CN2709726Y - Plate-type soft sealing valve - Google Patents
Plate-type soft sealing valve Download PDFInfo
- Publication number
- CN2709726Y CN2709726Y CN 200420002505 CN200420002505U CN2709726Y CN 2709726 Y CN2709726 Y CN 2709726Y CN 200420002505 CN200420002505 CN 200420002505 CN 200420002505 U CN200420002505 U CN 200420002505U CN 2709726 Y CN2709726 Y CN 2709726Y
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- China
- Prior art keywords
- valve
- groove
- plane
- flap
- rolling element
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- Expired - Lifetime
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Abstract
The utility model discloses a plate-type soft sealing valve which is a novelvalve used for transmitting liquid with pipes, and the plate-type soft sealing valve is applied to petroleum, chemical industry, water-supply, gas supply, and foodstuff, etc. The plate-type soft sealing valve comprises a positioning and holding-down mechanism comprising a valve body, a valve rod, a positioning frame, a rolling body, an intermediate body, a core board, and a valve flap. A main sealing ring made of soft material is arranged in the groove of the plate type valve flap. When the valve is closed, the valve flap and the main sealing ring of the valve flap are fastened on the sealing surface of the valve body by the positioning and holding-down mechanism through a valve rod swivel nut, the valve is sealed and closed, a zero leakage is achieved, and at the same time the shock effect to the pipeline and accessory devices for liquid can be decreased. When the valve is opened, the main sealing ring is driven to completely disengage from the sealing surface of the valve body by manipulating the valve rod swivel nut, which does not make the main sealing ring generate abrasion. The positioning frame, the core board, the valve flap and the valve rod are connected into integration and driven to move upward, and the completely caliber opening of the valve is achieved.
Description
Technical field
The utility model relates to a kind of board-like soft seal valve, it is to be applied to a kind of novel valve with line transportation liquid such as oil, chemical industry, water supply, air feed, food.
Technical background
The present known all kinds of valves that are used for line transportation liquid, ubiquity the shortcoming of poor sealing performance, and hard sealed valve (as gate valve) can not be accomplished " 0 " leakage; The sealing surface of soft seal valve (as ball valve) moves under preload pressure and easily produces wearing and tearing; Cock-type soft seal valve (as the TWIN SEAL valve of the production of U.S. GENERAL valve company) must be processed circular groove on cylinder, and the processing of this groove necessarily requires four-axle linked senior process equipment.
Summary of the invention
The purpose of this utility model is the above-mentioned shortcoming that overcomes known valve, provides a kind of in the groove of flat flap, and the primary seal circle that flexible material is made is installed, and realizes the novel valve that leak " 0 " under the few abrasive conditions of primary seal circle.
The purpose of this utility model is to implement like this: a kind of board-like soft seal valve comprises by valve body 1, valve rod 7, position shelf 4, rolling element 5, intermediate 6, central layer 3, flap 2 and forms the location hold-down mechanism.The top of position shelf 4 have with the matching hole of valve rod 7 and with valve body 1 on closed slide cooperate the plane, a matching hole and a side cooperate the plane that location flat hole connection is arranged.The width of locating flat hole is identical with rolling element 5 diameters, and length is slightly larger than the length of rolling element 5.Position shelf 4 middle parts are tubulose, and its diameter of bore is identical with flap 2 external diameters; Symmetric arrangement groove type straight guide cooperates with central layer 3 in the middle of in the pipe; The symmetric arrangement guide table cooperated with valve body 1 in the middle of pipe was outer.The through hole and the positioning boss that can supply central layer 3 to pass through arranged at position shelf 4 bottoms, and the locating face of boss is processed into the plane.
The semicircle groove is arranged at valve rod 7 bottoms, and the radius of groove is identical with rolling element 5 radiuses.The plane parallel of the "T"-shaped termination of the axis of groove and valve rod 7.
Rolling element 5, intermediate 6, rolling element 5 are arranged as one group, are installed in the flat hole, location on position shelf 4 tops, and the cross section of intermediate 6 is a rectangle.
Central layer 3 is the wedge shape of symmetry, and the angle of inclination of inclined-plane and center line is 2.5 °～11 °, has dovetail parallel with the inclined-plane and cooperate with dovetail groove on the flap 2 on it; Top is circular arc, and the radius of circular arc is identical with pore radius in the position shelf 4; There is the "T"-shaped groove of perforation the center, top.
Flap 2 is discoideus, and diameter is identical with the diameter of bore of position shelf 4; One side is a sealing plane, and the groove that encircles in greater than the valve inside nominal diameter is arranged on it, and bottom land has chamfering; There is the dovetail groove of inclination opposite side center, and it is 2.5 °～11 ° with the angle of inclination of sealing plane and cooperates with dovetail on the central layer 3.
It is the annular groove that rectangle and bottom have chamfering that one cross section is arranged on the sealing plane of flap 2, the primary seal circle 16 that interior dress flexible material such as rubber plastic etc. are made.
The parallel slideway that the two sealing surfaces top of valve body 1 runner has boss to constitute, spacing cooperates interplanar distance identical with position shelf 4 tops two; The semicircle groove is arranged at bottom, one sideslip road, and the radius of groove is identical with rolling element 5 radiuses.The axis of semicircle groove is parallel with the slideway working plane; The strip positioning boss is arranged at the bottom, and the locating face of boss is processed into the plane.
Compare with known valve, the utlity model has following advantage: 1, realize " 0 " leakage; Sealing surface disengages when 2, operating; 3, in the circular groove of on flat board, processing soft seal is installed, processes easy; 4, close branch and finish for two sections, reduce the influence of water attack pipeline and affiliated facility.
Description of drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
1. valve bodies wherein, 2. flap, 3. central layer, 4. position shelf, 5. rolling element, 6. intermediate, 7. valve rod, 8. loam cake, 9. on sealing, 10. gland, 11. supports, 12. handwheels, 13. keys, 14. valve rod swivel nuts, 15. rolling bearings, 16 primary seal circles.
Embodiment's explanation
Below in conjunction with accompanying drawing structure of the present utility model is further described:
A kind of board-like soft seal valve comprises by valve body 1, valve rod 7, position shelf 4, rolling element 5, intermediate 6, central layer 3, flap 2 and forms the location hold-down mechanism.The top of position shelf 4 have with the matching hole of valve rod 7 and with valve body 1 on closed slide cooperate the plane, a matching hole and a side cooperate the plane that location flat hole connection is arranged.The width of locating flat hole is identical with rolling element 5 diameters, and length is slightly larger than the length of rolling element 5.Position shelf 4 middle parts are tubulose, and its diameter of bore is identical with flap 2 external diameters; Symmetric arrangement groove type straight guide cooperates with central layer 3 in the middle of in the pipe; The symmetric arrangement guide table cooperated with valve body 1 in the middle of pipe was outer; The through hole and the positioning boss that can supply central layer 3 to pass through arranged at position shelf 4 bottoms, and the locating face of boss is processed into the plane.
The semicircle groove is arranged at valve rod 7 bottoms, and the radius of groove is identical with rolling element 5 radiuses.The axis of groove is parallel with the side plane of the "T"-shaped termination of valve rod 7.
Rolling element 5, intermediate 6, rolling element 5 are arranged as in one group of flat hole, location that is installed in position shelf 4 tops, and the cross section of intermediate 6 is a rectangle.
Central layer 3 is the wedge shape of symmetry, and the angle of inclination of inclined-plane and center line is 2.5 °～11 °, has dovetail parallel with the inclined-plane and cooperate with dovetail groove on the flap 2 on it; Top is circular arc, and the radius of circular arc is identical with pore radius in the position shelf 4; There is the "T"-shaped groove of perforation the center, top.
Flap 2 is discoideus, and diameter is identical with the diameter of bore of position shelf 4; The groove that encircles in one greater than the valve inside nominal diameter is arranged on the one side sealing plane, and bottom land has chamfering; There is the dovetail groove of inclination opposite side center, and it is 2.5 °～11 ° with the angle of inclination of sealing plane and cooperates with dovetail on the central layer 3.
It is the interior primary seal circle 16 of adorning making such as flexible material such as rubber plastic of annular groove that chamfering is arranged at rectangle and bottom that one cross section is arranged on the sealing plane of flap 2.
The parallel slideway that the two sealing surfaces top of valve body 1 runner has boss to constitute, spacing cooperates interplanar distance identical with position shelf 4 tops two; The semicircle groove is arranged at bottom, one sideslip road, and the radius of groove is identical with rolling element 5 radiuses.The axis of semicircle groove is parallel with the slideway working plane; The strip positioning boss is arranged at the bottom, and the locating face of boss is processed into the plane.
During operated valve, rotate handwheel 12 and by key 13 valve rod swivel nut 14 is rotated, valve rod swivel nut 14 is only rotated by the restriction of rolling bearing 15.Valve rod swivel nut 14 and valve rod 7 be for trapezoidal thread cooperates, and when valve rod swivel nut 14 rotated, valve rod 7 was subjected to the restriction of parallel slideway on the valve body 1 together with position shelf 4, rolling element 5 and the intermediate 6 of socket on it, only moves reciprocatingly.The interior realization of dovetail groove that central layer 3 tops are inserted in the lower end of valve rod 7 connects.Central layer 3 both sides dovetails and the angle of inclination of center line are 2.5 °～11 ° and cooperate with dovetail groove on the flap 2.After central layer 3 and two flaps 2 assembled, two sealing planes of flap 2 were parallel to each other.It is the annular groove that chamfering is arranged at rectangle and bottom that one cross section is arranged on the sealing plane of flap 2, the primary seal circle 16 that dress flexible material such as rubber plastic etc. are made in the groove.Flap 2 is installed in the endoporus of position shelf 4, can do the to-and-fro motion of piston sample.Valve rod 7 passes the matching hole of position shelf 4 upper ends, match with the parallel slideway on the valve body 1 in the cooperation plane in the outside, position shelf 4 upper ends, matching hole cooperates with a side simultaneously flat hole, location between the plane, locate rolling element 5, intermediate 6, rolling element 5 are installed in the flat hole successively.All there is the groove that cooperates with rolling element 5 lower end of parallel slideway on the bottom of valve rod 7 and the valve body 1.
During throttle down, clockwise rotate handwheel 12, valve rod 7 is moved downward by key 13, valve rod swivel nut 14.At this moment, because the effect of parallel slideway on the valve body 1, intermediate 6 and rolling element 5 are pressed in the groove of valve rod 7 bottoms, make position shelf 4, central layer 3 and flap 2 move downward together, until the positioning boss of position shelf 4 bottoms with stop to move downward after the positioning boss of valve body 1 bottom contacts, valve rod 7 then continues to move downward, and on the one hand intermediate 6 and rolling element 5 is pressed in the groove on the parallel slideway of valve body 1, and position shelf 4 is fastened on the valve body 1; Flap 2 is pressed on the sealing surface of valve body 1 by the inclined-plane on the central layer 3 on the other hand, sealing is finished in the primary seal distortion on the flap 2 at this moment.
When opening valve, rotate counterclockwise handwheel 12, valve rod 7 drives central layer 3 and moves upward, at this moment, position shelf 4 has been fastened on the valve body 1 during because of throttle down, can not make flap 2 under the effect of inclined-plane on the central layer 3 and dovetail, can not move upward along with moving upward, can only draw in to axis.Along with the rising of central layer 3, the sealing surface on the flap 2 on the primary seal of flexible material and the valve body 1 disengages fully.When central layer 3 is raised to when contacting with position shelf 4, the groove that forces rolling element 5 and intermediate 6 to leave parallel slideway on the valve body 1 by position shelf 4 enters the groove of valve rod 7 bottoms, position shelf 4, central layer 3 and flap 2 fuse with valve rod 7 and move upward subsequently, open fully until valve.
Behind the valve closing, the heated liquid of being deposited in the valve pocket or the influence of other factors may expand, and the liquid of expansion enters bleeder from the screw of valve upper cover 8, in the pipeline on released valve left side or right side, also can directly be discharged in the atmosphere.
Board-like soft seal valve of the present utility model, be in the groove on plate valve flap seal plane, the primary seal circle that flexible material is made is installed, make the location hold-down mechanism of forming by valve body 1, valve rod 7, position shelf 4, rolling element 5, intermediate 6, central layer 3, flap 2 by valve rod swivel nut 14, with flap 2 and on the primary seal circle be pressed on the sealing surface of valve body 1, valve seal cuts out, realize " 0 " leakage.Reduce the shock effect of liquid simultaneously to pipeline and affiliated facility.During Open valve, handle valve rod swivel nut 14, at first order about the sealing surface that the primary seal circle breaks away from valve body 1 fully, make it not produce wearing and tearing, position shelf 4, central layer 3 and flap 2 are fused with valve rod 7 move upward, finish the complete opening of valve.
Claims (8)
1, a kind of board-like soft seal valve, it is characterized in that by valve body (1), valve rod (7), position shelf (4), rolling element (5), intermediate (6), central layer (3) and flap (2) are formed the location hold-down mechanism, have and the matching hole of valve rod (7) and the plane that cooperates of going up closed slide on the top of position shelf (4) with valve body (1), a matching hole and a side cooperate the plane to have flat hole, location to be communicated with, the width of locating flat hole is identical with rolling element (5) diameter, length is slightly larger than the length of rolling element (5), position shelf (4) middle part is a tubulose, its diameter of bore is identical with flap (2) external diameter, symmetric arrangement groove type straight guide matches with central layer (3) in the middle of in the pipe, the symmetric arrangement guide table cooperated with valve body (1) in the middle of pipe was outer, the through hole and the positioning boss that can supply central layer (3) to pass through arranged at position shelf (4) bottom, and the locating face of boss is processed into the plane.
2, board-like soft seal valve according to claim 1 is characterized in that the semicircle groove is arranged at valve rod (7) bottom, and the radius of groove is identical with rolling element (5) radius, and the axis of groove is parallel with the side plane of the "T"-shaped termination of valve rod (7).
3, board-like soft seal valve according to claim 1 is characterized in that rolling element (5), intermediate (6), rolling element (5) are arranged as one group, are installed in the flat hole, location on position shelf (4) top.
4, board-like soft seal valve according to claim 1, the cross section that it is characterized in that intermediate (6) is a rectangle.
5, board-like soft seal valve according to claim 1 is characterized in that the wedge shape of central layer (3) for symmetry, and the angle of inclination of inclined-plane and center line is 2.5 °～11 °, has dovetail parallel with the inclined-plane and match with dovetail groove on the flap (2) on it; Top is circular arc, and the radius of circular arc is identical with the interior pore radius of position shelf (4), and there is the "T"-shaped groove of perforation the center, top.
6, board-like soft seal valve according to claim 1 is characterized in that flap (2) for discoideus, and diameter is identical with the diameter of bore of position shelf (4); The groove that encircles in one greater than the valve inside nominal diameter is arranged on the one side sealing plane, and bottom land has chamfering; There is the dovetail groove of inclination opposite side center, and it is 2.5 °～11 ° with the angle of inclination of sealing plane and cooperates with dovetail on the central layer (3).
7, board-like soft seal valve according to claim 1 is characterized in that on the sealing plane of flap (2) cross section being arranged is the annular groove that chamfering is arranged at rectangle and bottom, the primary seal circle (16) that interior dress flexible material such as rubber plastic etc. are made.
8, board-like soft seal valve according to claim 1 is characterized in that the parallel slideway that the two sealing surfaces top of valve body (1) runner has boss to constitute, and spacing is identical with position shelf (4) the top interplanar distance of two cooperations; The semicircle groove is arranged at bottom, one sideslip road, and the radius of groove is identical with rolling element (5) radius, the axis of semicircle groove and slideway plane parallel; The strip positioning boss is arranged at the bottom, and the locating face of boss is processed into the plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420002505 CN2709726Y (en) | 2004-02-02 | 2004-02-02 | Plate-type soft sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420002505 CN2709726Y (en) | 2004-02-02 | 2004-02-02 | Plate-type soft sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2709726Y true CN2709726Y (en) | 2005-07-13 |
Family
ID=34848289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420002505 Expired - Lifetime CN2709726Y (en) | 2004-02-02 | 2004-02-02 | Plate-type soft sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2709726Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1311178C (en) * | 2004-02-02 | 2007-04-18 | 李扬 | Plate type flexible sealing valve |
-
2004
- 2004-02-02 CN CN 200420002505 patent/CN2709726Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1311178C (en) * | 2004-02-02 | 2007-04-18 | 李扬 | Plate type flexible sealing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20040202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |