CN202851516U - Hydrocylinder with novel structure - Google Patents
Hydrocylinder with novel structure Download PDFInfo
- Publication number
- CN202851516U CN202851516U CN 201220562659 CN201220562659U CN202851516U CN 202851516 U CN202851516 U CN 202851516U CN 201220562659 CN201220562659 CN 201220562659 CN 201220562659 U CN201220562659 U CN 201220562659U CN 202851516 U CN202851516 U CN 202851516U
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- piston rod
- built
- oil
- cylinder barrel
- cylinder
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Abstract
Disclosed is a hydrocylinder with a novel structure. The hydrocylinder with the novel structure comprises a cylinder barrel, piston rods arranged on the cylinder barrel and an oil cylinder front cover and an oil cylinder back cover which are connected with the front end of the cylinder barrel and the back end of the cylinder barrel. The piston rods comprise a built-in piston rod and a built-out piston rod, wherein an oil channel is formed inside the built-in piston rod, and the built-out piston rod is sleeved on the built-in piston rod. An inner cavity communicated with the oil channel is formed inside the built-out piston rod. An end portion of the built-in piston rod is provided with an inner oil inlet communicated with the oil channel. A built-in oil cylinder cover is arranged on the bottom of the built-out piston rod, and the built-in oil cylinder cover is arranged inside the cavity of the cylinder barrel. The hydrocylinder with the novel structure is novel in structure, output pressure is easy to adjust, and using is more flexible. When light pressure is needed to be output, the inner oil inlet is used to provide oil pressure for the inner cavity of the built-out piston rod singly. Due to the fact that size of the inner cavity is small, acting speed is fast, and output power of an oil pump which matches with hydrocylinder is reduced, and therefore energy is saved.
Description
Technical field
The utility model relates to a kind of hydraulic jack, specifically refers to a kind of hydraulic jack of novel structure.
Background technique
Hydraulic jack is widely used in the fields such as auto repair, engineering machinery, working machine and foundry machinery, under loading condition, often requires hydraulic jack accurately location or smooth running under buffer function.
With reference to accompanying drawing 2.Existing hydraulic jack comprises cylinder barrel 1, is installed in the piston rod 2 in the cylinder barrel 1 and oil cylinder protecgulum 3 and the oil cylinder bonnet 4 that is connected in cylinder barrel 1 forward and backward two ends, this oil cylinder bonnet 4 is provided with for the filler opening 40 that supplies oil pressure to cylinder barrel 1 inner cavity chamber, and the front end of described cylinder barrel 1 is provided with the oil outlet 10 of pressing for oil extraction.Existing cylinder barrel 1 great majority designs for single cylinder, and the chamber in it is single, and the delivery pressure size is not easy to adjusting, underaction, and the piston rod speed of doing work is slow, the particularly hydraulic jack of large specification.
The model utility content
The utility model provides a kind of hydraulic jack of novel structure, slow-footed shortcoming that the delivery pressure size that its main purpose is to overcome existing hydraulic jack is not easy to regulate and piston rod does work.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of hydraulic jack of novel structure, the oil cylinder protecgulum and the oil cylinder bonnet that comprise cylinder barrel, be assemblied in the piston rod on the cylinder barrel and be connected in the forward and backward two ends of cylinder barrel, described piston rod is formed asphalt channel by inside built-in piston rod consists of with the external piston rod that is sheathed on the built-in piston rod, this external piston rod is inner to form the inner cavity chamber that is connected with asphalt channel, the end of described built-in piston rod is provided with the interior filler opening that is connected with asphalt channel, the bottom of described external piston rod is equipped with a built-in oil cylinder cover, and this built-in oil cylinder cover is arranged in the chamber of cylinder barrel.
Further, be covered with first, second oil circuit mouth that two-way is communicated with the chamber of cylinder barrel behind the described oil cylinder; The front end of described cylinder barrel is provided with the oil outlet of pressing for oil extraction.
Further, the top of described external piston rod is equipped with an adpting flange.
By above-mentioned description to the utility model structure as can be known, be compared with existing technology, the utlity model has following advantage: the structural design of this hydraulic jack is novel, and the delivery pressure size is convenient to regulate, and uses more flexible.If when needing the little pressure of output, for oil pressure, because its inner cavity chamber's volume is little, its acting speed is fast, and has reduced the output power of the oil pump that cooperates with hydraulic jack, thereby saves energy-conservation to the inner cavity chamber of outer piston bar for filler opening in utilizing separately; If when needing the large pressure of output, switch to the first oil circuit mouth on the oil cylinder bonnet to the chamber of cylinder barrel for oil pressure, the exportable larger pressure of outer piston bar, perhaps interior filler opening and the first oil circuit mouth supply oil pressure to the chamber of inner cavity chamber and cylinder barrel respectively simultaneously, the exportable larger pressure of outer piston bar is satisfied the demand and is exported the needs of large pressure like this.
Description of drawings
Fig. 1 is schematic representation of the present utility model.
Fig. 2 is the schematic representation of existing hydraulic jack.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.
With reference to Fig. 1.A kind of hydraulic jack of novel structure, comprise cylinder barrel 1, before being assemblied in the piston rod on the cylinder barrel 1 and being connected in cylinder barrel 1, the oil cylinder protecgulum 3 at rear two ends and oil cylinder bonnet 4, described piston rod forms the built-in piston rod 20 of asphalt channel 200 by inside and the external piston rod 21 that is sheathed on the built-in piston rod 20 consists of, this external piston rod 21 is inner to form the inner cavity chamber 210 that is connected with asphalt channel 200, the end of described built-in piston rod 20 is provided with the interior filler opening 201 that is connected with asphalt channel 200, the bottom of described external piston rod 21 is equipped with a built-in oil cylinder cover 22, and this built-in oil cylinder cover 22 is arranged in the chamber 10 of cylinder barrel 1.
With reference to Fig. 1.Described oil cylinder bonnet 4 is provided with the first oil circuit mouth 40 and the second oil circuit mouth 41 that two-way is communicated with the chamber 10 of cylinder barrel 1, this the first oil circuit mouth 41 is for oil pressure to the chamber 10 of cylinder barrel 1, this the second oil circuit mouth 41 is used for to chamber 10 supply oil masses, makes external piston rod 21 actings more steady; The front end of described cylinder barrel 1 is provided with the oil outlet 11 of pressing for oil extraction; The top of described external piston rod 21 is equipped with an adpting flange 5.
Above-mentioned only is embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (3)
1. the hydraulic jack of a novel structure, comprise cylinder barrel, before being assemblied in the piston rod on the cylinder barrel and being connected in cylinder barrel, the oil cylinder protecgulum at rear two ends and oil cylinder bonnet, it is characterized in that: described piston rod is formed asphalt channel by inside built-in piston rod consists of with the external piston rod that is sheathed on the built-in piston rod, this external piston rod is inner to form the inner cavity chamber that is connected with asphalt channel, the end of described built-in piston rod is provided with the interior filler opening that is connected with asphalt channel, the bottom of described external piston rod is equipped with a built-in oil cylinder cover, and this built-in oil cylinder cover is arranged in the chamber of cylinder barrel.
2. a kind of hydraulic jack of novel structure as claimed in claim 1 is characterized in that: be covered with first, second filler opening that two-way is communicated with the chamber of cylinder barrel behind the described oil cylinder; The front end of described cylinder barrel is provided with the oil outlet of pressing for oil extraction.
3. a kind of hydraulic jack of novel structure as claimed in claim 1 or 2, it is characterized in that: the top of described external piston rod is equipped with an adpting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220562659 CN202851516U (en) | 2012-10-30 | 2012-10-30 | Hydrocylinder with novel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220562659 CN202851516U (en) | 2012-10-30 | 2012-10-30 | Hydrocylinder with novel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851516U true CN202851516U (en) | 2013-04-03 |
Family
ID=47982723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220562659 Expired - Fee Related CN202851516U (en) | 2012-10-30 | 2012-10-30 | Hydrocylinder with novel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202851516U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267041A (en) * | 2013-05-31 | 2013-08-28 | 潍坊亿宏重工机械有限公司 | Constant pressure oil cylinder |
| CN104863924A (en) * | 2015-05-24 | 2015-08-26 | 南京理工大学 | Three-cavity power hydraulic cylinder |
| CN114352604A (en) * | 2022-01-13 | 2022-04-15 | 四川鼎鸿智电装备科技有限公司 | Efficient energy-saving oil cylinder and engineering equipment |
-
2012
- 2012-10-30 CN CN 201220562659 patent/CN202851516U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267041A (en) * | 2013-05-31 | 2013-08-28 | 潍坊亿宏重工机械有限公司 | Constant pressure oil cylinder |
| CN103267041B (en) * | 2013-05-31 | 2016-02-03 | 潍坊亿宏重工机械有限公司 | Constant pressure oil cylinder |
| CN104863924A (en) * | 2015-05-24 | 2015-08-26 | 南京理工大学 | Three-cavity power hydraulic cylinder |
| CN114352604A (en) * | 2022-01-13 | 2022-04-15 | 四川鼎鸿智电装备科技有限公司 | Efficient energy-saving oil cylinder and engineering equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20191030 |