CN201934412U - Multi-station fully-automatic hydraulic reversing valve - Google Patents
Multi-station fully-automatic hydraulic reversing valve Download PDFInfo
- Publication number
- CN201934412U CN201934412U CN2011200834950U CN201120083495U CN201934412U CN 201934412 U CN201934412 U CN 201934412U CN 2011200834950 U CN2011200834950 U CN 2011200834950U CN 201120083495 U CN201120083495 U CN 201120083495U CN 201934412 U CN201934412 U CN 201934412U
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- China
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- valve body
- spool
- oil inlet
- automatic hydraulic
- fully automatic
- Prior art date
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Abstract
The utility model discloses a multi-station fully-automatic hydraulic reversing valve, comprising a valve core (1) and a valve body (2), wherein the valve core (1) is a cylinder; the valve body (2) is arranged at the external side of the valve core (1) in a radial direction; an upper bearing (10), an upper sealing ring (11), a lower bearing (8) and a lower sealing ring (9) are embedded between the upper ends and the lower ends of the valve body (2) and the valve core (1) respectively; the lower edge of the lower bearing (8) is aligned to the lower edge of the valve body (2); the lower sealing ring (9) is arranged at the internal side of the lower bearing (8) in an axial direction; the upper edge of the upper bearing (10) is aligned to the upper edge of the valve body (2); the upper sealing ring (11) is arranged at the internal side of the upper bearing (10) in an axial direction; and a driven gear (13) is fixed at the external side at the lower end of the valve body (2) and is engaged and connected with a driving gear (14) which is connected with a gearbox (15). The multi-station fully-automatic hydraulic reversing valve has a simple structure, few failures, long service life and a wide application scope.
Description
Technical field
The utility model relates to a kind of industrial hydraulic control component, especially a kind of selector valve that carries out multi-position, full-automatic commutation, a kind of specifically multi-position fully automatic hydraulic selector valve.
Background technique
Selector valve is the position control valve with two or more liquid forms and two above hydraulic fluid ports, is the valve of realizing communication, cut-out and commutation and the discharge degree and the sequentially-operating control of hydraulic oil flow.Selector valve can be divided into hand-operated direction valve, solenoid directional control valve, electro-hydraulic reversing valve etc., and it is called Chris's valve again, has multidirectional adjustable passage, can change the flow direction of fluid in good time.Existing hydraulicdirectional control valve, spool needs relative valve body axial motion in the using process, and a selector valve can only use by supporting hydraulic element, and complex structure, fault is many, the life-span is short.Restricted application.
Summary of the invention
The purpose of this utility model is the defective that exists at existing hydraulicdirectional control valve, and a kind of good seal performance, simple in structure, fault is few, the life-span is long multi-position fully automatic hydraulic selector valve are provided.
The purpose of this utility model solves by the following technical programs:
A kind of multi-position fully automatic hydraulic selector valve, comprise spool and valve body, spool is provided with hydraulic pressure oil inlet pipe and hydraulic oil-returning pipe, the both sides of valve body all are provided with oil cylinder oil inlet pipe and oil cylinder return tube, described spool is a cylinder, valve body is arranged on the radial outside of the spool that the internal diameter of external diameter and valve body matches, the lower end of spool is provided with the step greater than valve block internal diameter, be embedded with lower bearing and lower seal between the lower end of valve body and spool, the lower edge of described lower bearing is concordant with the lower edge of valve body, lower seal is positioned at the axial inboard of lower bearing, be embedded with upper bearing (metal) and last seal ring between the upper end of valve body and spool, the upper edge of described upper bearing (metal) is concordant with the upper edge of valve body, and last seal ring is positioned at the axial inboard of upper bearing (metal); Described valve body is the hollow shaft that upper and lower end is provided with the shaft shoulder, and the outside, lower end of valve body fixedly installs driven gear, and the outside of driven gear links to each other with the driving gear engagement, and driving gear links to each other with gearbox by the main shaft of gearbox.
Be provided with main oil inlet hole and main spill port in the described spool, main oil inlet hole links to each other with the hydraulic oil-returning pipe with the hydraulic pressure oil inlet pipe of spool upside respectively with main spill port.
The oilhole that radially is provided with the position correspondence of described spool and valve body, described oilhole lay respectively on oil cylinder oil inlet pipe and the residing plane of oil cylinder return tube.
The oilhole at described oil cylinder oil inlet pipe place and the oilhole quantity at oil cylinder return tube place are all 1-64
The oilhole at described oil cylinder oil inlet pipe place and the oilhole at oil cylinder return tube place are interspersed.
The footpath that described oilhole is positioned at main oil inlet hole and main spill port upwards and with main oil inlet hole and main spill port is communicated with.
The upside of described upper bearing (metal) is provided with the middle part and embeds the interior pressure pad of spool, and the upside of pressure pad is provided with check washer, flat nut successively, and described check washer is between pressure pad and flat nut, and described flat nut is connected with the upper end spiral of spool.
Described driven gear is by being bolted to shaft shoulder downside.
The lower edge of described driven gear is concordant with the lower edge of valve body.
The shaft shoulder of described valve body upper end is fixedly linked by the head of bolt and extrusion press.
The utility model has following advantage compared to existing technology:
The utility model utilizes two cylindrical bodys can make the characteristic of relative movement, making spool is stator, valve body is a rotor, correspondence is provided with two-layer interlaced oilhole on spool and valve body simultaneously, the quantity of oilhole can be determined just automatic reverse when valve body rotates according to the number of times of required commutation and the flow strength of fluid.
The frequency of the utility model commutation determines that by the slewing rate of valve body and the quantity of oilhole single selector valve can replace traditional a plurality of selector valves, and have simple in structure, fault is few, the life-span is long, advantage of wide range of application.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is the cross sectional representation at oil cylinder oil inlet pipe place;
Accompanying drawing 3 is the cross sectional representation at oil cylinder return tube place.
Wherein: 1-spool; 2-valve body; 3-hydraulic pressure oil inlet pipe; 4-hydraulic oil-returning pipe; 5-oil cylinder oil inlet pipe; 6-oil cylinder return tube; 7-step; 8-lower bearing; 9-lower seal; 10-upper bearing (metal); 11-upward seal rings; 12-shaft shoulder; 13-driven gear; 14-driving gear; 15-gearbox; 16-main oil inlet hole; 17-main spill port; 18-oilhole; 19-pressure pad; 20-check washer; 21-flat nut; 22-bolt.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As Figure 1-3: a kind of multi-position fully automatic hydraulic selector valve, comprise spool 1 and valve body 2, spool 1 is provided with hydraulic pressure oil inlet pipe 3 and hydraulic oil-returning pipe 4, and the both sides of valve body 2 all are provided with oil cylinder oil inlet pipe 5 and oil cylinder return tube 6.Spool 1 is a cylinder, valve body 2 is arranged on the radial outside of the spool 1 that the internal diameter of external diameter and valve body 2 matches, the lower end of spool 1 is provided with the step 7 greater than valve body 2 internal diameters, be embedded with lower bearing 8 and lower seal 9 between the lower end of valve body 2 and spool 1, wherein the lower edge of lower bearing 8 is concordant with the lower edge of valve body 2, and lower seal 9 is positioned at the axial inboard of lower bearing 8; Be embedded with upper bearing (metal) 10 and last seal ring 11 between the upper end of valve body 2 and spool 1, the upper edge of upper bearing (metal) 10 is concordant with the upper edge of valve body 2, last seal ring 11 is positioned at the axial inboard of upper bearing (metal) 10, the upside of upper bearing (metal) 10 is provided with the pressure pad 19 in the middle part embedding spool 1, the upside of pressure pad 19 is provided with check washer 20, flat nut 21 successively, check washer 20 is between pressure pad 19 and flat nut 21, and flat nut 21 is connected with the upper end spiral of spool 1.Be provided with main oil inlet hole 16 and main spill port 17 in spool 1, main oil inlet hole 16 links to each other with hydraulic oil-returning pipe 4 with the hydraulic pressure oil inlet pipe 3 of spool 1 upside respectively with main spill port 17.The footpath of spool 1 and valve body 2 upwards is provided with the oilhole 18 of position correspondence, oilhole 18 lays respectively on oil cylinder oil inlet pipe 5 and the oil cylinder return tube 6 residing planes, the oilhole 18 at the oilhole 18 at oil cylinder oil inlet pipe 5 places and oil cylinder return tube 6 places is interspersed and is all 1-64, and oilhole 18 footpath that is positioned at main oil inlet hole 16 and main spill port 17 upwards and with main oil inlet hole 16 and main spill port 17 is communicated with in addition.Valve body 2 is provided with the hollow shaft of the shaft shoulder 12 for upper and lower end, the outside, lower end of valve body 2 fixedly installs driven gear 13, driven gear 13 is concordant with the lower edge of valve body 2 by the lower edge that bolt 22 is fixed on the shaft shoulder 12 downsides and driven gear 13, the outside of driven gear 13 links to each other with driving gear 14 engagements, and driving gear 14 links to each other with gearbox 15 by the main shaft of gearbox 15.The shaft shoulder 12 of valve body 2 upper ends is fixedly linked by the head of bolt 22 with extrusion press in addition, in order to transmit synchronous torque.
The utility model is when producing, and the quantity of oilhole 18 can be according to client's actual requirement setting.The quantity of oilhole 18 as shown in Figures 2 and 3 is 30, and when the utility model used, spool 1 was as stator, and valve body 2 is as rotor, and valve body 2 is made relative rotary motion around spool 1, and whenever valve body 2 turns over several angle, fluid will once commutate.Promptly when fluid when the oil cylinder oil inlet pipe 5 in valve body 2 left sides flows into, flow out from the oil cylinder return tube 6 on valve body 2 right sides; When valve body 2 turned over 12 °, fluid then flowed into from the oil cylinder oil inlet pipe 5 on valve body 2 right sides, finished commutation from oil cylinder return tube 6 outflows in valve body 2 left sides.Of the present utility model simple in structure, a selector valve can replace a plurality of solenoid directional control valves of prior art, has the characteristics that fault is few, the life-span is long simultaneously.
The technology that the utility model does not relate to all can be realized by prior art.
Claims (10)
1. multi-position fully automatic hydraulic selector valve, comprise spool (1) and valve body (2), spool (1) is provided with hydraulic pressure oil inlet pipe (3) and hydraulic oil-returning pipe (4), the both sides of valve body (2) all are provided with oil cylinder oil inlet pipe (5) and oil cylinder return tube (6), it is characterized in that described spool (1) is a cylinder, valve body (2) is arranged on the radial outside of the spool (1) that the internal diameter of external diameter and valve body (2) matches, the lower end of spool (1) is provided with the step (7) greater than valve body (2) internal diameter, be embedded with lower bearing (8) and lower seal (9) between the lower end of valve body (2) and spool (1), the lower edge of described lower bearing (8) is concordant with the lower edge of valve body (2), lower seal (9) is positioned at the axial inboard of lower bearing (8), be embedded with upper bearing (metal) (10) and last seal ring (11) between the upper end of valve body (2) and spool (1), the upper edge of described upper bearing (metal) (10) is concordant with the upper edge of valve body (2), and last seal ring (11) is positioned at the axial inboard of upper bearing (metal) (10); Described valve body (2) is provided with the hollow shaft of the shaft shoulder (12) for upper and lower end, the outside, lower end of valve body (2) fixedly installs driven gear (13), the outside of driven gear (13) links to each other with driving gear (14) engagement, and driving gear (14) links to each other with gearbox (15) by the main shaft of gearbox (15).
2. multi-position fully automatic hydraulic selector valve according to claim 1, it is characterized in that being provided with in the described spool (1) main oil inlet hole (16) and main spill port (17), main oil inlet hole (16) links to each other with hydraulic oil-returning pipe (4) with the hydraulic pressure oil inlet pipe (3) of spool (1) upside respectively with main spill port (17).
3. multi-position fully automatic hydraulic selector valve according to claim 1 and 2, the oilhole that radially is provided with the position correspondence (18) that it is characterized in that described spool (1) and valve body (2), described oilhole (18) lay respectively on oil cylinder oil inlet pipe (5) and the residing plane of oil cylinder return tube (6).
4. multi-position fully automatic hydraulic selector valve according to claim 3 is characterized in that oilhole (18) quantity that oilhole (18) that described oil cylinder oil inlet pipe (5) is located and oil cylinder return tube (6) are located is all 1-64.
5. multi-position fully automatic hydraulic selector valve according to claim 4 is characterized in that the oilhole (18) that oilhole (18) that described oil cylinder oil inlet pipe (5) is located and oil cylinder return tube (6) are located is interspersed.
6. multi-position fully automatic hydraulic selector valve according to claim 3 is characterized in that the footpath that described oilhole (18) is positioned at main oil inlet hole (16) and main spill port (17) upwards and with main oil inlet hole (16) and main spill port (17) is communicated with.
7. multi-position fully automatic hydraulic selector valve according to claim 1, the upside that it is characterized in that described upper bearing (metal) (10) is provided with the interior pressure pad (19) of middle part embedding spool (1), the upside of pressure pad (19) is provided with check washer (20), flat nut (21) successively, described check washer (20) is positioned between pressure pad (19) and the flat nut (21), and described flat nut (21) is connected with the upper end spiral of spool (1).
8. multi-position fully automatic hydraulic selector valve according to claim 1 is characterized in that described driven gear (13) is fixed on the shaft shoulder (12) downside by bolt (22).
9. according to claim 1 or 8 described multi-position fully automatic hydraulic selector valves, it is characterized in that the lower edge of described driven gear (13) is concordant with the lower edge of valve body (2).
10. multi-position fully automatic hydraulic selector valve according to claim 1 is characterized in that the shaft shoulder (12) of described valve body (2) upper end is fixedly linked by the head of bolt (22) with extrusion press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200834950U CN201934412U (en) | 2011-03-28 | 2011-03-28 | Multi-station fully-automatic hydraulic reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200834950U CN201934412U (en) | 2011-03-28 | 2011-03-28 | Multi-station fully-automatic hydraulic reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934412U true CN201934412U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200834950U Expired - Fee Related CN201934412U (en) | 2011-03-28 | 2011-03-28 | Multi-station fully-automatic hydraulic reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086894A (en) * | 2011-03-28 | 2011-06-08 | 蒋乐庆 | Multi-station full-automatic hydraulic reversing valve |
-
2011
- 2011-03-28 CN CN2011200834950U patent/CN201934412U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086894A (en) * | 2011-03-28 | 2011-06-08 | 蒋乐庆 | Multi-station full-automatic hydraulic reversing 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: 20110817 Termination date: 20140328 |