CN218384209U

CN218384209U - Automatic exhaust device for gas leakage

Info

Publication number: CN218384209U
Application number: CN202222580575.8U
Authority: CN
Inventors: 朱建忠; 朱鑫栋
Original assignee: Jingjiang Zhongnuo Ventilation Equipment Co ltd
Current assignee: Jingjiang Zhongnuo Ventilation Equipment Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-24
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to an air exhaust equipment technical field specifically is an automatic exhaust device is leaked in gas, including the exhaust fan, the preceding lateral wall fixedly connected with switch of exhaust fan, be provided with two conductor wires on the gas detection alarm, the preceding lateral wall fixedly connected with box body of exhaust fan, the utility model discloses can detect the alarm cooperation through setting up the gas, the warning light will light when the gas detection alarm detects the gas and reports to the police, will make the electro-magnet circular when the gas detection alarm warning light circular telegram, will promote magnet when electro-magnet magnetic force, will drive the metal piston downwardly moving position on the right through the push rod when magnet downwardly moving position, will drive connecting rod and ball downwardly moving position when metal piston downwardly moving position, the switch is opened to the ball that conveniently moves down, is convenient for switch start exhaust fan work, will accelerate the air exchange of workshop when exhaust fan work, reduces the concentration of workshop.

Description

Automatic exhaust device for gas leakage

Technical Field

The utility model relates to an exhaust equipment technical field specifically is an automatic exhaust device is leaked in gas.

Background

The exhaust fan is an air conditioning appliance which drives fan blades to rotate by a motor to drive airflow so as to exchange indoor air and outdoor air. Also known as a ventilating fan. The purpose of the exhaust air is to remove the dirty air from the room and to adjust the temperature, humidity and sensory effects. The exhaust fan is widely applied to families and public places.

Among the prior art, some kitchens or other factory buildings that the gas used more can be equipped with the exhaust fan specially, and the user can make these exhaust fans be in the off-state for a long time for practicing thrift the electric energy, though these places can be equipped with the gas detector and be used for detecting whether the gas leaks, but when the gas takes place to leak and siren warning personnel can't discover the very first time again at night, the gas concentration of workshop is comparatively extremely rised, can cause the explosion, for this reason, we propose a gas and leak automatic exhaust device and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic exhaust device is leaked in gas to solve the problem that proposes in the above-mentioned background art.

The technical scheme of the utility model is that: the utility model provides an automatic exhaust device is leaked in gas, includes the exhaust fan, the preceding lateral wall fixedly connected with switch of exhaust fan, the preceding lateral wall fixedly connected with gas detection alarm of exhaust fan, be provided with two conductor wires on the gas detection alarm, the preceding lateral wall fixedly connected with box body of exhaust fan, the inner wall fixedly connected with electro-magnet of box body, the first extension spring of inner wall fixedly connected with of box body, magnet has been placed to first extension spring's lower extreme, the lower fixed surface of magnet is connected with the connecting plate, the inner wall fixedly connected with magnet of box body, the square piece of inner wall fixedly connected with of box body, the air cavity that two symmetries set up is seted up to the lower surface of square piece, the air cavity is provided with metal piston, metal piston's lower extreme fixedly connected with connecting rod, the lower extreme of connecting rod runs through the inner wall of box body and extends to the outside, the lower extreme fixedly connected with ball of connecting rod is located the left side the upper end fixedly connected with push rod of metal piston, the upper end of push rod runs through the inner wall and connecting plate fixed connection of air cavity, set up the air channel with two intercommunications in the square piece, is located the right the upper end fixedly connected with second extension spring's upper end of metal piston.

Preferably, the inner wall of the air cavity positioned on the left side is fixedly connected with a sealing gasket, and the sealing gasket is abutted against the surface of the push rod.

Preferably, the exhaust fan is electrically connected with the switch.

Preferably, the upper ends of the two conducting wires are respectively and electrically connected with the positive and negative circuit pins of the alarm lamp of the gas detection alarm, and the lower ends of the two conducting wires are electrically connected with the electromagnet.

Preferably, the electromagnets are arranged in a strip shape, the electromagnets are arranged in a hollow shape, and the positive poles of the electromagnets correspond to the positive poles of the magnets.

Preferably, the ball is made of rubber, and the ball is located on the left side and abuts against the switch.

The utility model discloses an improve and provide an automatic exhaust device is leaked in gas here, compare with prior art, have following improvement and advantage:

one is as follows: the utility model discloses, through setting up the cooperation of gas detection alarm, the warning light will light when gas detection alarm detects the gas and reports to the police, will make the electro-magnet circular telegram when gas detection alarm warning light circular telegram, will promote magnet when electro-magnet magnetic force, will drive the metal piston downstream position on the right through the push rod when magnet downstream position, will drive connecting rod and ball downstream position when metal piston downstream position, the switch is opened to the ball of convenient downstream, be convenient for switch start exhaust fan work, the air exchange that will quicken the workshop when exhaust fan work, reduce the gas concentration of workshop.

And the second step is as follows: the utility model discloses, through setting up first extension spring cooperation air passage, first extension spring will pull back magnet when the electro-magnet outage, will drive metal piston upward movement position through the push rod when magnet upward movement position, the air that will the air cavity in the air cavity transports the air cavity on the right when metal piston upward movement position, will promote the metal piston on the right downwards when the air cavity air pressure grow on the right, will close the switch through the ball when the metal piston downward movement position on the right, the exhaust fan will close when the switch is closed.

Drawings

The invention is further explained below with reference to the figures and examples:

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

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic sectional view of the box body of the present invention.

Description of the reference numerals:

1. an exhaust fan; 2. a switch; 3. a gas detection alarm; 4. a box body; 5. an electromagnet; 6. a first extension spring; 7. a magnet; 8. a connecting plate; 9. a square block; 10. an air cavity; 11. a metal piston; 12. a connecting rod; 13. a ball; 14. a push rod; 15. an air passage; 16. a second extension spring; 17. a gasket; 31. a conductive wire.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. 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.

The utility model discloses an improve and provide an automatic exhaust device is leaked in gas here, the technical scheme of the utility model is:

as shown in fig. 1-3, an automatic exhaust device for gas leakage, including an exhaust fan 1, a front side wall fixedly connected with switch 2 of the exhaust fan 1, a front side wall fixedly connected with gas detection alarm 3 of the exhaust fan 1, two conductive wires 31 are arranged on the gas detection alarm 3, a front side wall fixedly connected with box body 4 of the exhaust fan 1, an inner wall fixedly connected with electromagnet 5 of the box body 4, an inner wall fixedly connected with first extension spring 6 of the box body 4, a magnet 7 is placed at a lower end of the first extension spring 6, a lower surface fixedly connected with connecting plate 8 of the magnet 7, an inner wall fixedly connected with magnet 7 of the box body 4, a square block 9 fixedly connected with an inner wall of the box body 4, two symmetrically arranged air cavities 10 are provided at a lower surface of the square block 9, the air cavities 10 are provided with metal pistons 11, a connecting rod 12 is fixedly connected with a lower end of the metal pistons 11, a lower end of the connecting rod 12 penetrates through an inner wall of the box body 4 and extends to the outside, a push rod 14 is fixedly connected with an upper end of the metal pistons 11 at the left side, an upper end of the push rod 14 penetrates through the air cavities 10 and is connected with a second extension spring 16, and a right side of the metal pistons 16 is connected with a right side of the extension spring.

Furthermore, a sealing gasket 17 is fixedly connected to the inner wall of the left air cavity 10, the sealing gasket 17 abuts against the surface of the push rod 14, and the sealing gasket 17 is arranged to have good sealing performance and prevent air leakage.

Furthermore, exhaust fan 1 and switch 2 electric connection make things convenient for switch 2 to open or close the exhaust fan.

Furthermore, the upper ends of the two conducting wires 31 are respectively electrically connected with the positive and negative circuit pins of the alarm lamp of the gas detection alarm 3, the lower ends of the two conducting wires 31 are electrically connected with the electromagnet 5, the electromagnet 5 can be electrified and generate magnetic force under the action of the conducting wires 31, and the purpose of guiding a power supply can be achieved.

Furthermore, the electromagnet 5 is arranged in a strip shape, the electromagnet 5 is arranged in a hollow shape, the positive pole of the electromagnet 5 corresponds to the positive pole of the magnet 7, and when the positive pole of the electromagnet 5 corresponds to the positive pole of the magnet 7, the electromagnet 5 moves the position of the magnet 7 outwards when being powered on, so that the repulsion effect can be achieved.

Furthermore, the ball 13 is made of rubber, the ball 13 on the left abuts against the switch 2, and the ball 13 is made of rubber, so that a good protection effect can be achieved, and the ball 13 is prevented from being in rigid contact with the switch 2.

The working principle is as follows: when the gas detection alarm device is used, firstly, the exhaust fan 1 is installed at an air outlet, when the gas detection alarm device 3 detects gas, an alarm lamp can light when the gas detection alarm device 3 gives an alarm, when the alarm lamp on the gas detection alarm device 3 lights, electricity can be supplied to the electromagnet 5 through the conducting wire 31, when the electromagnet 5 supplies electricity, magnetism can be conducted, the position of the magnet 7 can be moved downwards due to the fact that the positive pole of the electromagnet 5 corresponds to the positive pole of the magnet 7 and the magnetism of the electromagnet 5 is conducted, when the magnet 7 moves downwards, the metal piston 11 on the right side can be driven to move downwards through the push rod 14, when the magnet 7 moves downwards, the metal piston 11 on the right side can be driven to move downwards through the ball 13, the switch 2 can be conveniently opened by the ball 13 moving downwards, when the switch 2 starts the exhaust fan 1 to work, when the exhaust fan 1 works, the air exchange of a workshop can be accelerated, the gas concentration of the workshop can be reduced, when the electromagnet 5 powers off, the first stretching spring 6 can pull the magnet 7 back, when the magnet 7 moves upwards to drive the metal piston 11 on the right side to move upwards when the piston 11 moves upwards, the piston 11 can be conveniently, when the piston 10 moves downwards, the piston 10 can be driven to move downwards, and the piston 10 can be conveniently closed, when the metal piston 10 can be conveniently closed, when the piston 10 moves downwards, and the piston 10 can be conveniently closed.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an automatic exhaust device is leaked in gas, includes exhaust fan (1), its characterized in that: the exhaust fan comprises an exhaust fan (1), a switch (2) fixedly connected to the front side wall of the exhaust fan (1), a gas detection alarm (3) fixedly connected to the front side wall of the exhaust fan (1), two conductive wires (31) arranged on the gas detection alarm (3), a box body (4) fixedly connected to the front side wall of the exhaust fan (1), an electromagnet (5) fixedly connected to the inner wall of the box body (4), a first extension spring (6) fixedly connected to the inner wall of the box body (4), a magnet (7) fixedly connected to the lower end of the first extension spring (6), a connecting plate (8) fixedly connected to the lower surface of the magnet (7), a magnet (7) placed on the inner wall of the box body (4), a square block (9) fixedly connected to the inner wall of the box body (4), two air cavities (10) symmetrically arranged on the lower surface of the square block (9), a metal piston (11) arranged on the air cavity (10), a connecting rod (12) fixedly connected to the lower end of the metal piston (11), a push rod (14) fixedly connected to the upper end of the push rod (14), and a ball (14) fixedly connected to the upper end of the push rod (14) and a ball (14) fixedly connected to the inner wall of the piston (10) of the inner wall of the piston (14) 8) The air chambers are fixedly connected, an air channel (15) communicated with the two air chambers (10) is formed in the square block (9), a second extension spring (16) is fixedly connected to the upper end of the metal piston (11) positioned on the right side, and the upper end of the second extension spring (16) is fixedly connected with the inner walls of the air chambers (10).

2. The automatic exhaust device for gas leakage according to claim 1, characterized in that: the inner wall of the air cavity (10) positioned on the left side is fixedly connected with a sealing gasket (17), and the sealing gasket (17) is abutted against the surface of the push rod (14).

3. The automatic exhaust device for gas leakage according to claim 1, characterized in that: the exhaust fan (1) is electrically connected with the switch (2).

4. The automatic exhaust device for gas leakage according to claim 1, characterized in that: the upper ends of the two conducting wires (31) are respectively electrically connected with positive and negative circuit pins of an alarm lamp of the gas detection alarm (3), and the lower ends of the two conducting wires (31) are electrically connected with the electromagnet (5).

5. The automatic exhaust device for gas leakage according to claim 1, characterized in that: the electromagnet (5) is arranged in a strip shape, the electromagnet (5) is arranged in a hollow mode, and the positive pole of the electromagnet (5) corresponds to the positive pole of the magnet (7).

6. The automatic exhaust device for gas leakage according to claim 1, characterized in that: the round ball (13) is made of rubber materials, and the round ball (13) is located on the left side and is abutted against the switch (2).