CN206889699U - A kind of butterfly valve apparatus for being used to seal - Google Patents
A kind of butterfly valve apparatus for being used to seal Download PDFInfo
- Publication number
- CN206889699U CN206889699U CN201720767834.4U CN201720767834U CN206889699U CN 206889699 U CN206889699 U CN 206889699U CN 201720767834 U CN201720767834 U CN 201720767834U CN 206889699 U CN206889699 U CN 206889699U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- sealing ring
- butterfly
- annular
- 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 provides a kind of butterfly valve apparatus for being used to seal, including valve seat, sealing ring, valve shaft and butterfly plate；The inwall of the valve seat is provided with multiple annular grooves, and the outside of the sealing ring is provided with multiple annular lugs being adapted with annular groove；Sealing ring is arranged on the inner side of valve seat, the annular lug of sealing ring is embedded in the annular groove of valve seat；The butterfly plate is arranged on the inner side of sealing ring；Top, sealing ring and the butterfly plate that the valve shaft sequentially passes through valve seat are rotatably adapted to and are rotatablely connected with the top of valve seat and sealing ring respectively installed in the bottom of valve seat, valve shaft, and valve shaft passes through Special-Shaped Column and the profiled holes of butterfly plate connect.The utility model ensure that the sealing of butterfly valve, avoid the leakage of Bottomhole pressure medium, eliminates potential potential safety hazard, improves practicality.
Description
Technical field
It the utility model is related to water-tight equipment technical field, and in particular to a kind of butterfly valve apparatus for being used to seal.
Background technology
Butterfly valve is also known as flap valve, is a kind of regulating valve simple in construction, the shutter member (flap or butterfly plate) of butterfly valve is circle
Disk, shutter member are turned on or off around valve shaft rotation to reach, and the switch available for low pressure pipeline medium controls；For example, can
For controlling all kinds streams such as empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal, radiating medium
The flowing of body, it is main on pipeline to play cut-out and throttling action.It is close but the butterfly plate of existing butterfly valve is when following valve shaft to rotate
Seal is easy to twist with valve shaft, causes poorly sealed phenomenon, so as to cause the leakage of Bottomhole pressure medium, reduces reality
The property used.
Utility model content
For in the prior art the defects of, the utility model provide it is a kind of be used for seal butterfly valve apparatus, ensure that butterfly valve
Sealing, avoid the leakage of Bottomhole pressure medium, eliminate potential potential safety hazard, improve practicality.
The utility model provides a kind of butterfly valve apparatus for being used to seal, including valve seat, sealing ring, valve shaft and butterfly plate；Institute
The inwall for stating valve seat is provided with multiple annular grooves, and the outside of the sealing ring is provided with multiple annulars being adapted with annular groove
Projection；Sealing ring is arranged on the inner side of valve seat, the annular lug of sealing ring is embedded in the annular groove of valve seat；The butterfly plate
Installed in the inner side of sealing ring；Top, sealing ring and the butterfly plate that the valve shaft sequentially passes through valve seat are rotatably arranged on valve seat
Bottom, valve shaft is adapted to and is rotatablely connected with the top of valve seat and sealing ring respectively, and valve shaft passes through Special-Shaped Column and the abnormal shape of butterfly plate
Hole connects.
For the utility model by applying a twisting resistance to the upper end of valve shaft, valve shaft passes through Special-Shaped Column and profiled holes with butterfly plate
Cooperation, drive butterfly plate follow rotation, so as to realize the opening and closing of butterfly valve apparatus；The inwall of valve seat and the outside of sealing ring pass through more
The corresponding chimeric cooperation of individual annular groove and annular lug, it is close caused by reversing can be effectively prevented from band dynamic seal ring when butterfly plate rotates
Feng Buyan, so as to avoid the leakage of Bottomhole pressure medium, potential potential safety hazard is eliminated, improves practicality.
Preferably, the valve seat is provided with the mounting groove for being used for installing sealing ring, and sealing ring is provided with the mounting groove with valve seat
The annular installation projection of adaptation, the annular installation projection of sealing ring are entrenched in the mounting groove of valve seat.The mounting groove of valve seat and close
The design of the annular installation projection of seal, can be such that sealing ring is more firmly assemblied on valve seat, improve steadiness and sealing
Property.
Preferably, the valve seat is provided with annular material reducing groove, saves seat material, reduces being manufactured into for valve seat
This.
Preferably, multiple stiffener plates are equipped with the annular material reducing groove, ensure that the intensity of valve seat.
Preferably, the valve seat is provided with the limiting plate for being used for limiting play above and below valve shaft, avoids valve shaft and is disengaged with butterfly plate
Phenomenon, ensure that the normal work of valve shaft and butterfly plate.
Preferably, the quantity of the annular groove on the valve base inner wall is 2-4, it is ensured that the annular on valve base inner wall
The allocation optimum of groove.
Preferably, two are provided with the O-ring seal arranged up and down at the top of the valve seat and the assembling of valve shaft.It is O-shaped
The design of sealing ring, on the one hand play a part of sealing at the assembling of valve seat and valve shaft, centering on the other hand is played to valve shaft
Effect.
Preferably, the butterfly valve apparatus for sealing also includes rotating handles, and rotating handles passes through profiled holes and valve shaft upper end
Special-Shaped Column connection.The design personnel easy to operation of rotating handles screw to valve shaft.
The beneficial effects of the utility model are embodied in：
For the utility model by applying a twisting resistance to the upper end of valve shaft, valve shaft passes through Special-Shaped Column and profiled holes with butterfly plate
Cooperation, drive butterfly plate follow rotation, so as to realize the opening and closing of butterfly valve apparatus；The inwall of valve seat and the outside of sealing ring pass through more
The corresponding chimeric cooperation of individual annular groove and annular lug, it is close caused by reversing can be effectively prevented from band dynamic seal ring when butterfly plate rotates
Feng Buyan, so as to avoid the leakage of Bottomhole pressure medium, potential potential safety hazard is eliminated, improves practicality.In addition, valve
The design of the mounting groove of seat and the annular installation projection of sealing ring, can be such that sealing ring is more firmly assemblied on valve seat, improve
Steadiness and sealing.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to the ratios of reality
Draw.
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the sectional view of A-A in Fig. 1.
In accompanying drawing, 1- valve seats, 11- annular grooves, 12- mounting grooves, 13- annular material reducing grooves, 14- stiffener plates, 15- limits
Position plate, 16-O type sealing rings, 2- sealing rings, 21- annular lugs, 22- annular installation projections, 3- valve shafts, 4- butterfly plates, 5- rotation handles
Hand
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
As depicted in figs. 1 and 2, present embodiment discloses a kind of butterfly valve apparatus for being used to seal, including valve seat 1, sealing ring
2nd, valve shaft 3 and butterfly plate 4；The inwall of valve seat 1 is provided with multiple annular grooves 11, and the outside of sealing ring 2 is provided with multiple recessed with annular
The annular lug 21 that groove 11 is adapted.The quantity of annular groove 11 on the inwall of valve seat 1 is 2-4, it is ensured that the inwall of valve seat 1
On annular groove 11 allocation optimum.Butterfly valve apparatus for sealing also includes rotating handles 5, and rotating handles 5 passes through abnormal shape
Hole is connected with the Special-Shaped Column of the upper end of valve shaft 3.Design personnel's screwing to valve shaft 3 easy to operation of rotating handles 5.Sealing ring 2 is pacified
Mounted in the inner side of valve seat 1, the annular lug 21 of sealing ring 2 is set to be embedded in the annular groove 11 of valve seat 1；Butterfly plate 4 is arranged on close
The inner side of seal 2.Valve shaft 3 sequentially passes through the bottom that the top of valve seat 1, sealing ring 2 and butterfly plate 4 are rotatably arranged on valve seat 1,
Valve shaft 3 is adapted to and is rotatablely connected with the top of valve seat 1 and sealing ring 2 respectively, and valve shaft 3 passes through Special-Shaped Column and the profiled holes of butterfly plate 4
Connection.
The top of valve seat 1 is with being provided with two in the O-ring seal 16 arranged up and down at the assembling of valve shaft 3.O-ring seal 16
Design, on the one hand play a part of sealing at the assembling of valve seat 1 and valve shaft 3, the work of centering on the other hand played to valve shaft 3
With.Valve seat 1 is provided with the mounting groove 12 for being used for installing sealing ring 2, and sealing ring 2 is provided with the ring being adapted to the mounting groove 12 of valve seat 1
Shape installs projection 22, and the annular installation projection 22 of sealing ring 2 is entrenched in the mounting groove 12 of valve seat 1.The He of mounting groove 12 of valve seat 1
The design of the annular installation projection 22 of sealing ring 2, can be such that sealing ring 2 is more firmly assemblied on valve seat 1, improve steadiness
And sealing.Valve seat 1 is provided with annular material reducing groove 13, saves seat material, reduces the manufacturing cost of valve seat 1.Annular
Multiple stiffener plates 14 are equipped with material reducing groove 13, ensure that the intensity of valve seat 1.Valve seat 1, which is provided with, to be used to limit valve shaft about 3
The limiting plate 15 of play, the phenomenon that valve shaft 3 disengages with butterfly plate 4 is avoided, ensure that the normal work of valve shaft 3 and butterfly plate 4.
For the utility model by applying a twisting resistance to the upper end of valve shaft 3, valve shaft 3 and butterfly plate 4 pass through Special-Shaped Column and different
The cooperation of type hole, butterfly plate 4 is driven to follow rotation, so as to realize the opening and closing of butterfly valve apparatus；The inwall of valve seat 1 and sealing ring 2 it is outer
Side can be effectively prevented from band dynamic sealing when butterfly plate 4 rotates by the corresponding chimeric cooperation of multiple annular grooves 11 and annular lug 21
Circle 2 is poorly sealed caused by reversing, and so as to avoid the leakage of Bottomhole pressure medium, eliminates potential potential safety hazard, improves
Practicality.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in previous embodiment, either to which part or all technical characteristic
Carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment
The scope of technical scheme, it all should cover among claim of the present utility model and the scope of specification.
Claims (8)
- A kind of 1. butterfly valve apparatus for being used to seal, it is characterised in that：Including valve seat, sealing ring, valve shaft and butterfly plate；The inwall of the valve seat is provided with multiple annular grooves, and the outside of the sealing ring is adapted provided with multiple with annular groove Annular lug；Sealing ring is arranged on the inner side of valve seat, the annular lug of sealing ring is embedded in the annular groove of valve seat；Institute State the inner side that butterfly plate is arranged on sealing ring；The valve shaft sequentially passes through top, sealing ring and the butterfly plate of valve seat rotatably installed in the bottom of valve seat, valve shaft difference It is adapted to and is rotatablely connected with the top of valve seat and sealing ring, valve shaft is connected by Special-Shaped Column and the profiled holes of butterfly plate.
- 2. the butterfly valve apparatus according to claim 1 for being used to seal, it is characterised in that：The valve seat, which is provided with, to be used to install The mounting groove of sealing ring, sealing ring are provided with the annular installation projection being adapted to the mounting groove of valve seat, and the annular installation of sealing ring is convex Block is entrenched in the mounting groove of valve seat.
- 3. the butterfly valve apparatus according to claim 1 for being used to seal, it is characterised in that：The valve seat is provided with annular material reducing Groove.
- 4. the butterfly valve apparatus according to claim 3 for being used to seal, it is characterised in that：The annular material reducing groove inner ring is set There are multiple stiffener plates.
- 5. the butterfly valve apparatus according to claim 1 for being used to seal, it is characterised in that：The valve seat, which is provided with, to be used to limit valve The limiting plate of play above and below axle.
- 6. the butterfly valve apparatus according to claim 1 for being used to seal, it is characterised in that：It is annular recessed on the valve base inner wall The quantity of groove is 2-4.
- 7. the butterfly valve apparatus according to claim 1 for being used to seal, it is characterised in that：The top of the valve seat and valve shaft Two are provided with assembling in the O-ring seal arranged up and down.
- 8. the butterfly valve apparatus for being used to seal according to any one of claim 1 to 7, it is characterised in that：Also include rotation handle Hand, rotating handles are connected by profiled holes with the Special-Shaped Column of valve shaft upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720767834.4U CN206889699U (en) | 2017-06-28 | 2017-06-28 | A kind of butterfly valve apparatus for being used to seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720767834.4U CN206889699U (en) | 2017-06-28 | 2017-06-28 | A kind of butterfly valve apparatus for being used to seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889699U true CN206889699U (en) | 2018-01-16 |
Family
ID=61298756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720767834.4U Expired - Fee Related CN206889699U (en) | 2017-06-28 | 2017-06-28 | A kind of butterfly valve apparatus for being used to seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889699U (en) |
-
2017
- 2017-06-28 CN CN201720767834.4U patent/CN206889699U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20210628 |