Combustible gas detection alarm for industry and commerce

Abstract

The utility model discloses a combustible gas detection alarm for industry and commerce, which belongs to the technical field of gas alarms and comprises a detector shell, three annularly distributed sliding chutes are arranged on the back of the detector shell, iron sheets are slidably connected in the sliding chutes, a cavity is arranged in the center of the detector shell, and the detector shell and the iron sheets are arranged in the cavity. An adjusting assembly is arranged in the cavity and comprises a gear, a driving block, a connecting rod and a positioning assembly, the gear is rotationally installed in the cavity, the driving block is fixedly connected to the center of the gear, the connecting rod penetrates into the sliding groove and is fixedly connected with the iron sheet, one end of the connecting rod is fixedly connected with a guide block, and the other end of the connecting rod is fixedly connected with the positioning assembly. A guide groove is formed in the surface of the gear, the guide block is slidably connected into the guide groove, and the positioning assembly is arranged in the containing groove. And by arranging the adjusting assembly, the positions of the three iron sheets can be adjusted when a special wall surface is met, so that the iron sheets can be effectively fixed on the wall, and the installation of the detector is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas alarms, and in particular relates to a combustible gas detection alarm used in industry and commerce. Background Art

[0002] A gas detector is an instrument for detecting gas concentration. It is suitable for dangerous places where flammable or toxic gases exist. It can continuously detect the content of the gas in the air within the lower explosion limit for a long time. It can be widely used in various industries such as gas, petrochemical, metallurgy, steel, coking, and electricity where flammable or toxic gases exist. It is an ideal monitoring instrument to ensure property and personal safety.

[0003] The existing Chinese patent with announcement number CN217212539U discloses a point-type combustible gas detector for industrial and commercial use, including a shell, a rubber ring is fixedly connected to the middle of the bottom end of the shell, a cylinder is slidably connected to the inner wall of the rubber ring, a built-in ring is provided on the inner wall of the bottom end of the shell, a sealing ring is fixedly connected to the inner periphery of the built-in ring, a mounting seat is fixedly connected to the inner wall of the top end of the shell, a conduit is threadedly connected to the inner wall of the mounting seat, a threaded ring is fixedly connected to the outer periphery of the bottom end extension of the conduit, a sealing strip is provided at the connection between the shell and the conduit, and a protective cover is threadedly connected to the front end of the outer periphery of the shell.

[0004] With respect to the above-mentioned related technology, the inventors found that there are at least the following problems in the technology: in actual use, the positions of the three iron sheets used to install the detector are fixed. If there are areas on the wall where holes cannot be drilled, the iron sheets cannot be effectively fixed to the wall using screws, which is inconvenient for the installation of the detector. Utility Model Content

[0005] The purpose of the utility model is to provide a combustible gas detection alarm for industrial and commercial use to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combustible gas detection alarm for industrial and commercial use, comprising a detector housing, the back of the detector housing is provided with three annularly distributed slide grooves, an iron sheet is slidably connected in the slide grooves, a cavity is provided in the center of the detector housing, and an adjustment component is provided in the cavity;

[0007] The adjusting assembly includes a gear, a driving block, a connecting rod and a positioning assembly. The gear is rotatably installed in the cavity, the driving block is fixedly connected to the center of the gear, the connecting rod passes through the slide groove and is fixedly connected to the iron sheet, one end of the connecting rod is fixedly connected to a guide block, a guide groove is provided on the surface of the gear, the guide block is slidably connected in the guide groove, a receiving groove is provided at the bottom of the cavity, and the positioning assembly is arranged in the receiving groove.

[0008] As a preferred implementation, a conduit is fixedly connected to the top of the detector housing, an alarm is fixedly mounted on one end of the conduit, and a sensor is provided at the bottom of the detector housing.

[0009] As a preferred implementation, a threaded hole is provided at the end of the iron sheet.

[0010] As a preferred implementation, a groove is provided at the center of the back side of the detector housing, and the driving block is embedded in the groove.

[0011] As a preferred embodiment, a limiting groove is provided on the inner wall of the slide groove, limiting blocks are fixedly connected to both sides of the iron sheet, and the limiting blocks are slidably connected in the limiting groove.

[0012] As a preferred embodiment, the positioning assembly includes a spring, a positioning block and a push block, the spring is fixedly connected in the accommodating groove, the positioning block is fixedly connected to one end of the spring, and the push block is fixedly connected to one side of the positioning block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The combustible gas detection alarm for industry and commerce is provided with an adjustment component. When encountering a special wall surface, the driving block can be rotated to make the driving block drive the gear to rotate, and the gear drives the guide groove to move in a circle, so that the guide block slides in the guide groove, and the guide block drives the iron sheet to slide in the slide groove through the connecting rod, so that the positions of the three iron sheets can be adjusted, so that the iron sheets can be effectively fixed on the wall, which is convenient for the installation of the detector;

[0015] The combustible gas detection alarm used in industry and commerce is provided with a positioning component. After the gear rotates to a certain angle, the spring can push the positioning block to insert into the tooth groove of the gear to position the gear, thereby preventing the gear from rotating randomly and affecting the stability of the iron sheet position. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the back structure of the utility model;

[0018] Figure 3 It is a rear cross-sectional structural schematic diagram of the utility model.

[0019] In the figure: 1. detector housing; 11. catheter; 12. alarm; 13. sensor; 14. groove; 2. slide groove; 21. limit groove; 3. iron sheet; 31. threaded hole; 32. limit block; 4. cavity; 5. adjustment assembly; 51. gear; 52. drive block; 53. connecting rod; 54. positioning assembly; 541. spring; 542. positioning block; 543. push block; 55. guide block; 56. guide groove; 6. receiving groove. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] See also Figure 1-3 The utility model provides a combustible gas detection alarm for industrial and commercial use, including a detector housing 1, a conduit 11 is fixedly connected to the top of the detector housing 1, an alarm 12 is fixedly installed at one end of the conduit 11, and a sensor 13 is provided at the bottom of the detector housing 1. The conduit 11, the alarm 12 and the sensor 13 are all well-known technologies of existing combustible gas detectors and are not described in detail here.

[0023] Reference Figure 2 and Figure 3 Three annularly distributed slide grooves 2 are provided on the back of the detector housing 1, and an iron sheet 3 is slidably connected in the slide groove 2. A threaded hole 31 is provided at the end of the iron sheet 3. Through the iron sheet 3 and the threaded hole 31, a screw can be used to pass through the threaded hole 31 to fix the iron sheet 3 to the wall to achieve the installation of the detector. A limiting groove 21 is provided on the inner wall of the slide groove 2, and limiting blocks 32 are fixedly connected on both sides of the iron sheet 3. The limiting blocks 32 are slidably connected in the limiting groove 21. Through the cooperation of the limiting groove 21 and the limiting block 32, the iron sheet 3 can be limited.

[0024] Reference Figure 2 and Figure 3A cavity 4 is provided at the center of the detector housing 1, and an adjusting component 5 is provided in the cavity 4. The adjusting component 5 includes a gear 51, a driving block 52, a connecting rod 53 and a positioning component 54. The gear 51 is rotatably installed in the cavity 4, and the driving block 52 is fixedly connected to the center of the gear 51. The connecting rod 53 penetrates into the slide groove 2 and is fixedly connected to the iron sheet 3. One end of the connecting rod 53 is fixedly connected with a guide block 55. A guide groove 56 is provided on the surface of the gear 51, and the guide block 55 is slidably connected in the guide groove 56. By setting the adjusting component 5, when encountering a special wall surface, the driving block 52 can be rotated, so that the driving block 52 drives the gear 51 to rotate, and the gear 51 drives the guide groove 56 to move in a circle, so that the guide block 55 slides in the guide groove 56, and the guide block 55 drives the iron sheet 3 to slide in the slide groove 2 through the connecting rod 53, so that the positions of the three iron sheets 3 can be adjusted, so that the iron sheet 3 can be effectively fixed on the wall, which is convenient for the installation of the detector.

[0025] A groove 14 is provided at the center of the back of the detector housing 1 , and the driving block 52 is embedded in the groove 14 . The groove 14 can accommodate the driving block 52 and prevent the driving block 52 from protruding from the back of the detector housing 1 .

[0026] Specifically, a receiving groove 6 is provided at the bottom of the cavity 4, and a positioning assembly 54 is arranged in the receiving groove 6. The positioning assembly 54 includes a spring 541, a positioning block 542 and a push block 543. The spring 541 is fixedly connected in the receiving groove 6, the positioning block 542 is fixedly connected to one end of the spring 541, and the push block 543 is fixedly connected to one side of the positioning block 542. By setting the positioning assembly 54, after the gear 51 rotates to a certain angle, the spring 541 can push the positioning block 542 to insert into the tooth groove of the gear 51 to position the gear 51, which can prevent the gear 51 from rotating at will and affecting the stability of the position of the iron sheet 3. When the gear 51 needs to be rotated, the push block 543 can be pushed downward so that the push block 543 drives the positioning block 542 to retract into the receiving groove 6, and the gear 51 can be rotated and adjusted.

[0027] The working principle and use process of the utility model are as follows: first, by setting the adjustment component 5, when encountering a special wall surface, the driving block 52 can be rotated to make the driving block 52 drive the gear 51 to rotate, and the gear 51 drives the guide groove 56 to move in a circle, so that the guide block 55 slides in the guide groove 56, and the guide block 55 drives the iron sheet 3 to slide in the slide groove 2 through the connecting rod 53, so that the positions of the three iron sheets 3 can be adjusted, so that the iron sheets 3 can be effectively fixed on the wall, which is convenient for the installation of the detector. In addition, after the gear 51 rotates to a certain angle, the spring 541 can push the positioning block 542 to be inserted into the tooth groove of the gear 51 to position the gear 51, which can prevent the gear 51 from rotating arbitrarily and affecting the stability of the position of the iron sheet 3.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combustible gas detection alarm for industrial and commercial use, comprising a detector housing (1), characterized in that: The back of the detector housing (1) is provided with three annularly distributed slide grooves (2), an iron sheet (3) is slidably connected in the slide grooves (2), a cavity (4) is provided in the center of the detector housing (1), and an adjustment component (5) is provided in the cavity (4); The adjusting assembly (5) comprises a gear (51), a driving block (52), a connecting rod (53) and a positioning assembly (54); the gear (51) is rotatably mounted in the cavity (4); the driving block (52) is fixedly connected to the center of the gear (51); the connecting rod (53) penetrates into the slide groove (2) and is fixedly connected to the iron sheet (3); one end of the connecting rod (53) is fixedly connected to a guide block (55); a guide groove (56) is provided on the surface of the gear (51); the guide block (55) is slidably connected in the guide groove (56); a receiving groove (6) is provided at the bottom of the cavity (4); and the positioning assembly (54) is arranged in the receiving groove (6).

2. A combustible gas detection alarm for industrial and commercial use according to claim 1, characterized in that: A conduit (11) is fixedly connected to the top of the detector housing (1), an alarm (12) is fixedly installed at one end of the conduit (11), and a sensor (13) is provided at the bottom of the detector housing (1).

3. The combustible gas detection alarm for industrial and commercial use according to claim 1, characterized in that: A threaded hole (31) is provided at the end of the iron sheet (3).

4. A combustible gas detection alarm for industrial and commercial use according to claim 1, characterized in that: A groove (14) is provided at the center of the back side of the detector housing (1), and the driving block (52) is embedded in the groove (14).

5. The combustible gas detection alarm for industrial and commercial use according to claim 1, characterized in that: The inner wall of the slide groove (2) is provided with a limiting groove (21), and both sides of the iron sheet (3) are fixedly connected with limiting blocks (32), and the limiting blocks (32) are slidably connected in the limiting groove (21).

6. A combustible gas detection alarm for industrial and commercial use according to claim 1, characterized in that: The positioning assembly (54) comprises a spring (541), a positioning block (542) and a push block (543); the spring (541) is fixedly connected in the receiving groove (6); the positioning block (542) is fixedly connected to one end of the spring (541); and the push block (543) is fixedly connected to one side of the positioning block (542).

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