CN204985124U - Two accuse hydraulic directional control valve - Google Patents
Two accuse hydraulic directional control valve Download PDFInfo
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- CN204985124U CN204985124U CN201520425282.XU CN201520425282U CN204985124U CN 204985124 U CN204985124 U CN 204985124U CN 201520425282 U CN201520425282 U CN 201520425282U CN 204985124 U CN204985124 U CN 204985124U
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- valve
- connecting rod
- valve body
- oil pocket
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Abstract
The utility model discloses a switching -over valve technical field discloses a two accuse hydraulic directional control valve, including the valve body, be equipped with the valve pocket in the valve body, be equipped with the case in the valve pocket, the valve pocket includes P chamber, a chamber, B chamber, T chamber, and the left end of valve body is equipped with the left end lid, and the right -hand member of valve body is equipped with the right -hand member and covers, be equipped with in the left end lid with left oil pocket, be equipped with right oil pocket in the right -hand member lid, the left end of case is equipped with the left connecting rod that stretches into in the left oil pocket, the right -hand member of case is equipped with the right connecting rod that stretches into in the right oil pocket, the outside of left end lid is equipped with the handle, is equipped with the connecting block on the left connecting rod, the outer end of connecting block is connected with inner rotation of handle, is equipped with case canceling release mechanical system on the right connecting rod, the side of valve body still is equipped with respectively adjusts passageway, right regulation passageway with the left side of left oil pocket, right oil pocket intercommunication. The utility model discloses it can remote automatic control to have, and emergency down again can manual control, uses more convenient beneficial effect.
Description
Technical field
The utility model relates to hydraulic valve technical field, particularly relates to a kind of double-control hydraulic directional control valve.
Background technique
In field of hydraulic control, hydraulicdirectional control valve is a kind of conventional valve, hydraulicdirectional control valve is divided into two-way, threeway, four-way and five-way etc. by the number of vias that selector valve holds, utilize the absolute activity of the wrong valve body of spool, make oil circuit traffic, close the disconnected or oily direction dropped down of conversion, thus change the direction of oil circuit, realize the functions such as loading, unloading, commutation.Current hydraulicdirectional control valve has automatically, also have manual, automatic control can realize telecontrol, manual can realize emergency control, but in some oil-way system, need remote auto to control under normal circumstances, in emergency circumstances need manually to control fast, and automatic hydraulic control selector valve common at present, manual control hydraulic selector valve all cannot meet remote auto, manual two ore control, the control of some special oil circuits cannot be met.
Model utility content
The utility model is in order to solve the aforementioned problems in the prior, and providing one can control by remote auto, in emergency circumstances again can the double-control hydraulic directional control valve of Non-follow control.
To achieve these goals, the utility model adopts following technological scheme:
A kind of double-control hydraulic directional control valve, comprise valve body, valve pocket is provided with in valve body, spool is provided with in valve pocket, valve pocket comprises P chamber, A chamber, B chamber, T chamber, the left end of described valve body is provided with left end cap, the right-hand member of valve body is provided with right end cap, be provided with in described left end cap and left oil pocket, right oil pocket is provided with in described right end cap, the left end of described spool is provided with the left connecting rod stretched in left oil pocket, the right-hand member of spool is provided with the right connecting rod stretched in right oil pocket, the outside of described left end cap is provided with handle, described left connecting rod is provided with contiguous block, the outer end of described contiguous block is connected with the inner ends thereof of handle, described right connecting rod is provided with valve core reset mechanism, the side of described valve body is also respectively equipped with and left oil pocket, the left adjustment passage that right oil pocket is communicated with, right adjustment passage.
Left adjustment passage, right adjustment passage are communicated with extraneous oil circuit respectively, when needs autocontrol valve core moves right, pass into high pressure oil in left adjustment passage, right adjustment passage passes into low pressure oil; In like manner, when needs autocontrol valve core is moved to the left formula, in left adjustment passage, pass into low pressure oil, right adjustment passage passes into high pressure oil; In urgency, can manually pull handle to control the flow direction of fluid, when handle is to Zola, spool moves right, and handle pulls to the right, and spool is moved to the left, and during release handle, spool resets under the effect of valve core reset mechanism, and handle mediates.
As preferably, described valve core reset mechanism comprises the inner sliding sleeve, the outer sliding sleeve that are set in right connecting rod two ends, described inner sliding sleeve, outer sliding sleeve are respectively equipped with inner position ring, outer positioning ring, spring is provided with between described inner position ring, outer positioning ring, the inner of described right connecting rod is provided with for the spacing internal position limited sleeve of inner sliding sleeve, the outer end of right connecting rod is provided with for the spacing external position limited sleeve of outer sliding sleeve, the right-hand member of described valve pocket be provided with spacing for inner position ring in confined planes, the inside of described right end cap is provided with for the spacing outer confined planes of outer positioning ring.Nature, the effect of spring is subject between inner position ring, outer positioning ring, inner position ring contacts with interior confined planes, outer positioning ring contacts with outer confined planes, the internal position limited sleeve on spool, external position limited sleeve be subject to respectively inner sliding sleeve, outer sliding sleeve spacing, spool is positioned at the intermediate portion of valve pocket; When spool moves right, internal position limited sleeve drives inner sliding sleeve, inner position hoop moves right, and spring is compressed, release handle, valve core reset; When spool is moved to the left, outside fix cover drives outer sliding sleeve, outer positioning ring is moved to the left, and spring is compressed, release handle, and spool automatically resets.
As preferably, the side of described valve body is positioned at left adjustment passage, the outer end of right adjustment passage is also provided with cover plate, cover plate be provided with respectively with left adjustment passage, the left attachment hole of right adjustment channel connection, right attachment hole, the outer end of described left attachment hole, right attachment hole is provided with pipe joint.
Therefore, the utility model has and can control by remote auto, in emergency circumstances again can Non-follow control, uses convenient beneficial effect.
Accompanying drawing explanation
Fig. 1 is spool structural representation in the raw.
Fig. 2 is the structural representation after spool moves right.
Fig. 3 is the structural representation after spool is moved to the left.
Fig. 4 is A place partial enlarged drawing in Fig. 1.
In figure: valve body 1, spool 2, left connecting rod 20, right connecting rod 21, inner sliding sleeve 22, outer sliding sleeve 23, inner position ring 24, outer positioning ring 25, spring 26, internal position limited sleeve 27, external position limited sleeve 28, interior confined planes 29, outer confined planes 30, P chamber 3, A chamber 4, B chamber 5, T chamber 6, left end cap 7, left oil pocket 70, right end cap 8, right oil pocket 80, handle 9, contiguous block 10, left adjustment passage 11, right adjustment passage 12, cover plate 13, left attachment hole 14, right attachment hole 15, pipe joint 16.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
A kind of double-control hydraulic directional control valve as shown in Figure 1, comprise valve body 1, valve pocket is provided with in valve body, the through valve body in valve pocket left and right, spool 2 is provided with in valve pocket, valve pocket comprises P chamber 3, A chamber 4, B chamber 5, T chamber 6, the left end of valve body 1 is provided with left end cap 7, the right-hand member of valve body is provided with right end cap 8, be provided with in left end cap and left oil pocket 70, right oil pocket 80 is provided with in right end cap 8, the left end of spool 2 is provided with the left connecting rod 20 stretched in left oil pocket, the right-hand member of spool is provided with the right connecting rod 21 stretched in right oil pocket, the outside of left end cap is provided with handle 9, left connecting rod 20 is provided with contiguous block 10, the outer end of contiguous block 10 is connected with the inner ends thereof of handle, right connecting rod 21 is provided with valve core reset mechanism, the side of valve body 1 is also respectively equipped with and left oil pocket, the left adjustment passage 11 that right oil pocket is communicated with, right adjustment passage 12, the side of valve body is positioned at left adjustment passage, the outer end of right adjustment passage is also provided with cover plate 13, cover plate be provided with respectively with left adjustment passage, the left attachment hole 14 of right adjustment channel connection, right attachment hole 15, left attachment hole, the outer end of right attachment hole is provided with pipe joint 16.
As shown in Figure 4, valve core reset mechanism comprises the inner sliding sleeve 22, the outer sliding sleeve 23 that are set in right connecting rod 21 two ends, inner sliding sleeve, outer sliding sleeve are respectively equipped with inner position ring 24, outer positioning ring 25, spring 26 is provided with between inner position ring, outer positioning ring, the inner of right connecting rod is provided with for the spacing internal position limited sleeve 27 of inner sliding sleeve, the outer end of right connecting rod is provided with for the spacing external position limited sleeve 28 of outer sliding sleeve, the right-hand member of valve pocket be provided with spacing for inner position ring in confined planes 29, the inside of right end cap is provided with for the spacing outer confined planes 30 of outer positioning ring.
As shown in Figure 1, spool in the raw, spool is positioned at the intermediate portion of valve pocket, the effect of spring is subject between inner position ring, outer positioning ring, inner position ring contacts with interior confined planes, outer positioning ring contacts with outer confined planes, internal position limited sleeve on spool, external position limited sleeve be subject to respectively inner sliding sleeve, outer sliding sleeve spacing, therefore spool is positioned in the neutral position of valve pocket, and P chamber and A chamber, A chamber all disconnect; As shown in Figure 2, when being moved right by handle control (being controlled by left adjustment passage, right adjustment passages regulate) spool, internal position limited sleeve drives inner sliding sleeve, inner position hoop moves right, spring is compressed, now P chamber is communicated with B chamber, A chamber is communicated with P chamber, and after release handle (after removing left adjustment passage, the control of right adjustment passages regulate), spool resets to neutral position under the action of the spring; As shown in Figure 3, when being moved to the left by handle control (being controlled by left adjustment passage, right adjustment passages regulate) spool, outside fix cover drives outer sliding sleeve, outer positioning ring is moved to the left, and spring is compressed, release handle, spool automatically resets to neutral position.Therefore, the utility model has and can control by remote auto, in emergency circumstances again can Non-follow control, uses convenient beneficial effect.
Claims (3)
1. a double-control hydraulic directional control valve, comprise valve body, valve pocket is provided with in valve body, spool is provided with in valve pocket, valve pocket comprises P chamber, A chamber, B chamber, T chamber, it is characterized in that, the left end of described valve body is provided with left end cap, the right-hand member of valve body is provided with right end cap, left oil pocket is provided with in described left end cap, right oil pocket is provided with in described right end cap, the left end of described spool is provided with the left connecting rod stretched in left oil pocket, the right-hand member of spool is provided with the right connecting rod stretched in right oil pocket, the outside of described left end cap is provided with handle, described left connecting rod is provided with contiguous block, the outer end of described contiguous block is connected with the inner ends thereof of handle, described right connecting rod is provided with valve core reset mechanism, the side of described valve body is also respectively equipped with and left oil pocket, the left adjustment passage that right oil pocket is communicated with, right adjustment passage.
2. a kind of double-control hydraulic directional control valve according to claim 1, it is characterized in that, described valve core reset mechanism comprises the inner sliding sleeve being set in right connecting rod two ends, outer sliding sleeve, described inner sliding sleeve, outer sliding sleeve is respectively equipped with inner position ring, outer positioning ring, described inner position ring, spring is provided with between outer positioning ring, the inner of described right connecting rod is provided with for the spacing internal position limited sleeve of inner sliding sleeve, the outer end of right connecting rod is provided with for the spacing external position limited sleeve of outer sliding sleeve, the right-hand member of described valve pocket be provided with spacing for inner position ring in confined planes, the inside of described right end cap is provided with for the spacing outer confined planes of outer positioning ring.
3. a kind of double-control hydraulic directional control valve according to claim 1 and 2, it is characterized in that, the side of described valve body is positioned at left adjustment passage, the outer end of right adjustment passage is also provided with cover plate, cover plate be provided with respectively with left adjustment passage, the left attachment hole of right adjustment channel connection, right attachment hole, the outer end of described left attachment hole, right attachment hole is provided with pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425282.XU CN204985124U (en) | 2015-06-18 | 2015-06-18 | Two accuse hydraulic directional control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425282.XU CN204985124U (en) | 2015-06-18 | 2015-06-18 | Two accuse hydraulic directional control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985124U true CN204985124U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520425282.XU Active CN204985124U (en) | 2015-06-18 | 2015-06-18 | Two accuse hydraulic directional control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369185A (en) * | 2016-08-27 | 2017-02-01 | 中国煤炭科工集团太原研究院有限公司 | Multifunctional hand-operated direction valve with capabilities of self resetting and positioning |
| CN108691836A (en) * | 2018-06-14 | 2018-10-23 | 东莞海特帕沃液压科技有限公司 | A kind of hydraulic control-hand-operated double controlled proportioning valve |
-
2015
- 2015-06-18 CN CN201520425282.XU patent/CN204985124U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369185A (en) * | 2016-08-27 | 2017-02-01 | 中国煤炭科工集团太原研究院有限公司 | Multifunctional hand-operated direction valve with capabilities of self resetting and positioning |
| CN108691836A (en) * | 2018-06-14 | 2018-10-23 | 东莞海特帕沃液压科技有限公司 | A kind of hydraulic control-hand-operated double controlled proportioning valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |