CN219809216U - Oil cylinder cap for multiple sealing oil cylinder - Google Patents
Oil cylinder cap for multiple sealing oil cylinder Download PDFInfo
- Publication number
- CN219809216U CN219809216U CN202321247067.6U CN202321247067U CN219809216U CN 219809216 U CN219809216 U CN 219809216U CN 202321247067 U CN202321247067 U CN 202321247067U CN 219809216 U CN219809216 U CN 219809216U
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- cylinder cap
- oil cylinder
- extension pipe
- cap body
- oil
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- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of oil cylinders, in particular to an oil cylinder cap for a multiple sealing oil cylinder, which comprises an oil cylinder cap body and a piston rod, wherein the upper end of the oil cylinder cap body is fixedly connected with a first extension pipe, the lower end of the oil cylinder cap body is fixedly connected with a second extension pipe, the inner wall of the first extension pipe is provided with a first oil seal groove, and a first sealing ring is fixedly connected in the first oil seal groove; the inner wall of the oil cylinder cap body is provided with a second oil seal groove, and the second oil seal groove is fixedly connected with a second sealing ring; the piston rod is located inside the oil cylinder cap body, the first extension pipe and the second extension pipe, and is in sliding connection with the oil cylinder cap body, the first extension pipe and the second extension pipe, and the upper end of the piston rod is fixedly connected with a connecting disc. The utility model enhances the sealing effect between the piston rod and the cylinder cap body; meanwhile, the piston rod is protected, and the service life of the piston rod is prolonged.
Description
Technical Field
The utility model belongs to the technical field of oil cylinders, and particularly relates to an oil cylinder cap for a multi-seal oil cylinder.
Background
In the field of machine manufacturing, multiple seal cylinders are widely used in various hydraulic systems to control and execute the movement of hydraulic equipment. The multi-seal oil cylinder is generally composed of an oil cylinder body, a seal assembly, a piston rod and the like. The oil cylinder cap is used as one of important components of the oil cylinder, and has the main functions of fixing and sealing the oil cylinder body and protecting the piston rod so as to ensure the normal operation of the hydraulic system.
The matching part of the existing oil cylinder cap and the piston is sealed by a Y-shaped sealing ring, the single Y-shaped sealing ring has poor sealing effect although playing a role in sealing, the Y-shaped sealing ring is soft in texture, the piston rod cannot be automatically guided when the oil pressure is unbalanced, the piston rod can deflect to one side, the oil cylinder cap scrapes the piston rod to scratch the piston rod, and the service life of the piston rod is influenced.
Disclosure of Invention
The utility model aims to provide an oil cylinder cap for a multiple sealing oil cylinder, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the oil cylinder cap for the multiple sealing oil cylinder comprises an oil cylinder cap body and a piston rod, wherein the upper end of the oil cylinder cap body is fixedly connected with a first extension pipe, the lower end of the oil cylinder cap body is fixedly connected with a second extension pipe, a first oil seal groove is formed in the inner wall of the first extension pipe, and a first sealing ring is fixedly connected in the first oil seal groove; the inner wall of the oil cylinder cap body is provided with a second oil seal groove, and the second oil seal groove is fixedly connected with a second sealing ring; the piston rod is located inside hydro-cylinder cap body, first extension pipe and the second extension pipe, and with hydro-cylinder cap body, first extension pipe and second extension pipe sliding connection, piston rod upper end fixedly connected with connection pad.
Optionally, the mounting holes are formed in the upper end face of the oil cylinder cap body, a plurality of mounting holes are formed in the mounting holes, and the oil cylinder cap body is distributed.
Optionally, the cylinder cap body circumference is fixedly connected with the connecting nozzle.
Optionally, the circumference of the second extension pipe is fixedly connected with a sealing ring, and the second extension pipe is in a frustum shape.
Optionally, an upward inclined plane is provided on the inner wall of the upper end of the first extension pipe, and a sealing gasket is installed inside the connecting disc and is matched with the inclined plane.
Optionally, a mounting groove is formed in the lower end face of the connecting disc, the bottom of the mounting groove is in a dovetail shape, and the mounting groove is matched with the sealing gasket.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, under the cooperation of the plurality of first oil seal grooves, the first sealing ring, the second oil seal grooves and the second sealing ring, the sealing effect between the piston rod and the cooperation position of the oil cylinder cap body is enhanced; meanwhile, under the cooperation of the first extension pipe and the second extension pipe, the guiding distance is prolonged, so that the piston rod is not easy to deviate in the moving process, the piston rod is protected, and the service life of the piston rod is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model in elevation;
FIG. 2 is a schematic view of a right-side view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure: 1. an oil cylinder cap body; 2. a connecting nozzle; 3. a mounting hole; 4. a first extension pipe; 5. a connecting disc; 6. a piston rod; 7. a second extension pipe; 8. a seal ring; 9. a mounting groove; 10. a sealing gasket; 11. a first oil seal groove; 12. a first seal ring; 13. a second oil seal groove; 14. and a second seal ring.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 4, an oil cylinder cap for a multiple seal oil cylinder according to an embodiment of the present utility model will now be described. The oil cylinder cap for the multiple sealing oil cylinder comprises an oil cylinder cap body 1 and a piston rod 6, wherein the upper end of the oil cylinder cap body 1 is fixedly connected with a first extension pipe 4, the lower end of the oil cylinder cap body 1 is fixedly connected with a second extension pipe 7, a first oil seal groove 11 is formed in the inner wall of the first extension pipe 4, and a first sealing ring 12 is fixedly connected in the first oil seal groove 11; the inner wall of the oil cylinder cap body 1 is provided with a second oil seal groove 13, and the second oil seal groove 13 is fixedly connected with a second sealing ring 14; the piston rod 6 is located inside the cylinder cap body 1, the first extension pipe 4 and the second extension pipe 7, and is in sliding connection with the cylinder cap body 1, the first extension pipe 4 and the second extension pipe 7, and the upper end of the piston rod 6 is fixedly connected with the connecting disc 5.
The method comprises the following steps: under the matching of the plurality of first oil seal grooves 11, the first sealing ring 12, the second oil seal grooves 13 and the second sealing ring 14, the sealing effect of the matching part of the piston rod 6 and the oil cylinder cap body 1 is improved; meanwhile, the first extension pipe 4 and the second extension pipe 7 are matched, the guiding distance is prolonged, the piston rod 6 is not easy to deviate in the moving process, the piston rod 6 is effectively prevented from being scratched by the cylinder cap body 1, the piston rod 6 is protected, and the service life of the piston rod 6 is prolonged.
The mounting holes 3 are formed in the upper end face of the oil cylinder cap body 1, a plurality of mounting holes 3 are formed in the mounting holes 3, the oil cylinder cap body 1 is distributed, and the oil cylinder cap body 1 can be stably mounted on an oil cylinder during operation.
The circumference of the oil cylinder cap body 1 is fixedly connected with a connecting nozzle 2, so that an oil pipe and the oil cylinder cap body 1 can be connected together.
The sealing ring 8 is fixedly connected to the circumferential surface of the second extension pipe 7, and the second extension pipe 7 is in a frustum shape.
An upward inclined surface is formed in the inner wall of the upper end of the first extension pipe 4, a sealing gasket 10 is arranged in the connecting disc 5, the sealing gasket 10 is matched with the inclined surface, and when the oil cylinder cap is in operation, the piston rod 6 is prevented from being contacted with the upper end of the oil cylinder cap body 1 due to the fact that the inner part of the upper end of the first extension pipe 4 extends outwards, and therefore the oil cylinder cap body 1 is effectively prevented from scratching the piston rod 6; and the gasket 10 seals the end of the cylinder cap body 1 to prevent dust from entering.
The mounting groove 9 has been seted up to terminal surface under the connection pad 5, and mounting groove 9 bottom is dovetail shape, and mounting groove 9 cooperates with sealing gasket 10, during operation can install sealing gasket 10 in mounting groove 9, simultaneously because mounting groove 9 bottom is dovetail shape, prevents that sealing gasket 10 and connection pad 5 from breaking away from.
Working principle:
when the oil cylinder cap is used, the matching part of the piston rod 6 and the oil cylinder cap body 1 can be sealed under the matching of the first oil seal groove 11, the first seal ring 12, the second oil seal groove 13 and the second seal ring 14, so that the sealing effect between the piston rod 6 and the oil cylinder cap body 1 is improved; meanwhile, under the cooperation of the first extension pipe 4 and the second extension pipe 7, the guiding distance is prolonged, so that the piston rod 6 is not easy to deviate in the moving process, the protection of the piston rod 6 is improved, and the service life of the piston rod 6 is prolonged.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a multiple sealed hydro-cylinder is hydro-cylinder cap for hydro-cylinder, includes hydro-cylinder cap body (1) and piston rod (6), its characterized in that: the oil cylinder is characterized in that the upper end of the oil cylinder cap body (1) is fixedly connected with a first extension pipe (4), the lower end of the oil cylinder cap body (1) is fixedly connected with a second extension pipe (7), a first oil seal groove (11) is formed in the inner wall of the first extension pipe (4), and a first sealing ring (12) is fixedly connected in the first oil seal groove (11); a second oil seal groove (13) is formed in the inner wall of the oil cylinder cap body (1), and a second sealing ring (14) is fixedly connected in the second oil seal groove (13); the piston rod (6) is located inside the oil cylinder cap body (1), the first extension pipe (4) and the second extension pipe (7), and is in sliding connection with the oil cylinder cap body (1), the first extension pipe (4) and the second extension pipe (7), and the upper end of the piston rod (6) is fixedly connected with the connecting disc (5).
2. The cylinder cap for a multiple seal cylinder as defined in claim 1, wherein: the oil cylinder cap is characterized in that mounting holes (3) are formed in the upper end face of the oil cylinder cap body (1), and the plurality of mounting holes (3) are formed in the oil cylinder cap body (1) in a distributed mode.
3. The cylinder cap for a multiple seal cylinder as defined in claim 1, wherein: the circumference of the oil cylinder cap body (1) is fixedly connected with a connecting nozzle (2).
4. The cylinder cap for a multiple seal cylinder as defined in claim 1, wherein: the circumference of the second extension pipe (7) is fixedly connected with a sealing ring (8), and the second extension pipe (7) is in a frustum shape.
5. The cylinder cap for a multiple seal cylinder as defined in claim 1, wherein: an upward inclined surface is formed in the inner wall of the upper end of the first extension pipe (4), a sealing gasket (10) is mounted in the connecting disc (5), and the sealing gasket (10) is matched with the inclined surface.
6. The cylinder cap for a multiple seal cylinder as defined in claim 5, wherein: the lower end face of the connecting disc (5) is provided with a mounting groove (9), the bottom of the mounting groove (9) is in a dovetail shape, and the mounting groove (9) is matched with the sealing gasket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321247067.6U CN219809216U (en) | 2023-05-19 | 2023-05-19 | Oil cylinder cap for multiple sealing oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321247067.6U CN219809216U (en) | 2023-05-19 | 2023-05-19 | Oil cylinder cap for multiple sealing oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809216U true CN219809216U (en) | 2023-10-10 |
Family
ID=88208621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321247067.6U Active CN219809216U (en) | 2023-05-19 | 2023-05-19 | Oil cylinder cap for multiple sealing oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809216U (en) |
-
2023
- 2023-05-19 CN CN202321247067.6U patent/CN219809216U/en active Active
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