CN216385715U

CN216385715U - Dustproof and explosion-proof sensor

Info

Publication number: CN216385715U
Application number: CN202122519871.2U
Authority: CN
Inventors: 姬宝元
Original assignee: Tianjin Zhongke Shouchuang Instrument Co ltd
Current assignee: Tianjin Zhongke Shouchuang Instrument Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-26
Anticipated expiration: 2031-10-19

Abstract

The utility model provides a dustproof and flameproof sensor, which relates to the technical field of sensors and comprises a sensor body, wherein an electronic element is fixed inside the sensor body, a flameproof box is arranged outside the electronic element, the outer surface of the flameproof box is fixedly connected with the inner surface wall of the sensor body, and buffer structures are fixed on the outer surfaces of two sides of the flameproof box. According to the utility model, the explosion-proof box is covered outside the electronic element, so that the explosion-proof effect of the utility model is improved, meanwhile, the impact force generated after explosion is relieved through the hydraulic cylinder, the piston, the hydraulic rod and the buffer spring, and the damage caused by the explosion of the sensor is relieved to the maximum extent.

Description

Dustproof and explosion-proof sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a dustproof and flameproof sensor.

Background

The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.

The sensor is usually used outdoors, the existing sensor can cause circuit aging short circuit after being used for a long time, sparks are generated during operation, sensor explosion can be caused under the condition of spark generation at higher temperature in summer, serious consequences are caused, more outdoor dust is generated, a thick layer of dust is accumulated on a display screen of the sensor, and obstruction can be caused when data displayed by the sensor is observed, so that improvement needs to be carried out on the basis of the existing sensor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, the explosion-proof box and the buffer structure are arranged outside the electronic element, so that when the electronic element is accidentally exploded, the impact force generated by explosion is buffered to the greatest extent, and the loss is reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme: a dustproof and flameproof sensor comprises a sensor body, wherein an electronic element is fixed inside the sensor body, a flameproof box is arranged outside the electronic element, the outer surface of the flameproof box is fixedly connected with the inner surface wall of the sensor body, a plurality of buffer structures are fixed on the outer surfaces of two sides of the flameproof box, and the plurality of buffer structures are arranged in a linear array in the extending direction of the flameproof box;

buffer structure includes the pneumatic cylinder, and is a plurality of the equal activity of interior table wall of pneumatic cylinder inlays and is equipped with the piston, and is a plurality of one side surface of piston all is fixed with the hydraulic stem, and the one end of a plurality of hydraulic stems extends the outside to a plurality of pneumatic cylinders respectively, and is a plurality of the surface of hydraulic stem is close to the equal fixed cover of one end edge and is equipped with buffer spring.

As a preferred embodiment, a plurality of one ends of the hydraulic rods are fixedly connected with the inner surface wall of the sensor body, and the two ends of the buffer structure are respectively connected with the explosion-proof box and the sensor body, so that the buffer structure is more firmly fixed.

In a preferred embodiment, a display screen is fixed to the front surface of the sensor body, and information detected by the sensor is observed through the display screen.

As a preferred embodiment, the front surface of the sensor body is close to the edges of two sides and is provided with sliding grooves, and the sliding grooves are used for placing linear guide rails and provide space for sliding of the bottom of the dust cover.

As a preferred embodiment, the inner surface walls of the two sliding grooves are fixed with linear guide rails, the outer surfaces of the two linear guide rails are connected with two sliding blocks in a sliding manner, dust covers are fixed between the front surfaces of the four sliding blocks, and the dust covers can move on the linear guide rails through the sliding blocks to shield dust for the display screen.

In a preferred embodiment, a cleaning sponge is fixed on the rear surface of the dust cover, the rear surface of the cleaning sponge is in sliding connection with the front surface of the display screen, and the cleaning sponge slides over the display screen when the dust cover slides to clean floating ash adsorbed on the surface.

Compared with the prior art, the utility model has the advantages and positive effects that,

according to the utility model, the explosion-proof box is covered outside the electronic element, so that the explosion-proof effect of the utility model is improved, meanwhile, the impact force generated after explosion is relieved through the hydraulic cylinder, the piston, the hydraulic rod and the buffer spring, and the damage caused by the explosion of the sensor is relieved to the maximum extent.

Drawings

FIG. 1 is a schematic perspective view of a dustproof and flameproof sensor according to the present invention;

FIG. 2 is a sectional view of a main view structure of a dustproof and flameproof sensor provided by the utility model;

FIG. 3 is a schematic perspective view of a dustproof and flameproof sensor buffer structure provided by the utility model;

FIG. 4 is a schematic perspective view of a dustproof cover structure of a dustproof and flameproof sensor according to the present invention.

Illustration of the drawings:

1. a sensor body; 2. an electronic component; 3. an explosion-proof box; 4. a buffer structure; 41. a hydraulic cylinder; 42. a piston; 43. a hydraulic lever; 44. a buffer spring; 5. a display screen; 6. a chute; 7. a linear guide rail; 8. a slider; 9. a dust cover; 10. cleaning the sponge.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 4, the present invention provides a technical solution: a dustproof and flameproof sensor comprises a sensor body 1, an electronic element 2 is fixed inside the sensor body 1, a flameproof box 3 is arranged outside the electronic element 2, the outer surface of the flame-proof box 3 is fixedly connected with the inner surface wall of the sensor body 1, the outer surfaces of two sides of the flame-proof box 3 are fixed with a plurality of buffer structures 4, the buffer structures 4 are arranged in a linear array along the extending direction of the flame-proof box 3, each buffer structure 4 comprises a hydraulic cylinder 41, the inner surface walls of the hydraulic cylinders 41 are movably embedded with pistons 42, the outer surface of one side of each piston 42 is fixed with a hydraulic rod 43, and the one end of a plurality of hydraulic stems 43 extends to the outside of a plurality of pneumatic cylinders 41 respectively, and the surface of a plurality of hydraulic stems 43 is close to the equal fixed cover in one end edge and is equipped with buffer spring 44, and the one end of a plurality of hydraulic stems 43 all is with the interior table wall fixed connection of sensor body 1.

In this embodiment, the flameproof box 3 is disposed outside the electronic element 2, and limits the spark generated when the electronic element 2 explodes within the sealed housing to prevent surrounding flammable and explosive objects from being ignited, and meanwhile, the impact force generated by the explosion pushes the hydraulic rod 43 and the piston 42 to move towards the inside of the hydraulic cylinder 41, and squeezes the oil in the hydraulic cylinder 41 to relieve most of the impact force, so as to avoid the damage to the surroundings caused by the explosion of the housing of the sensor body 1 to the maximum extent, and the hydraulic rod 43 drives the buffer spring 44 to compress towards the hydraulic cylinder 41 when moving, thereby increasing the buffer performance of the utility model.

Example 2

As shown in fig. 1-4, the front surface of the sensor body 1 is fixed with a display screen 5, the front surface of the sensor body 1 is close to edges of two sides and is provided with a sliding groove 6, inner surface walls of the two sliding grooves 6 are fixed with linear guide rails 7, the outer surfaces of the two linear guide rails 7 are connected with two sliding blocks 8 in a sliding manner, a dust cover 9 is fixed between the front surfaces of the four sliding blocks 8, the rear surface of the dust cover 9 is fixed with a cleaning sponge 10, and the rear surface of the cleaning sponge 10 is connected with the front surface of the display screen 5 in a sliding manner.

In this embodiment,

slider

8 and 9 fixed connection of shield, it reciprocates to drive the shield 9 through linear guide 7, the shade with expose display screen 5, be provided with limit structure between slider 8 and the linear guide 7, it fixes its position after display screen 5 removes, prevent display screen 5 random transformation position, and limit structure between slider 8 and the linear guide 7 is current technique, no longer do at this and describe repeatedly, when promoting the shield 9, the inside cleaning sponge 10 of shield 9 can contact with display screen 5, clear up the 5 adsorbed superficial floating dust of display screen.

The working principle of the embodiment is as follows:

as shown in fig. 1-4, when the electronic component 2 explodes, the impact force causes the explosion-proof box 3 to deform and bulge outwards, the hydraulic rods 43 on both sides are extruded, the hydraulic rods 43 drive the piston 42 to move towards the inside of the hydraulic cylinder 41 to extrude oil liquid, so as to buffer the impact force, and simultaneously, the buffer spring 44 compresses along with the movement of the hydraulic rods 43, so that the buffer performance of the explosion-proof device is improved, the damage caused by explosion is relieved to the maximum extent, the dust-proof cover 9 is pushed to enable the sliding block 8 to slide on the linear guide rail 7, the dust-proof cover 9 is moved to the upper part of the display screen 5 to shield the display screen, and dust is prevented from being accumulated outside the display screen 5.

Although the present invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a dustproof flame proof's sensor, includes sensor body (1), its characterized in that: an electronic element (2) is fixed inside the sensor body (1), an explosion-proof box (3) is arranged outside the electronic element (2), the outer surface of the explosion-proof box (3) is fixedly connected with the inner surface wall of the sensor body (1), a plurality of buffer structures (4) are fixed on the outer surfaces of two sides of the explosion-proof box (3), and the buffer structures (4) are arranged in a linear array in the extending direction of the explosion-proof box (3);

buffer structure (4) are including pneumatic cylinder (41), and are a plurality of piston (42) are all movably inlayed to the interior table wall of pneumatic cylinder (41), and are a plurality of one side surface of piston (42) all is fixed with hydraulic stem (43), and the one end of a plurality of hydraulic stem (43) extends the outside of a plurality of pneumatic cylinders (41) respectively, and is a plurality of the surface of hydraulic stem (43) is close to one end edge and all fixes the cover and is equipped with buffer spring (44).

2. The dustproof and flameproof sensor of claim 1, characterized in that: one ends of the hydraulic rods (43) are fixedly connected with the inner surface wall of the sensor body (1).

3. The dustproof and flameproof sensor of claim 1, characterized in that: a display screen (5) is fixed on the front surface of the sensor body (1).

4. The dustproof and flameproof sensor of claim 1, characterized in that: the front surface of the sensor body (1) is provided with sliding chutes (6) close to the edges of the two sides.

5. The dustproof and flameproof sensor of claim 4, characterized in that: two the interior table wall of spout (6) all is fixed with linear guide (7), two the equal sliding connection of surface of linear guide (7) has two sliders (8), four be fixed with shield (9) between the front surface of slider (8).

6. The dustproof and flameproof sensor of claim 5, characterized in that: the rear surface of the dustproof cover (9) is fixed with a cleaning sponge (10), and the rear surface of the cleaning sponge (10) is in sliding connection with the front surface of the display screen (5).