CN204420153U - A kind of mud gate valve for oil well mud circulating system - Google Patents
A kind of mud gate valve for oil well mud circulating system Download PDFInfo
- Publication number
- CN204420153U CN204420153U CN201520064884.7U CN201520064884U CN204420153U CN 204420153 U CN204420153 U CN 204420153U CN 201520064884 U CN201520064884 U CN 201520064884U CN 204420153 U CN204420153 U CN 204420153U
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- China
- Prior art keywords
- valve
- mud
- seat
- oil well
- circulating system
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- Expired - Fee Related
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Abstract
The utility model relates to valve technology field, particularly a kind of mud gate valve for oil well mud circulating system, the utility model valve rod adopts rising stem (RS.) structure, valve opens or closed condition to allow operator understand easily, valve rod volume packing layer can be changed when not removing valve gap, during spot repair, valve gap can remove to check inner member easily, do not need to remove valve just energy renewal part from pipeline, the utility model is applicable to oil well mud circulating system equipment, for controlling mud circulation and closing, connected type is that trapezoidal thread connects, install quick and convenient, rigidity is strong, safe and reliable, valve seat and flashboard adopt parallel type elastic packing, good sealing effect, open light.
Description
Technical field
The utility model relates to valve technology field, particularly a kind of mud gate valve for oil well mud circulating system.
Background technique
High-pressure slurry plate valve is mainly used on the pipeline of oil drilling industry conveying high-pressure mud, make closed circuit device, existing mud gate valve, long service life, adopts ordinary construction, it is open or closed condition that operator differentiate unclear valve, easy initiation security incident, failsafe valve need by valve remove after depot repair, can not spot repair time, delayed use, can not remove valve from pipeline just can renewal part.
Therefore, for overcoming the deficiency of above-mentioned technology and to design a installation quick and convenient, rigidity is strong, safe and reliable, valve seat and flashboard adopt parallel type elastic packing, good sealing effect, opens light a kind of mud gate valve for oil well mud circulating system, just model utility people problem to be solved.
Summary of the invention
For the deficiencies in the prior art, it is quick and convenient that design provides one to fill, and rigidity is strong, and safe and reliable, valve seat and flashboard adopt parallel type elastic packing, good sealing effect, open light a kind of mud gate valve for oil well mud circulating system.
The utility model solves the technological scheme that its technical problem adopts: a kind of mud gate valve for oil well mud circulating system, it comprises valve body, valve seat, seal ring, wave spring, flashboard, valve rod, handle core, handle, valve seat is embedded with inside described valve body, seal ring is provided with between valve seat and valve body, valve seat both sides are provided with wave spring, the flashboard vertical with valve seat is provided with in valve seat, flashboard upper end is connected with valve rod, valve rod is connected with handle core by Stem Mut, and handle core outer installment has handle.
Further, described valve body upper end is fixed with valve gap by nut, and valve gap and valve rod joint are provided with packing layer.
Further, described packing layer comprises lower Packing seat, lip filler, upper Packing seat, and lip filler is arranged in the middle of lower Packing seat and upper Packing seat, and upper Packing seat top is provided with Gland.
Further, described Gland is connected with valve gap by cone end Cock screw.
Further, described Gland top is provided with thrust ball bearing, and thrust ball bearing outer installment has support, support is provided with the lubricating cup running through support and be connected with thrust ball bearing.
Further, described valve stem tip is provided with valve rod cover.
Further, described valve rod is rising stem type structure.
The beneficial effects of the utility model are:
1, the utility model flashboard and valve base sealing coated with hard alloy, long service life, adopt rising stem (RS.) structure, valve opens or closed condition to allow operator understand easily, valve rod volume packing layer can be changed when not removing valve gap, during spot repair, valve gap can remove to check inner member easily, does not need to remove valve just energy renewal part from pipeline;
2, the utility model is applicable to oil well mud circulating system equipment, and for controlling mud circulation and closing, connected type is that trapezoidal thread connects, install quick and convenient, rigidity is strong, safe and reliable, valve seat and flashboard adopt parallel type elastic packing, good sealing effect, open light.
Accompanying drawing explanation
Fig. 1 is the utility model structure sectional view.
Reference character: 1-valve body; 2-valve seat; 3-seal ring; 4-wave spring; 5-flashboard; 6-valve gap; 7-nut; 8-valve rod; Packing seat under 9-; 10-filler; The upper Packing seat of 11-; 12-cone end lock screw; 13-Gland; 14-support; 15-thrust ball bearing; 16-lubricating cup; 17-Stem Mut; 18-handle; 19-handle core; 20-valve rod cover.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further, should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values drop on application appended claims limited range equally.
Embodiment of the present utility model, as shown in Figure 1, a kind of mud gate valve for oil well mud circulating system, it comprises valve body 1, valve seat 2, seal ring 3, wave spring 4, flashboard 5, valve rod 8, handle core 19, handle 18, valve seat 2 is embedded with inside described valve body 1, seal ring 3 is provided with between valve seat 2 and valve body 1, valve seat 2 both sides are provided with wave spring 4, the flashboard 5 vertical with valve seat 2 is provided with in valve seat 2, flashboard 5 upper end is connected with valve rod 8, valve rod 8 is connected with handle core 19 by the nut 7 of valve rod 8, and handle core 19 outer installment has handle 18.
Valve body 1 upper end is fixed with valve gap 6 by nut 7, valve gap 6 and valve rod 8 joint are provided with packing layer, described packing layer comprises lower Packing seat 9, lip filler 10, upper Packing seat 11, lip filler 10 is arranged in the middle of lower Packing seat 9 and upper Packing seat 11, upper Packing seat 11 top is provided with Gland 13, Gland 13 is connected with valve gap 6 by cone end Cock screw 12, Gland 13 top is provided with thrust ball bearing 15, thrust ball bearing 15 outer installment has support 14, support 14 is provided with the lubricating cup 16 running through support 14 and be connected with thrust ball bearing 15, valve rod 8 top is provided with valve rod cover 20, valve rod 8 is rising stem type structure.
The utility model flashboard 5 and valve seat 2 seal coated with hard alloy, long service life, adopt rising stem (RS.) structure, valve opens or closed condition to allow operator understand easily, valve rod 8 volume packing layer can be changed when not removing valve gap 6, during spot repair, valve gap 6 can remove to check inner member easily, do not need to remove valve just energy renewal part from pipeline, the utility model is applicable to oil well mud circulating system equipment, for controlling mud circulation and closing, connected type is that trapezoidal thread connects, install quick and convenient, rigidity is strong, safe and reliable, valve seat 2 and flashboard 5 adopt parallel type elastic packing, good sealing effect, open light.
The utility model when practicality, inside nominal diameter DN: be 100mm, nominal pressure PN be 35Mpa, each part, parts must repair deburring, clean up, through assembling after the assay was approved, after assembling, flashboard 5 should open and close flexibly, without jam phenomenon, the pressure test of valve should meet the regulation of GB4981-89, after pressure testing is qualified, appearance coats salmon pink paint, and machined inner surface coats industrial butter.
Claims (6)
1. the mud gate valve for oil well mud circulating system, it is characterized in that: it comprises valve body, valve seat, seal ring, wave spring, flashboard, valve rod, handle core, handle, valve seat is embedded with inside described valve body, be provided with seal ring between valve seat and valve body, valve seat both sides are provided with wave spring, are provided with the flashboard vertical with valve seat in valve seat, flashboard upper end is connected with valve rod, valve rod is connected with handle core by Stem Mut, and handle core outer installment has handle, and described valve rod is rising stem type structure.
2. a kind of mud gate valve for oil well mud circulating system according to claim 1, it is characterized in that: described valve body upper end is fixed with valve gap by nut, valve gap and valve rod joint are provided with packing layer.
3. a kind of mud gate valve for oil well mud circulating system according to claim 2, it is characterized in that: described packing layer comprises lower Packing seat, lip filler, upper Packing seat, lip filler is arranged in the middle of lower Packing seat and upper Packing seat, and upper Packing seat top is provided with Gland.
4. a kind of mud gate valve for oil well mud circulating system according to claim 3, is characterized in that: described Gland is connected with valve gap by cone end Cock screw.
5. a kind of mud gate valve for oil well mud circulating system according to claim 4, it is characterized in that: described Gland top is provided with thrust ball bearing, thrust ball bearing outer installment has support, support is provided with the lubricating cup running through support and be connected with thrust ball bearing.
6. a kind of mud gate valve for oil well mud circulating system according to claim 1, is characterized in that: described valve stem tip is provided with valve rod cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064884.7U CN204420153U (en) | 2015-01-30 | 2015-01-30 | A kind of mud gate valve for oil well mud circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064884.7U CN204420153U (en) | 2015-01-30 | 2015-01-30 | A kind of mud gate valve for oil well mud circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204420153U true CN204420153U (en) | 2015-06-24 |
Family
ID=53470524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520064884.7U Expired - Fee Related CN204420153U (en) | 2015-01-30 | 2015-01-30 | A kind of mud gate valve for oil well mud circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204420153U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331928A (en) * | 2018-04-04 | 2018-07-27 | 盐城雄威石化通用机械设备有限公司 | The hard metallic seal slurry valve of high-pressure well mouth |
| CN111006031A (en) * | 2019-12-15 | 2020-04-14 | 永嘉企达知识产权咨询有限公司 | Flat gate valve for oilfield pipeline |
-
2015
- 2015-01-30 CN CN201520064884.7U patent/CN204420153U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331928A (en) * | 2018-04-04 | 2018-07-27 | 盐城雄威石化通用机械设备有限公司 | The hard metallic seal slurry valve of high-pressure well mouth |
| CN111006031A (en) * | 2019-12-15 | 2020-04-14 | 永嘉企达知识产权咨询有限公司 | Flat gate valve for oilfield pipeline |
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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 |
Granted publication date: 20150624 Termination date: 20190130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |