CN214197315U

CN214197315U - Be applied to wear-resisting anticorrosive seal structure of medical butterfly valve

Info

Publication number: CN214197315U
Application number: CN202022927079.6U
Authority: CN
Inventors: 毛仁林; 李向群; 袁玉良
Original assignee: Suzhou Industrial Park Tianyang Machinery Co ltd
Current assignee: Suzhou Industrial Park Tianyang Machinery Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-14
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a be applied to wear-resisting anticorrosive seal structure of medical butterfly valve, including valve body, valve shaft and valve plate, valve plate front end and rear end all are equipped with the fixed plate, the inboard fixed elastic buffer board that is equipped with of fixed plate, the inboard fixed closing plate that is equipped with of elastic buffer board, a plurality of cavitys have been seted up to the fixed plate inboard, the fixed frame that is equipped with of cavity inside, the fixed inside spring that is equipped with of fixed frame, the fixed movable rod that is equipped with of the spring other end, movable rod one end is passed elastic buffer board and closing plate and is fixed and be equipped with the fixture block. The utility model discloses a through setting up the closing plate, can seal the edge of valve plate, and the rotation of valve plate can not produce the friction to the closing plate for the wearing and tearing of closing plate are less, and life is longer, and sealed effect is better, and through the anticorrosive wear-resisting ceramic coating of surface spraying at valve body, valve shaft and valve plate, still can further improve its anticorrosive wear resistance.

Description

Be applied to wear-resisting anticorrosive seal structure of medical butterfly valve

Technical Field

The embodiment of the utility model provides a butterfly valve seal structure field, concretely relates to be applied to medical butterfly valve's wear-resisting anticorrosive seal structure.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. The butterfly valve sealing structure is a structure which is arranged in the valve body and prevents the edge of the valve plate from leaking water.

Most of existing butterfly valve sealing structures are provided with rubber sealing rings at the edges of valve plates, but the rubber sealing rings are easily damaged by long-time friction and liquid corrosion, so that water leakage at the edges of the valve plates can be caused, and the sealing effect can not be achieved.

SUMMERY OF THE UTILITY MODEL

For this, the embodiment of the utility model provides a be applied to wear-resisting anticorrosive seal structure of medical butterfly valve, through setting up the closing plate, can seal the edge of valve plate, and the rotation of valve plate can not produce the friction to the closing plate, make the wearing and tearing of closing plate less, long service life is longer, sealed effect is better, because butterfly valve seal structure sets up rubber seal at the valve plate edge mostly among the solution prior art, but rubber seal leaks through the corruption of long-time friction and liquid easily, can't play the problem of sealed effect again.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the wear-resistant and corrosion-resistant sealing structure applied to the medical butterfly valve comprises a valve body, a valve shaft and a valve plate, wherein the valve shaft is arranged inside the valve body, one end of the valve shaft is rotatably connected with the inner wall of the valve body through a bearing, the other end of the valve shaft penetrates through the outer end of the valve body and extends to the outer side of the valve body, the valve plate is arranged inside the valve body and penetrates through the valve plate, fixing plates are arranged at the front end and the rear end of the valve plate respectively, an elastic buffer plate is fixedly arranged inside each fixing plate, a sealing plate is fixedly arranged inside each elastic buffer plate, the inner sides of the two sealing plates are respectively contacted with the front end and the rear end of the valve plate, the inner sides of the two ends of each sealing plate are contacted with the outer end of the valve shaft, a plurality of cavities are formed in the inner side of each fixing plate, a fixing frame is fixedly arranged inside each cavity, a spring is arranged inside each fixing frame, one end of each spring is fixedly connected with the inner wall of the fixing frame, and a movable rod is fixedly arranged at the other end of each spring, the movable rod is arranged in the fixed frame, one end of the movable rod extends out of one end of the fixed frame, and one end of the movable rod penetrates through the elastic buffer plate and the sealing plate and is fixedly provided with a clamping block.

Further, the clamping groove has been all seted up to valve plate front end and rear end, the fixture block is established inside the clamping groove.

Further, an elastic buffer ring is fixedly arranged on the inner wall of the valve body, a sealing ring is fixedly arranged at the outer end of the elastic buffer ring, the inner end of the sealing ring is in contact with the outer end of the valve plate, and the valve shaft penetrates through the elastic buffer ring and the sealing ring.

Further, a handle is fixedly arranged at the other end of the valve shaft.

Furthermore, the fixing plate, the elastic buffer plate and the sealing plate are all in a semicircular shape.

Further, the sealing plate and the sealing ring are both made of polytetrafluoroethylene materials.

Further, the elastic buffer plate and the elastic buffer ring are both made of synthetic rubber materials.

Furthermore, the surfaces of the valve body, the valve shaft and the valve plate are all coated with anticorrosive wear-resistant ceramic coatings.

The embodiment of the utility model provides a have following advantage:

1. the utility model has the advantages that the edges of the front end and the rear end of the valve plate are in close contact with the inner side of the sealing plate, the clamping block is clamped inside the clamping groove, compared with the prior art, the edge of the valve plate can be sealed, and the rotation of the valve plate can not generate friction on the sealing plate, so that the abrasion of the sealing plate is smaller, the service life is longer, and the sealing effect is better;

2. the utility model discloses an outer end and the inner in close contact with of sealing washer of valve plate compare with prior art, can realize double seal to the edge of valve plate, and sealed effect is better, the more difficult condition that appears leaking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a schematic view of the overall top cross-sectional structure provided by the present invention;

fig. 3 is a schematic view of an overall front sectional structure provided by the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention;

in the figure: 1 valve body, 2 valve shafts, 3 valve plates, 4 fixed plates, 5 elastic buffer plates, 6 sealing plates, 7 cavities, 8 fixed frames, 9 springs, 10 movable rods, 11 clamping blocks, 12 clamping grooves, 13 elastic buffer rings, 14 sealing rings, 15 handles and 16 bearings.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-4 of the specification, the wear-resistant and corrosion-resistant sealing structure applied to the medical butterfly valve in the embodiment comprises a valve body 1, a valve shaft 2 and a valve plate 3, wherein the valve shaft 2 is arranged inside the valve body 1, one end of the valve shaft 2 is rotatably connected with the inner wall of the valve body 1 through a bearing 16, the other end of the valve shaft 2 penetrates through the outer end of the valve body 1 and extends to the outer side of the valve body 1, the valve plate 3 is arranged inside the valve body 1, the valve shaft 2 penetrates through the valve plate 3, fixing plates 4 are arranged at the front end and the rear end of the valve plate 3, an elastic buffer plate 5 is fixedly arranged inside the fixing plates 4, sealing plates 6 are fixedly arranged inside the elastic buffer plate 5, the inner sides of the two sealing plates 6 are respectively contacted with the front end and the rear end of the valve plate 3, the inner sides of the two ends of the sealing plates 6 are contacted with the outer end of the valve shaft 2, a plurality of cavities 7 are arranged inside the fixing plates 4, a fixing frame 8 is fixedly arranged inside the cavities 7, the improved structure of the automobile door is characterized in that a spring 9 is arranged inside the fixed frame 8, one end of the spring 9 is fixedly connected with the inner wall of the fixed frame 8, a movable rod 10 is fixedly arranged at the other end of the spring 9, the movable rod 10 is arranged inside the fixed frame 8, one end of the movable rod extends out of one end of the fixed frame 8, and one end of the movable rod 10 penetrates through the elastic buffer plate 5 and the sealing plate 6 and is fixedly provided with a clamping block 11.

Further, draw-in groove 12 has all been seted up to 3 front ends of valve plate and rear end, fixture block 11 is established inside draw-in groove 12, and the card of the fixture block 11 of being convenient for is gone into, can carry out some shutoff to 3 outer lanes of valve plate.

Further, fixed elastic buffer circle 13 that is equipped with on the 1 inner wall of valve body, the fixed sealing washer 14 that is equipped with in elastic buffer circle 13 outer end, sealing washer 14 inner contacts with 3 outer ends of valve plate, valve shaft 2 passes elastic buffer circle 13 and sealing washer 14, can realize double sealing to the edge of valve plate 3, and sealed effect is better, the more difficult condition that leaks that appears.

Further, a handle 15 is fixedly arranged at the other end of the valve shaft 2, so that the valve shaft 2 can be conveniently rotated.

Furthermore, the fixing plate 4, the elastic buffer plate 5 and the sealing plate 6 are all semicircular, so that the edge of the valve plate 3 can be better sealed.

Further, the sealing plate 6 and the sealing ring 14 are both made of polytetrafluoroethylene materials, and the materials are wear-resistant, corrosion-resistant and high-temperature-resistant.

Furthermore, the elastic buffer plate 5 and the elastic buffer ring 13 are both made of synthetic rubber materials, and have certain elastic action, so that the sealing plate 6 and the sealing ring 14 can be in closer contact with the valve plate 3, and the sealing effect is better.

Further, the surfaces of the valve body, the valve shaft and the valve plate are all coated with anticorrosive wear-resistant ceramic coatings, so that the anticorrosive wear-resistant performance of the valve body, the valve shaft and the valve plate can be further improved.

The implementation scenario is specifically as follows: installing the elastic buffer ring 13 and the sealing ring 14 on the inner wall of the valve body 1, then installing the valve shaft 2 and the valve plate 3 inside the valve body 1, and finally installing the two fixing plates 4, the two elastic buffer plates 5 and the two sealing plates 6 at the front and rear ends of the valve plate 3 respectively, so that the clamping block 11 is clamped inside the clamping groove 12, rotating the handle 15, the handle 15 drives the valve shaft 2 to rotate, the valve shaft 2 drives the valve plate 3 to rotate, the valve plate 3 rotates vertically, the pipeline is communicated at the moment, reversely rotating the handle 15, the valve plate 3 can rotate to the transverse direction again, at the moment, the outer end of the valve plate 3 is in close contact with the inner end of the sealing ring 14, the front and rear end edges of the valve plate 3 can be in close contact with the inner side of the sealing plate 6, the clamping block 11 is clamped inside the clamping groove 12, the utility model can seal the edges of the valve plate 3 by arranging the sealing plate 6, and the rotation of the valve plate 3 can not generate friction to the sealing plate 6, make closing plate 6's wearing and tearing less, long service life, sealed effect is better, through setting up sealing washer 14, can realize double seal to the edge of valve plate 3, sealed effect is better, the condition of leaking more is difficult for appearing, this embodiment has specifically solved among the prior art butterfly valve seal structure and has set up rubber seal at the valve plate edge mostly, but rubber seal is damaged through the corruption of long-time friction and liquid easily, this can lead to valve plate edge to leak, can't play the problem of sealed effect again.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a be applied to wear-resisting anticorrosive seal structure of medical butterfly valve, includes valve body (1), valve shaft (2) and valve plate (3), establish inside valve body (1) valve shaft (2), valve shaft (2) one end is passed through bearing (16) with valve body (1) inner wall and is rotated the connection, valve shaft (2) other end passes valve body (1) outer end and extends to the valve body (1) outside, establish inside valve body (1) valve plate (3), valve shaft (2) run through valve plate (3), its characterized in that: valve plate (3) front end and rear end all are equipped with fixed plate (4), fixed plate (4) inboard is fixed and is equipped with elastic buffer board (5), elastic buffer board (5) inboard is fixed and is equipped with closing plate (6), two closing plate (6) inboard contacts with valve plate (3) front and back end respectively, closing plate (6) both ends inboard contacts with valve shaft (2) outer end, a plurality of cavitys (7) have been seted up to fixed plate (4) inboard, cavity (7) inside fixed be equipped with fixed frame (8), fixed frame (8) inside is equipped with spring (9), spring (9) one end and fixed frame (8) inner wall fixed connection, spring (9) other end fixed is equipped with movable rod (10), movable rod (10) are established and extend fixed frame (8) one end in fixed frame (8) inside and one end, movable rod (10) one end passes elastic buffer board (5) and closing plate (6) and is fixed to be equipped with the fixture block (10) (11).

2. The wear-resistant and corrosion-resistant sealing structure applied to the medical butterfly valve according to claim 1, characterized in that: clamping grooves (12) are formed in the front end and the rear end of the valve plate (3), and the clamping blocks (11) are arranged inside the clamping grooves (12).

3. The wear-resistant and corrosion-resistant sealing structure applied to the medical butterfly valve according to claim 1, characterized in that: the valve is characterized in that an elastic buffer ring (13) is fixedly arranged on the inner wall of the valve body (1), a sealing ring (14) is fixedly arranged at the outer end of the elastic buffer ring (13), the inner end of the sealing ring (14) is in contact with the outer end of the valve plate (3), and the valve shaft (2) penetrates through the elastic buffer ring (13) and the sealing ring (14).

4. The wear-resistant and corrosion-resistant sealing structure applied to the medical butterfly valve according to claim 1, characterized in that: the other end of the valve shaft (2) is fixedly provided with a handle (15).

5. The wear-resistant and corrosion-resistant sealing structure applied to the medical butterfly valve according to claim 1, characterized in that: the fixing plate (4), the elastic buffer plate (5) and the sealing plate (6) are all in a semicircular shape.

6. The wear-resistant and corrosion-resistant sealing structure applied to the medical butterfly valve according to claim 3, wherein: the sealing plate (6) and the sealing ring (14) are both made of polytetrafluoroethylene materials.

7. The wear-resistant and corrosion-resistant sealing structure applied to the medical butterfly valve according to claim 3, wherein: the elastic buffer plate (5) and the elastic buffer ring (13) are both made of synthetic rubber materials.

8. The wear-resistant and corrosion-resistant sealing structure applied to the medical butterfly valve according to claim 1, characterized in that: the valve body (1), the valve shaft (2) and the valve plate (3) are all coated with anticorrosive wear-resistant ceramic coatings.