CN217207765U

CN217207765U - Square biological airtight valve that leakproofness is strong

Info

Publication number: CN217207765U
Application number: CN202220042039.XU
Authority: CN
Inventors: 张新冬; 郑俊超
Original assignee: Suzhou Kelsen Air Filter System Co ltd
Current assignee: Suzhou Kelsen Air Filter System Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-08-16
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses a square biological airtight valve that leakproofness is strong, including the main valve body, fixed mounting has flange on the main valve body, and the front end of the main valve body is provided with preceding head, and the rear end of the main valve body is provided with the back head, is provided with the pivot between preceding head and the back head, is provided with the blade in the pivot, and blade fixed connection is on the pivot base, and pivot base fixed mounting is on the outer wall of pivot, and the junction of pivot and preceding head is provided with sealing washer and front head apron, and the one end that the head apron was connected before the pivot was stretched out with the executor. The beneficial effects of the utility model are that, pivot base, blade and seal gasket are together fixed, and when the rotation executor, the circulation of the internal air current of valve is cut off to the closure between accessible seal gasket and the main valve body. The welding of preceding head is on the main valve body, and is fixed sealing washer, preceding head cover plate on the preceding head, make the gas in the valve can not reveal the external world, very big improvement sealed effect.

Description

Square biological airtight valve that leakproofness is strong

Technical Field

The utility model relates to a clarification plant technical field, especially a square biological airtight valve that leakproofness is strong.

Background

The simple structure of valve plate on the existing market, the easy deformation that appears when using to influence the airtight effect of valve body, the practicality is relatively poor, moreover, appear warping at the valve plate or when the leakproofness is not good, even find hardly, just discover until leaking to the certain degree after, this to some biological research, especially some poisonous or not allow the biology of leaking to have very big risk, people are difficult to control to the life-span condition of valve plate, also are difficult to grasp, seriously influence the in service behavior of biological valve. In addition, the valve plate is generally made of rubber materials, and is easy to deform after being used for several times, and although the deformation has certain recovery capacity, the sealing performance of the valve plate is greatly influenced at different temperatures, so that the application range of the valve is influenced;

the biological closed valve is generally used for sterilizing a bag inlet filter and a bag outlet filter and closing a ventilation pipeline of a biological laboratory so as to sterilize rooms. The conventional biological airtight valves are round flanges, and are used on a rectangular air pipe, the reducing connection of square rotation and round rotation is required to be configured, and the resistance of the air pipe can be increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing a square biological airtight valve with strong sealing performance.

The technical scheme of the utility model be, a square biological airtight valve that leakproofness is strong, including the main valve body, fixed mounting has flange on the main valve body, the front end of the main valve body is provided with preceding head, the rear end of the main valve body is provided with the back head, be provided with the pivot between preceding head and the back head, be provided with the blade in the pivot, blade fixed connection is on the pivot base, pivot base fixed mounting is in on the outer wall of pivot, the junction of pivot and preceding head is provided with sealing washer and front cover plate, the one end that the pivot stretches out the front cover plate is connected with the executor.

As right the utility model discloses a further explanation, the rear end of pivot is inlayed in the recess of back head, pivot and back head are swivelling joint.

As a further explanation of the utility model, the blades are of double-layer design, and a sealing gasket is arranged between the blades.

As a further explanation of the utility model, the rotating shaft base is fixedly connected with the blades through the mounting plate.

As right the utility model discloses a further explanation, preceding head fixed mounting be in on the panel of main valve body one side, preceding head apron fixed mounting be in one side of preceding head, the sealing washer is installed between preceding head and the preceding head apron.

As a further explanation of the present invention, one end of the main valve body near the front end is provided with an actuator base, and the actuator is fixedly mounted on the actuator base.

As right the utility model discloses a further explanation, the one end that the head was stretched out before the pivot with the executor carries out joint formula fixed connection.

As a further explanation of the present invention, the connection mode of the connection flange and the main valve body is welding connection.

As a further explanation of the present invention, the connection mode of the rear end socket and the main valve body is welding connection.

As right the utility model discloses a further explanation, the main valve body with flange's junction is the rectangle, and four corners concatenation department is the fillet.

The rotary shaft, the rotary shaft base, the blades and the sealing gasket are fixed together, and when the actuator is rotated, the flow of air flow in the valve body can be isolated through the closing between the sealing gasket and the main valve body. The front seal head is welded on the main valve body, and the sealing ring and the front seal head cover plate are fixed on the front seal head, so that gas in the valve cannot be leaked to the outside, and the sealing effect is greatly improved.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic perspective view of the present invention.

In the figure, 1, a main valve body; 2. sealing the end; 3. a connecting flange; 4. sealing gaskets; 5. a blade; 6. a rotating shaft base; 7. a rotating shaft; 8. a front end enclosure; 9. a seal ring; 10. a front head cover plate; 11. an actuator base; 12. an actuator; 13. and (7) mounting the plate.

Detailed Description

The present invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-2, a square biological sealing valve with strong sealing performance is introduced, which comprises a main valve body 1, a connecting flange 3 is fixedly mounted on the main valve body 1, a front end socket 8 is disposed at the front end of the main valve body 1, a rear end socket 2 is disposed at the rear end of the main valve body 1, a rotating shaft 7 is disposed between the front end socket 8 and the rear end socket 2, a blade 5 is disposed on the rotating shaft 7, the blade 5 is fixedly connected to a rotating shaft base 6, the rotating shaft base 6 is fixedly mounted on the outer wall of the rotating shaft 7, a sealing ring 9 and a front end socket 8 cover plate are disposed at the joint of the rotating shaft 7 and the front end socket 8, one end of the rotating shaft 7 extending out of the front end socket 8 cover plate is connected to an actuator 12, and the rotating shaft 7 is driven to rotate by the actuator 12, thereby driving the blades 5 to rotate.

Next, the working mode and working effect of the present invention are described through specific structure, the connecting flange 3 is welded with the main valve body 1, so that the valve body is fixed on the air pipe or the equipment, the rotating shaft 7, the base 6, the blade 5 and the sealing gasket 4 are fixed together, when the actuator 12 is rotated, the actuator 12 drives the blade 5 to rotate through the rotating shaft 7, the flow of the air flow in the valve body is blocked by the closing between the sealing gasket 4 and the main valve body 1, and then the opening and closing of the biological sealed valve are controlled.

The front seal head 8 is welded on the main valve body 1, and the sealing ring 9 and the cover plate of the front seal head 8 are fixed on the front seal head 8, so that the gas in the valve can not be leaked to the outside.

The sealing ring 9 between the front seal head 8 and the seal head cover plate can ensure that the joint of the end of the front seal head 8 has high end sealing performance, the whole sealing performance is further ensured, and the connecting flange 3, the front seal head 8 and the main valve body 1 are connected in a welding mode, so that the front and back consistent sealing performance is ensured.

The valve body is made into a square shape, the splicing positions of the four corners are round corners, the sealing performance of connection is well guaranteed, and therefore zero leakage of the sealed valve is guaranteed.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a square biological airtight valve that leakproofness is strong, a serial communication port, including the main valve body (1), fixed mounting has flange (3) on the main valve body (1), the front end of the main valve body (1) is provided with preceding head (8), the rear end of the main valve body (1) is provided with back head (2), be provided with pivot (7) between preceding head (8) and back head (2), be provided with blade (5) on pivot (7), blade (5) fixed connection is on pivot base (6), pivot base (6) fixed mounting be in on the outer wall of pivot (7), the junction of pivot (7) and preceding head (8) is provided with sealing washer (9) and preceding head (8) apron, the one end that preceding head (8) apron was stretched out in pivot (7) is connected with executor (12).

2. The high-sealing square biological airtight valve as claimed in claim 1, wherein the rear end of the rotating shaft (7) is embedded in the groove of the rear end enclosure (2), and the rotating shaft (7) is rotatably connected with the rear end enclosure (2).

3. Square biological containment valve of claim 1, characterized in that the vanes (5) are of double layer design, and sealing gaskets (4) are provided between the vanes (5).

4. The high-sealing square biological airtight valve as claimed in claim 1, wherein the rotating shaft base (6) and the vane (5) are fixedly connected through a mounting plate (13).

5. The high-sealing square biological airtight valve as claimed in claim 1, wherein said front sealing head (8) is fixedly installed on the panel on one side of said main valve body (1), said front sealing head (8) cover plate is fixedly installed on one side of said front sealing head (8), and said sealing ring (9) is installed between said front sealing head (8) and said front sealing head (8) cover plate.

6. The square biological sealing valve with high sealing performance as claimed in claim 1, wherein an actuator base (11) is arranged at one end of the main valve body (1) close to the front end, and the actuator (12) is fixedly installed on the actuator base (11).

7. The square biological airtight valve with high sealing performance as claimed in claim 1, wherein the end of the rotating shaft (7) extending out of the front sealing head (8) is fixedly connected with the actuator (12) in a clamping manner.

8. The high-tightness square biological sealing valve according to claim 1, characterized in that the connection mode of the connecting flange (3) and the main valve body (1) is welding connection.

9. The square biological sealing valve with high sealing performance as claimed in claim 1, wherein the connection mode of the rear sealing head (2) and the main valve body (1) is also welding connection.

10. The square biological airtight valve with high sealing performance as claimed in claim 1, wherein the junction of the main valve body (1) and the connecting flange (3) is rectangular, and the four corners are spliced to form round corners.