Multifunctional combustible gas detection alarm instrument

By designing a lifting drive and disassembly mechanism, the sampling blind spot and filter plate clogging issues of combustible gas detectors have been resolved, enabling efficient detection and rapid filter plate replacement, thus improving detection accuracy and ease of operation.

CN224304235UActive Publication Date: 2026-05-29JILIN ANSHENG SAFETY TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JILIN ANSHENG SAFETY TECHNOLOGY CO LTD
Filing Date
2025-06-17
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

When combustible gas detectors are installed on the ceiling, there are sampling blind spots, and the filter plates are prone to clogging, which affects air circulation and detection results. Replacing the filter plates is also time-consuming and laborious.

Method used

A multifunctional combustible gas detector and alarm was designed, which adopts a lifting drive mechanism and a disassembly and assembly mechanism. The lifting drive mechanism drives the connector to rise and fall to increase the detection accuracy. The disassembly and assembly mechanism realizes the quick disassembly and assembly of the filter plate through a gear rack and pinion and limit plate structure, eliminating the need for climbing and the use of tools.

Benefits of technology

It improves detection accuracy, simplifies the filter plate replacement process, and reduces labor intensity and time consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional combustible gas detection alarm instrument relates to gas detection alarm instrument technical field, including alarm instrument, alarm instrument outer wall fixedly connected with alarm lamp, and alarm lamp is used for sounding alarm to user, and the joint is arranged in the outside of alarm instrument, and the movable ring is movably sleeved to the inner wall of joint, and the filter board is fixedly connected to the inner wall of movable ring, the lifting drive mechanism is arranged in the outside of alarm instrument, and the lifting drive mechanism is used for driving the lifting of joint, and the dismounting mechanism is arranged in the outside of joint, and the dismounting mechanism is used for dismounting filter board. The utility model discloses utilize alarm instrument detection gas, utilize lifting drive mechanism to drive joint lifting simultaneously, can make joint extend to the position of more close detection target, increase detection accuracy, utilize dismounting mechanism simultaneously to make the worker can manually dismount filter board, cooperate lifting drive mechanism to make the worker not necessarily to climb high operation, and the process of using tool dismounting filter board is saved, save time and effort.
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Description

Technical Field

[0001] This utility model relates to the technical field of gas detection alarm devices, and in particular to a multifunctional combustible gas detection alarm device. Background Technology

[0002] A combustible gas detector is an electronic instrument used to detect the concentration of combustible gases in the air. It mainly consists of a detector and an alarm control host. It is widely used in places where toxic gases exist, such as petroleum, gas, chemical, and oil depots, to detect leaks in indoor and outdoor hazardous locations in order to prevent major accidents such as fires and explosions.

[0003] Combustible gas detectors can be installed in various locations. When installed on the ceiling, the high installation position can lead to blind spots in the sampling process. In addition, combustible gas detectors use filter plates to filter out impurities and reduce the risk of sensor contamination. However, in complex working environments, the filter plates are prone to clogging, affecting air circulation and detection results. The filter plates need to be replaced frequently by workers, and replacing the filter plates requires the use of tools to remove multiple bolts, which is time-consuming and laborious. Utility Model Content

[0004] The purpose of this invention is to provide a multifunctional combustible gas detector and alarm to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multifunctional combustible gas detector and alarm, comprising:

[0006] An alarm device, wherein an alarm light is fixedly connected to the outer wall of the alarm device, and the alarm light is used to sound an alarm to the user;

[0007] The connector is located outside the alarm device, and a movable ring is movably sleeved on the inner wall of the connector. A filter plate is fixedly connected to the inner wall of the movable ring.

[0008] A lifting drive mechanism is provided outside the alarm device, and the lifting drive mechanism is used to drive the connector to lift.

[0009] The disassembly and assembly mechanism is located outside the connector and is used to disassemble and assemble the filter plate.

[0010] Preferably, the disassembly and assembly mechanism includes a rack, a fixing ring is fixedly sleeved on the outer wall of the connector, a gear is rotatably connected to the top of the fixing ring, a rack is slidably connected to the top of the fixing ring, a limit block is fixedly connected to one end of the rack near the movable ring, and a limit groove is formed on the outer wall of the movable ring.

[0011] Preferably, a sliding ring is slidably sleeved on the outer wall of the connector, a first limiting plate is rotatably sleeved on the outer wall of the sliding ring, and an internal gear is rotatably connected to the inner wall of the first limiting plate, the internal gear meshing with a gear.

[0012] Preferably, a second limiting plate is fixedly sleeved on the outer wall of the joint, and a spring is fixedly connected between the second limiting plate and the sliding ring.

[0013] Preferably, the lifting drive mechanism includes a threaded rod, a fixed box is fixedly connected to the outer wall of the alarm, the threaded rod is rotatably connected to the inner wall of the fixed box, a second limiting plate is fixedly sleeved on the outer wall of the threaded rod, the second limiting plate is slidably connected to the inner wall of the fixed box, and a knob is fixedly connected to the threaded rod through the fixed box.

[0014] Preferably, an air chamber is fixedly connected to the bottom of the alarm device, and a telescopic tube is fixedly connected to the bottom of the air chamber. The end of the telescopic tube away from the air chamber is fixedly connected to the top of the connector.

[0015] Compared with the prior art, the technical effects of this utility model are as follows:

[0016] This invention utilizes an alarm to detect combustible gases, and simultaneously employs a lifting drive mechanism to raise and lower the connector, allowing it to extend closer to the detection target and increase detection accuracy. Furthermore, the disassembly and assembly mechanism enables workers to manually disassemble and assemble the filter plate, eliminating the need for workers to climb to higher positions and saving time and effort by eliminating the need for tools to remove the filter plate. Attached Figure Description

[0017] Figure 1 This is a frontal three-dimensional structural diagram of the present utility model.

[0018] Figure 2 This is a three-dimensional structural diagram of the filter plate of this utility model.

[0019] Figure 3 This is a three-dimensional cross-sectional view of the first limiting plate of this utility model.

[0020] Figure 4 This is a three-dimensional structural diagram of the movable ring of this utility model.

[0021] In the diagram: 1. Alarm device; 2. Air chamber; 3. Telescopic tube; 4. Connector; 5. Threaded rod; 6. Fixing box; 7. Knob; 8. Filter plate; 9. Fixing collar; 10. First limiting plate; 11. Second limiting plate; 12. Sliding ring; 13. Gear; 14. Internal gear; 15. Rack; 16. Movable ring; 17. Alarm light; 18. Limiting groove; 19. Limiting block; 20. Spring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This utility model provides, for example Figures 1-4 The multifunctional combustible gas detector alarm shown includes an alarm 1, a connector 4, a lifting drive mechanism, and a disassembly mechanism. An alarm light 17 is fixedly connected to the outer wall of the alarm 1, providing an audible alarm to the user. The alarm light 17 has both luminous and audible alarm functions. The connector 4 is located outside the alarm 1, with a movable ring 16 movably fitted onto its inner wall. A filter plate 8 is fixedly connected to the inner wall of the movable ring 16. The lifting drive mechanism is located outside the alarm 1 and is used to drive the connector 4 to rise and fall, allowing air intake. The filter plate 8 filters impurities in the air to prevent sensor malfunction. The disassembly mechanism is located outside the connector 4 and is used to disassemble and assemble the filter plate 8. In practical use: the alarm 1 detects combustible gas, and the lifting drive mechanism simultaneously moves the connector 4 up and down, allowing the connector 4 to extend closer to the detection target, increasing detection accuracy. The disassembly mechanism allows workers to manually disassemble and assemble the filter plate 8, eliminating the need for workers to climb to higher positions and saving time and effort by eliminating the need for tools to disassemble the filter plate 8.

[0024] One aspect of the disassembly and assembly mechanism includes a rack 15, a fixed collar 9 fixedly sleeved on the outer wall of the connector 4, a gear 13 rotatably connected to the top of the fixed collar 9, the gear 13 and the fixed collar 9 being connected by a rotating shaft, a rack 15 slidably connected to the top of the fixed collar 9, a limit block 19 fixedly connected to one end of the rack 15 near the movable ring 16, a limit groove 18 opened on the outer wall of the movable ring 16, multiple racks 15 arranged in a circumferential array, the movable ring 16 being fixed from multiple angles by multiple limit blocks 19, a sealing ring provided on the outer wall of the movable ring 16, the sealing ring being in contact with the inner wall of the connector 4 to prevent debris from passing through.

[0025] On the other hand, a sliding ring 12 is slidably sleeved on the outer wall of the connector 4, and a first limiting plate 10 is rotatably sleeved on the outer wall of the sliding ring 12. An internal gear 14 is rotatably connected to the inner wall of the first limiting plate 10, and the internal gear 14 meshes with a gear 13. A second limiting plate 11 is fixedly sleeved on the outer wall of the connector 4, and a spring 20 is fixedly connected between the second limiting plate 11 and the sliding ring 12. In specific use: the second limiting plate 11 and the first limiting plate 10 have multiple locking teeth arranged in a circumferential array, and the multiple locking teeth are staggered and engaged. In use: When it is necessary to disassemble the filter plate 8, the worker pulls the first limiting plate 10 to move. The first limiting plate 10 stretches the spring 20 through the sliding ring 12 until the engagement between the first limiting plate 10 and the second limiting plate 11 is released. The worker rotates the first limiting plate 10, which drives the internal gear 14 to rotate. The internal gear 14 drives the rack 15 to move through the gear 13. The rack 15 drives the limiting block 19 to move out of the limiting groove 18. The worker then removes the movable ring 16 and the filter plate 8, thus achieving the purpose of quickly disassembling the filter plate 8.

[0026] In addition, the lifting drive mechanism includes a threaded rod 5, a fixed box 6 is fixedly connected to the outer wall of the alarm 1, the threaded rod 5 is rotatably connected to the inner wall of the fixed box 6, a second limiting plate 11 is fixedly sleeved on the outer wall of the threaded rod 5, the second limiting plate 11 is slidably connected to the inner wall of the fixed box 6, a knob 7 is fixedly connected to the threaded rod 5 through the fixed box 6, an air chamber 2 is fixedly connected to the bottom of the alarm 1, a telescopic tube 3 is fixedly connected to the bottom of the air chamber 2, and the end of the telescopic tube 3 away from the air chamber 2 is fixedly connected to the top of the connector 4. In actual use: the worker rotates the knob 7, the knob 7 drives the threaded rod 5 to rotate, the threaded rod 5 drives the connector 4 to move through the second limiting plate 11, the connector 4 stretches the telescopic tube 3, and the worker lowers the connector 4 to facilitate the worker to disassemble and install the filter plate 8.

[0027] In practice: the worker rotates knob 7, which drives threaded rod 5 to rotate. Threaded rod 5 moves connector 4 via second limiting plate 11. Connector 4 stretches telescopic tube 3. The worker lowers connector 4 to facilitate the installation and removal of filter plate 8. When filter plate 8 needs to be removed, the worker pulls first limiting plate 10 to move. First limiting plate 10 stretches spring 20 via sliding ring 12 until the engagement between first limiting plate 10 and second limiting plate 11 is released. The worker rotates first limiting plate 10, which drives internal gear 14 to rotate. Internal gear 14 drives rack 15 to move via gear 13. Rack 15 drives limiting block 19 to move out of limiting groove 18. The worker then removes movable ring 16 and filter plate 8, achieving the purpose of quickly removing filter plate 8.

[0028] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multifunctional combustible gas detector and alarm, characterized in that, include: An alarm device (1) is provided, and an alarm light (17) is fixedly connected to the outer wall of the alarm device (1). The alarm light (17) is used to sound an alarm to the user. Connector (4), the connector (4) is located outside the alarm (1), the inner wall of the connector (4) is movably sleeved with a movable ring (16), and the inner wall of the movable ring (16) is fixedly connected with a filter plate (8). A lifting drive mechanism is provided outside the alarm device (1) and is used to drive the connector (4) to lift. The disassembly and assembly mechanism is located outside the connector (4) and is used to disassemble and assemble the filter plate (8).

2. The multifunctional combustible gas detector and alarm according to claim 1, characterized in that, The disassembly and assembly mechanism includes a rack (15), a fixed collar (9) is fixedly sleeved on the outer wall of the connector (4), a gear (13) is rotatably connected to the top of the fixed collar (9), a rack (15) is slidably connected to the top of the fixed collar (9), a limit block (19) is fixedly connected to one end of the rack (15) near the movable ring (16), and a limit groove (18) is opened on the outer wall of the movable ring (16).

3. The multifunctional combustible gas detector and alarm according to claim 2, characterized in that, The outer wall of the connector (4) is slidably sleeved with a sliding ring (12), the outer wall of the sliding ring (12) is rotatably sleeved with a first limiting plate (10), the inner wall of the first limiting plate (10) is rotatably connected with an internal gear (14), and the internal gear (14) is meshed with the gear (13).

4. A multifunctional combustible gas detector and alarm according to claim 3, characterized in that, The outer wall of the connector (4) is fixedly fitted with a second limiting plate (11), and a spring (20) is fixedly connected between the second limiting plate (11) and the sliding ring (12).

5. A multifunctional combustible gas detector and alarm according to claim 4, characterized in that, The lifting drive mechanism includes a threaded rod (5), a fixed box (6) is fixedly connected to the outer wall of the alarm (1), the threaded rod (5) is rotatably connected to the inner wall of the fixed box (6), the second limiting plate (11) is fixedly sleeved on the outer wall of the threaded rod (5), the second limiting plate (11) is slidably connected to the inner wall of the fixed box (6), and the threaded rod (5) passes through the fixed box (6) and is fixedly connected to a knob (7).

6. A multifunctional combustible gas detector and alarm according to claim 1, characterized in that, The alarm device (1) has an air chamber (2) fixedly connected to its bottom. The air chamber (2) has a telescopic tube (3) fixedly connected to its bottom. The end of the telescopic tube (3) away from the air chamber (2) is fixedly connected to the top of the connector (4).