the rotating rod 19, which drives the screw rod 23 to move and screw into the inside of the connecting pipe 10, so that the connector 11 is fixedly connected to the connecting pipe 10, avoiding loosening and falling off due to direct snap connection. At the same time, driving the moving plate 20 to move inside the limiting groove 22, rotating and pulling the torsion spring 21 to generate a tensile force, so as to stably seal and connect the wire harness 12 to the equipment body 1, avoiding the bending and breaking of the connection part between the wire harness 12 and the equipment body 1 after long-term use, which affects the normal use of the equipment.

[0036] Working principle: When the device needs to be used, by threadedly connecting the connector 11 to the connecting pipe 10, inserting the wire harness 12 into it and connecting it to the equipment body 1, and rotating the rotating ring 18 to rotate the rotating rod 19, which drives the screw rod 23 to move and screw into the inside of the connecting pipe 10. At the same time, driving the moving plate 20 to move inside the limiting groove 22, rotating and pulling the torsion spring 21, realizing the stable sealed connection between the wire harness 12 and the equipment body 1, avoiding the bending and breaking of the connection part between the wire harness 12 and the equipment body 1 after long-term use, which affects the normal use of the equipment;

[0037] By fixing the mounting plate 3 on the wall, inserting the back plate 2 between the extrusion plates 8, the extrusion plates 8 are extruded, the double-headed telescopic rod 9 extends, the first telescopic member 5 and the first spring 6 are extruded by the slider 7. At the same time, after the back plate 2 is inserted between the extrusion plates 8, the clamping block 13 is extruded, so that the clamping block 13 extrudes the second telescopic member 14 and the second spring 15, and the clamping block 13 no longer blocks the back plate 2. When the back plate 2 is in contact with the double-headed telescopic rod 9, the clamping block 13 is no longer extruded, and it is inserted into the interior of the back plate 2 under the resilience of the second telescopic member 14 and the second spring 15 to fix it, realizing the quick and convenient installation and disassembly of the device body 1, and reducing the time for repairing the alarm.

[0038] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Hydrogen leakage detection alarm, comprising a device body (1), characterized in that: A back plate (2) is fixedly connected to the rear side of the device body (1). Extrusion plates (8) are fitted and connected to both the left and right sides of the outside of the back plate (2). Sliders (7) are fixedly connected to both the upper and lower sides of one side of the extrusion plate (8). A first telescopic member (5) is fixedly connected to one side of the slider (7). A first spring (6) is sleeved outside the first telescopic member (5). The outside of the slider (7) is slidably connected to a mounting plate (3). Chutes (4) are respectively opened in the upper and lower parts of the mounting plate (3). The slider (7) is slidably connected inside the chute (4). One end of the first telescopic member (5) is fixedly connected to one side of the inner wall of the chute (4). Through grooves (16) are respectively opened in the upper and lower corresponding sides of the extrusion plate (8). A fixing component is fixedly connected to one side inside the through groove (16). The fixing component is used for fixing the back plate (2).

2. The hydrogen leakage detection alarm according to claim 1, characterized in that: A connecting pipe (10) is threadedly connected to the upper left side of the device body (1). A connector (11) is threadedly connected to the left side of the outside of the connecting pipe (10). A wire harness (12) is snap-fitted and connected inside the connector (11). Sleeves (17) are fixedly connected to both the upper and lower parts inside the connector (11). A rotating rod (19) is slidably connected inside the sleeve (17). A rotating ring (18) is fixedly connected to one end of the rotating rod (19). A screw rod (23) is fixedly connected to the other end of the rotating rod (19). A moving plate (20) is fixedly connected to one side of the outside of the rotating rod (19). A limiting groove (22) is opened inside the sleeve (17). The moving plate (20) is slidably connected inside the limiting groove (22). A torsion spring (21) is sleeved outside the rotating rod (19).

3. The hydrogen leakage detection alarm according to claim 1, characterized in that: The fixing component includes a second telescopic member (14). The second telescopic member (14) is fixedly connected to one side of the inner wall of the through groove (16). A clamping block (13) is fixedly connected to the corresponding end of the second telescopic member (14). The clamping block (13) is slidably connected inside the back plate (2). A second spring (15) is sleeved outside the second telescopic member (14).

4. The hydrogen leakage detection alarm according to claim 1, wherein: One end of the first spring (6) is fixedly connected to one side of the inner wall of the chute (4). The other end of the first spring (6) is fixedly connected to one side of the clamping block (13).

5. The hydrogen leakage detection alarm according to claim 3, characterized in that: One end of the second spring (15) is fixedly connected to one side of the inner wall of the through groove (16) provided inside the extrusion plate (8). The other end of the second spring (15) is fixedly connected to one side of the clamping block (13).

6. The hydrogen leakage detection alarm according to claim 2, wherein: One end of the torsion spring (21) is fixedly connected to one side of the inner wall of the sleeve (17). The other end of the torsion spring (21) is fixedly connected to one side of the moving plate (20).

7. The hydrogen leakage detection alarm according to claim 1, characterized in that: A double-headed telescopic rod (9) is fixedly connected to the lower corresponding side of the extrusion plate (8). The back plate (2) is elastically fitted and connected to the upper part of the double-headed telescopic rod (9).

8. The hydrogen leakage detection alarm according to claim 2, wherein: The screw rod (23) is threadedly connected to the upper and lower parts inside the connecting pipe (10).

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