CN211343684U

CN211343684U - Combustible gas detector

Info

Publication number: CN211343684U
Application number: CN201922447536.9U
Authority: CN
Inventors: 冉鸿
Original assignee: Chongqing Meizhuo Technology Co ltd
Current assignee: Chongqing Meizhuo Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-25
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to the technical field of detectors and discloses a combustible gas detector, which comprises a detector body and a supporting plate connected with the detector body, wherein four corners on the supporting plate are connected with four fixing mechanisms in a matrix manner; fixing mechanism includes the sucking disc, the air duct, the air guide groove, the sealing ring, a piston, baffle and guide arm, the one end of detector body is kept away from in the backup pad to sucking disc fixed connection, the one end that the backup pad is close to the detector body is seted up to the position that the air guide groove corresponds the detector body, the one end intercommunication of air duct is at the tank bottom in air guide groove, the other end of air duct runs through backup pad and sucking disc in proper order and extends to the sucking disc, sealing ring fixed connection is on the inner tube wall of air duct, the one end mouth of pipe in air guide groove is kept away from in the baffle setting, the one end. The utility model discloses light convenience takes off the backup pad of connecting the detector body from the installation face.

Description

Combustible gas detector

Technical Field

The utility model relates to a detector technical field especially relates to a combustible gas detector.

Background

The gas-sensitive element (also called as gas sensor) used in civil combustible gas detector (commonly called alarm) for detecting natural gas leakage in family is mainly composed of two sensors with measuring principle. One is catalytic combustion type, the other is semiconductor type (semiconductor type includes semiconductor heating type and normal temperature semiconductor two branches), the combustible gas detector in the prior art is fixed in a household room through nails or movable adhesives, nail holes can be left on a wall body through the fixation of the nails to influence the attractiveness of the cavity, and the wall is inconvenient to clean through the adhesives.

The patent that is CN208313925U at chinese patent application number discloses a combustible gas detector, when using, install sealing device at outlet channel's open end, it is sealed to make outlet channel, then adsorb the sucking disc on the wall of required installation detector body, this moment make the sucking disc adsorb on the wall because the effort of vacuum makes the sucking disc fix on the wall, make detector body fixed when needs take off detector body, take off sealing device, outlet channel and external intercommunication this moment, make external gas enter into in the air duct by outlet channel, enter into corresponding sucking disc by the air duct at last, thereby make the sucking disc open, make the detector body take off by the wall, simple to operate also can not leave any vestige on the wall. This technique also has the following disadvantages:

the sealing device is inconvenient to ventilate in the sucker, so that the sucker is not convenient to break away from the wall, and the detector body is inconvenient to take down from the wall.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior art in that sealing device is inconvenient ventilates in to the sucking disc to lead to the sucking disc not convenient for break away from the wall, thereby lead to inconvenient problem of taking off the detector body by the wall body, and the combustible gas detector who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combustible gas detector comprises a detector body and a supporting plate connected with the detector body, wherein four corners on the supporting plate are connected with four fixing mechanisms in a matrix manner;

fixing mechanism includes sucking disc, air duct, air guide groove, sealing ring, piston, baffle and guide arm, the one end of detector body is kept away from in the backup pad to sucking disc fixed connection, the one end that the detector body is close to in the backup pad is seted up to the position that the air guide groove corresponds the detector body, the tank bottom of air guide groove is being led in the one end intercommunication of air guide, the other end of air guide pipe runs through backup pad and sucking disc in proper order and extends to the sucking disc, sealing ring fixed connection is on the inner tube wall of air guide pipe, the one end mouth of pipe in air guide groove is kept away from in the baffle setting to the baffle, the one end fixed connection of guide arm is in the one end that the baffle is close to the air guide pipe, the other end of guide arm passes the air guide pipe and extends to the air guide inslot.

Preferably, be located fixed cover has connect the board that resets on the pole wall of air guide inslot guide arm, the one end fixedly connected with spring that resets and be close to the air guide groove tank bottom, the other end fixed connection of spring is at the tank bottom of air guide groove, the spring housing is established on the pole wall of guide arm.

Preferably, the reset plate is symmetrically provided with vent holes about the guide rod, and the wall of each vent hole is fixedly connected with a dust screen.

Preferably, the lateral wall of the reset plate is fixedly connected with a sealing strip, and one side of the sealing strip, which is far away from the reset plate, is arranged on the groove wall of the air guide groove.

Preferably, the one end fixedly connected with that the arm guide is kept away from to the reset plate presses the briquetting, press the briquetting and be the rubber material.

Compared with the prior art, the utility model provides a combustible gas detector possesses following beneficial effect:

1. the combustible gas detector is provided with a fixing mechanism consisting of a sucker, an air duct, an air guide groove, a sealing ring, a piston, a baffle plate and a guide rod, when in use, the sucker is aligned to the mounting surface, pressure towards the direction of the mounting surface is applied to the supporting plate, air in the sucker is pressed out of the sucker, the air in the sucker can only be pressed out of the sucker through the mouth of the sucker due to the blocking of the baffle, the air pressure in the sucker is reduced, the support plate and the detector body are further fixed on the installation surface, when the support plate needs to be taken down, the guide rod is pressed to drive the piston and the baffle plate to move synchronously, when the piston is separated from the sealing ring, when the baffle plate is separated from the pipe orifice of the air duct, the outside air is supplemented into the sucker through the air duct, the sucker is separated from the mounting surface, and the support plate connected with the detector body can be easily and conveniently taken down from the mounting surface.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses light convenience is taken off the backup pad of connecting the detector body from the installation face.

Drawings

Fig. 1 is a schematic structural diagram of a combustible gas detector according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the detector comprises a detector body 1, a supporting plate 2, a fixing mechanism 3, a suction cup 31, an air guide pipe 32, an air guide groove 33, a sealing ring 34, a piston 35, a baffle 36, a guide rod 37, a reset plate 4, a spring 5, an air vent 6, a dust-proof net 7 and a pressing block 8.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a combustible gas detector comprises a detector body 1 and a supporting plate 2 connected with the detector body 1, wherein four corners on the supporting plate 2 are connected with four fixing mechanisms 3 in a matrix manner;

the fixing mechanism 3 comprises a suction cup 31, an air duct 32, an air guide groove 33, a sealing ring 34, a piston 35, a baffle 36 and a guide rod 37, the suction cup 31 is fixedly connected to one end of the support plate 2 far away from the detector body 1, the air guide groove 33 is arranged at one end of the support plate 2 close to the detector body 1 corresponding to the position of the detector body 1, one end of the air duct 32 is communicated with the bottom of the air guide groove 33, the other end of the air duct 32 sequentially penetrates through the support plate 2 and the suction cup 31 and extends into the suction cup 31, the sealing ring 34 is fixedly connected to the inner wall of the air duct 32, the baffle 36 is arranged at the pipe orifice at one end of the air duct 32 far away from the air guide groove 33, one end of the guide rod 37 is fixedly connected to one end of the baffle 36 close to the air duct 32, the other end of the guide rod 37 penetrates through the air duct 32 and, when the device is used, the suction cup 31 is aligned to the mounting surface, pressure towards the direction of the mounting surface is applied to the support plate 2, the air in the suction cup 31 is pressed out of the suction cup 31, the blocking of the baffle plate 36 enables the air in the suction cup 31 to be only capable of pressing out of the suction cup 31 through the opening of the suction cup 31, air pressure in the suction cup 31 is reduced, the support plate 2 and the detector body 1 are further fixed on the mounting surface, when the support plate 2 needs to be taken down, pressing force is applied to the guide rod 37, the guide rod 37 drives the piston 35 and the baffle plate 36 to move synchronously, when the piston is separated from the sealing ring, and the baffle plate is separated from the pipe opening of the air guide pipe, the external air is supplemented into the suction cup 31 through the air guide pipe 32, the suction cup 31 is separated from the mounting.

The reset plate 4 is fixedly sleeved on the rod wall of the guide rod 37 in the air guide groove 33, the reset plate 4 is close to one end fixedly connected with spring 5 at the bottom of the air guide groove 33, the other end of the spring 5 is fixedly connected at the bottom of the air guide groove 33, the spring 5 is sleeved on the rod wall of the guide rod 37, the guide rod 37 moves downwards to drive the reset plate 4 to move synchronously, the reset plate 4 compresses the spring 5 during movement, the spring 5 is deformed under stress, and when the reset plate 4 loses pressure, the compressed spring 5 pushes the reset plate 4 to return to the original position.

The reset plate 4 is symmetrically provided with vent holes 6 about the guide rod 37, and the wall of each vent hole 6 is fixedly connected with a dustproof net 7, so that the air permeability is facilitated, and dust is prevented from entering the air guide groove 33 through the vent holes 6.

Fixedly connected with sealing strip on the lateral wall of board 4 resets, and one side that the board that resets is kept away from to the sealing strip sets up on the cell wall of air guide groove 33, prevents that the dust from getting into air guide groove 33 through the gap between board 4 that resets and the air guide groove 33.

The one end fixedly connected with that the guide arm 37 was kept away from to the board that resets presses piece 8, presses piece 8 to be the rubber material, improves the travelling comfort when pressing to the board that resets 4 through pressing piece 8.

The utility model discloses in, when using, aim at the installation face with sucking disc 31, and exert the pressure towards installation face direction to backup pad 2, air in the sucking disc 31 is by extrusion sucking disc 31, block through baffle 36, make the air in the sucking disc 31 can only pass through sucking disc 31's oral area extrusion sucking disc 31, air pressure diminishes in the sucking disc 31, and then fix backup pad 2 and detector body 1 on the installation face, when backup pad 2 need be taken off, exert pressing force to guide arm 37, guide arm 37 drives piston 35 and 36 synchronous motion of baffle, break away from when piston and sealing ring, and when the mouth of pipe of baffle follow air duct breaks away from, external air passes through air duct 32 and supplements in sucking disc 31, make sucking disc 31 break away from the installation face, can easily convenient backup pad 2 that will connect detector body 1 takes off from the installation face.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A combustible gas detector comprises a detector body (1) and a supporting plate (2) connected with the detector body (1), and is characterized in that four corners of the supporting plate (2) are connected with four fixing mechanisms (3) in a matrix manner;

the fixing mechanism (3) comprises a suction cup (31), an air duct (32), an air guide groove (33), a sealing ring (34), a piston (35), a baffle plate (36) and a guide rod (37), the suction cup (31) is fixedly connected to one end, far away from the detector body (1), of the support plate (2), the air guide groove (33) is arranged at one end, close to the detector body (1), of the support plate (2) corresponding to the position of the detector body (1), one end of the air duct (32) is communicated with the bottom of the air guide groove (33), the other end of the air duct (32) sequentially penetrates through the support plate (2) and the suction cup (31) and extends into the suction cup (31), the sealing ring (34) is fixedly connected to the inner pipe wall of the air duct (32), the baffle plate (36) is arranged at the pipe orifice at one end, far away from the air guide groove (33), of the guide rod (37) is fixedly connected to one end, close to the air duct (, the other end of the guide rod (37) penetrates through the air guide pipe (32) and extends into the air guide groove (33), the piston (35) is fixedly sleeved on the rod wall of the guide rod (37), and the piston (35) is connected to the inner annular wall of the sealing ring (34) in a sealing and sliding mode.

2. The combustible gas detector according to claim 1, wherein a reset plate (4) is fixedly sleeved on the rod wall of the guide rod (37) in the gas guide groove (33), one end of the reset plate (4) close to the bottom of the gas guide groove (33) is fixedly connected with a spring (5), the other end of the spring (5) is fixedly connected to the bottom of the gas guide groove (33), and the spring (5) is sleeved on the rod wall of the guide rod (37).

3. The combustible gas detector according to claim 2, wherein the reset plate (4) is symmetrically provided with vent holes (6) about the guide rods (37), and the wall of each vent hole (6) is fixedly connected with a dust screen (7).

4. The combustible gas detector according to claim 2, characterized in that a sealing strip is fixedly connected to the side wall of the reset plate (4), and the side of the sealing strip away from the reset plate is arranged on the wall of the gas guide groove (33).

5. The combustible gas detector according to claim 2, wherein a pressing block (8) is fixedly connected to one end of the reset plate (4) far away from the guide rod (37), and the pressing block (8) is made of rubber.