CN212616619U - Large-diameter three-eccentric butterfly valve of steam extraction pipeline - Google Patents
Large-diameter three-eccentric butterfly valve of steam extraction pipeline Download PDFInfo
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- CN212616619U CN212616619U CN202021158263.2U CN202021158263U CN212616619U CN 212616619 U CN212616619 U CN 212616619U CN 202021158263 U CN202021158263 U CN 202021158263U CN 212616619 U CN212616619 U CN 212616619U
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- valve body
- steam extraction
- buffer
- extraction pipeline
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Abstract
The utility model discloses a three eccentric butterfly valves of steam extraction pipeline heavy-calibre, including the butterfly valve body, the butterfly valve body outside is equipped with a pair of protection piece, and the protection piece is including the side protecting crust, and side protecting crust inboard is equipped with a plurality of linkage boards, and linkage board and butterfly valve body outer wall fixed connection are connected with the protection spring between side protecting crust and the linkage board, and a pair of protection piece lower extreme is connected with the bolster, and the bolster includes the bottom plate, and it has the dashpot to open in the bottom plate, and the dashpot in-connection has the fixed column, and sliding connection has two buffering slides on the fixed column, and it has the linkage commentaries on classi. The utility model discloses a set up buffering protection device on the butterfly valve, to the damage of butterfly valve body when can reducing external impact, reduce the influence that external impact is connected between to butterfly valve and the steam extraction pipeline simultaneously, not only can protect the normal work of butterfly valve and steam extraction pipeline, also can improve the life of butterfly valve and steam extraction pipeline.
Description
Technical Field
The utility model belongs to the technical field of the pipeline valve, concretely relates to three eccentric butterfly valves of steam extraction pipeline heavy-calibre.
Background
The butterfly valve is also called a flap valve, and is a regulating valve with a simple structure, 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, and mainly plays a role in cutting off and throttling on a pipeline.
Present butterfly valve for steam extraction pipeline lacks protection device usually, the valve body takes place to damage easily when receiving external force striking, lead to the valve body can not normal use, increase user's cost of maintenance, increase working strength, it is not hard up to probably lead to being connected between valve body and the pipeline to take place during external force striking simultaneously, cause revealing of inside fluid, perhaps lead to outside impurity to get into inside the pipeline, lead to the pipeline to take place the corrosion, damage etc., seriously influence the normal use of pipeline, reduce the life of pipeline and valve body, also can influence backheat air exhaust system's work progress.
Therefore, in order to solve the above technical problems, it is necessary to provide a large-diameter triple offset butterfly valve for a steam extraction pipe.
Disclosure of Invention
An object of the utility model is to provide a three eccentric butterfly valves of steam extraction pipeline heavy-calibre to solve the above-mentioned butterfly valve that has on the current steam extraction pipeline and lack protection device, take place the problem of damage easily when receiving external impact.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
the utility model provides a three eccentric butterfly valves of steam extraction pipeline heavy-calibre, includes the butterfly valve body, the butterfly valve body outside is equipped with a pair of protection piece, the protection piece is including the side protecting crust, the side protecting crust inboard is equipped with a plurality of linkage boards, linkage board and butterfly valve body outer wall fixed connection, be connected with the protection spring between side protecting crust and the linkage board, it is a pair of the protection piece lower extreme is connected with the bolster, the bolster includes the bottom plate, the dashpot has been seted up in the bottom plate, the dashpot in-connection has the fixed column, sliding connection has two buffering slides on the fixed column, it has the linkage commentaries on classics board to articulate between buffering slide and the side.
Further, two the equal fixedly connected with buffer spring of one end that the buffering slide was kept away from each other, buffer spring and bottom plate inner wall fixed connection, and buffer spring locate the fixed column outside, and buffer spring can restrict the slip of buffering slide, reduces the probability of buffering slide and the direct striking of bottom plate inner wall, and buffer spring cooperation buffering slide's slip can play the effect of buffering partial pressure simultaneously, reduces the probability that the butterfly valve body formed the damage when receiving external force and assaulted.
Further, be connected with flexible post, two between butterfly valve body and the dashpot the buffering slide sets up about the axis symmetry of flexible post, and flexible post cooperation buffering slide can cushion this ascending power when the butterfly valve body receives the ascending external force impact of equidirectional, reduces the butterfly valve body damage of external force right.
Further, flexible post and fixed column fixed connection, be connected with auxiliary spring between butterfly valve body and the fixed column, auxiliary spring locates the flexible post outside, and flexible post lower extreme chisels has the through hole, and the fixed column passes through hole and flexible post fixed connection, can restrict the displacement range of buffering slide for two buffering slides displacement are difficult too big, lead to two buffering slides or butterfly valve body and bottom plate to bump, improve relevant parts's life.
Further, a plurality of the connection plates are arranged on the outer wall of the butterfly valve body in a circumferential mode, the connection plates are attached to the outer wall of the butterfly valve body, the connection plates are closely attached to the butterfly valve body, and the butterfly valve body can be protected from being damaged due to the fact that the side protection shell and the protection spring are matched.
Furthermore, it is a pair of the side protecting crust sets up about the axis symmetry of butterfly valve body, and the side protecting crust is elastic rubber material, and the side protecting crust is the annular setting and with butterfly valve body phase-match, can at first cushion external force when external force strikes, and the cooperation protection spring can protect the butterfly valve body not receive the damage better.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a set up buffering protection device on the butterfly valve, to the damage of butterfly valve body when can reducing external impact, reduce the influence that external impact is connected between to butterfly valve and the steam extraction pipeline simultaneously, not only can protect the normal work of butterfly valve and steam extraction pipeline, also can improve the life of butterfly valve and steam extraction pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a large-diameter triple offset butterfly valve of a steam extraction pipeline according to an embodiment of the present invention;
fig. 2 is a sectional view of a part of a structure of a large-diameter triple eccentric butterfly valve of a steam extraction pipeline according to an embodiment of the present invention.
In the figure: 1. the butterfly valve comprises a butterfly valve body, 2 protection pieces, 201 side protection shells, 202 connecting plates, 203 protection springs, 3 buffer pieces, 301 bottom plates, 302 buffer grooves, 303 fixed columns, 304 buffer sliding plates, 305 linkage rotating plates, 306 buffer springs, 307 telescopic columns and 308 auxiliary springs.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.
The utility model discloses a three eccentric butterfly valves of steam extraction pipeline heavy-calibre, refer to fig. 1-fig. 2 and show, including butterfly valve body 1, butterfly valve body 1 outside is equipped with a pair of protection piece 2, protection piece 2 is including side protecting crust 201, side protecting crust 201 inboard is equipped with a plurality of linkage plate 202, linkage plate 202 and 1 outer wall fixed connection of butterfly valve body, be connected with protection spring 203 between side protecting crust 201 and the linkage plate 202, it is preferred, linkage plate 202 is equipped with threely, protection spring 203 is equipped with two, and protection spring 203 is compression spring, side protecting crust 201, linkage plate 202 and protection spring 203's mutually supporting can reduce the probability that butterfly valve body 1 outer wall formed the damage when external force striking, guarantee butterfly valve body 1's normal use.
Wherein, a plurality of linkage plate 202 circumference setting on the outer wall of butterfly valve body 1, and linkage plate 202 laminates with 1 outer wall of butterfly valve body mutually, linkage plate 202 closely laminates with butterfly valve body 1, cooperation side protecting crust 201 and protection spring 203, can protect butterfly valve body 1 not damaged, a pair of side protecting crust 201 sets up about butterfly valve body 1 axis symmetry, and side protecting crust 201 is the elastic rubber material, side protecting crust 201 be the annular setting and with butterfly valve body 1 phase-match, can at first cushion external force when external force strikes, cooperation protection spring 203 can protect butterfly valve body 1 not damaged better.
Referring to fig. 1, the pair of protection parts 2 are connected with buffer parts 3 at lower ends thereof, the protection parts 2 and the buffer parts 3 cooperate with each other to buffer and divide external force in multiple directions, so as to further reduce damage to the butterfly valve body 1 when the external force impacts, the buffer parts 3 include a bottom plate 301, the bottom plate 301 is disposed right below the butterfly valve body 1, a buffer groove 302 is drilled in the bottom plate 301, a fixed column 303 is connected in the buffer groove 302, the fixed column 303 is fixedly connected with an inner wall of the bottom plate 301, two buffer sliding plates 304 are slidably connected on the fixed column 303, an engagement groove is drilled on the buffer sliding plate 304, the engagement groove is matched with the fixed column 303, the fixed column 303 passes through the engagement groove to be slidably connected with the buffer sliding plate 304, a linkage rotating plate 305 is hinged between the buffer sliding plate 304 and the protection shell 201, a buffer spring 306 is fixedly connected at an end of each two buffer sliding plates 304, buffer spring 306 and bottom plate 301 inner wall fixed connection, and buffer spring 306 locates the fixed column 303 outside, and buffer spring 306 can restrict the slip of buffering slide 304, reduces the probability of buffering slide 304 and the direct striking of bottom plate 301 inner wall, and buffer spring 306 cooperates the slip of buffering slide 304 simultaneously, can play the effect of buffering partial pressure, reduces the probability that butterfly valve body 1 formed the damage when receiving external force and assaulting.
Specifically, the upper end of the buffer sliding plate 304 is provided with a pair of connection blocks, a first rotating shaft is fixedly connected between the pair of connection blocks, the linkage rotating plate 305 is rotatably connected with the first rotating shaft, a rotating groove is formed in the lower end of the side protective shell 201, a second rotating shaft is fixedly connected in the rotating groove, and the upper end of the linkage rotating plate 305 is rotatably connected with the second rotating shaft.
Referring to fig. 2, a telescopic column 307 is connected between the butterfly valve body 1 and the buffer slot 302, two buffer sliding plates 304 are symmetrically arranged about a central axis of the telescopic column 307, when the butterfly valve body 1 is impacted by external forces in different directions due to the telescopic column 307 and the buffer sliding plates 304, the force in the direction is buffered, the damage of the butterfly valve body 1 caused by external force is reduced, the telescopic column 307 is fixedly connected with the fixed column 303, an auxiliary spring 308 is connected between the butterfly valve body 1 and the fixed column 303, the auxiliary spring 308 is a compression spring, the auxiliary spring 308 is arranged on the outer side of the telescopic column 307, a through hole is cut at the lower end of the telescopic column 307, the fixed column 303 is fixedly connected with the telescopic column 307 through the through hole, the moving range of the buffer sliding plate 304 can be limited, so that the moving distance of the two buffer sliding plates 304 is not easy to be too large, the two buffer sliding plates 304 or the butterfly valve body 1 collide with the bottom plate 301, and the service life of related parts is prolonged.
The utility model discloses a set up buffering protection device on the butterfly valve, to the damage of butterfly valve body when can reducing external impact, reduce the influence that external impact is connected between to butterfly valve and the steam extraction pipeline simultaneously, not only can protect the normal work of butterfly valve and steam extraction pipeline, also can improve the life of butterfly valve and steam extraction pipeline.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (6)
1. A large-caliber triple-eccentric butterfly valve of a steam extraction pipeline comprises a butterfly valve body (1) and is characterized in that, a pair of protection pieces (2) are arranged on the outer side of the butterfly valve body (1), each protection piece (2) comprises a side protection shell (201), a plurality of connecting plates (202) are arranged on the inner side of the side protective shell (201), the connecting plates (202) are fixedly connected with the outer wall of the butterfly valve body (1), a protection spring (203) is connected between the side protection shell (201) and the connecting plate (202), the lower ends of the protection parts (2) are connected with a buffer part (3), the buffer piece (3) comprises a bottom plate (301), a buffer groove (302) is chiseled in the bottom plate (301), a fixed column (303) is connected in the buffer groove (302), two buffer sliding plates (304) are connected on the fixed column (303) in a sliding manner, a linkage rotating plate (305) is hinged between the buffer sliding plate (304) and the side protective shell (201).
2. The large-caliber triple-eccentric butterfly valve of the steam extraction pipeline according to claim 1, wherein one ends of the two buffer sliding plates (304) far away from each other are fixedly connected with buffer springs (306), the buffer springs (306) are fixedly connected with the inner wall of the bottom plate (301), and the buffer springs (306) are arranged on the outer sides of the fixed columns (303).
3. The large-caliber triple-eccentric butterfly valve for the steam extraction pipeline according to claim 1, wherein a telescopic column (307) is connected between the butterfly valve body (1) and the buffer groove (302), and the two buffer sliding plates (304) are symmetrically arranged about a central axis of the telescopic column (307).
4. The large-caliber triple-eccentric butterfly valve of the steam extraction pipeline according to claim 3, wherein the telescopic column (307) is fixedly connected with the fixed column (303), an auxiliary spring (308) is connected between the butterfly valve body (1) and the fixed column (303), and the auxiliary spring (308) is arranged on the outer side of the telescopic column (307).
5. The large-caliber triple-eccentric butterfly valve for the steam extraction pipeline according to claim 1, wherein a plurality of the joint plates (202) are arranged on the circumference of the outer wall of the butterfly valve body (1), and the joint plates (202) are attached to the outer wall of the butterfly valve body (1).
6. The large-caliber triple-eccentric butterfly valve of the steam extraction pipeline according to claim 1, wherein a pair of the side protective shells (201) are symmetrically arranged about a central axis of the butterfly valve body (1), and the side protective shells (201) are made of elastic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021158263.2U CN212616619U (en) | 2020-06-22 | 2020-06-22 | Large-diameter three-eccentric butterfly valve of steam extraction pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021158263.2U CN212616619U (en) | 2020-06-22 | 2020-06-22 | Large-diameter three-eccentric butterfly valve of steam extraction pipeline |
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| CN212616619U true CN212616619U (en) | 2021-02-26 |
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| CN202021158263.2U Active CN212616619U (en) | 2020-06-22 | 2020-06-22 | Large-diameter three-eccentric butterfly valve of steam extraction pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670509A (en) * | 2021-07-14 | 2021-11-19 | 吴伟玲 | Pressure sensor |
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2020
- 2020-06-22 CN CN202021158263.2U patent/CN212616619U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670509A (en) * | 2021-07-14 | 2021-11-19 | 吴伟玲 | Pressure sensor |
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