CN201368085Y - Single-action sleeve type hydraulic cylinder - Google Patents
Single-action sleeve type hydraulic cylinder Download PDFInfo
- Publication number
- CN201368085Y CN201368085Y CNU2009200839247U CN200920083924U CN201368085Y CN 201368085 Y CN201368085 Y CN 201368085Y CN U2009200839247 U CNU2009200839247 U CN U2009200839247U CN 200920083924 U CN200920083924 U CN 200920083924U CN 201368085 Y CN201368085 Y CN 201368085Y
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- Prior art keywords
- cylinder
- stage
- type hydraulic
- cylinder barrel
- hydraulic cylinder
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- Expired - Fee Related
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Abstract
The utility model relates to a single-action sleeve type hydraulic cylinder which comprises an outer casing, an outer cylinder and multistage cylinders, wherein the outer casing is fixed on the outer wall of the outer cylinder, an oil inlet connector is arranged on the wall of the outer cylinder, the multistage cylinders are installed inside the outer cylinder in sequence and in stages, each stage of cylinder is limited by the step at the bottom of the cylinder, an oil drain hole is formed on the step at the bottom of each stage of cylinder, and the distance between the central line of the oil drain hole at the tail end of each stage of cylinder and the end surface of the step at the bottom of the stage of cylinder is 2.0-2.45 cm. In the single-action sleeve type hydraulic cylinder of the utility model, because the distance between the central line of the oil drain hole at the tail end of each stage of cylinder and the end surface of the step at the bottom of the stage of cylinder is 2.0-2.45 cm, during each resetting, the hydraulic oil can form a sealing zone between a piston and the oil drain hole, and the sealing zone can reduce the impact force during resetting, and play the function of buffering, thereby reducing the damage caused by impact and prolonging the service life of the product.
Description
Technical field
The utility model relates to a kind of oil hydraulic cylinder, especially a kind of single-acting sleeve-type hydraulic cylinder.
Background technique
Existing single-acting sleeve-type hydraulic cylinder, the draining hole is located at the root of cylinder barrels at different levels, when each cylinder barrel resets, piston cylinders at different levels upper-end surface can be impacted with upper level cylinder barrel guiding lower end surface, multistage cylinder barrel and interface impact, and oil hydraulic cylinder is caused damage, reduce the working life of product.
Summary of the invention
The utility model provides a kind of single-acting sleeve-type hydraulic cylinder, and the impact force in the time of can effectively reducing oil hydraulic cylinder and reset reduces the damage that is caused by impact, improves the working life of product.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: described single-acting sleeve-type hydraulic cylinder, comprise outer cover, outer cylinder, multistage cylinder barrel, overcoat is fixed on the outer wall of outer cylinder, the barrel of outer cylinder is provided with fuel inlet fitting, the classification in regular turn of multistage cylinder barrel is installed in outer cylinder inside, spacing between the cylinder barrels at different levels by the step of cylinder barrel bottom, be equipped with the draining hole on the step of every grade of cylinder barrel bottom, it is characterized in that: the distance between the center line in described every grade of cylinder barrel tail end draining hole and this grade cylinder barrel bottom stage end face is 2.0～2.45cm.
Beneficial effect:
Use single-acting sleeve-type hydraulic cylinder described in the utility model, distance between the center line in described every grade of cylinder barrel tail end draining hole and this grade cylinder barrel bottom stage end face is 2.0～2.45cm, like this when resetting at every turn, hydraulic oil can form sealing strip between piston and draining hole, the sealing band can reduce impact force when resetting, play the effect of buffering, reduce the damage that causes by impact, improve the working life of product.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing of A portion in the utility model.
Embodiment
As Fig. 1, the utility model single-acting sleeve-type hydraulic cylinder shown in Figure 2, comprise outer cover 1, outer cylinder 2, multistage cylinder barrel 3,4,5,6, overcoat 1 is fixed on the outer wall of outer cylinder 2, the barrel of outer cylinder 2 is provided with fuel inlet fitting 7, multistage cylinder barrel 3,4,5,6 classifications in regular turn are installed in outer cylinder 2 inside, spacing between the cylinder barrels at different levels by the step of cylinder barrel bottom, be equipped with the draining hole on the step of every grade of cylinder barrel bottom, one end of every grade of cylinder barrel is provided with guidance tape 9 successively, o type circle 10, dust ring 11, be provided with oil sealing 12 between guidance tape 9 and the o type circle 10, the other end is provided with guidance tape 9 and jump ring 14, outer cover 1 outside is provided with outer cover hanger 13, the tail end of outer cylinder 2 is provided with outer cylinder hanger 15, distance between the center line in described every grade of cylinder barrel tail end draining hole 8 and this grade cylinder barrel bottom stage end face is 2.0～2.45cm, and the diameter in draining hole 8 is 8～10mm.
Claims (1)
1, single-acting sleeve-type hydraulic cylinder, comprise outer cover, outer cylinder, multistage cylinder barrel, overcoat is fixed on the outer wall of outer cylinder, the barrel of outer cylinder is provided with fuel inlet fitting, the classification in regular turn of multistage cylinder barrel is installed in outer cylinder inside, spacing between the cylinder barrels at different levels by the step of cylinder barrel bottom, be equipped with the draining hole on the step of every grade of cylinder barrel bottom, it is characterized in that: the distance between the center line in described every grade of cylinder barrel tail end draining hole and this grade cylinder barrel bottom stage end face is 2.0～2.45cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200839247U CN201368085Y (en) | 2009-02-27 | 2009-02-27 | Single-action sleeve type hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200839247U CN201368085Y (en) | 2009-02-27 | 2009-02-27 | Single-action sleeve type hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201368085Y true CN201368085Y (en) | 2009-12-23 |
Family
ID=41486978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200839247U Expired - Fee Related CN201368085Y (en) | 2009-02-27 | 2009-02-27 | Single-action sleeve type hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201368085Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075386A (en) * | 2011-10-26 | 2013-05-01 | 潘井仁 | Multistage cylinder of hydraulic hoist |
| CN103935880A (en) * | 2014-04-18 | 2014-07-23 | 镇平县英卓科技有限公司 | Final assembly hanger for hydraulic oil cylinder |
| CN105545875A (en) * | 2016-01-27 | 2016-05-04 | 徐存然 | Lifting arm hydraulic rod of grassland fence machine |
-
2009
- 2009-02-27 CN CNU2009200839247U patent/CN201368085Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075386A (en) * | 2011-10-26 | 2013-05-01 | 潘井仁 | Multistage cylinder of hydraulic hoist |
| CN103935880A (en) * | 2014-04-18 | 2014-07-23 | 镇平县英卓科技有限公司 | Final assembly hanger for hydraulic oil cylinder |
| CN105545875A (en) * | 2016-01-27 | 2016-05-04 | 徐存然 | Lifting arm hydraulic rod of grassland fence machine |
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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: HUBEI JIAHENG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIAHENG HYDRAULIC MACHINERY CO., LTD. Effective date: 20110310 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 442500 CHANGLING INDUSTRIAL PARK, YUNXIAN ECONOMIC DEVELOPMENT ZONE, SHIYANCITY, HUBEI PROVINCE TO: 442512 CHANGLING INDUSTRIAL PARK, CHADIAN, YUNXIAN ECONOMIC DEVELOPMENT ZONE, SHIYAN CITY, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110310 Address after: 442512 Shiyan city of Hubei province tea Yunxian Economic Development Zone, Changling Industrial Park Patentee after: Hubei Jiaheng Technology Co., Ltd. Address before: 442500 Changling Industrial Park, Yunxian Economic Development Zone, Hubei, Shiyan Patentee before: Jiaheng Hydraulic Machinery Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20130227 |