Gas detection sensor protection device

Abstract

The utility model relates to the technical field of gas detection, in particular to a gas detection sensor protection device which comprises a fixing frame, a gauze element is fixedly connected to the inner side wall of the fixing frame, a mounting rack is fixedly connected to the upper surface of the fixing frame, and a first motor is fixedly mounted on the left side wall of the mounting rack. A first motor drives a threaded rod to rotate back and forth, so that a nut seat drives a mounting plate to move left and right, the mounting plate drives a second motor to move left and right, the second motor drives a rotating shaft and cleaning cotton to rotate, and the cleaning cotton on the front and rear sides of the gauze element continuously rotates while moving left and right, so that dust on the surface of the gauze element is cleaned; dust falls into the dust collection box under the action of gravity, when the dust is accumulated on the surface of the gauze element, the gauze element can be cleaned in time, the accumulated dust is prevented from blocking gaps of the gauze element, air circulation is guaranteed, and normal work of the gas detection sensor is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas detection technical field, concretely is a kind of gas detection sensor protection device. BACKGROUND

[0002] Gas detection sensor is a kind of equipment that can perceive the concentration of specific gas in environment and convert it into usable signal output, their working principle is mainly based on the electrochemistry or photoelectrochemical reaction of gas, when certain gas in environment contacts the sensitive material on the surface of sensor, the change of material property is caused, to change the electric signal output of sensor, the gas concentration in environment can be monitored in real time by this way;

[0003] When installing gas detection sensor, protection device is often arranged on the outside of sensor, the existing gas detection sensor protection device is usually provided with waterproof and dustproof gauze, but gauze is often exposed in air in the process of use, dust is easy to accumulate on the surface of gauze, and the gap of gauze is blocked, air circulation is affected, and the normal work of gas detection sensor is affected;Therefore, a kind of gas detection sensor protection device is presented. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of gas detection sensor protection device to solve the problems presented in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of gas detection sensor protection device, including fixed frame, the inner side wall of the fixed frame is fixedly connected with gauze, the upper surface of the fixed frame is fixedly connected with mounting bracket, the left side wall of the mounting bracket is fixedly installed with first motor, the output shaft end of the first motor is fixedly connected with threaded rod, the threaded rod penetrates the left side wall of the mounting bracket, the threaded rod and the inner side wall of the mounting bracket are rotatably connected by bearing, the outer side wall of the threaded rod is screw-connected with nut seat, the front surface and rear surface of the nut seat are both welded with mounting plate, the upper surface of the mounting plate is fixedly installed with second motor, the output shaft end of the second motor is fixedly connected with rotating shaft, the rotating shaft penetrates the mounting plate, the outer side wall of the rotating shaft is fixedly connected with cleaning cotton, the front surface lower end of the fixed frame is movably contacted with dust collection box, the outer side wall of the dust collection box is symmetrically welded with two positioning plates, the rear surface of the positioning plate is fixedly connected with positioning pin, the lower end of the outer side wall of the fixed frame is symmetrically welded with two positioning blocks, the front surface of the positioning block is provided with positioning hole, the outer side wall of the positioning pin and the inner side wall of the positioning hole are slidably connected.

[0006] As a further preferred of the technical solution: the lower surface of the nut seat is fixedly connected with a limiting block, the upper surface of the fixed frame is fixedly connected with a limiting groove, and the outer side wall of the limiting block is in sliding connection with the inner side wall of the limiting groove.

[0007] As a further preferred of the technical solution: the upper surface of the fixed frame is provided with a through groove, and one of the rotating shafts penetrates through the through groove.

[0008] As a further preferred of the technical solution: the outer side wall of the fixed frame is symmetrically welded with two connecting plates on both sides.

[0009] As a further preferred of the technical solution: the front surface of the connecting plate is provided with a threaded hole.

[0010] As a further preferred of the technical solution: the material of the cleaning cotton is sponge.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The first motor drives the threaded rod to rotate back and forth, the nut seat drives the mounting plate to move left and right, the mounting plate drives the second motor to move left and right, the second motor drives the rotating shaft and the cleaning cotton to rotate, and the cleaning cotton on the front and back sides of the gauze continuously rotates while moving left and right, so that the dust on the surface of the gauze is cleaned, the dust falls into the inside of the dust collecting box under the action of gravity, the two positioning plates are pulled away from the positioning block, the positioning pin slides out from the inner side wall of the positioning hole, so that the dust collecting box is taken off, and after cleaning, it is used again, when the dust accumulates on the surface of the gauze, the gauze can be cleaned in time, the accumulated dust is prevented from blocking the gap of the gauze, the circulation of air is ensured, and the normal work of the gas detection sensor is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the fixed frame in the utility model;

[0016] Figure 4 It is a structural schematic diagram of the cleaning cotton in the utility model;

[0017] Figure 5 It is a structural schematic diagram of the dust collecting box in the utility model.

[0018] In the figure: 1, fixed frame; 2, gauze; 3, mounting frame; 4, first motor; 5, threaded rod; 6, nut base; 7, mounting plate; 8, second motor; 9, rotating shaft; 10, cleaning cotton; 11, dust collecting box; 12, positioning plate; 13, positioning pin; 14, positioning block; 15, positioning hole; 16, limiting block; 17, limiting groove; 18, through groove; 19, connecting plate; 20, threaded hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. The examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Please refer to all the drawings of the specification, the utility model provides a technical scheme: a kind of gas detection sensor protection device, the inner side wall of fixed frame 1 is fixedly connected with gauze 2, the upper surface of fixed frame 1 is fixedly connected with mounting bracket 3, the left side wall of mounting bracket 3 is fixedly installed with first motor 4, the output shaft end of first motor 4 is fixedly connected with threaded rod 5, threaded rod 5 penetrates the left side wall of mounting bracket 3, threaded rod 5 and the inner side wall between mounting bracket 3 are rotatably connected by bearing, the outer side wall of threaded rod 5 is threadedly connected with nut base 6, the front surface and rear surface of nut base 6 are both welded with mounting plate 7, the upper surface of mounting plate 7 is fixedly installed with second motor 8, the output shaft end of second motor 8 is fixedly connected with rotating shaft 9, rotating shaft 9 penetrates mounting plate 7, the outer side wall of rotating shaft 9 is fixedly connected with cleaning cotton 10, the front surface lower end of fixed frame 1 is movably contacted with dust collection box 11, the outer side wall of dust collection box 11 is symmetrically welded with two locating plates 12, the rear surface of locating plate 12 is fixedly connected with locating pin 13, the lower end of the outer side wall of fixed frame 1 is symmetrically welded with two locating blocks 14, the front surface of locating block 14 is provided with locating hole 15, and the outer side wall of locating pin 13 is slidably connected with the inner side wall of locating hole 15;Threaded rod 5 is rotated back and forth by first motor 4, so that nut base 6 drives mounting plate 7 to move left and right, mounting plate 7 drives second motor 8 to move left and right, second motor 8 drives rotating shaft 9 and cleaning cotton 10 to rotate, and cleaning cotton 10 on the front and back sides of gauze 2 is constantly rotated while moving left and right, so that the dust on the surface of gauze 2 is cleaned, the dust falls into the inside of dust collection box 11 under the action of gravity, the two locating plates 12 are pulled away from locating block 14, so that locating pin 13 slides out of the inner side wall of locating hole 15, so that dust collection box 11 is taken down, and is used again after cleaning.

[0022] In the embodiment, specifically: the lower surface of nut base 6 is fixedly connected with limiting block 16, the upper surface of fixed frame 1 is fixedly connected with limiting groove 17, and the outer side wall of limiting block 16 is slidably connected with the inner side wall of limiting groove 17;Make nut base 6 not rotate with the rotation of threaded rod 5, but keep moving left and right in the direction of limiting groove 17.

[0023] In the embodiment, specifically: the upper surface of fixed frame 1 is provided with through slot 18, and one rotating shaft 9 penetrates through through slot 18.

[0024] In the embodiment, specifically: the outer side wall of fixed frame 1 is symmetrically welded with two connecting plates 19 on both sides, which can be connected with gas detection sensor.

[0025] In the embodiment, specifically: the front surface of connecting plate 19 is provided with threaded hole 20;Can be connected with gas detection sensor by bolt.

[0026] In the embodiment, specifically: the material of cleaning cotton 10 is sponge.

[0027] The working principle of the utility model is: through the first motor 4 drives the screw rod 5 to rotate back and forth, make the nut seat 6 drive the mounting plate 7 move left and right, the mounting plate 7 drive the second motor 8 move left and right, the second motor 8 drive the rotating shaft 9 and the cleaning cotton 10 rotate, the cleaning cotton 10 of gauze screen 2 two sides moves left and right while rotating constantly, thereby the dust on the surface of gauze screen 2 is cleaned, the dust falls into the inside of dust collecting box 11 under the action of gravity, two locating plates 12 are pulled away from locating block 14, make locating pin 13 slide from the inside wall of locating hole 15, thereby the dust collecting box 11 is taken down, after cleaning, use again, thereby constitute a kind of gas detection sensor protection device, when dust is accumulated on the surface of gauze screen 2, gauze screen 2 can be cleaned in time, prevent dust from plugging the gap of gauze screen 2, guarantee the circulation of air, do not affect the normal work of gas detection sensor, stronger practicality.

[0028] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gas detection sensor protection device, comprising a fixed frame (1), characterized in that: A mesh screen (2) is fixedly connected to the inner wall of the fixed frame (1). A mounting bracket (3) is fixedly connected to the upper surface of the fixed frame (1). A first motor (4) is fixedly installed on the left side wall of the mounting bracket (3). A threaded rod (5) is fixedly connected to the output shaft end of the first motor (4). The threaded rod (5) passes through the left side wall of the mounting bracket (3). The threaded rod (5) is rotatably connected to the inner wall of the mounting bracket (3) through a bearing. A nut seat (6) is threadedly connected to the outer side wall of the threaded rod (5). Mounting plates (7) are welded to the front and rear surfaces of the nut seat (6). A second motor (8) is fixedly installed on the upper surface of the mounting plate (7). The output shaft of the second motor (8) is fixedly connected to a rotating shaft (9), which passes through the mounting plate (7). A cleaning cotton (10) is fixedly connected to the outer side wall of the rotating shaft (9). A dust collection box (11) is movably contacted at the lower end of the front surface of the fixed frame (1). Two positioning plates (12) are symmetrically welded to the outer side wall of the dust collection box (11). A positioning pin (13) is fixedly connected to the rear surface of the positioning plate (12). Two positioning blocks (14) are symmetrically welded to the lower end of the outer side wall of the fixed frame (1). A positioning hole (15) is opened on the front surface of the positioning block (14). The outer side wall of the positioning pin (13) is slidably connected to the inner side wall of the positioning hole (15).

2. The gas detection sensor protection device according to claim 1, characterized in that: A limiting block (16) is fixedly connected to the lower surface of the nut seat (6), and a limiting groove (17) is fixedly connected to the upper surface of the fixing frame (1). The outer side wall of the limiting block (16) and the inner side wall of the limiting groove (17) are slidably connected.

3. The gas detection sensor protection device according to claim 2, characterized in that: The upper surface of the fixed frame (1) is provided with a through groove (18), and a rotating shaft (9) passes through the through groove (18).

4. The gas detection sensor protection device according to claim 2, characterized in that: Two connecting plates (19) are symmetrically welded to both sides of the outer wall of the fixed frame (1).

5. The gas detection sensor protection device according to claim 4, characterized in that: The front surface of the connecting plate (19) is provided with a threaded hole (20).

6. The gas detection sensor protection device according to claim 4, characterized in that: The cleaning cotton (10) is made of sponge.

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