CN220268495U

CN220268495U - Biopharmaceutical diaphragm valve

Info

Publication number: CN220268495U
Application number: CN202321275917.3U
Authority: CN
Inventors: 熊晓梦; 王磊
Original assignee: MACLEE TECHNOLOGY Inc
Current assignee: MACLEE TECHNOLOGY Inc
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-12-29
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a biopharmaceutical diaphragm valve, which relates to the technical field of biopharmaceutical diaphragm valves and comprises a valve cover and an extrusion block, wherein a threaded valve rod is connected below the valve cover, an engagement sleeve is engaged with the exterior of the threaded valve rod, a sealing ring is arranged above the interior of the engagement sleeve and is attached to the threaded valve rod, the exterior of the engagement sleeve is engaged with the engagement block, a diaphragm is movably connected with the engagement block through a threaded bolt, a valve body is arranged below the outer surface of the diaphragm, the diaphragm is movably connected with the valve body through the threaded bolt, and the extrusion block is arranged on one side below the outer surface of the threaded valve rod. This bio-pharmaceuticals diaphragm valve compares with current ordinary bio-pharmaceuticals diaphragm valve, twists the valve gap, and the valve gap drives the screw thread valve rod and rotates on the meshing cover, and when moving down, the extrusion piece can be to the diaphragm push down, cuts off the air of valve body, and the sealing washer can prevent that the screw thread valve rod from getting into the air when rotating from top to bottom, influences the pressure-bearing and the leakproofness of diaphragm valve.

Description

Biopharmaceutical diaphragm valve

Technical Field

The utility model relates to the technical field of biopharmaceutical diaphragm valves, in particular to a biopharmaceutical diaphragm valve.

Background

The diaphragm valve is a stop valve which uses a diaphragm as an opening and closing piece to seal a flow passage, cut off fluid and separate the inner cavity of the valve body from the inner cavity of the valve cover. The diaphragm is made of elastic, corrosion-resistant and impermeable materials such as rubber, plastic and the like. The valve body is made of plastic, glass fiber reinforced plastic, ceramic or metal rubber lining materials. Simple structure, good sealing and corrosion resistance, and small fluid resistance. Is used for low-pressure, low-temperature, highly corrosive and suspended matter-containing media. The structure is divided into ridge type, stop type, flashboard type and the like. The diaphragm valve is a novel valve, is a cut-off valve in a special form, and is characterized in that the opening and closing part of the valve is a diaphragm made of soft materials, and the inner cavity of the valve body is separated from the inner cavity of the valve cover and the driving part, so that the valve is widely used in various fields. Typical diaphragm valves include glue-lined diaphragm valves, fluorine-lined diaphragm valves, unlined diaphragm valves, and plastic diaphragm valves.

However, the existing biopharmaceutical diaphragm valve has weak pressure bearing capacity and poor air tightness.

Accordingly, in view of the above, the present utility model has been made in view of the shortcomings of the conventional structures, and a biopharmaceutical diaphragm valve has been proposed.

Disclosure of Invention

The present utility model is directed to a biopharmaceutical diaphragm valve to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bio-pharmaceuticals diaphragm valve, includes valve gap and extrusion piece, the below of valve gap is connected with the screw thread valve rod, and the outside meshing of screw thread valve rod has the meshing cover, the sealing washer is settled to the inside top of meshing cover, and the sealing washer laminating is in the screw thread valve rod, the outside meshing of meshing cover has the meshing piece, the diaphragm piece has been settled to surface below one side of meshing piece, and the diaphragm piece passes through screw bolt swing joint with the meshing piece, the valve body is settled to surface below one side of diaphragm piece, and the diaphragm piece passes through screw bolt swing joint with the valve body, extrusion piece is installed to the below of screw thread valve rod.

Preferably, a diaphragm is attached to one side below the outer surface of the engagement block, and the diaphragm is made of rubber diaphragm material.

Preferably, a gasket is arranged on one side below the outer surface of the diaphragm, and one side of the outer surface of the gasket is attached to the lower part of the engagement block.

Preferably, the gaskets are attached to the upper side and the lower side of the outer surface of the diaphragm, and the lower side gaskets are attached to the upper side of the valve body.

Preferably, the extrusion piece is installed to the below of screw thread valve rod, and the laminating of surface below one side of extrusion piece is settled there is the foam-rubber cushion, the laminating of surface below one side of foam-rubber cushion is equipped with the rubber pad.

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

1. according to the utility model, through the arrangement of the valve cover, the threaded valve rod, the meshing sleeve, the sealing ring, the meshing block, the threaded bolt, the diaphragm, the valve body and the valve cavity, the valve cover is screwed, the valve cover drives the threaded valve rod to rotate on the meshing sleeve, when the valve cover moves downwards, the extrusion block can downwards press the diaphragm to separate air of the valve body, and the sealing ring can prevent air from entering when the threaded valve rod rotates upwards and downwards, so that the pressure bearing and the sealing performance of the diaphragm valve are affected;

2. according to the utility model, through the arrangement of the rubber pad, the gasket and the foam-rubber cushion, the bearing friction of the gasket is reduced, the diaphragm made of the rubber pad is more flexible, and the foam-rubber cushion is attached to one side below the outer surface of the extrusion block, so that the extrusion block is prevented from puncturing the diaphragm, the replacement of the diaphragm is reduced, and the device can be quickly disassembled and installed, thereby being more convenient for repairing and replacing the gasket and the diaphragm.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 3 is a schematic perspective view of a threaded valve stem according to the present utility model.

In the figure: 1. a valve cover; 2. a threaded valve stem; 3. a meshing sleeve; 4. a seal ring; 5. a meshing block; 6. a threaded bolt; 7. a diaphragm sheet; 8. a valve body; 9. extruding a block; 10. a rubber pad; 11. a gasket; 12. a sponge cushion.

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.

As shown in fig. 1, the biopharmaceutical diaphragm valve comprises a valve cover 1 and an extrusion block 9, wherein the lower part of the valve cover 1 is connected with a threaded valve rod 2, an engagement sleeve 3 is meshed with the outer part of the threaded valve rod 2, a sealing ring 4 is arranged above the engagement sleeve 3, the sealing ring 4 is attached to the threaded valve rod 2, the engagement sleeve 3 is meshed with the engagement block 5, a diaphragm 7 is arranged below the outer surface of the engagement block 5, the diaphragm 7 is movably connected with the engagement block 5 through a threaded bolt 6, a valve body 8 is arranged on one side below the outer surface of the diaphragm 7, the diaphragm 7 is movably connected with the valve body 8 through the threaded bolt 6, and the extrusion block 9 is arranged on one side below the outer surface of the threaded valve rod 2.

Further, the threaded valve rod 2 is made of alloy steel, so that the abrasion degree of the meshing sleeve 3 on the threaded valve rod 2 is reduced.

Furthermore, the sealing ring 4 is made of rubber, so that the pressure bearing and sealing performance of the diaphragm valve are affected by the entering of air when the threaded valve rod 2 is pressed down.

As shown in fig. 2-3, a diaphragm 7 is attached to one side below the outer surface of the engagement block 5, the diaphragm 7 is made of a rubber diaphragm, a gasket 11 is arranged on one side below the outer surface of the diaphragm 7, one side of the outer surface of the gasket 11 is attached to the lower side of the engagement block 5, the gasket 11 is attached to the upper side and the lower side of the outer surface of the diaphragm 7, the lower side gasket 11 is attached to the upper side of the valve body 8, an extrusion block 9 is arranged below the threaded valve rod 2, a foam cushion 12 is attached to one side below the outer surface of the extrusion block 9, and a rubber pad 10 is attached to one side below the outer surface of the foam cushion 12.

Further, the diaphragm 7 is made of a rubber diaphragm, which is advantageous in reducing replacement of the diaphragm 7.

Further, the gasket 11 is made of a flange gasket, which is beneficial to reducing friction between the engagement block 5 and the diaphragm 7.

Further, the sponge cushion 12 and the rubber cushion 10 are attached to the lower portion of the outer surface of the extrusion block 9, so that extrusion of the extrusion block 9 to the diaphragm 7 is reduced, and the diaphragm 7 is prevented from being punctured.

Working principle: when using this bio-pharmaceuticals diaphragm valve, at first twist valve gap 1, valve gap 1 drives screw thread valve rod 2 and rotates on adapter sleeve 3, when moving downwards, extrusion piece 9 can push down diaphragm 7, cut off the air of valve body 8, entering air when sealing washer 4 can prevent screw thread valve rod 2 from rotating from top to bottom, influence the pressure-bearing and the leakproofness of diaphragm valve, gasket 11 has reduced the bearing friction, diaphragm 7 of rubber pad 10 material is more flexible, and the laminating of surface below one side of extrusion piece 9 has foam-rubber cushion 12, prevent extrusion piece 9 from stabbing diaphragm 7, the change of diaphragm 7 has been reduced, and equipment can dismantle the installation fast, more be convenient for repair, and change gasket 11 and diaphragm 7, this is the theory of operation of this bio-pharmaceuticals diaphragm valve.

Claims

1. The utility model provides a bio-pharmaceuticals diaphragm valve, includes valve gap (1) and extrusion piece (9), its characterized in that, the surface below of valve gap (1) is connected with screw thread valve rod (2), and screw thread valve rod (2) external engagement has meshing cover (3), sealing washer (4) are settled to the inside top of meshing cover (3), and sealing washer (4) laminating in screw thread valve rod (2), the external engagement of meshing cover (3) has meshing piece (5), the surface below of meshing piece (5) is settled there is diaphragm piece (7), and diaphragm piece (7) and meshing piece (5) pass through screw bolt (6) swing joint, valve body (8) are settled to surface below one side of diaphragm piece (7), and diaphragm piece (7) and valve body (8) pass through screw bolt (6) swing joint, extrusion piece (9) are installed to surface below one side of screw thread valve rod (2).

2. The biopharmaceutical diaphragm valve according to claim 1, wherein a diaphragm (7) is attached to a side below the outer surface of the engagement block (5), and the diaphragm (7) is made of rubber diaphragm material.

3. The biopharmaceutical membrane valve according to claim 1, wherein a gasket (11) is arranged above the outer surface of the membrane sheet (7), and wherein one side of the outer surface of the gasket (11) is attached below the engagement block (5).

4. A biopharmaceutical diaphragm valve according to claim 3, wherein the gaskets (11) are attached to the upper and lower sides of the outer surface of the diaphragm (7), and the lower gasket (11) is attached to the upper outer surface of the valve body (8).

5. The biopharmaceutical diaphragm valve according to claim 1, wherein the extrusion block (9) is mounted at one end below the threaded valve rod (2), and a foam-rubber cushion (12) is mounted at one end below the outer surface of the extrusion block (9), and a rubber cushion (10) is mounted at one side below the outer surface of the foam-rubber cushion (12).