CN209654624U - Three eccentricity hard seal butterfly valve - Google Patents
Three eccentricity hard seal butterfly valve Download PDFInfo
- Publication number
- CN209654624U CN209654624U CN201822095482.XU CN201822095482U CN209654624U CN 209654624 U CN209654624 U CN 209654624U CN 201822095482 U CN201822095482 U CN 201822095482U CN 209654624 U CN209654624 U CN 209654624U
- Authority
- CN
- China
- Prior art keywords
- valve
- annular groove
- valve rod
- sealing block
- hard seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses three eccentricity hard seal butterfly valve, including valve body, valve seat and valve plate, valve seat inner periphery is equipped with fixing groove；Valve plate outer circle offers annular groove, and annular groove inside connects sealing block by spring；One side surface of valve plate is fixedly installed with fixed plate, and axle sleeve is offered among fixed plate, and axle sleeve is internally provided with valve rod；Valve rod both ends outer surface is socketed with sealing shroud, and airtight and watertight padding is filled with inside sealing shroud, and the right end of valve rod is provided with annular shaft, and the left end of valve rod is fixedly installed with valve rod driving device, is connected with handwheel above valve rod driving device.The utility model overcomes the deficiencies in the prior art; design is reasonable; it is compact-sized; when closed by valve plate, sealing block is retracted into annular groove when contacting with fixing groove because of squeezing action; and after closing in place; sealing block then utilizes the elastic reaction of spring and pops up again, and then can play the role of sealing function, so as to play resilient protection to sealing block.
Description
Technical field
The utility model relates to valve technology fields, and in particular to three eccentricity hard seal butterfly valve.
Background technique
With the development of industrial technology, common butterfly valve can not meet industrial demand, want to meet various operating conditions
It asks, butterfly valve successively experienced concentric, single eccentric, double eccentric and three eccentricity differentiation.The valve rod axle center of three-eccentric-butterfly-valve is inclined simultaneously
It is two bias from butterfly plate center and body central, sealing pair is that scalene cone is third bias, and unique eccentric structure makes
It has the sealing performance for the more closing the more tight.
And its sealing ring outer surface of current three-eccentric-butterfly-valve is a part of an external conical surface spatially, entirely
Rotary table surface is in contact with valve seat, thus have preferable intensity, do not allow during opening and closing it is easy to wear, have it is longer
Service life, still, the sealing ring elasticity of this structure is poor, and pressure forced seal, In are belonged between sealing ring and valve seat
It can sealing effect variation after long-time use；And the valve plate of current three-eccentric-butterfly-valve also be easy should use for a long time and under
Pendant, to easily lead to stuck and leakage.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides three eccentricity hard seal butterfly valve, overcomes the prior art
Deficiency, design is rationally, compact-sized, is connected by opening up annular groove in valve plate external peripheral surface, and in a ring groove by spring
Sealing block is connect, makes valve plate when closed, sealing block is retracted into annular groove when contacting with fixing groove because of squeezing action, and
After closing in place, sealing block then utilizes the elastic reaction of spring and pops up again, and then can play sealing function, so as to
It is enough to play the role of resilient protection to sealing block；By the way that valve rod horizontal anomalous movement is connected to valve inner, recycle fixed plate by valve
Plate is fixed with valve rod, overturns valve plate in the horizontal direction when in use, so as to prevent valve plate cause because of tenesmus it is stuck and
Leakage.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
Three eccentricity hard seal butterfly valve, including valve body, valve seat and valve plate, the valve seat are fixedly connected on valve body inner periphery,
Fixing groove is fixedly connected on the valve seat inner periphery；The valve plate external peripheral surface offers annular groove, in the annular groove
Portion is uniformly fixedly connected with one end of spring, and the spring other end is fixedly connected with sealing block, the sealing block outer surface with
Fixing groove is flexibly connected；One side surface of valve plate is fixedly installed with fixed plate, and axle sleeve is offered among the fixed plate, described
Axle sleeve is internally provided with valve rod, and the valve rod is fixedly mounted on inside axle sleeve by spiral pin；Valve rod both ends outer surface covers
It is connected to sealing shroud, is filled with airtight and watertight padding inside the sealing shroud, the right end of the valve rod is provided with annular shaft, the annular
Shaft outer surface is fixedly mounted on inside on the right side of valve body, and the valve rod is movably connected in inside on the right side of valve body by annular shaft,
The left end of the valve rod is fixedly installed with valve rod driving device through valve body left-hand face, passes through above the valve rod driving device
Drive rod is connected with handwheel.
Preferably, the sealing block is located at the width that the width inside annular groove is slightly larger than annular groove outlet.
Preferably, the fixing groove and sealing block contact surface are set as curved shape.
Preferably, the annular groove is divided into annular groove and lower annular groove two parts, the upper annular groove and lower annular groove
It is contrary with sealing block contact surface.
Preferably, the fixing groove and sealing block contact surface are fixedly connected with sealant.
Preferably, reinforcement ear is fixedly connected with above the valve body.
Preferably, support base is fixedly connected with below the valve body.
(3) beneficial effect
The utility model embodiment provides three eccentricity hard seal butterfly valve.Have following the utility model has the advantages that by outside valve plate
Circumferential surface opens up annular groove, and connects sealing block by spring in a ring groove, makes valve plate when closed, sealing block with it is solid
When determining slot contact, it is retracted into because of squeezing action in annular groove, and after closing in place, sealing block then utilizes the elasticity of spring to make
With and pop up again, and then sealing function can be played the role of, so as to play resilient protection to sealing block；By by valve rod
Horizontal anomalous movement is connected to valve inner, and fixed plate is recycled to fix valve plate and valve rod, makes valve plate when in use in the horizontal direction
Overturning, so as to prevent valve plate from leading to stuck and leakage because of tenesmus.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model valve plate；
Fig. 3 is the diagrammatic cross-section inside the utility model；
Fig. 4 is the partial enlarged view in Fig. 3 at A；
Figure label explanation:
1, valve body；2, valve seat；3, valve plate；4, fixing groove；5, annular groove；6, spring；7, sealing block；8, fixed plate；9, axis
Set；10, valve rod；11, spiral pin；12, sealing shroud；13, annular shaft；14, valve rod driving device；15, drive rod；16, handwheel；
17, sealant；18, reinforce ear；19, support base.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Three eccentricity hard seal butterfly valve, including valve body 1, valve seat 2 and valve plate 3, the valve seat 2 are fixedly connected on 1 inner circle of valve body
Zhou Shang is fixedly connected with fixing groove 4 on 2 inner periphery of valve seat；3 external peripheral surface of valve plate offers annular groove 5, described
5 inside of annular groove is uniformly fixedly connected with one end of spring 6, and 6 other end of spring is fixedly connected with sealing block 7, described close
Envelope 7 outer surface of block is flexibly connected with fixing groove 4；3 one side surface of valve plate is fixedly installed with fixed plate 8, in the fixed plate 8
Between offer axle sleeve 9, the axle sleeve 9 is internally provided with valve rod 10, and the valve rod 10 is fixedly mounted in axle sleeve 9 by spiral pin 11
Portion；The 10 both ends outer surface of valve rod is socketed with sealing shroud 12, is filled with airtight and watertight padding, the valve inside the sealing shroud 12
The right end of bar 10 is provided with annular shaft 13, and 13 outer surface of the annular shaft is fixedly mounted on 1 right side inside of valve body, the valve
Bar 10 passes through annular shaft 13 and is movably connected in 1 right side inside of valve body, and the left end of the valve rod 10 is solid through 1 left-hand face of valve body
Dingan County is equipped with valve rod driving device 14, passes through drive rod 15 above the valve rod driving device 14 and is connected with handwheel 16.
The sealing block 7 is located at the width inside annular groove 5 and is slightly larger than the width that annular groove 5 exports.So as to limit
The scope of activities of sealing block 7, to prevent sealing block 7 from popping up annular groove 5
The fixing groove 4 is set as curved shape with 7 contact surface of sealing block.To be conducive to device when closed, 7 energy of sealing block
It enough can smoothly enter into annular groove 5 and pop up.
The annular groove 5 divides for upper annular groove and lower annular groove two parts, the upper annular groove and lower annular groove and sealing
7 contact surface of block it is contrary.Consequently facilitating valve plate is closed.
The fixing groove 4 is fixedly connected with sealant 17 with 7 contact surface of sealing block.To increase the leakproofness of device.
It is fixedly connected with above the valve body 1 and reinforces ear 18.Effect by reinforcing ear 18 can make device more firm.
Support base 19 is fixedly connected with below the valve body 1.Consequently facilitating the installation of device supports, keep device more firm.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (7)
1. three eccentricity hard seal butterfly valve, including valve body (1), valve seat (2) and valve plate (3), it is characterised in that: the valve seat (2) is solid
Surely it is connected on valve body (1) inner periphery, is fixedly connected with fixing groove (4) on valve seat (2) inner periphery；The valve plate (3) is outside
Circumferential surface offers annular groove (5), the internal one end for being uniformly fixedly connected with spring (6) of the annular groove (5), the spring
(6) other end is fixedly connected with sealing block (7), and sealing block (7) outer surface is flexibly connected with fixing groove (4)；The valve plate
(3) one side surfaces are fixedly installed with fixed plate (8), are offered axle sleeve (9) among the fixed plate (8), and the axle sleeve (9) is internal
It is provided with valve rod (10), the valve rod (10) is fixedly mounted on axle sleeve (9) inside by spiral pin (11)；Valve rod (10) both ends
Outer surface is socketed with sealing shroud (12), and airtight and watertight padding, the right end of the valve rod (10) are filled with inside the sealing shroud (12)
It is provided with annular shaft (13), described annular shaft (13) outer surface is fixedly mounted on internal on the right side of valve body (1), the valve rod
(10) inside on the right side of valve body (1) is movably connected in by annular shaft (13), the left end of the valve rod (10) is left through valve body (1)
Side surface is fixedly installed with valve rod driving device (14), is connected with above the valve rod driving device (14) by drive rod (15)
Handwheel (16).
2. three eccentricity hard seal butterfly valve according to claim 1, it is characterised in that: the sealing block (7) is located at annular groove
(5) internal width is slightly larger than the width of annular groove (5) outlet.
3. three eccentricity hard seal butterfly valve according to claim 1, it is characterised in that: the fixing groove (4) and sealing block (7)
Contact surface is set as curved shape.
4. three eccentricity hard seal butterfly valve according to claim 1, it is characterised in that: the annular groove (5) is divided into annular
Slot and lower annular groove two parts, the upper annular groove and lower annular groove are contrary with sealing block (7) contact surface.
5. three eccentricity hard seal butterfly valve according to claim 1, it is characterised in that: the fixing groove (4) and sealing block (7)
Contact surface is fixedly connected with sealant (17).
6. three eccentricity hard seal butterfly valve according to claim 1, it is characterised in that: be fixedly connected above the valve body (1)
There are reinforcement ear (18).
7. three eccentricity hard seal butterfly valve according to claim 1, it is characterised in that: be fixedly connected below the valve body (1)
There are support base (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822095482.XU CN209654624U (en) | 2018-12-13 | 2018-12-13 | Three eccentricity hard seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822095482.XU CN209654624U (en) | 2018-12-13 | 2018-12-13 | Three eccentricity hard seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654624U true CN209654624U (en) | 2019-11-19 |
Family
ID=68508028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822095482.XU Expired - Fee Related CN209654624U (en) | 2018-12-13 | 2018-12-13 | Three eccentricity hard seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189886A (en) * | 2023-11-07 | 2023-12-08 | 江苏特一机械股份有限公司 | Three-eccentric bidirectional sealing butterfly valve |
-
2018
- 2018-12-13 CN CN201822095482.XU patent/CN209654624U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189886A (en) * | 2023-11-07 | 2023-12-08 | 江苏特一机械股份有限公司 | Three-eccentric bidirectional sealing butterfly valve |
| CN117189886B (en) * | 2023-11-07 | 2024-01-12 | 江苏特一机械股份有限公司 | Three-eccentric bidirectional sealing butterfly valve |
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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: 20191119 Termination date: 20201213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |