CN215941015U

CN215941015U - Ventilation unit that animal laboratory was used

Info

Publication number: CN215941015U
Application number: CN202122328693.5U
Authority: CN
Inventors: 张玲玲
Original assignee: Jiangsu Weilan Medical Technology Co ltd
Current assignee: Jiangsu Weilan Medical Technology Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-03-04
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a ventilation device for an animal laboratory, and particularly relates to the technical field of laboratory ventilation. According to the utility model, through the integral design, the L-shaped pipes on the branch pipes are distributed above the place with heavy pollution in the laboratory, the inside of the ventilating duct is divided into two cavities by the partition plate, the driving motor drives the driving movable blades on one group of the rotating rods to rotate, so that the air in the room flows out to the outside, and drives the other group of the reverse driving blades to rotate, and further the fresh air outside the room is guided into the room and blown out to the room along the air inlet on the air inlet pipe, so that the air circulation in the room is driven, the discharge of the dirty air in the laboratory is accelerated, and the multifunctional ventilating duct has high practicability.

Description

Ventilation unit that animal laboratory was used

Technical Field

The utility model relates to the technical field of ventilation in laboratories, in particular to a ventilation device for an animal laboratory.

Background

Experiment, refers to one of the basic methods of scientific research. According to the purpose of scientific research, the external influence is eliminated as much as possible, main factors are highlighted, and a research object is artificially reformed, controlled or simulated by using some special instruments and equipment, so that some things (or processes) occur or reappear, natural phenomena, natural properties and natural laws are known, when an animal is tested, the operation is required to be carried out indoors, and a ventilation device fixed on a wall is arranged in a common animal laboratory, so that the odor emitted by the animal is discharged.

However, in actual use, the existing laboratory has many defects, a general laboratory space is relatively large, and a certain odor is generated in an animal experiment.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide a ventilation device for animal laboratories, in which through an overall design, L-shaped pipes on a branch pipe are distributed above a place with heavy pollution in a laboratory, a partition plate divides the interior of a ventilation cylinder into two cavities, and a driving motor drives a driving blade on one set of rotating rods to rotate, so as to flow air in the room to the outside and drive the other set of opposite driving blades to rotate, so as to guide fresh air outside the room into the room, and blow the fresh air into the room along an air inlet on an air inlet pipe, thereby driving air circulation in the room, and accelerating discharge of dirty air in the laboratory, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a ventilation device for an animal laboratory comprises a ventilation funnel, wherein a partition plate is arranged inside the ventilation funnel, a drainage piece is arranged inside the ventilation funnel, a filter screen is arranged at one end of the ventilation funnel, a fastening piece is arranged outside the ventilation funnel, an air exhaust piece is arranged at the other end of the ventilation funnel, an air inlet pipe is arranged below the air exhaust piece, and a plurality of groups of air inlets are arranged on the side surface of the air inlet pipe at equal intervals;

the drainage piece comprises a fixed support, a driving motor is fixedly arranged on the fixed support, a rotating rod is arranged at the driving end of the driving motor, a driving blade is arranged outside the rotating rod, a moving gear is fixedly arranged on the rotating rod, a linkage gear is meshed below the moving gear, and a linkage rod is arranged on the linkage gear;

the air exhaust part comprises a main pipe, a plurality of groups of branch pipes are arranged on the side surface of the main pipe, a plurality of groups of butt joints are arranged on the branch pipes, and L-shaped pipes are arranged on the butt joints.

In a preferred embodiment, the linkage rod penetrates through the partition plate, another set of rotating rod, a moving gear and two sets of driving blades are arranged at the other end of the linkage rod, and the directions of the two sets of driving blades are distributed in opposite directions.

In a preferred embodiment, a partition on the chimney divides it into two separate cavities.

In a preferred embodiment, the L-shaped pipe is connected with the butt joint on the branch pipe through threads, and a dust filter screen is arranged inside the L-shaped pipe.

In a preferred embodiment, the fastening member includes a fastening plate, a fixing frame is fixedly disposed on a side surface of the fastening plate, a positioning rod is embedded in the fixing frame, a return spring is mounted inside the fixing frame, a limiting seat is disposed at one end of the positioning rod, and the limiting seat is fixedly connected with the ventilation duct.

In a preferred embodiment, a buffer rubber pad is fixedly bonded on the inner side wall of the clamping plate, and anti-skid lines are arranged on the buffer rubber pad.

The utility model has the technical effects and advantages that:

1. according to the utility model, through the integral design, the L-shaped pipes on the branch pipes are distributed above the place with heavy pollution in the laboratory, the inside of the ventilating duct is divided into two cavities by the partition plate, the driving motor drives the main movable blades on one group of the rotating rods to rotate, so that the air in the room flows out to the outside, and drives the other group of the reverse driving blades to rotate, further the fresh air outside the room is guided into the room and blown out to the room along the air inlet on the air inlet pipe, thus the air circulation in the room is driven, the discharge of the dirty air in the laboratory is accelerated, and the multifunctional ventilating duct has higher practicability;

2. according to the utility model, the fastening piece is arranged, the clamping plates are placed at the positions of the preformed holes on the wall, the positioning rod is pressed downwards, the ventilating duct is placed at the position between the two clamping plates, when the ventilating duct is placed at the specified position, the compressed return spring and the positioning rod are loosened, and the return spring in the fixing frame can be inserted into the limiting seat, so that the ventilating duct is quickly limited and fixed, the whole device is convenient to disassemble and assemble indoors by people, and the external filter screen is convenient to clean and maintain.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the air extracting member of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic structural view of a portion B of fig. 1 according to the present invention.

The reference signs are: the air inlet device comprises a ventilation cylinder 1, a partition plate 2, a flow guide part 3, a fixing support 31, a driving motor 32, a rotating rod 33, a driving movable blade 34, a moving gear 35, a linkage gear 36, a linkage rod 37, a filter screen 4, a fastening piece 5, a clamping plate 51, a fixing frame 52, a positioning rod 53, a return spring 54, a limiting seat 55, an air extraction part 6, a main pipe 61, a branch pipe 62, a butt joint 63, a 64L-shaped pipe, an air inlet pipe 7 and an air inlet 8.

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.

The ventilation device for the animal laboratory shown in the attached figures 1-4 comprises a ventilation tube 1, a partition plate 2, a drainage piece 3, a fixed support 31, a driving motor 32, a rotating rod 33, a driving blade 34, a moving gear 35, a linkage gear 36, a linkage rod 37, a filter screen 4, a fastening piece 5, a clamping plate 51, a fixed support 52, a positioning rod 53, a return spring 54, a limit seat 55, an air extraction piece 6, a main tube 61, a branch tube 62, a butt joint 63, an L-shaped tube 64, an air inlet tube 7 and an air inlet 8, a baffle plate 2 is arranged inside the ventilating duct 1, a drainage piece 3 is arranged inside the ventilating duct 1, a filter screen 4 is arranged at one end of the air funnel 1, a fastening piece 5 is arranged outside the air funnel 1, the other end of the ventilating duct 1 is provided with an air exhaust part 6, an air inlet pipe 7 is arranged below the air exhaust part 6, and a plurality of groups of air inlets 8 are arranged on the side surface of the air inlet pipe 7 at equal intervals;

the drainage piece 3 comprises a fixed support 31, a driving motor 32 is fixedly arranged on the fixed support 31, a rotating rod 33 is arranged at the driving end of the driving motor 32, a driving blade 34 is arranged outside the rotating rod 33, a driving gear 35 is fixedly arranged on the rotating rod 33, a linkage gear 36 is arranged below the driving gear 35 in a meshed mode, and a linkage rod 37 is arranged on the linkage gear 36;

the air exhaust part 6 comprises a main pipe 61, a plurality of groups of branch pipes 62 are arranged on the side surface of the main pipe 61, a plurality of groups of butt joints 63 are arranged on the branch pipes 62, and L-shaped pipes 64 are arranged on the butt joints 63.

Further, the linkage rod 37 penetrates through the partition board 2, another set of rotating rod 33, a moving gear 35 and a driving blade 34 are arranged at the other end of the linkage rod 37, the directions of the two sets of driving blades 34 are distributed in opposite directions, so that the two sets of driving blades 34 distributed in opposite directions drive air to flow, on one hand, the air is transmitted to the outside from the inside of the room, and on the other hand, the air is transmitted to the inside of the room from the outside of the room.

Furthermore, the partition board 2 on the ventilating duct 1 divides the ventilating duct into two independent cavities, so that two cavities are formed, and indoor air and outdoor air can circulate conveniently.

Furthermore, the L-shaped pipe 64 is in threaded connection with the butt joint 63 on the branch pipe 62, and a dust filter net is arranged inside the L-shaped pipe 64, so that people can conveniently rotate the L-shaped pipe 64 to clean and maintain the L-shaped pipe.

Further, the fastening member 5 includes a fastening plate 51, a fixing frame 52 is fixedly disposed on a side surface of the fastening plate 51, a positioning rod 53 is embedded in the fixing frame 52, a return spring 54 is mounted inside the fixing frame 52, a limiting seat 55 is disposed at one end of the positioning rod 53, and the limiting seat 55 is fixedly connected with the ventilation duct 1.

Further, a buffer rubber pad is fixedly bonded on the inner side wall of the clamping plate 51, and anti-skid grains are arranged on the buffer rubber pad.

The working principle of the utility model is as follows:

referring to the attached

drawings

1, 2, 3 and 4 in the specification, the clamping plates 51 are placed at the positions of the reserved holes in the wall, the positioning rods 53 are pressed downwards, the ventilating duct 1 is immediately placed at the position between the two groups of clamping plates 51, when the ventilating duct 1 is placed at a specified position, the compressed reset springs 54 and the positioning rods 53 are loosened, the reset springs 54 in the fixing frames 52 are inserted into the limiting seats 55, so that the ventilating duct 1 is quickly limited and fixed, people can conveniently disassemble and assemble the whole device indoors, and the external filter screen 4 can be conveniently cleaned and maintained;

secondly, observe according to the condition in the laboratory, distribute L venturi tube 64 in branch pipe 62 in the place top that the laboratory pollutes more heavily, because baffle 2 separates draft tube 1 internal partitioning for two cavitys, driving motor 32 drives the main movable vane 34 on one of them group dwang 33 and rotates, thereby draw the air in the room, along L venturi tube 64, branch pipe 62, be responsible for 61 and flow out to the external world, the effect of cooperation moving gear 35, linkage gear 36, gangbar 37, thereby drive another reverse main movable vane 34 and rotate, and then guide the fresh air in the room to the room, blow off to the room along air inlet 8 on the intake pipe 7, thereby draw the air circulation in the room, the discharge of dirty air in the laboratory has been accelerated.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A ventilation unit that animal laboratory was used, includes draft tube (1), its characterized in that: a partition plate (2) is arranged inside the ventilating duct (1), a drainage piece (3) is arranged inside the ventilating duct (1), a filter screen (4) is arranged at one end of the ventilating duct (1), a fastening piece (5) is arranged outside the ventilating duct (1), an air suction piece (6) is arranged at the other end of the ventilating duct (1), an air inlet pipe (7) is arranged below the air suction piece (6), and a plurality of groups of air inlets (8) are equidistantly arranged on the side surface of the air inlet pipe (7);

the drainage piece (3) comprises a fixed support (31), a driving motor (32) is fixedly arranged on the fixed support (31), a rotating rod (33) is arranged at the driving end of the driving motor (32), a driving blade (34) is arranged outside the rotating rod (33), a moving gear (35) is fixedly arranged on the rotating rod (33), a linkage gear (36) is arranged below the moving gear (35) in a meshed mode, and a linkage rod (37) is arranged on the linkage gear (36);

the air exhaust part (6) comprises a main pipe (61), a plurality of groups of branch pipes (62) are arranged on the side surface of the main pipe (61), a plurality of groups of butt joints (63) are arranged on the branch pipes (62), and L-shaped pipes (64) are installed on the butt joints (63).

2. A ventilation device for an animal laboratory according to claim 1, wherein: the linkage rod (37) penetrates through the partition plate (2), the other end of the linkage rod (37) is provided with another group of rotating rods (33), moving gears (35) and driving movable blades (34), and the directions of the driving movable blades (34) are distributed in the opposite direction.

3. A ventilation device for an animal laboratory according to claim 1, wherein: the air funnel (1) is divided into two independent cavities by a partition plate (2).

4. A ventilation device for an animal laboratory according to claim 1, wherein: the L-shaped pipe (64) is in threaded connection with the butt joint (63) on the branch pipe (62), and a dust filter screen is arranged inside the L-shaped pipe (64).

5. A ventilation device for an animal laboratory according to claim 1, wherein: the fastening piece (5) comprises a clamping plate (51), a fixing frame (52) is fixedly arranged on the side surface of the clamping plate (51), a positioning rod (53) is embedded into the fixing frame (52), a return spring (54) is arranged inside the fixing frame (52), a limiting seat (55) is arranged at one end of the positioning rod (53), and the limiting seat (55) is fixedly connected with the ventilating duct (1).

6. A ventilation device for an animal laboratory according to claim 5, wherein: the inside wall of cardboard (51) is fixed to bond has the buffering cushion, be provided with anti-skidding line on the buffering cushion.