CN211082893U

CN211082893U - Valve rod valve clack fixing head of angle seat valve

Info

Publication number: CN211082893U
Application number: CN201922044753.3U
Authority: CN
Inventors: 刘宇金; 杭黎娟
Original assignee: Wuxi Skf Machinery Manufacturing Co ltd
Current assignee: Wuxi Skf Machinery Manufacturing Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-24
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a valve rod valve clack fixed head of angle seat valve, including valve rod and valve clack, the valve rod is installed at the internal middle part of valve, and passes the valve gap on the valve rod, the valve gap is located valve body upper portion, the valve clack cup joints in the valve rod lower part, valve clack one end joint tetrafluoro pad, just tetrafluoro pad cup joints on the valve rod, tetrafluoro pad one end is adjusted the tetrafluoro apron, the tetrafluoro apron cup joints in valve rod one end, lock nut is cup jointed to valve rod one end, the tetrafluoro apron passes through lock nut and tetrafluoro pad fixed connection, the utility model discloses the installation is dismantled simply, and structure safe and reliable is firm, and cost low in cost only needs to loosen the nut when valve clack or tetrafluoro pad need the maintenance change. The whole replacement is not needed, and the secondary maintenance cost is low.

Description

Valve rod valve clack fixing head of angle seat valve

Technical Field

The utility model relates to a valve accessory field, in particular to valve rod valve clack fixed head of angle seat valve.

Background

The angle seat valve can save space to maintain the flow rate. It adopts a guide angle seat valve operated by a single-action pneumatic actuating mechanism with spring safety protection. When in use, the valve should be normally opened or normally closed. The angle seat valve is widely applied to short-time frequent starting, has the characteristics of sensitive response and accurate action, is matched with an electromagnetic valve for use, and can accurately control the flow of gas and liquid by pneumatic control. Can realize the requirements of accurate temperature control, liquid dripping and the like. The steam quantity of the damp-heat sterilization cabinet is controlled by an angle seat valve to accurately control the temperature. Angle seat valves are often used in the industries of paper making, printing and dyeing, environmental water treatment, beer and beverage, medical pharmacy and the like.

However, in the prior art, because the angle seat valve has a simple structure, and the valve rod and the valve clack are connected in an integrated manner, the valve clack tetrafluoro pad belongs to a quick-wear part and is frequently required to be maintained and replaced, the valve clack tetrafluoro pad needs to be integrally replaced, and the maintenance and replacement cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a valve rod valve clack fixed head of angle seat valve, the utility model discloses the installation is dismantled simply, and structure safe and reliable is firm, and cost low in cost only needs loosen the nut when valve clack or tetrafluoro pad need be maintained and change, takes out the accessory that needs to be changed. The whole replacement is not needed, and the secondary maintenance cost is low.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a valve rod valve clack fixed head of angle seat valve, includes valve rod and valve clack, the valve rod is installed at the internal middle part of valve, and passes the valve gap on the valve rod, the valve gap is located valve body upper portion, the valve clack cup joints in the valve rod lower part, valve clack one end joint tetrafluoro pad, just tetrafluoro pad cup joints on the valve rod, tetrafluoro pad one end is adjusted the tetrafluoro and is lapped, the tetrafluoro apron cup joints in valve rod one end, lock nut is cup jointed to valve rod one end, the tetrafluoro apron passes through lock nut and tetrafluoro pad fixed connection.

Preferably, the lower part of the valve rod is provided with a positioning part, the lower end of the positioning part is provided with an assembling part, and the positioning part and the assembling part are integrally cast and molded.

Preferably, a first clamping groove is formed in the surface of one end of the valve clack, and the tetrafluoro pad is clamped in the first clamping groove.

Preferably, set up the second joint groove on the tetrafluoro pad downside, tetrafluoro apron one end joint is in second joint inslot.

Preferably, the valve clack up end sets up the reference column, reference column upper portion joint is in the constant head tank, the constant head tank is seted up on the location portion downside.

Preferably, reference column and constant head tank all are equipped with two sets ofly, two sets of the reference column symmetry sets up on the valve clack on the side, and is two sets of the constant head tank symmetry is seted up on location portion downside.

Adopt above-mentioned technical scheme, owing to carry out fixed connection with the valve clack through tetrafluoro apron and lock nut with the tetrafluoro pad for tetrafluoro pad and valve clack and tetrafluoro apron are split type connection, change the in-process, only need dismantle lock nut, and change corresponding accessory can, thereby reduced the cost of overhauing and changing, the utility model discloses the installation is dismantled simply, and structure safe and reliable is firm, and cost low in cost only needs to loosen the nut when valve clack or tetrafluoro pad need be maintained and changed, takes out the accessory that needs to be changed. The whole replacement is not needed, and the secondary maintenance cost is low.

Drawings

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

fig. 2 is an enlarged structural view at a in fig. 1.

In the figure: the valve comprises a valve clack 1, a valve rod 2, a valve cover 3, a valve body 4, a tetrafluoro pad 5, a tetrafluoro cover plate 6, a locking nut 7, a positioning groove 11, a positioning column 12, a positioning part 21 and an assembling part 22.

Detailed Description

The following description of the present invention will be made with reference to the accompanying drawings 1-2. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The utility model provides a valve rod valve clack fixed head of angle seat valve, includes valve rod 2 and valve clack 1, valve rod 2 installs middle part in valve body 4, and passes valve gap 3 on the valve rod 2, valve gap 3 is located 4 upper portions of valve body, valve clack 1 cup joints in 2 lower parts of valve rod, 1 one end joint tetrafluoro of valve clack fills up 5, just tetrafluoro pad 5 cup joints on valve rod 2, tetrafluoro pad 5 one end is adjusted tetrafluoro and is lapped 6, tetrafluoro apron 6 cup joints in 2 one ends of valve rod, lock nut 7 is cup jointed to 2 one end of valve rod, tetrafluoro apron 6 passes through lock nut 7 and tetrafluoro pad 5 fixed connection.

The lower part of the valve rod 2 is provided with a positioning part 21, the lower end of the positioning part 21 is provided with an assembling part 22, and the positioning part 21 and the assembling part 22 are integrally cast and molded.

The valve clack 1 one end surface sets up first joint groove, the tetrafluoro pad 5 joint is in first joint inslot.

And a second clamping groove is formed in the lower side surface of the tetrafluoro pad 5, and one end of the tetrafluoro cover plate 6 is clamped in the second clamping groove.

The up end of valve clack 1 sets up

reference column

12, 12 upper portions of reference column joint are in constant head tank 11, constant head tank 11 is seted up on the 21 downside of location portion.

Reference column 12 and constant head tank 11 all are equipped with two sets ofly, two sets of reference column 12 symmetry sets up on valve clack 1 on the side, and is two sets of constant head tank 11 symmetry is seted up on location portion 21 downside.

The working principle is as follows: first pack into tetrafluoro pad 5 in the first joint inslot on the valve clack 1, then close tetrafluoro apron 6, go into tetrafluoro apron 6 card second joint inslot, pass valve clack 1 with equipment portion 22 on the valve rod 2, make reference column 12 card on the valve clack 1 go into in the constant head tank 11 simultaneously, fix a position valve clack 1's position, tetrafluoro apron 6 and tetrafluoro pad 5 on locking valve rod 2 through lock nut 7, when needs change tetrafluoro pad 5, only need twist off lock nut 7, then pull down tetrafluoro apron 6, and change tetrafluoro pad 5, then through lock nut 7 with tetrafluoro apron 6 locking again.

The embodiments of the present invention have been described in detail with reference to fig. 1-2, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a valve rod valve clack fixed head of angle seat valve, includes valve rod (2) and valve clack (1), its characterized in that: valve rod (2) are installed at valve body (4) middle part in, and valve rod (2) upper end passes valve gap (3), valve gap (3) are located valve body (4) upper portion, valve clack (1) cup joint in valve rod (2) lower part, valve clack (1) one end joint tetrafluoro pad (5), just tetrafluoro pad (5) cup joint on valve rod (2), tetrafluoro pad (5) one end is adjusted tetrafluoro apron (6), tetrafluoro apron (6) cup joint in valve rod (2) one end, lock nut (7) is cup jointed to valve rod (2) one end, tetrafluoro apron (6) are through lock nut (7) and tetrafluoro pad (5) fixed connection.

2. The stem flap retaining head of a globe valve of claim 1, wherein: the lower part of the valve rod (2) is provided with a positioning part (21), the lower end of the positioning part (21) is provided with an assembling part (22), and the positioning part (21) and the assembling part (22) are integrally cast and molded.

3. The stem flap retaining head of a globe valve of claim 1, wherein: valve clack (1) one end surface sets up first joint groove, tetrafluoro pad (5) joint is in first joint inslot.

4. The stem flap retaining head of a globe valve of claim 1, wherein: and a second clamping groove is formed in the lower side surface of the tetrafluoro pad (5), and one end of the tetrafluoro cover plate (6) is clamped in the second clamping groove.

5. The stem flap retaining head of a globe valve of claim 1, wherein: valve clack (1) up end sets up reference column (12), reference column (12) upper portion joint is in constant head tank (11), establish on location portion (21) downside constant head tank (11).

6. The stem flap retaining head of a globe valve of claim 5, wherein: reference column (12) and constant head tank (11) all are equipped with two sets ofly, two sets of on reference column (12) symmetry sets up side on valve clack (1), two sets of constant head tank (11) symmetry is seted up on location portion (21) downside.