CN203584677U - End cover integrated reversing valve shaft end motor for driving electronically-controlled hydraulic independent shaft end of automobile - Google Patents
End cover integrated reversing valve shaft end motor for driving electronically-controlled hydraulic independent shaft end of automobile Download PDFInfo
- Publication number
- CN203584677U CN203584677U CN201320731797.3U CN201320731797U CN203584677U CN 203584677 U CN203584677 U CN 203584677U CN 201320731797 U CN201320731797 U CN 201320731797U CN 203584677 U CN203584677 U CN 203584677U
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- valve core
- cylinder barrel
- end cap
- core shell
- end cover
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Abstract
The utility model provides an end cover integrated reversing valve shaft end motor for driving an electronically-controlled hydraulic independent shaft end of an automobile, belongs to the technical field of automobile driving systems and is mainly used for solving the problem in the prior art that the motor speed is affect by the easy step failing out and the low oil injecting speed which are caused by the high energy loss in oil paths due to the reason that a reversing valve and an oil cylinder are connected through the oil paths. The end cover integrated reversing valve shaft end motor comprises an end cover body and a piston. The end cover integrated reversing valve shaft end motor is characterized in that a valve core shell is distributed along the circumference of the end cover body in an embedded manner; a valve core, a spring and the valve core are arranged outside a cylinder barrel in the valve core shell in a sleeving manner from top to bottom; the piston is positioned in the cylinder barrel; the valve core is cylindrical; upper oil holes and lower oil holes are formed in the valve core; high-pressure oil holes and low-pressure oil holes which correspond to the upper oil holes and the lower oil holes are formed in the upper parts and the lower parts of the valve core shell, the cylinder barrel and the end cover body; and valve core driving pressure oil openings communicated into gaps of the valve core shell and the cylinder barrel are respectively formed in the side surface of the end cover body and near the upper end part and the lower end part.
Description
Technical field
The utility model belongs to automobile driving system technical field, is specifically related to automobile electrically-controlled fluid power independence axle head and drives with end cap integrated change valve axle head motor.
Background technique
At present, automobile driving system adopts explosive motor, through gearbox and transfer device, power is reached to wheel conventionally, but traditional transfer device, during in turning, through complicated road segment segment, easily produces and breaks away, and in addition, the required space of turning is larger; The driving force of wheel cannot be controlled separately; The hydraulic motor rotary speed of prior art is lower.The automobile electrically-controlled fluid power independence axle head drive system axle head motor (patent No. 201220525045.7) of prior art, its electric control reversing valve is arranged in oil circuit, between selector valve and oil cylinder, by oil pipe, be connected, the problem existing is: easy step-out, in oil circuit, there is energy loss, oil injecting speed is slower, affects motor speed.
Summary of the invention
The purpose of this utility model is to solve the problem that prior art exists, and provides automobile electrically-controlled fluid power independence axle head to drive with end cap integrated change valve axle head motor.
The utility model is to solve the problems of the technologies described above the technological scheme of taking to be:
Automobile electrically-controlled fluid power independence axle head drives with end cap integrated change valve axle head motor, comprise end cap body and piston, be characterized in: setting-in valve core shell circumferentially on end cap body, the cylinder barrel that is positioned at valve core shell overlaps cartridge spool, spring, spool outward from top to bottom; Wherein in the gap of spool between valve core shell and cylinder barrel, also can move up and down; Described piston is positioned at cylinder barrel; Described spool is cylindric, offers upper oil hole and lower oilhole on it; Described valve core shell, cylinder barrel and end cap body top and bottom offer corresponding high pressure oilhole and low pressure oilhole, in the side of end cap body, near the position of upper end portion and side, near the position of underpart, offer respectively the spool driving pressure hydraulic fluid port that leads to valve core shell and cylinder barrel gap.
The high pressure oilhole that described cylinder barrel upper and lower part is offered is for circumferentially, and quantity is respectively 4; The upper oil hole of offering on described spool and lower oilhole circumferentially, and quantity be respectively one week 3; High pressure oilhole and the low pressure oil hole number on described valve core shell, offered are respectively 2, and position is relative.
Described end cap body is provided with low pressure connection oil pocket and with the high pressure oilhole corresponding high pressure corresponding with low pressure oilhole near inner side and is communicated with oil pocket.
The utility model compared with prior art, has following beneficial effect:
The utility model has adopted integrated reversing valve, i.e. the spool upper and lower displacement of the installing of the gap between valve core shell and cylinder barrel commutates, and has shortened oil circuit, has reduced energy loss, makes piston movement out-of-step free, has guaranteed the rotating speed of motor.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of end cap body of the present utility model during without top cover;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 is changeover valve core schematic diagram of the present utility model.
In figure: 1-end cap body; 2-valve core shell; 3-spool; 4-cylinder barrel; 5-piston; 6-top cover; 7-spool driving pressure oilhole; 8-high pressure oilhole; 9-low pressure oilhole; 10-spring; 11-upper oil hole; 12-lower oilhole.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, automobile electrically-controlled fluid power independence axle head drives with end cap integrated change valve axle head motor, comprise end cap body 1 and piston 5, be characterized in: setting-in valve core shell 2 circumferentially on end cap body 1, is positioned at outer cartridge spool 3, spring 10, the spool 3 of overlapping of cylinder barrel 4 of valve core shell 2 from top to bottom; Wherein in the gap of spool 3 between valve core shell 2 and cylinder barrel 4, also can move up and down;
Described piston 5 is positioned at cylinder barrel 4; Described spool 3 is cylindric, offers upper oil hole 11 and lower oilhole 12 on it; Described valve core shell 2, cylinder barrel 4 and end cap body 1 top and bottom offer corresponding high pressure oilhole 8 and low pressure oilhole 9, offer respectively the spool driving pressure oilhole 7 that leads to valve core shell 2 and cylinder barrel 4 gaps in the side of end cap body 1 near the position of upper end portion and side near the position of underpart.
The high pressure oilhole 8 that described cylinder barrel 4 upper and lower parts are offered is for circumferentially, and quantity is respectively 4; The upper oil hole 11 of offering on described spool 3 and lower oilhole 12 circumferentially, and quantity be respectively one week 3; The high pressure oilhole 8 of offering on described valve core shell 2 and low pressure oilhole 9 quantity are respectively 2, and position is relative.
Described end cap body 1 is provided with low pressure connection oil pocket 13 and with the high pressure oilhole 8 corresponding high pressure corresponding with low pressure oilhole 9 near inner side and is communicated with oil pocket 14.
Working procedure and principle:
During the utility model work, when being positioned at spool driving pressure oilhole 7 oil-feed of end cap body upper end, spool 3 is driven, spring 10 pressurizeds, spool 3 is to descending, upper oil hole 11 on it is aimed at the high pressure oilhole 8 on cylinder barrel 4 and valve core shell 2, high pressure oil in the high pressure hydraulic fluid port in end cap outside is injected into the rodless cavity of cylinder barrel on piston 5 tops, descent of piston; When descent of piston is during to limit position, be positioned at spool driving pressure oilhole 7 oil-feeds of end cap body lower end, be positioned at spool driving pressure oilhole 7 oil returns of end cap body upper end simultaneously, the spool 3 that is positioned at bottom is up, spring 10 pressurizeds, the high pressure oilhole 8 of lower oilhole 12 aligned with lower on bottom spool 3, high pressure oil is injected in the cylinder barrel rod chamber of piston 5 bottoms through the high pressure oilhole in end cap outside, piston stroking upward.Now the lower oilhole 12 of top spool 3 is aimed at the low pressure oilhole 9 on top; So alternately back and forth, pumping of piston, moves in wavy groove by connecting rod band movable slider, and rotor is circled.
Claims (3)
1. automobile electrically-controlled fluid power independence axle head drives with end cap integrated change valve axle head motor, comprise end cap body (1) and piston (5), it is characterized in that: setting-in valve core shell (2) circumferentially on end cap body (1), is positioned at outer cartridge spool (3), spring (10), the spool (3) of overlapping of cylinder barrel (4) of valve core shell (2) from top to bottom; Wherein spool (3) is arranged in the gap between valve core shell (2) and cylinder barrel (4) and can moves up and down;
Described piston (5) is positioned at cylinder barrel (4); Described spool (3) is cylindric, offers upper oil hole (11) and lower oilhole (12) on it; Described valve core shell (2), cylinder barrel (4) and end cap body (1) top and bottom offer corresponding high pressure oilhole (8) and low pressure oilhole (9), offer respectively the spool driving pressure oilhole (7) that leads to valve core shell (2) and cylinder barrel (4) gap in the side of end cap body (1) near the position of upper end portion and side near the position of underpart.
2. automobile electrically-controlled fluid power independence axle head according to claim 1 drives with end cap integrated change valve axle head motor, it is characterized in that: the high pressure oilhole (8) that described cylinder barrel (4) upper and lower part is offered is for circumferentially, and quantity is respectively 4; The upper oil hole (11) of offering on described spool (3) and lower oilhole (12) circumferentially, and quantity be respectively one week 3; The high pressure oilhole (8) of offering on described valve core shell (2) and low pressure oilhole (9) quantity are respectively 2, and position is relative.
3. automobile electrically-controlled fluid power independence axle head according to claim 1 and 2 drives with end cap integrated change valve axle head motor, it is characterized in that: described end cap body (1) is provided with low pressure connection oil pocket (13) and with high pressure oilhole (8) the corresponding high pressure corresponding with low pressure oilhole (9) near inner side and is communicated with oil pocket (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731797.3U CN203584677U (en) | 2013-11-18 | 2013-11-18 | End cover integrated reversing valve shaft end motor for driving electronically-controlled hydraulic independent shaft end of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731797.3U CN203584677U (en) | 2013-11-18 | 2013-11-18 | End cover integrated reversing valve shaft end motor for driving electronically-controlled hydraulic independent shaft end of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203584677U true CN203584677U (en) | 2014-05-07 |
Family
ID=50582609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320731797.3U Withdrawn - After Issue CN203584677U (en) | 2013-11-18 | 2013-11-18 | End cover integrated reversing valve shaft end motor for driving electronically-controlled hydraulic independent shaft end of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203584677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573549A (en) * | 2013-11-18 | 2014-02-12 | 吴亚利 | End cover integrated reversing valve shaft end motor for automobile electric control hydraulic independent shaft end driving |
-
2013
- 2013-11-18 CN CN201320731797.3U patent/CN203584677U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573549A (en) * | 2013-11-18 | 2014-02-12 | 吴亚利 | End cover integrated reversing valve shaft end motor for automobile electric control hydraulic independent shaft end driving |
| CN103573549B (en) * | 2013-11-18 | 2015-08-12 | 吴亚利 | Automobile electronic-control hydraulic independent shaft end drives with end cap integrated change valve axle head motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140507 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |