CN205401293U - Water -cooled hydraulic cylinder - Google Patents
Water -cooled hydraulic cylinder Download PDFInfo
- Publication number
- CN205401293U CN205401293U CN201620047446.4U CN201620047446U CN205401293U CN 205401293 U CN205401293 U CN 205401293U CN 201620047446 U CN201620047446 U CN 201620047446U CN 205401293 U CN205401293 U CN 205401293U
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- cylinder body
- piston
- piston rod
- water
- overcoat
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Abstract
The utility model provides a water -cooled hydraulic cylinder, includes cylinder body, piston, piston rod and overcoat, including cylinder body, piston, piston rod and overcoat, the cylinder body outward appearance is equipped with a plurality of annular radiating groove, the cylinder body outside is equipped with the overcoat, be equipped with the liquid cooling chamber between overcoat and the cylinder body, the inside piston that is equipped with of cylinder body, be equipped with the piston rod on the piston, the piston rod outside of piston top is equipped with the tray, the tray upper end is equipped with the blotter, be equipped with buffer spring between blotter and the tray, the cylinder body upper end is equipped with fixed cover, be equipped with holding ring group in the fixed cover, holding ring group is by fixed outer loop, bracing piece and bearing inner ring constitute, bearing inner ring hugs closely the piston rod, fixed outer loop is fixed at fixed cover inner wall, be equipped with the bracing piece between location outer loop and the bearing inner ring, the utility model is simple and reasonable in structure, long service life, device utilize liquid cooling to dispel the heat to the high temperature cylinder body, the very big improvement of the radiating mode of this kind of initiative the heat dispersion of device.
Description
Technical field
This utility model relates to technical field of hydraulic oil cylinder, specifically a kind of water-cooled hydraulic jack.
Background technology
It is known that hydraulic jack be a kind of mechanical energy that hydraulic energy is converted to reach the device of machine driving purpose, be widely used in mechanical field；nullExisting hydraulic jack，Generally include cylinder body、Piston and piston rod，Hydraulic oil flows in and out to promote piston to move back and forth in cylinder body in cylinder body，Piston rod is connected on piston，In order to reduce frictional force，The diameter of piston rod is typically smaller than the diameter of piston，In use，Utility model people finds that the axle center of cylinder body is easily deviateed in the axle center of piston rod under gravity，Simultaneously because the reciprocating motion of piston makes gas ceaselessly pass in and out the piston side of cylinder body，The gas comprising 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，The all parts simultaneously easily worn and torn in cylinder body，Reduce service life，Increase plant maintenance number of times，And conventional hydraulic oil cylinder heat dispersion is poor，When piston back and forth movement in hydraulic jack，Between piston and hydraulic cylinder, the frictional force of part can produce heat，And when oil liquid temperature raises，In fluid, the dissolubility of gas reduces，And then bubbing，And then the problem causing hydraulic cylinder power shakiness，And the hydraulic cylinder life under hot soak condition also shortens.
Utility model content
The purpose of this utility model is in that to provide a kind of water-cooled hydraulic jack, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
nullA kind of water-cooled hydraulic jack，Including cylinder body、Piston、Piston rod and overcoat，Including cylinder body、Piston、Piston rod and overcoat，Described cylinder body appearance is provided with several circular radiating grooves，Overcoat it is provided with outside cylinder body，Water-cooling chamber it is provided with between overcoat and cylinder body，It is provided with outside overcoat and changes the mouth of a river，Cylinder interior is provided with piston，Piston is provided with piston rod，It is provided with tray outside piston rod above piston，Tray upper end is provided with cushion pad，Buffer spring it is provided with between cushion pad and tray，Described cylinder body left upper end is provided with air inlet，Air inlet is provided with intake valve，Intake valve is provided with drainage screen，Cylinder body upper right side is provided with gas outlet，Gas outlet is provided with air outlet valve，Air outlet valve and intake valve are all check valve，Cylinder body upper end is provided with fixing cover，It is provided with locating ring group in fixing cover，Locating ring group is by fixing outer shroud、Support bar and bearing inner ring are constituted，Bearing inner ring is close to piston rod，Fixing outer shroud is fixed on fixing cover inwall，It is provided with support bar between location outer shroud and bearing inner ring.
As further program of the utility model: described tray is fixed by welding on piston rod.
As further program of the utility model: described water-cooling chamber is filled with temperature-reducing medium water.
As further program of the utility model: described air outlet valve and intake valve are all check valve.
As further program of the utility model: the diameter of described air inlet is more than the diameter of gas outlet.
As further program of the utility model: described fixing cover is bolted on outside cylinder body.
nullCompared with prior art，The beneficial effects of the utility model are: this utility model by being provided with the circular radiating groove of several spaced sets in cylinder body appearance，Radiating groove grooved is rectangle，The effect of radiating groove is the area of dissipation increasing cylinder surface，And then improve the heat dispersion of cylinder body，Thus extension fixture continuous working period，Cylinder body upper end is provided with fixing cover，Fixing cover is bolted on outside cylinder body，It is provided with locating ring group in fixing cover，Locating ring group is by fixing outer shroud、Support bar and bearing inner ring are constituted，Bearing inner ring is close to piston rod，Fixing outer shroud is fixed on fixing cover inwall，It is provided with support bar between location outer shroud and bearing inner ring，So can effectively ensure that the axle center of piston rod does not offset by locating ring group，Will not excessively increase frictional force simultaneously，And fix cover and be arranged on outside cylinder body，Thus facilitate the maintenance in staff's later stage，It is provided with tray outside piston rod above piston，Tray is fixed by welding on piston rod，Tray upper end is provided with cushion pad，Buffer spring it is provided with between cushion pad and tray，Cushion pad、The effect of buffer spring and tray is the movement travel of restriction piston rod，Thus reducing the piston rod impact to cylinder body 1，And then improve the service life of device，Additionally device is provided with drainage screen in the intake valve of air inlet，Thus avoiding the impurity in air to enter in device，Thus improving the service life of device further，This utility model simple in construction、Rationally、Long service life，Device utilizes water-cooling that high temperature cylinder body is dispelled the heat，The mode of this active heat removal greatly improves the heat dispersion of device.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: cylinder body 1, radiating groove 2, piston 3, cushion pad 4, buffer spring 5, tray 6, intake valve 7, air inlet 8, fixing outer shroud 9, support bar 10, bearing inner ring 11, piston rod 12, fixing cover 13, air outlet valve 14, gas outlet 15, water-cooling chamber 16, overcoat 17, change the mouth of a river 18.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of water-cooled hydraulic jack，Including cylinder body 1、Piston 3、Piston rod 12 and overcoat 17，Described cylinder body 1 appearance is provided with the circular radiating groove 2 of several spaced sets，Radiating groove 2 grooved is rectangle，The effect of radiating groove 2 is the area of dissipation increasing cylinder body 1 surface，And then improve the heat dispersion of cylinder body，Overcoat 17 it is provided with outside cylinder body 1，Water-cooling chamber 16 it is provided with between overcoat 17 and cylinder body 1，Water-cooling chamber 16 is filled with temperature-reducing medium water，It is provided with outside overcoat 17 and changes the mouth of a river 18，The effect changing the mouth of a river 18 is to change the high-temperature water in water-cooling chamber 16，In time the heat on cylinder body 1 surface is taken away，Thus avoiding working under cylinder body hot soak condition，Thus improve the service life of device，Cylinder body 1 is internal is provided with piston 3，Piston 3 is provided with piston rod 12，It is provided with tray 4 outside piston rod 12 above piston 3，Tray 4 is fixed by welding on piston rod 12，Tray 4 upper end is provided with cushion pad 6，Buffer spring 5 it is provided with between cushion pad 6 and tray 4，Cushion pad 6、The effect of buffer spring 5 and tray 4 is the movement travel of restriction piston rod 12，Thus reducing the piston rod 12 impact to cylinder body 1，And then improve the service life of device，Described cylinder body 1 left upper end is provided with air inlet 8，Air inlet 8 is provided with intake valve 7，Intake valve 7 is provided with drainage screen，The effect of drainage screen is to remove the impurity in air inlet，Cylinder body 1 upper right side is provided with gas outlet 15，Gas outlet 15 is provided with air outlet valve 14，Air outlet valve 14 and intake valve 7 are all check valve，The diameter of air inlet 8 is more than the diameter of gas outlet 15，Air inlet 8 and gas outlet 15 can ensure the inlet and outlet of gas and cylinder body effectively，By separately positioned to air inlet and gas outlet be owing to intake velocity and speed of giving vent to anger generally and differ，Too fast intake velocity will cause that defecator was difficult to air filtering，Cylinder body 1 upper end is provided with fixing cover 13，Fixing cover 13 is bolted on outside cylinder body 1，It is provided with locating ring group in fixing cover 13，Locating ring group is by fixing outer shroud 9、Support bar 10 and bearing inner ring 11 are constituted，Bearing inner ring 11 is close to piston rod 12，Fixing outer shroud 9 is fixed on fixing cover 13 inwalls，It is provided with support bar 10 between location outer shroud 9 and bearing inner ring 11，So can effectively ensure that the axle center of piston rod does not offset by locating ring group，Will not excessively increase frictional force simultaneously，And fix cover 13 and be arranged on outside cylinder body 1，Thus facilitate the maintenance in staff's later stage.
nullOperation principle of the present utility model is: this utility model by being provided with the circular radiating groove of several spaced sets in cylinder body appearance，Radiating groove grooved is rectangle，The effect of radiating groove is the area of dissipation increasing cylinder surface，And then improve the heat dispersion of cylinder body，Thus extension fixture continuous working period，Cylinder body upper end is provided with fixing cover，Fixing cover is bolted on outside cylinder body，It is provided with locating ring group in fixing cover，Locating ring group is by fixing outer shroud、Support bar and bearing inner ring are constituted，Bearing inner ring is close to piston rod，Fixing outer shroud is fixed on fixing cover inwall，It is provided with support bar between location outer shroud and bearing inner ring，So can effectively ensure that the axle center of piston rod does not offset by locating ring group，Will not excessively increase frictional force simultaneously，And fix cover and be arranged on outside cylinder body，Thus facilitate the maintenance in staff's later stage，It is provided with tray outside piston rod above piston，Tray is fixed by welding on piston rod，Tray upper end is provided with cushion pad，Buffer spring it is provided with between cushion pad and tray，Cushion pad、The effect of buffer spring and tray is the movement travel of restriction piston rod，Thus reducing the piston rod impact to cylinder body 1，And then improve the service life of device，Additionally device is provided with drainage screen in the intake valve of air inlet，Thus avoiding the impurity in air to enter in device，Thus improving the service life of device further.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when without departing substantially from spirit of the present utility model or basic feature, it is possible to realize this utility model in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in this utility model.Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
- null1. a water-cooled hydraulic jack，Including cylinder body、Piston、Piston rod and overcoat，It is characterized in that，Described cylinder body appearance is provided with several circular radiating grooves，Overcoat it is provided with outside cylinder body，Water-cooling chamber it is provided with between overcoat and cylinder body，It is provided with outside overcoat and changes the mouth of a river，Cylinder interior is provided with piston，Piston is provided with piston rod，It is provided with tray outside piston rod above piston，Tray upper end is provided with cushion pad，Buffer spring it is provided with between cushion pad and tray，Described cylinder body left upper end is provided with air inlet，Air inlet is provided with intake valve，Intake valve is provided with drainage screen，Cylinder body upper right side is provided with gas outlet，Gas outlet is provided with air outlet valve，Air outlet valve and intake valve are all check valve，Cylinder body upper end is provided with fixing cover，It is provided with locating ring group in fixing cover，Locating ring group is by fixing outer shroud、Support bar and bearing inner ring are constituted，Bearing inner ring is close to piston rod，Fixing outer shroud is fixed on fixing cover inwall，It is provided with support bar between location outer shroud and bearing inner ring.
- 2. a kind of water-cooled hydraulic jack according to claim 1, it is characterised in that described tray is fixed by welding on piston rod.
- 3. a kind of water-cooled hydraulic jack according to claim 1, it is characterised in that described water-cooling chamber is filled with temperature-reducing medium water.
- 4. a kind of water-cooled hydraulic jack according to claim 1, it is characterised in that described air outlet valve and intake valve are all check valve.
- 5. a kind of water-cooled hydraulic jack according to claim 1, it is characterised in that the diameter of described air inlet is more than the diameter of gas outlet.
- 6. a kind of water-cooled hydraulic jack according to claim 1, it is characterised in that described fixing cover is bolted on outside cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047446.4U CN205401293U (en) | 2016-01-07 | 2016-01-07 | Water -cooled hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047446.4U CN205401293U (en) | 2016-01-07 | 2016-01-07 | Water -cooled hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401293U true CN205401293U (en) | 2016-07-27 |
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ID=56449949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620047446.4U Expired - Fee Related CN205401293U (en) | 2016-01-07 | 2016-01-07 | Water -cooled hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401293U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734489A (en) * | 2016-12-27 | 2017-05-31 | 重庆维庆液压机械有限公司 | Stamping machine cylinder structure |
| CN107255099A (en) * | 2017-05-25 | 2017-10-17 | 廖辉 | Hydraulic cylinder |
| CN108506271A (en) * | 2018-03-29 | 2018-09-07 | 重庆维庆液压机械有限公司 | Hydraulic cylinder with automatic cooling effect |
| CN115111235A (en) * | 2022-06-27 | 2022-09-27 | 北京航天发射技术研究所 | Manual and pneumatic dual-purpose connector locking and dropping mechanism |
| CN116950953A (en) * | 2023-08-03 | 2023-10-27 | 无锡市普亚机械制造有限公司 | Safety type hydraulic cylinder with leakage prevention function |
-
2016
- 2016-01-07 CN CN201620047446.4U patent/CN205401293U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734489A (en) * | 2016-12-27 | 2017-05-31 | 重庆维庆液压机械有限公司 | Stamping machine cylinder structure |
| CN106734489B (en) * | 2016-12-27 | 2018-05-01 | 重庆维庆液压机械有限公司 | Press machine cylinder structure |
| CN107255099A (en) * | 2017-05-25 | 2017-10-17 | 廖辉 | Hydraulic cylinder |
| CN108506271A (en) * | 2018-03-29 | 2018-09-07 | 重庆维庆液压机械有限公司 | Hydraulic cylinder with automatic cooling effect |
| CN108506271B (en) * | 2018-03-29 | 2019-12-03 | 重庆维庆液压机械有限公司 | Hydraulic cylinder with automatic cooling effect |
| CN115111235A (en) * | 2022-06-27 | 2022-09-27 | 北京航天发射技术研究所 | Manual and pneumatic dual-purpose connector locking and dropping mechanism |
| CN115111235B (en) * | 2022-06-27 | 2024-03-05 | 北京航天发射技术研究所 | Manual and pneumatic connector locking and falling mechanism |
| CN116950953A (en) * | 2023-08-03 | 2023-10-27 | 无锡市普亚机械制造有限公司 | Safety type hydraulic cylinder with leakage prevention function |
| CN116950953B (en) * | 2023-08-03 | 2024-03-22 | 李振中 | Safety type hydraulic cylinder with leakage prevention function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20190107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |