CN208605644U - Floating type high-performance butterfly valve - Google Patents
Floating type high-performance butterfly valve Download PDFInfo
- Publication number
- CN208605644U CN208605644U CN201821119960.XU CN201821119960U CN208605644U CN 208605644 U CN208605644 U CN 208605644U CN 201821119960 U CN201821119960 U CN 201821119960U CN 208605644 U CN208605644 U CN 208605644U
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- Prior art keywords
- valve
- valve seat
- groove
- plate
- liquid
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of floating type high-performance butterfly valves, including valve body, valve rod and valve plate, a valve chamber is provided in valve body, valve body upper end is provided with the first liquid in-out mouth, valve body lower end is provided with the second liquid in-out mouth, and valve plate is arranged in the first liquid in-out mouth, and the lower end surface integral middle of valve plate is provided with one piece of connection protrusive board, it is provided with a valve rod mounting hole in the middle part of connection protrusive board, valve rod one end is connect with valve rod mounting hole；A circular orientation groove is provided on the inner wall of first liquid in-out mouth, floating valve seat device is provided in circular orientation groove, an annular stop groove is provided on the bottom surface of circular orientation groove, floating valve seat device includes valve seat, O-ring seal, limit pressing plate and stop screw, and limit pressing plate is connected and fixed by the bottom surface of stop screw and annular stop groove.Above-mentioned technical proposal, reasonable in design, structure is simple, elasticity is good for high production efficiency, valve seat, good seal performance, long service life and easy to use.
Description
Technical field
The utility model relates to valve technology fields, and in particular to a kind of floating type high-performance butterfly valve.
Background technique
Butterfly valve is a kind of simple regulating valve of structure, and the butterfly valve that can be used for the switch control of low pressure pipeline medium refers to closing
Part (flap or butterfly plate) is disk, reaches a kind of valve of open and close around valve shaft rotation, valve can be used for controlling air,
The flowing of the various types fluids such as water, steam, various corrosive medias, mud, oil product, liquid metal and radiating medium.?
Cutting and throttling action are mainly played on pipeline.Butterfly valve opening and closing element is a discoidal butterfly plate, around the axis of its own in valve body
Line rotation, to achieve the purpose that opening and closing or adjusting.
Butterfly valve in the prior art includes dish plate, valve body, locating ring and valve seat, and valve seat is common sealing ring, and valve seat is set
It sets between dish plate and valve body, and be fixed by locating ring, the unreasonable structure of valve seat in the prior art, structure is multiple
It is miscellaneous, production efficiency is low, its is elastic poor, butterfly valve work when, valve seat is easily-deformable, influence its sealing performance, be easy leakage, using the longevity
Order that short, the practicability is poor.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of reasonable in design, structures
Simply, elasticity is good, good seal performance, long service life and floating type high-performance butterfly valve easy to use for high production efficiency, valve seat.
To achieve the above object, the utility model provides following technical solution: a kind of floating type high-performance butterfly valve, including
Valve body, valve rod and valve plate are provided with a valve chamber in the valve body, and the valve body upper end is provided with the first liquid in-out mouth, valve body
Lower end is provided with the second liquid in-out mouth, and the first liquid in-out mouth and the second liquid in-out mouth are communicated with valve chamber, and the valve plate is set
It sets in the first liquid in-out mouth, the lower end surface integral middle of the valve plate is provided with one piece of connection protrusive board, the connection protrusive board
Middle part is provided with a valve rod mounting hole, and described valve rod one end is connect with valve rod mounting hole；The inner wall of the first liquid in-out mouth
It is provided with a circular orientation groove on face, floating valve seat device, the circular orientation are provided in the circular orientation groove
An annular stop groove is provided on the bottom surface of groove, the floating valve seat device includes valve seat, O-ring seal, limit pressure
Plate and stop screw are provided with a valve seat installation gap, and the upper end of valve seat installation gap on the limit pressing plate inner face
It is provided with a valve seat limiting groove, the inner face of the valve seat and the appearance face contact of valve plate and constitutes sealing, the valve seat
Outer end be wholely set upper limit projection and lower limit projection, the upper limit projection is located in valve seat limiting groove, lower limit
Position convex block is located in annular stop groove, and the outer end face medium position annular of the valve seat is provided with an arc groove, the O
Type sealing ring is set in the arc groove, and the outer surface of O-ring seal is pressed on the inner wall of valve seat installation gap,
The limit pressing plate is connected and fixed by the bottom surface of stop screw and annular stop groove.
By using above-mentioned technical proposal, valve seat carries out radial adjustment using floating type, by O-ring seal, reduce by
The poor sealing performance that mismachining tolerance is formed and the problem of need to doing over again, greatly improve the production efficiency of product；Valve seat and limit pressing plate
Between there are gap, valve plate can push valve seat to valve when closed, can make valve open when reduce open torque, make to select
Select model smaller when existing actuator, to reduce manufacturing cost；Reasonable in design, structure is simple, production effect
Rate is high, elasticity is good for valve seat, and good seal performance, long service life and easy to use, practicability is good.
The utility model is further arranged to: several screw holes, the limit pressing plate are provided on the limit pressing plate
Lower end surface be located at screw hole inner end positions and be provided with the first sealing ring mounting groove, the first sealing ring mounting groove built-in type
It is provided with the first sealing ring；The lower end surface of the limit pressing plate is located at screw hole outer end position and is provided with the installation of the second sealing ring
Slot, the second sealing ring mounting groove built-in type are provided with the second sealing ring.By this setting, structure setting is more reasonable,
Pressing plate junction good airproof performance is limited, is not easy to leak.
The utility model is further arranged to: several threaded holes are provided on the bottom surface of the annular stop groove,
Each stop screw is threadedly coupled with the threaded hole of alignment.
The utility model is further arranged to: the stop screw is hexagon socket head cap screw, and the stop screw is equal
It is made of stainless steel material.
The utility model is further arranged to: the appearance face seal portion of the valve plate is inclined-plane, plane or arcwall face.
The utility model is further arranged to: the sealing of the inner face of the valve seat is the sealing with the valve plate
Matched sealing inclined-plane, sealing plane or arc sealed groove.
The utility model is further arranged to: being connected through a screw thread fixed between the valve rod and connection protrusive board or is passed through
Key connection, which is fixed or is connected by screw to, fixes or by being welded and fixed.
The utility model is further arranged to: first sealing ring and the second sealing ring are O-ring seal.
The utility model has the advantages that: compared with prior art, the utility model structure setting is more reasonable, and valve seat uses
It is floating type, radial adjustment is carried out by O-ring seal, the poor sealing performance formed by mismachining tolerance is reduced and is asked with what need to be done over again
Topic, greatly improves the production efficiency of product；There are gap between valve seat and limit pressing plate, valve plate can push valve when closed
Valve seat can be such that valve reduces when opening and open torque, make to select to select model smaller when existing actuator, to drop
Low manufacturing cost；Reasonable in design, structure is simply, elasticity is good for high production efficiency, valve seat, good seal performance, long service life
And it is easy to use, practicability is good.
The utility model is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the enlarged diagram in the portion I in Fig. 1.
Specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of floating type high-performance butterfly valve disclosed by the utility model, including valve body 1, valve rod 2 and valve
Plate 3 is provided with a valve chamber 11 in the valve body 1, and 1 upper end of valve body is provided with the first liquid in-out mouth 12, and 1 lower end of valve body is set
It is equipped with the second liquid in-out mouth 13, the first liquid in-out mouth 12 and the second liquid in-out mouth 13 are communicated with valve chamber 11, the valve plate 3
It is arranged in the first liquid in-out mouth 12, the lower end surface integral middle of the valve plate 3 is provided with one piece of connection protrusive board 31, the connection
The middle part of protrusive board 31 is provided with a valve rod mounting hole 311, and described 2 one end of valve rod is connect with valve rod mounting hole 311；Described first
It is provided with a circular orientation groove 14 on the inner wall of liquid in-out mouth 12, is provided with float trap in the circular orientation groove 14
Base device is provided with an annular stop groove 15, the floating valve seat device packet on the bottom surface of the circular orientation groove 14
Valve seat 4, O-ring seal 5, limit pressing plate 6 and stop screw 7 are included, a valve seat peace is provided on 6 inner face of limit pressing plate
Notch 61 is filled, and the upper end of valve seat installation gap 61 is provided with a valve seat limiting groove 62, the inner face and valve of the valve seat 4
The appearance face contact of plate 3 simultaneously constitutes sealing, and the outer end of the valve seat 4 has been wholely set upper limit projection 41 and lower limit projection
42, the upper limit projection 41 is located in valve seat limiting groove 62, and lower limit projection 42 is located in annular stop groove 15, described
The outer end face medium position annular of valve seat 4 is provided with an arc groove 43, and it is recessed that the O-ring seal 5 is set in the arc
In slot 43, and the outer surface of O-ring seal 5 is pressed on the inner wall of valve seat installation gap 61, and the limit pressing plate 6 passes through limit
Position screw 7 and the bottom surface of annular stop groove 15 are connected and fixed.
Preferably, several screw holes 63 are provided on the limit pressing plate 6, the lower end surface of the limit pressing plate 6
63 inner end positions of screw hole are provided with the first sealing ring mounting groove 64,64 built-in type of the first sealing ring mounting groove is set
It is equipped with the first sealing ring 8；The lower end surface of the limit pressing plate 6 is located at 63 outer end position of screw hole and is provided with the installation of the second sealing ring
Slot 65,65 built-in type of the second sealing ring mounting groove are provided with the second sealing ring 9.
It is provided with several threaded holes on the bottom surface of the annular stop groove 15, each stop screw 7 and the spiral shell being aligned
Pit is threadedly coupled.Preferably, the quantity of the screw hole 63, stop screw 7 and threaded hole is respectively provided with two or more.
To keep the utility model structure setting more reasonable, preferably, stop screw 7 described in the present embodiment is interior
Hex(agonal)screw, and the stop screw 7 is made of stainless steel material.
The appearance face seal portion of the valve plate 3 is inclined-plane, plane or arcwall face.
The sealing of the inner face of the valve seat 4 be and the matched sealing inclined-plane of sealing of the valve plate 3, sealing plane
Or arc sealed groove.
It is connected through a screw thread fixed between the valve rod 2 and connection protrusive board 31 or is connected by key fixed or is connected by screw
It connects and fixes or by being welded and fixed.
First sealing ring 8 and the second sealing ring 9 are O-ring seal.
In addition, there are gaps between valve seat 4 and valve body 1, medium is allowed to enter to form self sealing structure, valve can be made to be equipped with
It is more easier to adjust, to greatly promote the production efficiency of product.
When practical application, valve seat carries out radial adjustment using floating type, by O-ring seal, reduces by mismachining tolerance shape
At poor sealing performance and the problem of need to do over again, greatly improve the production efficiency of product；Valve seat and limit pressing plate between there are
Gap, valve plate can push valve seat to valve when closed, and valve can be made to reduce when opening and open torque, make to select existing execution
Select model smaller when device, to reduce manufacturing cost；Reasonable in design, structure is simple, high production efficiency, valve seat bullet
Property is good, and good seal performance, long service life and easy to use, practicability is good.
Above-described embodiment is served only for that the utility model is further described, no to the specific descriptions of the utility model
It can be interpreted as the restriction to scope of protection of the utility model, the technician of this field is according to the content pair of above-mentioned utility model
The utility model is made some nonessential modifications and adaptations and is each fallen within the protection scope of the utility model.
Claims (8)
1. a kind of floating type high-performance butterfly valve, including valve body (1), valve rod (2) and valve plate (3), the valve body (1) is interior to be provided with one
A valve chamber (11), valve body (1) upper end are provided with the first liquid in-out mouth (12), and valve body (1) lower end is provided with the second liquid in-out
Mouth (13), the first liquid in-out mouth (12) and the second liquid in-out mouth (13) are communicated with valve chamber (11), it is characterised in that: described
In the first liquid in-out mouth (12), the lower end surface integral middle of the valve plate (3) is provided with one piece of connection protrusive board for valve plate (3) setting
(31), a valve rod mounting hole (311) is provided in the middle part of the connection protrusive board (31), described valve rod (2) one end and valve rod are pacified
Fill hole (311) connection；A circular orientation groove (14), the ring are provided on the inner wall of the first liquid in-out mouth (12)
It is provided with floating valve seat device in shape positioning groove (14), is provided with an annular on the bottom surface of the circular orientation groove (14)
Limiting groove (15), the floating valve seat device include valve seat (4), O-ring seal (5), limit pressing plate (6) and stop screw
(7), it is provided with a valve seat installation gap (61) on limit pressing plate (6) inner face, and valve seat installation gap (61) is upper
End is provided with a valve seat limiting groove (62), and the inner face of the valve seat (4) and the appearance face contact of valve plate (3) are simultaneously constituted close
Envelope, the outer end of the valve seat (4) has been wholely set upper limit projection (41) and lower limit projection (42), the upper limit projection
(41) it is located in valve seat limiting groove (62), lower limit projection (42) is located in annular stop groove (15), the valve seat (4)
Outer end face medium position annular is provided with an arc groove (43), and the O-ring seal (5) is set in the arc groove
(43) in, and the outer surface of O-ring seal (5) is pressed on the inner wall of valve seat installation gap (61), the limit pressing plate (6)
It is connected and fixed by stop screw (7) and the bottom surface of annular stop groove (15).
2. a kind of floating type high-performance butterfly valve according to claim 1, it is characterised in that: set on the limit pressing plate (6)
Several screw holes (63) are equipped with, the lower end surface of limit pressing plate (6) is located at screw hole (63) inner end positions and is provided with first
Sealing ring mounting groove (64), the first sealing ring mounting groove (64) built-in type are provided with the first sealing ring (8)；The limit
The lower end surface of pressing plate (6) is located at screw hole (63) outer end position and is provided with the second sealing ring mounting groove (65), second sealing
Circle mounting groove (65) built-in type is provided with the second sealing ring (9).
3. a kind of floating type high-performance butterfly valve according to claim 2, it is characterised in that: the annular stop groove (15)
Bottom surface on be provided with several threaded holes, each stop screw (7) is threadedly coupled with the threaded hole being aligned.
4. a kind of floating type high-performance butterfly valve according to claim 3, it is characterised in that: the stop screw (7) is
Hexagon socket head cap screw, and the stop screw (7) is made of stainless steel material.
5. a kind of floating type high-performance butterfly valve according to claim 4, it is characterised in that: the outer surface of the valve plate (3)
Sealing is inclined-plane, plane or arcwall face.
6. a kind of floating type high-performance butterfly valve according to claim 5, it is characterised in that: the inner face of the valve seat (4)
Sealing be the matched sealing inclined-plane of sealing, sealing plane or arc sealed groove with the valve plate (3).
7. a kind of floating type high-performance butterfly valve according to claim 1, it is characterised in that: the valve rod (2) with connect it is convex
It is connected through a screw thread to fix or be connected by key to fix or be connected by screw between plate (31) and fix or by being welded and fixed.
8. a kind of floating type high-performance butterfly valve according to claim 2, it is characterised in that: first sealing ring (8) and
Second sealing ring (9) is O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119960.XU CN208605644U (en) | 2018-07-16 | 2018-07-16 | Floating type high-performance butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119960.XU CN208605644U (en) | 2018-07-16 | 2018-07-16 | Floating type high-performance butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605644U true CN208605644U (en) | 2019-03-15 |
Family
ID=65668672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821119960.XU Expired - Fee Related CN208605644U (en) | 2018-07-16 | 2018-07-16 | Floating type high-performance butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612853A (en) * | 2018-07-16 | 2018-10-02 | 浙江贝尔控制阀门有限公司 | Floating type high-performance butterfly valve |
-
2018
- 2018-07-16 CN CN201821119960.XU patent/CN208605644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612853A (en) * | 2018-07-16 | 2018-10-02 | 浙江贝尔控制阀门有限公司 | Floating type high-performance 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: 20190315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |