CN201013935Y - Selftightening type gate valve - Google Patents
Selftightening type gate valve Download PDFInfo
- Publication number
- CN201013935Y CN201013935Y CNU2007200353028U CN200720035302U CN201013935Y CN 201013935 Y CN201013935 Y CN 201013935Y CN U2007200353028 U CNU2007200353028 U CN U2007200353028U CN 200720035302 U CN200720035302 U CN 200720035302U CN 201013935 Y CN201013935 Y CN 201013935Y
- Authority
- CN
- China
- Prior art keywords
- wedge
- valve
- valve body
- sealing ring
- tightening
- 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 self-tightening gate valve, comprising a valve body, a valve base, a valve rod and a filling chamber. A wedge-shaped sealing ring is arranged between the filling chamber and the valve body, and the shape of the connection face of the filling chamber and the wedge-shaped sealing ring is matched with the wedge-shaped surface of the wedge-shaped sealing ring; a pressure distributing ring, above which four open rings are embedded in a concave groove at the inner face of the valve body, is arranged above the wedge-shaped sealing ring. The utility model has rational structure and adopts the mutual tightening by the wedge-shaped self-sealing ring and the filling chamber and makes use of pressure from valve medium to enable the closer connection of the self-tightening sealing ring and the filling chamber, and no leakage at a central cavity is happened so as to realize self-tightening sealing.
Description
Technical field:
The utility model relates to a kind of gate valve.
Background technique:
Existing gate valve is provided with the sealing of conventional seals circle between its stuffing box packing chamber and the valve body, sealability is undesirable.
Summary of the invention:
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, the self tightening gate valve of good seal performance.
Technical solution of the present utility model is:
A kind of self tightening gate valve, comprise valve body, valve seat, valve rod, filler chamber, it is characterized in that: the wedge-type seal circle is set between filler chamber and valve body, the shape on filler chamber and wedge-type seal circle mating face and the sphenoid surface coupling that is the wedge-type seal circle, above the wedge-type seal circle piezometer ring is set, the piezometer ring top is provided with the pendant collet that is embedded in the valve body inner face groove.
Between packing seal chamber and valve body dunnage is set, dunnage is connected by the adjusting screw device with the stuffing box packing chamber.
The utility model is rational in infrastructure, adopts wedge shape selfsealings circle and filler chamber to compress mutually, utilizes the pressure in the valve medium, makes the self-tightening sealing circle be connected closelyr with filler chamber, makes lumen not have leakage, reaches the purpose of self-tightening sealing.
Description of drawings:
Accompanying drawing is an embodiment's of the utility model a configuration diagram.
Embodiment:
A kind of self tightening gate valve, comprise valve body 1, valve seat 2, valve rod 3, filler chamber 4, between filler chamber 4 and valve body 1, wedge-type seal circle 5 is set, the shape on filler chamber and wedge-type seal circle mating face and the sphenoid surface coupling that is the wedge-type seal circle, piezometer ring 6 is set above wedge-type seal circle 5, and piezometer ring 6 tops are provided with the pendant collet 7 that is embedded in the valve body inner face groove.Dunnage 8 is set between packing seal chamber and valve body, and dunnage 8 is connected by adjusting screw 9, nut 10 with stuffing box packing chamber 4, can pass through the position of adjusting screw rod 9, nut 10 adjustment filler chamber.
Claims (2)
1. self tightening gate valve, comprise valve body, valve seat, valve rod, filler chamber, it is characterized in that: the wedge-type seal circle is set between filler chamber and valve body, the shape on filler chamber and wedge-type seal circle mating face and the sphenoid surface coupling that is the wedge-type seal circle, above the wedge-type seal circle piezometer ring is set, the piezometer ring top is provided with the pendant collet that is embedded in the valve body inner face groove.
2. self tightening gate valve according to claim 1 is characterized in that: between packing seal chamber and valve body dunnage is set, dunnage is connected by the adjusting screw device with the stuffing box packing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200353028U CN201013935Y (en) | 2007-03-08 | 2007-03-08 | Selftightening type gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200353028U CN201013935Y (en) | 2007-03-08 | 2007-03-08 | Selftightening type gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201013935Y true CN201013935Y (en) | 2008-01-30 |
Family
ID=39025729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200353028U Expired - Fee Related CN201013935Y (en) | 2007-03-08 | 2007-03-08 | Selftightening type gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201013935Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434693A (en) * | 2011-12-02 | 2012-05-02 | 杭州华惠阀门有限公司 | Pressure reducing valve |
| CN102563111A (en) * | 2011-11-29 | 2012-07-11 | 南通高中压阀门有限公司 | High-pressure and energy-saving universal type parallel double-valve flap gate valve |
| CN104595503A (en) * | 2015-01-19 | 2015-05-06 | 大连海顺重工环保设备有限公司 | Rotate plank type negative pressure sealing valve |
-
2007
- 2007-03-08 CN CNU2007200353028U patent/CN201013935Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563111A (en) * | 2011-11-29 | 2012-07-11 | 南通高中压阀门有限公司 | High-pressure and energy-saving universal type parallel double-valve flap gate valve |
| CN102434693A (en) * | 2011-12-02 | 2012-05-02 | 杭州华惠阀门有限公司 | Pressure reducing valve |
| CN104595503A (en) * | 2015-01-19 | 2015-05-06 | 大连海顺重工环保设备有限公司 | Rotate plank type negative pressure sealing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20110308 |