CN212407169U - Hollow linear type oil cylinder - Google Patents
Hollow linear type oil cylinder Download PDFInfo
- Publication number
- CN212407169U CN212407169U CN202020310980.6U CN202020310980U CN212407169U CN 212407169 U CN212407169 U CN 212407169U CN 202020310980 U CN202020310980 U CN 202020310980U CN 212407169 U CN212407169 U CN 212407169U
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- China
- Prior art keywords
- piston rod
- supporting part
- cylinder
- cylinder wall
- end cover
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- Expired - Fee Related
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to a hydro-cylinder, in particular to hollow linear type hydro-cylinder. The cylinder wall comprises a cylinder wall body, a piston rod, a left end cover and a right end cover, wherein a flange is fixedly arranged at one end of the cylinder wall body, a piston is arranged in the middle of the piston rod and is integrally formed, the piston rod is of a hollow structure, an assembling hole is formed in one end of the piston rod, the piston rod is arranged in the cylinder wall body, the left end cover penetrates through the piston rod to be arranged at the left end of the cylinder wall body, and the right end cover penetrates through the piston rod to. The sealing structure of the piston in the middle of the piston rod and the cylinder wall comprises a first supporting part and first sealing rings on two sides of the first supporting part. The sealing structure of the left end cover and the cylinder wall comprises a second supporting part and second sealing rings on two sides of the second supporting part. The sealing structure of the left end cover and the cylinder wall comprises a third supporting part and third sealing rings on two sides of the third supporting part. And the third supporting part is an annular copper sleeve. The utility model discloses a hollow linear type hydro-cylinder, middle part hollow structure be convenient for the drilling rod and pass from the center, and the drilling rod is rotatory at the hydro-cylinder center.
Description
Technical Field
The utility model relates to a hydro-cylinder, in particular to hollow linear type hydro-cylinder.
Background
The oil cylinder is widely applied to engineering machinery and has already formed standardized production. However, under special conditions, special cylinders are required for application. A mining drilling machine needs to use fixed drilling rods, the traditional drilling rods are fixed by fastening screws, and the fixed mode is time-consuming and labor-consuming in operation and low in efficiency. There is a need for a special oil cylinder to cooperate with a tong to fix a drill rod while satisfying the stable operation of the oil cylinder under the condition of severe vibration generated in the drilling process.
SUMMERY OF THE UTILITY MODEL
For the hydro-cylinder problem that the cooperation tong ware that mentions among the solution background art used, the utility model discloses a hollow linear type hydro-cylinder has been demonstrated.
In order to achieve the above purpose, the following technical solutions are provided:
the utility model provides a hollow linear type hydro-cylinder, includes jar wall, piston rod, left end lid and right-hand member lid, the fixed flange that sets up of one end of jar wall, the middle part of piston rod sets up piston and integrated into one piece, and the piston rod is hollow structure, and piston rod one end sets up the pilot hole, and the piston rod setting is in the jar wall, and the left end lid passes the piston rod and sets up the left end of jar wall, and the right-hand member lid passes the piston rod setting at the jar wall right-hand member.
Furthermore, the sealing structure of the piston in the middle of the piston rod and the cylinder wall comprises a first supporting part and first sealing rings on two sides of the first supporting part.
Furthermore, the first supporting part is an annular copper sleeve.
Furthermore, the sealing structure of the left end cover and the cylinder wall comprises a second supporting part and second sealing rings on two sides of the second supporting part.
Furthermore, the second supporting part is an annular copper sleeve II.
Furthermore, the sealing structure of the left end cover and the cylinder wall comprises a third supporting part and third sealing rings on two sides of the third supporting part.
Furthermore, the third supporting part is an annular copper sleeve.
The utility model has the advantages that:
1. the utility model discloses a hollow linear type hydro-cylinder, hydro-cylinder wall set up the flange and are convenient for the fixed of hydro-cylinder, and the piston middle part of hydro-cylinder sets up annular copper sheathing, has increased the supporting role in drilling process, prevents that the violent vibrations that strike the brill make the hydro-cylinder oil leak.
2. The utility model discloses a hollow linear type hydro-cylinder, middle part hollow structure be convenient for the drilling rod and pass from the center, and the drilling rod is rotatory at the hydro-cylinder center.
Drawings
FIG. 1 is a cross-sectional view of a hollow linear cylinder;
FIG. 2 is a side view of a hollow linear cylinder;
fig. 3 is a perspective view of a hollow linear cylinder.
Wherein: 1. a cylinder wall 11, a flange; 2. a piston rod; 20. a piston; 21. a hollow structure; 22. an assembly hole; 23. a first support part; 3. a right end cap; 31. a third support part; 4. a left end cap; 41. and a second support part.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-3, a hollow linear cylinder comprises a cylinder wall 1, a piston rod 2, a left end cap 4 and a right end cap 3, wherein a flange 11 is fixedly arranged at one end of the cylinder wall 1, a piston 20 is arranged in the middle of the piston rod 2 and is integrally formed, the piston rod 2 is of a hollow structure 21, an assembly hole 22 is arranged at one end of the piston rod 2, the piston rod 2 is arranged in the cylinder wall 1, the left end cap 4 penetrates through the piston rod 2 to form the left end of the cylinder wall 1, and the right end cap 3 penetrates through the piston rod 2 to form the right end of the cylinder wall 1.
The sealing structure between the piston 20 in the middle of the piston rod 2 and the cylinder wall 1 comprises a first supporting part 23 and first sealing rings 24 and 25 on two sides of the first supporting part. The first support part 23 is an annular copper sleeve I. The sealing structure between the left end cover 4 and the cylinder wall 1 comprises a second supporting part 41 and second sealing rings 42 and 43 on two sides of the second supporting part. The second supporting part 41 is a second annular copper sleeve. The sealing structure between the right end cover 3 and the cylinder wall 1 comprises a supporting part III 31 and sealing rings III 32 and 33 on two sides of the supporting part III. The third supporting part 31 is an annular copper sleeve III. The cylinder wall 1 is provided with the flange, so that the oil cylinder is convenient to fix, the middle part of a piston of the oil cylinder is provided with the annular copper sleeve, the supporting effect in the drilling process is increased, the service life of the sealing ring is prolonged, and the oil leakage of the oil cylinder caused by severe vibration of the percussion drill is prevented.
The use mode is that the assembly hole 22 arranged at the front end of the piston rod is provided with an annular hook which is clamped in an annular groove of the clamp, the drill rod passes through the hollow structures 21 of the clamp and the piston rod, and the piston rod moves to drive the clamp to clamp and loosen the drill rod.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the present invention without departing from the scope of the present invention by using the method and contents disclosed above.
Claims (7)
1. The utility model provides a hollow linear type hydro-cylinder which characterized in that: the cylinder wall comprises a cylinder wall body, a piston rod, a left end cover and a right end cover, wherein a flange is fixedly arranged at one end of the cylinder wall body, a piston is arranged in the middle of the piston rod and is integrally formed, the piston rod is of a hollow structure, an assembling hole is formed in one end of the piston rod, the piston rod is arranged in the cylinder wall body, the left end cover penetrates through the piston rod to be arranged at the left end of the cylinder wall body, and the right end cover penetrates through the piston rod to.
2. The hollow linear cylinder according to claim 1, wherein: the sealing structure of the piston in the middle of the piston rod and the cylinder wall comprises a first supporting part and first sealing rings on two sides of the first supporting part.
3. The hollow linear cylinder according to claim 2, wherein: the first supporting part is an annular copper sleeve.
4. The hollow linear cylinder according to claim 1, wherein: and the sealing structure of the left end cover and the cylinder wall comprises a second supporting part and second sealing rings on two sides of the second supporting part.
5. The hollow linear cylinder according to claim 4, wherein: and the second supporting part is an annular copper sleeve II.
6. The hollow linear cylinder according to claim 1, wherein: the sealing structure of the left end cover and the cylinder wall comprises a third supporting part and third sealing rings on two sides of the third supporting part.
7. The hollow linear cylinder according to claim 6, wherein: and the third supporting part is an annular copper sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310980.6U CN212407169U (en) | 2020-03-13 | 2020-03-13 | Hollow linear type oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310980.6U CN212407169U (en) | 2020-03-13 | 2020-03-13 | Hollow linear type oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212407169U true CN212407169U (en) | 2021-01-26 |
Family
ID=74378051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020310980.6U Expired - Fee Related CN212407169U (en) | 2020-03-13 | 2020-03-13 | Hollow linear type oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212407169U (en) |
-
2020
- 2020-03-13 CN CN202020310980.6U patent/CN212407169U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20210126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |