CN211787417U - An automatic fire alarm device for fire detection - Google Patents

Abstract

The utility model discloses a fire automatic alarm device for fire detection, which comprises a smoke automatic alarm, the top of the automatic smoke alarm is fixedly provided with a mounting disc, the edge of the top of the mounting disc is provided with a positioning hole, and a first magnet is fixedly arranged in the positioning hole, a protective mesh enclosure and a mounting ring are sleeved on the smoke automatic alarm, the mounting ring is fixedly arranged at the top of the protective net cover, the position of the mounting ring corresponding to the first magnet is fixedly provided with a positioning column, the first magnet is fixedly arranged in the positioning hole arranged at the bottom edge of the mounting disc, so that the second magnet is conveniently adsorbed on the first magnet, the positioning column can be limited in the positioning hole, and the position of the mounting ring can be limited and fixed, the positioning rod is inserted into the outer wall of the mounting disc, so that the positioning rod can be conveniently inserted into the positioning column, and the mounting stability of the positioning column and the mounting ring is improved.

Description

An automatic fire alarm device for fire detection

technical field

The utility model belongs to the technical field of automatic alarms, in particular to an automatic fire alarm device for fire detection.

Background technique

With the increasing density of urban population, the increase of power-consuming equipment in buildings, the density of lines is also increasing, and the hidden dangers of corresponding fires are also increasing. For high-rise buildings, once a fire occurs, it is easy to cause major loss of life and property due to unfavorable factors such as untimely fighting, lack of fire-fighting equipment, panic of the people present, and slow escape. Therefore, it is of great significance to discuss the characteristics of high-rise building fires and fire prevention countermeasures for preventing fires and reducing fire losses. At present, high-rise buildings will be equipped with automatic fire alarm devices to warn people in advance so that people can be evacuated in time. The installation structure of the automatic alarm device in the prior art is relatively simple, and when the automatic alarm device needs to be replaced and maintained in the later stage, the disassembly and assembly are relatively cumbersome, and at the same time, there is no good protective structure for the automatic alarm device, resulting in the automatic alarm device being subjected to external forces. Highly vulnerable to damage on impact.

Utility model content

The purpose of the utility model is to provide an automatic fire alarm device for fire detection in order to solve the above-mentioned problems.

The technical scheme adopted by the utility model is as follows:

An automatic fire alarm device for fire detection, comprising an automatic smoke alarm, a mounting plate is fixedly installed on the top of the automatic smoke alarm, a positioning hole is opened at the top edge of the mounting plate, and a positioning hole is fixedly installed inside the positioning hole. The first magnet, a protective net cover and a mounting ring are sleeved on the automatic smoke alarm, and the mounting ring is fixedly installed on the top of the protective net cover, and a positioning column is fixedly installed on the mounting ring relative to the position of the first magnet, so A second magnet is fixedly installed at one end of the positioning column opposite to the first magnet, the positioning column and the second magnet are inserted into the positioning hole, and the second magnet and the first magnet are adsorbed together, and the second magnet and the second magnet are connected to each other. The first magnet is a set of magnets with opposite polarities.

Preferably, a positioning rod is inserted into the outer wall of the mounting plate, and one end of the positioning rod opposite to the mounting plate is inserted into the interior of the positioning column, a placing ring is fixedly installed at the bottom end of the protective net cover, and the middle part of the placing ring is A motor is placed, and the motor is connected with the smoke automatic alarm through a wire to form a passage.

Preferably, the outer wall of the motor is fixedly connected to one end of the connecting rod, and the other end of the connecting rod is fixedly connected to the inner wall of the placement ring, the rotating shaft of the motor is fixedly installed with a fan blade, and the top of the mounting plate is placed There are mounts, and the mounts are threaded to the ceiling with screws.

Preferably, a limiting hole is formed at the center of the top of the mounting plate, and a spring is fixedly installed at the inner bottom end of the limiting hole, a limiting column is fixedly installed at the bottom of the mounting seat relative to the spring, and the limiting column is inserted into In the limit hole, and the limit post fits with the top of the spring.

Preferably, limit hooks are fixedly installed on both sides of the mounting plate, a movable plunger is movably inserted in the cross section above the limit hook, and a limit plate is fixedly installed at the top of the movable plunger, and the movable plunger The upper sleeve is connected with a spring sleeve, one end of the spring sleeve is fixedly connected to the bottom of the limit plate, and the other end of the spring sleeve is fixedly connected to the top of the cross section above the limit hook.

Preferably, a pin rod is inserted into the front wall of the upper cross section of the limit hook, and the pin rod is inserted into the inside of the movable plug rod, and the limit card plates are fixedly installed on both sides of the mounting seat relative to the position of the limit hook, so The limit card board is clamped on the inner side of the limit hook, and the bottom end of the movable insertion rod is inserted into the limit card board. When the pin rod is inserted into the inside of the movable insertion rod, the bottom end of the movable insertion rod is inserted On the same level as the bottom of the cross section above the limit hook.

To sum up, due to the adoption of the above technical solutions, the beneficial effects of the present utility model are: it is convenient to better protect the automatic smoke alarm, so that the automatic smoke alarm is not easily damaged, and the replacement of the automatic smoke alarm is more convenient, Increase work efficiency, and better collect smoke through motor and fan blades, increasing the safety of automatic smoke alarms.

1. In the present utility model, the first magnet is fixedly installed in the positioning hole opened at the bottom edge of the mounting plate, so that the second magnet can be adsorbed on the first magnet, and the positioning column can be limited in the positioning hole. At the same time, the position of the mounting ring can be limited and fixed. A positioning rod is inserted into the outer wall of the mounting plate, which is convenient for the positioning rod to be inserted into the positioning column and increases the installation stability of the positioning column and the mounting ring. At the bottom of the mounting ring A protective net cover is fixedly installed, which is convenient for protecting the automatic smoke alarm, making the automatic smoke alarm not easy to be damaged, and increasing the service life of the automatic smoke alarm. A connecting rod is fixedly connected to the outer wall of the motor, which is convenient for limiting the position of the motor. The position is fixed, and the fan blade is fixedly installed on the rotating shaft of the motor, which facilitates the introduction of smoke into the position of the automatic smoke alarm, and increases the stability of the detection of the automatic smoke alarm.

2. In the present utility model, a spring is fixedly installed in the limit hole provided on the top of the mounting plate, which is convenient for inserting the limit post into the limit hole, so that the position of the mounting seat is limited and fixed, and the spring plays a Squeeze and buffer function, the limit hooks are fixedly installed on both sides of the mounting plate, so that the limit card plate can be clamped in the limit hook, the limit card plate can be limited, and the position of the mounting seat can be obtained. Limit, the cross section above the limit hook is movably plugged with a movable plunger, which is convenient for the movable plunger to be inserted into the limit card plate, and the position of the limit card plate can be limited and fixed at the top of the movable plunger A limit plate is installed, which is convenient for limiting the spring sleeve. A spring sleeve is sleeved on the movable plunger, which is convenient for inserting the movable plunger into the limit card plate more stably. The front wall is crossed above the limit hook. A pin rod is inserted, so that the position of the movable insertion rod can be limited and fixed by the pin rod, so that the limit card plate can be rotated better.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural sectional view of the mounting plate and the mounting ring of the utility model;

Fig. 3 is the top view of the placement ring structure of the present invention;

FIG. 4 is an enlarged schematic diagram of the structure of the A region in FIG. 1 .

Marked in the picture: 1- automatic smoke alarm, 2-installation plate, 3-first magnet, 4-protective mesh cover, 5-installation ring, 6-positioning post, 7-second magnet, 8-positioning rod, 9 -Place ring, 10-motor, 11-connecting rod, 12-fan blade, 13-mounting seat, 14-spring, 15-limiting post, 16-limiting hook, 17-moving rod, 18-limiting plate , 19-spring sleeve, 20-pin rod, 21-limit card.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

1 and 2, an automatic fire alarm device for fire detection includes an automatic smoke alarm 1, an installation plate 2 is fixedly installed on the top of the smoke automatic alarm 1, and a positioning hole is opened at the top edge of the installation plate 2, and The first magnet 3 is fixedly installed inside the positioning hole, so that the second magnet 7 can be easily adsorbed on the first magnet 3, the positioning column 6 can be limited in the positioning hole, and the position of the mounting ring 5 can be limited and fixed at the same time , the automatic smoke alarm 1 is sleeved with a protective net cover 4 and an installation ring 5, and the installation ring 5 is fixedly installed on the top of the protective net cover 4, which is convenient for protecting the automatic smoke alarm 1 and makes the automatic smoke alarm 1 not easy. Damaged to increase the service life of the automatic smoke alarm 1, a positioning post 6 is fixedly installed at the position of the mounting ring 5 relative to the first magnet 3, and a second magnet 7 is fixedly installed at one end of the positioning post 6 opposite to the first magnet 3, and the positioning The post 6 and the second magnet 7 are inserted into the positioning hole, and the second magnet 7 and the first magnet 3 are adsorbed together. The second magnet 7 and the first magnet 3 are a set of magnets with opposite polarities.

1-3, a positioning rod 8 is inserted into the outer wall of the mounting plate 2, and one end of the positioning rod 8 opposite to the mounting plate 2 is inserted into the interior of the positioning column 6, so that the positioning rod 8 is inserted into the positioning column 6, and the positioning is increased. The installation stability of the column 6 and the installation ring 5, the bottom end of the protective net cover 4 is fixedly installed with a placement ring 9, the middle of the placement ring 9 is placed with a motor 10, and the motor 10 is connected with the automatic smoke alarm 1 through wires to form a passage , the outer wall of the motor 10 is fixedly connected to one end of the connecting rod 11, and the other end of the connecting rod 11 is fixedly connected to the inner wall of the placing ring 9, which is convenient to limit and fix the position of the motor 10. The fixed installation on the rotating shaft of the motor 10 has The fan blade 12 facilitates better introduction of smoke into the position of the automatic smoke alarm 1 and increases the detection stability of the automatic smoke alarm 1. A mounting seat 13 is placed on the top of the mounting plate 2, and the mounting seat 13 is connected by screws. On the ceiling, a limiting hole is provided at the center of the top of the mounting plate 2, and the inner bottom end of the limiting hole is fixedly installed with a spring 14, which is convenient for inserting the limiting column 15 into the limiting hole, so that the position of the mounting seat 13 is obtained. The limit is fixed, and the spring 14 plays a role of extrusion and buffering. The bottom of the mounting seat 13 and the spring 14 are fixedly installed with a limit post 15. The limit post 15 is inserted into the limit hole, and the limit post 15 is connected to the spring. 14 Top fit.

Referring to FIGS. 1 and 4 , the limit hooks 16 are fixedly installed on the upper sides of the two sides of the mounting plate 2 , so that the limit card plate 21 can be clamped in the limit hook 16 , and the limit card plate 21 can be limited and installed at the same time. The position of the seat 13 is limited, and the cross-section above the limit hook 16 is movably plugged with a movable insertion rod 17, which is convenient for the movable insertion rod 17 to be inserted into the limit card board 21, and the position of the limit card board 21 can be adjusted. Limit, the top of the movable plunger 17 is fixedly installed with a limit plate 18, which is convenient for limiting the spring sleeve 19, and the movable plunger 17 is sleeved with a spring sleeve 19, which is convenient to insert the movable plunger 17 in the limit position more stably In the card board 21, one end of the spring sleeve 19 is fixedly connected to the bottom of the limit plate 18, and the other end of the spring sleeve 19 is fixedly connected to the top of the cross section above the limit hook 16, and the upper cross section of the limit hook 16 is inserted into the front wall. There is a pin rod 20, and the pin rod 20 is inserted into the inside of the movable insertion rod 17, so that the position of the movable insertion rod 17 can be limited and fixed by the pin rod 20, which is convenient for the limit card plate 21 to rotate better. 13. The position of the two sides relative to the limit hook 16 is fixedly installed with the limit card plate 21, the limit card plate 21 is clamped on the inner side of the limit hook 16, and the bottom end of the movable insertion rod 17 is inserted into the limit card plate 21. , when the pin rod 20 is inserted into the inside of the movable insertion rod 17, and the bottom end of the movable insertion rod 17 and the bottom of the cross section above the limit hook 16 are located on the same horizontal plane.

working principle:

In the present application, when installing the automatic smoke alarm 1, the protective net cover 4 and the installation ring 5 are sleeved on the automatic smoke alarm 1, and the positioning post 6 is inserted into the positioning provided at the bottom of the installation plate 2 at the same time. In the hole, the second magnet 7 fixedly installed at the end of the positioning column 6 is adsorbed on the first magnet 3, so that the position of the positioning column 6 can be limited, and the positions of the protective mesh cover 4 and the installation ring 5 can be limited at the same time. Fixing, inserting the positioning rod 8 into the positioning column 6 through the mounting plate 2, the position of the positioning column 6 can be further limited and fixed, and the stability of the placement of the protective net cover 4 and the mounting ring 5 can be increased.

In the present application, the limit post 15 is inserted into the limit hole provided on the top of the mounting plate 2 , so that the limit post 15 is placed on the spring 14 , and the position of the limit card plate 21 and the limit hook 16 is adjusted at the same time. Displacement, pull the limit disk 18 upward, so that the bottom of the movable rod 17 and the bottom of the cross section above the limit hook 16 are on the same horizontal plane, at this time, the pin rod 20 is inserted into the upper cross section of the limit hook 16 in turn. In the movable insertion rod 17, the position of the movable insertion rod 17 can be limited and fixed.

In the present application, at this time, press down on the mounting seat 13 so that the mounting seat 13 is in contact with the top of the mounting plate 2 , and by rotating the mounting seat 13 , the limit clip plate 21 is snapped into the limit hook 16 , and the pin rod 20 is pulled out. At this time, under the action of the spring sleeve 19, the movable insertion rod 17 is inserted into the limit card plate 21 through the upper cross section of the limit hook 16 in turn, and the limit card plate 21 can be inserted into the limit card plate 21. Then, screw the mounting seat 13 on the ceiling by screwing the mounting seat 13 to the ceiling. At this time, turn on the automatic smoke alarm 1, so that the motor 10 also drives the fan blade 12 to rotate, and it can start normally. to the role of fire alarm.

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 shall be included in the present invention. within the scope of protection of the utility model.

Claims (6)

1. The utility model provides a fire control detects uses fire automatic alarm device, includes smog autoalarm (1), its characterized in that: the top of the smoke automatic alarm (1) is fixedly provided with an installation disc (2), the edge of the top of the installation disc (2) is provided with a positioning hole, a first magnet (3) is fixedly arranged in the positioning hole, a protective mesh enclosure (4) and a mounting ring (5) are sleeved on the smoke automatic alarm (1), and the mounting ring (5) is fixedly arranged at the top of the protective net cover (4), the position of the mounting ring (5) corresponding to the first magnet (3) is fixedly provided with a positioning column (6), a second magnet (7) is fixedly arranged at one end of the positioning column (6) corresponding to the first magnet (3), the positioning column (6) and the second magnet (7) are inserted into the positioning hole, and the second magnet (7) and the first magnet (3) are adsorbed together, and the second magnet (7) and the first magnet (3) are a group of magnets with opposite polarities.

2. A fire detection fire automatic alarm device as defined in claim 1, wherein: the outer wall of mounting disc (2) is pegged graft and is had locating lever (8), and inside locating lever (8) was pegged graft to reference column (6) the one end of relative mounting disc (2), the bottom fixed mounting of protection screen panel (4) has places ring (9), place the middle part of ring (9) and placed motor (10), and motor (10) are connected with smog autoalarm (1) through the wire and form the route.

3. A fire detection fire automatic alarm device as defined in claim 2, wherein: the fan is characterized in that the outer wall of the motor (10) is fixedly connected with one end of the connecting rod (11), the other end of the connecting rod (11) is fixedly connected to the inner wall of the placing ring (9), fan blades (12) are fixedly mounted on a rotating shaft of the motor (10), a mounting seat (13) is placed at the top of the mounting disc (2), and the mounting seat (13) is connected to a ceiling through screw threads.

4. A fire detection fire automatic alarm device as defined in claim 1, wherein: spacing hole has been seted up to mounting disc (2) top central point and put, and the inside bottom fixed mounting in spacing hole has spring (14), and mount pad (13) bottom and spring (14) relative position fixed mounting have spacing post (15), peg graft in spacing hole spacing post (15), and just laminating mutually in spacing post (15) and spring (14) top.

5. An automatic fire alarm device for fire detection as claimed in claim 4, wherein: the utility model discloses a spring support, including mounting disc (2), both sides top fixed mounting of mounting disc (2) has spacing colluding (16), spacing colluding (16) top cross section activity is pegged graft and is had activity inserted bar (17), activity inserted bar (17) top fixed mounting has spacing dish (18), spring housing (19) have been cup jointed on activity inserted bar (17), the one end fixed connection of spring housing (19) is in the bottom of spacing dish (18), and the other end fixed connection of spring housing (19) is at spacing colluding (16) top cross section top.

6. An automatic fire alarm device for fire detection as claimed in claim 5, wherein: spacing collude (16) top cross section antetheca and peg graft and have round pin pole (20), and round pin pole (20) are pegged graft inside movable inserted bar (17), the relative spacing fixed mounting who colludes (16) in mount pad (13) both sides has spacing cardboard (21), spacing cardboard (21) joint is in the inboard of spacing colluding (16), and the bottom of activity inserted bar (17) is pegged graft in spacing cardboard (21), when round pin pole (20) are pegged graft inside movable inserted bar (17), and the bottom of activity inserted bar (17) and spacing colluding (16) top cross section bottom be located same horizontal plane.

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