CN110873190A

CN110873190A - Sterile seat valve

Info

Publication number: CN110873190A
Application number: CN201911311479.XA
Authority: CN
Inventors: 黄文博; 高家辉; 王梦蝶
Original assignee: Kunshan Kinglai Hygienic Materials Co Ltd
Current assignee: Kunshan Kinglai Hygienic Materials Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-03-10

Abstract

The invention discloses an aseptic seat valve which comprises a lower valve body and a pneumatic actuator, wherein a support is fixedly arranged at the top of the lower valve body, the pneumatic actuator is arranged at the central position of the top of the support through a connecting seat, a second through hole and a first through hole are respectively arranged at the bottom and one side of the lower valve body, a connecting shaft extending into the lower valve body is arranged at the output end of the pneumatic actuator, a valve head extending to the position of the second through hole is arranged at the bottom of the connecting shaft, and a diaphragm fixedly connected with the connecting shaft is fixedly arranged at the bottom of the inner side of the support. The valve rod seal arranged in the invention can ensure the sealing effect, and in addition, the integrated diaphragm is arranged, so that the air blocking and leakage prevention can be ensured, the valve rod seal is suitable for aseptic production, the highest-level requirements of sanitary and safe processing can be met, and the application range of the seat valve is wider.

Description

Sterile seat valve

Technical Field

The invention relates to the technical field of valves, in particular to a sterile seat valve.

Background

Seat valves are generally used in fluid technology for controlling or regulating fluids, for which purpose the valve has a valve element which functions as an interrupter and cooperates with a valve seat to block or release a throughflow through the valve or valve body, in particular in the field of fluid industries related to food processing, beer and drinks, dairy products, biopharmaceuticals, fine chemicals for daily use, etc.

The prior seat valve has the following defects:

1. the existing seat valve generally has the condition of bacteria mixing in when in use, and the general aseptic seat valve diaphragm adopts a split type diaphragm, and combines the diaphragm with o-ring for use, so that the structure is unstable, the seat valve pollutes food fluid when in use, cannot be applied to food processing, and has larger use limitation;

2. the existing seat valve generally only has one group of through holes, materials can be conveyed in a single direction only, and the use limitation is large.

Therefore, there is a need for improvement of the prior art to solve the above problems.

Disclosure of Invention

It is an object of the present invention to provide an aseptic seat valve that solves the problems set forth in the background above.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an aseptic seat valve, includes valve body and pneumatic actuator down, the top fixed mounting of valve body has the support down, pneumatic actuator is installed through the connecting seat in the central point department at support top, bottom and one side of valve body are equipped with second through-hole and first through-hole respectively down, pneumatic actuator's output is installed and is extended to connecting axle in the valve body down, the bottom of connecting axle is installed and is extended to the valve head of second through-hole position department, the inboard bottom fixed mounting of support have with connecting axle fixed connection's diaphragm piece.

Preferably, the bottom of valve head is equipped with the valve head sealing disc, the valve rod seal is installed to the outside limit of valve head sealing disc bottom portion inlays, is equipped with the annular seal groove structure that uses with the valve rod seal cooperation in the lower valve body at second through-hole top.

Preferably, the lower valve body is fixedly installed at the bottom of the support through a hoop, and the hoop is fixedly connected through a fixing bolt.

Preferably, the connecting shaft is fixedly installed at the output end of the pneumatic actuator inside the connecting seat through a fixing head, and the inner wall of the support outside the connecting shaft is provided with a wear-resistant lantern ring.

Preferably, the top of the valve head is provided with a fixed mounting hole, and the connecting shaft is fixedly connected with the valve head through a fixed column.

Preferably, a liquid guide pipe is embedded and installed at the top of one side of the support, and an external pipe installing head is arranged at the top of the liquid guide pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. the valve rod seal of this aseptic seat valve setting can guarantee sealed effect, through setting up the diaphragm piece that separates of an integration in addition, can ensure to block the air, prevents to reveal, is fit for aseptic production, can satisfy the highest level requirement of health type and safe type processing for the application scope of seat valve is more extensive.

2. This aseptic seat valve has set up first through-hole and second through-hole, and the valve head of valve body is realizing going up and down through pneumatic actuator to change different bin outlet, and then improved the practicality of seat valve, be convenient for use widely.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is a bottom view of the present invention.

In the figure: 1. a lower valve body; 2. sealing the valve rod; 3. a valve head; 4. clamping a hoop; 5. a diaphragm sheet; 6. a support; 601. a wear-resistant collar; 7. a connecting shaft; 8. a pneumatic actuator; 9. fixing the mounting hole; 10. a connecting seat; 11. a fixed head; 12. fixing the bolt; 13. fixing a column; 14. a first through hole; 15. a valve head sealing disc; 16. a second through hole; 17. a catheter; 1701. an external connecting pipe mounting head.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an embodiment of the present invention is shown: a sterile seat valve comprises a lower valve body 1 and a pneumatic actuator 8, wherein a support 6 is fixedly arranged at the top of the lower valve body 1, the pneumatic actuator 8 is arranged at the central position of the top of the support 6 through a connecting seat 10, the support 6 is convenient for the fixed installation of the lower valve body 1 and the fixed installation of the pneumatic actuator 8, a second through hole 16 and a first through hole 14 are respectively arranged at the bottom and one side of the lower valve body 1, a connecting shaft 7 extending into the lower valve body 1 is arranged at the output end of the pneumatic actuator 8, a valve head 3 extending to the position of the second through hole 16 is arranged at the bottom of the connecting shaft 7, a diaphragm 5 fixedly connected with the connecting shaft 7 is fixedly arranged at the bottom of the inner side of the support 6, the pneumatic actuator 8 can lift the connecting shaft 7, so as to control the lifting of the lower valve body 1, the lower valve body 1 can lift the valve head 3 through the lifting drive, so as to respectively plug the second through, and then make things convenient for the material to circulate through different through-holes, diaphragm 5 can play the effect of isolation liquid, avoids liquid to appear polluting.

Further, the bottom of valve head 3 is equipped with valve head sealing plate 15, and the outside limit of valve head sealing plate 15 bottom is inlayed and is installed valve rod seal 2, be equipped with in the lower valve body 1 at second through-hole 16 top with the annular seal groove structure of 2 cooperation uses of valve rod seal, in the embodiment, valve head sealing plate 15 can seal second through-hole 16 through going up and down, sealed effect can be guaranteed to valve rod seal 2, the inseparable laminating of valve rod seal 2 and lower valve body 1 inside can be guaranteed to annular seal groove structure.

Further, lower valve body 1 passes through clamp 4 fixed mounting in the bottom of support 6, and clamp 4 passes through fixing bolt 12 fixed connection, and in the embodiment, clamp 4 is convenient for lower valve body 1 fixed mounting in the bottom of support 6, and fixing bolt 12 can guarantee the fastness of lower valve body 1 installation.

Further, connecting axle 7 is located the inside output of connecting seat 10 through fixed head 11 fixed mounting at pneumatic actuator 8, and the inner wall of connecting axle 7 outside support 6 is equipped with wear-resisting lantern ring 601, and in the embodiment, fixed head 11 can make things convenient for the fixed mounting of connecting axle 7, and wear-resisting lantern ring 601 can be to the connecting axle 7 wearability of locating lower valve body 1, and then guarantees the life of seat valve.

Further, the top of valve head 3 is equipped with fixed mounting hole 9, and connecting axle 7 through with fixed column 13 and valve head 3 fixed connection, in the embodiment, fixed mounting hole 9 can use with the cooperation of fixed column 13 to make things convenient for the fixed connection of connecting axle 7 and valve head 3.

Further, a liquid guide pipe 17 is embedded and installed on the top of one side of the support 6, and an external pipe installation head 1701 is arranged on the top of the liquid guide pipe 17.

The working principle is as follows: firstly, locking a support 6, a connecting shaft 7 and a pneumatic actuator 8 through bolts, firstly installing a valve rod seal 2 on a valve head 3, connecting a diaphragm 5 with the connecting shaft 7 and the valve head 3 through threads, then locking the connecting shaft 7 and the pneumatic actuator 8 through threads, locking a lower valve body 1 with the support 6 through a hoop 4, and controlling the valve head 3 to move through the pneumatic actuator 8 when materials are introduced from a first through hole 14 to realize the circulation of a second through hole 16; when letting in the material from second through-hole 16, control the motion of valve head 3 through pneumatic actuator 8 to the circulation of first through-hole 14, all can realize the separation to the air through diaphragm 5 for above working conditions, make the fluid of circulation in the pipeline more difficult for revealing, let production clean more sanitary.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A sterile seat valve, characterized by: including lower valve body (1) and pneumatic actuator (8), the top fixed mounting of lower valve body (1) has support (6), pneumatic actuator (8) are installed through connecting seat (10) to the central point department at support (6) top, the bottom and one side of lower valve body (1) are equipped with second through-hole (16) and first through-hole (14) respectively, the output of pneumatic actuator (8) is installed and is extended to connecting axle (7) in lower valve body (1), the bottom of connecting axle (7) is installed and is extended to valve head (3) of second through-hole (16) position department, the inboard bottom fixed mounting of support (6) have with connecting axle (7) fixed connection's diaphragm piece (5).

2. A sterile seat valve according to claim 1, wherein: the bottom of valve head (3) is equipped with valve head seal dish (15), the outside limit of valve head seal dish (15) bottom is inlayed and is installed valve rod seal (2), is equipped with the annular seal groove structure that uses with valve rod seal (2) cooperation in lower valve body (1) at second through-hole (16) top.

3. A sterile seat valve according to claim 1, wherein: lower valve body (1) is through clamp (4) fixed mounting in the bottom of support (6), clamp (4) are through fixing bolt (12) fixed connection.

4. A sterile seat valve according to claim 1, wherein: the connecting shaft (7) is fixedly installed at an output end of the pneumatic actuator (8) inside the connecting seat (10) through a fixing head (11), and a wear-resistant sleeve ring (601) is arranged on the inner wall of the connecting shaft (7) outer side support (6).

5. A sterile seat valve according to claim 1, wherein: the top of the valve head (3) is provided with a fixed mounting hole (9), and the connecting shaft (7) is fixedly connected with the valve head (3) through a fixing column (13).

6. A sterile seat valve according to claim 1, wherein: a liquid guide pipe (17) is embedded and installed at the top of one side of the support (6), and an external pipe installing head (1701) is arranged at the top of the liquid guide pipe (17).