Gas leakage alarm device

Abstract

The utility model belongs to the field of gas leakage alarm devices, and particularly relates to a gas leakage alarm device which comprises an alarm device body. A mounting seat is arranged at the rear end of the alarm device main body, and a lifting mechanism convenient to mount is arranged between the alarm device main body and the mounting seat; the lifting mechanism convenient to install comprises a first fixing block, and the first fixing block is arranged at the bottom end of the alarm device body. Through the design of the lifting mechanism convenient to install, the function of being convenient to dismantle and install is achieved, and the problems that an existing alarm device body is not provided with an assembly convenient to install and dismantle, installation is mainly conducted through multiple sets of bolts during installation or dismantling, and therefore the number of operation steps is large during installation or dismantling, and installation is not convenient are solved. And therefore, the problem that the alarm device main body cannot be conveniently and quickly mounted and dismounted, and the working efficiency is reduced is solved, and the dismounting and mounting convenience is improved.

Description

Technical Field

[0001] The utility model relates to the field of gas leakage alarm devices, and specifically relates to a gas leakage alarm device. Background Technique

[0002] When there is a leakage of combustible gas in an industrial environment, when the combustible gas alarm device detects that the gas concentration reaches the explosion critical point, the combustible gas alarm device will emit an alarm signal to remind on-site staff to take safety measures, and drive the exhaust, cut-off, and spraying systems to prevent explosion, fire, and poisoning accidents, thereby ensuring safe production.

[0003] A specific existing gas leakage alarm device can refer to an automatic alarm device for low-concentration methane gas leakage with the application number: CN201920197654.6, which includes an intake pipe, a signal lamp, a mounting bracket, a display, an alarm, a fixing hole, a control knob, a fixing frame, a detection connection pipe, a control switch, a controller, control buttons, a mounting hole, an air pump, a total meter, a molecular sieve module, a partition plate, a storage, a sub-meter, a methane detector, and an exhaust port. There is a total meter above the air pump, a mounting bracket above the total meter, mounting holes are arranged around the outside of the mounting bracket, a controller is arranged at the front end of the mounting bracket, and a display is arranged at the front end of the controller. The product structure of this device is reasonably designed, makes full use of space, has a low use difficulty, is convenient to use. After the device inhales air, it discharges nitrogen to increase the concentration of methane in the remaining air, which is convenient for detection. Moreover, the device has two groups of detectors to prevent detection errors;

[0004] The main body of the above-mentioned alarm device is not provided with components that are convenient for installation and removal. When installing or removing, it is mainly installed with multiple groups of bolts. Therefore, when installing and removing, there are many operation steps, resulting in the inability to install and remove the alarm device main body conveniently and quickly, reducing work efficiency. Therefore, in view of the above problems, a gas leakage alarm device is proposed. Content of the Utility Model

[0005] In order to make up for the deficiencies of the prior art, since the main body of the existing alarm device is not provided with components that are convenient for installation and removal, when installing or removing, it is mainly installed with multiple groups of bolts. Therefore, when installing and removing, there are many operation steps, resulting in the inability to install and remove the alarm device main body conveniently and quickly, reducing work efficiency. The present utility model proposes a gas leakage alarm device.

[0006] The technical solution adopted by the present utility model to solve its technical problems is as follows: A gas leakage alarm device described in the present utility model includes an alarm device main body; an installation seat is provided at the rear end of the alarm device main body, and a convenient installation and lifting mechanism is provided between the alarm device main body and the installation seat;

[0007] The convenient installation and lifting mechanism includes a first fixing block, which is arranged at the bottom end of the alarm device main body, and the top end of the first fixing block is fixedly connected to the top end of the alarm device main body. The first fixing block is sleeved outside the first threaded rod near the bottom end, and the first fixing block is rotatably connected to the first threaded rod. The rear end of the first threaded rod is fixedly connected to the front end of a rotating plate, the front end of the first threaded rod is fixedly connected to the rear end of a first limiting block, and a second limiting block is arranged at a position on the outer side of the first threaded rod near the side end of the first fixing block, and the outer side of the first threaded rod is fixedly connected to the inner wall of the second limiting block.

[0008] Preferably, one end of a movable insertion plate is sleeved on both ends of the outer side of the first threaded rod, and the first threaded rod is threadedly connected to one end of the movable insertion plate. The other end of the movable insertion plate is inserted into the side end inside a movable block, and the movable insertion plate is slidably connected to the inner wall of the movable block.

[0009] Preferably, guide rods are arranged on both sides of the first fixing block near the middle position, and one end of the guide rods is fixedly connected to the side end of the first fixing block. The movable insertion plate is sleeved outside the guide rods, and the movable insertion plate is slidably connected to the guide rods.

[0010] Preferably, a slot is formed at the front end of the movable block, and the rear end of an insertion block is fixedly connected to the rear end of the first fixing block near the middle position. The front end of the insertion block is inserted into the slot, and the insertion block is slidably connected to the slot.

[0011] Preferably, the movable block is sleeved outside a second threaded rod, and the movable block is threadedly connected to the second threaded rod. The top end of the second threaded rod is fixedly connected to the bottom end of a motor, the top end of the motor is fixedly connected to the inner top end of the installation seat, the bottom end of the second threaded rod is inserted into the inner bottom end of the installation seat, and the second threaded rod is rotatably connected to the installation seat.

[0012] Preferably, mounting plates are arranged at the upper and lower ends on both sides of the installation seat, and one side of the mounting plates is fixedly connected to the side end of the installation seat. Bolts are inserted into the mounting plates, and the mounting plates are threadedly connected to the bolts.

[0013] The advantages of the present utility model are as follows:

[0014] 1. Through the structural design of the convenient installation type lifting mechanism, the utility model realizes the function of being convenient for disassembly and installation, solves the problem that the existing main body of the alarm device is not provided with components convenient for installation and disassembly. When installing or disassembling, multiple bolts are mainly used for installation. Therefore, when installing and disassembling, there are many operation steps, resulting in the inability to install and disassemble the main body of the alarm device conveniently and quickly, reducing the work efficiency, and improves the convenience during disassembly and installation;

[0015] 2. Through the structural design of the convenient installation type lifting mechanism, the utility model realizes the function of freely adjusting the height of the main body of the alarm device, solves the problem that the position of the existing main body of the alarm device cannot be freely adjusted after installation. When it is necessary to check according to different heights on the site, the main body of the alarm device cannot be directly moved, resulting in great limitations in use, and improves the convenience during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the present utility model;

[0018] Figure 2 It is a partial cross-sectional structure schematic diagram of the present utility model;

[0019] Figure 3 For the present utility model Figure 1 It is an enlarged schematic diagram of part A in the structure schematic diagram;

[0020] Figure 4 For the present utility model Figure 2 It is an enlarged schematic diagram of part B in the structure schematic diagram.

[0021] In the figure: 1, main body of the alarm device; 2, mounting base; 10, first fixing block; 11, first threaded rod; 12, rotating plate; 13, first limiting block; 14, second limiting block; 15, moving insertion plate; 16, moving block; 17, guide rod; 18, slot; 19, insertion block; 20, motor; 21, second threaded rod; 22, mounting plate; 23, bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1 - 4 As shown, a gas leakage alarm device includes an alarm device main body 1; a mounting base 2 is provided at the rear end of the alarm device main body 1, and a convenient installation and lifting mechanism is provided between the alarm device main body 1 and the mounting base 2;

[0024] The convenient installation and lifting mechanism includes a first fixing block 10, the first fixing block 10 is arranged at the bottom end of the alarm device main body 1, and the top end of the first fixing block 10 is welded to the top end of the alarm device main body 1. The first fixing block 10 is sleeved outside the first threaded rod 11 near the bottom end, and the first fixing block 10 is rotatably connected to the first threaded rod 11. The inner wall of the first fixing block 10 is circularly designed. The rear end of the first threaded rod 11 is welded to the front end of the rotating plate 12, and the front end of the first threaded rod 11 is welded to the rear end of the first limiting block 13. A second limiting block 14 is arranged at a position on the outer side of the first threaded rod 11 near the side end of the first fixing block 10, and the outer side of the first threaded rod 11 is welded to the inner wall of the second limiting block 14. The second limiting block 14 is circularly designed, and the thread grooves at both ends of the first threaded rod 11 are designed in opposite directions;

[0025] During operation, rotate the rotating plate 12 at the bottom end of the mounting base 2 to drive the first threaded rod 11 to rotate along the inside of the first fixing block 10. At the same time, the second limiting block 14 and the first limiting block 13 are synchronously rotated, and the second limiting block 14 can play a limiting role to prevent the first threaded rod 11 from deviating from its position, for removing the alarm device.

[0026] Furthermore, one end of a moving insertion plate 15 is sleeved on both ends of the outer side of the first threaded rod 11, and the first threaded rod 11 is threadedly connected to one end of the moving insertion plate 15. The other end of the moving insertion plate 15 is inserted into the side end inside of the moving block 16, and the moving insertion plate 15 is slidably connected to the inner wall of the moving block 16. The other end of the moving insertion plate 15 and the inner wall of the moving block 16 sleeved on the outer side of the moving insertion plate 15 are both square-shaped;

[0027] During operation, the first threaded rod 11 rotates to drive the moving insertion plates 15 on both sides to move outward along the surface of the first threaded rod 11 until the other end of the moving insertion plate 15 completely disengages from the inside of the moving block 16, for removing the alarm device.

[0028] Further, guide rods 17 are provided on both sides of the first fixing block 10 near the middle position, and one end of the guide rod 17 is welded to the side end of the first fixing block 10. The movable plug board 15 is sleeved outside the guide rod 17, and the movable plug board 15 is slidably connected to the guide rod 17. The inner wall of the movable plug board 15 sleeved outside the guide rod 17 and the guide rod 17 are both circularly designed;

[0029] During operation, the movable plug board 15 moves, and at the same time, the movable plug board 15 moves along the surface of the guide rod 17 for removing the alarm device.

[0030] Further, a slot 18 is provided at the front end of the movable block 16. The rear end of the plug block 19 is welded to the rear end of the first fixing block 10 near the middle position. The front end of the plug block 19 is inserted into the slot 18, and the plug block 19 is slidably connected to the slot 18. The slot 18 and the plug block 19 are both square-designed;

[0031] During operation, the first fixing block 10 is pulled backward, driving the plug block 19 to move outward along the slot 18 provided at the front end of the movable block 16 until the plug block 19 completely disengages from the slot 18 for removing the alarm device.

[0032] Further, the movable block 16 is sleeved outside the second threaded rod 21, and the movable block 16 is threadedly connected to the second threaded rod 21. The top end of the second threaded rod 21 is welded to the bottom end of the motor 20, the top end of the motor 20 is welded to the inner top end of the mounting seat 2, the bottom end of the second threaded rod 21 is inserted into the inner bottom end of the mounting seat 2, and the second threaded rod 21 is rotatably connected to the mounting seat 2. The inner wall of the mounting seat 2 sleeved outside the bottom end of the second threaded rod 21 is circularly designed;

[0033] During operation, first start the motor 20 at the inner top end of the mounting seat 2 to drive the second threaded rod 21 to rotate, and the bottom end of the second threaded rod 21 rotates along the inner bottom end of the mounting seat 2. When the second threaded rod 21 rotates, it drives the movable block 16 to move along the surface of the second threaded rod 21, and at the same time, the movable block 16 drives the alarm device main body 1 to move for adjusting the height of the alarm device main body.

[0034] Further, mounting plates 22 are provided at the upper and lower ends on both sides of the mounting seat 2, and one side of the mounting seat 2 is welded to one side of the mounting plate 22. Bolts 23 are inserted into the mounting plates 22, and the mounting plates 22 are threadedly connected to the bolts 23;

[0035] During operation, fit the rear end of the mounting seat 2 against the wall, and then rotate the bolt 23 along the inside of the mounting plate 22 and screw it into the wall for mounting the mounting plate to the wall.

[0036] Working principle: When it is necessary to remove the alarm device, first rotate the rotating plate 12 at the bottom end of the mounting base 2, driving the first threaded rod 11 to rotate along the inside of the first fixing block 10. At the same time, the second limiting block 14 and the first limiting block 13 are driven to rotate synchronously, and the second limiting block 14 can play a limiting role to prevent the first threaded rod 11 from deviating from its position. When the first threaded rod 11 rotates, the moving plug plates 15 on both sides move outward along the surface of the first threaded rod 11 until the other end of the moving plug plate 15 completely disengages from the inside of the moving block 16. And when the moving plug plate 15 moves, it also moves along the surface of the guide rod 17. Then, the first fixing block 10 is pulled backward, driving the plug block 19 to move outward along the inside of the slot 18 opened at the front end of the moving block 16 until the plug block 19 completely disengages from the inside of the slot 18, and then the alarm device can be removed. This is used to remove the alarm device.

[0037] When it is necessary to adjust the height of the alarm device main body, first start the motor 20 at the top end inside the mounting base 2, driving the second threaded rod 21 to rotate. And the bottom end of the second threaded rod 21 rotates along the inside of the bottom end of the mounting base 2. When the second threaded rod 21 rotates, it drives the moving block 16 to move along the surface of the second threaded rod 21. At the same time, the moving block 16 drives the alarm device main body 1 to move, which is used to adjust the height of the alarm device main body.

[0038] When it is necessary to install the mounting plate on the wall, fit the rear end of the mounting base 2 to the wall, and then rotate the bolt 23 along the inside of the mounting plate 22 and screw it into the wall, which is used to install the mounting plate on the wall.

[0039] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A gas leakage alarm device, comprising an alarm device body (1); characterized in that: A mounting seat (2) is provided at the rear end of the alarm device body (1), and a lifting mechanism that facilitates installation is provided between the alarm device body (1) and the mounting seat (2); The easy-to-install lifting mechanism comprises a first fixing block (10), the first fixing block (10) is arranged at the bottom end of the alarm device body (1), and the top end of the first fixing block (10) is fixedly connected to the top end of the alarm device body (1); the first fixing block (10) is sleeved on the outside of the first threaded rod (11) near the bottom end, and the first fixing block (10) is rotatably connected to the first threaded rod (11); the rear end of the first threaded rod (11) is fixedly connected to the front end of the rotating plate (12); the front end of the first threaded rod (11) is fixedly connected to the rear end of the first limit block (13); a second limit block (14) is arranged on the outside of the first threaded rod (11) near the side end of the first fixing block (10), and the outside of the first threaded rod (11) is fixedly connected to the inner wall of the second limit block (14).

2. A gas leakage alarm device according to claim 1, characterized in that: One end of a movable plug plate (15) is sleeved on both ends of the outer side of the first threaded rod (11), and the first threaded rod (11) is threadedly connected to one end of the movable plug plate (15), and the other end of the movable plug plate (15) is inserted into the side end of the movable block (16), and the movable plug plate (15) is slidably connected to the inner wall of the movable block (16).

3. A gas leakage alarm device according to claim 2, characterized in that: Guide rods (17) are arranged on both sides of the first fixed block (10) near the middle position, and the side end of the first fixed block (10) is fixedly connected to one end of the guide rod (17), and the movable plug plate (15) is sleeved on the outside of the guide rod (17), and the movable plug plate (15) is slidably connected to the guide rod (17).

4. A gas leakage alarm device according to claim 3, characterized in that: A slot (18) is provided at the front end of the movable block (16); the rear end of the first fixed block (10) is fixedly connected to the rear end of the insert block (19) near the middle position; the front end of the insert block (19) is inserted into the slot (18), and the insert block (19) is slidably connected to the slot (18).

5. A gas leakage alarm device according to claim 4, characterized in that: The moving block (16) is sleeved on the outside of the second threaded rod (21), and the moving block (16) is threadedly connected to the second threaded rod (21); the top end of the second threaded rod (21) is fixedly connected to the bottom end of the motor (20); the top end of the motor (20) is fixedly connected to the top end inside the mounting seat (2); the bottom end of the second threaded rod (21) is inserted into the bottom end inside the mounting seat (2), and the second threaded rod (21) is rotatably connected to the mounting seat (2).

6. A gas leakage alarm device according to claim 5, characterized in that: Mounting plates (22) are provided at the upper and lower ends of both sides of the mounting seat (2), and the side end of the mounting seat (2) is fixedly connected to one side of the mounting plate (22), a bolt (23) is inserted into the mounting plate (22), and the mounting plate (22) and the bolt (23) are threadedly connected.

Images