CN202040340U - Throttling stop valve in hydraulic control valve system - Google Patents
Throttling stop valve in hydraulic control valve system Download PDFInfo
- Publication number
- CN202040340U CN202040340U CN2011201431567U CN201120143156U CN202040340U CN 202040340 U CN202040340 U CN 202040340U CN 2011201431567 U CN2011201431567 U CN 2011201431567U CN 201120143156 U CN201120143156 U CN 201120143156U CN 202040340 U CN202040340 U CN 202040340U
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- CN
- China
- Prior art keywords
- adjusting screw
- spool
- valve
- throttling stop
- control valve
- 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 - Lifetime
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- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model relates to a throttling stop valve in a hydraulic control valve system, which comprises a valve pocket, a spool and an adjusting screw. The valve pocket is provided with a sealing ring A and a sealing ring B and connected with a limiting nut in a threaded mode, the spool is provided with two sealing rings, a groove and a stopping block which are arranged on the spool are connected with the adjusting screw, the adjusting screw is connected with the valve pocket in a threaded mode, and a handle and a positioning pin are mounted on the adjusting screw. When the throttling stop valve is used for adjusting, by the aid of rotation of the handle, the spool is driven by the adjusting screw to move linearly in the valve pocket, spiral movement of the sealing rings is avoided, and accordingly damage to the sealing rings caused by twisting, deformation and tearing can be avoided, oil leakage of the throttling stop valve is avoided, pressure maintaining performance of the hydraulic control valve system is improved, the start frequency of a motor of the hydraulic control valve system is decreased and environmental pollution is reduced.
Description
Technical field
The utility model kind hydraulic element relate in particular to the throttling stop valve in a kind of fluid-control valve system.
Background technique
At present, throttling stop valve in the fluid-control valve system adopts integrally-regulated screw rod, seal ring is housed on the adjusting screw rod, when regulating the opening of throttling stop valve, seal ring is always for the helical movement, just because of this spiral motion, seal ring often produces and twists modification, tears and damages, and causes leakage of oil; Thereby cause the reduction of the pressure maintaining performance of system, the Oil pump electrical machinery frequent starting leaks the pollution of oil to environment.
Summary of the invention
The purpose of this utility model just provides and a kind ofly can overcome above throttling stop valve and have defective, and is both easy to maintenance, can satisfy traffic requirement in each again, no oil leakage phenomenon be applicable to throttling stop valve in the fluid-control valve system.
The technical solution of the utility model is achieved in that a kind of throttling stop valve that is applicable in the fluid-control valve system, it comprises valve pocket, spool and adjusting screw rod, on valve pocket, be provided with seal ring A and seal ring B, valve pocket is connected with stop nut by screw thread, be provided with two road seal rings at spool, the groove and the block that are located on the spool are connected with adjusting screw rod, and adjusting screw rod is connected with valve pocket by screw thread, and handle and locating stud are housed on the adjusting screw rod.
The utility model has the advantages that: when regulating the opening of throttling stop valve, avoid seal ring always for the helical movement, thereby avoid seal ring often to produce and twist modification, tear and damage, avoid the throttling stop valve oil leakage phenomenon, improve the pressure maintaining performance of fluid-control valve system, reduce the fluid-control valve system motor and start frequency, reduce the pollution of environment.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of this spool 3.
Embodiment
As shown in Figure 1, 2, a kind of throttling stop valve that is applicable in the fluid-control valve system, it comprises valve pocket 2, spool 3 and adjusting screw rod 5, on valve pocket 2, be provided with seal ring A1 and seal ring B6, valve pocket 2 is connected with stop nut 7 by screw thread, is provided with two road seal rings 4 at spool 3, and the groove 31 and the block 32 that are located on the spool 3 are connected with adjusting screw rod 5, adjusting screw rod 5 is connected with valve pocket 2 by screw thread, and handle 9 and locating stud 8 are housed on the adjusting screw rod 5.
The utility model throttling stop valve is when regulating, as shown in Figure 1, 2, by rotatablely moving of handle 9, adjusting screw rod 5 drives spool 3 moving linearly in valve pocket 2, avoid seal ring for the helical movement, thereby avoid seal ring often to produce and twist modification, tear and damage, avoid the throttling stop valve oil leakage phenomenon.
Claims (1)
1. the throttling stop valve in the fluid-control valve system, it comprises valve pocket (2), spool (3) and adjusting screw rod (5), it is characterized in that: on valve pocket (2), be provided with seal ring A (1) and seal ring B (6), valve pocket (2) is connected with stop nut (7) by screw thread, be provided with two road seal rings (4) at spool (3), the groove (31) and the block (32) that are located on the spool (3) are connected with adjusting screw rod (5), adjusting screw rod (5) is connected with valve pocket (2) by screw thread, and handle (9) and locating stud (8) are housed on the adjusting screw rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201431567U CN202040340U (en) | 2011-05-06 | 2011-05-06 | Throttling stop valve in hydraulic control valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201431567U CN202040340U (en) | 2011-05-06 | 2011-05-06 | Throttling stop valve in hydraulic control valve system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202040340U true CN202040340U (en) | 2011-11-16 |
Family
ID=44967783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201431567U Expired - Lifetime CN202040340U (en) | 2011-05-06 | 2011-05-06 | Throttling stop valve in hydraulic control valve system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202040340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107133395A (en) * | 2017-04-26 | 2017-09-05 | 北京航空航天大学 | A kind of flow guiding valve erosive wear computational methods based on dynamic pollution granule density |
-
2011
- 2011-05-06 CN CN2011201431567U patent/CN202040340U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107133395A (en) * | 2017-04-26 | 2017-09-05 | 北京航空航天大学 | A kind of flow guiding valve erosive wear computational methods based on dynamic pollution granule density |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |
|
| CX01 | Expiry of patent term |