CN214587172U

CN214587172U - Fire alarm device for building

Info

Publication number: CN214587172U
Application number: CN202122292083.4U
Authority: CN
Inventors: 张相军; 韩伟宁; 陈雪芹
Original assignee: Shandong Post And Telecom Engineering Co ltd
Current assignee: Shandong Post And Telecom Engineering Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2021-11-02
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a fire alarm device for building, which relates to the technical field of fire protection for building, comprising a mounting plate and an alarm device body, wherein mounting holes are arranged on the left side wall and the right side wall of the mounting plate, the mounting plate is arranged on the wall surface through the mounting holes, simultaneously, the bottom of the mounting plate is provided with a double-thread lead screw, a pair of slide blocks are arranged on the thread outer walls on the left side and the right side of the double-thread lead screw, the top end of the slide block is slidably arranged at the bottom of the slide rail, the slide rail is arranged on the bottom wall of the mounting plate, simultaneously, the bottom of the slide block is rotatably arranged with a connecting rod, the other end of the connecting rod is rotatably arranged on the top wall of a connecting block, wherein, the connecting block and the fixed block are connected together, and the fixed block is arranged on the top wall of the alarm device body, the slide blocks on the left side and the right side are driven by the double-thread lead screw to move oppositely, the alarm device body is pushed to move downwards by the connecting rod, the mounting height of the alarm device body is adjusted, the use requirements of different buildings are met, and the monitoring is more accurate and timely.

Description

Fire alarm device for building

Technical Field

The utility model relates to a building fire control technical field specifically is a fire alarm device for building.

Background

The fire alarm device is a general name of equipment and facilities for preventing and extinguishing building fires, such as an automatic fire alarm system, an automatic water spraying fire extinguishing system, a fire hydrant system and the like arranged in a building. The fire hazard automatic alarm system, the automatic water spraying fire extinguishing system, the fire hydrant system, the gas fire extinguishing system, the foam fire extinguishing system, the dry powder fire extinguishing system, the smoke prevention and exhaust system, the safety evacuation system and the like are commonly used. The fire-fighting safety protection device is an important facility for ensuring the fire-fighting safety and the personnel evacuation safety of a building, and is an important component of a modern building. The automatic fire alarm system is a nervous system of the building, senses and receives a fire signal and gives an alarm in time, and after the fire alarm signal is determined, the automatic fire alarm system automatically or informs an attendant to manually start other fire extinguishing facilities and evacuation facilities, so that the safety of the building and personnel is ensured.

The fire alarm device is an automatic alarm device when a fire disaster occurs, is generally arranged at places where people often exist, such as a walkway, a stair entrance and the like, can give out sound alarm when a fire disaster occurs, and has flashing lights to remind the people in the field of attention. In order to avoid that pedestrians touch the fire alarm device by mistake, the fire alarm device is generally arranged on the top of a wall, and the heights of roofs of the fire alarm device are different due to different building types, so that the monitoring of the fire alarm device is not accurate and timely when the roof is higher, and the existing fire alarm device is inconvenient to mount and dismount.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a fire alarm device for building has the height control function, satisfies the user demand of different scenes.

In order to achieve the above object, the utility model provides a following technical scheme: the alarm device comprises a mounting plate and an alarm device body, wherein mounting holes are formed in the left side wall and the right side wall of the mounting plate, the mounting plate is mounted on a wall surface through the mounting holes, a double-thread lead screw is arranged at the bottom of the mounting plate, the two ends of the double-thread lead screw are rotatably mounted on the side wall of a connecting plate, the connecting plate is mounted on the bottom wall of the mounting plate, a pair of sliding blocks are mounted on the outer thread walls of the left side and the right side of the double-thread lead screw, the top ends of the sliding blocks are slidably mounted at the bottom of a sliding rail, the sliding rail is mounted on the bottom wall of the mounting plate, a connecting rod is rotatably mounted at the bottom of the sliding block, the other end of the connecting rod is rotatably mounted on the top wall of a connecting block, the connecting block is connected with a fixing block, the fixing block is mounted on the top wall of the alarm device body, a pair of limiting plates is mounted on the bottom wall of the mounting plate, a limiting groove is formed in the limiting plate, and a limiting block is slidably mounted in the limiting groove, meanwhile, a pair of side plates are symmetrically arranged on two side walls of the top end of the alarm device body, and side plate bolts are connected with the limiting blocks.

As a further aspect of the present invention: the bottom inner wall of the connecting block is provided with a through groove, a pair of convex blocks are arranged in the through groove in a sliding mode, the two convex blocks are connected together through a connecting spring, the convex blocks stretch out from the through groove under the elastic force action of the connecting spring, the top wall of the fixing block is provided with a connecting groove, the bottom of the connecting block is inserted into the connecting groove, the left side wall and the right side wall of the connecting groove are symmetrically provided with a pair of slots, and the convex blocks are clamped in the slots.

As a further aspect of the present invention: one end of the slot, which is far away from the convex block, is provided with a push rod in a sliding manner, the end part of the push rod extends out of the slot, the extending end of the push rod is provided with a pressing plate, a side wall of the pressing plate, which is close to the fixing plate, is provided with a return spring, the other end of the return spring is arranged on the outer wall of the fixing plate, and the return spring is wound outside the push rod.

As a further aspect of the present invention: the alarm device comprises an alarm device body and is characterized in that a smoke sensor and a temperature sensor are arranged inside the alarm device body, wherein the detection ends of the smoke sensor and the temperature sensor extend out of the outer wall of the alarm device body, and meanwhile, a monitoring camera is arranged on the side wall of the front face of the alarm device body.

As a further aspect of the present invention: install the speaker on the positive lateral wall of alarm device body to install the light on the diapire of alarm device body, wherein the outside of light is provided with the safety cover.

As a further aspect of the present invention: the limiting block comprises an end plate and a sliding plate, wherein the end plate is arranged on the front side wall and the rear side wall of the sliding plate, the sliding plate is slidably arranged in the limiting groove, and meanwhile, a threaded hole is formed in one side wall, close to the side plate, of the end plate.

Due to the adoption of the technical scheme, the utility model discloses following superiority has: the utility model is provided with a connecting rod, one end of the connecting rod is arranged on the outer wall of the double thread screw rod through a sliding block, the other end of the connecting rod is connected with the alarm device body through a connecting block, the double-thread lead screw drives the slide blocks on the left side and the right side to move oppositely, the connecting rod pushes the alarm device body to move downwards, the installation height of the alarm device body is adjusted, the use requirements of different buildings are met, the monitoring is more accurate and timely, meanwhile, the top of the alarm device body is provided with a fixed block, the top of the fixed block is provided with a connecting groove, the connecting block is clamped in the connecting groove through a convex block, when the alarm device body needs to be disassembled, an operator presses the pressing plates on the two sides simultaneously, the convex block is pushed out from the slot through the push rod, can dismantle the alarm device body get off, it is more convenient to operate, has further increased the practicality of device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic view of the installation of the fixing block of the present invention.

Fig. 3 is the schematic diagram of the limiting block of the present invention.

As shown in the figure: 1. mounting panel, 2, the alarm device body, 3, two screw lead screws, 4, the connecting rod, 5, the connecting block, 6, the fixed block, 7, the slider, 8, the connecting plate, 9, the limiting plate, 10, the curb plate, 11, the spacing groove, 12, smoke transducer, 13, temperature sensor, 14, surveillance camera head, 15, the speaker, 16, the light, 17, the safety cover, 18, the mounting hole, 19, the crank, 20, the slide rail, 21, logical groove, 22, the lug, 23, coupling spring, 24, the slot, 25, the push rod, 26, the clamp plate, 27, reset spring, 28, the end plate, 29, the slide, 30, the screw hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the present invention, a fire alarm device for building comprises a mounting plate 1 and an alarm device body 2, wherein mounting holes 18 are formed on the left and right side walls of the mounting plate 1, the mounting plate 1 is mounted on a wall surface through the mounting holes 18, a double-threaded lead screw 3 is disposed at the bottom of the mounting plate 1, two ends of the double-threaded lead screw 3 are rotatably mounted on the side wall of a connecting plate 8, the connecting plate 8 is mounted on the bottom wall of the mounting plate 1, a pair of sliders 7 are mounted on the outer threaded walls of the left and right sides of the double-threaded lead screw 3, the top end of each slider 7 is slidably mounted at the bottom of a slide rail 20, the slide rail 20 is mounted on the bottom wall of the mounting plate 1, the sliders 7 are limited by the slide rails 20, so that the sliders 7 perform horizontal movement under the driving of the double-threaded lead screw 3, and a connecting rod 4 is rotatably mounted at the bottom of the sliders 7, the other end of the connecting rod 4 is rotatably installed on the top wall of the connecting block 5, wherein the connecting block 5 is connected with the fixing block 6, the fixing block 6 is installed on the top wall of the alarm device body 2, the sliding blocks 7 on the left side and the right side are driven to move oppositely through the double-thread lead screw 3, the alarm device body 2 is pushed to move downwards through the connecting rod 4, the installation height of the alarm device body 2 is adjusted to meet the use requirements of different buildings, meanwhile, a pair of limiting plates 9 are installed on the bottom wall of the installation plate 1, limiting grooves 11 are formed in the limiting plates 9, limiting blocks are slidably installed in the limiting grooves 11, meanwhile, a pair of side plates 10 are symmetrically installed on two side walls of the top end of the alarm device body 2, the side plates 10 are connected with the limiting blocks through bolts, therefore, the horizontal limiting of the alarm device body 2 is achieved through the limiting blocks, and the alarm device body 2 is prevented from horizontally shaking, the installation is more stable.

Referring to fig. 2, it can be seen that: open groove 21 has been seted up in the bottom inner wall of connecting block 5, wherein logical slidable mounting has a pair of lug 22 in groove 21, and two lugs 22 link together through coupling spring 23, lug 22 stretches out in going out groove 21 under coupling spring 23's elastic force effect, the spread groove has been seted up on the roof of fixed block 6 simultaneously, wherein the bottom of connecting block 5 inserts in the spread groove, and a pair of slot 24 has been seted up to the symmetry on the wall of the left and right sides of spread groove, lug 22 chucking is in slot 24, link together connecting block 5 and fixed block 6.

Specifically, a push rod 25 is slidably mounted at one end of the slot 24 away from the projection 22, wherein an end of the push rod 25 extends out of the slot 24, a pressing plate 26 is mounted at the extending end of the push rod 25, a return spring 27 is mounted on a side wall of the pressing plate 26 close to the fixing plate 6, wherein the other end of the return spring 27 is mounted on the outer wall of the fixing plate 6, and the return spring 27 is wound outside the push rod 25; when the alarm device body 2 needs to be detached, an operator presses the pressing plates 26 on the two sides simultaneously, the protruding block 22 is pushed out from the slot 24 through the push rod 25, the alarm device body 2 can be detached, and the operation is more convenient.

Specifically, a smoke sensor 12 and a temperature sensor 13 are installed inside the alarm device body 2, wherein the detection ends of the smoke sensor 12 and the temperature sensor 13 extend out of the outer wall of the alarm device body 2, a fire is monitored through the smoke sensor 12 and the temperature sensor 13, a monitoring camera 14 is installed on the front side wall of the alarm device body 2, when a fire alarm occurs, a monitoring person can observe a monitoring area through the monitoring camera 14 to know the fire in time, a loudspeaker 15 is installed on the front side wall of the alarm device body 2, an illuminating lamp 16 is installed on the bottom wall of the alarm device body 2, an acousto-optic alarm is timely sent through the loudspeaker 15 and the illuminating lamp 16 to prompt residents to withdraw, a protective cover 17 is installed outside the illuminating lamp 16, and the illuminating lamp 16 is shielded and protected through the protective cover 17, avoiding smoke interfering with the illumination lamp 16.

Preferably, the limiting block comprises an end plate 28 and a sliding plate 29, wherein the end plate 28 is mounted on the front side wall and the rear side wall of the sliding plate 29, the sliding plate 29 is slidably mounted in the limiting groove 11 and can slide up and down along the limiting groove 11, and a threaded hole 30 is formed in one side wall of the end plate 28 close to the side plate 10, so that the side plate 10 and the limiting block are connected together through a bolt, and the auxiliary fixing of the alarm device body 2 is completed.

Claims

1. The utility model provides a fire alarm device for building, includes mounting panel (1) and alarm device body (2), its characterized in that: mounting holes (18) are formed in the left side wall and the right side wall of the mounting plate (1), the mounting plate (1) is mounted on the wall through the mounting holes (18), double-thread lead screws (3) are arranged at the bottom of the mounting plate (1), the two ends of each double-thread lead screw (3) are rotatably mounted on the side wall of the corresponding connecting plate (8), the connecting plates (8) are mounted on the bottom wall of the mounting plate (1), a pair of sliding blocks (7) are mounted on the outer walls of threads on the left side and the right side of each double-thread lead screw (3), the top ends of the sliding blocks (7) are slidably mounted at the bottoms of the sliding rails (20), the sliding rails (20) are mounted on the bottom wall of the mounting plate (1), the connecting rods (4) are rotatably mounted at the bottoms of the sliding blocks (7), the other ends of the connecting rods (4) are rotatably mounted on the top wall of the connecting block (5), and the connecting block (5) and the fixing block (6) are connected together, and fixed block (6) are installed on the roof of alarm device body (2), install a pair of limiting plate (9) on the diapire of mounting panel (1) simultaneously, wherein spacing groove (11) have been seted up to the inside of limiting plate (9), and slidable mounting has the stopper in spacing groove (11), and a pair of curb plate (10) are installed to the symmetry on the top both sides wall of alarm device body (2) simultaneously, and curb plate (10) bolt and stopper link together.

2. A fire alarm device for building according to claim 1, wherein: open groove (21) have been seted up in the bottom inner wall of connecting block (5), wherein logical slidable mounting has a pair of lug (22) in groove (21), and two lug (22) link together through coupling spring (23), lug (22) stretch out in logical groove (21) under the spring action of coupling spring (23), the spread groove has been seted up on the roof of fixed block (6) simultaneously, wherein the bottom of connecting block (5) inserts in the spread groove, and a pair of slot (24) have been seted up to the symmetry on the wall of the left and right sides of spread groove, lug (22) chucking is in slot (24).

3. A fire alarm device for building according to claim 2, wherein: one end slidable mounting that lug (22) was kept away from in slot (24) has push rod (25), wherein the tip of push rod (25) stretches out from the outside of slot (24), and clamp plate (26) are installed to the end that stretches out of push rod (25), and a lateral wall that clamp plate (26) are close to fixed block (6) simultaneously installs reset spring (27), wherein reset spring (27) other end is installed on the outer wall of fixed block (6), and reset spring (27) twine in the outside of push rod (25).

4. A fire alarm device for building according to claim 1 or 2, wherein: the alarm device is characterized in that a smoke sensor (12) and a temperature sensor (13) are arranged inside the alarm device body (2), wherein the detection ends of the smoke sensor (12) and the temperature sensor (13) extend out of the outer wall of the alarm device body (2), and meanwhile, a monitoring camera (14) is arranged on the front side wall of the alarm device body (2).

5. A fire alarm device for building according to claim 1 or 2, wherein: install speaker (15) on the front lateral wall of alarm device body (2) to install light (16) on the diapire of alarm device body (2), wherein the outside of light (16) is provided with safety cover (17).

6. A fire alarm device for building according to claim 1 or 2, wherein: the limiting block comprises an end plate (28) and a sliding plate (29), wherein the end plate (28) is arranged on the front side wall and the rear side wall of the sliding plate (29), the sliding plate (29) is arranged in the limiting groove (11) in a sliding mode, and meanwhile a threaded hole (30) is formed in one side wall, close to the side plate (10), of the end plate (28).

7. A fire alarm device for building according to claim 1 or 2, wherein: one end of the double-thread screw (3) extends out of the side wall of the connecting plate (8), and the extending end of the double-thread screw (3) is connected with a crank (19).