CN217060140U

CN217060140U - Plastic shell for gas detector

Info

Publication number: CN217060140U
Application number: CN202220271875.5U
Authority: CN
Inventors: 王召迁
Original assignee: Shandong Rute Security Equipment Co ltd
Current assignee: Shandong Rute Security Equipment Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-07-26
Anticipated expiration: 2032-02-10

Abstract

The utility model provides a plastic casing for gas detector, include: the upper shell is positioned above the lower shell, one side above the lower shell is provided with a wiring terminal, the upper side of the lower shell, which is far away from the wiring end, is provided with an alarm lamp interface, the surfaces of the upper shell and the lower shell of the utility model are provided with anti-corrosion coatings, the corrosion of special gas to the shell of the gas detector can be effectively reduced, thereby prolonging the service life of the gas detector, a sealing layer is arranged between the upper shell and the lower shell, an encapsulation layer is arranged inside the wiring end, a first sealing ring is arranged between the inner wall of the air inlet pipe and the sensor, so that the inside of the gas detector is a sealing structure, can prevent effectively that special gas from entering into gas detector's inside, reduce and lead to the fact the corruption to the main control board, avoid influencing the testing result because receiving of main control board corrodes to the life of main control board has been prolonged.

Description

Plastic shell for gas detector

Technical Field

The utility model relates to a gas detector technical field, in particular to plastic casing for gas detector.

Background

A gas detector is an instrument for detecting the concentration of a gas. The instrument is suitable for dangerous places with combustible or toxic gases, and can continuously detect the content of the detected gas in the air within the lower explosion limit for a long time. The device can be widely applied to various industries with combustible or toxic gas such as gas, petrochemical industry, metallurgy, steel, coking, electric power and the like, and is an ideal monitoring instrument for ensuring property and personal safety.

The existing plastic shell for the gas detector is not enough, when the special gas is detected, the detector is usually in the special gas, the service life of the gas detector is shortened due to corrosion caused by the surface of a plastic shell, the internal sealing performance of the plastic shell of the common gas detector is poor, the special gas can enter the gas detector, certain corrosion and damage are caused to a main control panel, the gas detector is damaged, and the detection data has errors.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough among the prior art, the utility model provides a plastic casing for gas detector.

In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that:

a plastic housing for a gas detector, comprising: lower casing and last casing, it is located to go up the casing the top of casing down, top one side of casing is provided with the wiring end down, keep away from down the top of casing one side of wiring end is provided with the alarm lamp interface, the wiring end with the inside of alarm lamp interface all is provided with the through-hole, the inside of casing is provided with the recess down, the bottom of recess is provided with the protective layer, the bottom of recess is provided with bolt hole groove, the inside of recess is provided with the main control board, the below of casing is provided with the intake pipe down, be provided with sealing washer one on the inside of intake pipe, top one side of intake pipe is provided with the baffle, the inside of intake pipe is provided with the sensor, the side of casing is provided with the mounting hole down, the top of going up the casing is provided with the mirror surface.

As an improvement, a sealing layer is arranged between the upper shell and the lower shell, and the surfaces of the upper shell and the lower shell are provided with anticorrosive coatings.

As the improvement, the through-hole with the intake pipe all with the recess intercommunication, the inside of wiring end is provided with the cable, the inside of wiring end is provided with the encapsulation layer, be provided with the alarm lamp on the alarm lamp interface, the sealing washer one is located the inner wall of intake pipe with between the surface of sensor.

As an improvement, an annular groove is formed in the surface below the baffle, and a second sealing ring is arranged inside the annular groove.

The beneficial effects of the utility model are that:

the utility model discloses a surface of last casing and lower casing is provided with anticorrosive coating, can effectively reduce the corruption of special gas to gas detector's shell, thereby gas detector's life has been prolonged, go up the casing and be provided with the sealing layer down between the casing, the inside of wiring end is provided with the encapsulated layer, be provided with sealing washer one between the inner wall of intake pipe and the sensor, the inside that can make gas detector like this is seal structure, can effectively prevent special gas to enter into gas detector's inside, the reduction causes the corruption to the main control board, avoided influencing the testing result because the receiving of main control board corrodes, and main control board's life has been prolonged.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the lower housing of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Reference symbol comparison table:

1. a lower housing; 2. an upper housing; 3. a terminal; 4. an alarm lamp interface; 5. an alarm lamp; 6. a through hole; 7. a groove; 8. A protective layer; 9. a bolt hole slot; 10. a main control board; 11. an air inlet pipe; 12. a first sealing ring; 13. a baffle plate; 14. a sensor; 15. an annular groove; 16. a second sealing ring; 17. mounting holes; 18. a mirror surface.

Detailed Description

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 and 2, a plastic housing for a gas detector includes: casing 1 and last casing 2 down, it is located to go up casing 2 casing 1's top down, casing 1's top one side is provided with wiring end 3 down, casing 1's top is kept away from down one side of wiring end 3 is provided with alarm lamp interface 4, wiring end 3 with alarm lamp interface 4's inside all is provided with through-hole 6, casing 1's inside is provided with recess 7 down, recess 7's bottom is provided with protective layer 8, recess 7's bottom is provided with bolt hole groove 9, recess 7's inside is provided with main control board 10, and main control board 10 is fixed through bolt hole groove 9 and recess 7's bottom.

Wherein protective layer 8 can effectively protect main control board 10, avoids removing the in-process, and rocking of main control board 10 leads to main control board 10 impaired to influence the accuracy of data detection, through protective layer 8 protection main control board 10, prolong gas detector's life.

The gas detector is characterized in that an air inlet pipe 11 is arranged below the lower shell 1, a first sealing ring 12 is arranged inside the air inlet pipe 11, a baffle 13 is arranged on one side of the upper portion of the air inlet pipe 11, a sensor 14 is arranged inside the air inlet pipe 11, a mounting hole 17 is formed in the side face of the lower shell 1, a mirror face 18 is arranged above the upper shell 2, and the gas detector is fixed through the mounting hole 17.

It should be noted that a sealing layer is arranged between the upper casing 2 and the lower casing 1, and the surfaces of the upper casing 2 and the lower casing 1 are both provided with an anticorrosive coating.

The utility model discloses at its during operation, the anti-coating can reduce special gas and cause the corruption to last casing 2 and casing 1's surface down to reduce the special gas to the damage of gas detector's plastic casing, prolonged plastic casing's life, go up casing 2 and the sealing layer between the casing 1 can prevent effectively that special gas from getting into the inside of gas detector between casing 2 and the casing 1 down.

Referring to fig. 2, the through hole 6 and the air inlet pipe 11 are communicated with the groove 7, a cable is arranged inside the wiring terminal 3, an encapsulating layer is arranged inside the wiring terminal 3, an alarm lamp 5 is arranged on the alarm lamp interface 4, and a sealing ring 12 is located between the inner wall of the air inlet pipe 11 and the surface of the sensor 14.

Wherein the cable is embedded in the inside encapsulated layer of wiring end 3, avoids special gas, moisture and dust to enter into gas detector's inside through intake pipe 11, and sealing washer one 12 can prevent effectively that special gas from entering into gas detector's inside through intake pipe 11, prevents that special gas from causing the corruption to main control board 10 to the reduction causes the damage to main control board 10, has prolonged gas detector's life.

Referring to fig. 3, an annular groove 15 is formed on the lower surface of the baffle 13, and a second sealing ring 16 is arranged inside the annular groove 15.

The utility model discloses at its during operation, can insert inside intake pipe 11 is equipped with the casing that needs detect gas like this, be convenient for operate gas detector's panel board, can effectively avoid gas to flow through the patchhole through sealing washer two 16.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. A plastic housing for a gas detector, comprising: the improved structure of the air conditioner comprises a lower shell (1) and an upper shell (2), wherein the upper shell (2) is located above the lower shell (1), a wiring end (3) is arranged on one side above the lower shell (1), an alarm lamp interface (4) is arranged on one side, away from the wiring end (3), above the lower shell (1), through holes (6) are formed in the wiring end (3) and the alarm lamp interface (4), a groove (7) is formed in the lower shell (1), a protective layer (8) is arranged at the bottom of the groove (7), a bolt hole groove (9) is formed in the bottom of the groove (7), a main control board (10) is arranged in the groove (7), an air inlet pipe (11) is arranged below the lower shell (1), a first sealing ring (12) is arranged in the air inlet pipe (11), a baffle (13) is arranged on one side above the air inlet pipe (11), the air inlet pipe (11) is internally provided with a sensor (14), the side surface of the lower shell (1) is provided with a mounting hole (17), and a mirror surface (18) is arranged above the upper shell (2).

2. The plastic casing for a gas detector according to claim 1, characterized in that a sealing layer is arranged between the upper casing (2) and the lower casing (1), and the surfaces of the upper casing (2) and the lower casing (1) are provided with an anti-corrosion coating.

3. The plastic shell for the gas detector as claimed in claim 1, wherein the through hole (6) and the air inlet pipe (11) are both communicated with the groove (7), the inside of the terminal (3) is provided with a cable, the inside of the terminal (3) is provided with an encapsulation layer, the alarm lamp interface (4) is provided with an alarm lamp (5), and the first sealing ring (12) is located between the inner wall of the air inlet pipe (11) and the surface of the sensor (14).

4. The plastic casing for a gas detector according to claim 1, characterized in that the lower surface of the baffle (13) is provided with an annular groove (15), and a second sealing ring (16) is arranged inside the annular groove (15).