CN206246728U - A kind of wear resistance ball valve - Google Patents
A kind of wear resistance ball valve Download PDFInfo
- Publication number
- CN206246728U CN206246728U CN201621257971.5U CN201621257971U CN206246728U CN 206246728 U CN206246728 U CN 206246728U CN 201621257971 U CN201621257971 U CN 201621257971U CN 206246728 U CN206246728 U CN 206246728U
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- CN
- China
- Prior art keywords
- valve seat
- valve
- convex tendon
- guide collar
- face
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Abstract
The utility model discloses a kind of wear resistance ball valve,Including valve body,Fluid passage is provided with valve body,Spheroid,It is additionally provided with fluid passage and forms the valve seat that sealing coordinates with spheroid,Spring base and spring are also equipped between valve body and valve seat,Sealed by seal assembly between spring base and valve seat,Valve seat includes valve seat body,Valve seat body medial surface is provided with hard sealant,Valve seat body lateral surface is provided with the convex tendon being spaced apart,Spaced groove between convex tendon and convex tendon,The radial direction upper surface of convex tendon is downwardly and outwardly inclined,Two avris walls of convex tendon are inclined by valve seat body side towards convex tendon outside circumference,Seal assembly includes sealing ring and guide collar,Sealing ring is provided with L-type groove towards the madial wall of the end face of valve seat,Valve seat is provided with the chimb with the L-type groove fit,Guide collar one end and sealing ring location fit,The guide collar other end is contradicted with seat surface.The utility model good seal performance, valve seat can be reduced and the moment of torsion of valve body junction avoids valve from blocking.
Description
Technical field
The utility model belongs to valve technology field, especially it is a kind of for high temperature resistant in the fields such as Coal Chemical Industry, it is corrosion-resistant
Wear resistance ball valve.
Background technology
Condition in coal chemical technology due to use environment is more harsh, and the requirement to valve is corresponding higher, and it requires valve
Door wants HTHP, wear-resisting, resistance to erosion, opens and closes big, keying fast, good seal performance of speed of frequent, bore etc..As Chinese patent is awarded
Weighing notification number is：CN205534341U's《Wear resistance ball valve》Disclosed, it includes that valve body is combined, and valve body combination includes middle valve
Body, middle valve body both sides are fixed with side valve body, and valve rod one end is stretched into valve body combination and connects valve ball, and the valve rod other end is driving
End, floats on side valve body and is provided with valve seat, and valve seat and valve ball are respectively equipped with the sealing surface being mutually adapted.In said structure, valve seat
Be floating structure, its it is adjustable and but due in hot environment, being completely embedded between valve seat body and valve body, moment of torsion herein
Also can increase, although floating valve seat can axially be adjusted it and valve ball is supplemented with the matching relationship of valve ball because high temperature is sent out in valve seat
Raw thermal expansion, but because high-temperature heat expansion causes the moment of torsion of junction between valve seat body and valve body to increase, band is operated to driving
Come difficult, and easily occur being difficult to open or cause installation site between valve rod and spheroid to move and shift, and then lead
The problem for causing valve to block.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of wear resistance ball valve, and the wear resistance ball valve has close
Sealing property is good, can reduce valve seat body and advantage that the moment of torsion of valve body junction avoids valve from blocking.
To achieve these goals, the technical solution adopted in the utility model is：A kind of wear resistance ball valve, including valve body, valve
Fluid passage is provided with body, spheroid is installed in fluid passage, spheroid is installed in valve body by upper valve rod and lower valve rod, fluid
It is additionally provided with passage and forms the valve seat that sealing coordinates with spheroid, valve seat and valve ball is respectively equipped with the sealing surface being mutually adapted, valve body
Spring base and spring are also equipped between valve seat, are sealed by seal assembly between spring base and valve seat, it is characterised in that：Institute
Stating valve seat includes valve seat body, and valve seat body medial surface is towards valve ball and medial surface is provided with hard sealant, valve seat body outside
Face is provided with the convex tendon being spaced apart, and spaced groove between convex tendon and convex tendon, the radial direction upper surface of convex tendon is downwardly and outwardly inclined,
Two avris walls of convex tendon are inclined by valve seat body side towards convex tendon outside circumference, and the seal assembly includes sealing ring and guiding
Circle, the sealing ring is provided with L-type groove towards the madial wall of the end face of valve seat, and valve seat is provided with convex with the L-type groove fit
Side, guide collar one end and sealing ring location fit, the guide collar other end are contradicted with seat surface.
Further, the corner between the convex tendon two side and outer peripheral face has the resected rear rounded corner knot for being formed
Structure.
Further, the convex tendon outer peripheral face is provided with along the axially arranged slot structure long of valve seat.
Further, the spring base is provided with ledge structure towards the end face of valve seat, and the valve seat is towards the end of spring base
Face is provided with the projection being held on ledge structure, and the installation accommodated for seal assembly is formed between nub side wall and valve seat end face
Chamber, sealing ring and guide collar are located in installation cavity, and sealing ring is abutted with valve seat end face, and guide collar is abutted with spring base end face, close
Seal is provided with V-groove towards the end face of guide collar, and guide collar one end is provided with the circular cone coordinated with V-groove, the guide collar other end
Contradicted by lozenges between spring base end face.
Using such scheme, the tapered structure setting of convex tendon in the utility model on the outside of valve seat body reduces itself and valve
Contact area between body, and pressure release is carried out by interval trough, reduce moment of torsion, it is easy to valve operation, it is to avoid valve rod is sent out with valve ball
Raw displacement, it is to avoid valve is blocked, separately, deformation is susceptible to due to sealing ring, when valve seat pushing away in spring force in hot environment
When dynamic lower generation moves axially displacement along valve seat, sealing surface is susceptible to deformation and because sealing surface of the prior art is in inclined-plane
Structure, when it deforms, sealing surface can exist it is upper shifting or fall and cause it is corresponding with sealing surface do not go up, contact it is not tight
Problem that is close, leaking, said structure is limited in the radial direction thereof by L-type groove with the chimb cooperation of valve seat, makes it
Only moved axially along valve seat, the work for playing tensioner sealing ring is then coordinated by location structure between another guide collar and sealing ring
With, tensioner is played by the cooperation of V-groove and circular cone between guide collar and sealing ring and is acted on, and guide collar opposite side and spring
Then by lozenges respective outer side edges between seat, even if when sealing ring, guide collar deform, being moved in guide collar or falling can lead to
The effect of strutting axially is played to sealing ring make it keep with sealing surface of seat being in close contact in two inclined-planes for crossing V-groove.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Accompanying drawing 1 is the utility model specific embodiment structural representation；
Accompanying drawing 2 is the enlarged drawing of the utility model specific embodiment part A；
Accompanying drawing 3 is the side view of the utility model specific embodiment valve seat；
Valve body 1, fluid passage 11, spheroid 2, upper valve rod 31, lower valve rod 32, valve seat 4, valve seat body 41, hard sealant
411st, convex tendon 412, interval trough 413, projection 42, chimb 43, spring base 5, ledge structure 51, lozenges 52, spring 6, sealing ring
7th, L-type groove 72, V-groove 71, guide collar 8, circular cone 81.
Specific embodiment
Specific embodiment of the utility model is as Figure 1-3 wear resistance ball valve, including valve body 1, and fluid is provided with valve body 1
Passage 11, is provided with spheroid 2 in fluid passage 11, spheroid 2 is installed in valve body 1 by upper valve rod 31 and lower valve rod 32, fluid
It is additionally provided with passage 11 and forms the valve seat 4 that sealing coordinates with spheroid 2, valve seat 4 and valve ball is respectively equipped with the sealing surface being mutually adapted,
Spring base 5 and spring 6 are also equipped between valve body 1 and valve seat 4, are sealed by seal assembly between spring base 5 and valve seat 4, valve
Seat 4 includes valve seat body 41, and the medial surface of valve seat body 41 is towards valve ball and medial surface is provided with hard sealant 411, valve seat body
41 lateral surfaces are provided with the convex tendon 412 being spaced apart, spaced groove 413 between convex tendon 412 and convex tendon 412, the radial direction of convex tendon 412
Upper surface is downwardly and outwardly inclined, and two avris walls of convex tendon 412 are inclined by the side of valve seat body 41 towards the outside circumference of convex tendon 412,
Seal assembly includes sealing ring 7 and guide collar 8, and sealing ring 7 is provided with L-type groove 72, valve seat towards the madial wall of the end face of valve seat 4
4 are provided with the chimb 43 coordinated with the L-type groove 72, the one end of guide collar 8 and the location fit of sealing ring 7, the other end of guide collar 8 with
The face of spring base 5 contradicts.
The corner entered between the two side of convex tendon 412 and outer peripheral face has the resected rear rounded corner structure for being formed, convex tendon
412 outer peripheral faces are provided with along the axially arranged slot structure long of valve seat 4.
Spring base 5 is provided with ledge structure 51 towards the end face of valve seat 4, and valve seat 4 is provided with towards the end face of spring base 5 and is held on
Projection 42 on ledge structure 51, forms the installation cavity accommodated for seal assembly, sealing between the side wall of projection 42 and the end face of valve seat 4
Circle 7 and guide collar 8 are located in installation cavity, and sealing ring 7 is abutted with the end face of valve seat 4, and guide collar 8 is abutted with the end face of spring base 5, sealing
Circle 7 is provided with V-groove 71 towards the end face of guide collar 8, and the one end of guide collar 8 is provided with the circular cone 81 coordinated with V-groove 71, guide collar
Contradicted by lozenges 52 between 8 other ends and the end face of spring base 5.
The tapered structure setting of convex tendon 412 in the outside of valve seat body 41 in the utility model, reduces it between valve body 1
Contact area, and pressure release is carried out by interval trough 413, reduce moment of torsion, it is easy to valve operation, it is to avoid valve rod is moved with valve ball
Position, it is to avoid valve is blocked, separately, because sealing ring 7 is susceptible to deformation in hot environment, when valve seat 4 is in the promotion of the power of spring 6
Lower to occur during along the axial movement displacement of valve seat 4, sealing surface is susceptible to deformation and because sealing surface of the prior art is in inclined-plane
Structure, when it deforms, sealing surface can exist it is upper shifting or fall and cause it is corresponding with sealing surface do not go up, contact it is not tight
Problem that is close, leaking, said structure is coordinated with the chimb 43 of valve seat 4 by L-type groove 72 and is limited in the radial direction thereof,
It is only moved axially along valve seat 4, then coordinate by location structure that to play tensioner close between another guide collar 8 and sealing ring 7
The effect of seal 7, plays tensioner and acts on, and lead between guide collar 8 and sealing ring 7 by the cooperation of V-groove 71 and circular cone 81
To the respective outer side edges of lozenges 52 are then passed through between 8 opposite sides of circle and spring base 5, even if work as sealing ring 7, guide collar 8 deforming,
Moved in guide collar 8 or whereabouts can play the effect of strutting and make itself and valve seat by the two of V-groove 71 inclined-planes to the axial direction of sealing ring 7
4 sealing surfaces keep being in close contact.
The utility model is not limited to above-mentioned specific embodiment, and persons skilled in the art are public according to the utility model
The content opened, can implement of the present utility model using other various specific embodiments, or every use the utility model
Design structure and thinking, do simple change or change, both fall within protection domain of the present utility model.
Claims (4)
1. a kind of wear resistance ball valve, including valve body, is provided with fluid passage in valve body, spheroid is provided with fluid passage, and spheroid passes through
Upper valve rod and lower valve rod are installed in valve body, are additionally provided with fluid passage and are formed the valve seat that sealing coordinates, valve seat and valve with spheroid
Ball is respectively equipped with the sealing surface being mutually adapted, and is also equipped with spring base and spring between valve body and valve seat, spring base and valve seat it
Between by seal assembly seal, it is characterised in that：The valve seat includes valve seat body, and valve seat body medial surface is towards valve ball and interior
Side is provided with hard sealant, and valve seat body lateral surface is provided with the convex tendon being spaced apart, spaced groove between convex tendon and convex tendon,
The radial direction upper surface of convex tendon is downwardly and outwardly inclined, and two avris walls of convex tendon are inclined by valve seat body side towards convex tendon outside circumference
Tiltedly, the seal assembly includes sealing ring and guide collar, and it is recessed that the sealing ring is provided with L-type towards the madial wall of the end face of valve seat
Groove, valve seat is provided with the chimb with the L-type groove fit, guide collar one end and sealing ring location fit, the guide collar other end with
Seat surface is contradicted.
2. wear resistance ball valve according to claim 1, it is characterised in that：Turning between the convex tendon two side and outer peripheral face
Place is with the resected rear rounded corner structure for being formed.
3. wear resistance ball valve according to claim 1 and 2, it is characterised in that：The convex tendon outer peripheral face is provided with along valve seat axial direction
The slot structure long for setting.
4. wear resistance ball valve according to claim 3, it is characterised in that：The spring base is provided with step towards the end face of valve seat
Structure, the valve seat is provided with the projection being held on ledge structure towards the end face of spring base, nub side wall and valve seat end face it
Between form the installation cavity accommodated for seal assembly, sealing ring and guide collar are located in installation cavity, and sealing ring is abutted with valve seat end face,
Guide collar is abutted with spring base end face, and sealing ring is provided with V-groove towards the end face of guide collar, and guide collar one end is provided with and V-groove
The circular cone of cooperation, is contradicted between the guide collar other end and spring base end face by lozenges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257971.5U CN206246728U (en) | 2016-11-23 | 2016-11-23 | A kind of wear resistance ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257971.5U CN206246728U (en) | 2016-11-23 | 2016-11-23 | A kind of wear resistance ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246728U true CN206246728U (en) | 2017-06-13 |
Family
ID=59002219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621257971.5U Expired - Fee Related CN206246728U (en) | 2016-11-23 | 2016-11-23 | A kind of wear resistance ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246728U (en) |
-
2016
- 2016-11-23 CN CN201621257971.5U patent/CN206246728U/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: 20170613 Termination date: 20171123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |