CN214197315U - Wear-resistant and anti-corrosion sealing structure applied to medical butterfly valve - Google Patents
Wear-resistant and anti-corrosion sealing structure applied to medical butterfly valve Download PDFInfo
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- CN214197315U CN214197315U CN202022927079.6U CN202022927079U CN214197315U CN 214197315 U CN214197315 U CN 214197315U CN 202022927079 U CN202022927079 U CN 202022927079U CN 214197315 U CN214197315 U CN 214197315U
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- 238000007789 sealing Methods 0.000 title claims abstract description 71
- 238000005260 corrosion Methods 0.000 title claims abstract description 17
- 238000005524 ceramic coating Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 239000005061 synthetic rubber Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005507 spraying Methods 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 6
- 239000005060 rubber Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
本实用新型公开了一种应用于医用蝶阀的耐磨防腐密封结构，包括阀体、阀轴和阀板，所述阀板前端和后端均设有固定板，所述固定板内侧固定设有弹性缓冲板，所述弹性缓冲板内侧固定设有密封板，所述固定板内侧开设有多个空腔，所述空腔内部固定设有固定框，所述固定框内部设有弹簧，所述弹簧另一端固定设有活动杆，所述活动杆一端穿过弹性缓冲板和密封板并固定设有卡块。本实用新型通过通过设置密封板，可以将阀板的边缘处密封住，且阀板的转动不会对密封板产生摩擦，使得密封板的磨损较小，使用寿命较长，密封效果较好，且通过在阀体、阀轴和阀板表面喷涂防腐耐磨陶瓷涂层，还可进一步改善其防腐耐磨性能。
The utility model discloses a wear-resistant and anti-corrosion sealing structure applied to a medical butterfly valve. An elastic buffer plate, a sealing plate is fixed on the inner side of the elastic buffer plate, a plurality of cavities are opened on the inner side of the fixed plate, a fixing frame is fixed inside the cavities, and a spring is arranged inside the fixing frame, and the A movable rod is fixed at the other end of the spring, and one end of the movable rod passes through the elastic buffer plate and the sealing plate and is fixed with a clamping block. The utility model can seal the edge of the valve plate by arranging the sealing plate, and the rotation of the valve plate will not cause friction to the sealing plate, so that the wear of the sealing plate is small, the service life is long, and the sealing effect is better. And by spraying anti-corrosion and wear-resistant ceramic coating on the surface of valve body, valve shaft and valve plate, its anti-corrosion and wear-resistant performance can be further improved.
Description
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 (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022927079.6U CN214197315U (en) | 2020-12-07 | 2020-12-07 | Wear-resistant and anti-corrosion sealing structure applied to medical butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022927079.6U CN214197315U (en) | 2020-12-07 | 2020-12-07 | Wear-resistant and anti-corrosion sealing structure applied to medical butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214197315U true CN214197315U (en) | 2021-09-14 |
Family
ID=77650847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022927079.6U Expired - Fee Related CN214197315U (en) | 2020-12-07 | 2020-12-07 | Wear-resistant and anti-corrosion sealing structure applied to medical butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214197315U (en) |
-
2020
- 2020-12-07 CN CN202022927079.6U patent/CN214197315U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210914 |
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| CF01 | Termination of patent right due to non-payment of annual fee |