CN215493431U

CN215493431U - Toxic gas detector

Info

Publication number: CN215493431U
Application number: CN202121207613.4U
Authority: CN
Inventors: 王科宏; 刘定伦
Original assignee: Jiangsu Kehua Intelligent Control Equipment Co ltd
Current assignee: Jiangsu Kehua Intelligent Control Equipment Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-01-11
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a toxic gas detector, which comprises a detector body, a sensor and a connecting piece, wherein a filter shell is fixed at the lower end of the sensor, through grooves are formed in two sides of the filter shell, a filter plate is fixed in each through groove, a fixed bottom plate is fixed on the lower side of the filter shell, a rotating ring is arranged in the middle of the lower side of the fixed bottom plate, a screw is fixed on the upper side of the rotating ring, the screw slidably extends into the filter shell, the upper end of the screw is rotatably connected with the bottom end of the sensor, a threaded sleeve is sleeved on the surface of the screw in a threaded manner, and cleaning assemblies are symmetrically arranged at two ends of the threaded sleeve; through swivel, screw rod and threaded sleeve's cooperation, the clearance subassembly that drives both ends reciprocates, has improved the cleanliness on filter plate surface, and this device can effectively improve when using and survey the precision to better monitor.

Description

Toxic gas detector

Technical Field

The utility model relates to the field of detectors, in particular to a toxic gas detector.

Background

Toxic gas is gaseous or extremely volatile toxic chemicals at normal temperature and normal pressure, is derived from industrial pollution, combustion of coal and petroleum and putrefactive decomposition of biological materials, has stimulation effect on respiratory tract, and is easy to inhale poisoning, and comprises ammonia, ozone, nitrogen dioxide, sulfur dioxide, carbon monoxide, hydrogen sulfide, photochemical smog and the like.

The filter plate of the existing toxic gas detector is generally fixedly connected with the detector body, after the detector is used for a long time, more dust can be attached to the surface of the filter plate, the detection of gas is influenced due to the fact that the dust blocks the filter holes, the monitoring accuracy is reduced, and normal use is influenced, so that the toxic gas detector is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the disadvantages of the prior art, the present invention provides a toxic gas detector to solve the problems of the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a toxic gas detector, includes detector body, sensor and connecting piece, the sensor lower extreme is fixed with filters the casing, it has all seted up logical groove to filter the casing both sides, it is fixed with the filter to lead to the groove, it is fixed with PMKD to filter the casing downside, PMKD downside middle part is equipped with the swivel, the swivel upside is fixed with the screw rod, the screw rod slides and extends to the inside of filtering the casing, and its upper end and sensor bottom rotate to be connected, screw rod surface thread bush is equipped with the screw thread sleeve, screw thread sleeve both ends symmetry is equipped with the clearance subassembly, the clearance subassembly other end is located logical inslot, and its lateral wall and filter surface laminating.

As a preferred technical scheme of the utility model, the cleaning assembly comprises a connecting frame fixedly connected with the threaded sleeve and a cleaning plate fixedly connected with the other end of the connecting frame, the cleaning plate is positioned in the through groove, and cleaning brushes attached to the surface of the filter plate are fixed on the side wall of the cleaning plate at equal intervals.

As a preferable technical scheme of the utility model, obliquely arranged support frames are fixed on both sides of one end of the connecting frame close to the cleaning plate, and the other end of each support frame is fixedly connected with the side wall of the cleaning plate.

As a preferred technical scheme of the utility model, the circumferential surface of the rotating ring is provided with grooves at equal intervals.

According to a preferable technical scheme of the utility model, the rear side of the detector body is symmetrically provided with arc-shaped clamping plates, one side of each arc-shaped clamping plate, which is close to the detector body, is fixed with a connecting block, the surface of the detector body is provided with a connecting groove matched with the connecting block, and a telescopic spring is fixed between the top wall of the connecting groove and the upper side of the connecting block.

As a preferred technical scheme of the utility model, the filter plate is fixedly connected with the filter shell through bolts.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the cleaning assemblies at two ends are driven to move up and down through the matching of the rotating ring, the screw rod and the threaded sleeve, so that the dust on the surface of the filter plate is cleaned, the operation is simple, the cleaning speed is high, the cleanliness of the surface of the filter plate is improved after cleaning, and when the device is used, the detection precision can be effectively improved, so that better monitoring can be realized;

2. the detector is convenient to fix through the arc-shaped clamping plate matched with the telescopic spring, simple in structure and convenient to operate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic view of the filter housing of the present invention;

FIG. 4 is a schematic view of a swivel according to the present invention;

in the figure: 1. a detector body; 2. a sensor; 3. a connecting member; 4. a filter housing; 401. A through groove; 5. a filter plate; 6. rotating the ring; 601. a groove; 7. a screw; 8. fixing the bottom plate; 9. a threaded sleeve; 10. a connecting frame; 11. a support frame; 12. cleaning the plate; 13. cleaning the brush; 14. an arc-shaped splint; 15. connecting blocks; 16. and connecting the grooves.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example 1

Referring to fig. 1, 3 and 4, the utility model provides a toxic gas detector, which comprises a detector body 1, a sensor 2 and a connecting piece 3, wherein a filter shell 4 is fixed at the lower end of the sensor 2, through grooves 401 are formed in both sides of the filter shell 4, a filter plate 5 is fixed in each through groove 401, a fixed bottom plate 8 is fixed on the lower side of the filter shell 4, a rotating ring 6 is arranged in the middle of the lower side of the fixed bottom plate 8, a screw 7 is fixed on the upper side of the rotating ring 6, the screw 7 extends into the filter shell 4 in a sliding manner, the upper end of the screw is rotatably connected with the bottom end of the sensor 2, a threaded sleeve 9 is sleeved on the surface of the screw 7 in a threaded manner, cleaning assemblies are symmetrically arranged at both ends of the threaded sleeve 9, the other ends of the cleaning assemblies are positioned in the through grooves 401, and the side walls of the cleaning assemblies are attached to the surfaces of the filter plates 5; the cleaning assembly comprises a connecting frame 10 fixedly connected with the threaded sleeve 9 and a cleaning plate 12 fixedly connected with the other end of the connecting frame 10, the cleaning plate 12 is positioned inside the through groove 401, cleaning brushes 13 attached to the surfaces of the filter plates 5 are fixed on the side wall of the cleaning plate at equal intervals, obliquely arranged supporting frames 11 are fixed on two sides of one end, close to the cleaning plate 12, of the connecting frame 10, the other end of each supporting frame 11 is fixedly connected with the side wall of the cleaning plate 12, grooves 601 are formed in the circumferential surface of the rotating ring 6 at equal intervals, and the filter plates 5 are fixedly connected with the filter shell 4 through bolts;

when the surface of the filter plate 5 is cleaned, firstly, the rotating ring 6 is rotated, the rotating ring 6 drives the screw 7 to rotate, and the cleaning plate 12 is positioned in the through groove 401 to limit the cleaning plate, so that the screw 7 rotates to drive the threaded sleeve 9 to move up and down, the threaded sleeve 9 drives the cleaning plate 12 and the cleaning brush 13 on the surface to move under the action of the connecting frame 10, and the cleaning brush 13 can clean dust on the surface of the filter plate 5 when moving; the friction force between the operator and the rotating ring 6 is improved when the operator rotates through the groove 601 arranged on the surface of the rotating ring 6; the filter 5 is convenient for the dismantlement of filter 5 through bolt and 4 fixed connection of filter housing to be convenient for to the change of its inside clearance subassembly, improve the clearance quality and the speed of filter 5, after the clearance, improved the cleanliness on filter plate surface, this device can effectively improve when using and survey the precision, so that better monitoring.

Example 2

Referring to fig. 2, the remaining parts of this embodiment 2 are the same as the embodiment of embodiment 1, and the difference is that the present invention provides a toxic gas detector, wherein the rear side of a detector body 1 is symmetrically provided with arc-shaped clamping plates 14, one side of the arc-shaped clamping plates 14, which is close to the detector body 1, is fixed with a connecting block 15, the surface of the detector body 1 is provided with a connecting groove 16 matched with the connecting block 15, and a telescopic spring is fixed between the top wall of the connecting groove 16 and the upper side of the connecting block 15;

when fixing this detector, at first be located the dead lever between two arc splint 14, then promote this detector toward dead lever one end, arc splint 14 receive extruded power, drive arc splint 14 through expanding spring and remove toward both sides, then the dead lever card advances two arc splint 14 middle parts, realizes fixed to the joint of this detector.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a toxic gas detector, includes detector body (1), sensor (2) and connecting piece (3), its characterized in that: sensor (2) lower extreme is fixed with filters casing (4), it all has seted up logical groove (401) to filter casing (4) both sides, it is fixed with filter (5) to lead to groove (401), it is fixed with PMKD (8) to filter casing (4) downside, PMKD (8) downside middle part is equipped with swivel (6), swivel (6) upside is fixed with screw rod (7), screw rod (7) slide and extend to the inside of filtering casing (4), and its upper end and sensor (2) bottom rotate and be connected, screw rod (7) surface screw thread cover is equipped with threaded sleeve (9), threaded sleeve (9) both ends symmetry is equipped with the clearance subassembly, the clearance subassembly other end is located logical inside groove (401), and its lateral wall and filter (5) surface laminating.

2. A toxic gas detector as claimed in claim 1, wherein: the cleaning assembly comprises a connecting frame (10) fixedly connected with the threaded sleeve (9) and a cleaning plate (12) fixedly connected with the other end of the connecting frame (10), the cleaning plate (12) is located inside the through groove (401), and the side wall of the cleaning plate is fixed with cleaning brushes (13) attached to the surface of the filter plate (5) at equal intervals.

3. A toxic gas detector as claimed in claim 2, wherein: both sides of one end, close to the cleaning plate (12), of the connecting frame (10) are fixedly provided with support frames (11) which are obliquely arranged, and the other ends of the support frames (11) are fixedly connected with the side wall of the cleaning plate (12).

4. A toxic gas detector as claimed in claim 1, wherein: the circumferential surface of the rotating ring (6) is provided with grooves (601) at equal intervals.

5. A toxic gas detector as claimed in claim 1, wherein: detector body (1) rear side symmetry is equipped with arc splint (14), arc splint (14) are close to detector body (1) one side and are fixed with even piece (15), detector body (1) surface is equipped with even groove (16) that match with even piece (15), be fixed with expanding spring between roof and even piece (15) upside in even groove (16).

6. A toxic gas detector as claimed in claim 1, wherein: the filter plate (5) is fixedly connected with the filter shell (4) through bolts.