CN201461598U - Cylinder-valve integrated type hydraulic cylinder - Google Patents
Cylinder-valve integrated type hydraulic cylinder Download PDFInfo
- Publication number
- CN201461598U CN201461598U CN2009201277942U CN200920127794U CN201461598U CN 201461598 U CN201461598 U CN 201461598U CN 2009201277942 U CN2009201277942 U CN 2009201277942U CN 200920127794 U CN200920127794 U CN 200920127794U CN 201461598 U CN201461598 U CN 201461598U
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- Prior art keywords
- oil duct
- cylinder
- oil
- communicated
- selector valve
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- Expired - Fee Related
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Abstract
The utility model relates to a cylinder-valve integrated type hydraulic cylinder comprising a cylinder body, a piston and a piston rod. A valve body is arranged at the end of a rod-less cavity of the cylinder body. A cavity chamber, a reversing valve installation hole, an oil inlet, a first oil duct, a second oil duct, a third oil duct, a fourth oil duct, a fifth oil duct and a sixth oil duct are arranged on the valve body. An oil return pipe is arranged on the hydraulic cylinder. The cylinder-valve integrated type hydraulic cylinder adopts compact structure and occupies a small installation space after being installed on mechanical equipment, which lessens impact on the distribution of other spare parts of the mechanical equipment and is beneficial for the installation of the hydraulic cylinder on the mechanical equipment.
Description
Technical field
The utility model relates to a kind of oil hydraulic cylinder, particularly controls the cylinder valve integral type oil hydraulic cylinder of oil hydraulic cylinder oil circuit conversion with selector valve.
Background technique
Oil hydraulic cylinder is a kind of device that comes transferring power with fluid pressure, mainly by cylinder body, be positioned at the piston of cylinder body and form with the piston rod that piston combines as a whole, piston is divided into rod chamber and rodless cavity two-part with inner chamber of cylinder block, and the inner chamber of cylinder block at piston rod place is rod chamber.
The cylinder body of existing oil hydraulic cylinder is provided with two oil pipes that are communicated with rod chamber and rodless cavity respectively, in the oil hydraulic cylinder oil circuit, dispose the selector valve that control hydraulic oil flows in oil circuit, when hydraulic oil when the oil pipe that is communicated with rodless cavity flows into the rodless cavity of cylinder body, hydraulic oil will promote piston and move to cylinder body rod chamber direction, thereby make piston rod protruding in the cylinder body, simultaneously, the hydraulic oil in the cylinder body rod chamber flows out from the oil pipe that is communicated with rod chamber; And when selector valve commutates, hydraulic oil then flows in the rod chamber of cylinder body from the oil pipe that is communicated with rod chamber, hydraulic oil then promotes piston and moves to cylinder body rodless cavity direction, thereby piston rod is withdrawn in the cylinder body outside cylinder body, simultaneously, the hydraulic oil in the cylinder body rodless cavity flows out from the oil pipe that is communicated with rodless cavity.
Two oil pipes that are provided with on the existing oil hydraulic cylinder and the selector valve of control oil channel direction make the overall structure of oil hydraulic cylinder at random and not compact, in the time of on this oil hydraulic cylinder is applied to such as the numerous small-sized machine of component such as two row transplanters, oil hydraulic cylinder will take more installing space, thereby influence the layout of other component of machinery.
The model utility content
The purpose of this utility model provides a kind of cylinder valve integral type oil hydraulic cylinder, makes the compact structure of oil hydraulic cylinder, thereby helps the installation of oil hydraulic cylinder on machinery.
Cylinder valve integral type oil hydraulic cylinder described in the utility model comprises cylinder body, be positioned at the piston of cylinder body and the piston rod that combines as a whole with piston, end is equipped with valve body at the rodless cavity place of cylinder body, on valve body, offer chamber, the selector valve mounting hole, filler opening, first oil duct, second oil duct, the 3rd oil duct, the 4th oil duct, the 5th oil duct and the 6th oil duct, the selector valve mounting hole is vertical with piston rod and be communicated with chamber, first oil duct is communicated with the selector valve mounting hole with filler opening, the 3rd oil duct be communicated with the selector valve mounting hole and with the first oil duct coaxial line, second oil duct is communicated with the selector valve mounting hole with the rodless cavity of cylinder body, the 4th oil duct be communicated with the selector valve mounting hole and with the second oil duct coaxial line, first, the 3rd oil duct and second, it is vertical mutually that the 4th oil duct is positioned at same plane, and all vertical with the selector valve mounting hole, the 3rd oil duct is communicated with chamber by the 6th oil duct; Oil hydraulic cylinder is provided with return tube, and return tube one end is communicated with the rod chamber of cylinder body, and the other end is communicated with the 4th oil duct by the 5th oil duct; The selector valve that is slidingly matched with it is installed in selector valve mounting hole, when selector valve rotates in the selector valve mounting hole, can simultaneously first, second oil duct and the 3rd, the 4th oil duct be communicated with, or simultaneously the first, the 4th oil duct and second, third oil duct be communicated with; Be fixed with body cap on the valve body with the sealing of described wall chamber, offer the spill port that is communicated with chamber on the body cap.
Selector valve has a flat part, and the plane at first, second, third, fourth oil duct place is through this flat part
End is equipped with cylinder cap at the rod chamber place of cylinder body, and piston rod passes with cylinder cap from cylinder cap and is slidingly matched, and the two ends of described return tube are installed in respectively on cylinder cap and the valve body, offers back oil road in the cylinder cap rod chamber of cylinder body is communicated with return tube.
On valve body, offer the tapped hole that described chamber is communicated with first oil duct, be connected with reduction valve in the tapped hole.
When selector valve made first, second, third, fourth oil duct not be communicated with mutually in the selector valve mounting hole, hydraulic oil can not flow into inner chamber of cylinder block, and piston rod remains static.
Remain static down at hydraulic rod, when selector valve clockwise rotates 45 ° in the selector valve mounting hole, the flat part of selector valve part and the formed space of valve body are respectively with first, second oil duct and the 3rd, the 4th oil duct is communicated with, hydraulic oil from filler opening through first oil duct, second oil duct enters in the rodless cavity of cylinder body, promoting piston moves to cylinder body rod chamber direction, thereby piston rod is ejected in cylinder body, simultaneously, hydraulic oil in the cylinder body rod chamber is through return tube, the 5th oil duct, the 4th oil duct, the 3rd oil duct, the 6th oil duct enters valve chamber, and the spill port from the body cap flows out again.
Remain static down at hydraulic rod, when selector valve rotates counterclockwise 45 ° in the selector valve mounting hole, the flat part of selector valve part and the formed space of valve body are respectively with first, the 4th oil duct and second, the 3rd oil duct is communicated with, hydraulic oil from filler opening through first oil duct, the 4th oil duct, the 5th oil duct, return tube enters in the rod chamber of cylinder body, promoting piston moves to cylinder body rodless cavity direction, thereby make in the piston rod retract cylinder, simultaneously, hydraulic oil in the cylinder body rodless cavity is through second oil duct, the 3rd oil duct, the 6th oil duct enters valve chamber, and the spill port from the body cap flows out again.
Cylinder valve integral type hydraulic cylinder structure compactness described in the utility model, it is little to be installed in installing space shared on the machinery, has reduced it largely to the influence that other component of machinery are arranged, helps the installation of oil hydraulic cylinder on machinery.
Description of drawings
Now in conjunction with the accompanying drawings the utility model is described in further detail.
Fig. 1 is the plan view of cylinder valve integral type oil hydraulic cylinder described in the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that M among Fig. 1 is to view;
Fig. 4 is the sectional view of A-A line among Fig. 1;
Fig. 5 is the sectional view of B-B line among Fig. 1;
Fig. 6 is the plan view of selector valve;
Fig. 7 is the sectional view of C-C line among Fig. 6;
The plan view of Fig. 8 valve body;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the right elevation of Fig. 8;
Figure 11 is the rear view of Fig. 8;
Figure 12 is the sectional view of D-D line among Fig. 8;
Figure 13 is the sectional view of E-E line among Fig. 8;
Figure 14 is the sectional view of F-F line among Fig. 9.
Embodiment
Extremely shown in Figure 14 as Fig. 1, this cylinder valve integral type oil hydraulic cylinder comprises cylinder body 3, be positioned at the piston 11 of cylinder body 3 and the piston rod 1 that combines as a whole with piston 11, rod chamber 10 place ends at cylinder body 3 are equipped with cylinder cap 2, piston rod 1 passes with cylinder cap 2 from cylinder cap 2 and is slidingly matched. and the rodless cavity 20 place ends at cylinder body 3 are equipped with valve body 5, on valve body 5, offer chamber 23, selector valve mounting hole 13, filler opening 9, first oil duct 14, second oil duct 12, the 3rd oil duct 17, the 4th oil duct 16, the 5th oil duct 18 and the 6th oil duct 19, selector valve mounting hole 13 and piston rod 1 are vertical and be communicated with chamber 23, first oil duct 14 is communicated with selector valve mounting hole 13 with filler opening 9, the 3rd oil duct 17 be communicated with selector valve mounting hole 23 and with first oil duct, 14 coaxial lines, second oil duct 12 is communicated with selector valve mounting hole 13 with the rodless cavity 20 of cylinder body 3, the 4th oil duct 16 be communicated with selector valve mounting hole 13 and with second oil duct, 12 coaxial lines, first, the 3rd oil duct 14,17 and second, the 4th oil duct 12,16 are positioned at same plane mutually vertically, and it is all vertical with selector valve mounting hole 13, the 3rd oil duct 17 is communicated with chamber 23 by the 6th oil duct 19. and oil hydraulic cylinder is provided with return tube 21, return tube 21 two ends are installed in respectively on cylinder cap 2 and the valve body 5, offering back oil road 22 in the cylinder cap 2 is communicated with the rod chamber 10 of cylinder body 3 with return tube 21 1 ends, return tube 21 the other ends are communicated with the 4th oil duct 16 by the 5th oil duct 18. the selector valve 6 that is slidingly matched with it is installed in selector valve mounting hole 13, selector valve 6 has a flat part, and first, second, the 3rd, the 4th oil duct 14,12,17, the plane at 16 places is through this flat part, flat part be by on tubular selector valve 6 processing two be parallel to each other and the size identical plane 25 formed. when selector valve 6 rotates in selector valve mounting hole 13, can be simultaneously with first, second oil duct 14, the 12 and the 3rd, the 4th oil duct 17,16 are communicated with, or simultaneously with first, the 4th oil duct 14,16 and second, the 3rd oil duct 12,17 are communicated with. be fixed with body cap 2 on the valve body 5 with 23 sealings of described wall chamber, offer on the body cap 2 on spill port 8. valve bodies 5 that are communicated with chamber 23 and offer the tapped hole 15 that described chamber 23 is communicated with first oil duct 14, be connected with reduction valve 24 in the tapped hole 15, when oil pressure in the oil circuit is too high, this reduction valve 24 is opened, pressure oil in first oil duct 14 enters chamber 23 through reduction valve 24, thereby guarantees that the oil pressure in the oil circuit is in normal state.
When selector valve 6 during at state shown in Figure 4, when first, second, third, fourth oil ducts 14,12,17,16 in the valve body 5 were not communicated with mutually, hydraulic oil can not flow into cylinder body 3 inner chambers, and piston rod 1 remains static.
When selector valve 6 when state shown in Figure 4 clockwise rotates 45 ° in selector valve mounting hole 13, the flat part of selector valve 6 part and valve body 5 formed spaces are respectively with first, second oil duct 14, the 12 and the 3rd, the 4th oil duct 17,16 are communicated with, hydraulic oil from filler opening 9 through first oil duct 14, second oil duct 12 enters in the rodless cavity 10 of cylinder body 3, piston rod 1 is ejected in cylinder body 3, simultaneously, hydraulic oil in the cylinder body rod chamber 10 is through back oil road 22, return tube 21, the 5th oil duct 18, the 4th oil duct 16, the 3rd oil duct 17, the 6th oil duct 19 enters valve chamber 23, and the spill port from the body cap 48 flows out again.
When selector valve 6 when state shown in Figure 4 rotates counterclockwise 45 ° in selector valve mounting hole 13, the flat part of selector valve 6 part and valve body 5 formed spaces are respectively with first, the 4th oil 14,16 roads and second, the 3rd oil duct 12,17 are communicated with, hydraulic oil from filler opening 9 through first oil duct 14, the 4th oil duct 16, the 5th oil duct 18, return tube 21, back oil road 22 enters in the rod chamber 10 of cylinder body 3, make in piston rod 1 retract cylinder 3, simultaneously, hydraulic oil in the cylinder body rodless cavity 20 is through second oil duct 12, the 3rd oil duct 17, the 6th oil duct 19 enters valve chamber 23, and the spill port from the body cap 48 flows out again.
Claims (4)
1. cylinder valve integral type oil hydraulic cylinder, comprise cylinder body (3), be positioned at the piston (11) of cylinder body and the piston rod (1) that combines as a whole with piston, it is characterized in that: end is equipped with valve body (5) at rodless cavity (20) place of cylinder body, on valve body, offer chamber (23), selector valve mounting hole (13), filler opening (9), first oil duct (14), second oil duct (12), the 3rd oil duct (17), the 4th oil duct (16), the 5th oil duct (18) and the 6th oil duct (19), the selector valve mounting hole is vertical with piston rod and be communicated with chamber, first oil duct is communicated with the selector valve mounting hole with filler opening, the 3rd oil duct be communicated with the selector valve mounting hole and with the first oil duct coaxial line, second oil duct is communicated with the selector valve mounting hole with the rodless cavity of cylinder body, the 4th oil duct be communicated with the selector valve mounting hole and with the second oil duct coaxial line, first, the 3rd oil duct and second, it is vertical mutually that the 4th oil duct is positioned at same plane, and all vertical with the selector valve mounting hole, the 3rd oil duct is communicated with chamber by the 6th oil duct; Oil hydraulic cylinder is provided with return tube (21), and return tube one end is communicated with the rod chamber (10) of cylinder body, and the other end is communicated with the 4th oil duct by the 5th oil duct; The selector valve (6) that is slidingly matched with it is installed in selector valve mounting hole, when selector valve rotates in the selector valve mounting hole, can simultaneously first, second oil duct and the 3rd, the 4th oil duct be communicated with, or simultaneously the first, the 4th oil duct and second, third oil duct be communicated with; Be fixed with body cap (4) on the valve body with the sealing of described wall chamber, offer the spill port (8) that is communicated with chamber on the body cap.
2. cylinder valve integral type oil hydraulic cylinder according to claim 1 is characterized in that: selector valve (6) has a flat part, and the plane at first, second, third, fourth oil duct (14,12,17,16) place is through this flat part.
3. cylinder valve integral type oil hydraulic cylinder according to claim 1 and 2, it is characterized in that: end is equipped with cylinder cap (2) at rod chamber (10) place of cylinder body (3), piston rod (1) passes with cylinder cap from cylinder cap and is slidingly matched, the two ends of described return tube (21) are installed in respectively on cylinder cap and the valve body (5), offer back oil road (22) in the cylinder cap rod chamber of cylinder body is communicated with return tube.
4. cylinder valve integral type oil hydraulic cylinder according to claim 1 is characterized in that: offer the tapped hole (15) that described chamber (23) is communicated with first oil duct (14) on valve body (5), be connected with reduction valve (24) in the tapped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201277942U CN201461598U (en) | 2009-06-26 | 2009-06-26 | Cylinder-valve integrated type hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201277942U CN201461598U (en) | 2009-06-26 | 2009-06-26 | Cylinder-valve integrated type hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201461598U true CN201461598U (en) | 2010-05-12 |
Family
ID=42388951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201277942U Expired - Fee Related CN201461598U (en) | 2009-06-26 | 2009-06-26 | Cylinder-valve integrated type hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201461598U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438049A (en) * | 2013-08-30 | 2013-12-11 | 长治清华机械厂 | Oil cylinder of drilling and exploring measuring device |
| CN103899791A (en) * | 2014-04-11 | 2014-07-02 | 西安交通大学 | Proportional flow rotary valve for alternating-current servo motor direct drive type unloading |
| CN104132028A (en) * | 2014-07-24 | 2014-11-05 | 冯翠卿 | Improved valve switch remote controller of hydraulic oil cylinder |
| CN106382274A (en) * | 2016-11-23 | 2017-02-08 | 韶关市博仕乐液压机械制造有限公司 | Hydraulic oil cylinder with built-in circulating oil paths and horizontal supporting plate |
| CN106382275A (en) * | 2016-11-23 | 2017-02-08 | 韶关市博仕乐液压机械制造有限公司 | Hydraulic oil cylinder with built-in circulating oil paths and inclined supporting plate |
-
2009
- 2009-06-26 CN CN2009201277942U patent/CN201461598U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438049A (en) * | 2013-08-30 | 2013-12-11 | 长治清华机械厂 | Oil cylinder of drilling and exploring measuring device |
| CN103438049B (en) * | 2013-08-30 | 2016-05-04 | 长治清华机械厂 | Probing analyzer oil cylinder |
| CN103899791A (en) * | 2014-04-11 | 2014-07-02 | 西安交通大学 | Proportional flow rotary valve for alternating-current servo motor direct drive type unloading |
| CN104132028A (en) * | 2014-07-24 | 2014-11-05 | 冯翠卿 | Improved valve switch remote controller of hydraulic oil cylinder |
| CN104132028B (en) * | 2014-07-24 | 2016-03-23 | 冯翠卿 | A kind of modified model threshold switch remote controller of hydraulic jack |
| CN106382274A (en) * | 2016-11-23 | 2017-02-08 | 韶关市博仕乐液压机械制造有限公司 | Hydraulic oil cylinder with built-in circulating oil paths and horizontal supporting plate |
| CN106382275A (en) * | 2016-11-23 | 2017-02-08 | 韶关市博仕乐液压机械制造有限公司 | Hydraulic oil cylinder with built-in circulating oil paths and inclined supporting plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING LEIBO AGRICULTURAL MACHINERY CO., LTD. Free format text: FORMER OWNER: CHONGQING QUANNONG AGRICULTURAL MACHINERY CHAIN CO., LTD. Effective date: 20120719 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 401120 YUBEI, CHONGQING TO: 408000 FULING, CHONGQING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120719 Address after: 408000 Chongqing District of Fuling City Li Duju Dragon Road No. 188 Patentee after: Chongqing Bo cheerful agriculture machinery corp Address before: 401120 Chongqing city Yubei District Huixing Street Lanxin Road No. 2 Chongqing International Electrical Hardware City Patentee before: Chongqing Zhongquan Agricultural Machinery Chain Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20150626 |
|
| EXPY | Termination of patent right or utility model |