CN214661199U - Hydraulic cylinder - Google Patents
Hydraulic cylinder Download PDFInfo
- Publication number
- CN214661199U CN214661199U CN202023032012.2U CN202023032012U CN214661199U CN 214661199 U CN214661199 U CN 214661199U CN 202023032012 U CN202023032012 U CN 202023032012U CN 214661199 U CN214661199 U CN 214661199U
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- China
- Prior art keywords
- cylinder
- oil
- piston
- oil inlet
- piston rod
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- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 52
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 208000004350 Strabismus Diseases 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic cylinder, including the cylinder, be equipped with the piston rod in the cylinder, be equipped with the spacing ring on the cylinder lateral wall at piston rod middle part, be equipped with the oil leak through-hole on the spacing ring, the bottom of piston rod is equipped with the piston, and the piston bottom is the cylinder bottom of cylinder, is equipped with the bottom oil inlet on the cylinder bottom, is connected with a plurality of branch's oil circuit on the bottom oil inlet, and branch's oil circuit is radial connection between piston bottom and bottom oil inlet. This application is through the branch oil circuit that is equipped with in the piston lower part, can be effective quick get into hydraulic oil fast, can reduce inside damage again when effectively improving the work efficiency of pneumatic cylinder, the life of extension pneumatic cylinder, and the position that the spacing ring effectively kept the piston rod does not squint, and the circulation of hydraulic oil can be guaranteed to the through-hole on it simultaneously.
Description
Technical Field
The utility model relates to a hydraulic pressure executive component equipment technical field specifically is a pneumatic cylinder.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). When the reciprocating motion is realized by using the hydraulic cylinder, a speed reducing device can be omitted, no transmission gap exists, and the reciprocating motion is stable, so the hydraulic cylinder is widely applied to hydraulic systems of various machines, the prior hydraulic cylinder has low working efficiency, and the internal part is easy to wear after long-time use, and therefore, the prior hydraulic cylinder needs to be improved to a certain extent.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a hydraulic cylinder.
The technical scheme of the utility model is that: the hydraulic cylinder comprises a cylinder barrel, a piston rod is arranged in the cylinder barrel, a limiting ring is arranged on the side wall of the cylinder barrel at the middle part of the piston rod, an oil leakage through hole is formed in the limiting ring, a piston is arranged at the bottom of the piston rod, the bottom of the piston is the bottom of the cylinder barrel, a bottom oil inlet is formed in the bottom of the cylinder barrel, a plurality of branch oil paths are connected to the bottom oil inlet, and the branch oil paths are radially connected between the bottom of the piston and the bottom oil inlet.
Further, a sealing ring is arranged between the piston and the cylinder barrel.
Furthermore, a first oil inlet and a second oil inlet are formed in the bottom of the cylinder barrel on two sides of the cylinder bottom, the first oil inlet and the second oil inlet are respectively connected with a first oil path and a second oil path, and the first oil path and the second oil path are communicated with the upper portion of the limiting ring.
Furthermore, the first oil inlet, the first oil path, the second oil inlet and the second oil path are symmetrical by taking the axis of the cylinder barrel as a center line.
Furthermore, the branch oil paths are sequentially arranged at positions uniformly distributed on the bottom surface of the piston.
Further, a gap is formed between the inner side wall of the limiting ring and the piston rod.
The utility model discloses an useful part: this application is through the branch oil circuit that is equipped with in the piston lower part, can be effective quick get into hydraulic oil fast, can reduce inside damage again when effectively improving the work efficiency of pneumatic cylinder, the life of extension pneumatic cylinder, and the position that the spacing ring effectively kept the piston rod does not squint, and the circulation of hydraulic oil can be guaranteed to the through-hole on it simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein: 1. the cylinder barrel, 2, a piston rod, 3, a piston, 4, a limiting ring, 5, a through hole, 6, a cylinder bottom, 7, a bottom oil inlet, 8, a branch oil way, 9, a sealing ring, 10, a first oil inlet, 11, a second oil inlet, 12, a first oil port, 13 and a second oil way.
Detailed Description
In order to deepen the understanding of the present invention, the following detailed description is given with reference to the accompanying drawings, which are only used for explaining the present invention and do not constitute a limitation to the protection scope of the present invention.
As shown in fig. 1, the hydraulic cylinder comprises a cylinder barrel 1, a piston rod 2 is arranged in the cylinder barrel 1, a limit ring 4 is arranged on the side wall of the cylinder barrel 1 at the middle part of the piston rod 2, a gap is arranged between the inner side wall of the limit ring 4 and the piston rod 2, an oil leakage through hole 5 is formed in the limit ring 4, a piston 3 is arranged at the bottom of the piston rod 2, a sealing ring 9 is arranged between the piston 3 and the cylinder barrel 1, the bottom of the piston 3 is the bottom of the cylinder barrel 1, a bottom oil inlet 7 is formed in the bottom 6, a plurality of branch oil paths 8 are connected to the bottom oil inlet 7, the branch oil paths 8 are radially connected between the bottom of the piston 3 and the bottom oil inlet 7, and the branch oil paths 8 are sequentially located at positions evenly distributed at the bottom surface of the piston 3.
The bottom of the cylinder barrel 1 on two sides of the cylinder bottom 6 is provided with a first oil inlet 10 and a second oil inlet 11, the first oil inlet 10 and the second oil inlet 11 are respectively connected with a first oil path 12 and a second oil path 13, the first oil path 12 and the second oil path 13 are communicated with the upper part of the limiting ring 4, and the first oil inlet 10, the first oil path 12, the second oil inlet 11 and the second oil path 13 are symmetrical by taking the axis of the cylinder barrel 1 as a central line.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (6)
1. The pneumatic cylinder, including the cylinder, its characterized in that: the piston cylinder is characterized in that a piston rod is arranged in the cylinder barrel, a limiting ring is arranged on the side wall of the cylinder barrel in the middle of the piston rod, an oil leakage through hole is formed in the limiting ring, a piston is arranged at the bottom of the piston rod, the bottom of the piston is the bottom of the cylinder barrel, a bottom oil inlet is formed in the bottom of the cylinder barrel, a plurality of branch oil paths are connected to the bottom oil inlet, and the branch oil paths are radially connected between the bottom of the piston and the bottom oil inlet.
2. The hydraulic cylinder of claim 1, wherein: and a sealing ring is arranged between the piston and the cylinder barrel.
3. The hydraulic cylinder of claim 1, wherein: the oil cylinder is characterized in that a first oil inlet and a second oil inlet are formed in the bottom of the cylinder barrel on two sides of the cylinder bottom, the first oil inlet and the second oil inlet are respectively connected with a first oil path and a second oil path, and the first oil path and the second oil path are communicated with the upper portion of the limiting ring.
4. The hydraulic cylinder of claim 3, wherein: the first oil inlet, the first oil path, the second oil inlet and the second oil path are symmetrical by taking the axis of the cylinder barrel as a center line.
5. The hydraulic cylinder of claim 1, wherein: the branch oil paths are sequentially arranged at positions uniformly distributed on the bottom surface of the piston.
6. The hydraulic cylinder of claim 1, wherein: a gap is arranged between the inner side wall of the limiting ring and the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023032012.2U CN214661199U (en) | 2020-12-16 | 2020-12-16 | Hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023032012.2U CN214661199U (en) | 2020-12-16 | 2020-12-16 | Hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214661199U true CN214661199U (en) | 2021-11-09 |
Family
ID=78499836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023032012.2U Expired - Fee Related CN214661199U (en) | 2020-12-16 | 2020-12-16 | Hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214661199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023176410A1 (en) * | 2022-03-18 | 2023-09-21 | Ｋｙｂ株式会社 | Fluid pressure cylinder |
-
2020
- 2020-12-16 CN CN202023032012.2U patent/CN214661199U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023176410A1 (en) * | 2022-03-18 | 2023-09-21 | Ｋｙｂ株式会社 | Fluid pressure cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20211109 |