CN206246720U - Sticky and granule medium ball valve - Google Patents
Sticky and granule medium ball valve Download PDFInfo
- Publication number
- CN206246720U CN206246720U CN201621262369.0U CN201621262369U CN206246720U CN 206246720 U CN206246720 U CN 206246720U CN 201621262369 U CN201621262369 U CN 201621262369U CN 206246720 U CN206246720 U CN 206246720U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- convex tendon
- face
- spring base
- 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 a kind of sticky and granule medium ball valve, it includes valve body, fluid passage is provided with valve body, spheroid is installed in fluid passage, spheroid is installed in valve body by upper valve rod and lower valve rod, it is additionally provided with fluid passage and forms the valve seat that sealing coordinates with spheroid, valve seat and valve ball are respectively equipped with the sealing surface being mutually adapted, 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 towards valve ball and 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 from valve seat body direction to convex tendon outside circumference.The utility model has the advantages that good seal performance, can reduce valve seat body 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
Sticky and granule medium 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;Separately, deformation is susceptible in hot environment due to sealing ring, when valve seat is under the promotion of spring force
When occurring to move axially displacement along valve seat, sealing surface is susceptible to deformation and because sealing surface of the prior art is in inclined-plane knot
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.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of sticky and granule medium ball valve, and this glues
Thick and granule medium ball valve has good seal performance, can reduce valve seat body and the moment of torsion of valve body junction avoids valve card
Advantage firmly.
To achieve these goals, the technical solution adopted in the utility model is:A kind of sticky and granule medium ball valve,
Including valve body, fluid passage is provided with valve body, spheroid is installed in fluid passage, spheroid is installed on by upper valve rod and lower valve rod
It is additionally provided with valve body, in fluid passage and forms the valve seat that sealing coordinates with spheroid, valve seat and valve ball is respectively equipped with what is be mutually adapted
Sealing surface, is also equipped with spring base and spring between valve body and valve seat, sealed by seal assembly between spring base and valve seat, its
It is characterised by:The 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 outer body 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 downward
And it is outward-dipping, two avris walls of convex tendon are inclined from valve seat body direction to convex tendon outside circumference.
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 seal assembly includes sealing ring and guide collar, and the spring base is provided with towards the end face of valve seat
Ledge structure, the valve seat is provided with the projection being held on ledge structure, nub side wall and valve seat end towards the end face of spring base
The installation cavity accommodated for seal assembly is formed between face, sealing ring and guide collar are located in installation cavity, sealing ring and valve seat end face
Abut, guide collar abuts with spring base end face, sealing ring is provided with V-groove towards the end face of guide collar, spring base is towards guide collar
End face be provided with groove, guide collar two ends are provided with cone respectively with the groove fit of the V-groove and spring base end face of sealing ring
Shape block.
Using such scheme, the utility model by set on the outside of valve seat body convex tendon and interval trough make itself and valve body it
Between pressure release carried out by interval trough when connecting reduce moment of torsion at this, it is to avoid valve is blocked, the guiding that sealing ring passes through guide collar
Effect makes it only be moved axially along valve seat, and the close contact with sealing surface of seat is maintained in the presence of spring force.
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, spring base 5, ledge structure 51, groove 52, spring 6, sealing ring 7, V-groove 71,
Guide collar 8, circular cone 81.
Specific embodiment
Specific embodiment of the utility model is as Figure 1-3 sticky and granule medium ball valve, including valve body 1, valve
Fluid passage 11 is provided with body 1, spheroid 2 is installed in fluid passage 11, spheroid 2 is installed on by upper valve rod 31 and lower valve rod 32
In valve body 1, it is additionally provided with fluid passage 11 and forms the valve seat 4 that sealing coordinates with spheroid 2, valve seat 4 and valve ball is respectively equipped with mutually
The sealing surface of adaptation, is also equipped with spring base 5 and spring 6 between valve body 1 and valve seat 4, by close between spring base 5 and valve seat 4
Sealing assembly is sealed, and 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, the lateral surface of valve seat body 41 is provided with the convex tendon 412 being spaced apart, spaced groove 413 between convex tendon 412 and convex tendon 412,
The radial direction upper surface of convex tendon 412 is downwardly and outwardly inclined, and two avris walls of convex tendon 412 are from the direction of valve seat body 41 to convex tendon 412
Outside circumference is inclined.
Corner 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 face is provided with along the axially arranged slot structure long of valve seat 4.
Seal assembly includes sealing ring 7 and guide collar 8, and spring base 5 is provided with ledge structure 51, valve towards the end face of valve seat 4
Seat 4 is provided with the projection 42 being held on ledge structure 51 towards the end face of spring base 5, between the side wall of projection 42 and the end face of valve seat 4
The installation cavity accommodated for seal assembly is formed, sealing ring 7 and guide collar 8 are located in installation cavity, and sealing ring 7 is supported with the end face of valve seat 4
Connect, guide collar 8 is abutted with the end face of spring base 5, sealing ring 7 is provided with V-groove 71 towards the end face of guide collar 8, spring base 5 is towards leading
Be provided with groove 52 to the end face of circle 8, the two ends of guide collar 8 be provided with respectively with the V-groove 71 of sealing ring 7 and the end face of spring base 5
The circular cone 81 that groove 52 coordinates.
The utility model makes it connect between valve body 1 by setting convex tendon 412 and interval trough 413 in the outside of valve seat body 41
Pressure release is carried out by interval trough 413 when connecing and reduces moment of torsion at this, it is to avoid valve is blocked, the guiding that sealing ring 7 passes through guide collar 8
Effect makes it only be moved axially along valve seat 4, and the close contact with the sealing surface of valve seat 4 is maintained in the presence of the power of spring 6.
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 sticky and granule medium ball valve, including valve body, is provided with fluid passage in valve body, ball is provided with fluid passage
Body, spheroid is installed in valve body by upper valve rod and lower valve rod, is additionally provided with fluid passage and is formed the valve that sealing coordinates with spheroid
Seat, valve seat and valve ball are respectively equipped with the sealing surface being mutually adapted, spring base and spring, spring are also equipped between valve body and valve seat
Sealed by seal assembly between seat and valve seat, it is characterised in that:The valve seat includes valve seat body, valve seat body medial surface court
Hard sealant is provided with to valve ball and medial surface, valve seat body lateral surface is provided with the convex tendon being spaced apart, between convex tendon and convex tendon
Spaced groove, the radial direction upper surface of convex tendon is downwardly and outwardly inclined, and two avris walls of convex tendon are from valve seat body direction to convex tendon
Outside circumference is inclined.
2. according to claim 1 sticky and granule medium ball valve, it is characterised in that:The convex tendon two side and periphery
Corner between face has the resected rear rounded corner structure for being formed.
3. according to claim 1 and 2 sticky and granule medium ball valve, it is characterised in that:The convex tendon outer peripheral face sets
Have along the axially arranged slot structure long of valve seat.
4. according to claim 3 sticky and granule medium ball valve, it is characterised in that:The seal assembly includes sealing
Circle and guide collar, the spring base are provided with ledge structure towards the end face of valve seat, and the valve seat is provided with towards the end face of spring base
The projection on ledge structure is held on, the installation cavity accommodated for seal assembly, sealing are formed between nub side wall and valve seat end face
Circle 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, sealing ring direction
The end face of guide collar is provided with V-groove, and spring base is provided with groove towards the end face of guide collar, guide collar two ends be provided with respectively with sealing
The circular cone of the V-groove of circle and the groove fit of spring base end face.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621262369.0U CN206246720U (en) | 2016-11-23 | 2016-11-23 | Sticky and granule medium ball valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621262369.0U CN206246720U (en) | 2016-11-23 | 2016-11-23 | Sticky and granule medium ball valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206246720U true CN206246720U (en) | 2017-06-13 |
Family
ID=59001623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621262369.0U Expired - Fee Related CN206246720U (en) | 2016-11-23 | 2016-11-23 | Sticky and granule medium ball valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206246720U (en) |
-
2016
- 2016-11-23 CN CN201621262369.0U patent/CN206246720U/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 |