CN213634776U

CN213634776U - Electrical fire alarm

Info

Publication number: CN213634776U
Application number: CN202022970003.1U
Authority: CN
Inventors: 卢荣君
Original assignee: Xi'an Guchi Electronic Technology Co ltd
Current assignee: Xi'an Guchi Electronic Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-07-06
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses an electric fire alarm relates to fire alarm technical field, including hollow box, the radiator-grid has been seted up to hollow box's top central authorities, and the top both sides of hollow box are fixed with the cylinder, the inside swing joint of cylinder has the piston, and the top swing joint of cylinder has the sucking disc, the outside welding of cylinder has the connecting rod, the bottom of piston is connected with the transfer line, and the gear is installed to the both sides of transfer line. The utility model discloses in, be provided with the sucking disc, cylinder and piston, rotate the carousel, the carousel passes through the connecting axle and drives the worm rotation, and then drive gear revolve, the gear drives the piston downstream through meshing with the transfer line, the inside top volume of cylinder increases, pressure reduces, under the effect of atmospheric pressure, the air in the sucking disc flows the inside of cylinder, and then forms the negative pressure in the inside of sucking disc, this can fix the device on comparatively glossy roof effectively, and need not to destroy the structure on roof.

Description

Electrical fire alarm

Technical Field

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

Background

With the development of scientific technology and the progress of times, more and more electrical equipment is provided, and in modern urban families, many people cause fire accidents because of not knowing the common knowledge of household power consumption safety, so that good-end happy families are destroyed once, and some people are killed, and the electric fire alarm has practical significance for preventing household fire and reducing fire loss, thereby providing an electric fire alarm.

The prior art has the following problems: 1. when the existing electric fire alarm is fixed on a smooth roof, the structure of the roof can be damaged by drilling holes; 2. after the temperature of the existing electric fire alarm rises, internal components are easy to damage at high temperature.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an electric fire alarm.

In order to achieve the above object, the utility model provides a following technical scheme:

an electric fire alarm comprises a hollow box body, wherein a heat dissipation net is arranged in the center of the top of the hollow box body, air cylinders are fixed on two sides of the top of the hollow box body, a piston is movably connected inside the air cylinders, a sucker is movably connected on the top of the air cylinder, a connecting rod is welded outside the air cylinders, the bottom of the piston is connected with a transmission rod, gears are arranged on two sides of the transmission rod, a worm is arranged below the gears in a matched mode, a connecting shaft is connected to the right side of the outside of the worm, a guide ring is sleeved outside the connecting shaft, a fixing column is connected between the guide ring and the hollow box body, a liquid injection port is formed in the right side of the top of the hollow box body, a camera lens is movably connected below the hollow box body, the top of the camera lens is connected with a rotating shaft, the, and a buzzer is arranged below the right side of the lamp strip, the tail end of the connecting shaft is connected with a rotary table, a lock rod penetrates through the inside of the rotary table, a spring is connected between the lock rod and the rotary table, and a lock block is fixed on the left side of the outside of the hollow box body.

Preferably, the sucking disc is in threaded connection with the cylinder, and a sealing ring is sleeved at the joint of the sucking disc and the cylinder.

Preferably, the outer wall of the piston is tightly attached to the inner wall of the cylinder, and the two groups of cylinders are symmetrically distributed on the central axis of the hollow box body.

Preferably, the worm and the gear are in meshing transmission, and the piston and the hollow box body form a lifting structure through the gear and the transmission rod.

Preferably, the lamp strip is annularly distributed in the center of the bottom surface of the hollow box body, and a rotating structure is formed between the camera lens and the electric motor through a rotating shaft.

Preferably, the lock rod is in sliding connection with the rotary disc, and the lock rod and the rotary disc form an elastic structure through a spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, be provided with the sucking disc, cylinder and piston, rotate the carousel, the carousel passes through the connecting axle and drives the worm rotation, and then drive gear revolve, the gear drives the piston downstream through meshing with the transfer line, the inside top volume of cylinder increases, pressure reduces, under the effect of atmospheric pressure, the air in the sucking disc flows the inside of cylinder, and then forms the negative pressure in the inside of sucking disc, this can fix the device on comparatively glossy roof effectively, and need not to destroy the structure on roof.

2. The utility model discloses in, be provided with hollow box and annotate the liquid mouth, hollow box helps the weight that alleviates the device, through annotating the liquid mouth and pouring into insulating liquid toward hollow box's space department, too high as ambient temperature, the specific heat capacity of the insulating liquid of hollow box's clearance department is great, can absorb more heat, and then can slow down rising of hollow box temperature, this can avoid internals to receive high temperature and damage.

3. The utility model discloses in, be provided with carousel, locking lever, spring and locking piece, ensure to remove and act on behind the external force of locking lever left end, the locking lever can move right under the effect of spring force, and then can fix the carousel with the locking piece cooperation, avoid the carousel to receive external vibrations and rotate, make piston upward movement, cause the inside backpressure of sucking disc, make the device drop.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom structure of the hollow box of the present invention;

FIG. 3 is a schematic view of the top surface of the hollow box body of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a connecting rod; 2. a suction cup; 3. a cylinder; 4. a piston; 5. a liquid injection port; 6. a hollow box body; 7. a connecting shaft; 8. fixing a column; 9. a worm; 10. a camera lens; 11. a rotating shaft; 12. an electric motor; 13. a gear; 14. a turntable; 15. a guide ring; 16. a transmission rod; 17. a light strip; 18. a heat-dissipating web; 19. a buzzer; 20. a spring; 21. a locking block; 22. a locking bar.

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. 1-4, the present invention provides the following technical solutions:

an electrical fire alarm comprises a connecting rod 1, a sucker 2, a cylinder 3, a piston 4, a liquid injection port 5, a hollow box 6, a connecting shaft 7, a fixing column 8, a worm 9, a camera lens 10, a rotating shaft 11, an electric motor 12, a gear 13, a rotary table 14, a guide ring 15, a transmission rod 16, a lamp strip 17, a radiating net 18, a buzzer 19, a spring 20, a locking block 21 and a locking rod 22, wherein the radiating net 18 is arranged in the center of the top of the hollow box 6, the cylinder 3 is fixed on two sides of the top of the hollow box 6, the piston 4 is movably connected inside the cylinder 3, the sucker 2 is movably connected to the top of the cylinder 3, the connecting rod 1 is welded outside the cylinder 3, the transmission rod 16 is connected to the bottom of the piston 4, the gear 13 is installed on two sides of the transmission rod 16, the worm 9 is installed below the gear 13 in a matched manner, the connecting shaft 7 is, and be connected with fixed column 8 between guide ring 15 and the hollow box 6, the top right side of hollow box 6 is provided with annotates liquid mouth 5, and the below swing joint of hollow box 6 has camera lens 10, camera lens 10's top is connected with pivot 11, and the top of pivot 11 is connected with electric motor 12, lamp area 17 is installed to the bottom surface central authorities of hollow box 6, and buzzer 19 has been installed to the right side below of lamp area 17, the end-to-end connection of connecting axle 7 has carousel 14, the inside of carousel 14 has run through locking lever 22, and be connected with spring 20 between locking lever 22 and the carousel 14, the outside left side of hollow box 6 is fixed with locking piece 21.

As shown in fig. 1 and 3, the suction cup 2 is in threaded connection with the cylinder 3, a sealing ring is sleeved at the joint of the suction cup 2 and the cylinder 3, the suction cup 2 and the cylinder 3 are connected and separated conveniently through threaded connection, the threaded connection is good in air tightness, the sealing ring is sleeved at the joint of the suction cup 2 and the cylinder 3, the air tightness between the suction cup 2 and the cylinder 3 can be improved, and gas is prevented from overflowing from the joint of the suction cup 2 and the cylinder 3.

As shown in fig. 1, the outer wall of the piston 4 is tightly attached to the inner wall of the cylinder 3, two groups of cylinders 3 are symmetrically distributed about the central axis of the hollow box 6, the tight attachment ensures the stability of the piston 4 in the up-and-down moving process, and two groups of cylinders 3 are symmetrically distributed about the central axis of the hollow box 6, which is helpful for improving the stability of the device installation.

As shown in fig. 1, the worm 9 and the gear 13 are in meshing transmission, the piston 4 and the hollow box 6 form a lifting structure through the gear 13 and the transmission rod 16, the meshing transmission structure is simple, the transmission is stable, and the lifting structure ensures that the transmission rod 16 can drive the piston 4 to move up and down, so that air in the suction cup 2 can be pumped out.

As shown in fig. 2, the lamp strip 17 is annularly distributed in the center of the bottom surface of the hollow box 6, a rotary structure is formed between the camera lens 10 and the electric motor 12 through the rotating shaft 11, the annular shape can reduce the size of the lamp strip 17 to the maximum extent without affecting the illumination degree of the lamp strip 17, resources are saved, and the rotary structure ensures that the electric motor 12 can drive the camera lens 10 to rotate through the rotating shaft 11.

As shown in fig. 4, the lock lever 22 is slidably connected to the rotary disk 14, and the lock lever 22 and the rotary disk 14 form an elastic structure through the spring 20, the sliding connection ensures that the lock lever 22 can move left and right inside the rotary disk 14, and the elastic structure ensures that the lock lever 22 can move right under the elastic force of the spring 20 after the external force acting on the left end of the lock lever 22 is removed, and then can cooperate with the lock block 21 to fix the rotary disk 14.

The utility model discloses a theory of operation and use flow: when in use, firstly, insulating liquid is injected into a gap of the hollow box body 6 through the liquid injection port 5, the sucker 2 is tightly attached to the roof, the lock rod 22 is pulled outwards, the rotary disc 14 is rotated, the rotary disc 14 drives the worm 9 to rotate through the connecting shaft 7, further, the gear 13 is driven to rotate, the gear 13 drives the piston 4 to move downwards through being meshed with the transmission rod 16, the upper internal volume of the cylinder 3 is increased, the pressure intensity is reduced, air in the sucker 2 flows into the cylinder 3 under the action of atmospheric pressure, further, the device is fixed through the sucker 2, after external force acting on the lock rod 22 is removed, the lock rod 22 can move under the action of the elastic force of the spring 20, further, the rotary disc 14 is fixed through being matched with the lock block 21, the electric motor 12 (model: YS-37GB520) is started, the electric motor 12 drives the camera lens 10 to rotate through the rotating shaft 11, and the, when a fire occurs, the light strip 17 will flash and the buzzer 19 will give an alarm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric fire alarm, includes hollow box (6), its characterized in that: the heat dissipation net (18) is arranged in the center of the top of the hollow box body (6), the cylinders (3) are fixed on two sides of the top of the hollow box body (6), the pistons (4) are movably connected inside the cylinders (3), the suckers (2) are movably connected on the top of the cylinders (3), the connecting rod (1) is welded outside the cylinders (3), the transmission rod (16) is connected to the bottom of the pistons (4), the gears (13) are installed on two sides of the transmission rod (16), the worm (9) is installed below the gears (13) in a matched mode, the connecting shaft (7) is connected to the right side of the outside of the worm (9), the guide ring (15) is sleeved outside the connecting shaft (7), the fixing column (8) is connected between the guide ring (15) and the hollow box body (6), and the liquid injection port (5) is formed in the right side of, and the below swing joint of hollow box (6) has camera lens (10), the top of camera lens (10) is connected with pivot (11), and the top of pivot (11) is connected with electric motor (12), lamp area (17) are installed to the bottom surface central authorities of hollow box (6), and buzzer (19) have been installed to the right side below of lamp area (17), the end-to-end connection of connecting axle (7) has carousel (14), the inside of carousel (14) has run through locking lever (22), and is connected with spring (20) between locking lever (22) and carousel (14), the outside left side of hollow box (6) is fixed with locking piece (21).

2. An electrical fire alarm according to claim 1 wherein: the sucker (2) is in threaded connection with the cylinder (3), and a sealing ring is sleeved at the joint of the sucker (2) and the cylinder (3).

3. An electrical fire alarm according to claim 1 wherein: the outer wall of the piston (4) is tightly attached to the inner wall of the cylinder (3), and the two groups of cylinders (3) are symmetrically distributed about the central axis of the hollow box body (6).

4. An electrical fire alarm according to claim 1 wherein: the worm (9) and the gear (13) are in meshing transmission, and the piston (4) and the hollow box body (6) form a lifting structure through the gear (13) and the transmission rod (16).

5. An electrical fire alarm according to claim 1 wherein: the lamp strip (17) is annularly distributed in the center of the bottom surface of the hollow box body (6), and a rotating structure is formed between the camera lens (10) and the electric motor (12) through a rotating shaft (11).

6. An electrical fire alarm according to claim 1 wherein: the lock rod (22) is in sliding connection with the rotary disk (14), and the lock rod (22) and the rotary disk (14) form an elastic structure through a spring (20).