CN201982394U - Ultrahigh-pressure hydraulic solenoid reversing valve - Google Patents
Ultrahigh-pressure hydraulic solenoid reversing valve Download PDFInfo
- Publication number
- CN201982394U CN201982394U CN2011200729206U CN201120072920U CN201982394U CN 201982394 U CN201982394 U CN 201982394U CN 2011200729206 U CN2011200729206 U CN 2011200729206U CN 201120072920 U CN201120072920 U CN 201120072920U CN 201982394 U CN201982394 U CN 201982394U
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- Prior art keywords
- valve
- valve body
- bush
- gland
- cascade
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Abstract
The utility model relates to an ultrahigh-pressure hydraulic solenoid reversing valve, which comprises an electromagnet, a first elastic component, a first seal ring, a second seal ring, a third seal ring, a second elastic component, an adjusting bolt, a screw plug, a retainer ring, a stepped valve bush, a valve body, a valve core, a gland bush and a ring-shaped groove, wherein the electromagnet is mounted on one side of the valve body; the valve core is positioned in the valve body; the stepped valve bush is arranged between the valve body and the valve core; the gland bush is mounted between the electromagnet and the stepped valve bush; and the gland bush compresses the stepped valve bush through the first elastic component. Through the additional arrangement of the stepped valve bush, the three seal rings, the retainer ring and the gland bush, the processing difficulty of the valve body is lowered; only the valve core and the valve bush are made of alloy steel and thermal treatment is only conducted on the valve core and the valve bush, so that the integral manufacturing cost is lowered; and the large-scale production of the valve core and valve bush is facilitated for running-in, so that the finished product ratio is improved. A processing scheme is provided for realizing low cost and producing the ultrahigh-pressure hydraulic solenoid reversing valve with high performances.
Description
Technical field
The utility model relates to a kind of selector valve, and it is simple particularly to relate to a kind of internal structure, the ultrahigh-pressure hydraulic solenoid directional control valve that machining accuracy is high.
Background technique
Hydraulic electromagnetic change valve is the valve that comes controlling liquid to flow by electric signal, and it can be used for realizing hydraulic system ground unloading, sequentially-operating and oil circuit commutation.
The application of ultrahigh-pressure hydraulic solenoid directional control valve (selector valve pressure can reach 70Mpa) on engineering at present is more and more wider, as synchronous jacking control system, pressure testing system etc.Problems such as but homemade ultrahigh-pressure hydraulic solenoid directional control valve is owing to structural reason, and the limitation of processing, assembly technology in use exists commutation ability unreliable in addition, reveals greatly, and the life-span is short, and noise is serious.
In view of above reason, on the structure of solenoid directional control valve, improve, be convenient to processing and assembling, thereby improve the commutation precision, reduce and reveal, improve commutation pressure, prolong the working life of valve.
The model utility content
At the problems referred to above, main purpose of the present utility model is to provide a kind of internal structure simple, the ultrahigh-pressure hydraulic solenoid directional control valve that machining accuracy is high.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of ultrahigh-pressure hydraulic solenoid directional control valve, described selector valve comprises electromagnet, first elastic member, first seal ring, second seal ring, the 3rd seal ring, second elastic member, adjusting screw, screw plug, back-up ring, the cascade valve pocket, valve body, spool, gland, toroidal cavity, described electromagnet is installed in a side of valve body, described spool is positioned at valve body, described cascade valve pocket is arranged between valve body and the spool, between electromagnet and cascade valve pocket, gland is installed, described gland is pressed on the cascade valve pocket by first elastic member, the side away from gland at described cascade valve pocket is equipped with back-up ring, described back-up ring is close on the cascade valve pocket by screw plug, screw plug and valve body are twisted by screw thread and are lumped together, center at screw plug has tapped hole, adjusting screw is installed in the hole, and the center and the spool of adjusting screw are coaxial, second elastic member is installed between adjusting screw and the spool, close position at the cascade valve pocket is provided with the 3rd seal ring, be provided with second seal ring at cascade valve pocket and valve body ladder place, between valve body is near end of gland and valve body, be provided with first seal ring, on spool, be provided with toroidal cavity, on valve body, have first oil duct and second oil duct, internal surface at valve body has first groove and second groove, first groove is communicated with first oil duct, second groove is communicated with second oil duct, on the cascade valve pocket, have first aperture and second aperture, first aperture, second aperture and first groove, second groove is corresponding.
In specific embodiment of the utility model, described solenoid directional control valve is in "on" position second oil duct, second groove, toroidal cavity and the connection of second aperture, under "on" position, first oil duct, first aperture, toroidal cavity, second aperture, second groove and second oil duct are communicated with.
In specific embodiment of the utility model, have first hole and second hole on the described valve body, the gap between screw plug and the valve body is led in described first hole, and the gap between gland and the valve body is led in second hole.
In specific embodiment of the utility model, described first elastic member and second elastic member are spring.
Positive progressive effect of the present utility model is: the ultrahigh-pressure hydraulic solenoid directional control valve that the utility model provides has the following advantages: the utility model increases the cascade valve pocket, and increase the three seals circle simultaneously, and back-up ring and gland, reduced the difficulty of processing of valve body.Need simultaneously only spool and valve pocket are selected for use superior alloy steel and heat-treated, reduce whole manufacture cost.Also just with mass production spool and valve pocket, carry out facing-up, improve yield rate.For realizing low cost, production high-performance ultrahigh-pressure hydraulic solenoid directional control valve provides a kind of process program.
Description of drawings
Fig. 1 is a general structure schematic representation of the present utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
Fig. 1 is a general structure schematic representation of the present utility model, as we can see from the figure, the utility model comprises electromagnet 1, first elastic member 2, first seal ring 3, second seal ring 4, the 3rd seal ring 5, second elastic member 6, adjusting screw 7, screw plug 8, back-up ring 9, cascade valve pocket 10, valve body 11, spool 12, gland 13, toroidal cavity 14, electromagnet 1 is installed in a side of valve body 11, spool 12 is positioned at valve body 11, cascade valve pocket 10 is arranged between valve body 11 and the spool 12, between electromagnet 1 and cascade valve pocket 10, gland 13 is installed, gland 13 is pressed on the cascade valve pocket 10 by first elastic member 2, the side away from gland 13 at described cascade valve pocket 10 is equipped with back-up ring 9, back-up ring 9 is close on cascade valve pocket 10 by screw plug 8, screw plug 8 and valve body 11 are twisted by screw thread and are lumped together, center at screw plug 8 has tapped hole, adjusting screw 7 is installed in the hole, and the center of adjusting screw 7 and spool 12 are coaxial, second elastic member 6 is installed between adjusting screw 7 and the spool 12, the position near 9 at cascade valve pocket 10 is provided with the 3rd seal ring 5, be provided with second seal ring 4 at cascade valve pocket 10 with valve body 11 ladder places, between valve body 11 is near end of glands 13 and valve body 11, be provided with first seal ring 3, on spool 12, be provided with toroidal cavity 14, on valve body 11, have first oil duct 21 and second oil duct 22, internal surface at valve body 11 has first groove 16 and second groove 18, first groove 16 is communicated with first oil duct 21, second groove 18 is communicated with second oil duct 22, on cascade valve pocket 10, have first aperture 15 and second aperture, 17, the first apertures 15, second aperture 17 and first groove 16, second groove 18 is corresponding.
The utility model is in "on" position second oil duct 22, second groove 18, toroidal cavity 14 and 17 connections of second aperture, under "on" position, first oil duct 21, first aperture 15, toroidal cavity 14, second aperture 17, second groove 18 and second oil duct 22 are communicated with.
Have first hole 19 and 20, the first holes 19, second hole on the valve body 11 and lead to gap between screw plug 8 and the valve body 11, the gap between gland 13 and the valve body 11 is led in second hole 20.
In specific embodiment of the utility model, first elastic member 2 and second elastic member 6 are spring.
The utility model increases the cascade valve pocket, and increases the three seals circle simultaneously, and back-up ring and gland, has reduced the difficulty of processing of valve body.Need simultaneously only spool and valve pocket are selected for use superior alloy steel and heat-treated, reduce whole manufacture cost.Also just with mass production spool and valve pocket, carry out facing-up, improve yield rate.For realizing low cost, production high-performance ultrahigh-pressure hydraulic solenoid directional control valve provides a kind of process program.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. ultrahigh-pressure hydraulic solenoid directional control valve, described selector valve comprises electromagnet (1), first elastic member (2), first seal ring (3), second seal ring (4), the 3rd seal ring (5), second elastic member (6), adjusting screw (7), screw plug (8), back-up ring (9), cascade valve pocket (10), valve body (11), spool (12), gland (13), toroidal cavity (14), it is characterized in that: described electromagnet (1) is installed in a side of valve body (11), described spool (12) is positioned at valve body (11), described cascade valve pocket (10) is arranged between valve body (11) and the spool (12), between electromagnet (1) and cascade valve pocket (10), gland (13) is installed, described gland (13) is pressed on the cascade valve pocket (10) by first elastic member (2), the side away from gland (13) at described cascade valve pocket (10) is equipped with back-up ring (9), described back-up ring (9) is close on cascade valve pocket (10) by screw plug (8), screw plug (8) and valve body (11) are twisted by screw thread and are lumped together, center at screw plug (8) has tapped hole, adjusting screw (7) is installed in the hole, and the center of adjusting screw (7) and spool (12) are coaxial, between adjusting screw (7) and the spool (12) second elastic member (6) is installed, the position near (9) at cascade valve pocket (10) is provided with the 3rd seal ring (5), be provided with second seal ring (4) at cascade valve pocket (10) with valve body (11) ladder place, between valve body (11) is near end of gland (13) and valve body (11), be provided with first seal ring (3), on spool (12), be provided with toroidal cavity (14), on valve body (11), have first oil duct (21) and second oil duct (22), internal surface at valve body (11) has first groove (16) and second groove (18), first groove (16) is communicated with first oil duct (21), second groove (18) is communicated with second oil duct (22), on cascade valve pocket (10), have first aperture (15) and second aperture (17), first aperture (15), second aperture (17) and first groove (16), second groove (18) is corresponding.
2. ultrahigh-pressure hydraulic solenoid directional control valve according to claim 1, it is characterized in that: described solenoid directional control valve is in "on" position second oil duct (22), second groove (18), toroidal cavity (14) and second aperture (17) connection, under "on" position, first oil duct (21), first aperture (15), toroidal cavity (14), second aperture (17), second groove (18) and second oil duct (22) are communicated with.
3. ultrahigh-pressure hydraulic solenoid directional control valve according to claim 1, it is characterized in that: have first hole (19) and second hole (20) on the described valve body (11), the gap between screw plug (8) and the valve body (11) is led in described first hole (19), and second hole (20) lead to the gap between gland (13) and the valve body (11).
4. ultrahigh-pressure hydraulic solenoid directional control valve according to claim 1 is characterized in that: described first elastic member (2) and second elastic member (6) are spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200729206U CN201982394U (en) | 2011-03-18 | 2011-03-18 | Ultrahigh-pressure hydraulic solenoid reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200729206U CN201982394U (en) | 2011-03-18 | 2011-03-18 | Ultrahigh-pressure hydraulic solenoid reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982394U true CN201982394U (en) | 2011-09-21 |
Family
ID=44609856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200729206U Expired - Lifetime CN201982394U (en) | 2011-03-18 | 2011-03-18 | Ultrahigh-pressure hydraulic solenoid reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982394U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017097267A1 (en) * | 2015-12-07 | 2017-06-15 | 常州市康士达机电有限公司 | Electromagnetic directional control valve |
| CN109737112A (en) * | 2019-01-30 | 2019-05-10 | 广东科达洁能股份有限公司 | A kind of super-pressure dynamic valve |
| CN110608298A (en) * | 2019-09-25 | 2019-12-24 | 昆山海芯机电科技有限公司 | Manual reversing valve with enhanced sealing |
-
2011
- 2011-03-18 CN CN2011200729206U patent/CN201982394U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017097267A1 (en) * | 2015-12-07 | 2017-06-15 | 常州市康士达机电有限公司 | Electromagnetic directional control valve |
| CN109737112A (en) * | 2019-01-30 | 2019-05-10 | 广东科达洁能股份有限公司 | A kind of super-pressure dynamic valve |
| CN110608298A (en) * | 2019-09-25 | 2019-12-24 | 昆山海芯机电科技有限公司 | Manual reversing valve with enhanced sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUYANG TONGLI INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: SHANGHAI MARITIME UNIVERSITY Effective date: 20120801 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200135 PUDONG NEW AREA, SHANGHAI TO: 311407 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120801 Address after: 311407 Zhejiang province Fuyang Tonghui road Lushan Industrial Park No. 8 Patentee after: Fuyang Tongli Industrial Co., Ltd. Address before: 200135 No. 1550, Pudong Avenue, Pudong New Area, Shanghai Patentee before: Shanghai Maritime University |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |
|
| CX01 | Expiry of patent term |