CN219493775U

CN219493775U - Single-point type toxic and harmful gas alarm

Info

Publication number: CN219493775U
Application number: CN202320404206.5U
Authority: CN
Inventors: 于皓天; 孟凡来; 陆光杰; 刘立伟; 孟凡海; 李元涛
Original assignee: Shandong Xinlida Security Technology Co ltd
Current assignee: Shandong Xinlida Security Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-08
Anticipated expiration: 2033-03-07

Abstract

The utility model belongs to the technical field of gas alarms and discloses a single-point type toxic and harmful gas alarm which comprises an alarm main body, wherein a servo motor is arranged on one side of the alarm main body, an output shaft of the servo motor extends to the inside of the alarm main body through a coupler and is fixedly connected with a pinion, a group of large gears are meshed with the outer side of the pinion, a supporting shaft is fixedly connected to the inside of the large gears, and one end of the supporting shaft penetrates through and is rotatably connected to the outer side of the alarm main body. The utility model can be quickly assembled and disassembled without using external parts, has good installation effect, is convenient and quick, ensures that a gap exists between the alarm instrument and the wall body after the installation is finished, can reduce the infiltration of moisture in the wall body, simultaneously increases the gas flowing space outside the alarm instrument, is convenient for self heat dissipation and prolongs the service life of the self.

Description

Single-point type toxic and harmful gas alarm

Technical Field

The utility model relates to the technical field of gas alarms, in particular to a single-point type toxic and harmful gas alarm.

Background

The single-point wall-mounted gas detector controller is an industrial non-explosion-proof single-loop wall-mounted gas alarm controller, when detected gas leaks in air, the detector can detect the concentration of the leaked gas and convert the detected gas into corresponding electric signals, the corresponding electric signals are transmitted to the controller through a cable, the controller displays the field concentration of the detected gas after processing, when the concentration of the detected gas reaches or exceeds a set value, the controller emits sound, an optical alarm signal and outputs a relevant dynamic control signal, and a corresponding control device is started, so that major accidents are avoided, and major losses of life and property are reduced.

The existing single-point toxic and harmful gas alarm has the following defects in the installation and use processes:

1. the bolts are generally adopted for installation, external bolts are needed, a user is required to screw a plurality of bolts into the installation holes in sequence in the installation process, the installation is complicated, and the bolts are easy to rust and loosen in the later use process, so that the installation effect is affected;

2. the existing installation mode is that the back of the alarm instrument is always in contact with a wall body after installation, moisture is easy to permeate into the alarm instrument, heat dissipation of the alarm instrument is affected, and service life is affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a single-point toxic and harmful gas alarm instrument so as to overcome the defects of the background technology.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a poisonous and harmful gas alarm of single-point, includes the alarm main part, servo motor is installed to one side of alarm main part, servo motor's output shaft passes through the inside and fixedly connected with pinion that the shaft coupling extends to the alarm main part, the outside meshing of pinion has a set of gear wheel, the inside fixedly connected with back shaft of gear wheel, the one end of back shaft runs through and rotates and be connected to the outside of alarm main part, the outside cover of back shaft is equipped with rather than fixed connection's dysmorphism dish, the outside cover of back shaft is equipped with the installation tube, the one end fixed connection of installation tube is to the outside of alarm main part, the outside contact of dysmorphism dish has a set of touch-up lever, the one end of touch-up lever runs through and sliding connection is to the outside of installation tube.

As a further description of the above technical solution:

the middle part cover of contradicting the pole is equipped with the spring, the one end fixed connection of spring is to the inside of installation pipe, the other end fixed connection of spring is to the outside of contradicting the pole.

As a further description of the above technical solution:

one side of alarm instrument main part is provided with the heat dissipation grid, one side fixedly connected with of alarm instrument main part is a set of branch, the ball is installed to the one end of branch, the length of branch is less than the length of installation pipe.

As a further description of the above technical solution:

one end of the abutting rod is fixedly connected with a rubber head.

As a further description of the above technical solution:

the alarm device is characterized in that a control switch is embedded in the alarm device body, and a protective cover is hinged to the outer side of the alarm device body.

Compared with the prior art, the utility model has the advantages that:

(1) This scheme is when installing the alarm instrument main part, can align the mounting tube with the mounting hole of reservation and insert, make the alarm instrument main part temporarily articulate on the wall body through the mounting tube, until ball and the wall contact on the branch, then start servo motor operation, make it drive the pinion and take place to rotate, in its rotation in-process, the gear wheel will be driven, thereby make inside back shaft drive dysmorphism dish and rotate, at dysmorphism dish rotation in-process, its self protruding part will extrude the touch pole, make the touch pole outside motion, until with the rubber head on the touch pole with the inside in close contact of mounting hole, accomplish the installation promptly, convenient and fast just need not to use external part.

(2) After this scheme installation is accomplished, there is the clearance between wall body and the alarm instrument main part, and the clearance is the length of extension rod promptly, in the inside moisture infiltration alarm instrument main part of separation wall body of being convenient for, the gaseous back of leading out in the heat dissipation grid of being convenient for simultaneously carries out the quick flow along the alarm instrument main part outside, increases alarm instrument outside gas flow space, self heat dissipation of being convenient for, extension self life.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic front view of the structure of the large and small gears of the present utility model;

fig. 3 is an enlarged schematic view of a in fig. 2, which is a structural diagram of the present utility model.

The reference numerals in the figures illustrate:

1. an alarm main body; 2. a servo motor; 3. a pinion gear; 4. a large gear; 5. a support shaft; 6. a special-shaped disc; 7. installing a pipe; 8. a touch-up rod; 9. a spring; 10. a support rod; 11. a rubber head; 12. and controlling the switch.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1 to 3, in the utility model, a single-point toxic and harmful gas alarm device comprises an alarm device main body 1, wherein a servo motor 2 is installed on one side of the alarm device main body 1, an output shaft of the servo motor 2 extends to the inside of the alarm device main body 1 through a coupler and is fixedly connected with a pinion 3, a group of large gears 4 are meshed on the outer sides of the pinion 3, a supporting shaft 5 is fixedly connected to the inside of the large gears 4, one end of the supporting shaft 5 penetrates through and is rotatably connected to the outer side of the alarm device main body 1, a special-shaped disc 6 fixedly connected with the supporting shaft 5 is sleeved on the outer side of the supporting shaft 5, a mounting tube 7 is sleeved on the outer side of the supporting shaft 5, one end of the mounting tube 7 is fixedly connected to the outer side of the alarm device main body 1, a group of contact rods 8 are contacted on the outer side of the special-shaped disc 6, and one end of the contact rods 8 penetrates through and is slidingly connected to the outer side of the mounting tube 7.

One side of the alarm instrument main body 1 is provided with a heat radiation grille, one side of the alarm instrument main body 1 is fixedly connected with a group of supporting rods 10, one end of each supporting rod 10 is provided with a ball, and the length of each supporting rod 10 is smaller than that of the mounting tube 7

In the utility model, when the alarm main body 1 is installed, the installation pipe 7 and the reserved installation hole can be aligned and inserted, so that the alarm main body 1 is temporarily hung on a wall body through the installation pipe 7 until the balls on the supporting rods 10 are in contact with the wall surface, then the servo motor 2 is started to operate so as to drive the pinion 3 to rotate, in the rotating process of the servo motor, the large gear 4 is driven, the inner supporting shaft 5 drives the special-shaped disc 6 to rotate, in the rotating process of the special-shaped disc 6, the protruding part of the special-shaped disc presses the abutting rod 8, so that the abutting rod 8 moves outwards, at the moment, the alarm moves slightly, then the balls on the supporting rods 10 follow the moving condition balls on the wall surface until the rubber heads 11 on the abutting rod 8 are in close contact with the inside of the installation hole, and after the installation is completed, a gap exists between the wall body and the alarm main body 1, the gap is the length of the supporting rods 10, so that moisture inside the wall body is conveniently prevented from penetrating into the alarm main body 1, and gas in the heat dissipation grating is conveniently guided out and quickly flows away along the outer side of the alarm main body 1.

Please refer to fig. 1-3, wherein: the middle part cover of touching pole 8 is equipped with spring 9, and the one end fixed connection of spring 9 is to the inside of installation pipe 7, and the other end fixed connection of spring 9 is to the outside of touching pole 8.

According to the utility model, when the alarm main body 1 needs to be disassembled, the servo motor 2 can be started to rotate reversely, the special-shaped disc 6 is reset, then the abutting rod 8 is pulled to reset under the influence of the elastic force of the spring 9, so that the abutting rod is not abutted against the inside of the mounting hole, and then the alarm main body 1 can be directly taken down by a user.

Please refer to fig. 1-3, wherein: one end of the contact rod 8 is fixedly connected with a rubber head 11.

In the utility model, the rubber head 11 is adopted, so that the friction force between the rubber head and the inside of the mounting hole can be increased, and the mounting stability of the alarm main body 1 is improved.

Please refer to fig. 1, wherein: the control switch 12 is embedded in the alarm main body 1, and a protective cover is hinged to the outer side of the alarm main body 1.

In the utility model, a user can control the servo motor 2 by using the control switch 12, and the control switch 12 is protected by matching with the protection cover, so that the accidental touch phenomenon is reduced.

It should be noted that, the circuit connection relation of each device in the present application belongs to simple series connection and parallel connection circuits, and there is no innovation point in circuit connection, so that those skilled in the art can easily realize the circuit connection, and the circuit connection relation belongs to the prior art and is not repeated.

Working principle: the user can control the servo motor 2 by utilizing the control switch 12, and protect the control switch 12 by matching with the protection cover, so as to reduce the accidental touch phenomenon, when the alarm main body 1 is installed, the installation pipe 7 can be aligned and inserted with the reserved installation hole, so that the alarm main body 1 is temporarily hung on the wall body through the installation pipe 7 until the ball on the supporting rod 10 contacts with the wall surface, then the servo motor 2 is started to operate, so that the pinion 3 is driven to rotate, the large gear 4 is driven in the rotating process, the internal supporting shaft 5 drives the special-shaped disc 6 to rotate, the self-protruding part of the special-shaped disc 6 extrudes the contact rod 8, the contact rod 8 moves outwards, and at the moment, the alarm generates small-amplitude motion, then the ball on the supporting rod 10 follows the moving condition ball on the wall surface until the ball is in close contact with the rubber head 11 on the contact rod 8 and the inside of the mounting hole, namely, the mounting is completed, after the mounting is completed, a gap exists between the wall body and the alarm main body 1, the gap is the length of the supporting rod 10, moisture in the wall body is conveniently prevented from penetrating into the alarm main body 1, meanwhile, the gas in the heat radiation grating is conveniently led out and quickly flows away along the outer side of the alarm main body 1, when the alarm main body 1 needs to be dismounted, the servo motor 2 can be started to reversely rotate, and the special-shaped disc 6 is reset, and then the contact rod 8 is pulled to reset by the influence of the elasticity of the spring 9, so that the contact rod 8 is not in contact with the inside of the mounting hole, and then the alarm main body 1 can be directly taken down by a user;

the whole device can be quickly installed and disassembled without using external parts, has good installation effect, is convenient and quick, ensures that a gap exists between the alarm instrument and the wall body after the installation is completed, can reduce the infiltration of moisture in the wall body, simultaneously increases the gas flowing space outside the alarm instrument main body 1, facilitates self heat dissipation and prolongs the service life of the self.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a single-point poisonous and harmful gas alarm, includes alarm main part (1), its characterized in that: the utility model discloses a warning instrument, including alarm instrument main part (1), servo motor (2) are installed to one side of alarm instrument main part (1), the output shaft of servo motor (2) extends to the inside of alarm instrument main part (1) and fixedly connected with pinion (3) through the shaft coupling, the outside meshing of pinion (3) has a set of gear wheel (4), the inside fixedly connected with back shaft (5) of gear wheel (4), the one end of back shaft (5) runs through and rotates and be connected to the outside of alarm instrument main part (1), the outside cover of back shaft (5) is equipped with special-shaped dish (6) rather than fixed connection, the outside cover of back shaft (5) is equipped with mounting tube (7), the outside contact of one end fixedly connected with alarm instrument main part (1) of mounting tube (7) has a set of conflict pole (8), the outside of the one end of conflict pole (8) runs through and sliding connection to mounting tube (7).

2. The single point toxic and hazardous gas alarm as set forth in claim 1, wherein: the middle part cover of contradicting pole (8) is equipped with spring (9), the inside of one end fixed connection to installation pipe (7) of spring (9), the outside of the other end fixed connection to contradicting pole (8) of spring (9).

3. The single point toxic and hazardous gas alarm as set forth in claim 1, wherein: one side of alarm instrument main part (1) is provided with the heat dissipation grid, one side fixedly connected with of alarm instrument main part (1) a set of branch (10), the ball is installed to the one end of branch (10), the length of branch (10) is less than the length of installation pipe (7).

4. The single point toxic and hazardous gas alarm as set forth in claim 1, wherein: one end of the abutting rod (8) is fixedly connected with a rubber head (11).

5. The single point toxic and hazardous gas alarm as set forth in claim 1, wherein: the alarm device is characterized in that a control switch (12) is embedded in the alarm device body (1), and a protective cover is hinged to the outer side of the alarm device body (1).