CN214148218U

CN214148218U - Vent structure is used in laboratory

Info

Publication number: CN214148218U
Application number: CN202120118980.0U
Authority: CN
Inventors: 田佳
Original assignee: Beijing Ming Yu Bai Jia Co ltd
Current assignee: Beijing Ming Yu Bai Jia Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-07
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a vent structure for laboratory, which belongs to the technical field of laboratory vents, comprising a wall body and a filter box arranged in the wall body, wherein the wall body comprises a mounting groove, a vent hole and a fixed hole, the filter box is arranged in the mounting groove of the wall body through a fixing mechanism, the vent hole is arranged at the bottom of the mounting groove and is communicated with the back of the filter box, and the fixed hole is arranged on the inner wall of the top of the mounting groove and corresponds to the position of a fixed block of a mounting position of the filter box; this device promotes the fixed block at second magnet and top for the same magnetic pole repulsion force of magnetism through first magnet and second magnet looks proximal surface and stretches out to play quick fixed effect to the rose box, when needs are demolishd, through manual pressing the telescopic link, the telescopic link promotes first magnet and moves left, and the repulsion force weakens gradually, makes the fixed block at second magnet and top can move downwards gradually under the action of gravity, until breaking away from the fixed orifices, the staff of being convenient for clears up.

Description

Vent structure is used in laboratory

Technical Field

The utility model relates to a laboratory vent technical field specifically is a vent structure is used in laboratory.

Background

Laboratory ventilation is an integral part of laboratory design. In order for laboratory workers not to inhale or swallow some toxic, pathogenic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory. To prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the pollutants must be removed by fume hoods, ventilation hoods or local ventilation.

The rose box majority of current laboratory vent is that the direct mount is fixed on the wall body, and the dismouting is inconvenient, needs to change inside filter core and filter screen and inconvenient operation when clearing up, for the maintenance of convenient later stage vent, needs to design a laboratory vent structure that makes things convenient for the dismouting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vent structure is used in laboratory to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a vent structure for a laboratory comprises a wall body and a filter box arranged in the wall body, wherein the wall body comprises a mounting groove, a vent hole and a fixing hole, the filter box is arranged in the mounting groove of the wall body through a fixing mechanism, the vent hole is formed in the bottom of the mounting groove and is communicated with the back of the filter box, the fixing hole is formed in the inner wall of the top of the mounting groove and corresponds to the position of a fixing block of a mounting position of the filter box, two first springs are arranged at the bottom of the mounting groove, and first magnets are fixed at the end parts of the first springs; the rose box includes frame body, dismouting groove, telescopic link, second spring and second magnet, the dismouting trench is located inside the frame body of rose box, and the position size corresponds first spring and first magnet setting, first magnet stretches into the inside in dismouting groove and is located the second magnet under, the looks proximal surface of first magnet and second magnet is two magnetic poles that magnetism is the same, second magnet passes through the stopper to be fixed at the dismouting inslot portion, and forms sliding connection with the cell wall, the top of second magnet links to each other with the fixed block.

As a further aspect of the present invention: the inner part of the dismounting groove on the right side of the first magnet is slidably connected with a telescopic rod, a second spring is sleeved on the outer side of the telescopic rod, and the second spring is installed inside the dismounting groove through a limiting block.

As a further aspect of the present invention: the filter box also comprises a guide plate, wherein the guide plate is provided with a plurality of groups and is rotatably connected with the frame body of the filter box.

As a further aspect of the present invention: the rose box still includes filter screen and filter pulp, filter pulp sets up the position of the back and the contact of ventilation hole at the rose box, and filter pulp's right side is equipped with the filter screen.

As a further aspect of the present invention: the handle is arranged under the part of the telescopic rod extending out of the frame body.

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

this device promotes the fixed block at second magnet and top for the same magnetic pole repulsion force of magnetism through first magnet and second magnet looks proximal surface and stretches out, thereby play quick fixed effect to the rose box, when needs are demolishd, through the manual telescopic link that presses, the telescopic link promotes first magnet and moves left, because first magnet and second magnet misplace gradually, the repulsion force weakens gradually, make the fixed block at second magnet and top can be downstream gradually under the action of gravity, until breaking away from the fixed orifices, thereby make the structure can satisfy quick assembly disassembly's operation requirement, the staff of being convenient for clears up.

Drawings

Fig. 1 is a schematic structural diagram of a filter box with a ventilation opening structure for a laboratory.

Fig. 2 is a schematic view of a combined cross-sectional structure of a vent structure for a laboratory.

Fig. 3 is a partial schematic view of fig. 2 in a laboratory vent configuration.

In the figure: 1-wall body, 11-mounting groove, 12-vent hole, 13-fixing hole, 14-first spring, 15-first magnet, 2-filter box, 21-frame body, 22-dismounting groove, 23-telescopic rod, 24-second spring, 25-second magnet, 26-fixing block, 27-limiting block, 3-guide plate, 4-filter screen, 5-filter cotton and 6-handle.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Referring to fig. 1 to 3, in an embodiment of the present invention, a vent structure for a laboratory includes a wall 1 and a filter box 2 disposed inside the wall 1, where the wall 1 includes a mounting groove 11, a vent hole 12 and a fixing hole 13, the filter box 2 is mounted inside the mounting groove 11 of the wall 1 through a fixing mechanism, the vent hole 12 is disposed at the bottom of the mounting groove 11 and is communicated with the back of the filter box 2, the fixing hole 13 is disposed on an inner wall of the top of the mounting groove 11 and corresponds to a position of a fixing block 26 of a mounting position of the filter box 2, two first springs 14 are disposed at the bottom of the mounting groove 11, and a first magnet 15 is fixed at an end of the first spring 14; the filter box 2 comprises a frame body 21, a dismounting groove 22, a telescopic rod 23, a second spring 24 and a second magnet 25, the dismounting groove 22 is located inside the frame body 21 of the filter box 2, the position and the size of the dismounting groove correspond to the arrangement of the first spring 14 and the first magnet 15, the first magnet 15 extends into the dismounting groove 22 and is located under the second magnet 25, the adjacent surfaces of the first magnet 15 and the second magnet 25 are two magnetic poles with the same magnetism, the second magnet 25 is fixed inside the dismounting groove 22 through a limiting block 27 and is in sliding connection with the groove wall, and the top of the second magnet 25 is connected with a fixing block 26.

In this embodiment, when this device is in use, the staff manually lifts up filter box 2, and install filter box 2 from mounting groove 11, after filter box 2 reachd the bottom of mounting groove 11, first spring 14 and first magnet 15 stretched into the inside of filter box 2, and first magnet 15 stretched into the inside of dismouting groove 22 and was located the second magnet 25 directly under, because the adjacent surface of first magnet 15 and second magnet 25 is two magnetic poles that magnetism is the same, produce the repulsion force between two magnets, promote second magnet 25 and the fixed block 26 at top and stretch out, thereby the card is gone into fixed orifices 13, fixes filter box 2.

Referring to fig. 3, as a preferred embodiment of the present invention, a telescopic rod 23 is slidably connected inside the detachable groove 22 on the right side of the first magnet 15, a second spring 24 is sleeved outside the telescopic rod 23, and the second spring 24 is installed inside the detachable groove 22 through a limiting block 27.

In this embodiment, when the filter box 2 is used for a long time and the filter element and the filter screen inside the filter box 2 need to be replaced and cleaned, the worker holds the handle 6 with both hands at this time, and presses the telescopic rod 23 with fingers, the telescopic rod 23 moves to the left under the pushing of pressure, so that the first magnet 15 moves to the left to extrude the first spring 14, and at this time, because the first magnet 15 and the second magnet 25 are gradually dislocated and the repulsive force is gradually weakened, the second magnet 25 and the fixing block 26 at the top gradually move downward under the action of gravity until the fixing holes are separated; follow-up staff manually pull out rose box 2 can, loosen the finger, the spring resets again, clears up the back to rose box 2 inside, reinstallates once more.

Referring to fig. 2, as another preferred embodiment of the present invention, the filter box 2 further includes a plurality of guide plates 3, and the guide plates 3 are provided with a plurality of groups and are rotatably connected to the frame body 21 of the filter box 2.

In this embodiment, the guide plate 3 is used for guiding the air flow of the circulating gas in the laboratory, so as to control the ventilation direction in the laboratory.

Referring to fig. 2, as another preferred embodiment of the present invention, the filter box 2 further includes a filter screen 4 and a filter cotton 5, the filter cotton 5 is disposed at a position where the back of the filter box 2 contacts the ventilation hole 12, and the filter screen 4 is disposed on the right side of the filter cotton 5.

In this embodiment, filter screen 4 filters the ventilation air of laboratory vent with filter pulp 5 cooperation, avoids during large granule impurity gets into laboratory internal environment.

Referring to fig. 1, as another preferred embodiment of the present invention, a handle 6 is disposed on the front frame body 21 of the filter box 2, and the handle 6 is disposed under the portion of the telescopic rod 23 extending out of the frame body 21.

In this embodiment, handle 6 is convenient for the staff to carry out dismouting rose box 2.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The utility model provides a vent structure is used in laboratory, includes wall body (1) and sets up filter box (2) inside wall body (1), its characterized in that, wall body (1) includes mounting groove (11), ventilation hole (12) and fixed orifices (13), filter box (2) are installed inside mounting groove (11) of wall body (1) through fixed establishment, ventilation hole (12) set up in the bottom of mounting groove (11), and communicate with the back of filter box (2), fixed orifices (13) set up on the top inner wall of mounting groove (11), and with filter box (2) installation position fixed block (26) position corresponding, the bottom of mounting groove (11) is equipped with two first springs (14), the tip of first spring (14) is fixed with first magnet (15); the filter box (2) comprises a frame body (21), a dismounting groove (22), a telescopic rod (23), a second spring (24) and a second magnet (25), wherein the dismounting groove (22) is located inside the frame body (21) of the filter box (2), the position and the size of the dismounting groove correspond to those of the first spring (14) and the first magnet (15), the first magnet (15) extends into the dismounting groove (22) and is located under the second magnet (25), the adjacent surfaces of the first magnet (15) and the second magnet (25) are two magnetic poles with the same magnetism, the second magnet (25) is fixed inside the dismounting groove (22) through a limiting block (27) and is in sliding connection with the groove wall, and the top of the second magnet (25) is connected with a fixing block (26).

2. The ventilation opening structure for the laboratory according to claim 1, wherein a telescopic rod (23) is slidably connected inside the dismounting groove (22) on the right side of the first magnet (15), a second spring (24) is sleeved outside the telescopic rod (23), and the second spring (24) is installed inside the dismounting groove (22) through a limiting block (27).

3. A laboratory vent structure according to claim 2, wherein the filter box (2) further comprises a guide plate (3), wherein the guide plate (3) is provided with a plurality of groups and is rotatably connected with the frame body (21) of the filter box (2).

4. A vent structure for laboratory according to claim 3, wherein said filter box (2) further comprises a filter screen (4) and a filter cotton (5), said filter cotton (5) is disposed at the position where the back of the filter box (2) contacts with the vent hole (12), and the filter screen (4) is disposed at the right side of the filter cotton (5).

5. A laboratory vent structure according to claim 4, wherein a handle (6) is provided on the front frame body (21) of the filter box (2), and the handle (6) is provided directly below the portion of the telescopic rod (23) extending out of the frame body (21).