CN214098633U

CN214098633U - Smoke alarm with anti-drop structure

Info

Publication number: CN214098633U
Application number: CN202120259834.XU
Authority: CN
Inventors: 胡蓉
Original assignee: Jiangxi Zhongkeguan Internet Of Things Technology Co ltd
Current assignee: Jiangxi Zhongkeguan Internet Of Things Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-08-31
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a smoke alarm with anti-drop structure, including connecting shell, motor and fixed block, the motor is installed to the bottom of connecting the shell, and the output of motor is fixed mutually with the top of carousel, clean pole is installed at the left upper and lower both ends of carousel, the one end of restriction pole stretches into the inside of fixed block. This smoke alarm with anti-drop structure is provided with the restriction pole, through rotating the worm, and then it is rotatory to drive the worm wheel, because the outside that the connection shell was stretched out through the shifting chute to the one end of restriction pole, thereby the slider that restriction pole bottom was fixed will slide in the inside of spout, and then make the one end of restriction pole stretch out the outside of fixed block, thereby the rotation through the worm, the maintenance is dismantled to the device to the convenience, and then prevent that the device from taking place the obscission after installing, reached anti-drop and conveniently dismantled the purpose of maintenance through the above setting.

Description

Smoke alarm with anti-drop structure

Technical Field

The utility model relates to a smoke alarm technical field specifically is a smoke alarm with anti-drop structure.

Background

The smoke alarm is a device capable of effectively warning fire, generally, the smoke alarm is installed in places with wide artificial activities, such as markets, houses and the like, the types of the smoke alarms in the market are many, but the smoke alarm has some defects, and therefore people hope to improve the smoke alarm in the market through innovation;

(1) in the use process of the smoke alarm in the market, the smoke alarm is usually fixed at the top of a wall body, but the smoke alarm is easy to fall off in the fixing mode, and the smoke alarm is inconvenient to disassemble and maintain;

(2) in the process of using the smoke alarm in the market, certain dust can be generated outside the smoke alarm, workers cannot conveniently clean the smoke alarm fixed on the top of a wall, and ventilation and moisture prevention are performed on the device.

Therefore, the smoke alarm with the anti-falling structure can well solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a smoke alarm with anti-drop structure to solve the smoke alarm on the existing market that above-mentioned background art provided and fix at the top of wall body, but this kind of fixed mode takes place to break away from easily, and inconvenient dismantlement maintenance and the inconvenient smoke alarm who fixes on the wall crown of staff to smoke alarm, and inconvenient carry out the dampproofing problem of ventilating to the device.

In order to achieve the above object, the utility model provides a following technical scheme: a smoke alarm with an anti-falling structure comprises a connecting shell, a motor and a fixed block, wherein the motor is installed at the bottom of the connecting shell, the output end of the motor is fixed with the top of a rotary disc, cleaning rods are installed at the upper end and the lower end of the left side of the rotary disc, first ventilation openings are formed in the upper end and the lower end of the right side of the rotary disc, a second ventilation opening is formed in the bottom end of the right side of the connecting shell, a smoke alarm device is connected to the bottom of the rotary disc, a cavity is formed in the top of the connecting shell, a worm is arranged inside the cavity, a worm wheel is connected to one side of the worm, the inner side of the worm wheel is fixed to the outer side of a connecting rod, the two ends of the connecting rod are fixed to the inner wall of the cavity through bearings, a sliding groove is formed in the top of the worm wheel, a sliding block is arranged inside the sliding groove, the top of the sliding block is fixed to the bottom of a limiting rod, and a moving groove is formed in the top of the connecting shell, the one end of restriction pole stretches out the outside of connecting the shell through the shifting chute, the fixed block sets up the top at the connecting shell, the one end of restriction pole stretches into the inside of fixed block.

Preferably, the outer wall of the bottom end of the connecting shell is attached to the inner wall of the rotary table, and the rotary table and the cleaning rod are of an integrated structure.

Preferably, the third ventilation opening formed in the right side of the smoke alarm device has the same size as the second ventilation opening, and the bottom of the smoke alarm device has the same size as the top of the connecting shell.

Preferably, the worm is in meshed connection with the worm wheel, and the diameter of the worm wheel is smaller than the length of the cavity.

Preferably, the slider is in a shape of a T, and the slider forms a sliding structure with the worm wheel through the sliding groove.

Preferably, the moving grooves are arranged in four groups at equal angles with respect to the circle center of the connecting shell, and a clamping structure is formed between a limiting rod arranged in the moving groove and the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that: the smoke alarm with the anti-falling structure;

(1) the limiting rod is arranged, the worm is rotated to drive the worm wheel to rotate, one end of the limiting rod extends out of the outer side of the connecting shell through the moving groove, so that a sliding block fixed at the bottom of the limiting rod can slide in the sliding groove, one end of the limiting rod extends out of the outer side of the fixing block, the device is convenient to disassemble and maintain through rotation of the worm, when the device is installed, the limiting rod and the fixing block are in a clamping structure, the device is prevented from falling off after being installed, and the purposes of preventing falling off and facilitating disassembly and maintenance are achieved through the arrangement;

(2) be provided with clean pole, through starter motor, and then make the motor drive the carousel and rotate to will make the clean pole of carousel one side clean the outside of connecting shell and smog alarm device, through starter motor, can align the first vent of seting up carousel one side with second vent and second vent respectively, through above setting, and then can reach and clean and ventilate damp-proofing purpose to the device.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the turntable and the cleaning rod of the present invention;

FIG. 3 is an enlarged schematic view of a portion of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the worm and worm wheel of the present invention;

fig. 5 is a schematic top view of the connecting shell of the present invention;

fig. 6 is an enlarged schematic view of the structure at b in fig. 1 according to the present invention.

In the figure: 1. a connecting shell; 2. a motor; 3. a turntable; 4. a cleaning rod; 5. a first vent; 6. a second vent; 7. a smoke alarm device; 701. a third vent; 8. a cavity; 9. a worm; 10. a worm gear; 11. a connecting rod; 12. a chute; 13. a slider; 14. a restraining bar; 15. a moving groove; 16. and (5) fixing blocks.

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. 1-6, the present invention provides a technical solution: a smoke alarm with an anti-falling structure comprises a connecting shell 1, a motor 2, a rotary table 3, a cleaning rod 4, a first vent 5, a second vent 6, a smoke alarm device 7, a third vent 701, a cavity 8, a worm 9, a worm wheel 10, a connecting rod 11, a sliding chute 12, a sliding block 13, a limiting rod 14, a moving chute 15 and a fixing block 16, wherein the motor 2 is installed at the bottom of the connecting shell 1, the output end of the motor 2 is fixed with the top of the rotary table 3, the cleaning rod 4 is installed at the upper end and the lower end of the left side of the rotary table 3, the first vent 5 is respectively installed at the upper end and the lower end of the right side of the rotary table 3, the second vent 6 is installed at the bottom of the right side of the connecting shell 1, the smoke alarm device 7 is connected at the bottom of the rotary table 3, the cavity 8 is installed at the top of the connecting shell 1, the worm 9 is arranged inside the cavity 8, one side of the worm wheel 10 is connected with the worm wheel 10, the inner side of the worm wheel 10 is fixed at the outer side of the connecting rod 11, and the both ends of connecting rod 11 are passed through the bearing and are fixed at the inner wall of cavity 8, and spout 12 has been seted up at the top of worm wheel 10, and the inside of spout 12 is provided with slider 13, and the bottom at limit rod 14 is fixed at the top of slider 13, and moving groove 15 has been seted up at the top of connecting shell 1, and the one end of limit rod 14 is passed through moving groove 15 and is stretched out the outside of connecting shell 1, and fixed block 16 sets up at the top of connecting shell 1, and the one end of limit rod 14 stretches into the inside of fixed block 16.

The outer wall of connecting shell 1 bottom laminates with the inner wall of carousel 3 mutually, and carousel 3 and clean pole 4 between the integrated structure, through this set up more convenient clean the outside of smog alarm device 7 with connecting shell 1.

The size of the third ventilation opening 701 that smoke alarm device 7 right side was seted up is the same with the size of second ventilation opening 6, and the size of smoke alarm device 7 bottom equals with the size at connecting shell 1 top, and then conveniently makes third ventilation opening 701 and second ventilation opening 6 align with first ventilation opening 5 through the rotation of motor 2 to the convenience is ventilated and is dampproofing to this smoke alarm inside.

For the meshing connection between worm 9 and the worm wheel 10, and the diameter of worm wheel 10 is less than the length of cavity 8, through the rotation of worm 9, and then drives worm wheel 10 and rotate in the inside of cavity 8, and then drives restriction pole 14 and rotate to the convenience is dismantled and is maintained this smoke alarm.

The shape of slider 13 is "T" word shape, and slider 13 constitutes sliding structure through between spout 12 and the worm wheel 10 to make slider 13 can stabilize and slide in the inside of spout 12, make slider 13 drive and restrict pole 14 and move.

Four sets of moving grooves 15 are arranged at equal angles with respect to the center of the connecting shell 1, and a clamping structure is formed between a limiting rod 14 arranged in the moving groove 15 and a fixed block 16, so that the device is more stably prevented from falling through the clamping structure between the limiting rod 14 and the fixed block 16.

The working principle is as follows: when the smoke alarm with the anti-falling structure is used, firstly, the smoke alarm with the anti-falling structure is placed at a designated position, and then when the smoke alarm needs to be disassembled and maintained, with reference to the attached drawings 1 and 4-6, firstly, the worm 9 is rotated to drive the worm wheel 10 to rotate, the top of the worm wheel 10 is provided with the chute 12, the inside of the chute 12 is provided with the slider 13, the top of the slider 13 is fixed with the limiting rod 14, the top end of the limiting rod 14 extends out of the top of the connecting shell 1 through the moving groove 15, further, in the process of rotating the worm 9, the limiting rod 14 moves inside the moving groove 15, further, the limiting rod 14 is separated from the inside of the fixing block 16, further, the smoke alarm is convenient to detect and maintain, in the process of installation, by rotating the worm 9, the operation is carried out, so that one end of the limiting rod 14 extends into the fixed block 16 fixed on the top of the wall, and the smoke alarm is prevented from falling off after being installed;

when the outside of the device needs to be cleaned, with reference to fig. 1-3, firstly, the motor 2 is started (the motor 2 can be controlled remotely), so that the output end of the motor 2 drives the turntable 3 to rotate, and the cleaning rod 4 on the left side of the turntable 3 rotationally cleans the outside of the smoke alarm device 7 and the connecting shell 1, so as to clean the smoke alarm device, after the cleaning is finished, the first ventilation opening 5 on the right side of the turntable 3 can be aligned with the second ventilation opening 6 and the third ventilation opening 701, so as to achieve the purpose of ventilation and moisture resistance (when the weather is wet, the first ventilation opening 5 can be no longer aligned with the second ventilation opening 6 and the third ventilation opening 701 through the motor 2, so as to prevent the internal electrical components from being wetted).

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a smoke alarm with anti-drop structure, is including connecting shell (1), motor (2) and fixed block (16), its characterized in that: the motor (2) is installed at the bottom of the connecting shell (1), the output end of the motor (2) is fixed with the top of the rotary table (3), the cleaning rods (4) are installed at the upper end and the lower end of the left side of the rotary table (3), the first ventilation openings (5) are formed in the upper end and the lower end of the right side of the rotary table (3), the second ventilation opening (6) is formed in the bottom end of the right side of the connecting shell (1), the bottom of the rotary table (3) is connected with the smoke alarm device (7), the top of the connecting shell (1) is provided with the cavity (8), the worm (9) is arranged inside the cavity (8), one side of the worm (9) is connected with the worm wheel (10), the inner side of the worm wheel (10) is fixed on the outer side of the connecting rod (11), the two ends of the connecting rod (11) are fixed on the inner wall of the cavity (8) through bearings, the top of the worm wheel (10) is provided with the sliding groove (12), and the inside of spout (12) is provided with slider (13), the bottom at limit lever (14) is fixed at the top of slider (13), shifting chute (15) have been seted up at the top of connecting shell (1), the outside that connecting shell (1) was stretched out through shifting chute (15) to the one end of limit lever (14), fixed block (16) set up the top at connecting shell (1), the inside of fixed block (16) is stretched into to the one end of limit lever (14).

2. A smoke alarm with a dropout prevention means according to claim 1, wherein: the outer wall of the bottom end of the connecting shell (1) is attached to the inner wall of the rotary table (3), and the rotary table (3) and the cleaning rod (4) are of an integrated structure.

3. A smoke alarm with a dropout prevention means according to claim 1, wherein: the size of a third ventilation opening (701) formed in the right side of the smoke alarm device (7) is the same as that of the second ventilation opening (6), and the size of the bottom of the smoke alarm device (7) is equal to that of the top of the connecting shell (1).

4. A smoke alarm with a dropout prevention means according to claim 1, wherein: the worm (9) is in meshed connection with the worm wheel (10), and the diameter of the worm wheel (10) is smaller than the length of the cavity (8).

5. A smoke alarm with a dropout prevention means according to claim 1, wherein: the slide block (13) is in a T shape, and the slide block (13) and the worm wheel (10) form a sliding structure through the sliding groove (12).

6. A smoke alarm with a dropout prevention means according to claim 1, wherein: four groups of moving grooves (15) are arranged at equal angles relative to the circle center of the connecting shell (1), and a clamping structure is formed between a limiting rod (14) arranged in each moving groove (15) and a fixing block (16).