CN220204248U - Oil cylinder - Google Patents
Oil cylinder Download PDFInfo
- Publication number
- CN220204248U CN220204248U CN202322024719.6U CN202322024719U CN220204248U CN 220204248 U CN220204248 U CN 220204248U CN 202322024719 U CN202322024719 U CN 202322024719U CN 220204248 U CN220204248 U CN 220204248U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- cylinder piston
- piston rod
- cavity
- piston
- Prior art date
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 2
- 235000014121 butter Nutrition 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses an oil cylinder, which comprises an oil cylinder piston rod, an oil cylinder piston, a hollow cavity, an external thread cavity cover, a thread connector and a rubber sealing gasket, wherein the oil cylinder piston is positioned at the bottom end of the oil cylinder piston rod, the oil cylinder piston is integrally connected with the oil cylinder piston rod, the center of the oil cylinder piston is provided with the hollow cavity, and the top of the hollow cavity extends to the middle part of the inner cavity of the oil cylinder piston rod. The integrated oil cylinder piston assembly is provided for the track assembly of the engineering truck such as the excavator and the like, so that the tensioning operation of the track assembly is realized, the piston and the piston rod of the oil cylinder are integrally formed in a mold casting mode, the step of post secondary assembly between the piston and the piston rod is reduced, the use flexibility is improved, meanwhile, the hollow cavity structures are formed in the piston rod and the piston of the oil cylinder, the use of materials is reduced while the integral weight of the oil cylinder is reduced, and the use cost of the integral oil cylinder is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of oil cylinders, in particular to an oil cylinder.
Background
The tensioning cylinder is a commonly used hydraulic element, is mainly used for tensioning or compacting industrial equipment, machinery and the like, and is usually used in a track assembly in an engineering vehicle such as an excavator and the like;
the piston and the piston rod of the tensioning cylinder in the existing track assembly are generally manufactured in a separated mode, and when the piston and the piston rod are used later, additional assembly steps are needed, so that the installation and processing cost is high, meanwhile, the piston rod is generally solid, and the material cost is high while the transportation cost is increased;
the following drawbacks exist based on the existing tensioning cylinder for a track assembly: the piston and the piston rod of the tensioning cylinder of the existing track assembly are separately processed and produced, so that inconvenience caused by secondary assembly of personnel after the track assembly comes out of the field and the problem of high material cost caused by piston components without cavity structures are caused. For this purpose we propose a cylinder.
Disclosure of Invention
The utility model mainly aims to provide an oil cylinder which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an oil cylinder, includes cylinder piston rod, cylinder piston and cavity, still includes external screw thread cavity lid, screwed connection and rubber seal gasket, the cylinder piston is located cylinder piston rod bottom, cylinder piston and cylinder piston rod are integrated to be connected, the cavity has been seted up to cylinder piston centre of a circle department, cavity top extends to cylinder piston rod inner chamber middle part.
Further, a threaded interface corresponding to the external threaded cavity cover is arranged at the end part of the hollow cavity, and the external threaded cavity cover is in threaded connection with the threaded interface.
Further, the rubber sealing gasket is of an annular structure, and the rubber sealing gasket is arranged on the external thread cavity cover and the threaded interface bracket.
Further, an inner hexagonal groove is formed in the outer side of the outer threaded cavity cover.
Compared with the prior art, the utility model has the following beneficial effects: the integrated oil cylinder piston assembly is provided for the track assembly of the engineering vehicle such as the excavator and the like through the assemblies consisting of the oil cylinder piston rod, the oil cylinder piston, the hollow cavity, the external thread cavity cover, the thread interface and the rubber sealing gasket, so that the tensioning operation of the track assembly is realized, the piston and the piston rod of the oil cylinder are integrally formed in a mold casting mode, the step of post secondary assembly between the piston and the piston rod is reduced, the use flexibility is improved, meanwhile, the hollow cavity structure is formed inside the oil cylinder piston rod and the oil cylinder piston, the use cost of the whole oil cylinder is reduced while the whole weight of the oil cylinder is reduced, the problem that the use cost of the whole oil cylinder is greatly reduced, the inconvenience caused by secondary assembly of personnel after the existing piston and the piston rod are separately processed and produced is solved, and the problem that the material cost consumed by the piston part with a cavity structure is high is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an oil cylinder according to the present utility model.
Fig. 2 is a schematic bottom view of an oil cylinder according to the present utility model.
Fig. 3 is a schematic bottom view of an oil cylinder according to the present utility model.
Fig. 4 is a schematic plane view of an oil cylinder according to the present utility model.
In the figure: 1. a cylinder piston rod; 2. an oil cylinder piston; 3. a hollow cavity; 4. a threaded interface; 5. an external threaded cavity cover; 6. an inner hexagonal groove; 7. rubber sealing gaskets.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, the oil cylinder comprises an oil cylinder piston rod 1, an oil cylinder piston 2, a hollow cavity 3, an external thread cavity cover 5, a thread connector 4 and a rubber sealing gasket 7, wherein the oil cylinder piston 2 is positioned at the bottom end of the oil cylinder piston rod 1, the oil cylinder piston 2 is integrally connected with the oil cylinder piston rod 1, the center of the oil cylinder piston 2 is provided with the hollow cavity 3, and the top of the hollow cavity 3 extends to the middle part of the inner cavity of the oil cylinder piston rod 1.
The end part of the hollow cavity 3 is provided with a threaded interface 4 corresponding to the external threaded cavity cover 5, and the external threaded cavity cover 5 is in threaded connection with the threaded interface 4.
The rubber sealing gasket 7 is of an annular structure, and the rubber sealing gasket 7 is arranged on the support of the external thread cavity cover 5 and the threaded interface 4 in a cushioning mode.
Wherein, the outside of the external thread cavity cover 5 is provided with an internal hexagonal groove 6.
It should be noted that, the utility model is an oil cylinder, during operation, personnel inserts the oil cylinder sleeve which is correspondingly matched by the integrated oil cylinder piston rod 1 and the oil cylinder piston 2, hydraulic butter can be injected for use after the oil seal is assembled, before the oil cylinder piston rod 1 and the oil cylinder piston 2 are inserted into the oil cylinder sleeve, the threaded connector 4 at the end part of the centering cavity 3 can be selectively assembled by screwing the external threaded cavity cover 5 according to the use requirement, during the process, the external threaded cavity cover 5 can be assisted to rotate by inserting the hexagonal screwdriver into the inner hexagonal groove 6, so that the end part of the centering cavity 3 is covered by the external threaded cavity cover 5, the hydraulic butter can not enter the middle cavity 3, the use amount of the hydraulic butter is reduced, the use cost of the oil cylinder is further reduced, and the oil cylinder has higher practicability.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an oil cylinder, includes hydro-cylinder piston rod (1), hydro-cylinder piston (2) and cavity (3), its characterized in that still includes external screw thread cavity lid (5), screwed connection (4) and rubber sealing gasket (7), hydro-cylinder piston (2) are located hydro-cylinder piston rod (1) bottom, hydro-cylinder piston (2) are connected as an organic wholely with hydro-cylinder piston rod (1), cavity (3) have been seted up in hydro-cylinder piston (2) centre of a circle department, cavity (3) top extends to hydro-cylinder piston rod (1) inner chamber middle part.
2. A cylinder as claimed in claim 1, wherein: the end part of the hollow cavity (3) is provided with a threaded interface (4) corresponding to the external threaded cavity cover (5), and the external threaded cavity cover (5) is in threaded connection with the threaded interface (4).
3. A cylinder as claimed in claim 1, wherein: the rubber sealing gasket (7) is of an annular structure, and the rubber sealing gasket (7) is arranged on the support of the external thread cavity cover (5) and the threaded interface (4) in a cushioning mode.
4. A cylinder as claimed in claim 1, wherein: an inner hexagonal groove (6) is formed in the outer side of the outer thread cavity cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024719.6U CN220204248U (en) | 2023-07-31 | 2023-07-31 | Oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322024719.6U CN220204248U (en) | 2023-07-31 | 2023-07-31 | Oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204248U true CN220204248U (en) | 2023-12-19 |
Family
ID=89146719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322024719.6U Active CN220204248U (en) | 2023-07-31 | 2023-07-31 | Oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204248U (en) |
-
2023
- 2023-07-31 CN CN202322024719.6U patent/CN220204248U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201560998U (en) | Hydraulic oil cylinder with novel guide sleeve structure | |
| CN201255280Y (en) | Sealing gasket | |
| CN220204248U (en) | Oil cylinder | |
| CN209892834U (en) | Multi-lug support pre-tightening structure of self-sealing valve cover of high-temperature and high-pressure valve | |
| CN217029056U (en) | Oil drain plug seat assembly | |
| CN103101592B (en) | The mounting structure of fuel charger on motorcycle plastic fuel tank | |
| CN105194927B (en) | A kind of combined oil filter | |
| CN210397073U (en) | Cooperation structure of slush pump disk seat and hydraulic cylinder | |
| CN211175525U (en) | Breather valve | |
| CN211370885U (en) | Positioning mechanism of oil cylinder | |
| CN212337471U (en) | Cylinder hole continuous casting integrated composite cylinder cover structure | |
| CN211221918U (en) | Mode locking hydro-cylinder convenient to dismouting | |
| CN218862579U (en) | Split type annular preventer with drift diameter of 750mm and above | |
| CN219522891U (en) | Vulcanization molding device for framework oil seal | |
| CN220522648U (en) | Integrated plastic oil pan of diesel engine | |
| CN220667992U (en) | Piston connecting device for lightweight hydraulic cylinder | |
| CN219866325U (en) | Quick-assembling stop valve | |
| CN216201089U (en) | Oil-leakage-proof sealing cover for auxiliary connecting cylinder and auxiliary connecting valve rod | |
| CN210889544U (en) | Piston anti-loosening structure of hydraulic oil cylinder | |
| CN218440191U (en) | Gapless connecting structure | |
| CN219774565U (en) | Charger screw column | |
| CN221120724U (en) | Main piston of low-noise brake master cylinder | |
| CN104648611A (en) | Propeller mounting tool | |
| CN110284992B (en) | Vibration-damping anti-loosening type connecting structure of cylinder head cover | |
| CN221922180U (en) | Gate valve with separated valve cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |