CN220542881U

CN220542881U - Explosion-proof type combustible gas detection device

Info

Publication number: CN220542881U
Application number: CN202322159130.7U
Authority: CN
Inventors: 孟祥棋; 刘将; 马恩光
Original assignee: Inner Mongolia Anyi Construction Engineering Co ltd
Current assignee: Inner Mongolia Anyi Construction Engineering Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-02-27
Anticipated expiration: 2033-08-10

Abstract

The utility model discloses an explosion-proof type combustible gas detection device which comprises a detection device body and a detection shell, wherein a light screen moving mechanism is arranged in the detection device body and comprises a first motor, a limit sliding block is connected with a light screen in a sliding mode, and the light screen is connected with a fixed rod in a sliding mode. According to the utility model, the limit sliding block is driven to move by the spring through the cooperation of the detection device body and the light shielding plate moving mechanism, and when the gear is meshed with the limit sliding block, the light shielding plate is prevented from being excessively extended out and losing connection relation with the gear. The position adjustment of the light shielding plate is completed through the mode, an operator is not required to move the light shielding plate, the working efficiency of the detection device is improved, the probe is taken down by the operator after the detection shell is matched with the probe fixing mechanism, and the replacement of the probe is completed. Through the mode, an operator does not need to pull to replace the probe, and the workload of the operator is reduced.

Description

Explosion-proof type combustible gas detection device

Technical field:

the utility model relates to the technical field of intelligent detection parts for fire protection, in particular to an explosion-proof type combustible gas detection device.

The background technology is as follows:

the gas detector is an instrument tool for detecting the concentration of gas leakage, mainly utilizes a gas sensor to detect the gas types in the environment, is a sensor for detecting the components and the content of the gas, and mainly comprises a host, a probe, a sensor, a liquid crystal display screen and the like, and has a compact overall structure and is easy to carry.

For example, the detection device for the portable combustible gas detector with the authorized bulletin number of CN216411214U drives the round rod to move through the round block, the round rod drives the ball to be separated from the second clamping groove, then the probe is moved, the probe drives the connecting block to be separated from the square groove through the transverse block, at the moment, the probe is convenient to detach and replace, and a large amount of time and labor are not wasted during replacement and maintenance. However, the detection device for the portable combustible gas detector needs to manually adjust the angle of the baffle plate by an operator, and the operator can read after the baffle plate rotates to a proper position, so that the time for reading the detection device by the operator is increased, and the detection efficiency of the detection device is reduced. Meanwhile, the detection device for the portable combustible gas detector needs to be manually pulled by an operator to detach the probe, so that the workload of the operator is increased.

The utility model comprises the following steps:

the utility model aims to provide an explosion-proof type combustible gas detection device, which aims to solve the problems that an operator needs to manually move a baffle plate to read, the detection time of the detection device is prolonged, the detection efficiency of the detection device is reduced, the operator needs to manually pull a round block to detach a probe, and the workload of the operator is increased.

The utility model is implemented by the following technical scheme: the utility model provides an explosion-proof type combustible gas detection device, includes detection device body and detection casing, the inside of detection device body is equipped with light screen moving mechanism, light screen moving mechanism includes first motor, the outer wall of first motor passes through the support and links to each other with the detection device body is fixed, the output shaft of first motor links to each other with first worm is fixed, first worm links to each other with first worm wheel meshing, first worm wheel links to each other with the gear is fixed, the gear links to each other with the light screen meshing, the outer wall of light screen links to each other with the one end is fixed of spring, the other end and the spacing slider of spring are fixed to each other, spacing slider links to each other with the light screen is sliding with the dead lever.

The upper end of detection device body links to each other with the connecting rod is fixed, the connecting rod passes through the telescopic link and detects the casing activity and link to each other.

The inside of detecting the casing is equipped with probe fixed establishment, probe fixed establishment includes the second motor, the second motor outer wall passes through the fixed linking to each other of inner wall of support and detection casing, the output shaft of second motor links to each other with the second worm is fixed, the second worm links to each other with two second worm wheel meshes, two the second worm wheel links to each other with first connecting rod is fixed, the other end of first connecting rod links to each other with the second connecting rod activity through the round pin axle, the outer wall of second connecting rod links to each other with the third connecting rod is fixed through the round pin axle, two the outer wall of second connecting rod links to each other with the grip block is fixed, two the cushion is installed to the inner wall of grip block.

The surface mounting of detection device body has the display screen, the surface mounting of detection device body has operating button.

The two second worm gears are rotationally connected with the detection shell through bearings and supports, and the other end of the third connecting rod is movably connected with the detection shell through a pin shaft.

The middle part of first worm wheel links to each other with the detection device body rotation through round pin axle and support, the light screen passes through the through-hole and links to each other with the detection device body slip.

The utility model has the advantages that:

1. according to the utility model, through the cooperation of the detection device body and the light shield moving mechanism, the first motor drives the first worm to rotate, the first worm drives the first worm wheel to rotate, the first worm wheel drives the gear to rotate, the gear drives the light shield to move, the light shield drives the spring to move, the spring drives the limit sliding block to move, and when the gear is meshed with the limit sliding block, the gear does not drive the light shield to move any more, so that the light shield is prevented from extending out of the connection relation with the gear too much. The position adjustment of the light shielding plate is completed in the mode, an operator does not need to move the light shielding plate, and the working efficiency of the detection device is improved.

2. Through detecting the cooperation of casing and probe fixed establishment, the second motor drives the second worm and rotates, and the second worm drives the second worm wheel and rotates, and the second worm wheel drives first connecting rod and rotates, and first connecting rod drives the third connecting rod and remove, and the third connecting rod drives the second connecting rod and rotates, and the third connecting rod drives the grip block simultaneously and removes, and the probe is kept away from to the grip block, later operating personnel takes off the probe, places new probe between the grip block after, and the second motor reverses, fixes new probe through above-mentioned mode, accomplishes the change of probe. Through the mode, an operator does not need to pull to replace the probe, and the workload of the operator is reduced.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an explosion-proof combustible gas detection device according to an embodiment of the utility model;

FIG. 2 is a front view of the device of FIG. 1, illustrating an explosion-proof type combustible gas detection device according to an embodiment of the utility model;

FIG. 3 is a schematic side view, partially in cross section, of the shutter plate moving mechanism of FIG. 1 of an explosion-proof type combustible gas detection device in accordance with an embodiment of the utility model;

FIG. 4 is a schematic side cross-sectional view of FIG. 3 of an explosion-proof combustible gas detection device in accordance with an embodiment of the utility model;

fig. 5 is a schematic front sectional view of the detection housing in fig. 1 of an explosion-proof type combustible gas detection device according to an embodiment of the utility model.

In the figure: 1. the detecting device comprises a detecting device body, 2, a light shielding plate moving mechanism, 201, a first motor, 202, a first worm, 203, a first worm wheel, 204, a gear, 205, a light shielding plate, 206, a fixed rod, 207, a spring, 208, a limit sliding block, 3, an operation button, 4, a connecting rod, 5, a telescopic rod, 6, a detecting shell, 7, a probe fixing mechanism, 701, a second motor, 702, a second worm, 703, a second worm wheel, 704, a first connecting rod, 705, a second connecting rod, 706, a third connecting rod, 707, a clamping block, 708, a cushion, 8 and a display screen.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is further described below with reference to the accompanying drawings:

example 1:

please refer to fig. 1-5: in this embodiment, an explosion-proof type combustible gas detection device includes detection device body 1 and detection casing 6, detection device body 1's inside is equipped with light screen moving mechanism 2, light screen moving mechanism 2 includes first motor 201, the outer wall of first motor 201 passes through the support and is fixed continuous with detection device body 1, detection device body 1 has fixed the position of first motor 201, the size selection of first motor 201 is according to actual demand, select to satisfy the work needs can, the output shaft of first motor 201 links to each other with first worm 202 is fixed, first motor 201 drives worm 202 rotation, first worm 202 links to each other with first worm wheel 203 meshing, first worm wheel 203 rotates with the gear 204 is fixed to link to each other, first worm wheel 203 drives gear 204 rotation, gear 204 links to each other with the meshing of light screen 205, the outer wall of light screen 205 is fixed to link to each other with one end of spring 207, the light screen 205 drives spring 207 removes, the elasticity coefficient selection of spring 207 can according to actual demand, the other end and spacing slider 208 fixed to link to each other of spring 207, spring 207 drives slider 208 and spacing slider 208 moves 205, the slider 205 links to each other with the slider 206 is fixed to each other on the slider 206, the slider is fixed to the slider 206 is fixed to the slider.

The inside of detecting casing 6 is equipped with probe fixed establishment 7, probe fixed establishment 7 includes second motor 701, the second motor 701 outer wall passes through the fixed linking to each other of inner wall of support and detecting casing 6, detecting casing 6 has fixed the position of second motor 701, the size selection of second motor 701 is according to actual demand can, the output shaft of second motor 701 links to each other with second worm 702 is fixed, second motor 701 drives second worm 702 and rotates, second worm 702 meshes with two second worm wheel 703 and links to each other, second worm wheel 702 drives second worm wheel 703 and rotates, two second worm wheel 703 and first connecting rod 704 are fixed to be linked to each other, second worm wheel 703 drives first connecting rod 704 and rotates, the other end of first connecting rod 704 links to each other with the second connecting rod activity through the round pin axle, first connecting rod 704 drives second connecting rod 705 and rotates, the outer wall of second connecting rod 705 passes through the round pin axle and links to each other with third connecting rod 706 is fixed, second connecting rod 705 drives the third connecting rod 706 and rotates, the outer wall and the grip block of two second connecting rods 705 link 705 drive grip block and move, the inner wall of two grip block 708 is installed and is prevented from being broken by the cushion.

The upper end of detection device body 1 links to each other with connecting rod 4 is fixed, connecting rod 4 links to each other with detection casing 6 activity through telescopic link 5, the position of detection casing 6 has been fixed to connecting rod 4, the surface mounting of detection device body 1 has display screen 8, the position of display screen 8 has been fixed to detection device body 1, the surface mounting of detection device body 1 has operating button 3, be convenient for operating the detection device body by operating personnel, two second worm wheels 703 rotate with detection casing 6 through bearing and support and link to each other, second worm wheel 703 rotates on detection casing 6, the other end of third connecting rod 706 links to each other with detection casing 6 activity through the round pin axle, third connecting rod 706 rotates on detection casing 6, the middle part of first worm wheel 203 rotates with detection device body 1 through round pin axle and support and links to each other, first worm wheel 203 rotates on detection device body 1, light screen 205 slides with detection device body 1 through the through-hole and links to each other.

Working principle:

when the explosion-proof type combustible gas detection device is used, the probe is firstly placed in a tank body of gas to be detected, then an external power supply of the probe is connected, the probe is started to detect the gas, when the probe needs to be replaced, the external power supply of the second motor 701 is connected, the second motor 701 is started, the second motor 701 drives the second worm 702 to rotate, the second worm 702 drives the second worm wheel 703 to rotate, the second worm wheel 703 drives the first connecting rod 704 to rotate, the first connecting rod 704 drives the third connecting rod 706 to move, the third connecting rod 706 drives the second connecting rod 705 to rotate, the third connecting rod 706 simultaneously drives the clamping blocks 707 to move, the clamping blocks 707 are far away from the probe, then an operator takes down the probe, and after the new probe is placed between the clamping blocks 707, the second motor 701 is reversed, the new probe is fixed in the mode, and the replacement of the probe is completed. When the position of the light shielding plate 205 needs to be adjusted, an external power supply of the first motor 201 is connected, the first motor 201 is started, the first motor 201 drives the first worm 202 to rotate, the first worm 202 drives the first worm wheel 203 to rotate, the first worm wheel 203 drives the gear 204 to rotate, the gear 204 drives the light shielding plate 205 to move, the light shielding plate 205 drives the spring 207 to move, the spring 207 drives the limit sliding block 208 to move, and when the gear 204 is meshed with the limit sliding block 208, the gear 204 does not drive the light shielding plate 205 to move any more, so that the light shielding plate 205 is prevented from extending out of the connection relation with the gear 204 too long. Thereby completing the position adjustment of the light shielding plate 205 and completing the detection of the combustible gas.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides an explosion-proof type combustible gas detection device, includes detection device body (1) and detects casing (6), its characterized in that, the inside of detection device body (1) is equipped with light screen moving mechanism (2), light screen moving mechanism (2) are including first motor (201), the outer wall of first motor (201) is fixed continuous with detection device body (1) through the support, the output shaft of first motor (201) is fixed continuous with first worm (202), first worm (202) links to each other with first worm wheel (203) meshing, first worm wheel (203) links to each other with gear (204) is fixed, gear (204) links to each other with light screen (205) meshing, the outer wall of light screen (205) links to each other with the one end of spring (207) is fixed, the other end of spring (207) is fixed continuous with spacing slider (208), spacing slider (208) is sliding continuous with light screen (205), light screen (205) and dead lever (206) are sliding continuous.

2. The explosion-proof type combustible gas detection device according to claim 1, wherein the upper end of the detection device body (1) is fixedly connected with the connecting rod (4), and the connecting rod (4) is movably connected with the detection shell (6) through the telescopic rod (5).

3. The explosion-proof type combustible gas detection device according to claim 2, wherein a probe fixing mechanism (7) is arranged in the detection shell (6), the probe fixing mechanism (7) comprises a second motor (701), the outer wall of the second motor (701) is fixedly connected with the inner wall of the detection shell (6) through a bracket, an output shaft of the second motor (701) is fixedly connected with a second worm (702), the second worm (702) is meshed with two second worm gears (703), the two second worm gears (703) are fixedly connected with a first connecting rod (704), the other end of the first connecting rod (704) is movably connected with a second connecting rod (705) through a pin shaft, the outer wall of the second connecting rod (705) is fixedly connected with a third connecting rod (706) through a pin shaft, the outer walls of the two second connecting rods (705) are fixedly connected with a clamping block (707), and soft cushions (708) are arranged on the inner walls of the two clamping blocks (707).

4. An explosion-proof type combustible gas detection apparatus according to claim 1, wherein a display screen (8) is mounted on a surface of the detection apparatus body (1), and an operation button (3) is mounted on a surface of the detection apparatus body (1).

5. An explosion-proof type combustible gas detection device according to claim 3, wherein the two second worm wheels (703) are rotatably connected with the detection housing (6) through bearings and brackets, and the other end of the third connecting rod (706) is movably connected with the detection housing (6) through a pin shaft.

6. An explosion-proof type combustible gas detection device according to claim 1, wherein the middle part of the first worm wheel (203) is rotatably connected with the detection device body (1) through a pin shaft and a bracket, and the light shielding plate (205) is slidably connected with the detection device body (1) through a through hole.