CN219549626U

CN219549626U - Biological closed valve with adjustable sealing size

Info

Publication number: CN219549626U
Application number: CN202320650482.XU
Authority: CN
Inventors: 沈露华; 陈路刚; 毛德宝; 袁立宝
Original assignee: Suzhou Guangke Environmental Technology Co ltd
Current assignee: Suzhou Guangke Environmental Technology Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-08-18
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a biological closed valve with adjustable sealing size, which comprises a closed valve main body, wherein one end of the closed valve main body is provided with a door frame, two ventilation openings are formed in the door frame, a closed valve plate is arranged on the ventilation openings, one sides of the two closed valve plates, which are close to each other, are respectively provided with at least one door ear, the door ears are rotationally connected to door ear connecting blocks, the door ear connecting blocks are connected to sliding plates, the sliding plates are slidingly connected to two supporting guide rods, two ends of the supporting guide rods are respectively provided with a first connecting plate and a second connecting plate, the first connecting plate is connected to the door frame, the second connecting plate is connected to a shell of a driving part, the driving part is provided with at least one connecting rod, the other end of the connecting rod is connected to the sliding plate, the upper end and the lower end of the closed valve plate are respectively provided with track plates, and the track plates are connected to the closed valve main body through connecting parts. The utility model can solve the problem that the prior sealing valve equipment can not adjust the distance between the sealing plate and the sealing frame.

Description

Biological closed valve with adjustable sealing size

Technical Field

The utility model relates to the technical field of closed valves, in particular to a biological closed valve with an adjustable sealing size.

Background

The biological sealing valve is mainly used for a ventilation pipeline system of a biological laboratory, and in order to prevent the leakage risk of toxic and harmful gases in the laboratory, the laboratory needs to perform operations such as airtight sterilization, so that the tightness of the ventilation system or protective equipment of the biological sealing valve is ensured when the valve is closed.

The common biological airtight valve adopts the executor to drive rotation axis drive blade to compress tightly sealing gasket, because the rotation axis is fixed, compresses tightly sealed back many times, sealing gasket and blade are out of shape easily, take place the leakage risk easily. The existing sealing valve equipment cannot adjust the distance between the sealing plate and the sealing frame, and the sealing valve equipment has extremely high precision in processing, manufacturing, installation and debugging, so that the sealing valve equipment cannot adjust the position of the sealing plate to ensure the air tightness of the valve when the valve is closed to the maximum extent;

when the biological sealing valve is used under different working conditions, the performance requirements of the sealing gaskets are different, high temperature and high pressure resistance, corrosion, aging and the like are usually required, and the sealing gaskets made of different materials have different hardness and size, so that the conventional sealing valve cannot meet the requirements.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the prior sealing valve equipment cannot adjust the distance between the sealing plate and the sealing frame, the biological sealing valve with adjustable sealing size is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a biological airtight valve of adjustable seal size, its includes airtight valve main part, the one end of airtight valve main part is provided with the door frame, be provided with two vents on the door frame, be provided with airtight valve door plant on the vent, two one side that airtight valve door plant is close to each other is provided with at least one door ear respectively, the door ear rotates to be connected on the door ear connecting block, the door ear connecting block is connected on the sliding plate, sliding plate sliding connection is on two support guide bars, the both ends that support the guide bar are provided with first connecting plate and second connecting plate respectively, first connecting plate is connected on the door frame, the second connecting plate is connected on drive member's shell, be provided with at least one connecting rod on the drive member, the other end of connecting rod is connected on the sliding plate, the upper and lower both ends of airtight valve door plant are provided with the track board respectively, the track board is in through connecting member connection on the airtight valve main part, connecting member is including fixed connection on the track board and connect on the connecting block, wear to be equipped with lock nut on the screw rod, be provided with the guide pulley on the guide pulley.

As a further description of the above technical solution:

the track plate is provided with an adjusting long hole, the adjusting long hole is arranged along the length direction of the track plate, and a bolt is arranged in the adjusting long hole.

As a further description of the above technical solution:

the adjusting long hole is a waist-shaped hole.

As a further description of the above technical solution:

the driving part comprises an electric actuator and a driving shaft, the electric actuator drives the driving shaft to rotate, a swing arm is arranged on the driving shaft, and one end of the swing arm is rotationally connected with the connecting rod.

As a further description of the above technical solution:

the shell is provided with a limiting notch, and the swing arm is positioned in the limiting notch.

As a further description of the above technical solution:

one end of the track plate is provided with a protruding plate extending outwards.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. the utility model discloses a double-open type door opening structure, which is characterized in that the upper end and the lower end of a closed valve plate are respectively connected to a closed valve main body through a track plate, a curved guide groove is arranged on the track plate, an electric actuator drives a driving shaft to rotate, so that the swing arm is driven to rotate, the swing arm pulls a connecting rod to move, a sliding plate slides on a supporting guide rod, the sliding plate pulls the closed valve plate to slide on the track plate, the opening and closing of the closed valve plate are realized, the closed valve plate is connected to the closed valve main body through a connecting part, when the closed valve plate is installed, a screw rod is loosened, a connecting part (not shown) of the connecting block and the closed valve plate is opposite to the connecting part, the screw rod is installed, finally, a locking nut is used for fixing, and the closed valve plate can be moved left and right through the position of the moving locking nut, so that the function of adjusting the distance between the closed valve plate and a door frame is realized, and the tightness of the biological safety closed valve can be ensured after the biological safety closed valve is opened and closed for a plurality of times, and the high reliability and stability of long-term running of equipment are improved.

2. The utility model can be suitable for sealing gaskets with different thickness and sizes under different working conditions, and improves the universality and applicability of products. Meanwhile, the problem of air tightness caused by precision errors in the manufacturing and mounting processes of the valve is solved, and the production difficulty is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a bio-valve with adjustable seal size.

Fig. 2 is a schematic diagram showing the assembly and connection of a sealing valve plate in a bio-sealing valve with adjustable sealing size.

Fig. 3 is a schematic view of the structure of the removable sealing valve plate of fig. 2.

Fig. 4 is a cross-sectional view of a bio-valve with adjustable seal size.

Fig. 5 is a schematic view showing an opened state of a sealing valve plate in a bio-sealing valve with an adjustable sealing size.

Fig. 6 is a schematic view showing a closed state of a sealing valve plate in the bio-sealing valve with an adjustable sealing size.

Fig. 7 is an enlarged view of a portion a in fig. 3.

Legend description:

1. a sealing valve body; 2. a door frame; 21. a vent; 3. a closed valve plate; 4. door ears; 5. a door ear connecting block; 6. a sliding plate; 7. supporting a guide rod; 71. a first connection plate; 72. a second connecting plate; 8. a driving part; 81. an electric actuator; 82. a drive shaft; 9. a housing; 91. limiting notch; 10. a connecting rod; 11. a track plate; 12. a connecting block; 13. a screw; 14. a lock nut; 15. a guide groove; 16. a guide wheel; 17. an adjusting slot; 18. a bolt; 19. swing arms; 20. a protruding 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.

Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a biological airtight valve of adjustable seal size, includes airtight valve main part 1, the one end of airtight valve main part 1 is provided with door frame 2, be provided with two vents 21 on the door frame 2, be provided with airtight valve door plant 3 on the vent 21, two one side that airtight valve door plant 3 is close to each other is provided with at least one door ear 4 respectively, door ear 4 rotates to be connected on door ear connecting block 5, door ear connecting block 5 connects on sliding plate 6, sliding plate 6 sliding connection is on two support guide bars 7, the both ends of support guide bar 7 are provided with first connecting plate 71 and second connecting plate 72 respectively, first connecting plate 71 is connected on the door frame 2, second connecting plate 72 is connected on the shell 9 of drive member 8, be provided with at least one connecting rod 10 on the drive member 8, the other end of connecting rod 10 is connected on the sliding plate 6, the upper and lower both ends of airtight valve door plant 3 are provided with track plate 11 respectively, track plate 11 is in through adapting unit connection on airtight valve main part 1, adapting unit includes that adapting unit 12 is equipped with on the guide rail plate 16 is in the guide groove 16, the screw rod 13 is provided with on the guide groove 16.

The rail plate 11 is provided with an adjusting long hole 17, the adjusting long hole 17 is arranged along the length direction of the rail plate 11, and a bolt 18 is arranged in the adjusting long hole 17. The rail plate can be fixed in the vertical direction, and meanwhile, the adjustment of the rail plate is not affected.

The long adjustment hole 17 is a waist-shaped hole.

The driving part 8 comprises an electric actuator 81 and a driving shaft 82, the electric actuator 81 drives the driving shaft 82 to rotate, the driving shaft 82 is provided with a swing arm 19, and one end of the swing arm 19 is rotatably connected with the connecting rod 10.

The shell 9 is provided with a limiting notch 91, and the swing arm 19 is located in the limiting notch 91. The rotation amplitude of the track plate can be limited, so that the opening angle of the airtight valve plate can be limited.

One end of the track plate 11 is provided with an outwardly extending protruding plate 20. Therefore, the clearance between the two track plates can be changed from a straight line to a curve, and the sealing effect can be improved.

The working principle is that the airtight valve plate adopts a double-open type door opening structure, the upper end and the lower end of the airtight valve plate are respectively connected to the airtight valve main body through the track plates, the track plates are provided with curved guide grooves, the electric actuator drives the driving shaft to rotate, thereby driving the swing arm to rotate, the swing arm moves on the pull connecting rod, the sliding plate slides on the support guide rod, the sliding plate slides on the track plates when pulling the airtight valve plate, the opening and closing of the airtight valve plate are realized, the airtight valve plate is connected to the airtight valve main body through the connecting part, when the airtight valve plate is installed, the screw is loosened, the connecting part (not shown) of the connecting block and the airtight valve plate is used for fixing the connecting part, the screw is installed again, finally, the locking nut is used for fixing the connecting block, the airtight valve plate can be moved left and right through the position of the movement of the locking nut, the function of adjusting the spacing between the airtight valve plate and the door frame is realized, and the tightness of the biosafety airtight valve can still be ensured after the biosafety airtight valve is opened and closed for a plurality of times, and the tightness of the biosafety airtight valve running for a long time is improved. The sealing gasket with different thickness sizes under different working conditions can be suitable, and the sealing gasket is arranged between the door frame and the airtight valve plate, so that the universality and the applicability of the product are improved. Meanwhile, the problem of air tightness caused by precision errors in the manufacturing and mounting processes of the valve is solved, and the production difficulty is reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a biological airtight valve of adjustable seal size, its characterized in that includes airtight valve main part (1), the one end of airtight valve main part (1) is provided with door frame (2), be provided with two vent (21) on door frame (2), be provided with airtight valve board (3) on vent (21), two one side that airtight valve board (3) are close to each other is provided with at least one door ear (4) respectively, door ear (4) rotate to be connected on door ear connecting block (5), door ear connecting block (5) are connected on sliding plate (6), sliding plate (6) sliding connection is on two support guide bars (7), the both ends of support guide bars (7) are provided with first connecting plate (71) and second connecting plate (72) respectively, first connecting plate (71) are connected on door frame (2), second connecting plate (72) are connected on shell (9) of drive part (8) each other, be provided with at least one connecting rod (10) on drive part (8), other end (10) are connected on sliding plate (6) are connected on sealing plate (11) respectively, sealing plate (11) are connected on the both ends of sealing plate (1), the connecting component comprises a connecting block (12) fixedly connected to the track plate (11) and a screw rod (13) connected to the connecting block (12), a locking nut (14) is arranged on the screw rod (13) in a penetrating mode, a guide groove (15) is formed in the track plate (11), a guide wheel (16) is arranged in the guide groove (15), and the guide wheel (16) is connected to the sealing valve plate (3) in a rotating mode.

2. The biological closed valve with adjustable sealing size according to claim 1, wherein the track plate (11) is provided with an adjusting long hole (17), the adjusting long hole (17) is arranged along the length direction of the track plate (11), and a bolt (18) is arranged in the adjusting long hole (17).

3. A bio-valve with adjustable sealing dimensions according to claim 2, characterized in that the adjustment slot (17) is a waist-shaped hole.

4. The bio-sealing valve with adjustable sealing size according to claim 1, wherein the driving component (8) comprises an electric actuator (81) and a driving shaft (82), the electric actuator (81) drives the driving shaft (82) to rotate, a swing arm (19) is arranged on the driving shaft (82), and one end of the swing arm (19) is rotatably connected with the connecting rod (10).

5. The bio-valve with adjustable sealing size according to claim 4, wherein the housing (9) is provided with a limiting gap (91), and the swing arm (19) is located in the limiting gap (91).

6. A bio-valve with adjustable sealing dimensions according to claim 1, characterized in that one end of the rail plate (11) is provided with an outwardly extending protruding plate (20).