CN216048202U

CN216048202U - Gas circulation device for air purification in laboratory

Info

Publication number: CN216048202U
Application number: CN202121833946.8U
Authority: CN
Inventors: 刘其明; 张倩影
Original assignee: Anhui Zhongkehuaheng Environmental Technology Co ltd
Current assignee: Anhui Zhongkehuaheng Environmental Technology Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-03-15
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a gas circulating device for air purification in a laboratory, which comprises a storage cavity, wherein a filter cavity is movably arranged on the inner wall of the storage cavity, a first connecting block is fixedly arranged at one end of the filter cavity, a second connecting block is movably arranged at the other end of the filter cavity, and movable heads are movably arranged on the inner walls of the first connecting block and the second connecting block. According to the utility model, the topmost filter cavity is moved downwards, and the filter cavity is made to extrude the bottommost filter cavity downwards, so that the filter cavity drives the movable heads to move towards one end far away from the storage cavity through the first connecting block and the second connecting block until the two movable heads are respectively separated from the inner walls of the first connecting block and the second connecting block, the filter cavity directly falls from the bottom of the storage cavity at the moment, and meanwhile, the first connecting block and the second connecting block at two ends of the other filter cavity are both moved on the surfaces of the movable heads, and the assembly of the other filter cavity is completed, thereby achieving the purpose of facilitating the replacement of the filter cavity.

Description

Gas circulation device for air purification in laboratory

Technical Field

The utility model relates to the technical field of air purification, in particular to a gas circulating device for laboratory air purification.

Background

The laboratory is the place of carrying out the experiment, and the laboratory is scientific cradle, is the base of scientific research, and the source spring of science and technology development plays very important effect to scientific and technology development, and the laboratory can be divided into three types according to the affiliation, and the first type belongs to the university or belongs to the laboratory of university's takeover, and the second type laboratory belongs to national institution, some even international institution, and the third type laboratory directly belongs to the industrial enterprise department, for the development and the research service of industrial technology.

However, in the prior art, the filter element is not convenient to replace in actual use, so that the filter element is blocked after long-time use, and the purification efficiency of the filter element is further influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a gas circulation device for air purification in a laboratory to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: including storing the chamber, the inner wall activity of storing the chamber is provided with the filter chamber, the fixed first connecting block that is provided with of one end of filter chamber, the other end activity of filter chamber is equipped with the second connecting block, the equal activity of inner wall of first connecting block and second connecting block is equipped with movable head, the activity head activity runs through and extends to the outside of storing the chamber, the fixed bellows that is provided with of one end of activity head, two the one end of bellows is equallyd divide and is do not fixed intake pipe and the connecting pipe of being provided with, first air vent has been seted up at the one end middle part of activity head, second air vent has all been seted up at the middle part of first connecting block and second connecting block.

Preferably, the one end fixedly connected with detection case that the bellows position was kept away from to the connecting pipe, the inside of detection case is equipped with air mass sensor, the bottom fixedly connected with circulating pipe of detection case, and circulating pipe fixed connection is at the middle part of intake pipe, the one end fixedly connected with outlet duct that the connecting pipe position was kept away from to the detection case, the rounding off in filter chamber both ends sets up.

Preferably, the middle part of the air outlet pipe is provided with an electromagnetic valve, and the middle part of one end of the circulating pipe corresponding to the position of the air inlet pipe is provided with a one-way valve.

Preferably, a movable groove is formed in the middle of the position, corresponding to the movable head, of the storage cavity, a movable block is fixedly connected to the surface of the position, corresponding to the movable groove, of the movable head, a damping spring is fixedly connected to the surface of the movable block, and the damping spring is fixedly connected to the inner wall of the movable groove.

Preferably, a thread groove is formed in the inner wall of one end, corresponding to the second connecting block, of the filter cavity, and the inner wall of the thread groove is in threaded connection with the surface of the second connecting block.

Preferably, the first filter core and the second filter core of one end fixedly connected with of the corresponding filter chamber position of second connecting block, the one end fixedly connected with stopper of second connecting block position is kept away from to first filter core and second filter core, the one end fixedly connected with locating lever of the corresponding first connecting block position of stopper, and locating lever fixed connection is on the surface of first connecting block.

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

1. according to the utility model, the topmost filter cavity is moved downwards, and the filter cavity is made to extrude the bottommost filter cavity downwards, so that the filter cavity drives the movable heads to move towards one end far away from the storage cavity through the first connecting block and the second connecting block until the two movable heads are respectively separated from the inner walls of the first connecting block and the second connecting block, at the moment, the filter cavity directly falls from the bottom of the storage cavity, and meanwhile, the first connecting block and the second connecting block at the two ends of the other filter cavity are both moved on the surfaces of the movable heads, so that the assembly of the other filter cavity is completed, and the purpose of facilitating the replacement of the filter cavity is realized;

2. the filter cavity is also in threaded connection with the inner wall of the filter cavity through the second connecting block, so that the second connecting block can drive the first filter element and the second filter element to be separated from the filter cavity, the first filter element and the second filter element are convenient to clean, the position of the second connecting block can be limited by arranging the limiting block and the positioning rod, namely when the positioning rod is attached to the surface of the first connecting block, the position of the second connecting block and the position of the first connecting block are symmetrically arranged about the vertical axis of the midpoint of the filter cavity, and the position of the second connecting block can be positioned.

Drawings

FIG. 1 is a front sectional view showing the overall structure of a gas circulation device for air purification in a laboratory according to the present invention;

FIG. 2 is an enlarged view of a structure A in FIG. 1 of a gas circulation device for air purification in a laboratory according to the present invention;

FIG. 3 is a front cross-sectional view of a filter chamber structure of a gas circulation device for laboratory air purification according to the present invention.

In the figure: 1. a storage chamber; 2. a filter chamber; 3. a first connection block; 4. a second connecting block; 5. a movable head; 6. a bellows; 7. an air inlet pipe; 8. a connecting pipe; 9. a detection box; 10. a circulation pipe; 11. an air outlet pipe; 12. a movable groove; 13. a movable block; 14. a damping spring; 15. a first vent hole; 16. a second vent hole; 17. a first filter element; 18. a second filter element; 19. a limiting block; 20. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: including storing chamber 1, the inner wall swing joint who stores chamber 1 has filter chamber 2, the one end fixed mounting of filter chamber 2 has first connecting block 3, the other end activity of filter chamber 2 is equipped with second connecting block 4, the equal activity of the inner wall of first connecting block 3 and second connecting block 4 is equipped with movable head 5, the activity of movable head 5 runs through and extends to the outside of storing chamber 1, the one end fixed mounting that filter chamber 2 position was kept away from to movable head 5 has bellows 6, other fixed mounting is equallyd divide to the one end that two bellows 6 kept away from movable head 5 position has intake pipe 7 and connecting pipe 8, first air vent 15 has been seted up at the one end middle part of the corresponding filter chamber 2 position of activity head 5, second air vent 16 has all been seted up at the middle part of the corresponding first air vent 15 position of first connecting block 3 and second connecting block 4.

One end fixed mounting that bellows 6 position was kept away from to connecting pipe 8 has detection case 9, and the inside of detection case 9 is equipped with air mass sensor, and the bottom fixed mounting of detection case 9 has circulating pipe 10, and circulating pipe 10 fixed mounting is at the middle part of intake pipe 7, and the one end fixed mounting that connecting pipe 8 position was kept away from to detection case 9 has outlet duct 11, the 2 both ends rounding off in filter chamber.

The middle part of the air outlet pipe 11 is provided with an electromagnetic valve, and the middle part of one end of the circulating pipe 10 corresponding to the position of the air inlet pipe 7 is provided with a one-way valve.

The middle part of the storage cavity 1 corresponding to the position of the movable head 5 is provided with a movable groove 12, the surface of the movable head 5 corresponding to the position of the movable groove 12 is fixedly provided with a movable block 13, the surface of the movable block 13 is fixedly provided with a damping spring 14, and the damping spring 14 is fixedly arranged on the inner wall of the movable groove 12.

The inner wall of one end of the filter cavity 2 corresponding to the position of the second connecting block 4 is provided with a thread groove, and the inner wall of the thread groove is in threaded connection with the surface of the second connecting block 4.

A first filter element 17 and a second filter element 18 are fixedly mounted at one end of the second connecting block 4 corresponding to the position of the filter cavity 2, a limiting block 19 is fixedly mounted at one end of the first filter element 17 and the second filter element 18 far away from the position of the second connecting block 4, a positioning rod 20 is fixedly mounted at one end of the limiting block 19 corresponding to the position of the first connecting block 3, and the positioning rod 20 is fixedly mounted on the surface of the first connecting block 3.

The working principle is as follows: when in use, the utility model discloses a place a plurality of filter chambers 2 in the inside of storing chamber 1, and move filter chamber 2 downwards, make the slick and sly setting up at filter chamber 2 both ends drive movable head 5 to keeping away from the one end of storing chamber 1 position and remove, and make movable head 5 drive movable block 13 and remove and extrude damping spring 14 at the inner wall of activity groove 12, until when two movable heads 5 move about respectively at the inner wall of first connecting block 3 and second connecting block 4, under the effect that damping spring 14 resets and stretches at this moment, make damping spring 14 drive movable head 5 through movable block 13 and remove to the inner wall of first connecting block 3 and second connecting block 4, intake pipe 7 this moment, bellows 6, movable head 5 and connecting pipe 8 are linked together through first air vent 15 and second air vent 16, the air of laboratory inside passes through intake pipe 7 through bellows 6 this moment, The movable head 5, the first vent hole 15 and the second vent hole 16 enter the interior of the filter cavity 2 for filtering, the filtered air enters the interior of the detection box 9 through the second vent hole 16, the first vent hole 15, the movable head 5, the corrugated pipe 6 and the connecting pipe 8, when the air quality detection is qualified, the detected air is discharged outwards through the air outlet pipe 11, otherwise, when the detection is unqualified, the detected air enters the interior of the air inlet pipe 7 through the circulating pipe 10 and carries out the filtering operation again, when the filter cavity 2 needs to be replaced, the topmost filter cavity 2 is moved downwards, the bottommost filter cavity 2 is pressed downwards by the filter cavity 2, the filter cavity 2 drives the movable head 5 to move towards one end far away from the position of the storage cavity 1 through the first connecting block 3 and the second connecting block 4 until the two movable heads 5 are respectively separated from the inner walls of the first connecting block 3 and the second connecting block 4, the filter cavity 2 directly falls from the bottom of the storage cavity 1 at the moment, and the first connecting block 3 and the second connecting block 4 at the two ends of the other filter cavity 2 move on the surface of the movable head 5 to complete the assembly of the other filter cavity 2, thereby realizing the purpose of facilitating the replacement of the filter cavity 2, the second connecting block 4 is connected with the inner wall of the filter cavity 2 by screw thread, so that the second connecting block 4 can bring the first filter cartridge 17 and the second filter cartridge 18 apart from the filter chamber 2, thereby facilitating the cleaning of the first filter cartridge 17 and the second filter cartridge 18, and the position of the second connecting block 4 can be limited by arranging the limit block 19 and the positioning rod 20, namely, when the positioning rod 20 is attached to the surface of the first connecting block 3, the position of the second connecting block 4 and the position of the first connecting block 3 are symmetrically arranged about the vertical axis of the midpoint of the filter cavity 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a gas circulating device for laboratory air purification, includes storage chamber (1), its characterized in that: the inner wall activity of storing chamber (1) is provided with filter chamber (2), the fixed first connecting block (3) that is provided with of one end of filter chamber (2), the other end activity of filter chamber (2) is equipped with second connecting block (4), the equal activity of inner wall of first connecting block (3) and second connecting block (4) is equipped with movable head (5), activity head (5) activity runs through and extends to the outside of storing chamber (1), the fixed bellows (6) that are provided with of one end of activity head (5), two the one end of bellows (6) is equallyd divide and is do not fixed intake pipe (7) and connecting pipe (8) of being provided with, first air vent (15) have been seted up at the one end middle part of activity head (5), second air vent (16) have all been seted up at the middle part of first connecting block (3) and second connecting block (4).

2. The gas circulation device for laboratory air purification according to claim 1, wherein: bellows (6) one end fixedly connected with detection case (9) of position are kept away from in connecting pipe (8), the inside of detection case (9) is equipped with air mass sensor, bottom fixedly connected with circulating pipe (10) of detection case (9), and circulating pipe (10) fixed connection are at the middle part of intake pipe (7), one end fixedly connected with outlet duct (11) of connecting pipe (8) position are kept away from in detection case (9), rose cavity (2) both ends rounding off sets up.

3. The gas circulation device for laboratory air purification according to claim 2, wherein: the middle part of the air outlet pipe (11) is provided with an electromagnetic valve, and the middle part of one end of the circulating pipe (10) corresponding to the position of the air inlet pipe (7) is provided with a one-way valve.

4. The gas circulation device for laboratory air purification according to claim 1, wherein: the middle part of the corresponding movable head (5) position of the storage cavity (1) is provided with a movable groove (12), the surface fixed connection of the corresponding movable groove (12) position of the movable head (5) is provided with a movable block (13), the surface fixed connection of the movable block (13) is provided with a damping spring (14), and the damping spring (14) is fixedly connected with the inner wall of the movable groove (12).

5. The gas circulation device for laboratory air purification according to claim 1, wherein: and a thread groove is formed in the inner wall of one end of the filter cavity (2) corresponding to the position of the second connecting block (4), and the inner wall of the thread groove is in threaded connection with the surface of the second connecting block (4).

6. The gas circulation device for laboratory air purification according to claim 1, wherein: the filter comprises a first connecting block (4), a second connecting block (4), a first filter element (17) and a second filter element (18) which are fixedly connected with one end of the corresponding filter cavity (2) of the second connecting block (4), a limiting block (19) which is fixedly connected with one end of the corresponding filter cavity (17) of the second connecting block (4) of the first filter element (17) and the second filter element (18), a positioning rod (20) which is fixedly connected with one end of the corresponding first connecting block (3) of the limiting block (19), and the positioning rod (20) is fixedly connected to the surface of the first connecting block (3).