CN220370653U

CN220370653U - Prefilter structure for gas analyzer

Info

Publication number: CN220370653U
Application number: CN202321873828.9U
Authority: CN
Inventors: 汤涛; 刘作鹏
Original assignee: Jining Road Exhibition Experimental Instrument Equipment Co ltd
Current assignee: Jining Road Exhibition Experimental Instrument Equipment Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-01-23
Anticipated expiration: 2033-07-17

Abstract

The utility model relates to the technical field of prefiltering of gas analyzers, and provides a prefiltering structure for a gas analyzer, which comprises a shell, a filter screen and a gas analyzer body, wherein an air inlet pipeline is arranged on one side of the gas analyzer body, the shell is arranged on one side of the air inlet pipeline, an air outlet is arranged on one side of the shell, an air inlet is arranged on the other side of the shell, an access door is arranged at the top end of the shell, a sealing structure is arranged at the top end of the interior of the shell, a cleaning mechanism is arranged on one side of the interior of the shell, the filter screen is arranged in the interior of the shell, a disassembly and assembly structure is arranged at the bottom end of the filter screen, and comprises a positioning groove, a clamping block and a positioning block. According to the utility model, the access door is arranged at the top end of the shell, the access door is opened, the filter screen is pulled upwards, the positioning block withdraws from the positioning groove, the clamping block and the clamping groove are loosened, the filter screen is taken out from the shell, the purpose of replacing the filter screen can be realized, and the replacement efficiency is improved.

Description

Prefilter structure for gas analyzer

Technical Field

The utility model relates to the technical field of prefiltering of gas analyzers, in particular to a prefiltering structure for a gas analyzer.

Background

With the continuous development of gas measurement technology, the types of produced gas measurement devices are also increasing, and a gas analyzer is a meter for measuring gas components, and the gas analyzer mainly uses a gas sensor to detect the gas types in the environment, and in the use process of the gas analyzer, the detected gas needs to be filtered in advance.

The prior prefilter structure for the gas analyzer is simple, and has the defects when in use:

1. after the filter screen with the pre-filtering structure for the gas analyzer is used for a long time, the filter screen is not convenient to detach and replace, the replacement difficulty of the filter screen is increased, and the filter screen is inconvenient to use;

2. in the case of using the prefilter structure for a gas analyzer, gas leakage occurs due to poor sealing effect, and therefore, it is necessary to develop a prefilter structure for a gas analyzer to solve the above-mentioned problems.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a prefilter structure for a gas analyzer, which is used for solving the defect that the conventional prefilter structure is inconvenient to replace a filter screen.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a gas analysis is prefiltering structure for appearance, includes casing, filter screen and gas analysis appearance body, inlet channel is installed to one side of gas analysis appearance body, the casing is installed in one side of inlet channel, the gas outlet is installed to one side of casing, the air inlet is installed to the opposite side of casing, the access door is installed on the top of casing, the inside top of casing is provided with seal structure, one side of casing inside is provided with clearance mechanism, the inside at the casing is installed to the filter screen, the bottom of filter screen is provided with dismouting structure, dismouting structure is including constant head tank, draw-in groove, fixture block and locating piece, the top and the bottom at the filter screen both ends are all installed to the locating piece, the bottom at the filter screen is installed to the fixture block, the draw-in groove sets up on the inner wall at the inside bottom of casing, the top and the bottom at the inside both ends of casing are all installed to the constant head tank.

Preferably, the cleaning mechanism comprises a support, a driving motor, a brush, fixing bolts and a rotating shaft, wherein the support is arranged on one side of the inside of the shell, the driving motor is arranged on one side of the support, the rotating shaft is arranged on one side of the driving motor, the brush is arranged on one side of the rotating shaft, and the fixing bolts are arranged at two ends of one side of the rotating shaft. The filter screen can be cleaned by the cleaning mechanism.

Preferably, the fixing bolts are symmetrically arranged, and the fixing bolts are distributed in a central symmetry manner through the hairbrushes. The hairbrush is convenient to disassemble and assemble through the symmetrically arranged fixing bolts.

Preferably, the inner diameter of the positioning groove is larger than the outer diameter of the positioning block, and the positioning groove and the positioning block form a sliding structure. Through the setting of sliding construction, can fix a position the filter screen.

Preferably, the clamping block is matched with the clamping groove in size, and the clamping block and the clamping groove form a clamping structure. Through the setting of block structure, the dismouting filter screen of being convenient for.

Preferably, the seal structure is including sealed pad, spacing groove and spacing spring, the spacing groove all sets up on the inner wall on the inside both sides top of casing, spacing spring is evenly installed to the inside in spacing groove, and sealed pad is all installed to spacing spring's one end. The sealing structure can improve the tightness between the access door and the shell.

Preferably, one end of the sealing gasket is arranged in the limiting groove, and the sealing gasket and the limiting spring form a telescopic structure. Through extending structure's setting, be convenient for sealed pad and access door laminating mutually.

(III) beneficial effects

The prefilter structure for the gas analyzer has the advantages that:

(1) The filter screen is pulled upwards through the access door arranged at the top end of the shell, the positioning block withdraws from the positioning groove, the clamping block and the clamping groove are loosened, and the filter screen is taken out from the shell, so that the aim of replacing the filter screen can be fulfilled, and the replacement efficiency is improved;

(2) The driving motor is started by the driving motor arranged at one side in the shell, the rotating shaft and the hairbrush rotate, dust on the filter screen is swept down, the aim of cleaning the filter screen is fulfilled, and the condition that the filter screen is blocked by the dust to influence the filtering effect of the filter screen is avoided;

(3) Through the spacing spring that evenly sets up on the inside both sides top inner wall of casing, spacing spring extrusion is sealed fills up for sealed pad and the inseparable laminating of access door realize improving the purpose of leakproofness between access door and the casing, avoid appearing the condition of gas leakage.

Drawings

In order to more clearly illustrate the embodiments of the present 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, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic elevational view of a cleaning mechanism according to the present utility model;

FIG. 3 is a schematic view of a partial side cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of a three-dimensional structure of a filter screen according to the present utility model;

fig. 5 is a schematic cross-sectional elevation view of a seal structure according to the present utility model.

Reference numerals in the drawings illustrate: 1. a housing; 2. an air inlet; 3. a cleaning mechanism; 301. a bracket; 302. a driving motor; 303. a brush; 304. a fixing bolt; 305. a rotating shaft; 4. a filter screen; 5. a disassembly and assembly structure; 501. a positioning groove; 502. a clamping groove; 503. a clamping block; 504. a positioning block; 6. an air outlet; 7. a gas analyzer body; 8. an air intake line; 9. a sealing structure; 901. a sealing gasket; 902. a limit groove; 903. a limit spring; 10. an access door.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-5, the prefilter structure for a gas analyzer provided by the utility model comprises a housing 1, a filter screen 4 and a gas analyzer body 7, wherein one side of the gas analyzer body 7 is provided with a gas inlet pipeline 8, the housing 1 is arranged on one side of the gas inlet pipeline 8, one side of the housing 1 is provided with a gas outlet 6, the other side of the housing 1 is provided with a gas inlet 2, the top end of the housing 1 is provided with an access door 10, the filter screen 4 is arranged in the housing 1, the bottom end of the filter screen 4 is provided with a dismounting structure 5, the dismounting structure 5 comprises a positioning groove 501, a clamping groove 502, a clamping block 503 and a positioning block 504, the positioning block 504 is arranged at the top and the bottom of the two ends of the filter screen 4, the clamping block 503 is arranged at the bottom end of the filter screen 4, the clamping groove 502 is arranged on the inner wall of the bottom end of the interior of the housing 1, the positioning groove 501 is arranged at the top and the bottom of the two ends of the interior of the housing 1, the inner diameter of the positioning groove 501 is larger than the outer diameter of the positioning block 504, the positioning groove 501 and the positioning block 504 form a sliding structure, the clamping block 503 is matched with the size of the clamping block 502, and the clamping block 503 and the clamping block 502 forms a clamping structure with the clamping structure.

In this embodiment, during the use, link together gas outlet 6 and air inlet line 8, gas gets into in the casing 1 by air inlet 2, in the gas analyzer body 7 is got into by gas outlet 6 after filtering through filter screen 4, can carry out the analysis to gas through gas analyzer body 7, when filter screen 4 needs to be changed, open access door 10, upwards pull filter screen 4, locating piece 504 withdraws from constant head tank 501, fixture block 503 and draw-in groove 502 are loose each other, remove the fixed restriction to filter screen 4, take out filter screen 4 from casing 1, so that change filter screen 4.

Example two

The embodiment further includes: the top of casing 1 inside is provided with seal structure 9, and seal structure 9 is including sealed 901, spacing groove 902 and spacing spring 903, and spacing groove 902 all sets up on the inner wall on the inside both sides top of casing 1, and spacing spring 903 is evenly installed to the inside of spacing groove 902, and sealed 901 is all installed to the one end of spacing spring 903, and the one end setting of sealed 901 is in the inside of spacing groove 902, and sealed 901 constitutes extending structure with spacing spring 903.

One side of casing 1 inside is provided with clearance mechanism 3, clearance mechanism 3 is including support 301, driving motor 302, brush 303, fixing bolt 304 and pivot 305, and one side at casing 1 is installed to support 301, and driving motor 302 is installed to one side of support 301, and pivot 305 is installed to one side of driving motor 302, and brush 303 installs in one side of pivot 305, and fixing bolt 304 is all installed at both ends of pivot 305 one side, and fixing bolt 304 is the symmetry setting, and fixing bolt 304 is central symmetry through brush 303 and distributes.

In this embodiment, through spacing spring 903 extrusion sealing pad 901 for sealing pad 901 and the inseparable laminating of access door 10 can improve the leakproofness between access door 10 and the casing 1, avoid gas leakage, start driving motor 302, pivot 305 and brush 303 rotate, in the rotatory in-process of brush 303, can clear up dust on filter screen 4, avoid dust too much to cause the condition of filter screen 4 jam.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a gas analysis is prefiltering structure for appearance, includes casing (1), filter screen (4) and gas analysis appearance body (7), its characterized in that: an air inlet pipeline (8) is arranged on one side of the gas analyzer body (7);

the novel air conditioner is characterized in that the shell (1) is arranged on one side of the air inlet pipeline (8), the air outlet (6) is arranged on one side of the shell (1), the air inlet (2) is arranged on the other side of the shell (1), the access door (10) is arranged at the top end of the shell (1), the sealing structure (9) is arranged at the top end of the interior of the shell (1), and the cleaning mechanism (3) is arranged on one side of the interior of the shell (1);

the filter screen (4) is installed in the inside of casing (1), the bottom of filter screen (4) is provided with dismouting structure (5), dismouting structure (5) are including constant head tank (501), draw-in groove (502), fixture block (503) and locating piece (504), top and bottom at filter screen (4) both ends are all installed to locating piece (504), the bottom at filter screen (4) is installed to fixture block (503), draw-in groove (502) set up on the inner wall of the inside bottom of casing (1), top and bottom at the inside both ends of casing (1) are all installed to constant head tank (501).

2. A prefilter structure for a gas analyzer as defined in claim 1, wherein: the cleaning mechanism (3) comprises a support (301), a driving motor (302), a brush (303), fixing bolts (304) and a rotating shaft (305), wherein the support (301) is arranged on one side of the inside of the shell (1), the driving motor (302) is arranged on one side of the support (301), the rotating shaft (305) is arranged on one side of the driving motor (302), the brush (303) is arranged on one side of the rotating shaft (305), and the fixing bolts (304) are arranged at two ends of one side of the rotating shaft (305).

3. A prefilter structure for a gas analyzer as defined in claim 2, wherein: the fixing bolts (304) are symmetrically arranged, and the fixing bolts (304) are distributed in a central symmetry mode through the hairbrushes (303).

4. A prefilter structure for a gas analyzer as defined in claim 1, wherein: the inner diameter of the positioning groove (501) is larger than the outer diameter of the positioning block (504), and the positioning groove (501) and the positioning block (504) form a sliding structure.

5. A prefilter structure for a gas analyzer as defined in claim 1, wherein: the clamping block (503) is matched with the clamping groove (502) in size, and the clamping block (503) and the clamping groove (502) form a clamping structure.

6. A prefilter structure for a gas analyzer as defined in claim 1, wherein: seal structure (9) are including sealed pad (901), spacing groove (902) and spacing spring (903), spacing groove (902) all set up on the inner wall on the inside both sides top of casing (1), spacing spring (903) are evenly installed to the inside of spacing groove (902), and sealed pad (901) are all installed to the one end of spacing spring (903).

7. The prefilter structure for a gas analyzer of claim 6, wherein: one end of the sealing gasket (901) is arranged in the limiting groove (902), and the sealing gasket (901) and the limiting spring (903) form a telescopic structure.