Inlet air filtering device for smoke detector

Abstract

The utility model discloses an air inlet filtering device for a smoke detector, and relates to the field of smoke detectors. According to the air inlet filtering device for the smoke detector, a through groove is formed in the periphery of a dustproof shell, a dustproof assembly is arranged in the through groove, fixing holes are formed in the two sides of the front end and the two sides of the rear end of the dustproof shell, a cover plate is arranged at the upper end of the dustproof shell, and a shell is fixedly connected to the lower end of the cover plate; fixing holes are formed in the outer shell, fixing columns are arranged on the two sides of the front end and the two sides of the rear end of the outer shell, one ends of the fixing columns extend into the fixing holes, and the jacking assembly is located in the outer shell and used for moving the fixing columns. The technical problems that an existing air inlet filtering device is inconvenient to disassemble, when people need to disassemble the air inlet filtering device, the disassembling process is tedious when the air inlet filtering device is cleaned, various tools are needed for disassembling, time and labor are wasted, and the air inlet filtering device is inconvenient to use by people are solved.

Description

Technical Field

[0001] This utility model relates to the field of smoke detectors, and more particularly to an air intake filtration device for smoke detectors. Background Technology

[0002] Smoke detectors, also known as smoke-sensing fire detectors, smoke detectors, smoke probes, and smoke sensors, are mainly used in fire protection systems and are also used in security system construction. They are a typical example of equipment that has been adapted from space fire protection measures for civilian use. An air intake filter is installed at the air intake of the smoke detector to prevent fire smoke particles from entering the smoke detector.

[0003] However, existing technologies have some problems: existing air intake filters are not easy to disassemble. When people need to disassemble the air intake filter for cleaning, the disassembly process is cumbersome and requires various tools, which is time-consuming and laborious, and inconvenient for people to use. Therefore, it is necessary to provide an air intake filter for smoke detectors to solve the above-mentioned technical problems. Utility Model Content

[0004] This utility model provides an air intake filter device for smoke detectors, which solves the technical problems of existing air intake filters being inconvenient to disassemble, requiring various tools for cleaning, and being time-consuming and laborious, making them inconvenient for users.

[0005] To solve the above-mentioned technical problems, this utility model provides an air intake filtration device for a smoke detector, comprising:

[0006] The smoke detector body has a dustproof shell fixedly connected to its upper end. The dustproof shell has through grooves around its perimeter, and a dustproof component is installed inside the through grooves. Fixing holes are provided on both sides of the front end and both sides of the rear end of the dustproof shell. A cover plate is provided at the upper end of the dustproof shell, and an outer shell is fixedly connected to the lower end of the cover plate. Fixing posts are provided on both sides of the front end and both sides of the rear end of the outer shell, and one end of each fixing post extends into a fixing hole.

[0007] A clamping assembly, located within the housing, is used to move the fixed column.

[0008] Preferably, the clamping assembly includes a fixing plate, and a spring is fixedly connected to one side of the fixing plate.

[0009] Preferably, both sides of the upper end of the fixing plate are fixedly connected to fixing rods, and the upper end of the fixing rods extends to the upper end of the cover plate and is fixedly connected to a push plate.

[0010] Preferably, grooves are provided on both sides of the through groove, and the grooves are slidably connected to the dustproof component.

[0011] Preferably, sliders are fixedly connected to both sides of the fixing plate, and a sliding rod is slidably connected inside the slider, with the sliding rod being longitudinally fixed inside the outer shell.

[0012] Preferably, mounting plates are fixedly connected to the lower ends of both sides of the smoke detector body, and mounting holes are provided at the upper ends of the mounting plates.

[0013] Compared with related technologies, the air intake filtration device for smoke detectors provided by this utility model has the following beneficial effects:

[0014] This utility model provides an air intake filter device for a smoke detector. The groove design helps to fix and stabilize the dustproof component during use, preventing it from falling off.

[0015] This utility model provides an air intake filter device for a smoke detector. The installation plate facilitates the installation of the smoke detector body during use, solving the problem of inconvenient installation of the smoke detector body during use.

[0016] This utility model provides an air intake filter device for a smoke detector. Through the cooperation of the slider and the slide rod, the fixed plate moves smoothly during use, solving the problem of the fixed plate shaking easily during use. Attached Figure Description

[0017] Figure 1 A schematic diagram of a preferred embodiment of an air intake filtration device for a smoke detector provided by this utility model;

[0018] Figure 2 This is a schematic diagram showing the unfolded structure of the cover plate and dustproof shell of this utility model;

[0019] Figure 3 This is a cross-sectional view of the outer shell structure of this utility model.

[0020] The following are the labels in the diagram: 1. Main body of smoke detector; 2. Dustproof shell; 3. Through groove; 4. Dustproof component; 5. Fixing hole; 6. Cover plate; 7. Outer shell; 8. Fixing post; 9. Tightening component; 91. Fixing plate; 92. Spring; 93. Fixing rod; 10. Push plate; 11. Groove; 12. Slider; 13. Slide rod; 14. Mounting plate. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] Example 1:

[0023] Please see Figure 1-3 This utility model provides a technical solution: an air intake filtration device for a smoke detector, comprising: a smoke detector body 1, a dustproof shell 2 fixedly connected to the upper end of the smoke detector body 1, a through groove 3 opened around the perimeter of the dustproof shell 2, a dustproof component 4 disposed inside the through groove 3, fixing holes 5 opened on both sides of the front end and both sides of the rear end of the dustproof shell 2, a cover plate 6 disposed at the upper end of the dustproof shell 2, an outer shell 7 fixedly connected to the lower end of the cover plate 6, fixing posts 8 disposed on both sides of the front end and both sides of the rear end of the outer shell 7, one end of the fixing post 8 extending into the fixing hole 5, and a clamping component 9 located in the outer shell 7, the clamping component 9 being used to move the fixing post 8.

[0024] In this embodiment, when the dustproof component 4 needs to be disassembled and cleaned, the push plate 10 is first pushed inward. The push plate 10 drives the fixed plate 91 to move inward through the fixed rod 93. The fixed plate 91 squeezes the spring 92, and at the same time, the fixed plate 91 drives the slider 12 to slide on the slide rod 13.

[0025] Example 2:

[0026] Please see Figure 1-3 As shown, based on Embodiment 1, this utility model provides a technical solution: the clamping component 9 includes a fixing plate 91, a spring 92 is fixedly connected to one side of the fixing plate 91, fixing rods 93 are fixedly connected to both sides of the upper end of the fixing plate 91, the upper end of the fixing rods 93 extends to the upper end of the cover plate 6 and is fixedly connected to a push plate 10, grooves 11 are provided on both sides of the through groove 3, the grooves 11 are slidably connected to the dustproof component 4, sliders 12 are fixedly connected to both sides of the fixing plate 91, a sliding rod 13 is slidably connected inside the slider 12, the sliding rod 13 is longitudinally fixedly connected to the inside of the outer shell 7, and mounting plates 14 are fixedly connected to the lower ends of both sides of the smoke detector body 1, and mounting holes are provided at the upper end of the mounting plates 14.

[0027] In this embodiment: the synchronous fixing plate 91 drives the fixing column 8 to move inward, so that the fixing column 8 moves out of the fixing hole 5, and then the cover plate 6 is pulled upward. The cover plate 6 drives the outer shell 7 to separate from the dustproof shell 2, and then the dustproof component 4 is pulled upward out of the through groove 3 and the groove 11.

[0028] The working principle of the air intake filtration device for a smoke detector provided by this utility model is as follows:

[0029] Implementation steps for the first innovation point:

[0030] Step 1: When it is necessary to disassemble and clean the dustproof component 4, first push the push plate 10 inward, and the push plate 10 drives the fixing plate 91 to move inward through the fixing rod 93;

[0031] Step 2: The fixed plate 91 compresses the spring 92, and at the same time, the fixed plate 91 drives the slider 12 to slide on the slide rod 13.

[0032] Implementation steps for the second innovation point:

[0033] Step 1: The synchronous fixing plate 91 drives the fixing column 8 to move inward, so that the fixing column 8 moves out of the fixing hole 5, and then the cover plate 6 is pulled upward;

[0034] Step 2: The cover plate 6 drives the outer shell 7 to separate from the dustproof shell 2, and then the dustproof component 4 is pulled upward out of the through groove 3 and the groove 11.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air intake filtration device for a smoke detector, characterized in that: include: A smoke detector body (1) is provided. A dustproof shell (2) is fixedly connected to the upper end of the smoke detector body (1). A through groove (3) is provided around the dustproof shell (2). A dustproof component (4) is provided inside the through groove (3). Fixing holes (5) are provided on both sides of the front end and both sides of the rear end of the dustproof shell (2). A cover plate (6) is provided at the upper end of the dustproof shell (2). An outer shell (7) is fixedly connected to the lower end of the cover plate (6). Fixing posts (8) are provided on both sides of the front end and both sides of the rear end of the outer shell (7). One end of the fixing post (8) extends into the fixing hole (5). A clamping assembly (9) is located in the housing (7) and is used to move the fixed column (8).

2. The air intake filter device for a smoke detector according to claim 1, characterized in that, The clamping assembly (9) includes a fixing plate (91), and a spring (92) is fixedly connected to one side of the fixing plate (91).

3. The air intake filter device for a smoke detector according to claim 2, characterized in that, Fixing rods (93) are fixedly connected to both sides of the upper end of the fixing plate (91), and the upper end of the fixing rods (93) extends to the upper end of the cover plate (6) and is fixedly connected to a push plate (10).

4. The air intake filter device for a smoke detector according to claim 1, characterized in that, The through groove (3) has grooves (11) on both sides inside, and the grooves (11) are slidably connected to the dustproof component (4).

5. The air intake filter device for a smoke detector according to claim 2, characterized in that, Both sides of the fixed plate (91) are fixedly connected to sliders (12), and the sliders (12) are slidably connected to a slide rod (13), which is longitudinally fixed inside the outer shell (7).

6. The air intake filter device for a smoke detector according to claim 1, characterized in that, Mounting plates (14) are fixedly connected to the lower ends of both sides of the main body (1) of the smoke detector, and mounting holes are provided at the upper end of the mounting plates (14).

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