Fuel gas alarm convenient to disassemble and assemble

Abstract

The utility model discloses a fuel gas alarm convenient to disassemble and assemble, relates to the technical field of fuel gas alarms, and aims to solve the problems of troublesome operation, inconvenience and poor practicability when the fuel gas alarm is overhauled and disassembled in the prior art. Fixing side plates are symmetrically and fixedly mounted on the two sides of the gas alarm body respectively, a mounting back plate is arranged at the rear end of the gas alarm body, and limiting side strips are symmetrically and fixedly mounted on the two sides of the front end of the mounting back plate respectively. The distance between the inner sides of the two limiting edge strips is matched with the distance between the outer sides of the two fixing edge plates, four positioning columns are fixedly installed at the front end of the installation back plate, the four positioning columns are arranged at the four corners of the front end of the installation back plate correspondingly, and the positioning columns are fixedly installed at the front end of the installation back plate. Positioning through holes are symmetrically formed in the upper portion and the lower portion of the interior of the fixing side plate respectively, and the distance between the two positioning through holes is matched with the distance between the two vertical positioning columns.

Description

Technical Field

[0001] The utility model relates to the technical field of gas alarms, in particular to a gas alarm which is easy to assemble and disassemble. Background Art

[0002] Gas alarm, also known as gas leak detection alarm instrument, is a safety device used to detect gas leaks. Its core component is a gas sensor. When the concentration of gas in the air exceeds the set value, the detector will be triggered to alarm and send out sound and light alarm signals. The gas alarm can monitor the leakage of flammable gases such as methane and propane in real time, and when the gas concentration reaches the preset critical point, it will send out an alarm signal to remind users or staff to take timely measures, such as closing the gas valve, ventilation, etc., so as to avoid accidents such as gas explosion, fire or poisoning;

[0003] For example, the patent with announcement number CN212135602U (a gas alarm): it includes an outer shell and a handheld shell, wherein the handheld shell is provided with a battery, a circuit board, a detection head, and a buzzer, wherein the power input end of the circuit board is coupled to the two ends of the battery, and the detection head and the buzzer are electrically connected to the circuit board; the outer shell is provided with a card slot with the same contour as the handheld shell, and the handheld shell is inserted into the card slot; a first conductive head is provided at the bottom of the card slot, and a first power receiving sheet for charging the battery is provided at the end of the handheld shell, and when the handheld shell is inserted into the card slot, the first conductive head abuts against the first power receiving sheet;

[0004] Although the above-mentioned prior art is convenient for fixing and detection and is not easy to lose, it does not have the ability to be easily disassembled and assembled. It is generally fixed and installed by screws, which makes the operation troublesome and inconvenient when the gas alarm is inspected and disassembled, and has poor practicality. Therefore, the market urgently needs to develop a gas alarm that is easy to disassemble and assemble to help people solve the existing problems. Utility Model Content

[0005] The utility model aims to provide a gas alarm that is easy to disassemble and assemble, so as to solve the problems in the above-mentioned background technology that the gas alarm is troublesome to operate, very inconvenient and has poor practicality when being inspected and disassembled.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas alarm that is easy to disassemble and assemble, comprising a gas alarm body, fixed side plates are symmetrically fixedly installed on both sides of the gas alarm body, a mounting back plate is arranged at the rear end of the gas alarm body, limiting side strips are symmetrically fixedly installed on both sides of the front end of the mounting back plate, the distance between the inner sides of the two limiting side strips matches the distance between the outer sides of the two fixed side plates, a positioning column is fixedly installed at the front end of the mounting back plate, four positioning columns are arranged, and the four positioning columns are respectively arranged at the four corners of the front end of the mounting back plate, and positioning through holes are symmetrically arranged above and below the inside of the fixed side plate, and the distance between the two positioning through holes matches the distance between the two vertical positioning columns.

[0007] Preferably, a fixed convex plate is fixedly installed at the front end of the limiting edge strip along one side of the positioning column, a compression spring is fixedly installed on one side of the fixed convex plate, a pressure block is fixedly installed on one side of the compression spring, an inner groove is provided inside the pressure block, and the height of the inner groove matches the diameter of the positioning column.

[0008] Preferably, a center rod is provided inside the compression spring, one end of the center rod is fixedly connected to the pressure block by a screw, and the other end of the center rod passes through the fixing convex plate.

[0009] Preferably, a vertical plate is fixedly mounted on one end of the center rod away from the pressing block.

[0010] Preferably, an alarm light is fixedly mounted on the front end of the gas alarm body, and an alarm horn is fixedly mounted on the front end of the gas alarm body along one side of the alarm light.

[0011] Preferably, a light board is fixedly installed at the front end of the gas alarm body below the alarm light, an indicator light is fixedly installed at the front end of the light board, and a plurality of indicator lights are provided, and an air intake wire mesh is fixedly installed at the front end of the gas alarm body below the light board.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides an installation back plate and limiting side strips, so that when the gas alarm is installed, the gas alarm body can be placed at the front end of the installation back plate and between the two limiting side strips, and then the gas alarm can be positioned and placed by cooperating with the positioning column and the positioning through hole, and the gas alarm body can be hung on the front end of the installation back plate through the setting of the positioning column, which increases the convenience of installing and disassembling the gas alarm and is beneficial to the convenience of inspecting and disassembling the gas alarm.

[0014] The utility model provides a vertical plate, a fixed convex plate, a center rod, a compression spring and a pressure block. Through the tension of the compression spring, the pressure block can be elastically pressed on the positioning column. When the gas alarm is installed, the pressure block is tightly pressed on the positioning column to restrict the fixed side plate and prevent the fixed side plate from moving forward, thereby increasing the stability of the gas alarm installation. In addition, the vertical plate can pull the center rod to drive the pressure block to move, which is beneficial to the disassembly of the gas alarm and increases practicality.

[0015] The utility model arranges an alarm light and an alarm horn at the front end of the gas alarm, so that if a gas leak is detected during the operation of the gas alarm, an alarm light can be emitted through the alarm light, and an alarm sound can be emitted through the alarm horn, thereby alerting surrounding personnel, which is helpful for personnel to discover gas leaks in time and increases practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of a gas alarm that is easy to disassemble and assemble according to the utility model;

[0017] Figure 2 This is a top view of a gas alarm that is easy to disassemble and assemble according to the utility model;

[0018] Figure 3 It is a front view of the gas alarm body and the fixed side plate of the utility model.

[0019] In the figure: 1. Gas alarm body; 2. Mounting back plate; 3. Limiting edge strip; 4. Positioning column; 5. Fixed side plate; 501. Positioning through hole; 6. Alarm light; 7. Alarm horn; 8. Light board; 9. Indicator light; 10. Air intake wire mesh; 11. Vertical plate; 12. Fixed convex plate; 13. Center rod; 14. Compression spring; 15. Pressure block; 1501. Inner groove. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3The utility model provides an embodiment: a gas alarm that is easy to disassemble and assemble, including a gas alarm body 1, fixed side plates 5 are symmetrically fixedly installed on both sides of the gas alarm body 1, a mounting back plate 2 is provided at the rear end of the gas alarm body 1, and limiting side strips 3 are symmetrically fixedly installed on both sides of the front end of the mounting back plate 2, and the distance between the inner sides of the two limiting side strips 3 matches the distance between the outer sides of the two fixed side plates 5, and a positioning column 4 is fixedly installed at the front end of the mounting back plate 2. Four positioning columns 4 are provided, and the four positioning columns 4 are respectively arranged at the four corners of the front end of the mounting back plate 2, and positioning through holes 501 are symmetrically provided on the upper and lower parts of the fixed side plate 5, and the distance between the two positioning through holes 501 matches the distance between the two vertical positioning columns 4.

[0022] During use, when the gas alarm is installed, the gas alarm body 1 can be placed at the front end of the installation back plate 2 and between the two limiting edge strips 3, and then the gas alarm can be positioned and placed by cooperating with the positioning column 4 and the positioning through hole 501. The positioning column 4 can be set so that the gas alarm body 1 can be hung on the front end of the installation back plate 2, which increases the convenience of installing and disassembling the gas alarm and is beneficial to the convenience of inspecting and disassembling the gas alarm.

[0023] Furthermore, a fixed convex plate 12 is fixedly installed on the front end of the limiting edge strip 3 along one side of the positioning column 4, a compression spring 14 is fixedly installed on one side of the fixed convex plate 12, a pressure block 15 is fixedly installed on one side of the compression spring 14, an inner groove 1501 is arranged inside the pressure block 15, and the height of the inner groove 1501 matches the diameter of the positioning column 4. Through the tension of the compression spring 14, the pressure block 15 can be elastically pressed on the positioning column 4, so as to limit the fixed side plate 5 and prevent the fixed side plate 5 from moving forward, thereby increasing the stability of the installation of the gas alarm.

[0024] Furthermore, a center rod 13 is provided inside the compression spring 14, one end of the center rod 13 is fixedly connected to the pressure block 15 by screws, and the other end of the center rod 13 passes through the fixed convex plate 12, and a vertical plate 11 is fixedly installed on one end of the center rod 13 away from the pressure block 15. By pulling the center rod 13 to move through the vertical plate 11, the pressure block 15 can be driven to move, which is beneficial to the disassembly of the gas alarm.

[0025] Furthermore, an alarm light 6 is fixedly installed at the front end of the gas alarm body 1, and an alarm speaker 7 is fixedly installed at the front end of the gas alarm body 1 along one side of the alarm light 6. If gas leakage is detected during the operation of the gas alarm, an alarm light can be emitted through the alarm light 6, and an alarm sound can be emitted through the alarm speaker 7, thereby alerting surrounding personnel, which is conducive to timely detection of gas leakage.

[0026] Furthermore, a light board 8 is fixedly installed at the front end of the gas alarm body 1 below the alarm light 6, an indicator light 9 is fixedly installed at the front end of the light board 8, and a plurality of indicator lights 9 are provided to conveniently display the working status of the gas alarm, and an air intake wire mesh 10 is fixedly installed at the front end of the gas alarm body 1 below the light board 8, which can prevent debris in the air from entering and increase practicality.

[0027] Working principle: When in use, first install the installation back plate 2 at the installation position of the gas alarm, then pull the center rod 13 through the vertical plate 11 to move, drive the pressure block 15 to move, and place the gas alarm body 1 between the two limiting edge strips 3, and pass the positioning column 4 through the positioning through hole 501 of the fixed side plate 5, so that the gas alarm body 1 is hung on the front end of the installation back plate 2, and then release the vertical plate 11, through the elastic tension of the compression spring 14, the pressure block is elastically pressed on the positioning column 4, and the fixed side plate 5 is restricted, so that the gas alarm body 1 is installed stably, thereby realizing the convenience of disassembly and assembly of the gas alarm, which is beneficial to the inspection and disassembly of the gas alarm.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A gas alarm that is easy to assemble and disassemble, comprising a gas alarm body (1), characterized in that: Fixed side plates (5) are symmetrically fixedly installed on both sides of the gas alarm body (1), a mounting back plate (2) is arranged at the rear end of the gas alarm body (1), limiting side strips (3) are symmetrically fixedly installed on both sides of the front end of the mounting back plate (2), and the distance between the inner sides of the two limiting side strips (3) matches the distance between the outer sides of the two fixed side plates (5), and a positioning column (4) is fixedly installed on the front end of the mounting back plate (2), and four positioning columns (4) are arranged, and the four positioning columns (4) are respectively arranged at the four corners of the front end of the mounting back plate (2), and positioning through holes (501) are symmetrically arranged at the upper and lower parts of the fixed side plate (5), and the distance between the two positioning through holes (501) matches the distance between the two vertical positioning columns (4).

2. A gas alarm that is easy to assemble and disassemble according to claim 1, characterized in that: A fixed convex plate (12) is fixedly mounted on the front end of the limiting edge strip (3) along one side of the positioning column (4), a compression spring (14) is fixedly mounted on one side of the fixed convex plate (12), a pressure block (15) is fixedly mounted on one side of the compression spring (14), an inner groove (1501) is provided inside the pressure block (15), and the height of the inner groove (1501) matches the diameter of the positioning column (4).

3. A gas alarm that is easy to assemble and disassemble according to claim 2, characterized in that: A central rod (13) is arranged inside the compression spring (14), one end of the central rod (13) is fixedly connected to the pressure block (15) by means of screws, and the other end of the central rod (13) passes through the fixed convex plate (12).

4. A gas alarm that is easy to assemble and disassemble according to claim 3, characterized in that: A vertical plate (11) is fixedly mounted on one end of the central rod (13) away from the pressing block (15).

5. The gas alarm that is easy to assemble and disassemble according to claim 1 is characterized in that: An alarm light (6) is fixedly mounted on the front end of the gas alarm body (1), and an alarm horn (7) is fixedly mounted on the front end of the gas alarm body (1) along one side of the alarm light (6).

6. The gas alarm that is easy to assemble and disassemble according to claim 5, characterized in that: A light board (8) is fixedly mounted on the front end of the gas alarm body (1) below the warning light (6); an indicator light (9) is fixedly mounted on the front end of the light board (8); and a plurality of indicator lights (9) are provided; and an air intake wire mesh (10) is fixedly mounted on the front end of the gas alarm body (1) below the light board (8).

Images