Gas leakage alarm

Abstract

The utility model discloses a gas leakage alarm, and belongs to the field of alarms. A gas leakage alarm comprises a shell, an alarm body is arranged in the shell, and the gas leakage alarm further comprises a tooth block fixedly connected to the outer wall of the shell; the connecting pipe is fixedly connected to the upper surface of the shell, a fixing block is fixedly connected to the inner wall of the connecting pipe, and a limiting groove is formed in the end, close to the shell, of the connecting pipe; the connecting pipe is inserted into the mounting hole formed in the wall surface, the tooth block slides out of the tooth groove to release meshing by pulling the shell downwards, then the limiting cover is rotated, the rotating plate is driven to rotate through the connecting block, the rotating plate rotates to drive the limiting plate to rotate, and the fixing column is pushed through the limiting hole; the sliding block slides out along the sliding groove to fix the connecting pipe, then the shell is loosened to enable the tooth block and the tooth groove to be meshed again so as to prevent the sliding block from resetting, the gas leakage alarm can be conveniently installed, and the gas leakage alarm can also be very conveniently disassembled when maintenance is needed.

Description

Technical Field

[0001] The utility model relates to the technical field of alarms, in particular to a gas leakage alarm. Background Art

[0002] Firefighting is an important part of national economic and social development and an indispensable guarantee for the development of socialist market economy. Firefighting is directly related to the safety of people's lives and property and social stability.

[0003] After searching, the Chinese patent authorization number CN216211476U discloses a gas leakage alarm device, including a mounting ring, a fixed disk installed on the mounting ring, and a protective shell for protection installed on the fixed disk, the outer edge of the bottom of the mounting ring is integrally formed with a mounting disk, the inner side of the fixed disk is provided with a clamping structure for auxiliary fastening, the top of the fixed disk is integrally formed with a matching ring, and the filter is provided with a cleaning structure for auxiliary cleaning; the cleaning structure includes a cleaning rod for cleaning and a cleaning motor for assisting the rotation of the cleaning rod, a rotating ring is rotatably embedded and installed on the top of the filter, a top plate is rotatably provided at the top of the rotating ring, four cleaning rods are provided, and a matching wheel is rotatably provided between the rotating ring and the machine shaft; however, the gas leakage alarm device in the above patent is not provided with a mechanism for installation, and it is usually necessary to drill a mounting hole on the wall through a ladder, and install it through tools such as screwdrivers and expansion screws, and the gas leakage alarm is often installed at high places such as roofs for use, which is relatively cumbersome to operate and is not convenient for subsequent maintenance work. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that during installation, a ladder needs to be used and tools such as screwdrivers and expansion screws need to be carried, which makes installation and maintenance inconvenient, and a gas leakage alarm is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A gas leakage alarm comprises a shell, in which an alarm is arranged inside the shell, and further comprises: a tooth block fixedly connected to the outer wall of the shell; a connecting pipe fixedly connected to the upper surface of the shell, a fixing block fixedly connected to the inner wall of the connecting pipe, a limiting groove is provided at one end of the connecting pipe close to the shell, and a sliding groove is provided on the outer wall of the connecting pipe; a sliding block slidably connected to the inside of the sliding groove, and a fixing column is fixedly connected to the lower surface of one end of the sliding block located inside the connecting pipe; a turntable rotatably connected to the upper surface of the shell, a connecting spring is fixedly connected above the turntable, and an end of the connecting spring away from the turntable is fixedly connected to a limiting cover; a rotating plate is arranged inside the connecting pipe, a limiting plate is fixedly connected to the surface of the rotating plate, and a limiting hole is provided on the surface of the limiting plate; a connecting block is fixedly connected between the rotating plate and the limiting cover.

[0007] Furthermore, a fixing plate is fixedly connected inside the shell, a fan is arranged on the surface of the fixing plate, a brush is arranged on the surface of the fan, a filter is arranged on the lower surface of the shell, an air vent is opened on the outer wall of the shell, and a pinching groove is opened on the outer wall of the shell.

[0008] Furthermore, a return spring is fixedly connected to the upper surface of the fixed block, an end of the return spring away from the fixed block is fixedly connected to a piston, and a connecting column is fixedly connected to the surface of the piston.

[0009] Furthermore, an air flow groove is provided on the inner wall of the connecting pipe, and an opening of the air flow groove is provided at an end of the connecting pipe away from the shell.

[0010] Furthermore, the fixing column is slidably connected inside the limiting hole.

[0011] Furthermore, the connecting block is slidably connected inside the limiting groove.

[0012] Furthermore, a rectangular hole is formed on the outer wall of the limiting cover, and a tooth groove is formed on the inner wall of the limiting cover.

[0013] Furthermore, the tooth groove is meshed with the tooth block, and the tooth block is slidably connected inside the tooth groove.

[0014] Compared with the prior art, the utility model provides a gas leakage alarm, which has the following beneficial effects:

[0015] 1. For the gas leakage alarm, insert the connecting pipe into the installation hole opened on the wall, pull the shell downward to make the tooth block slide out of the tooth groove to release the engagement, then rotate the limit cover, drive the rotating plate to rotate through the connecting block, and drive the limit plate to rotate through the rotating plate, push the fixed column through the limit hole, so that the slider slides out along the slide groove to fix the connecting pipe, and then loosen the shell to make the tooth block re-engage with the tooth groove to prevent the slider from resetting. The gas leakage alarm can be easily installed and can be disassembled very conveniently when maintenance is needed.

[0016] 2. During the installation of the gas leakage alarm, the connecting column is squeezed to drive the piston to slide downward, thereby squeezing the gas inside the connecting pipe through the air flow groove and blowing the dust inside the installation hole opened on the wall surface into the connecting pipe to avoid affecting the installation effect.

[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of the main viewing part of a gas leakage alarm proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of a gas leakage alarm proposed by the utility model when viewed from above;

[0020] Figure 3 This is a schematic structural diagram of a cross-section of a connecting pipe of a gas leakage alarm proposed by the utility model;

[0021] Figure 4 This is a schematic structural diagram of a gas leakage alarm housing cross-section proposed by the utility model;

[0022] Figure 5 This is a structural schematic diagram of a limit cover part of a gas leakage alarm proposed by the utility model;

[0023] Figure 6 The utility model is a schematic diagram of the structure of the gas leakage alarm connecting spring part.

[0024] In the figure: 1. shell; 2. alarm; 3. fixing plate; 4. fan; 401, brush; 5. filter; 6. air vent; 7. pinch groove; 8. tooth block; 9. connecting pipe; 10. fixing block; 11. reset spring; 12. piston; 13. connecting column; 14. air flow groove; 15. limit groove; 16. slide groove; 17. rotating plate; 18. limit plate; 19. limit hole; 20. fixing column; 21. slider; 22. connecting block; 23. limit cover; 24. connecting spring; 25. rectangular hole; 26. tooth groove; 27. turntable. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] Reference Figure 1-Figure 6 A gas leakage alarm comprises a shell 1, an alarm 2 is arranged inside the shell 1, and also comprises: a tooth block 8 fixedly connected to the outer wall of the shell 1; a connecting pipe 9 fixedly connected to the upper surface of the shell 1, a fixing block 10 is fixedly connected to the inner wall of the connecting pipe 9, a limiting groove 15 is provided at one end of the connecting pipe 9 close to the shell 1, and a slide groove 16 is provided on the outer wall of the connecting pipe 9; a slider 21 is slidably connected inside the slide groove 16, and a fixing column 20 is fixedly connected to the lower surface of one end of the slider 21 located inside the connecting pipe 9; a turntable 27 is rotatably connected to the upper surface of the shell 1, a connecting spring 24 is fixedly connected above the turntable 27, and a limiting cover 23 is fixedly connected to the end of the connecting spring 24 away from the turntable 27; a rotating plate 17 is arranged inside the connecting pipe 9, a limiting plate 18 is fixedly connected to the surface of the rotating plate 17, and a limiting hole 19 is provided on the surface of the limiting plate 18; a connecting block 22 is fixedly connected between the rotating plate 17 and the limiting cover 23.

[0028] A fixing plate 3 is fixedly connected inside the shell 1, a fan 4 is arranged on the surface of the fixing plate 3, a brush 401 is arranged on the surface of the fan 4, a filter 5 is arranged on the lower surface of the shell 1, an air vent 6 is provided on the outer wall of the shell 1, a pinch groove 7 is provided on the outer wall of the shell 1, a brush 401 is arranged to clean the filter 5 to prevent the filter 5 from being blocked, the air vent 6 is arranged to accelerate the gas flow inside the shell 1, and the alarm 2 can give a warning more timely, the pinch groove 7 is arranged to make the shell 1 easier to take, and the fan is specifically a power supply integrated structure with a built-in power supply, which can drive the fan to rotate.

[0029] A return spring 11 is fixedly connected to the upper surface of the fixed block 10 , a piston 12 is fixedly connected to one end of the return spring 11 away from the fixed block 10 , and a connecting column 13 is fixedly connected to the surface of the piston 12 .

[0030] An air flow groove 14 is formed on the inner wall of the connecting pipe 9 . The opening of the air flow groove 14 is formed at one end of the connecting pipe 9 away from the housing 1 , so as to squeeze the gas inside the connecting pipe 9 out of the air flow groove 14 during installation.

[0031] The fixing column 20 is slidably connected inside the limiting hole 19 , so that the limiting plate 18 presses the fixing column 20 through the limiting hole 19 when rotating.

[0032] The connection block 22 is slidably connected inside the limiting groove 15 , and when the limiting cover 23 is rotated, the rotation plate 17 is rotated by sliding the connection block 22 inside the limiting groove 15 .

[0033] A rectangular hole 25 is formed on the outer wall of the limiting cover 23 , and a tooth groove 26 is formed on the inner wall of the limiting cover 23 to avoid affecting the use of the air vent 6 .

[0034] The tooth groove 26 is meshed with the tooth block 8 , and the tooth block 8 is slidably connected inside the tooth groove 26 to limit the limiting cover 23 and prevent the slider 21 from resetting.

[0035] The utility model discloses that a mounting hole is opened on the wall surface, and the connecting pipe 9 is inserted into the mounting hole opened on the wall surface, and the housing 1 is pulled downward to make the tooth block 8 slide out of the tooth groove 26 to release the meshing, and then the limiting cover 23 is rotated, and the rotating plate 17 is driven to rotate by the connecting block 22, and the rotating plate 17 rotates to drive the limiting plate 18 to rotate, and the fixing column 20 is pushed through the limiting hole 19, so that the sliding block 21 slides out along the sliding groove 16 to fix the connecting pipe 9, and then the housing 1 is loosened to make the tooth block 8 re-engage with the tooth groove 26 to prevent the sliding block 21 from resetting, so that the gas leakage alarm can be installed conveniently, and it can also be very convenient to disassemble when maintenance is needed. During the installation process, the connecting column 13 is squeezed to drive the piston 12 to slide downward, so that the gas inside the connecting pipe 9 is squeezed out through the air flow groove 14 to blow the dust inside the mounting hole opened on the wall surface into the connecting pipe 9, so as to avoid affecting the installation effect.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A gas leakage alarm, comprising a housing (1), wherein an alarm (2) is arranged inside the housing (1), characterized in that: Also includes: A tooth block (8) fixedly connected to the outer wall of the housing (1); A connecting pipe (9) is fixedly connected to the upper surface of the shell (1), a fixing block (10) is fixedly connected to the inner wall of the connecting pipe (9), a limiting groove (15) is provided at one end of the connecting pipe (9) close to the shell (1), and a sliding groove (16) is provided on the outer wall of the connecting pipe (9); A sliding block (21) is slidably connected inside the sliding groove (16), and a fixing column (20) is fixedly connected to the lower surface of one end of the sliding block (21) located inside the connecting pipe (9); A rotating disk (27) is rotatably connected to the upper surface of the housing (1); a connecting spring (24) is fixedly connected above the rotating disk (27); and one end of the connecting spring (24) away from the rotating disk (27) is fixedly connected to a limiting cover (23); A rotating plate (17) is arranged inside the connecting pipe (9), a limiting plate (18) is fixedly connected to the surface of the rotating plate (17), and a limiting hole (19) is provided on the surface of the limiting plate (18); A connecting block (22) is fixedly connected between the rotating plate (17) and the limiting cover (23).

2. A gas leak alarm according to claim 1, characterized in that: A fixing plate (3) is fixedly connected inside the shell (1), a fan (4) is arranged on the surface of the fixing plate (3), a brush (401) is arranged on the surface of the fan (4), a filter screen (5) is arranged on the lower surface of the shell (1), an air vent (6) is provided on the outer wall of the shell (1), and a pinching groove (7) is provided on the outer wall of the shell (1).

3. A gas leak alarm according to claim 1, characterized in that: A return spring (11) is fixedly connected to the upper surface of the fixed block (10), an end of the return spring (11) away from the fixed block (10) is fixedly connected to a piston (12), and a connecting column (13) is fixedly connected to the surface of the piston (12).

4. A gas leak alarm according to claim 3, characterized in that: An air flow groove (14) is provided on the inner wall of the connecting pipe (9), and the opening of the air flow groove (14) is provided at an end of the connecting pipe (9) away from the housing (1).

5. A gas leak alarm according to claim 1, characterized in that: The fixing column (20) is slidably connected inside the limiting hole (19).

6. A gas leak alarm according to claim 5, characterized in that: The connecting block (22) is slidably connected inside the limiting groove (15).

7. A gas leak alarm according to claim 1, characterized in that: The outer wall of the limiting cover (23) is provided with a rectangular hole (25), and the inner wall of the limiting cover (23) is provided with a tooth groove (26).

8. A gas leak alarm according to claim 7, characterized in that: The tooth groove (26) is meshed with the tooth block (8), and the tooth block (8) is slidably connected inside the tooth groove (26).

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