CN211149612U

CN211149612U - Fire alarm device

Info

Publication number: CN211149612U
Application number: CN201922037088.5U
Authority: CN
Inventors: 王立丹
Original assignee: TIANJIN E-HUALU INFORMATION TECHNOLOGY CO LTD
Current assignee: TIANJIN E-HUALU INFORMATION TECHNOLOGY CO LTD
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-31
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to the technical field of fire alarm, and discloses a fire alarm device, which comprises a hollow fire-proof box, wherein the bottom of the fire-proof box is fixedly provided with a fire alarm main body, and the fire-proof box is provided with a protection mechanism corresponding to the fire alarm main body; protection machanism includes the servo motor of fixed mounting on the one end inner wall of fire prevention box, servo motor's output fixedly connected with lead screw, and be equipped with two kinds of opposite direction's screw on the lead screw, the one end that servo motor was kept away from to the lead screw is passed through the bearing and is connected with the inner wall rotation of fire prevention box, sliding connection has the slide that two symmetries set up in the fire prevention box, the equal fixedly connected with fire prevention box top sliding connection's of upper surface of two slides carriage bars carriage release lever, the lead screw runs through two carriage release lever settings, and lead screw. The utility model discloses make fire alarm possess automatic safeguard function, after avoiding taking place the fire disaster, high temperature and naked light cause the damage to fire alarm.

Description

Fire alarm device

Technical Field

The utility model relates to a fire alarm technical field especially relates to a fire alarm device.

Background

The fire alarm device is a device for receiving and transmitting fire alarm signals, and can alarm fire in time and remind people of evacuating.

The existing fire alarm comprises a controller, a camera, a temperature sensor, a humidity sensor, a smoke sensor, a thermal imaging sensor, an optical sensor, a microphone array, an electrical fire monitor, a loudspeaker and a communication module, and is used for analyzing information such as temperature, humidity, smoke, light, sound, current, video and the like in a certain space in real time, synthesizing various summary information, performing cross validation, finding fire hazard and fire scene as soon as possible and generating alarm information. When a fire has occurred, the speaker notifies the people on site of the orderly evacuation. However, the conventional fire alarm is directly exposed in the air, and after a fire occurs, the fire alarm is damaged by high temperature and open fire, so that the subsequent use of the fire alarm is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the fire alarm device in the prior art is directly exposed in the air and damaged by high temperature and open fire after fire disaster occurs, and providing a fire alarm device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fire alarm device, includes hollow structure's fire prevention case, the bottom fixed mounting of fire prevention case has the fire alarm ware main part, install the protection machanism who corresponds with the fire alarm ware main part on the fire prevention case.

Preferably, the protection mechanism comprises a servo motor fixedly arranged on the inner wall of one end of the fire-proof box, the output end of the servo motor is fixedly connected with a lead screw, the lead screw is provided with two threads with opposite directions, one end of the lead screw, which is far away from the servo motor, is rotatably connected with the inner wall of the fire-proof box through a bearing, two sliding plates which are symmetrically arranged are slidably connected in the fire-proof box, the upper surfaces of the two sliding plates are fixedly connected with a moving rod which is slidably connected with the top of the fire-proof box, the lead screw penetrates through the two moving rods and is in threaded connection with the moving rod, the bottom of the fire-proof box is symmetrically provided with a through groove, the lower surfaces of the two sliding plates are fixedly connected with connecting rods which are matched with the through groove, the other ends of the two connecting rods penetrate, and the top of protection casing and the lateral part that is close to the fire alarm main part are the opening setting, one of them the opening edge fixedly connected with a plurality of evenly distributed's of protection casing close to the fire alarm main part fixture block, another a plurality of draw-in grooves corresponding with the fixture block have been seted up along the edge to the opening of protection casing, and the fire prevention that fixedly connected with matches is sealed to fill up on the inner wall of draw-in groove.

Preferably, the four corners of the side wall of the fire-proof box, which is close to the top, are fixedly connected with mounting blocks, and positioning holes are formed in the mounting blocks.

Preferably, a travel switch is fixedly mounted on the side wall of one of the moving rods through a support, and a pressure rod corresponding to the travel switch is fixedly connected to the other moving rod.

Preferably, the protective cover is high-temperature-resistant visible glass.

Preferably, the top end of the moving rod is fixedly provided with a roller, the upper surface inside the fire-proof box is provided with a roller groove matched with the roller, and the roller is in rolling connection with the roller groove.

Compared with the prior art, the utility model provides a fire alarm device possesses following beneficial effect:

this fire alarm device, through setting up fire prevention case, fire alarm ware main part and protection machanism, when the conflagration breaing out, the convenient conflagration alarm ware main part is reported to the police in time to the conflagration, simultaneously, control protection machanism drives two protection casings closed to protect the fire alarm ware main part, after avoiding taking place the fire disaster, high temperature and naked light can harm the fire alarm ware main part, influence follow-up use.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make fire alarm possess automatic safeguard function, after avoiding taking place the fire disaster, high temperature and naked light cause the damage to fire alarm.

Drawings

Fig. 1 is a schematic structural view of a fire alarm device provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the fire alarm device comprises a fire prevention box 1, a fire alarm device body 2, a servo motor 3, a screw rod 4, a sliding plate 5, a moving rod 6, a through groove 7, a connecting rod 8, a protective cover 9, a clamping block 10, a clamping groove 11, a fireproof sealing gasket 12, an installation block 13, a travel switch 14, a pressure lever 15, a roller 16 and a roller groove 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a fire alarm device comprises a fire-proof box 1 with a hollow structure, a fire alarm main body 2 is fixedly arranged at the bottom of the fire-proof box 1, and a protection mechanism corresponding to the fire alarm main body 2 is arranged on the fire-proof box 1.

The protection mechanism comprises a servo motor 3 fixedly installed on the inner wall of one end of the fire-proof box 1, the output end of the servo motor 3 is fixedly connected with a lead screw 4, the lead screw 4 is provided with two opposite threads, one end of the lead screw 4 far away from the servo motor 3 is rotatably connected with the inner wall of the fire-proof box 1 through a bearing, the fire-proof box 1 is slidably connected with two symmetrically arranged sliding plates 5, the upper surfaces of the two sliding plates 5 are fixedly connected with a moving rod 6 which is slidably connected with the top of the fire-proof box 1, the lead screw 4 penetrates through the two moving rods 6 and is arranged, the lead screw 4 is in threaded connection with the moving rod 6, the bottom of the fire-proof box 1 is symmetrically provided with through grooves 7, the lower surfaces of the two sliding plates 5 are fixedly connected with connecting rods 8 matched with the through grooves 7, the other ends of the two connecting rods 8, the top of the protective cover 9 and the side part close to the fire alarm main body 2 are both provided with openings, the edge of one protective cover 9 close to the opening of the fire alarm main body 2 is fixedly connected with a plurality of clamping blocks 10 which are uniformly distributed, the edge of the opening of the other protective cover 9 is provided with a plurality of clamping grooves 11 corresponding to the clamping blocks 10, the inner wall of each clamping groove 11 is fixedly connected with a matched fireproof sealing gasket 12, the fire alarm main body 2 can conveniently alarm fire in time, meanwhile, the servo motor 3 is started to drive the screw rod 4 to rotate, (the controller in the fire alarm main body 2 controls the servo motor 3 to be started as the prior mature technology, which is not described in detail), the screw rod 4 is provided with two threads with opposite directions, two moving rods 6 which are connected by the threads drive the sliding plate 5 to move in the fire box 1, and the connecting rod 8 at the bottom of the sliding plate, thereby drive two protection casings 9 and slide in opposite directions along the bottom of fire prevention box 1, when two protection casings 9 laminated each other, a plurality of fixture blocks 10 and draw-in groove 11 block set up fire-proof sealing pad 12 in the draw-in groove 11 moreover to guarantee the compactness of two protection casings 9 blocks, effectively avoid taking place after the fire disaster, high temperature and naked light cause the damage to fire alarm, make fire alarm possess automatic safeguard function.

The equal fixedly connected with installation piece 13 in lateral wall four corners department that fire prevention case 1 is close to the top, and has seted up the locating hole on the installation piece 13, conveniently carries out fixed mounting to fire prevention case 1.

A travel switch 14 is fixedly mounted on the side wall of one of the moving rods 6 through a support, a pressing rod 15 corresponding to the travel switch 14 is fixedly connected to the other moving rod 6, and when the two protective covers 9 are mutually attached, the pressing rod 15 abuts against the travel switch 14 to stop the rotation of the servo motor 3, so that the damage of the screw rod 4 caused by the excessive rotation of the servo motor 3 is avoided.

The protective cover 9 is made of high-temperature-resistant visual glass, so that the protective cover 9 is prevented from influencing the image acquisition of the fire alarm main body 1.

The top end of the moving rod 6 is fixedly provided with a roller 16, the upper surface inside the fire-proof box 1 is provided with a roller groove 17 matched with the roller 16, and the roller 16 is in rolling connection with the roller groove 17, so that the friction force between the moving rod 6 and the top of the fire-proof box 1 is effectively reduced.

The utility model discloses in, 2 convenience of fire alarm ware main part in time report to the police to the conflagration, and simultaneously, start servo motor 3 and drive lead screw 4 and rotate, there are two opposite direction's screw thread on the lead screw 4, two carriage release levers 6 that make threaded connection drive slide 5 in fire prevention box 1 relative motion, the connecting rod 8 of slide 5 bottom is along leading to groove 7 motion, thereby drive two protection casings 9 and slide in opposite directions along fire prevention box 1's bottom, when two protection casings 9 are laminated each other, a plurality of fixture blocks 10 and draw-in groove 11 blocks, and set up fire-proof gasket 12 in the draw-in groove 11, thereby guarantee the compactness of two protection casing 9 blocks, effectively avoid taking place after the fire disaster, high temperature and naked light cause the damage to fire alarm ware, make fire alarm ware possess automatic protection.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fire alarm device, includes hollow structure's fire prevention case (1), its characterized in that, the bottom fixed mounting of fire prevention case (1) has fire alarm ware main part (2), install the protection machanism corresponding with fire alarm ware main part (2) on fire prevention case (1).

2. A fire alarm device according to claim 1, wherein the protection mechanism comprises a servo motor (3) fixedly mounted on an inner wall of one end of the fire box (1), the output end of the servo motor (3) is fixedly connected with a screw rod (4), the screw rod (4) is provided with two opposite threads, one end of the screw rod (4) far away from the servo motor (3) is rotatably connected with the inner wall of the fire box (1) through a bearing, the fire box (1) is slidably connected with two symmetrically arranged sliding plates (5), the upper surfaces of the two sliding plates (5) are both fixedly connected with a moving rod (6) slidably connected with the top of the fire box (1), the screw rod (4) penetrates through the two moving rods (6), the screw rod (4) is in threaded connection with the moving rods (6), the bottom of the fire box (1) is symmetrically provided with a through groove (7), two the equal fixedly connected with of lower surface of slide (5) and lead to connecting rod (8) that groove (7) matches, two the other end of connecting rod (8) all passes through groove (7) and fixedly connected with protection casing (9), and connecting rod (8) and lead to groove (7) swing joint, two protection casing (9) symmetry sets up, and the top of protection casing (9) and the lateral part that is close to fire alarm main part (2) are the opening setting, one of them protection casing (9) are close to opening edge a plurality of evenly distributed's of fixedly connected with fixture block (10) of fire alarm main part (2), another a plurality of draw-in grooves (11) corresponding with fixture block (10) are seted up along the edge to the opening of protection casing (9), and the sealed pad (12) of fire prevention that fixedly connected with matches on the inner wall of draw-in groove (11).

3. A fire alarm device according to claim 1, wherein the fire-proof box (1) is fixedly connected with mounting blocks (13) at four corners of the side wall near the top, and the mounting blocks (13) are provided with positioning holes.

4. A fire alarm device according to claim 2, wherein a travel switch (14) is fixedly mounted on a side wall of one of the moving rods (6) through a bracket, and a pressure lever (15) corresponding to the travel switch (14) is fixedly connected to the other moving rod (6).

5. A fire alarm device according to claim 2, characterised in that the protective cover (9) is high temperature resistant visible glass.

6. A fire alarm device according to claim 2, wherein the moving rod (6) is fixedly provided at a top end thereof with a roller (16), an upper surface of an inside of the fire-proof box (1) is provided with a roller groove (17) matching with the roller (16), and the roller (16) is in rolling connection with the roller groove (17).