Smoke alarm mounting bracket

Abstract

The utility model relates to the technical field of smoke-sensing alarms, and particularly discloses a smoke-sensing alarm mounting support which comprises a base and a smoke-sensing alarm body, the upper end face of the base is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a gear, the outer wall of the gear is meshed with a first rack, and the first rack is meshed with a second rack. The upper end face of the base is fixedly connected with a vertical plate, the front end of the vertical plate penetrates through and is in threaded connection with a threaded rod, the other end of the threaded rod is rotationally connected with a first rack, and the outer wall of a gear is in meshed connection with two second racks which are oppositely distributed and located above the first rack; according to the device, the two clamping seats can be driven to move by rotating the threaded rods, the smoke sensing alarms of different sizes can be mounted and fixed without electric driving, and the purpose of low use cost is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke alarms, in particular to a mounting bracket for a smoke alarm. Background Art

[0002] Smoke alarms prevent fires by monitoring the concentration of smoke. They use ionized smoke sensors inside. Ionized smoke sensors are technologically advanced and stable and reliable, so they are widely used in various fire alarm systems. When installing a smoke alarm, a smoke alarm bracket is usually used to assist in fixing it.

[0003] An existing smoke alarm mounting bracket usually uses two relatively distributed electric push rods to drive a clamping seat to clamp and fix smoke alarms of different sizes. However, since the electric push rods need to be connected to a power supply and can only operate through electric drive, the cost of use is high. Therefore, a smoke alarm mounting bracket is needed. Utility Model Content

[0004] The purpose of the utility model is to provide a smoke alarm mounting bracket, which can drive two clamping seats to move by rotating a threaded rod, can install and fix smoke alarms of different sizes without the need for electric drive, and has the characteristics of low cost of use.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a smoke alarm mounting bracket, comprising a base and a smoke alarm body, wherein the upper end surface of the base is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a gear, the outer wall of the gear is meshedly connected to a first rack, the upper end surface of the base is fixedly connected to a vertical plate, the front end of the vertical plate passes through and is threadedly connected to a threaded rod, and the other end of the threaded rod is rotatably connected to the first rack;

[0006] The outer wall of the gear is meshed with two second racks that are relatively distributed and located above the first rack. The upper end surfaces of the two second racks are fixedly connected to support rods, and the upper end surfaces of the two support rods are fixedly connected to clamping seats.

[0007] In order to increase the stability of the two second racks when moving, as a preferred smoke alarm mounting bracket of the present invention, the upper end face of the base is fixedly connected to two support plates distributed on the left and right, and the lower end faces of the two second racks are fixedly connected to sliders, and the two sliders are slidably connected to the two support plates through slide rails.

[0008] In order to increase the stability of the first rack during movement, as a preferred smoke alarm mounting bracket of the present invention, the right end surface of the first rack abuts against the support plate located at the right end.

[0009] In order to facilitate the fixation of smoke alarm bodies of different sizes, as a preferred smoke alarm mounting bracket of the present invention, the opposite sides of the two clamping seats are both arranged in a "V" shape.

[0010] In order to facilitate the positioning of the smoke alarm body, as a preferred smoke alarm mounting bracket of the present invention, the outer wall of the rotating shaft is fixedly connected with a plurality of evenly distributed horizontal plates.

[0011] In order to facilitate the driving of the threaded rod to rotate, as a preferred smoke alarm mounting bracket of the present invention, the front end of the threaded rod is fixedly connected with a knob.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] When the utility model is used, the base is mounted on the roof or wall by bolts, and then the smoke alarm body is placed between the two clamping seats, and the threaded rod is rotated to make the threaded rod push the first rack to move. When the first rack moves, the gear is driven to rotate, and when the gear rotates, the two second racks meshed with it are driven to move in the opposite direction, and then the supporting rod and the clamping seat connected thereto are driven to move relative to each other, so that smoke alarm bodies of different sizes can be installed and fixed, and the two clamping seats can be driven to move by rotating the threaded rod. Smoke alarms of different sizes can be installed and fixed without electric drive, and the use cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the overall structural diagram of the utility model;

[0015] Figure 2 It is a partial structural diagram of the utility model;

[0016] Figure 3 It is a right side structural diagram of the present utility model.

[0017] In the figure: 1. Base; 2. Smoke alarm body; 3. Rotating shaft; 4. Gear; 5. First rack; 6. Support plate; 7. Threaded rod; 8. Vertical plate; 9. Second rack; 10. Support rod; 11. Clamping seat; 12. Horizontal plate; 13. Knob; 14. Slider. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3A smoke alarm mounting bracket includes a base 1 and a smoke alarm body 2. The upper end surface of the base 1 is rotatably connected to a rotating shaft 3. The outer wall of the rotating shaft 3 is fixedly connected to a gear 4. The outer wall of the gear 4 is meshed with a first rack 5. The upper end surface of the base 1 is fixedly connected to a vertical plate 8. The front end of the vertical plate 8 passes through and is threadedly connected to a threaded rod 7. The other end of the threaded rod 7 is rotatably connected to the first rack 5.

[0019] The outer wall of the gear 4 is meshed with two second racks 9 that are relatively distributed and located above the first rack 5. The upper end faces of the two second racks 9 are fixedly connected to support rods 10, and the upper end faces of the two support rods 10 are fixedly connected to clamping seats 11.

[0020] In this embodiment: when in use, the base 1 is installed on the roof or wall by bolts, and then the smoke alarm body 2 is placed between the two clamping seats 11, and the threaded rod 7 is rotated (the threaded rod 7 and the first rack 5 are rotatably connected by a bearing) to make the threaded rod 7 push the first rack 5 to move. When the first rack 5 moves, it drives the gear 4 to rotate. When the gear 4 rotates, it drives the two second racks 9 engaged with it to move in the opposite direction, and then drives the support rod 10 and the clamping seat 11 connected thereto to move relative to each other, so that smoke alarm bodies 2 of different sizes can be installed and fixed, without the need for electric drive, and the cost of use is low.

[0021] As a technical optimization solution of the present invention, the upper end surface of the base 1 is fixedly connected to two support plates 6 distributed on the left and right, and the lower end surfaces of the two second racks 9 are fixedly connected to sliders 14, and the two sliders 14 are slidably connected to the two support plates 6 through slide rails.

[0022] In this embodiment, the two sliders 14 are slidably connected to the two support plates 6 via slide rails, so as to limit the two second racks 9, thereby increasing the stability of the two second racks 9 when moving.

[0023] As a technical optimization solution of the present invention, the right end surface of the first rack 5 abuts against the support plate 6 located at the right end.

[0024] In this embodiment, the right end surface of the first rack 5 abuts against the support plate 6 located at the right end, thereby limiting the position of the first rack 5 and increasing the stability of the first rack 5 when moving.

[0025] As a technical optimization solution of the present invention, the two opposite sides of the two clamping seats 11 are both arranged in a "V" shape.

[0026] In this embodiment, the two clamping seats 11 have opposite sides arranged in a "V" shape, so that smoke alarm bodies 2 of different sizes can be easily fixed.

[0027] As a technical optimization solution of the present invention, a plurality of evenly distributed transverse plates 12 are fixedly connected to the outer wall of the rotating shaft 3 .

[0028] In this embodiment: through multiple evenly distributed horizontal plates 12, the smoke alarm body 2 can be conveniently limited to prevent the smoke alarm body 2 from abutting against the two second racks 9, thereby supporting the smoke alarm body 2 and facilitating operations such as wiring at the bottom of the smoke alarm body 2 and installing batteries.

[0029] As a technical optimization solution of the present invention, a knob 13 is fixedly connected to the front end of the threaded rod 7 .

[0030] In this embodiment, the threaded rod 7 can be conveniently driven to rotate by the knob 13 .

[0031] Working principle: When in use, first install the base 1 on the roof or wall with bolts, then place the smoke alarm body 2 between the upper ends of multiple horizontal plates 12 and two clamping seats 11, and rotate the threaded rod 7 through the knob 13 to make the threaded rod 7 push the first rack 5 to move. When the first rack 5 moves, it drives the gear 4 to rotate. When the gear 4 rotates, it drives the two second racks 9 engaged with it to move in the opposite direction, and then drives the support rod 10 and the clamping seat 11 connected to it to move relative to each other, so that smoke alarm bodies 2 of different sizes can be installed and fixed. No electric drive is required, and the cost of use is low.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A smoke alarm mounting bracket, comprising a base (1) and a smoke alarm body (2), characterized in that: The upper end surface of the base (1) is rotatably connected to a rotating shaft (3), the outer wall of the rotating shaft (3) is fixedly connected to a gear (4), the outer wall of the gear (4) is meshedly connected to a first rack (5), the upper end surface of the base (1) is fixedly connected to a vertical plate (8), the front end of the vertical plate (8) passes through and is threadedly connected to a threaded rod (7), and the other end of the threaded rod (7) is rotatably connected to the first rack (5); The outer wall of the gear (4) is meshedly connected with two second racks (9) that are relatively distributed and located above the first rack (5); the upper end surfaces of the two second racks (9) are fixedly connected to support rods (10); and the upper end surfaces of the two support rods (10) are fixedly connected to clamping seats (11).

2. The smoke alarm mounting bracket according to claim 1, characterized in that: The upper end surface of the base (1) is fixedly connected to two support plates (6) distributed on the left and right, and the lower end surfaces of the two second racks (9) are fixedly connected to sliders (14), and the two sliders (14) are slidably connected to the two support plates (6) via slide rails.

3. The smoke alarm mounting bracket according to claim 2, characterized in that: The right end surface of the first rack (5) abuts against the support plate (6) located at the right end.

4. The smoke alarm mounting bracket according to claim 1, characterized in that: The opposite sides of the two clamping seats (11) are both arranged in a "V" shape.

5. The smoke alarm mounting bracket according to claim 1, characterized in that: The outer wall of the rotating shaft (3) is fixedly connected with a plurality of evenly distributed transverse plates (12).

6. The smoke alarm mounting bracket according to claim 1, characterized in that: The front end of the threaded rod (7) is fixedly connected with a knob (13).

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