CN105715600A - Hydraulic reversing device convenient to operate and control - Google Patents
Hydraulic reversing device convenient to operate and control Download PDFInfo
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- CN105715600A CN105715600A CN201410731358.1A CN201410731358A CN105715600A CN 105715600 A CN105715600 A CN 105715600A CN 201410731358 A CN201410731358 A CN 201410731358A CN 105715600 A CN105715600 A CN 105715600A
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- hole
- spool
- valve body
- pin
- oil
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Abstract
The invention discloses a hydraulic reversing device convenient to operate and control. The hydraulic reversing device convenient to operate and control comprises a hydraulic reversing valve and a control valve. The hydraulic reversing valve comprises a reversing valve body. A piston cavity is formed in the reversing valve body. A piston is arranged in the piston cavity. The control valve comprises a valve body. A valve element cavity is formed in the valve body. An inner valve element and an outer valve element are arranged in the valve element cavity. The inner valve element is sleeved with the outer valve element. The inner wall of the valve element cavity is provided with an oil inlet, a return oil hole and two oil outlets. The outer valve element is provided with an oil inlet through hole corresponding to the oil inlet, a return oil through hole corresponding to the return oil hole and oil outlet through holes corresponding to the oil outlets. The peripheral wall of the inner valve element is provided with two grooves which are in one-to-one correspondence with the two oil outlets. The bottom faces of the two grooves are parallel. The minimum distance between the two grooves is less than the inner diameters of the oil inlet through hole and the return oil through hole. A rotation limiting mechanism used for limiting the rotating range of the inner valve element, a resetting mechanism used for resetting the inner valve element and a feedback mechanism used for driving the outer valve element to rotate are further arranged between the valve body and the inner valve element.
Description
Technical field
The invention belongs to valve technology field, be specifically related to a kind of hydraulic commutator being easy to manipulation.
Background technology
Valve is the control parts in fluid delivery system, has cut-off, adjustment, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.In existing axial plunger type hydraulic pump, regulating flow typically via the angle of inclination changing swash plate, the angle of inclination of swash plate is generally adopted manual servo valve and regulates, although disclosure satisfy that instructions for use to a certain extent, but there is manual operation complexity, the defect that control accuracy is not high.
Summary of the invention
In view of this, it is an object of the invention to provide the hydraulic commutator of a kind of convenient manipulation, there is easy to operate and that reliability is high advantage.
For reaching above-mentioned purpose, the present invention provides following technical scheme:
The hydraulic commutator of a kind of convenient manipulation, including hydraulicdirectional control valve and driven valve；
Described hydraulicdirectional control valve includes commutation valve body, is provided with plunger shaft, is provided with piston in described plunger shaft in described reversal valve body；
Described driven valve includes the valve body being fixedly mounted on described commutation valve body, is provided with spool chamber in described valve body, is provided with inner spool and outer spool in described spool chamber, and described outer valve core housing is contained on described inner spool；Described spool chamber inwall is provided with a fuel feed hole, a spill port and two oil outlets being connected respectively with the two ends of described plunger shaft, the dead in line of the axis of described fuel feed hole and described spill port, two described oil outlets axially coincident and vertical with the axis of described fuel feed hole；Described outer spool is correspondingly provided with oil-feed through hole respectively with described fuel feed hole and described spill port is correspondingly provided with oil return through-hole and is correspondingly provided with out oil hole with described oil outlet, the periphery wall of described inner spool is provided with two grooves with two described oil outlet one_to_one corresponding, the bottom surface of two described grooves is parallel to each other, and the beeline between two described grooves is less than the internal diameter of described oil-feed through hole and oil return through-hole；The resetting-mechanism that be additionally provided with the rotating and limiting mechanism for limiting described inner spool slewing area between described valve body and described inner spool, resets for described inner spool and for driving the feedback mechanism of described outer valve core rotation.
Further, described resetting-mechanism includes the installing hole being arranged in described valve body and axis is vertical with described spool chamber axis, described installing hole communicates with described spool chamber, it is provided with plug screw in described installing hole and the bayonet lock in described spool chamber is stretched in one end, between described plug screw and described bayonet lock, be provided with spring；Described outer spool is provided with the slot to make way I for described bayonet lock of stepping down, and described inner spool is provided with the draw-in groove coordinated with described bayonet lock, and described bayonet lock is fixed in described draw-in groove by described spring compression.
Further, described commutation valve body is provided with pendulum pin through hole, and described piston is correspondingly provided with pendulum pin groove with described through hole；Described feedback mechanism includes the pin-and-hole being arranged in described valve body and axis is parallel with described spool chamber axis, it is provided with alignment pin in described pin-and-hole, on described alignment pin, set is equiped with pendulum pin, coordinate with described pendulum pin in described valve body and be provided with pendulum cotter way, described outer spool is provided with the pendulum pin-and-hole coordinated with described pendulum pin, and one end of described pendulum pin coordinates with described pendulum pin-and-hole.
Further, described alignment pin is provided with eccentric segment, and described pendulum guide is contained on described eccentric segment, and described alignment pin is threaded connection structure and is arranged in described pin-and-hole.
Further, described alignment pin is provided with locking nut.
Further, described rotating and limiting mechanism includes being sleeved on described inner spool and be fixedly mounted on the gland on described valve body, described inner spool be provided with collar and between described collar and described gland and with the pressing plate of described inner spool synchronous axial system, described gland is provided with stopper slot towards the side of described pressing plate, and described pressing plate is positioned at described stopper slot.
Further, the bottom land of described groove is provided with the groove extended along its length.
The beneficial effects of the present invention is:
The hydraulic commutator of the convenient manipulation of the present invention, by installing driven valve on commutation valve body, during use, rotate inner spool, one of them groove being arranged on inner spool can be made to connect with fuel feed hole and one of them oil outlet respectively, and another groove connects with another oil outlet respectively at spill port, so, just the switching that can realize different oil circuit selects, simple to operation.
By arranging feedback mechanism, when piston slides in plunger shaft, can rotate by band movable pendulum pin, pendulum pin drives outer valve core rotation, now, even if inner spool resets, can also ensure that the mode of communicating on crude oil road can continual communication, namely when operation, it is only necessary to rotate inner spool and can ensure the continual communication of oil circuit, simple to operate.
Accompanying drawing explanation
In order to make the purpose of the present invention, technical scheme and beneficial effect clearly, the present invention provides drawings described below to illustrate:
Fig. 1 is the structural representation of the driven valve in the hydraulic commutator of the convenient manipulation of the present invention；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the B-B sectional view of Fig. 1；
Fig. 4 is the axonometric chart of the present embodiment driven valve；
Fig. 5 is the structural representation of inner spool；
Fig. 6 is the structural representation of outer spool；
Fig. 7 is the structural representation of alignment pin.
Fig. 8 is the structural representation of the hydraulicdirectional control valve in the hydraulic commutator of the convenient manipulation of the present embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, so that those skilled in the art can be better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figures 1 to 8, for the structural representation of the driven valve in the hydraulic commutator of the convenient manipulation of the present invention and hydraulicdirectional control valve.The hydraulic commutator of the convenient manipulation of the present embodiment, including hydraulicdirectional control valve and driven valve.
The hydraulicdirectional control valve of the present embodiment includes commutation valve body 101, commutation valve body 101 be respectively arranged at two ends with commutation valve gap 102, airtight plunger shaft is formed between commutation valve body 101 and commutation valve gap 102, it is provided with commutation slide bar 103 between two commutation valve gaps 102, commutation slide bar 103 is equiped with piston 104 with its sliding fiting sleeve, the two ends end face of piston 104 is respectively equipped with cavity 105, in cavity 105, is provided with commutation reset unit.The commutation reset unit of the present embodiment includes being slidably matched the interior slide 106 being sleeved on commutation slide bar 103 and coordinates with cavity 105 base contact and the outer slide 107 being sleeved on the slide bar 103 that commutates and being slidably matched with cavity 105, the back-moving spring 108 being sleeved on commutation slide bar 103 it is provided with between interior slide 106 and outer slide 107, commutation slide bar 103 is provided with outer groove 109, is provided with the outer shroud collar 110 for spacing outer slide 107 in outer groove 109.
The driven valve of the present embodiment, including valve body 1, is provided with spool chamber in valve body 1, be provided with inner spool 2 and outer spool 3 in spool chamber, and outer spool 3 is sleeved on inner spool 2.Spool chamber inwall is provided with a fuel feed hole 4a, a spill port 4b and two oil outlet 4c, two oil outlets are connected with the two ends of plunger shaft respectively, the dead in line of the axis of fuel feed hole 4a and spill port 4b, two oil outlet 4c's is axially coincident and vertical with the axis of fuel feed hole 4a.Outer spool 3 is correspondingly provided with oil-feed through hole 5a and spill port 4b respectively with fuel feed hole 4a be correspondingly provided with oil return through-hole 5b and be correspondingly provided with out oil hole 5c with oil outlet 4c, the periphery wall of inner spool 2 is provided with two grooves 6 with two oil outlet 4c one_to_one corresponding, the bottom surface of two grooves 6 is parallel to each other, and the internal diameter that the beeline between two grooves 6 is less than oil-feed through hole 5a and oil return through-hole 5b.The rotating and limiting mechanism for limiting inner spool 2 slewing area it is additionally provided with, for the resetting-mechanism of inner spool 2 reset and the feedback mechanism for driving outer spool 3 to rotate between valve body 1 and inner spool 2.The bottom land of the groove 6 of the present embodiment is provided with the groove extended along its length.
It is provided with inner groove 111 in the cavity 105 of the present embodiment, is provided with in inner groove 111 for preventing outer slide 107 from skidding off the internal ring collar 112 outside cavity 105.The two ends of piston 104 respectively and are provided with wear ring 113 and axle Glais ring 114 between commutation valve body 101, it is possible to play sealing function.
The middle part of the commutation valve body 101 of the present embodiment is provided with pendulum pin through hole, and piston 104 is correspondingly provided with pendulum pin groove 116 with pendulum pin through hole, and the middle part of the piston 104 of the present embodiment is provided with bearing pin 117, and commutation valve body 101 is correspondingly provided with resigning hole 118 with bearing pin 117.The pendulum pin through hole of the present embodiment and the center of resigning hole 118 are respectively positioned on the plane of symmetry of commutation valve body 101, and the plane of symmetry of pendulum pin groove 116 overlaps with the plane of symmetry of piston 104, and the axis of bearing pin 117 is positioned on the plane of symmetry of piston 104.
The feedback mechanism of the present embodiment includes the pin-and-hole 16 being arranged in valve body 1 and axis is parallel with spool chamber axis, alignment pin 17 it is provided with in pin-and-hole 16, on alignment pin 17, set is equiped with pendulum pin 18, coordinate with pendulum pin 18 in valve body 1 and be provided with pendulum cotter way 19, outer spool 3 is provided with and puts the pendulum pin-and-hole 20 that pin 18 coordinates, one end of pendulum pin 18 coordinates with pendulum pin-and-hole 20, and the other end of pendulum pin 18 is through pendulum pin through hole and stretches in pendulum pin groove 116.The inner spool 2 of the present embodiment is provided with for preventing and putting the slot to make way II 21 that pin 18 is interfered.By arranging feedback mechanism, when driven valve controls hydraulicdirectional control valve action, the piston of hydraulicdirectional control valve can rotate by band movable pendulum pin 18, drives outer spool 3 to rotate, and now, even if inner spool 2 resets, the oil circuit that also can realize crude oil connects effect, it is possible to reduce operation.
Further, the alignment pin 17 of the present embodiment is provided with eccentric segment 22, pendulum guide 18 is contained on eccentric segment 22, and alignment pin 17 is threaded connection structure and is arranged in pin-and-hole 16, alignment pin 17 is provided with locking nut 23, by arranging eccentric segment 22, it is possible to adjust the position location of pendulum pin 18, namely it can be avoided that interfere between pendulum pin 18 and inner spool 2.
The rotating and limiting mechanism of the present embodiment includes the gland 7 being sleeved on inner spool 2 and being fixedly mounted on valve body, inner spool be provided with collar 8 and between collar 8 and gland 7 and with the pressing plate 9 of inner spool 2 synchronous axial system, gland 7 is provided with stopper slot towards the side of pressing plate, pressing plate 9 is positioned at stopper slot, pressing plate 9 is in strip, when pressing plate 9 is along with inner spool 2 synchronous axial system, its rotational angle is carried out spacing by the sidewall of stopper slot, it is prevented that it is excessive that inner spool 2 rotates.
The resetting-mechanism of the present embodiment includes the installing hole 10 being arranged in valve body 1 and axis is vertical with spool chamber axis, installing hole 10 communicates with spool chamber, it is provided with plug screw 11 in installing hole 10 and bayonet lock 12 that one end is stretched in spool chamber, between plug screw 11 and bayonet lock 12, is provided with spring 13.Outer spool 3 is provided with the slot to make way I 14 for bayonet lock 12 of stepping down, and inner spool 2 is provided with the draw-in groove 15 coordinated with bayonet lock 12, and bayonet lock 12 is pressed abd fixed in draw-in groove 15 by spring 13, utilizes the elastic force effect of spring, it is possible to make inner spool 2 return to initial position.
Embodiment described above is only the preferred embodiment lifted for absolutely proving the present invention, and protection scope of the present invention is not limited to this.Equivalent replacement that those skilled in the art make on basis of the present invention or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (7)
1. the hydraulic commutator of a convenient manipulation, it is characterised in that: include hydraulicdirectional control valve and driven valve；
Described hydraulicdirectional control valve includes commutation valve body, is provided with plunger shaft, is provided with piston in described plunger shaft in described reversal valve body；
Described driven valve includes the valve body being fixedly mounted on described commutation valve body, is provided with spool chamber in described valve body, is provided with inner spool and outer spool in described spool chamber, and described outer valve core housing is contained on described inner spool；Described spool chamber inwall is provided with a fuel feed hole, a spill port and two oil outlets being connected respectively with the two ends of described plunger shaft, the dead in line of the axis of described fuel feed hole and described spill port, two described oil outlets axially coincident and vertical with the axis of described fuel feed hole；Described outer spool is correspondingly provided with oil-feed through hole respectively with described fuel feed hole and described spill port is correspondingly provided with oil return through-hole and is correspondingly provided with out oil hole with described oil outlet, the periphery wall of described inner spool is provided with two grooves with two described oil outlet one_to_one corresponding, the bottom surface of two described grooves is parallel to each other, and the beeline between two described grooves is less than the internal diameter of described oil-feed through hole and oil return through-hole；The resetting-mechanism that be additionally provided with the rotating and limiting mechanism for limiting described inner spool slewing area between described valve body and described inner spool, resets for described inner spool and for driving the feedback mechanism of described outer valve core rotation.
2. the hydraulic commutator of convenient manipulation according to claim 1, it is characterized in that: described resetting-mechanism includes the installing hole being arranged in described valve body and axis is vertical with described spool chamber axis, described installing hole communicates with described spool chamber, it is provided with plug screw in described installing hole and the bayonet lock in described spool chamber is stretched in one end, between described plug screw and described bayonet lock, be provided with spring；Described outer spool is provided with the slot to make way I for described bayonet lock of stepping down, and described inner spool is provided with the draw-in groove coordinated with described bayonet lock, and described bayonet lock is fixed in described draw-in groove by described spring compression.
3. the hydraulic commutator of convenient manipulation according to claim 1, it is characterised in that: described commutation valve body is provided with pendulum pin through hole, and described piston is correspondingly provided with pendulum pin groove with described through hole；Described feedback mechanism includes the pin-and-hole being arranged in described valve body and axis is parallel with described spool chamber axis, it is provided with alignment pin in described pin-and-hole, on described alignment pin, set is equiped with pendulum pin, coordinate with described pendulum pin in described valve body and be provided with pendulum cotter way, described outer spool is provided with the pendulum pin-and-hole coordinated with described pendulum pin, and one end of described pendulum pin coordinates with described pendulum pin-and-hole.
4. the hydraulic commutator of convenient manipulation according to claim 3, it is characterised in that: described alignment pin is provided with eccentric segment, and described pendulum guide is contained on described eccentric segment, and described alignment pin is threaded connection structure and is arranged in described pin-and-hole.
5. the hydraulic commutator of convenient manipulation according to claim 4, it is characterised in that: described alignment pin is provided with locking nut.
6. the hydraulic commutator of convenient manipulation according to claim 1, it is characterized in that: described rotating and limiting mechanism includes being sleeved on described inner spool and be fixedly mounted on the gland on described valve body, described inner spool be provided with collar and between described collar and described gland and with the pressing plate of described inner spool synchronous axial system, described gland is provided with stopper slot towards the side of described pressing plate, and described pressing plate is positioned at described stopper slot.
7. the hydraulic commutator of convenient manipulation according to claim 1, it is characterised in that: the bottom land of described groove is provided with the groove extended along its length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410731358.1A CN105715600A (en) | 2014-12-05 | 2014-12-05 | Hydraulic reversing device convenient to operate and control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410731358.1A CN105715600A (en) | 2014-12-05 | 2014-12-05 | Hydraulic reversing device convenient to operate and control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105715600A true CN105715600A (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410731358.1A Pending CN105715600A (en) | 2014-12-05 | 2014-12-05 | Hydraulic reversing device convenient to operate and control |
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| Country | Link |
|---|---|
| CN (1) | CN105715600A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094266A (en) * | 2019-05-29 | 2019-08-06 | 河南航天液压气动技术有限公司 | A kind of torque and corner output mechanism and its output method |
-
2014
- 2014-12-05 CN CN201410731358.1A patent/CN105715600A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094266A (en) * | 2019-05-29 | 2019-08-06 | 河南航天液压气动技术有限公司 | A kind of torque and corner output mechanism and its output method |
| CN110094266B (en) * | 2019-05-29 | 2020-06-26 | 河南航天液压气动技术有限公司 | Torque and corner output mechanism and output method thereof |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160629 |
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| WD01 | Invention patent application deemed withdrawn after publication |