CN219180022U

CN219180022U - Smoke alarm for indoor fire engineering

Info

Publication number: CN219180022U
Application number: CN202223405529.0U
Authority: CN
Inventors: 胡冠峰; 吴伟林; 马永强; 李什全; 陈杰能; 黎美欢; 李恪行
Original assignee: Guangdong Xingdali Construction Engineering Co ltd
Current assignee: Guangdong Xingdali Construction Engineering Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-13
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a smoke alarm for indoor fire engineering, which relates to the technical field of smoke alarms and comprises a main body device, wherein the main body device comprises a smoke detection unit, a mounting limit unit and a receiving unit, the smoke detection unit, the mounting limit unit and the receiving unit are sequentially arranged from bottom to top, the smoke detection unit comprises the smoke alarm, the mounting limit unit comprises a rotary limit disc, a mounting disc, a limit inserting rod and an upper cover, and the receiving unit comprises a ceiling. According to the utility model, through the matched use of the rotary limiting disc, the mounting disc, the limiting inserted link, the pushing arc block, the upper cover, the threaded rod, the bearing thread groove, the bearing arc block, the reset spring, the guide pipe and the clamping strip, the smoke alarm can be quickly assembled and disassembled without tools, and the anti-skid jacket arranged on the outer wall of the rotary limiting disc is utilized to play an anti-skid role, so that the smoke alarm can be more conveniently assembled and disassembled.

Description

Smoke alarm for indoor fire engineering

Technical Field

The utility model relates to the technical field of smoke alarms, in particular to a smoke alarm for indoor fire engineering.

Background

Smoke alarms are becoming increasingly important as a part of security and protection. The smoke alarm mainly comprises an external shell and an optical labyrinth structure inside the shell.

The existing smoke alarm is often required to be provided with a complicated labyrinth structure to avoid that light emitted by the light signal emitter is received by the light absorber in a smoke-free state, so that the volume is large, the smoke alarm is not suitable for miniaturized application scenes, and the smoke alarm cannot meet the requirement of quick response to smoke detection in a small space, so that the applicability of products is not high.

In the prior art, a Chinese patent with a publication number of CN217386469U is proposed: a smoke alarm comprising at least: the top cover is provided with a conical reflecting surface on one surface; a first light source and a first photoelectric receiver are arranged on one surface of the bottom plate; the first light source and the first photoelectric receiver are both arranged towards the conical reflecting surface; the optical deflection grid is arranged between the top cover and the bottom plate and is suitable for connecting the top cover and the bottom plate, and the optical deflection grid is arranged along the circumferential direction of the bottom plate; in a smokeless state, light rays emitted by the first light source are reflected by the conical reflecting surface and then emitted from the optical deflection grid; in the smoke state, at least part of the light emitted by the first light source is reflected by the smoke particles and then received by the first photoelectric receiver. The smoke alarm does not need to be provided with a complex labyrinth structure, has a more simplified structure and a smaller volume, can be suitable for miniaturized application scenes, meets the requirements of quick response to smoke detection in a smaller space, and has higher applicability to products, but the base in the prior art is fixed on a ceiling or a wall by bolts, and is more troublesome to install and detach by means of tools.

Disclosure of Invention

The utility model aims to provide a smoke alarm for indoor fire engineering, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the smoke alarm for the indoor fire engineering comprises a main body device, wherein the main body device comprises a smoke detection unit, an installation limiting unit and a receiving unit.

The smoke detection unit, the installation limiting unit and the bearing unit are sequentially arranged from bottom to top.

The smoke detection unit comprises a smoke alarm, the installation limiting unit comprises a rotation limiting disc, an installation disc, a limiting inserted link and an upper cover, and the receiving unit comprises a ceiling.

Adopt above-mentioned technical scheme, utilize rotatory limiting disc, mounting disc, spacing inserted bar, pass arc piece, upper cover, threaded rod, bear the weight of the thread groove, bear the weight of arc piece, reset spring, stand pipe and card strip's cooperation in this scheme and use for the smog alarm can accomplish installation and dismantlement work fast under the condition that need not the instrument.

The technical scheme of the utility model is further improved as follows: the smoke alarm comprises a smoke alarm body, wherein the smoke alarm body is characterized in that a rotating disc is fixedly connected to the upper surface of the smoke alarm body, the inner wall of the rotating disc is rotationally connected with the outer wall of the bottom end of the rotating limiting disc, the bottom surface of the mounting disc is movably connected with the upper surface of the rotating limiting disc, and the bottom surface of the upper cover is fixedly connected with the upper surface of the mounting disc.

The technical scheme of the utility model is further improved as follows: the rotary limiting plate is characterized in that a pushing arc block is fixedly connected to the center of the upper surface of the rotary limiting plate, a mounting hole is formed in the bottom surface of the inner wall of the mounting plate, a bearing thread groove is formed in the center of the upper surface of the pushing arc block, and a threaded rod is fixedly connected to the center of the bottom surface of the upper cover.

The technical scheme of the utility model is further improved as follows: the outer wall of the bottom end of the pushing arc block is movably connected with the inner wall of the mounting hole, and the outer wall of the threaded rod is in threaded connection with the inner wall of the bearing thread groove.

The technical scheme of the utility model is further improved as follows: the outer wall sliding connection of spacing inserted bar has the stand pipe, the one end of stand pipe with the inner wall fixed connection of mounting disc, the one end fixedly connected with card strip of spacing inserted bar, the other end fixedly connected with of spacing inserted bar bears the arc piece, one side fixedly connected with reset spring of bearing the arc piece, reset spring's inner wall with the outer wall swing joint of stand pipe, reset spring keep away from bear the one end of arc piece with the inner wall fixed connection of mounting disc.

The technical scheme of the utility model is further improved as follows: the outer wall of the rotary limiting disc is fixedly connected with an anti-slip jacket.

By adopting the technical scheme, the anti-skid coat arranged on the outer wall of the rotary limiting disc is utilized in the scheme, so that an anti-skid effect is achieved, and the smoke alarm is more convenient to install and disassemble.

The technical scheme of the utility model is further improved as follows: the bottom surface of the ceiling is provided with a mounting ring groove.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a smoke alarm for indoor fire engineering, which utilizes the cooperation of a rotary limiting disc, a mounting disc, a limiting inserted link, a pushing arc block, an upper cover, a threaded rod, a bearing thread groove, a bearing arc block, a reset spring, a guide pipe and a clamping strip, so that the smoke alarm can be quickly assembled and disassembled without tools.

2. The utility model provides a smoke alarm for indoor fire engineering, which utilizes an anti-skid coat arranged on the outer wall of a rotary limiting disc to play a role of skid resistance, and is more convenient for the installation and the disassembly of the smoke alarm.

Drawings

FIG. 1 is a schematic view of a main device structure of the present utility model;

FIG. 2 is a schematic diagram of a smoke alarm of the present utility model;

FIG. 3 is a schematic view of the rotational stop disc and mounting disc of the present utility model in a disassembled configuration;

FIG. 4 is a schematic view of a stop lever according to the present utility model;

FIG. 5 is a schematic view of the bottom view of the upper cover of the present utility model;

fig. 6 is a schematic view of the bottom view of the ceiling of the present utility model.

In the figure: 1. a main body device; 2. a smoke alarm; 3. a ceiling; 4. a rotating disc; 5. rotating the limiting disc; 6. a mounting plate; 7. a limit inserted link; 8. an upper cover; 9. an anti-slip jacket; 10. pushing the arc block; 11. a load bearing thread groove; 12. a mounting hole; 13. a guide tube; 14. a return spring; 15. carrying an arc block; 16. clamping strips; 17. a threaded rod; 18. and (5) installing the annular groove.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1 to 6, the utility model provides a smoke alarm for indoor fire engineering, which comprises a main body device 1, wherein the main body device 1 comprises a smoke detection unit, an installation limiting unit and a receiving unit.

The smoke detection unit comprises a smoke alarm 2, the installation limiting unit comprises a rotation limiting disc 5, an installation disc 6, a limiting inserted link 7 and an upper cover 8, and the receiving unit comprises a ceiling 3.

The upper surface fixedly connected with rolling disc 4 of smoke alarm 2, the inner wall of rolling disc 4 rotates with the bottom outer wall of rotatory spacing dish 5 to be connected, the bottom surface of mounting disc 6 and the upper surface swing joint of rotatory spacing dish 5, the bottom surface of upper cover 8 and the upper surface fixed connection of mounting disc 6.

The center of the upper surface of the rotary limiting disc 5 is fixedly connected with pushing arc blocks 10, the pushing arc blocks 10 are four groups, the pushing arc blocks correspond to the four groups of limiting inserted bars 7 respectively, mounting holes 12 are formed in the bottom surface of the inner wall of the mounting disc 6, bearing thread grooves 11 are formed in the center of the upper surface of the pushing arc blocks 10, and a threaded rod 17 is fixedly connected with the center of the bottom surface of the upper cover 8.

The outer wall of the bottom end of the pushing arc block 10 is movably connected with the inner wall of the mounting hole 12, and the outer wall of the threaded rod 17 is in threaded connection with the inner wall of the bearing thread groove 11.

Example 2

As shown in fig. 1-6, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the outer wall sliding connection of spacing inserted bar 7 has stand pipe 13, the one end of stand pipe 13 and the inner wall fixed connection of mounting disc 6, the one end fixedly connected with card strip 16 of spacing inserted bar 7, card strip 16 improves joint area of contact, and then improved the device installation fastness, the other end fixedly connected with of spacing inserted bar 7 bears arc piece 15, one side fixedly connected with reset spring 14 who bears arc piece 15, reset spring 14's simple to operate spacing inserted bar 7 resets, reset spring 14's inner wall and the outer wall swing joint of stand pipe 13, reset spring 14 is kept away from the one end that bears arc piece 15 and the inner wall fixed connection of mounting disc 6.

The outer wall of the rotary limiting disc 5 is fixedly connected with an anti-slip jacket 9, and the bottom surface of the ceiling 3 is provided with a mounting ring groove 18.

The working principle of the smoke alarm for the indoor fire engineering is specifically described below.

When the installation device is used, as shown in fig. 1-6, the installation disc 6 is abutted with the installation ring groove 18 formed in the bottom surface of the ceiling 3, then a worker fixes the installation disc 6 by one hand, rotates the rotary limiting disc 5 by the other hand, drives the pushing arc block 10 to rotate while rotating, pushes the bearing arc block 15 to move by the pushing arc block 10, pushes the limiting insert rod 7 to move outwards on the inner wall of the guide tube 13 while the bearing arc block 15 compresses the return spring 14, and pushes the clamping strips 16 to move outwards in the outward moving process of the limiting insert rod 7, so that one end of the limiting insert rod 7 and the clamping strips 16 are clamped to the inner wall of the installation ring groove 18 together, and the four groups of limiting insert rods 7 are synchronously clamped, so that the installation can be completed.

When the rotary limiting disc 5 drives the pushing arc block 10 to rotate, the inner wall of the bearing thread groove 11 and the outer wall of the threaded rod 17 pull the rotary limiting disc 5 to move upwards under the action of threads, and limit the pushing arc block 10, so that the pushing arc block 10 keeps pushing the bearing arc block 15.

When the ceiling lamp is dismounted, the rotary limiting disc 5 is only required to be reversely rotated, so that the pushing arc block 10 is reset, the pushing limit on the bearing arc block 15 is released, the limiting inserted link 7 is reset under the reaction force of the reset spring 14, and then the ceiling lamp 3 is pulled down, so that the dismounting work can be completed.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides an indoor smoke alarm for fire engineering, includes main part device (1), its characterized in that: the main body device (1) comprises a smoke detection unit, an installation limiting unit and a bearing unit;

the smoke detection unit, the installation limiting unit and the bearing unit are sequentially arranged from bottom to top;

the smoke detection unit comprises a smoke alarm (2), the installation limiting unit comprises a rotation limiting disc (5), an installation disc (6), a limiting inserted link (7) and an upper cover (8), and the receiving unit comprises a ceiling (3).

2. A smoke alarm for indoor fire engineering according to claim 1, wherein: the smoke alarm is characterized in that a rotating disc (4) is fixedly connected to the upper surface of the smoke alarm (2), the inner wall of the rotating disc (4) is rotationally connected with the outer wall of the bottom end of the rotating limiting disc (5), the bottom surface of the mounting disc (6) is movably connected with the upper surface of the rotating limiting disc (5), and the bottom surface of the upper cover (8) is fixedly connected with the upper surface of the mounting disc (6).

3. A smoke alarm for indoor fire engineering according to claim 1, wherein: the rotary limiting plate is characterized in that a pushing arc block (10) is fixedly connected to the center of the upper surface of the rotary limiting plate (5), a mounting hole (12) is formed in the bottom surface of the inner wall of the mounting plate (6), a bearing thread groove (11) is formed in the center of the upper surface of the pushing arc block (10), and a threaded rod (17) is fixedly connected to the center of the bottom surface of the upper cover (8).

4. A smoke alarm for indoor fire engineering according to claim 3, wherein: the outer wall of the bottom end of the pushing arc block (10) is movably connected with the inner wall of the mounting hole (12), and the outer wall of the threaded rod (17) is in threaded connection with the inner wall of the bearing thread groove (11).

5. A smoke alarm for indoor fire engineering according to claim 1, wherein: the outer wall sliding connection of spacing inserted bar (7) has stand pipe (13), the one end of stand pipe (13) with the inner wall fixed connection of mounting disc (6), the one end fixedly connected with card strip (16) of spacing inserted bar (7), the other end fixedly connected with of spacing inserted bar (7) bears arc piece (15), one side fixedly connected with reset spring (14) of bearing arc piece (15), reset spring (14) the inner wall with the outer wall swing joint of stand pipe (13), reset spring (14) keep away from bear the one end of arc piece (15) with the inner wall fixed connection of mounting disc (6).

6. A smoke alarm for indoor fire engineering according to claim 1, wherein: the outer wall of the rotary limiting disc (5) is fixedly connected with an anti-slip coat (9).

7. A smoke alarm for indoor fire engineering according to claim 1, wherein: the bottom surface of the ceiling (3) is provided with a mounting ring groove (18).