CN203868363U - Hydraulic screw type stop valve - Google Patents
Hydraulic screw type stop valve Download PDFInfo
- Publication number
- CN203868363U CN203868363U CN201420245249.4U CN201420245249U CN203868363U CN 203868363 U CN203868363 U CN 203868363U CN 201420245249 U CN201420245249 U CN 201420245249U CN 203868363 U CN203868363 U CN 203868363U
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- CN
- China
- Prior art keywords
- gear
- valve
- switching mechanism
- stop valve
- screw
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- 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 hydraulic screw type stop valve. The stop valve comprises a control mechanism, a transmission mechanism, a support flange, a subsea valve, a screw rod, a signal feedback assembly and a hand wheel, wherein the transmission mechanism comprises a first bevel gear switching mechanism and a second bevel gear switching mechanism, the first bevel gear switching mechanism comprises a case as well as a first gear and a second gear which are meshed with each other, the second bevel gear switching mechanism comprises a case as well as a third gear and a fourth gear which are meshed with each other, the first bevel gear switching mechanism is fixed on the upper end surface of the support flange, the lower end surface of the support flange is fixed on a middle flange surface of the subsea valve, the screw rod penetrates through the first gear and the support flange to be connected with the subsea valve, the second gear is connected with the third gear through an input shaft, the control mechanism is connected with the fourth gear, the hand wheel is movably connected with the third gear, and a limiting screw capable of being pulled is arranged between the hand wheel and the third gear. The hydraulic screw type stop valve is simple in overall structure, reasonable to control, stable to operate and good in sealing performance.
Description
Technical field
The utility model relates to a kind of stop valve, relates in particular to a kind of hydraulic screw formula stop valve.
Background technique
Stop valve is also pipe valve, is one of most popular a kind of valve, and why very popular it is, be due in switching process between sealing surface frictional force little, more durable, Lift is little, easy to manufacture, easy to maintenance, be not only applicable to mesolow, and be applicable to high pressure.The closed principle of stop valve is that dependence valve thick stick pressure, fits tightly valve clack sealing surface and sealing surface of seat, stops medium circulation.
Hydraulic stop valve is a kind of common stop valve, be mainly used in controlling in hydraulic system pipeline, integrated oil path circulation and the cut-off of fluid, its spool is hydro-cushion formula, by inflating up and down and exit at cylinder body, piston is slided up and down in cylinder body, thereby drive valve opening and close by piston rod, but this piston-type hydro pressure cutoff valve, after long-term use, the obturation effect of piston reduces, pistons work pressure, gradually lower than requiring, cannot be closed completely.
For this situation, there is a kind of spiral hydraulic stop valve, its valve opening operates by screw rod, thereby rotate and drive valve open and close by hydraulic control screw rod, be unable to supply but work as external hydraulic power, or hydraulic actuator damage, will make whole valve to work, once valve is not closed in time, will cause unforeseen consequence.
Model utility content
The purpose of this utility model is to overcome the defect of prior art, a kind of hydraulic screw formula stop valve is provided, not only combine the feature of threaded stop valve and hydraulic stop valve, also add handwheel control, in the time that hydraulic power supply goes wrong, unlatching by handwheel control valve and closing, has increased Security.
For achieving the above object, the utility model proposes following technological scheme: a kind of hydraulic screw formula stop valve, comprise control mechanism, driving mechanism, pivot flange, sea cock and valve, screw rod and handwheel, described driving mechanism comprises the first umbrella gear switching mechanism and the second umbrella gear switching mechanism, described the first umbrella gear switching mechanism comprises housing and intermeshing the first gear and the second gear, described the second umbrella gear switching mechanism comprises housing and intermeshing the 3rd gear and the 4th gear, described the first bevel gear switching mechanism is fixed on described pivot flange upper-end surface, described pivot flange lower end surface is fixed on the middle flanged surface of described sea cock and valve, described screw rod connects described sea cock and valve through described the first gear and pivot flange, described the second gear is connected by input shaft with described the 3rd gear, described control mechanism connects described the 4th gear, described handwheel is flexibly connected with described the 3rd gear, and between described handwheel and described the 3rd gear, be provided with can drawing stop screw.
Described control mechanism comprises valve piece and motor, on described valve piece, has ferrule fitting, for connecting long-range manual pump.
Also comprise the signal output mechanism being arranged in described the first umbrella gear switching mechanism, described signal output mechanism comprises signal box, support and the signal pole of fixing described signal box, described signal pole one end connects signal box, and the other end and described screw rod are oppositely arranged.
Described handwheel comprises hand wheel shaft and rotating disc, described hand wheel shaft is embedded in the housing of described the second bevel gear switching mechanism, pull out described stop screw, described hand wheel shaft can insert in described the 3rd gear and drive described the 3rd gear to rotate, insert described stop screw, described hand wheel shaft separates with described the 3rd gear.
Described valve piece is provided with needle-valve.
Described the first gear inwall is provided with the screw thread screwing togather with described threaded stem.
Compared with prior art, a kind of hydraulic screw formula stop valve that the utility model discloses, by hydraulic strip hydrodynamic pressure motor, umbrella gear switching mechanism is set, can realize hydraulic control screw rod and open or throttle down, handwheel is set simultaneously, can realize the manual control to valve, overall structure is simple, control rationally, operate steadily, good airproof performance.
Brief description of the drawings
Fig. 1 is the structural representation that the hydraulic screw formula stop valve handwheel that discloses of the utility model departs from;
Fig. 2 is the structural representation that the hydraulic screw formula stop valve handwheel that discloses of the utility model inserts;
Fig. 3 is the driving mechanism schematic diagram that the utility model discloses.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the utility model embodiment's technological scheme is carried out to clear, complete description.
As shown in Fig. 1 ~ 3, a kind of hydraulic screw formula stop valve that the utility model discloses, comprises control mechanism 1, driving mechanism 2, pivot flange 3, sea cock and valve 4, screw rod 5, handwheel 6 and signal output mechanism 7.
Particularly, described control mechanism 1 comprises valve piece 8 and motor 9, on described valve piece 8, there is ferrule fitting 10 and needle-valve 11, described ferrule fitting 10 connects long-range manual pump, described needle-valve 11 is controlled the unlatching of described valve piece 8 and closes, open when needle-valve 11, the dynamic Control motor 9 that long-range hand pump provides rotates.
Described driving mechanism 2 comprises the first bevel gear switching mechanism 12 and the second bevel gear switching mechanism 13 that left and right arranges, described the first bevel gear switching mechanism 12 comprises housing 14, be located at interior intermeshing the first gear 15 of described housing 14 and the second gear 16, described the second bevel gear switching mechanism 13 comprises housing 14, be located at interior intermeshing the 3rd gear 17 of described housing 14 and the 4th gear 18, described the first bevel gear switching mechanism 12 is fixed on described pivot flange 3 upper-end surfaces, described the second gear 16 is connected by input shaft 19 with described the 3rd gear 17, described motor 9 connects described the 4th gear 18, drive described the 4th gear 18 to rotate, described the 3rd gear 17 other ends are connected with handwheel 6.
Between described handwheel 6 and described the 3rd gear 17, be provided with stop screw 20, described handwheel 6 comprises hand wheel shaft 21 and rotating disc 22, described hand wheel shaft 21 is provided with spacing hole 23, in the time that needs use handwheel 6, pull-out stop screw 20, hand wheel shaft 21 is inserted in described the 3rd gear 17, now rotate handwheel 6 by rotating disc 22, hand wheel shaft 21 drives the 3rd gear 17 to rotate, in the time not needing to use handwheel 6, hand wheel shaft 21 is pulled away to the 3rd gear 17, inserts and in spacing hole 23, carry out handwheel 6 positions and limit by stop screw 20.
Described signal output mechanism 7 comprises signal box 24, and the signal box support 25 of described signal box 24 is installed, and connects the signal pole 26 of signal box 24, and described signal output mechanism 7 is for sending to long-range manual pump the signal that valve open is still closed.
Described sea cock and valve 4 is fixed on the lower end surface of described pivot flange 3, described screw rod 5 is connected with described sea cock and valve 4 through described the first gear 15 and pivot flange 3, described the first gear 15 inwalls are provided with the screw thread screwing togather with described threaded stem 5, when the first gear 15 rotates, threaded stem 5 moves up and down under the effect of screw thread, thereby open or close sea cock and valve 4, described threaded stem 5 upper-end surfaces and described signal pole 26 are oppositely arranged, when threaded stem 5 rotates to uppermost time under the first gear 15 drives, threaded stem 5 contacts with signal pole 26, starting signal bar 26 produces signal, thereby send by signal box 24.
The hydraulic screw formula stop valve that the utility model discloses, its working principle is:
In the time not needing handwheel 6 to control, handwheel 6 and the 3rd gear 17 are departed from, and carry out spacing with stop screw 20, closed needle-valve 11 simultaneously, open valve piece 8, the hydraulic pressure signal of long-range manual pump is transferred on valve piece 8, drive motor 9 forward rotation simultaneously or rotate backward, now the 4th gear 18 drives the 3rd gear 17 to rotate, the 3rd gear 17 drives the second gear 16 to rotate by input shaft 19, described the second gear 16 drives the first gear 15 to rotate, the rotation of described the first gear 15 moves up or down threaded stem 5, thereby open or close sea cock and valve 4, trigger signal output mechanism 7 sends closure or openness signal simultaneously.
In the time that needs use handwheel 6 to control, stop screw 20 is extracted, the hand wheel shaft of handwheel 6 21 is inserted in the 3rd gear 17, now rotate rotating disc 22, drive the 3rd gear 17 to rotate, thereby drive the second gear 16 to rotate, and then the first gear 15 and then rotates, threaded stem 5 is motion up or down under the rotation of the first gear 15, thereby opens or closes sea cock and valve 4.
Technology contents of the present utility model and technical characteristics have disclosed as above; but those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and are done all replacement and modifications that does not deviate from the utility model spirit; therefore; the utility model protection domain should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present utility model and modifications, and contained by present patent application claim.
Claims (6)
1. a hydraulic screw formula stop valve, it is characterized in that: comprise control mechanism, driving mechanism, pivot flange, sea cock and valve, screw rod, signal feed back assembly and handwheel, described driving mechanism comprises the first umbrella gear switching mechanism and the second umbrella gear switching mechanism, described the first umbrella gear switching mechanism comprises housing and intermeshing the first gear and the second gear, described the second umbrella gear switching mechanism comprises housing and intermeshing the 3rd gear and the 4th gear, described the first umbrella gear switching mechanism is fixed on described pivot flange upper-end surface, described pivot flange lower end surface is fixed on the middle flanged surface of described sea cock and valve, described screw rod connects described sea cock and valve through described the first gear and pivot flange, described the second gear is connected by input shaft with described the 3rd gear, described control mechanism connects described the 4th gear, described handwheel is flexibly connected with described the 3rd gear, and between described handwheel and described the 3rd gear, be provided with can drawing stop screw.
2. hydraulic screw formula stop valve according to claim 1, is characterized in that: described control mechanism comprises valve piece and motor, on described valve piece, has ferrule fitting, for connecting long-range manual pump.
3. hydraulic screw formula stop valve according to claim 1, it is characterized in that: also comprise and be arranged on the described first signal output mechanism being fixed on described gear switching mechanism, described signal output mechanism comprises signal box, support and the signal pole of fixing described signal box, described signal pole one end connects signal box, and the other end and described screw rod are oppositely arranged.
4. hydraulic screw formula stop valve according to claim 1, it is characterized in that: described handwheel comprises hand wheel shaft and rotating disc, described hand wheel shaft is embedded in the housing of described the second umbrella gear switching mechanism, pull out described stop screw, described hand wheel shaft can insert in described the 3rd gear and drive described the 3rd gear to rotate, insert described stop screw, described hand wheel shaft separates with described the 3rd gear.
5. hydraulic screw formula stop valve according to claim 2, is characterized in that: described valve piece is provided with needle-valve.
6. hydraulic screw formula stop valve according to claim 1, is characterized in that: described the first gear inwall is provided with the screw thread screwing togather with described threaded stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245249.4U CN203868363U (en) | 2014-05-14 | 2014-05-14 | Hydraulic screw type stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245249.4U CN203868363U (en) | 2014-05-14 | 2014-05-14 | Hydraulic screw type stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868363U true CN203868363U (en) | 2014-10-08 |
Family
ID=51649318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420245249.4U Expired - Fee Related CN203868363U (en) | 2014-05-14 | 2014-05-14 | Hydraulic screw type stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868363U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422955A (en) * | 2015-12-12 | 2016-03-23 | 成都科斯赛德科技有限公司 | Needle valve electrohydraulic actuator |
| CN106499867A (en) * | 2015-09-08 | 2017-03-15 | 赵学锋 | A kind of controlled valve spanner |
| CN109027357A (en) * | 2018-08-07 | 2018-12-18 | 湖州万士乐建筑工程机械有限公司 | A kind of concrete washing pipeline shut-off valve |
| CN110953359A (en) * | 2019-12-31 | 2020-04-03 | 徐学新 | Multi-rotation type hydraulic valve |
-
2014
- 2014-05-14 CN CN201420245249.4U patent/CN203868363U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499867A (en) * | 2015-09-08 | 2017-03-15 | 赵学锋 | A kind of controlled valve spanner |
| CN105422955A (en) * | 2015-12-12 | 2016-03-23 | 成都科斯赛德科技有限公司 | Needle valve electrohydraulic actuator |
| CN109027357A (en) * | 2018-08-07 | 2018-12-18 | 湖州万士乐建筑工程机械有限公司 | A kind of concrete washing pipeline shut-off valve |
| CN109027357B (en) * | 2018-08-07 | 2022-06-10 | 通圆建筑集团有限公司 | Concrete cleaning pipeline stop valve |
| CN110953359A (en) * | 2019-12-31 | 2020-04-03 | 徐学新 | Multi-rotation type hydraulic valve |
| CN110953359B (en) * | 2019-12-31 | 2023-03-07 | 徐学新 | Multi-rotation type hydraulic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170308 Address after: 226000 Yongxing Road, Gangzha Economic Development Zone, Jiangsu, No. 6, No. Patentee after: Nantong Marine Machinery Group Co., Ltd. Address before: 226000 Yongxing Road, Gangzha Development Zone, Jiangsu, China, No. 1, No. Patentee before: NATONG YONGCHUANG SAILING MACHINERY CO., LTD. |
|
| 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: 20141008 Termination date: 20190514 |