CN220671368U - Air filter for gas analyzer - Google Patents

Abstract

The utility model discloses an air filtering device for a gas analyzer, which comprises a filtering box body, wherein a rectangular groove is formed in the center of the top of the filtering box body, an installation groove is formed in the inner side of the rectangular groove, a sealing plate is arranged in the inner side of the rectangular groove, a rotating shaft is rotatably connected to the center of an inner cavity of the sealing plate through a bearing, fixing plates are bolted to two sides of the inner cavity of the sealing plate, sliding rods are bolted to the upper side and the lower side of the two sides of the fixing plates, and springs are sleeved on the surfaces of the sliding rods.

Description

Air filter for gas analyzer

Technical Field

The utility model relates to the technical field of air filtration, in particular to an air filtration device for a gas analyzer.

Background

In many production processes, particularly in the production process where chemical reactions exist, automatic control based on physical parameters such as temperature, pressure, flow rate, etc. is often insufficient, and it is necessary to measure the contents of various components of the gas generated by the reaction using a gas analyzer.

In the process of using the gas analyzer to determine the gas component content, it is required to install air filter at the air inlet for remove the filtration screen of gaseous inside various impurity, avoid impurity to get into in the gas analyzer to cause the interference to its work operation, and the common air filter in market at present, in filter equipment's long-term use, in order to guarantee its filtration performance, consequently, need change its inside filter core, and its inside filter core of current air filter does not have convenient installation dismantlement structure, not only influence the change, the stability of installation is also not high moreover, the efficiency of dismouting is lower, the process of maintenance is very loaded down with trivial details, very influence the abundant filtration to gas. Based on the above problems, we provide an air filtration device for a gas analyzer.

Disclosure of Invention

The utility model aims to provide an air filtering device for a gas analyzer, which has the advantages of being convenient for improving the disassembly and assembly efficiency of a filtering mechanism, being convenient for rapidly overhauling the filtering device and improving the sealing effect of the device, and solves the problems that the existing filtering device is poor in installation stability, low in disassembly and assembly efficiency, complicated in filter screen replacement, low in tightness after disassembly and easy to leak air in the air filtering process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air filter for gas analysis appearance, includes the rose box body, rectangular channel has been seted up at the center at rose box body top, the mounting groove has been seted up to the inboard in rectangular channel, the inboard in rectangular channel is provided with the closing plate, the center in closing plate inner chamber is rotated through the bearing and is connected with the axis of rotation, the both sides bolt of closing plate inner chamber has the fixed plate, the upper and lower bolt of fixed plate both sides has the slide bar, the spring has been cup jointed on the surface of slide bar, the surface sliding connection of slide bar has the movable plate, the outside bolt of movable plate has the picture peg, the inboard of movable plate and the surface of axis of rotation all twine the stay cord, the closing plate has been passed at the top of axis of rotation and has been connected the twist grip, the bolt has the slide rail is arranged to the bottom of closing plate, the inboard of slide rail is provided with filtering mechanism, the constant head tank has been seted up in the bottom arrangement of rose box inner chamber, the inboard of constant head tank and the inboard of mounting groove all paste and have rubber seal pad.

The filter mechanism further comprises a sliding bar, wherein the outer side of the sliding bar is in sliding connection with the inner side of the sliding rail, the bottom of the sliding bar is bolted with the filter screen plate, and the meshes of the filter screen plate gradually decrease from left to right.

The technical scheme is adopted: the filter screen plate slides in the sliding rail through the sliding strip, so that the filter screen plate can be conveniently and rapidly separated from and connected with the sealing plate.

The utility model is further arranged that the left side of the filter box body is provided with an air inlet.

The technical scheme is adopted: the filtering box body is enabled to suck air into the box body through the air inlet.

The utility model is further arranged that the right side of the filter box body is provided with an air outlet.

The technical scheme is adopted: the filtered gas is discharged from the filtering box body through the air outlet.

The utility model is further arranged that the outer sides of the air inlet and the air outlet are communicated with connecting pipes.

The technical scheme is adopted: the air inlet and the air outlet are mutually connected with the gas analysis instrument through the connecting pipe by the filtering box body.

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

1. according to the utility model, the rotating handle is arranged to rotate so as to drive the rotating shaft to rotate and pull the stay rope, the moving plate and the plugboard, and the spring assembly and the mounting groove are matched, so that the quick-mounting and dismounting functions are realized, the quick-mounting and dismounting of the filter device can be realized in a rotary splicing manner, and the overhaul and replacement efficiency of the filter device is greatly improved;

2. according to the utility model, the positioning groove, the filtering mechanism and the mounting groove are matched with the rubber sealing plate, so that the sealing effect of the device can be effectively improved in a plugging sealing mode, the problem that the sealing performance of the existing filtering device is reduced after the filtering device is disassembled, and air leakage is easy to occur in the air filtering process is avoided, and the practicability of the filtering device is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the overall structure of the present utility model;

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

FIG. 4 is an enlarged view of the structure of FIG. 1A according to the present utility model;

FIG. 5 is an enlarged view of the structure of FIG. 1B according to the present utility model;

fig. 6 is an enlarged view of the structure of fig. 1 at C in accordance with the present utility model.

In the figure: 1. a filter box; 2. rectangular grooves; 3. a mounting groove; 4. a sealing plate; 5. a rotating shaft; 6. a fixing plate; 7. a slide bar; 8. a spring; 9. a moving plate; 10. inserting plate; 11. a pull rope; 12. rotating the handle; 13. a slide rail; 14. a filtering mechanism; 15. a positioning groove; 16. a rubber gasket; 17. an air inlet; 18. an air outlet; 19. a connecting pipe; 141. a slide bar; 142. a filter screen plate.

Detailed Description

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.

Example 1:

referring to fig. 1, 2 and 3, an air filtering device for a gas analyzer comprises a filtering box body 1, wherein a rectangular groove 2 is formed in the center of the top of the filtering box body 1, a mounting groove 3 is formed in the inner side of the rectangular groove 2, a sealing plate 4 is arranged in the inner side of the rectangular groove 2, a rotating shaft 5 is rotatably connected to the center of an inner cavity of the sealing plate 4 through a bearing, fixing plates 6 are bolted to two sides of the inner cavity of the sealing plate 4, sliding rods 7 are bolted to the upper side and the lower side of the fixing plates 6, springs 8 are sleeved on the surfaces of the sliding rods 7, moving plates 9 are slidably connected to the surfaces of the sliding rods 7, insertion plates 10 are bolted to the outer sides of the moving plates 9, pull ropes 11 are wound on the inner sides of the moving plates 9 and the surfaces of the rotating shafts 5, and rotating handles 12 are bolted to the tops of the rotating shafts 5 through the sealing plate 4.

Referring to fig. 1 and 5, the filter mechanism 14 includes a sliding strip 141, the outer side of the sliding strip 141 is slidably connected with the inner side of the sliding rail 13, the bottom of the sliding strip 141 is bolted with a filter screen plate 142, and the mesh holes of the filter screen plate 142 gradually decrease from left to right, and by setting the sliding strip 141 and the filter screen plate 142, the filter screen plate 142 can slide in the sliding rail 13 through the sliding strip 141, so that the filter screen plate 142 is convenient to be quickly separated from and connected with the sealing plate 4.

Referring to fig. 1 and 2, an air inlet 17 is formed on the left side of the filtering box 1, and by providing the air inlet 17, the filtering box 1 can draw air into the box through the air inlet 17.

The use process is briefly described: when the filter mechanism 14 needs to be replaced, the rotating handle 12 is rotated firstly, the rotating handle 12 drives the rotating shaft 5 to rotate after rotating, the moving plate 9 is pulled by the pull rope 11 to move the moving plate 9 inwards through the sliding rod 7 when the rotating shaft 5 rotates, the moving plate 9 moves inwards to drive the inserting plate 10 to withdraw from the mounting groove 3 until the outer side of the inserting plate 10 is parallel to the two sides of the sealing plate 4, finally the sealing plate 4 is taken out, at the moment, the spring 8 pushes the moving plate 9 through the self elastic force to push the inserting plate 9 to push the inserting plate 10 to reset, and the filter mechanism 14 is bolted with the sealing plate 4, after the sealing plate 4 is pulled out, the filter mechanism 14 is pulled out along with the belt, at the moment, the filter screen 142 is pulled out for cleaning through the sliding rail 13 and the sliding strip 141, the filter screen 142 is reloaded into the sliding rail 13 at the bottom of the sealing plate 4 after cleaning, the rotating handle 12 is rotated again, and the sealing plate 4 is reinserted into the top of the filter box 1, and the installation is completed.

Example 2:

referring to fig. 1, 2, 5 and 6, an air filtering device for a gas analyzer includes a sealing plate 4, a sliding rail 13 is arranged at the bottom of the sealing plate 4, a filtering mechanism 14 is arranged at the inner side of the sliding rail 13, a positioning groove 15 is arranged at the bottom of the inner cavity of the filtering box 1, and rubber sealing gaskets 16 are respectively attached to the inner side of the positioning groove 15 and the inner side of the mounting groove 3.

Referring to fig. 1 and 2, an air outlet 18 is formed on the right side of the filtering box 1, and the filtered air can be discharged from the filtering box 1 through the air outlet 18 by providing the air outlet 18.

Referring to fig. 1 and 2, the outer sides of the air inlet 17 and the air outlet 18 are respectively connected with a connecting pipe 19, and by arranging the connecting pipes 19, the filtering box 1 can connect the air inlet 17 and the air outlet 18 with a gas analysis instrument through the connecting pipes 19.

The use process is briefly described: the inner sides of the positioning groove 15 and the mounting groove 3 are respectively provided with the rubber sealing gasket 16, when the inserting plate 10 is inserted into the mounting groove 3, the two sides of the inserting plate 10 are attached to the sealing gaskets, the inner sides of the positioning groove 15 are attached to the bottoms of the filter screen plates 142, the inner sealing performance is improved through the sealing gaskets when the filter screen plates 142 are rapidly positioned, and air at the air inlet can be fully filtered through each filter screen plate 142 while air leakage is prevented.

Although embodiments of the present 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Air filter device for gas analysis appearance, including filtration box (1), its characterized in that: rectangular channel (2) have been seted up at the center at filter tank (1) top, mounting groove (3) have been seted up to the inboard of rectangular channel (2), the inboard of rectangular channel (2) is provided with closing plate (4), the center in closing plate (4) inner chamber is rotated through the bearing and is connected with axis of rotation (5), the both sides bolt of closing plate (4) inner chamber has fixed plate (6), the upper and lower bolt of fixed plate (6) both sides has slide bar (7), spring (8) have been cup jointed on the surface of slide bar (7), the surface sliding connection of slide bar (7) has movable plate (9), the outside of movable plate (9) has peg (10), the inboard of movable plate (9) and the surface of axis of rotation (5) all twine stay cord (11), the top of axis of rotation (5) is passed closing plate (4) bolt and is connected with turning handle (12), the bottom of closing plate (4) is arranged and is bolted slide rail (13), the inboard of slide rail (13) is provided with filtering mechanism (14), the surface sliding bar (7) has cup jointed spring (8), the surface sliding connection of slide bar (7) has movable plate (9) and the inside of inner chamber (15) is arranged with the constant head tank (15), and is sealed up to be arranged with the constant head tank (16).

2. An air filter device for a gas analyzer according to claim 1, wherein: the filter mechanism (14) comprises a slide bar (141), the outer side of the slide bar (141) is in sliding connection with the inner side of the slide rail (13), the bottom of the slide bar (141) is bolted with a filter screen plate (142), and the meshes of the filter screen plate (142) are gradually reduced from left to right.

3. An air filter device for a gas analyzer according to claim 1, wherein: an air inlet (17) is formed in the left side of the filtering box body (1).

4. An air filter device for a gas analyzer according to claim 3, wherein: an air outlet (18) is formed in the right side of the filtering box body (1).

5. An air filter device for a gas analyzer according to claim 4, wherein: the outsides of the air inlet (17) and the air outlet (18) are respectively communicated with a connecting pipe (19).