CN103591079A - Novel hydraulic cylinder - Google Patents
Novel hydraulic cylinder Download PDFInfo
- Publication number
- CN103591079A CN103591079A CN201310614894.9A CN201310614894A CN103591079A CN 103591079 A CN103591079 A CN 103591079A CN 201310614894 A CN201310614894 A CN 201310614894A CN 103591079 A CN103591079 A CN 103591079A
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- cylinder body
- outer shroud
- novel hydraulic
- bearing inner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a hydraulic cylinder and particularly relates to a novel hydraulic cylinder which can effectively prevent a piston rod axis from deviating, impurities in air cannot enter a hydraulic cylinder body easily, service life is prolonged, and equipment maintaining frequency is lowered. The novel hydraulic cylinder comprises a locating ring set which is fixed on one side of a piston rod in the hydraulic cylinder body. The locating ring set comprises a fixing outer ring, a bearing inner ring and a supporting rod. The fixing outer ring is fixed on the inner wall of the hydraulic cylinder body. The bearing inner ring is arranged on the piston rod in a sleeved mode. The two ends of the supporting rod are fixedly connected to the fixing outer ring and the bearing inner ring respectively. A shaft hole, an air inlet and an air outlet are formed in the end portion of the hydraulic cylinder body. The air inlet and the air outlet are provided with an air inlet single-way valve and an air outlet single-way valve respectively. A filtering device is arranged on the air inlet. An elastic sealing ring and an oil brush are arranged at the shaft hole on the hydraulic cylinder body from inside to outside in sequence. An annular impurity groove is formed in the root portion of the oil brush.
Description
Technical field
The present invention relates to technical field of hydraulic oil cylinder, particularly relate to a kind of Novel hydraulic cylinder.
Background technique
As everyone knows, hydraulic jack is a kind of hydraulic energy to be converted to mechanical energy to reach the device of mechanical transmission object, is widely used in mechanical field, existing hydraulic jack, generally include cylinder body, piston and piston rod, hydraulic oil flows into and flows out to promote piston to-and-fro motion in cylinder body in cylinder body, piston rod is connected on piston, in order to reduce friction, the diameter of piston rod is less than the diameter of piston conventionally, in use, inventor finds that the axle center of piston rod easily departs from the axle center of cylinder body under Action of Gravity Field, to-and-fro motion due to piston simultaneously makes gas ceaselessly pass in and out the piston side of cylinder body, the gas that comprises impurity is entered in cylinder body under this wobbler action, the pollution of this impurity not only will increase the frictional force of piston movement, all parts in easy wearing and tearing of while cylinder body, reduce working life, increase plant maintenance number of times.
Summary of the invention
For solving the problems of the technologies described above, the invention provides and a kind ofly effectively prevent that piston rod axle center from departing from, airborne impurity is difficult for entering cylinder body, increases working life, reduces the Novel hydraulic cylinder of plant maintenance number of times.
Novel hydraulic cylinder of the present invention, comprise cylinder body, piston and piston rod, also comprise positioning ring group, described positioning ring group is fixed on described cylinder body inner piston rod one side, described positioning ring group comprises fixedly outer shroud, bearing inner ring and strut, described fixedly outer shroud is fixed on the inwall of described cylinder body, and described bearing inner ring is sleeved on described piston rod, and the two ends of described strut are fixedly connected on respectively on described fixedly outer shroud and bearing inner ring; The end of described cylinder body is provided with axis hole, suction port and air outlet, and described suction port and air outlet are respectively arranged with suction port one-way valve and air outlet one-way valve, is also provided with filtrating equipment on described suction port; On described cylinder body, be positioned at axis hole place and be disposed with from the inside to the outside elastic seal ring and covering with paint or varnish, described in the root covered with paint or varnish be also provided with annular impurity groove.
Further, described fixedly outer shroud is threaded connection the inwall that is fixed on described cylinder body, is provided with for supporting the first block of described fixedly outer shroud on the inwall of described cylinder body.
Further, in described cylinder body, be also provided with for limiting the annular gland of described fixedly outer shroud relative displacement.
Further, described bearing inner ring is ring in ball bearing.
Further, described strut is a plurality of, and described strut is symmetrically distributed between described fixedly outer shroud and the top of bearing inner ring and between bottom.
Further, the top of described impurity groove is provided with annular impurity enclosing cover, is also provided with the second block for fixing described impurity enclosing cover on the inwall of described impurity groove.
Further, the diameter of described suction port is greater than the diameter of described air outlet.
Compared with prior art beneficial effect of the present invention is: comprise cylinder body, piston and piston rod, also comprise positioning ring group, positioning ring group is fixed on cylinder body inner piston rod one side, positioning ring group comprises fixedly outer shroud, bearing inner ring and strut, fixedly outer shroud is fixed on the inwall of cylinder body, bearing inner ring is sleeved on piston rod, and the two ends of strut are fixedly connected on respectively fixedly on outer shroud and bearing inner ring; The end of cylinder body is provided with axis hole, suction port and air outlet, and suction port and air outlet are respectively arranged with suction port one-way valve and air outlet one-way valve, is also provided with filtrating equipment on suction port; On cylinder body, be positioned at axis hole place and be disposed with from the inside to the outside elastic seal ring and cover with paint or varnish, the root of covering with paint or varnish is also provided with annular impurity groove; Like this, by positioning ring group, can effectively guarantee that the axle center of piston rod is not offset, can excessively not increase frictional force simultaneously, suction port and air outlet can guarantee the inlet and outlet of gas and cylinder body effectively, by suction port setting separated with air outlet, be because intake velocity is conventionally not identical with the speed of giving vent to anger, too fast intake velocity will cause filtrating equipment to be difficult to effective filtered air, and the diameter of suction port is greater than the diameter of air outlet conventionally; Cover with paint or varnish the sliding capability that has not only guaranteed piston rod, automatically lubricant oil is added on piston rod and bearing inner ring on, can brush the impurity on lower piston rod simultaneously, impurity will be brushed to impurity groove, is convenient to cleaning.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, Novel hydraulic cylinder of the present invention, comprise cylinder body 1, piston 2 and piston rod 3, also comprise positioning ring group, positioning ring group is fixed on cylinder body inner piston rod one side, and positioning ring group comprises fixedly outer shroud 4, bearing inner ring 6 and strut 5, and fixedly outer shroud 4 is fixed on the inwall of cylinder body 1, bearing inner ring 6 is sleeved on piston rod 3, and the two ends of strut 5 are fixedly connected on respectively fixedly on outer shroud 4 and bearing inner ring 6; The end of cylinder body 1 is provided with axis hole, suction port 8 and air outlet 9, and suction port 8 and air outlet 9 are respectively arranged with suction port one-way valve 10 and air outlet one-way valve 11, is also provided with filtrating equipment 12 on suction port 8; On cylinder body 1, be positioned at axis hole place and be disposed with from the inside to the outside elastic seal ring 13 and cover with paint or varnish 14, cover with paint or varnish 14 root and be also provided with annular impurity groove 15; Like this, by positioning ring group, can effectively guarantee that the axle center of piston rod is not offset, can excessively not increase frictional force simultaneously, suction port and air outlet can guarantee the inlet and outlet of gas and cylinder body effectively, by suction port setting separated with air outlet, be because intake velocity is conventionally not identical with the speed of giving vent to anger, too fast intake velocity will cause filtrating equipment to be difficult to effective filtered air, and the diameter of suction port is greater than the diameter of air outlet conventionally; Cover with paint or varnish the sliding capability that has not only guaranteed piston rod, automatically lubricant oil is added on piston rod and bearing inner ring on, can brush the impurity on lower piston rod simultaneously, impurity will be brushed to impurity groove, is convenient to cleaning.
Novel hydraulic cylinder of the present invention, fixedly outer shroud 4 is threaded connection the inwall that is fixed on cylinder body 1, is provided with for supporting fixedly the first block 17 of outer shroud 4 on the inwall of cylinder body 1.
Novel hydraulic cylinder of the present invention, is also provided with in cylinder body 1 for limiting the fixedly annular gland 7 of outer shroud 4 relative displacements.
Novel hydraulic cylinder of the present invention, bearing inner ring 6 is ring in ball bearing.
Novel hydraulic cylinder of the present invention, strut 5 is a plurality of, strut 5 is symmetrically distributed in fixedly between outer shroud 4 and the top of bearing inner ring 6 and between bottom; Employing strut connects, and can utilize strut guaranteeing, under the prerequisite of support effect, to reduce the quality of positioning ring group simultaneously, and also convenient operation screws positioning ring group to cylinder body inwall.
Novel hydraulic cylinder of the present invention, the top of impurity groove 15 is provided with annular impurity enclosing cover 16, is also provided with for fixing the second block 18 of impurity enclosing cover 16 on the inwall of impurity groove 15.
Novel hydraulic cylinder of the present invention, the diameter of suction port 8 is greater than the diameter of air outlet 9.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (7)
1. a Novel hydraulic cylinder, comprise cylinder body, piston and piston rod, it is characterized in that, also comprise positioning ring group, described positioning ring group is fixed on described cylinder body inner piston rod one side, and described positioning ring group comprises fixedly outer shroud, bearing inner ring and strut, and described fixedly outer shroud is fixed on the inwall of described cylinder body, described bearing inner ring is sleeved on described piston rod, and the two ends of described strut are fixedly connected on respectively on described fixedly outer shroud and bearing inner ring; The end of described cylinder body is provided with axis hole, suction port and air outlet, and described suction port and air outlet are respectively arranged with suction port one-way valve and air outlet one-way valve, is also provided with filtrating equipment on described suction port; On described cylinder body, be positioned at axis hole place and be disposed with from the inside to the outside elastic seal ring and covering with paint or varnish, described in the root covered with paint or varnish be also provided with annular impurity groove.
2. Novel hydraulic cylinder as claimed in claim 1, is characterized in that, described fixedly outer shroud is threaded connection the inwall that is fixed on described cylinder body, is provided with for supporting the first block of described fixedly outer shroud on the inwall of described cylinder body.
3. Novel hydraulic cylinder as claimed in claim 1, is characterized in that, is also provided with for limiting the annular gland of described fixedly outer shroud relative displacement in described cylinder body.
4. Novel hydraulic cylinder as claimed in claim 1, is characterized in that, described bearing inner ring is ring in ball bearing.
5. Novel hydraulic cylinder as claimed in claim 1, is characterized in that, described strut is a plurality of, and described strut is symmetrically distributed between described fixedly outer shroud and the top of bearing inner ring and between bottom.
6. Novel hydraulic cylinder as claimed in claim 1, is characterized in that, the top of described impurity groove is provided with annular impurity enclosing cover, is also provided with the second block for fixing described impurity enclosing cover on the inwall of described impurity groove.
7. Novel hydraulic cylinder as claimed in claim 1, is characterized in that, the diameter of described suction port is greater than the diameter of described air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310614894.9A CN103591079B (en) | 2013-11-28 | 2013-11-28 | Novel hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310614894.9A CN103591079B (en) | 2013-11-28 | 2013-11-28 | Novel hydraulic cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103591079A true CN103591079A (en) | 2014-02-19 |
| CN103591079B CN103591079B (en) | 2016-05-04 |
Family
ID=50081351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310614894.9A Expired - Fee Related CN103591079B (en) | 2013-11-28 | 2013-11-28 | Novel hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103591079B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883584A (en) * | 2014-04-16 | 2014-06-25 | 张振宇 | Heavy duty rotation composite multi-reciprocating cylinder device |
| CN107795543A (en) * | 2017-10-23 | 2018-03-13 | 西南交通大学 | A kind of steel arch-shelf for soft rock large deformation and release can component and steel arch frame construction method |
| CN112377484A (en) * | 2020-11-16 | 2021-02-19 | 江苏昊阳传动科技有限公司 | Anti-shaking quick pressurizing crane oil cylinder |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131507A (en) * | 1990-09-20 | 1992-05-06 | Mitsubishi Heavy Ind Ltd | Hydraulic cylinder |
| JPH04133005U (en) * | 1991-05-30 | 1992-12-10 | エヌオーケー株式会社 | actuator |
| US5577433A (en) * | 1995-09-06 | 1996-11-26 | Henry; Michael F. | Regulated speed linear actuator |
| CN1317650A (en) * | 2000-04-11 | 2001-10-17 | 速睦喜股份有限公司 | Cylinder with guide implement |
| CN2708021Y (en) * | 2004-03-02 | 2005-07-06 | 华南理工大学 | Precise rotary oil cylinder |
| CN101163891A (en) * | 2005-04-22 | 2008-04-16 | 费斯托合资公司 | Drive device comprising a position controller |
| CN202707682U (en) * | 2012-05-14 | 2013-01-30 | 宁波市爱托普气动液压有限公司 | Solid-interior single-piston pressure-maintaining rotary oil cylinder |
| CN203627399U (en) * | 2013-11-28 | 2014-06-04 | 苏州蓝王机床工具科技有限公司 | Novel hydraulic oil cylinder |
-
2013
- 2013-11-28 CN CN201310614894.9A patent/CN103591079B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131507A (en) * | 1990-09-20 | 1992-05-06 | Mitsubishi Heavy Ind Ltd | Hydraulic cylinder |
| JPH04133005U (en) * | 1991-05-30 | 1992-12-10 | エヌオーケー株式会社 | actuator |
| US5577433A (en) * | 1995-09-06 | 1996-11-26 | Henry; Michael F. | Regulated speed linear actuator |
| CN1317650A (en) * | 2000-04-11 | 2001-10-17 | 速睦喜股份有限公司 | Cylinder with guide implement |
| CN2708021Y (en) * | 2004-03-02 | 2005-07-06 | 华南理工大学 | Precise rotary oil cylinder |
| CN101163891A (en) * | 2005-04-22 | 2008-04-16 | 费斯托合资公司 | Drive device comprising a position controller |
| CN202707682U (en) * | 2012-05-14 | 2013-01-30 | 宁波市爱托普气动液压有限公司 | Solid-interior single-piston pressure-maintaining rotary oil cylinder |
| CN203627399U (en) * | 2013-11-28 | 2014-06-04 | 苏州蓝王机床工具科技有限公司 | Novel hydraulic oil cylinder |
Non-Patent Citations (1)
| Title |
|---|
| 秦霞: "水利施工中发动机偏缸的处理", 《黑龙江水利科技》, vol. 36, no. 5, 31 May 2008 (2008-05-31), pages 60 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883584A (en) * | 2014-04-16 | 2014-06-25 | 张振宇 | Heavy duty rotation composite multi-reciprocating cylinder device |
| CN107795543A (en) * | 2017-10-23 | 2018-03-13 | 西南交通大学 | A kind of steel arch-shelf for soft rock large deformation and release can component and steel arch frame construction method |
| CN112377484A (en) * | 2020-11-16 | 2021-02-19 | 江苏昊阳传动科技有限公司 | Anti-shaking quick pressurizing crane oil cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103591079B (en) | 2016-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103591079B (en) | Novel hydraulic cylinder | |
| EP2944815A3 (en) | Air compressor of weight-reduction type | |
| CN205277699U (en) | Wind generating set's bearing seal filtration and aerogenerator | |
| CN203627399U (en) | Novel hydraulic oil cylinder | |
| CN203670949U (en) | Safety valve convenient to adjust | |
| CN207951879U (en) | Vertical automatic glue spreaders | |
| CN104358735B (en) | A kind of lifting hydraulic jack | |
| CN202338639U (en) | Main-shaft waterproof mechanism | |
| CN205297899U (en) | From clean vacuum oil pump | |
| CN203796630U (en) | Water-ring vacuum pump | |
| CN104455357A (en) | Bearing lubricating device | |
| CN205835719U (en) | A kind of packing seal structure on vacuum kneader | |
| CN204025113U (en) | Industrial fan | |
| CN109927889A (en) | A kind of military aircraft main landing gear | |
| CN206972650U (en) | A kind of cylinder with lubricant effect | |
| CN207996706U (en) | A kind of coal mill draw bar sealing device | |
| CN102900941B (en) | Filtering cover capable of preventing vacuum area from absorbing smoke outwards | |
| CN207521755U (en) | A kind of valve drilling equipment of stable connection | |
| CN205892726U (en) | Quick filling equipment | |
| CN205714924U (en) | A kind of anti-jamming sealed rotor | |
| CN204437273U (en) | A kind of lip-shaped sealed ring for running shaft | |
| CN203879838U (en) | Air floatation cylinder device | |
| CN205876637U (en) | Novel clutch pump | |
| CN204371192U (en) | A kind of oil pumping machine well head packing box | |
| CN205400940U (en) | Level four air cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Changhui Inventor before: Sun Shengqiang |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170707 Address after: 221011 Jiangsu city of Xuzhou province Wu Jiawang District Industrial Park Area No. 10 Patentee after: Xuzhou Hao Sheng Machinery Manufacturing Co., Ltd Address before: Suzhou City, Jiangsu Province, 215163 Branch Road, Science City high tech Zone No. 18 B building 3 floor glass room Patentee before: Suzhou Lanwang Machine Tool Science & Technology Co., Ltd. |
|
| 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: 20160504 Termination date: 20191128 |