CN204591843U - A kind of small-sized neotectonics oil control multichannel valve body - Google Patents
A kind of small-sized neotectonics oil control multichannel valve body Download PDFInfo
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- CN204591843U CN204591843U CN201520127840.4U CN201520127840U CN204591843U CN 204591843 U CN204591843 U CN 204591843U CN 201520127840 U CN201520127840 U CN 201520127840U CN 204591843 U CN204591843 U CN 204591843U
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- fluid port
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Abstract
The utility model proposes a kind of small-sized neotectonics oil control multichannel valve body, comprise the valve body adopting integrally casting shaping, bottom Primary layer oil pocket and the two-layer oil pocket of upper strata, top oil pocket is provided with in described valve body, described bottom Primary layer oil pocket is provided with the total in-line of valve, Ith road main valve hole, IIth road main valve hole and the total oil circuit of valve, main safety valve oil circuit is provided with in the Primary layer oil pocket of described bottom, the total in-line of described valve is communicated with main safety valve oil-feed oil duct, the total oil circuit of described valve is communicated with main safety valve oil return oil duct, upper strata, described top oil pocket is provided with the Ith road in line check valve mouth and the IIth road in line check valve mouth.The utility model adopts monolithic construction, function is complete, volume is little, lightweight, technique simple, low cost of manufacture, overcome the shortcoming that existing chip structure valve body high temperature is yielding, easy to leak is oily, through-current capability is little, cost is high, be very applicable to small sized loader equipment pressurized oil system.
Description
Technical field
The utility model relates to hydraulic unit technical field, refers to a kind of small-sized neotectonics oil control multichannel valve body especially.
Background technique
At present, China's small sized loader produces manufacture in enormous quantities, Domestic market manufactures total sales volume per year over more than 30 ten thousand, the small sized loader manufacturing technology of China is very ripe, technology and the functional requirement of the control multiple directional control valve used in its equipment pressurized oil system are almost completely the same, mainly should meet the following aspects:
1, two-way or three road multi-way valve, must possess main safety valve, and the road (normally near the first via of filler opening) controlling rotating bucket device should be able to installation hydraulic fluid port overload protection valve;
2, need there be independently in line check valve on every road, and each oil circuit can independent manipulation work, also can handle composite move simultaneously;
3, volume is little, structure is simple, low cost, stable and reliable for performance, normally can work during high temperature, not allow oil to leak outside.
The valve body that the control multiple directional control valve used in present small sized loader equipment pressurized oil system all adopts split blade type to construct substantially, the valve body interchangeability of chip structure is good, according to requirements can by tandem for the valve block independent assortment of difference in functionality, but all need between sheet in tandem and sheet to seal, and the very difficult valve block distortion solved because Bolt Tightening Force in tandem produces; And the valve body of split blade type structure requires that machining accuracy is high, manufacturing procedure is many, complex process, amount of finish are large, cost is high, there is the shortcomings such as poor sealing performance, through-current capability is little, high temperature is yielding simultaneously.
Model utility content
The utility model proposes a kind of small-sized neotectonics oil control multichannel valve body, solve the above-mentioned problems in the prior art.
The technical solution of the utility model is achieved in that
A kind of small-sized neotectonics oil control multichannel valve body, comprises the valve body adopting integrally casting shaping, is provided with bottom Primary layer oil pocket and the two-layer oil pocket of upper strata, top oil pocket in described valve body;
Described bottom Primary layer oil pocket is provided with the total in-line of valve, the Ith road main valve hole, the IIth road main valve hole and the total oil circuit of valve, be respectively equipped with several valve pockets in the total in-line of described valve, the total oil circuit of valve, the Ith road main valve hole and the IIth road main valve hole, the middle oil pocket that the total in-line of described valve, the total oil circuit of valve, the Ith road main valve hole and the IIth road main valve hole are adjacent is communicated with oil pocket by one and is interconnected;
Be provided with main safety valve oil circuit in the Primary layer oil pocket of described bottom, the total in-line of described valve is communicated with main safety valve oil-feed oil duct, and the total oil circuit of described valve is communicated with main safety valve oil return oil duct;
Upper strata, described top oil pocket is provided with the Ith road in line check valve mouth and the IIth road in line check valve mouth, and the total in-line of described valve is communicated with respectively with the Ith road in line check valve mouth and the IIth road in line check valve mouth.
As further improvement of the utility model, in described Ith road main valve hole and the IIth road main valve hole, be equipped with eight valve pockets.
As further improvement of the utility model, be provided with in the oil pocket of upper strata, described top communicate with each other the Ith road in line check valve mouth, the first hydraulic fluid port, first hydraulic fluid port work time the first oil suction chamber, the second hydraulic fluid port and the second hydraulic fluid port work time the second oil suction chamber.
As further improvement of the utility model, be provided with in the oil pocket of upper strata, described top communicate with each other the IIth road in line check valve mouth, the 3rd hydraulic fluid port, the 3rd hydraulic fluid port work time the 3rd oil suction chamber, the 4th hydraulic fluid port and the 4th hydraulic fluid port work time the 4th oil suction chamber.
As further improvement of the utility model, be provided with the first overload valve mount inlet in the oil pocket of upper strata, described top, described first overload valve oil-feed oil duct is communicated with the first hydraulic fluid port oil duct, and described first overload valve oil return oil duct is communicated with the total oil circuit of valve.
As further improvement of the utility model, be provided with the second overload valve mount inlet in the Primary layer oil pocket of described bottom, described second overload valve oil-feed oil duct is communicated with the second hydraulic fluid port oil duct, and described second overload valve oil return oil duct is communicated with the total oil circuit of valve.
The beneficial effects of the utility model are:
The utility model adopts monolithic construction, function is complete, volume is little, lightweight, technique simple, low cost of manufacture, overcome the shortcoming that existing chip structure valve body high temperature is yielding, easy to leak is oily, through-current capability is little, cost is high, be very applicable to small sized loader equipment pressurized oil system.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is plan view of the present utility model;
Fig. 2 is the partial sectional view of the utility model along E-E face in Fig. 1;
Fig. 3 is the sectional view of the utility model along L-L face in Fig. 2;
Fig. 4 is the partial sectional view of the utility model along F-F face in Fig. 1;
Fig. 5 is the sectional view of the utility model along M-M in Fig. 1 (N-N) face;
Fig. 6 is the sectional view of the utility model along K-K face in Fig. 1;
Mark in figure: 1-valve body; The total in-line of 2-valve; The total oil circuit of 3-valve; 4-the Ith road main valve hole; 41-the Ith road in line check valve mouth; 42-first hydraulic fluid port; 43-first oil suction chamber; 44-second hydraulic fluid port; 45-second oil suction chamber; 5-the IIth road main valve hole; 51-the IIth road in line check valve mouth; 52-the 3rd hydraulic fluid port; 53-the 3rd oil suction chamber; 54-the 4th hydraulic fluid port; 55-the 4th oil suction chamber; 6-is communicated with oil pocket; 7-main safety valve oil circuit; 8-first overload valve mount inlet; 81-first overload valve oil-feed oil duct; 82-first overload valve oil return oil duct; 9-second overload valve mount inlet; 91-second overload valve oil-feed oil duct; 92-second overload valve oil return oil duct.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.
As shown in Figures 1 to 6, a kind of small-sized neotectonics oil control multichannel valve body, comprises the valve body 1 adopting integrally casting shaping, is provided with bottom Primary layer oil pocket and the two-layer oil pocket of upper strata, top oil pocket in valve body 1.
Bottom Primary layer oil pocket is provided with the total in-line of valve the 2, the Ith road main valve hole 4, the IIth road main valve hole 5 and the total oil circuit 3 of valve, several valve pockets are respectively equipped with in the total oil circuit 3 of the total in-line of valve 2, valve, the Ith road main valve hole 4 and the IIth road main valve hole 5, wherein, eight valve pockets are equipped with in the Ith road main valve hole 2 and the IIth road main valve hole 3.
The middle oil pocket that the total in-line of valve 2, the total oil circuit of valve the 3, the Ith road main valve hole 4 and the IIth road main valve hole 5 are adjacent is communicated with oil pocket 6 by one and is interconnected.
Be provided with main safety valve oil circuit 7 in the Primary layer oil pocket of bottom, the total in-line 2 of valve is communicated with main safety valve oil-feed oil duct 71, and the total oil circuit 3 of valve is communicated with main safety valve oil return oil duct 72.
The second oil suction chamber 45 when the first oil suction chamber 43, second hydraulic fluid port 44 when the Ith road in line check valve mouth 41, first hydraulic fluid port 42, first hydraulic fluid port 42 communicated with each other works and the second hydraulic fluid port 44 work is provided with in the oil pocket of upper strata, top.
The 4th oil suction chamber 55 when the 3rd oil suction chamber 53, the 4th hydraulic fluid port 54 and the 4th hydraulic fluid port 54 be also provided with in the oil pocket of upper strata, top when the IIth road in line check valve mouth the 51, the 3rd hydraulic fluid port 52, the 3rd hydraulic fluid port 52 that communicate with each other work works.
The total in-line 2 of valve is communicated with respectively with the Ith road in line check valve mouth 41 and the IIth road in line check valve mouth 51.
Be provided with the first overload valve mount inlet 8, first overload valve oil-feed oil duct 81 in the oil pocket of upper strata, top to be communicated with the oil duct of the first hydraulic fluid port 42, the first overload valve oil return oil duct 82 is communicated with the total oil circuit 3 of valve.
Be provided with the second overload valve mount inlet 9, second overload valve oil-feed oil duct 91 in the Primary layer oil pocket of bottom to be communicated with the oil duct of the second hydraulic fluid port 44, the second overload valve oil return oil duct 92 is communicated with the total oil circuit 3 of valve.
The utility model adopts technique scheme; valve body adopts one-step casting shaping; by the two-layer oil pocket design of valve body; solve the layout of two one-way valves and hydraulic fluid port overload valve oil duct well; decrease volume; rationally novel in design; by valve body two-layer oil pocket design, main valve hole is interconnected; achieve each oil circuit of valve body in parallel; a road job can be controlled separately; also can control two-way simultaneously realize composite move, on two, the Ith tunnel, actuator port place is provided with overload protection valve, meets the usage requirement of small sized loader operation mechanism completely.Compared with sheet-type multi-way valve body, the multichannel valve body of this monolithic construction, compact structure, lightweight, through-current capability is large, and high-temperature stability is good, and without outer seepage, processing technology is simple, and overall cost can reduce by more than 30% ~ 50%.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a small-sized neotectonics oil control multichannel valve body, is characterized in that, comprise the valve body adopting integrally casting shaping, be provided with bottom Primary layer oil pocket and the two-layer oil pocket of upper strata, top oil pocket in described valve body;
Described bottom Primary layer oil pocket is provided with the total in-line of valve, the Ith road main valve hole, the IIth road main valve hole and the total oil circuit of valve, be respectively equipped with several valve pockets in the total in-line of described valve, the total oil circuit of valve, the Ith road main valve hole and the IIth road main valve hole, the middle oil pocket that the total in-line of described valve, the total oil circuit of valve, the Ith road main valve hole and the IIth road main valve hole are adjacent is communicated with oil pocket by one and is interconnected;
Be provided with main safety valve oil circuit in the Primary layer oil pocket of described bottom, the total in-line of described valve is communicated with main safety valve oil-feed oil duct, and the total oil circuit of described valve is communicated with main safety valve oil return oil duct;
Upper strata, described top oil pocket is provided with the Ith road in line check valve mouth and the IIth road in line check valve mouth, and the total in-line of described valve is communicated with respectively with the Ith road in line check valve mouth and the IIth road in line check valve mouth.
2. small-sized neotectonics oil control multichannel valve body according to claim 1, is characterized in that, be equipped with eight valve pockets in described Ith road main valve hole and the IIth road main valve hole.
3. small-sized neotectonics oil control multichannel valve body according to claim 2, it is characterized in that, be provided with in the oil pocket of upper strata, described top communicate with each other the Ith road in line check valve mouth, the first hydraulic fluid port, first hydraulic fluid port work time the first oil suction chamber, the second hydraulic fluid port and the second hydraulic fluid port work time the second oil suction chamber.
4. small-sized neotectonics oil control multichannel valve body according to claim 3, it is characterized in that, be provided with in the oil pocket of upper strata, described top communicate with each other the IIth road in line check valve mouth, the 3rd hydraulic fluid port, the 3rd hydraulic fluid port work time the 3rd oil suction chamber, the 4th hydraulic fluid port and the 4th hydraulic fluid port work time the 4th oil suction chamber.
5. small-sized neotectonics oil control multichannel valve body according to claim 4, it is characterized in that, be provided with the first overload valve mount inlet in the oil pocket of upper strata, described top, described first overload valve oil-feed oil duct is communicated with the first hydraulic fluid port oil duct, and described first overload valve oil return oil duct is communicated with the total oil circuit of valve.
6. small-sized neotectonics oil control multichannel valve body according to claim 5, it is characterized in that, be provided with the second overload valve mount inlet in the Primary layer oil pocket of described bottom, described second overload valve oil-feed oil duct is communicated with the second hydraulic fluid port oil duct, and described second overload valve oil return oil duct is communicated with the total oil circuit of valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127840.4U CN204591843U (en) | 2015-03-05 | 2015-03-05 | A kind of small-sized neotectonics oil control multichannel valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127840.4U CN204591843U (en) | 2015-03-05 | 2015-03-05 | A kind of small-sized neotectonics oil control multichannel valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591843U true CN204591843U (en) | 2015-08-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520127840.4U Expired - Fee Related CN204591843U (en) | 2015-03-05 | 2015-03-05 | A kind of small-sized neotectonics oil control multichannel valve body |
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| CN (1) | CN204591843U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351904A (en) * | 2016-10-10 | 2017-01-25 | 合肥协力液压科技有限公司 | Double-layer hydraulic oil control valve |
| CN106382270A (en) * | 2016-10-10 | 2017-02-08 | 合肥协力液压科技有限公司 | Oil control valve |
| CN106438541A (en) * | 2016-10-10 | 2017-02-22 | 合肥协力液压科技有限公司 | Double-layer hydraulic valve |
| CN106593980A (en) * | 2016-10-10 | 2017-04-26 | 合肥协力液压科技有限公司 | Hydraulic oil control valve |
-
2015
- 2015-03-05 CN CN201520127840.4U patent/CN204591843U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351904A (en) * | 2016-10-10 | 2017-01-25 | 合肥协力液压科技有限公司 | Double-layer hydraulic oil control valve |
| CN106382270A (en) * | 2016-10-10 | 2017-02-08 | 合肥协力液压科技有限公司 | Oil control valve |
| CN106438541A (en) * | 2016-10-10 | 2017-02-22 | 合肥协力液压科技有限公司 | Double-layer hydraulic valve |
| CN106593980A (en) * | 2016-10-10 | 2017-04-26 | 合肥协力液压科技有限公司 | Hydraulic oil control valve |
| CN106351904B (en) * | 2016-10-10 | 2018-04-17 | 合肥协力液压科技有限公司 | A kind of double-layer hydraulic oil controlling valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150826 Termination date: 20190305 |