CN219180021U - A fire alarm device - Google Patents

Abstract

The utility model belongs to the technical field of alarm devices, in particular to a fire alarm device, comprising a mounting plate and a casing, a quick disassembly assembly is arranged between the installation plate and the casing, and a fire alarm assembly is arranged inside the casing. The top of the mounting plate is provided with four threaded holes, and the fire alarm assembly includes an alarm fixedly connected to the inner wall of the top of the casing, a processor fixedly connected to one side of the casing, and a smoke sensor fixedly connected to the casing. device, the smoke sensor and the alarm are both electrically connected to the processor. The utility model has a reasonable structural design, through the cooperation of the inserting plate, the slot, the rotating shaft, the winding disc, the drawstring, the fixing plate, the fixing groove, the sliding plate and the spring, the housing can be installed and disassembled quickly and efficiently, thereby facilitating In order to repair and replace the damaged smoke sensor, it can avoid the normal fire alarm caused by the damage of the smoke sensor.

Description

A fire alarm device

technical field

The utility model relates to the technical field of alarm devices, in particular to a fire alarm device.

Background technique

At present, as one of the major achievements of urban construction, public security mainly includes several major parts such as video surveillance system, anti-theft alarm system, and fire protection system. Nowadays, the number of electrical appliances is increasing, which brings convenience to people's lives, but also increases the risk of fire. The existing detection and alarm devices are generally smoke sensors fixed on the ceiling.

After searching: a fire alarm device with the authorized publication number CN216848925U, including a detection mechanism, the detection mechanism includes a protective shell, an installation cavity is provided in the protective shell, and an ion smoke sensor is arranged in the installation cavity, and the ion smoke sensor passes through the shaft. The flow fan is provided with a smoke inlet pipe located at the rear of the protective shell, and an infrared photoelectric fire sensor is provided at the front of the protective shell; the detection mechanism is provided with an alarm mechanism through a conductive ring, and a mounting plate is provided on the upper side of the alarm mechanism. And the fire alarm equipment with the authorized publication number CN208126595U, including a mounting base, a protective cover is provided on the upper end of the mounting base, a horizontal frame is provided in the protective cover, a groove is opened in the horizontal frame, and the groove There are two cylinders arranged symmetrically inside, the end of the cylinder away from the side wall of the groove is provided with a moving block, the moving block is rotatably connected with a connecting rod, and two limit rods are symmetrically arranged inside the protective cover, the Two installation blocks are arranged symmetrically in the protective cover.

However, because the smoke sensor usually needs to be detected, so as to ensure that the smoke sensor can detect the indoor conditions in real time and make alarm measures in time, once the smoke sensor is detected to be damaged, it needs to be replaced in time, but the above-mentioned smoke sensor is mostly It is fixed on the top of the room with multiple bolts, which makes disassembly and installation more difficult and troublesome, and brings inconvenience to the replacement of smoke sensors. Therefore, we propose a fire alarm device to solve the above problems.

Utility model content

The purpose of this utility model is to solve the above-mentioned shortcoming, and propose a kind of fire alarm device.

In order to achieve the above object, the utility model adopts the following technical solutions:

A fire alarm device, comprising a mounting plate and a casing, a quick disassembly assembly is arranged between the mounting plate and the casing, a fire alarm assembly is arranged inside the casing, and four threads are provided on the top of the mounting plate hole.

Preferably, the fire alarm assembly includes an alarm fixedly connected to the top inner wall of the casing, a processor fixedly connected to one side of the casing, and a smoke sensor fixedly connected in the casing, the smoke sensor and the alarm Both are electrically connected to the processor.

Preferably, the fire alarm assembly further includes a speaker fixedly connected to one side of the housing, and the speaker is electrically connected to the alarm.

Preferably, support plates are fixedly connected to the inner walls of both sides of the housing, the smoke sensor is fixedly connected to the bottom of the support plate, and a dust-proof net is fixedly connected to the bottom of the housing.

Preferably, the quick disassembly assembly includes a plug board fixedly connected to the top of the housing, the same vertical slot is opened between the plug board and the housing, a through slot is opened on one side of the plug board, and the The bottom of the mounting plate is provided with a slot, and the inner walls on both sides of the slot are provided with fixing grooves, and the top inner wall and the bottom inner wall of the through groove are provided with two slide grooves. The same rotating shaft is rotatably connected to the inner wall of the side, and the outer fixed sleeve of the rotating shaft is provided with a winding disc. A fixed plate is connected, and the two fixed plates are respectively movably clamped in the corresponding fixed grooves. A spring is fixedly connected to the inner wall of one side of the chute, and a slide plate is fixedly connected to one end of the spring, and the four slide plates are fixedly connected respectively. on the top and bottom of the corresponding mounting plate.

Preferably, the four sliding plates are respectively slidably sleeved in corresponding chute slots, and the two fixing plates are respectively slidably sleeved in corresponding through grooves.

Preferably, two fixed pulleys are rotatably connected to the rear inner wall of the through groove, and the two pull cords are both wound around the outer side of the winding disc.

Preferably, one end of the rotating shaft extends to the outside of the casing and is fixedly connected with a handwheel.

In the utility model, in the fire alarm device described above, when the smoke sensor detects smoke, it means that there is a fire in the room. At this time, the smoke sensor sends a signal to the processor, the processor starts the alarm, and the alarm sends out The alarm sound is amplified by the loudspeaker, so as to remind people to evacuate in time, and then achieve the purpose of fire alarm;

In the utility model, the described fire alarm device can quickly and efficiently control the fire alarm of the casing through the cooperation of the inserting plate, the slot, the rotating shaft, the winding disk, the pull cord, the fixing plate, the fixing groove, the sliding plate and the spring. Install and disassemble, which facilitates the maintenance and replacement of the damaged smoke sensor, and avoids the normal fire alarm caused by the damage of the smoke sensor;

The utility model has a reasonable structural design, through the cooperation of the inserting plate, the slot, the rotating shaft, the winding disc, the drawstring, the fixing plate, the fixing groove, the sliding plate and the spring, the housing can be installed and disassembled quickly and efficiently, and it is convenient In order to repair and replace the damaged smoke sensor, avoid the normal fire alarm caused by the damage of the smoke sensor.

Description of drawings

Fig. 1 is the structural representation of a kind of fire alarm device that the utility model proposes;

Fig. 2 is the sectional view of a kind of fire alarm device proposed by the utility model;

Fig. 3 is a structural schematic diagram of part A of a fire alarm device proposed by the utility model.

In the figure: 1. Mounting plate; 2. Shell; 3. Threaded hole; 4. Rotation shaft; 5. Hand wheel; 6. Processor; 7. Alarm; 8. Speaker; 9. Support plate; 10. Anti- Dust net; 11, smoke sensor; 12, vertical slot; 13, winding disc; 14, pull cord; 15, fixed pulley; 16, slide plate; 17, fixed plate; 18, fixed slot; , slot; 21, through groove; 22, spring; 23, chute.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, a fire alarm device includes a mounting plate 1 and a housing 2, a quick disassembly assembly is provided between the mounting plate 1 and the housing 2, a fire alarm assembly is provided in the housing 2, and the mounting plate 1 There are four threaded holes 3 on the top.

In the utility model, the fire alarm assembly includes an alarm 7 fixedly connected to the top inner wall of the housing 2, a processor 6 fixedly connected to one side of the housing 2, and a smoke sensor 11 fixedly connected to the housing 2. Both the sensor 11 and the alarm 7 are electrically connected to the processor 6. When the smoke sensor 11 senses smoke, it means that there is a fire in the room. At this time, the smoke sensor 11 sends a signal to the processor 6, and the processor 6 Start the alarm 7, the alarm sound that the alarm 7 sends, so that in time to remind personnel to evacuate, and then can reach the purpose of fire alarm.

In the utility model, the fire alarm assembly also includes a loudspeaker 8 fixedly connected to one side of the housing 2, and the loudspeaker 8 is electrically connected to the alarm 7, which is convenient for amplifying the alarm sound sent by the alarm 7 through the loudspeaker 8, so that personnel can hear.

In the present utility model, a support plate 9 is fixedly connected to the inner walls of both sides of the housing 2, the smoke sensor 11 is fixedly connected to the bottom of the support plate 9, and the bottom of the housing 2 is fixedly connected to a dust-proof net 10, through which the support plate 9 , it is convenient to fix and support the smoke sensor 11, and it is convenient to filter the dust through the dust-proof net 10.

In the utility model, the quick disassembly assembly includes a plug-in board 19 fixedly connected to the top of the housing 2, the same vertical slot 12 is opened between the plug-in board 19 and the housing 2, and a through slot 21 is opened on one side of the plug-in board 19 , the bottom of mounting plate 1 is provided with slot 20, is provided with fixing groove 18 on the both sides inner walls of slot 20, is provided with two slide grooves 23 on the top inner wall and the bottom inner wall of through groove 21, vertical groove 12 The same rotating shaft 4 is connected to the inner wall on both sides of the rotating shaft, and the outer fixed sleeve of the rotating shaft 4 is provided with a winding disc 13, and the outer side of the winding disc 13 is wound with two stay ropes 14, and the two stay cords 14 are far away from each other. One end of each is fixedly connected with a fixed plate 17, and the two fixed plates 17 are movably clamped in the corresponding fixed slots 18, and a spring 22 is fixedly connected on one side of the inner wall of the chute 23, and one end of the spring 22 is fixedly connected with a slide plate 16. , the four slide plates 16 are respectively fixedly connected to the top and bottom of the corresponding fixed plate 17, when the smoke sensor 11 is regularly detected to be damaged, the rotating shaft 4 is rotated, and the rotating shaft 4 drives the rotation of the winding disc 13, and the winding disc 13 Wind up two stay cords 14, and the two stay cords 14 drive the two fixing plates 17 to approach each other and break away from the fixing groove 18, so that the inserting plate 19 and the housing 2 are not fixed, and the housing 2 can be Disassemble it from the mounting plate 1, and then the smoke sensor 11 can be disassembled, overhauled and replaced. After the overhaul, the housing 2 and the plugboard 19 are inserted into the slot 20. When the plugboard 19 is inserted, the two fixed The plate 17 will automatically be compressed back into the slot 21 and squeeze the spring 22, so as not to prevent the inserting plate 19 from being completely inserted into the slot 20. When the fixing plate 17 is aligned with the fixing slot 18, the action of the spring 22 will Next, the two fixing plates 17 are separated from each other and snapped into the corresponding fixing slots 18, so that the inserting plate 19 and the housing 2 can be quickly fixed back to their original positions.

In the utility model, the four sliding plates 16 are slidably set in the corresponding chute 23 respectively, and the two fixing plates 17 are respectively slidably set in the corresponding through grooves 21, so as to guide the sliding plate 16 and the fixing plate 17 to make them Movement is more stable and smooth.

In the utility model, two fixed pulleys 15 are rotatably connected to the rear inner wall of the through groove 21, and the two pulleys 14 are all wound around the outside of the winding disk 13, so that the pulleys 14 can be guided to make their azimuth change. Change.

In the present utility model, one end of the rotating shaft 4 extends to the outside of the housing 2 and is fixedly connected with a hand wheel 5 , which is convenient for rotating the rotating shaft 4 .

In the utility model, when working, when the smoke sensor 11 senses smoke, it means that there is a fire in the room. At this time, the smoke sensor 11 sends a signal to the processor 6, and the processor 6 starts the alarm 7, and the alarm 7 The alarm sound is amplified by the loudspeaker 8, so as to remind the personnel to evacuate in time, and then achieve the purpose of fire alarm. Driven the rotation of the winding disc 13, the winding disc 13 winds up two stay ropes 14, and the two stay ropes 14 drive the two fixing plates 17 to approach each other and break away from the fixing groove 18, thereby not aligning the inserting plate 19 and the housing. 2 to fix, at this time, the shell 2 can be disassembled from the mounting plate 1, and then the smoke sensor 11 can be disassembled, overhauled and replaced, and after the overhaul, the shell 2 and the plug-in plate 19 can be inserted into the slot 20, when the inserting plate 19 is inserted, the two fixing plates 17 will automatically be compressed back into the groove 21 and squeeze the spring 22, so as not to prevent the inserting plate 19 from being fully inserted into the slot 20, when the fixing plate 17 and the fixed When the slots 18 are aligned, at this time, under the action of the spring 22, the two fixing plates 17 are separated from each other and snapped into the corresponding fixing slots 18 respectively, so that the inserting plate 19 and the housing 2 can be quickly fixed back to the original position .

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. The utility model provides a fire alarm device, its characterized in that includes mounting panel (1) and casing (2), be provided with quick assembly disassembly subassembly between mounting panel (1) and casing (2), be provided with fire alarm subassembly in casing (2), four screw holes (3) have been seted up at the top of mounting panel (1), quick assembly disassembly subassembly includes picture peg (19) of fixed connection at casing (2) top, same vertical slot (12) have been seted up between picture peg (19) and casing (2), logical groove (21) have been seted up to one side of picture peg (19), slot (20) have been seted up to the bottom of mounting panel (1), fixed slot (18) have all been seted up on the both sides inner wall of slot (20), two spouts (23) have all been seted up on the top inner wall of logical groove (21) and on the bottom inner wall, rotate on the both sides inner wall of perpendicular groove (12) and be connected with same axis of rotation (4), the outside fixed cover of axis of rotation (4) is equipped with coiling dish (13), the outside of coiling dish (13) is around being equipped with two draw-in (14) and two draw-in (14) are kept away from each other fixed connection in one side of two fixed connection spring (17) respectively on one side fixed connection inner wall (17), one end of the spring (22) is fixedly connected with a sliding plate (16), and the four sliding plates (16) are respectively and fixedly connected to the top and the bottom of the corresponding fixed plate (17).

2. The fire alarm device according to claim 1, wherein the fire alarm assembly comprises an alarm (7) fixedly connected to the inner wall of the top of the housing (2), a processor (6) fixedly connected to one side of the housing (2), and a smoke sensor (11) fixedly connected to the housing (2), and the smoke sensor (11) and the alarm (7) are electrically connected to the processor (6).

3. A fire alarm device according to claim 2, wherein the fire alarm assembly further comprises a speaker (8) fixedly connected to one side of the housing (2), the speaker (8) being electrically connected to the alarm (7).

4. A fire alarm device according to claim 2, wherein the inner walls of the two sides of the housing (2) are fixedly connected with a supporting plate (9), the smoke sensor (11) is fixedly connected to the bottom of the supporting plate (9), and the bottom of the housing (2) is fixedly connected with a dust screen (10).

5. A fire alarm device according to claim 1, characterized in that four sliding plates (16) are respectively slidably arranged in corresponding sliding grooves (23), and two fixing plates (17) are respectively slidably arranged in corresponding through grooves (21).

6. A fire alarm device according to claim 1, characterized in that the inner wall of the rear side of the through groove (21) is rotatably connected with two fixed pulleys (15), and the two pull ropes (14) are wound on the outer side of the winding disc (13).

7. A fire alarm device according to claim 1, characterized in that one end of the rotating shaft (4) extends to the outside of the housing (2) and is fixedly connected with a hand wheel (5).

Images