CN218993581U

CN218993581U - High-efficiency air-supply and-exhaust filtering device for clean laboratory

Info

Publication number: CN218993581U
Application number: CN202223048924.8U
Authority: CN
Inventors: 刘茜茜
Original assignee: Shanghai Lingzhu Electromechanical Engineering Co ltd
Current assignee: Shanghai Lingzhu Electromechanical Engineering Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-05-09
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a clean laboratory air supply and exhaust high-efficiency filter device in the technical field of clean laboratory air supply and exhaust, which comprises an exhaust pipe, wherein mounting grooves A are formed in two sides of the front end surface of the exhaust pipe, U-shaped blocks are arranged on two sides of the inner top end and the bottom end of the exhaust pipe, and the filter device is reasonable in structure.

Description

High-efficiency air-supply and-exhaust filtering device for clean laboratory

Technical Field

The utility model relates to the technical field of air supply and exhaust of clean laboratories, in particular to an air supply and exhaust efficient filter device of a clean laboratory.

Background

Most clean laboratory engineering has pressure difference room requirement, and the air supply quantity and the air exhaust quantity with certain values are maintained through the fan unit and the air conditioner to form pressure difference, but the pressure difference is generally static, if the biosafety cabinet works in the laboratory, the pressure difference is unstable because the biosafety cabinet is provided with an unstable air supply and exhaust function, and in order to stabilize the pressure difference, the laboratory needs to increase the air supply or exhaust device.

The existing high-efficiency filtering device for air supply and exhaust in the clean laboratory has the defects that: when clean laboratory needs send the exhaust air treatment to indoor, it carries out indoor and outdoor air circulation to adopt to send the exhaust pipe to handle usually, because send the exhaust pipe to adopt hollow structure to carry out the air circulation to handle, and clean laboratory needs to keep indoor air clean effect, and then lead to outside air not to carry out under the filtration treatment, carry clean laboratory, can destroy clean laboratory inside air, when carrying out filtration treatment to sending the exhaust pipe simultaneously, usually need adopt the mode of bolt fastening to fix, and install and demolish the processing to the bolt, need the instrument that corresponds to demolish the processing, under the condition that the instrument is not enough, the condition that is difficult to dismantle and install takes place, influence result of use.

It is therefore necessary to develop a clean laboratory ventilation and air exhaust efficient filter device.

Disclosure of Invention

The utility model aims to provide an air supply and exhaust efficient filtering device for a clean laboratory, which is provided with a filtering mechanism, wherein the filtering mechanism is pushed between U-shaped blocks in a sliding manner, so that when an exhaust pipe is required to be subjected to filtering treatment, the filtering mechanism is used for carrying out air filtering treatment, the condition that indoor air is polluted when the air supply and exhaust treatment is carried out in the clean laboratory is effectively avoided, and meanwhile, when the filtering mechanism is pushed between the U-shaped blocks by utilizing the cooperation of a locating pin and a spring, the locating pin is elastically fixed by the cooperation of the spring, so that the dismounting treatment of the filtering mechanism is convenient, the condition that the filtering device is difficult to dismount is effectively avoided, the using effect and the filtering effect of the air supply and exhaust efficient filtering device for the clean laboratory are improved, and the problems that the indoor air is easy to damage and the mounting effect is poor when the air supply and exhaust treatment is carried out in the clean laboratory in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the clean laboratory send and exhaust high-efficiency filtering device comprises an exhaust pipe, wherein mounting grooves A are formed in two sides of the front end face of the exhaust pipe, U-shaped blocks are arranged on two sides of the top and bottom of the interior of the exhaust pipe, mounting grooves B are formed in the lower parts of the outer walls of the two sides of the U-shaped blocks, a mounting plate is mounted on one side of the interior of the mounting groove B, and a filtering mechanism is mounted between two groups of opposite sides of the U-shaped blocks;

the filtering mechanism comprises a moving plate, and sliding blocks are arranged at the top and the bottom of the moving plate.

Preferably, an air inlet pipe is arranged at the center of the bottom of the exhaust pipe, and a sealing ring is arranged on the inner wall of the mounting groove A.

Preferably, the mounting hole has been seted up to the surface central point of mounting panel, the internally mounted of mounting hole has spacing post, the outer wall and the pore wall sliding connection of mounting hole of spacing post, the one end of spacing post is provided with the spacing ring.

Preferably, the other end of the limiting column is provided with a locating pin, the outer wall of the limiting column is provided with a spring, and the spring is located between the locating pin and the mounting plate.

Preferably, the outer wall of slider and the inner wall sliding connection of U type piece, the locating hole has been seted up to the surface central point of slider, mounting groove C has been seted up to the surface central point of movable plate, limiting plate is all installed on inside top and bottom one side of mounting groove C, the filter is installed to the inside opposite side of mounting groove C.

Preferably, the outer wall of filter and the inner wall sliding connection of mounting groove C, one side outer wall top and the below of movable plate all are provided with the connecting rod, rotate on the outer wall of connecting rod and be connected with the stationary blade, the baffle is installed to the preceding terminal surface of movable plate, the outer wall and the inner wall sliding connection of mounting groove A of baffle.

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

through being equipped with filter equipment, push filter equipment with gliding mode between the U type piece, when making the exhaust pipe need carry out filtration treatment, carry out air filtration treatment by filter equipment, effectually avoided clean laboratory to send the condition that the room air received the pollution when airing exhaust treatment to take place, utilize locating pin and spring cooperation simultaneously, when making filter equipment push between the U type piece, carry out elastic fixation by locating pin cooperation spring, thereby make things convenient for filter equipment dismouting to handle, effectually avoided filter equipment dismouting difficult condition to take place, improved clean laboratory and sent the result of use and filter effect of airing exhaust high-efficient filter equipment.

Drawings

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

FIG. 2 is a front view of the present utility model;

FIG. 3 is an enlarged view of the structure shown in FIG. 1;

FIG. 4 is a front cross-sectional view of a filter mechanism provided by the present utility model;

fig. 5 is a perspective view of a part of the structure of the filtering mechanism provided by the utility model.

In the figure: 1. an exhaust pipe; 101. a mounting groove A; 102. an air inlet pipe; 103. a seal ring; 2. a U-shaped block; 201. a mounting groove B; 3. a mounting plate; 301. a mounting hole; 302. a limit column; 303. a limiting ring; 304. a positioning pin; 305. a spring; 4. a filtering mechanism; 401. a moving plate; 402. a slide block; 403. positioning holes; 404. a mounting groove C; 405. a limiting plate; 406. a filter plate; 407. a connecting rod; 408. a fixing piece; 409. and a baffle.

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.

The utility model provides the following technical scheme: the clean laboratory send and exhaust high-efficiency filtering device can effectively carry out filtering treatment when sending and exhausting the clean laboratory in the using process, and adds a filtering mechanism 4, please refer to figures 1-5, the device comprises an exhaust pipe 1, mounting grooves A101 are respectively formed on two sides of the front end surface of the exhaust pipe 1, an air inlet pipe 102 is arranged at the central position of the bottom of the exhaust pipe 1, sealing rings 103 are arranged on the inner wall of the mounting groove A101, U-shaped blocks 2 are respectively arranged on the two sides of the top and the bottom of the inside of the exhaust pipe 1, mounting grooves B201 are respectively formed below the outer walls of the two sides of the U-shaped blocks 2, a mounting plate 3 is arranged on one side of the inside of the mounting groove B201, mounting holes 301 are formed in the central position of the surface of the mounting plate 3, limiting columns 302 are arranged in the inside of the mounting holes 301, the outer walls of the limiting columns 302 are in sliding connection with the walls of the mounting holes 301, the limiting post 302 is arranged in the mounting hole 301 on the mounting plate 3 in a sliding manner, so that the limiting post 302 can slide left and right on the mounting plate 3, one end of the limiting post 302 is provided with a limiting ring 303, the other end of the limiting post 302 is provided with a positioning pin 304, the limiting ring 303 and the positioning pin 304 are arranged on two sides of the mounting plate 3, the limiting post 302 is subjected to limiting treatment by the limiting ring 303 and the positioning pin 304, the limiting post 302 is prevented from being separated from the mounting plate 3, a spring 305 is arranged on the outer wall of the limiting post 302, the spring 305 is positioned between the positioning pin 304 and the mounting plate 3, the spring 305 has an elastic propping effect, the spring 305 keeps the positioning pin 304 in an inward propping state, and a filtering mechanism 4 is arranged between two opposite sides of the two groups of U-shaped blocks 2;

the filter mechanism 4 comprises a movable plate 401, the top and the bottom of the movable plate 401 are respectively provided with a sliding block 402, the outer wall of the sliding block 402 is in sliding connection with the inner wall of the U-shaped block 2, the movable plate 401 is pushed into the space between the two groups of U-shaped blocks 2 on the inside of the exhaust pipe 1 by the sliding block 402 in a sliding manner, so that the movable plate 401 is installed, a positioning hole 403 is formed in the center position of the surface of the sliding block 402, the sliding block 402 presses a positioning pin 304 until a spring 305 contracts in the pushing process of the movable plate 401, the positioning pin 304 is inserted into the positioning hole 403 to achieve the installation and fixation of the movable plate 401, one end of the positioning pin 304 is in a circular arc shape, when the movable plate 401 needs to be pulled out, the positioning pin 304 is forced to be separated from the positioning hole 403, the movable plate 401 can be detached, a limiting plate 405 is arranged on the inner top end and bottom end sides of the mounting groove C404, the filter plate 406 is arranged on the other side of the inside of the installation groove C404, the outer wall of the filter plate 406 is in sliding connection with the inner wall of the installation groove C404, the filter plate 406 is pushed into the installation groove C404 in a sliding manner, the limiting plate 405 is used for limiting treatment, meanwhile, the filter plate 406 can be used for filtering treatment on air, the condition that harmful gas in the air enters a clean laboratory through the exhaust pipe 1 is avoided, connecting rods 407 are arranged above and below the outer wall of one side of the moving plate 401, fixing sheets 408 are rotationally connected to the outer wall of the connecting rods 407, the fixing sheets 408 are rotationally arranged on the outer wall of the connecting rods 407 on the moving plate 401, the fixing sheets 408 can rotate on the outer walls of the connecting rods 407, after the filter plate 406 is installed, the front end face of the filter plate 406 can be clamped tightly by stirring the fixing sheets 408, the installation and fixing treatment on the filter plate 406 can be avoided, the front end face of the movable plate 401 is provided with the baffle 409, the outer wall of the baffle 409 is slidably connected with the inner wall of the installation groove A101, when the movable plate 401 is installed in the exhaust pipe 1, the baffle 409 is clamped into the installation groove A101 on the exhaust pipe 1, and the sealing ring 103 on the inner wall of the installation groove A101 is matched, so that after the movable plate 401 is installed, sealing treatment can be carried out, and the sealing effect of the exhaust pipe 1 is enhanced.

Working principle: in the utility model, when the utility model is used, the mounting plate 3 is mounted in the mounting groove B201 on the surface of the U-shaped block 2, the limiting column 302 is arranged in the mounting hole 301 on the mounting plate 3 in a sliding way, the limiting column 302 can slide left and right on the mounting plate 3, the limiting rings 303 and the locating pins 304 are arranged at two ends of the limiting column 302, the limiting rings 303 and the locating pins 304 are arranged at two sides of the mounting plate 3, the limiting column 302 is limited, the limiting column 302 is prevented from being separated from the mounting plate 3, the spring 305 is arranged on the outer wall of the limiting column 302, the spring 305 is kept in a state of inwards propping the locating pins 304 by utilizing the elastic propping effect of the spring 305, the moving plate 401 on the filtering mechanism 4 is pushed between the two groups of U-shaped blocks 2 on the inner part of the exhaust pipe 1 by the sliding blocks 402, thereby achieving the mounting treatment of the moving plate 401, the positioning holes 403 are formed on the surface of the sliding block 402, so that the sliding block 402 extrudes the positioning pins 304 until the springs 305 shrink during the pushing process of the moving plate 401, the moving plate 401 can be installed and fixed when the positioning pins 304 are inserted into the positioning holes 403, when the moving plate 401 needs to be pulled out, force is applied until the positioning pins 304 are separated from the positioning holes 403, the moving plate 401 can be detached, the limiting plate 405 is fixedly installed on the top end and bottom end sides of the installation groove C404 on the moving plate 401, the filter plate 406 is pushed into the installation groove C404 in a sliding manner, the limiting plate 405 performs limiting treatment, meanwhile, the filter plate 406 can filter air to avoid the occurrence of the condition that harmful gas in the air enters a clean laboratory through the exhaust pipe 1, the fixing plate 408 is rotationally arranged on the outer wall of the connecting rod 407 on the moving plate 401, make stationary blade 408 can rotate on connecting rod 407 outer wall, after filter plate 406 installs, can stir the preceding terminal surface of stationary blade 408 chucking filter 406, can reach and install fixed processing to filter 406, avoid filter 406 to break away from the condition emergence of movable plate 401, through install baffle 409 on the preceding terminal surface with movable plate 401, when waiting to move plate 401 to install in exhaust pipe 1, baffle 409 card is gone into in the mounting groove A101 on the exhaust pipe 1, match sealing washer 103 on the mounting groove A101 inner wall, can carry out sealing treatment after installing movable plate 401, reinforcing exhaust pipe 1's airtight effect, can effectually carry out filtering treatment to the in-process of exhaust pipe 1 dredging air through the filter 406 after the installation, utilize filter 406 to need not instrument dismantlement and installation treatment simultaneously, can conveniently change the washing at any time to filter 406, thereby reach and keep filter 406 filter effect, the condition emergence of filter equipment dismouting difficulty has been effectually avoided, clean laboratory send high-efficient filter equipment's result of use and filter effect.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. Clean laboratory send high-efficient filter equipment of airing exhaust, including exhaust pipe (1), mounting groove A (101) have all been seted up to preceding terminal surface both sides of exhaust pipe (1), the inside top and the bottom both sides of exhaust pipe (1) all are provided with U type piece (2), mounting groove B (201) have all been seted up to the both sides outer wall below of U type piece (2), mounting panel (3) are installed to inside one side of mounting groove B (201), its characterized in that: a filtering mechanism (4) is arranged between the opposite sides of the two groups of U-shaped blocks (2);

the filtering mechanism (4) comprises a moving plate (401), and sliding blocks (402) are arranged at the top and the bottom of the moving plate (401).

2. The clean laboratory ventilation high-efficiency filter device of claim 1, wherein: an air inlet pipe (102) is arranged at the center of the bottom of the exhaust pipe (1), and a sealing ring (103) is arranged on the inner wall of the mounting groove A (101).

3. The clean laboratory ventilation high-efficiency filter device of claim 1, wherein: the mounting plate is characterized in that a mounting hole (301) is formed in the center of the surface of the mounting plate (3), a limiting column (302) is mounted in the mounting hole (301), the outer wall of the limiting column (302) is slidably connected with the hole wall of the mounting hole (301), and a limiting ring (303) is arranged at one end of the limiting column (302).

4. A clean laboratory ventilation high efficiency filter apparatus as claimed in claim 3, wherein: the other end of the limiting column (302) is provided with a locating pin (304), a spring (305) is arranged on the outer wall of the limiting column (302), and the spring (305) is located between the locating pin (304) and the mounting plate (3).

5. The clean laboratory ventilation high-efficiency filter device of claim 1, wherein: the outer wall of slider (402) and the inner wall sliding connection of U type piece (2), locating hole (403) have been seted up to the surface central point of slider (402), mounting groove C (404) have been seted up to the surface central point of movable plate (401), limiting plate (405) are all installed on inside top and bottom one side of mounting groove C (404), filter (406) are installed to inside opposite side of mounting groove C (404).

6. The clean laboratory ventilation high-efficiency filter device of claim 5, wherein: the outer wall of filter (406) and the inner wall sliding connection of mounting groove C (404), one side outer wall top and the below of movable plate (401) all are provided with connecting rod (407), rotate on the outer wall of connecting rod (407) and be connected with stationary blade (408), baffle (409) are installed to the preceding terminal surface of movable plate (401), the outer wall of baffle (409) and the inner wall sliding connection of mounting groove A (101).