CN203189778U - Wedge-type seal rotary column valve - Google Patents
Wedge-type seal rotary column valve Download PDFInfo
- Publication number
- CN203189778U CN203189778U CN 201320190244 CN201320190244U CN203189778U CN 203189778 U CN203189778 U CN 203189778U CN 201320190244 CN201320190244 CN 201320190244 CN 201320190244 U CN201320190244 U CN 201320190244U CN 203189778 U CN203189778 U CN 203189778U
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- China
- Prior art keywords
- valve
- spool
- valve body
- seat
- wedge
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- Expired - Fee Related
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Abstract
The utility model provides a wedge-type seal rotary column valve, and belongs to the technical field of valves. According to the structure of the valve, an arc-shaped flat groove formed in the lower end of a valve rod and an arc-shaped flat groove formed in the top portion of a valve core are connected in a matching mode to drive the valve core to rotate, a Teflon sleeve is arranged inside a lower shaft seat of the valve core, the top end of a lower shaft is connected with the Teflon sleeve in a matching mode, a tile-shaped seat is arranged between a valve body and a cylindrical face of the valve core, a check ring is arranged on a flow channel port of the valve body in a screwing mode through threads, the check ring sequentially squeezes a butterfly spring, a gasket, a Y-shaped seal ring, an inner sleeve, an outer sleeve and the tile-shaped seat along with the screwing-in of the threads, the tile-shaped seat squeezes the cylindrical face of the valve core and axial squeezing force is generated, the tile-shaped seat is matched with a wedge-shaped face of the inner wall of the valve body to generate radial squeezing force to the cylindrical face of the valve core, a stuffing box is arranged at the top portion of a valve cover, the stuffing box squeezes the valve rod, and a support is arranged on the periphery of a stuffing gland. The wedge-type seal rotary column valve is advanced in structure, good in sealing structure, wide in applicable working condition, and especially applicable to high-flow working conditions, gas and powder material conveying working conditions and particle-containing medium conveying working conditions.
Description
Technical field
The utility model relates to valve technology field, specifically a kind of wedge-type sealing rotation column valve.
Background technique
General, cylindricality valve of the prior art is owing to adopt the sealing configuration between spool and the valve seat very unreasonable, cause the valve leak problem can't solve for a long time, and traditional sealing configuration is too simple and the coarse using scope that limits this valve, at working conditions such as powder conveying, high temperature media conveying, High Pressure Difference medium transport, can't select for use.
Summary of the invention
Technical assignment of the present utility model is to solve the deficiencies in the prior art, and a kind of wedge-type sealing rotation column valve is provided.
The technical solution of the utility model realizes in the following manner, this wedge-type sealing rotation column valve, its structure comprises valve body, valve gap, valve rod, spool and valve seat, spool is arranged in the valve body, spool adopts the cylindrical body spool, on the cylndrical surface of spool, offer the circular hole that equates bore with the valve flowing channel mouth, the flat groove of arc that valve rod lower end and spool top the arrange driving valve core rotation that is connected, the spool bottom is provided with down axle bed, be provided with the tetrafluoro cover in the following axle bed, the top of lower shaft and tetrafluoro cover are connected, and the valve body bottom offers lower shaft hole, lower shaft hole is provided with down shaft-cup, seals by the lower shaft sealing gasket between lower shaft and the valve body; Be provided with a watt shape seat between the cylndrical surface of valve body and spool, back-up ring revolves by screw thread and is located on the valve flowing channel mouth, back-up ring crimping butterfly spring in valve flowing channel mouth inboard, butterfly spring crimping packing ring, interior cover socket-connects with overcoat, and be provided with the inner room sealing gasket between interior cover and the overcoat, be provided with y-type seal ring between valve body and interior cover, the overcoat, interior cover, overcoat sealing are plugged on watt shape seat, and back-up ring pushes butterfly spring, packing ring, y-type seal ring, interior cover, overcoat, watt shape seat, watt shape seat extruding spool cylndrical surface successively by the precession of screw thread; Valve body top is provided with valve gap, valve gap is connected with valve body by the valve gap bolt, the valve gap top is provided with stuffing box, and the stuffing box portion that valve gap is passed in the valve rod upper end leans out, and is provided with Packing seat in the stuffing box, the Packing seat top is provided with filler, the filler top is provided with the filler gland, and the stuffing box top is provided with Gland, and Gland is fastenedly connected by gland bolt and valve gap, Gland pushes filler gland, filler, Packing seat successively, filler extruding valve rod; The Gland outer periphery is equipped with support.
Circular hole and the coaxial setting of valve flowing channel mouth.
Be connected by the lower shaft bonnet bolt between following shaft-cup and the valve body.
Be set to bilateral symmetry, the relative sphenoid surface structure in front and back in the valve body inner radial surface.
Constitute the valve seat assembly by interior cover, overcoat, a watt shape seat grafting.
The beneficial effect that the utility model compared with prior art produces is:
Structure advanced person, the sealing configuration of this wedge-type sealing rotation column valve is good, applicable working condition is extensive, especially big flow operating mode.
The characteristics of this wedge-type sealing rotation column valve:
(1) because the simple flow resistance coefficient small flow of valve flowing channel coefficient negotiability big, valve is strong.
(2) owing to adopt wedge valve body structure, combined type valve seat form, formed axial, radial seal specific pressure between valve seat and the spool, further optimized the sealing configuration between valve seat and the spool, significant sealing affection improves.
(3) than traditional cylindricality changeover valve, the Applicable scope of wedge-type sealing rotation column valve operating mode is bigger, is particularly useful for gas+solid granular medium transport condition.
Wedge-type of the present utility model sealing rotation column valve has been filled up technical blank, carries and has aspect the medium transport of particle at gas, powder, and this valve must show good technical performance.
This wedge-type sealing rotation column valve is reasonable in design, simple in structure, safe and reliable, easy to use, be easy to safeguard, has good value for applications.
Description of drawings
Mark in the accompanying drawing is represented respectively:
1, valve body, 2, back-up ring, 3, the butterfly spring, 4, packing ring, 5, y-type seal ring, 6, valve seat, 7, spool, 8, the tetrafluoro cover, 9, lower shaft, 10, following shaft-cup, 11, the lower shaft bonnet bolt, 12, the bolt pad, 13, the lower shaft sealing gasket, 14, the valve bonnet seal pad, 15, valve rod, 16, Packing seat, 17, filler, 18, the filler gland, 19, Gland, 20, gland bolt, 21, gland nut, 22, support, 23, valve gap, 24, the valve gap bolt, 25, bonnet nut, 26, interior cover, 27, overcoat, 28, the inner room sealing gasket, 29, watt shape seat, 30, the valve flowing channel mouth, 31, the flat groove of arc, 32, circular hole.
Embodiment
Below in conjunction with accompanying drawing wedge-type sealing rotation column valve of the present utility model is done following detailed description the in detail.
As shown in drawings, wedge-type sealing rotation column valve of the present utility model, its structure comprises valve body 1, valve gap 23, valve rod 15, spool 7 and valve seat 6,
Be set to bilateral symmetry, the relative sphenoid surface structure in front and back in the valve body inner radial surface.
Constitute the valve seat assembly by interior cover, overcoat, a watt shape seat grafting.
Wherein: valve component comprises back-up ring, the butterfly spring, packing ring, y-shaped ring, interior cover, overcoat, watt shape seat, valve rod places the spool top and cooperates live axle as spool with it, lower shaft places the bottom of spool and cooperates supporting axle as spool with it, valve component places the interior and valve core sealed cover drive fit of the valve flowing channel mouth at valve body two ends respectively, the y-type seal ring group places on the valve component and cooperates with valve body, back-up ring is respectively with valve flowing channel mouth screw-thread fit and push the butterfly spring, packing ring, y-type seal ring, interior cover, overcoat, watt shape seat and spool, realized the sealing of valve component and spool, the axial seal of valve component and valve body, the valve body inner radial surface is designed to wedge-shaped structure, valve component is at back-up ring, when cooperating with spool under the effect of butterfly spring, effect lower valve base at wedge-shaped structure has produced lateral extrusion power to spool, thereby realized the radial seal of valve seat to spool, made the sealing of spool more thorough.Valve rod drives spool and rotates the opening and closing that realized spool under the effect of angle stroke actuators.
It is fastening with Gland with the bolt group that Gland is placed on filler gland top, and the purpose of sealing held valve rod and then reach tightly by filler under the effect of Gland and filler gland.
Tetrafluoro cover in lower shaft and the axis hole cooperates, makes valve core rotation more steadily and along sliding.
Claims (5)
1. wedge-type sealing rotation column valve comprises valve body, valve gap, valve rod, spool and valve seat, it is characterized in that:
Spool is arranged in the valve body, spool adopts the cylindrical body spool, on the cylndrical surface of spool, offer the circular hole that equates bore with the valve flowing channel mouth, the flat groove of arc that valve rod lower end and spool top the arrange driving valve core rotation that is connected, the spool bottom is provided with down axle bed, is provided with the tetrafluoro cover in the following axle bed, the top of lower shaft and tetrafluoro cover are connected, the valve body bottom offers lower shaft hole, and lower shaft hole is provided with down shaft-cup, seals by the lower shaft sealing gasket between lower shaft and the valve body;
Be provided with a watt shape seat between the cylndrical surface of valve body and spool, back-up ring revolves by screw thread and is located on the valve flowing channel mouth, back-up ring crimping butterfly spring in valve flowing channel mouth inboard, butterfly spring crimping packing ring, interior cover socket-connects with overcoat, and be provided with the inner room sealing gasket between interior cover and the overcoat, valve body and interior cover, be provided with y-type seal ring between the overcoat, interior cover, the overcoat sealing is plugged on watt shape seat, back-up ring pushes the butterfly spring successively by the precession of screw thread, packing ring, y-type seal ring, interior cover, overcoat, watt shape seat, watt shape seat extruding spool cylndrical surface produces axial compression power, and watt shape seat cooperates with the sphenoid surface of valve body inner radial surface spool cylndrical surface generation lateral extrusion power;
Valve body top is provided with valve gap, valve gap is connected with valve body by the valve gap bolt, the valve gap top is provided with stuffing box, and the stuffing box that valve gap is passed in the valve rod upper end leans out, and is provided with Packing seat in the stuffing box, the Packing seat top is provided with filler, the filler top is provided with the filler gland, and the stuffing box top is provided with Gland, and Gland is fastenedly connected by gland bolt and valve gap, Gland pushes filler gland, filler, Packing seat successively, filler extruding valve rod; The Gland outer periphery is equipped with support.
2. wedge-type sealing rotation column valve according to claim 1 is characterized in that circular hole and the coaxial setting of valve flowing channel mouth.
3. wedge-type according to claim 1 sealing rotation column valve is characterized in that being connected by the lower shaft bonnet bolt between the shaft-cup and valve body down.
4. wedge-type sealing rotation column valve according to claim 1 is characterized in that being set to bilateral symmetry, the relative sphenoid surface structure in front and back in the valve body inner radial surface.
5. wedge-type sealing rotation column valve according to claim 1 is characterized in that constituting the valve seat assembly by interior cover, overcoat, a watt shape seat grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320190244 CN203189778U (en) | 2013-04-16 | 2013-04-16 | Wedge-type seal rotary column valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320190244 CN203189778U (en) | 2013-04-16 | 2013-04-16 | Wedge-type seal rotary column valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189778U true CN203189778U (en) | 2013-09-11 |
Family
ID=49106639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320190244 Expired - Fee Related CN203189778U (en) | 2013-04-16 | 2013-04-16 | Wedge-type seal rotary column valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771785A (en) * | 2019-03-08 | 2019-05-21 | 巴豪斯医疗器械（苏州）有限公司 | A kind of radial rotary device of medical respiration machine support |
-
2013
- 2013-04-16 CN CN 201320190244 patent/CN203189778U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771785A (en) * | 2019-03-08 | 2019-05-21 | 巴豪斯医疗器械（苏州）有限公司 | A kind of radial rotary device of medical respiration machine support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130911 Termination date: 20160416 |