CN202301268U - Hydraulic cylinder - Google Patents
Hydraulic cylinder Download PDFInfo
- Publication number
- CN202301268U CN202301268U CN2011203986762U CN201120398676U CN202301268U CN 202301268 U CN202301268 U CN 202301268U CN 2011203986762 U CN2011203986762 U CN 2011203986762U CN 201120398676 U CN201120398676 U CN 201120398676U CN 202301268 U CN202301268 U CN 202301268U
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- piston
- piston rod
- rod
- cylinder
- hydraulic jack
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Abstract
The utility model relates to the field of hydraulic cylinders, particularly to a single-piston double-action hydraulic cylinder, which includes a cylinder bottom, a cylinder body, a cylinder barrel, a piston and a piston rod, wherein the cylinder body of the hydraulic cylinder is divided into a rod cavity and a rodless cavity through the piston rod. The hydraulic cylinder is characterized by further including two hydraulic fluid ports communicated with the rod cavity and the rodless cavity respectively, a pusher connected with the piston rod on the side extending out of the cylinder body, a lug ring connected with the other side of the piston rod, a guide sleeve arranged between the cylinder barrel and the piston rod, a sealing device arranged on a contact surface of the guide sleeve and the piston rod, and a sealing device arranged at a contact surface of the piston and the cylinder barrel; the piston is a split-type piston; and the piston is in threaded connection with the piston rod. The hydraulic cylinder provided by the utility model has the benefits that the hydraulic cylinder is a single-piston double-action type, a step-seal ring and a glyd ring with abrasion resistance, high-temperature resistance, high pressure grade and excellent sealing performance are mainly adopted for the seal of the hydraulic cylinder, the split-type piston is in threaded connection with the piston rod, the process is simple, and the manufacturing cost is reduced.
Description
Technical field
The utility model relates to the hydraulic jack field, relates in particular to a kind of single piston double action hydraulic jack.
Background technique
Single piston single-acting formula hydraulic jack has only a hydraulic fluid port, and the mode of action is more single, and the utility model will provide a kind of single piston double action hydraulic jack simple in structure; Secondly; The quality of oil cylinder depends on sealability, and the utility model will use the better seal arrangement of sealability, in addition; The integral structure of piston and piston rod is made complicacy in the existing hydraulic jack, and the utility model will provide a kind of simple piston-piston rod link.
The model utility content
The purpose of the utility model is to overcome the problems referred to above, and a kind of simple in structure, hydraulic jack that excellent sealing performance, single piston double action are arranged is provided.
To achieve these goals; The technological scheme that the utility model adopted is: hydraulic jack; Comprise cylinder bottom, cylinder body, cylinder barrel, piston and piston rod; Piston rod is divided into rod chamber and rodless cavity with the cylinder body of hydraulic jack, it is characterized in that: also comprise two hydraulic fluid ports being communicated with rod chamber and rodless cavity respectively, with piston rod stretch out pushing hands that a side of cylinder body is connected, with earrings, cylinder barrel and piston rod that the opposite side of piston rod is connected between guide sleeve, be arranged at the seal arrangement of guide sleeve and piston rod surface of contact and be arranged at piston and the seal arrangement of cylinder barrel surface of contact; Described piston is split type piston, and piston is connected with piston rod thread.
The described hydraulic jack of the utility model is single piston double action hydraulic jack.
As the further improvement to the utility model, the hydraulic fluid port that is communicated with rod chamber is communicated with rod chamber through pipeline, and the hydraulic fluid port that is communicated with rodless cavity directly is communicated with rodless cavity.
As the further improvement to the utility model, the seal arrangement that is arranged at guide sleeve and piston rod surface of contact is this special seal; The seal arrangement that is arranged at piston and cylinder barrel surface of contact is that lattice enclose, and piston rod and piston space also are provided with the O RunddichtringO.
As the further improvement to the utility model, pushing hands is fixedly connected through positioning screwn with piston rod.
The beneficial effect that the utility model had is: have two hydraulic fluid ports that are communicated with rod chamber and rodless cavity respectively, hydraulic jack is single piston double action; The sealing of this hydraulic jack mainly utilizes this special seal (being used for guide sleeve) and lattice to enclose (be used for split type piston, be convenient to install), and lattice enclose and this special seal Wear-resistant, high-temperature resistant, high, the favorable sealing property of pressure rating; Split type piston and piston rod are through being threaded, and technology simply reduces manufacture cost.
Description of drawings
Fig. 1 is the structural drawing of the utility model;
Wherein, 1 cylinder bottom, 2 cylinder bodies, 3 cylinder barrels, 4 pistons, 5 piston rods, 6 rod chambers, 7 rodless cavities, 8 hydraulic fluid ports, 9 pushing hands, 10 earrings, 11 guide sleeves, 12 pipelines, 13 these special seal, 14 lattice enclose, 15 O RunddichtringOs, 16 positioning screwns, 17 dust rings.
Embodiment
Fig. 1 is the preferred embodiment of the utility model, below in conjunction with Fig. 1 the utility model further described, wherein, 1 cylinder bottom, 2 cylinder bodies; 3 cylinder barrels, 4 pistons, 5 piston rods, 6 rod chambers, 7 rodless cavities; 8 hydraulic fluid ports, 9 pushing hands, 10 earrings, 11 guide sleeves, 12 pipelines; 13 these special seal, 14 lattice enclose, 15 O RunddichtringOs, 16 positioning screwns, 17 dust rings.
According to Fig. 1; Hydraulic jack is single piston double action hydraulic jack; Comprise cylinder bottom 1, cylinder body 2, cylinder barrel 3, piston 4 and piston rod 5; Piston rod 5 is divided into rod chamber 6 and rodless cavity 7 with the cylinder body 2 of hydraulic jack, it is characterized in that: also comprise two hydraulic fluid ports 8 being communicated with rod chamber 6 and rodless cavity 7 respectively, with piston rod 5 stretch out pushing hands 9 that a side of cylinder body 2 is connected, with earrings 10, cylinder barrel 3 and piston rod 5 that the opposite side of piston rod 5 is connected between guide sleeve 11, be arranged at the seal arrangement of guide sleeve 11 and piston rod 5 surface of contact and be arranged at the seal arrangement of piston 4 and cylinder barrel 3 surface of contact; Described piston 4 is split type piston, and piston 4 is threaded with piston rod 5.
Guide sleeve 11 originates in the end that the cylinder barrel 3 that piston rod 5 stretches out is arranged, and guide sleeve 11 is positioned at cylinder body 2 and extends to certain-length along piston rod 5, and guide sleeve 11 can prevent moving radially of piston rod 5.
The seal arrangement that is arranged at guide sleeve 11 and piston rod 5 surface of contact is this special seal 13; The seal arrangement that is arranged at piston 4 and cylinder barrel 2 surface of contact is that lattice enclose 14, and 4 in piston rod 5 and piston also are provided with O RunddichtringO 15, and guide sleeve 11 start-up portions also are provided with dust ring 17.
The hydraulic fluid port 8 that is communicated with rod chamber 6 is communicated with rod chamber 6 through pipeline 12, and the hydraulic fluid port 8 that is communicated with rodless cavity 7 directly is communicated with rodless cavity 7.
Pushing hands 9 is fixedly connected through positioning screwn 16 with piston rod 5.
The foregoing description does not limit the utility model in any form, and all employings are equal to the technological scheme that mode obtained of replacement or equivalent transformation, all drop in the protection domain of the utility model.
Claims (5)
1. hydraulic jack; Comprise cylinder bottom, cylinder body, cylinder barrel, piston and piston rod; Piston rod is divided into rod chamber and rodless cavity with the cylinder body of hydraulic jack, it is characterized in that: also comprise two hydraulic fluid ports being communicated with rod chamber and rodless cavity respectively, with piston rod stretch out pushing hands that a side of cylinder body is connected, with earrings, cylinder barrel and piston rod that the opposite side of piston rod is connected between guide sleeve, be arranged at the seal arrangement of guide sleeve and piston rod surface of contact and be arranged at piston and the seal arrangement of cylinder barrel surface of contact; Described piston is split type piston, and piston is connected with piston rod thread.
2. hydraulic jack according to claim 1 is characterized in that: described hydraulic jack is single piston double action hydraulic jack.
3. hydraulic jack according to claim 1 is characterized in that: the hydraulic fluid port of described connection rod chamber is communicated with rod chamber through pipeline, and the hydraulic fluid port of described connection rodless cavity directly is communicated with rodless cavity.
4. according to claim 1 or 3 described hydraulic jacks, it is characterized in that: the described seal arrangement that is arranged at guide sleeve and piston rod surface of contact is this special seal; The described seal arrangement that is arranged at piston and cylinder barrel surface of contact is that lattice enclose, and piston rod and piston space also are provided with the O RunddichtringO.
5. hydraulic jack according to claim 1 is characterized in that: described pushing hands is fixedly connected through positioning screwn with piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203986762U CN202301268U (en) | 2011-10-19 | 2011-10-19 | Hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203986762U CN202301268U (en) | 2011-10-19 | 2011-10-19 | Hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301268U true CN202301268U (en) | 2012-07-04 |
Family
ID=46370177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203986762U Expired - Fee Related CN202301268U (en) | 2011-10-19 | 2011-10-19 | Hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301268U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244503A (en) * | 2013-05-21 | 2013-08-14 | 成都海凌达机械有限公司 | Dump lifting hydro-cylinder |
| CN105090160A (en) * | 2015-09-30 | 2015-11-25 | 柳州双吉机械有限公司 | Double-acting piston type hydraulic cylinder |
| CN105889169A (en) * | 2014-11-13 | 2016-08-24 | 杨双来 | Hydraulic oil cylinder sectional type piston and mounting method |
| CN107559262A (en) * | 2017-08-25 | 2018-01-09 | 大连理工大学 | A kind of small stroke servo-cylinder of low friction |
| CN109281889A (en) * | 2018-11-09 | 2019-01-29 | 湖南师范大学 | A kind of combination sealing arrangement and hydraulic cylinder for hydraulic cylinder piston |
| CN109595206A (en) * | 2018-12-28 | 2019-04-09 | 合肥合锻智能制造股份有限公司 | A kind of super-pressure clamping cylinder assembly |
-
2011
- 2011-10-19 CN CN2011203986762U patent/CN202301268U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244503A (en) * | 2013-05-21 | 2013-08-14 | 成都海凌达机械有限公司 | Dump lifting hydro-cylinder |
| CN105889169A (en) * | 2014-11-13 | 2016-08-24 | 杨双来 | Hydraulic oil cylinder sectional type piston and mounting method |
| CN105090160A (en) * | 2015-09-30 | 2015-11-25 | 柳州双吉机械有限公司 | Double-acting piston type hydraulic cylinder |
| CN107559262A (en) * | 2017-08-25 | 2018-01-09 | 大连理工大学 | A kind of small stroke servo-cylinder of low friction |
| CN109281889A (en) * | 2018-11-09 | 2019-01-29 | 湖南师范大学 | A kind of combination sealing arrangement and hydraulic cylinder for hydraulic cylinder piston |
| CN109595206A (en) * | 2018-12-28 | 2019-04-09 | 合肥合锻智能制造股份有限公司 | A kind of super-pressure clamping cylinder assembly |
| CN109595206B (en) * | 2018-12-28 | 2020-06-12 | 合肥合锻智能制造股份有限公司 | Ultrahigh-pressure clamping cylinder device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121019 |