CN214888846U - Dirty structure is scraped to hydro-cylinder piston rod assembled - Google Patents
Dirty structure is scraped to hydro-cylinder piston rod assembled Download PDFInfo
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- CN214888846U CN214888846U CN202120992535.7U CN202120992535U CN214888846U CN 214888846 U CN214888846 U CN 214888846U CN 202120992535 U CN202120992535 U CN 202120992535U CN 214888846 U CN214888846 U CN 214888846U
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Abstract
The utility model relates to a dirty structure is scraped to hydro-cylinder piston rod assembled sets up the outer terminal surface of preceding cylinder cap at the hydro-cylinder, the piston rod and the preceding cylinder cap sliding fit of hydro-cylinder, preceding cylinder cap front end concave cavity has, be equipped with in the concave cavity with piston rod sliding fit's guide ring, be equipped with lip seal circle between the inboard and the piston rod of guide ring, the terminal surface is installed before the guide ring and is scraped dirty ring, scrape dirty ring and scrape cut lip mouth outwards. Utility model adopts scrapes dirty ring appearance less, adopts the assembled structure, easily control the concentricity cooperation with the piston rod, can be better strike off attached to the debris granule on piston rod surface, prevent that debris from getting into inside the hydro-cylinder and producing wearing and tearing to the piston rod, the cost is reduced is favorable to prolonging the life of piston rod.
Description
Technical Field
The utility model belongs to the technical field of the hydraulic cylinder technique and specifically relates to a dirty structure is scraped to hydro-cylinder piston rod assembled.
Background
When the oil cylinder is used, external impurities can be inevitably contaminated on the extended piston rod, tiny particles of the impurities can be adhered to the surface of the piston rod and enter the oil cylinder when the piston rod returns to the cylinder body, hydraulic oil is polluted, and meanwhile the particles of the impurities can also cause surface abrasion of the piston rod, so that a dirt scraping ring is arranged at the front end cover of the oil cylinder to scrape the impurities on the surface of the piston rod. The existing dirt scraping ring is generally integrally installed outside a front end cover of the oil cylinder and made of cast copper materials, so that the appearance size is large, the cost is high, the concentricity between the existing dirt scraping ring and the piston rod is not ideal, and the dirt hanging effect is influenced.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to overcome the deficiencies in the prior art, the utility model provides a dirty structure is scraped to hydro-cylinder piston rod assembled that can improve and hang dirty effect, reduce cost.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a dirty structure is scraped to hydro-cylinder piston rod assembled, sets up the outer terminal surface of preceding cylinder cap at the hydro-cylinder, the piston rod and the preceding cylinder cap sliding fit of hydro-cylinder, preceding cylinder cap front end concave cavity has, be equipped with in the concave cavity with piston rod sliding fit's guide ring, be equipped with lip seal between guide ring inboard and the piston rod, the terminal surface is installed before the guide ring and is scraped dirty ring, scrape dirty ring and scrape the cut lip outwards.
Specifically, the front end of the guide ring is provided with a step hole, a dustproof ring is arranged in a small hole of the step hole, the body of the dirt scraping ring is arranged in a large hole of the step hole and pressed on the outer side of the dustproof ring, and a scraping and cutting lip of the dirt scraping ring protrudes outwards.
Furthermore, for conveniently compressing the dirt scraping ring, the front end face of the front cylinder cover is fixedly connected with a baffle pressing the outer side face of the body of the dirt scraping ring.
In order to better improve the sealing performance of the oil cylinder, an O-shaped sealing ring is arranged between the periphery of the guide ring and the inner wall of the concave cavity of the front cylinder cover.
The utility model has the advantages that: the utility model discloses a scrape dirty ring appearance less, adopt the assembled structure, easily control the concentricity cooperation with the piston rod, can be better strike off attached to the debris granule on piston rod surface, prevent that debris from getting into inside and producing wearing and tearing to the piston rod of hydro-cylinder, the cost is reduced is favorable to prolonging the life of piston rod.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the piston rod of the oil cylinder comprises a front cylinder cover, 2 piston rods, 3 guide rings, 4 lip-shaped sealing rings, 5 dirt scraping rings, 6 dustproof rings, 7 baffle plates and 8O-shaped sealing rings.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in figure 1, the assembled type dirt scraping structure for the piston rod of the oil cylinder is arranged on the outer end face of a front cylinder cover 1 of the oil cylinder, and a piston rod 2 of the oil cylinder is in sliding fit with the front cylinder cover 1.
Preceding cylinder cap 1 front end concave cavity has, be equipped with in the concave cavity with 2 sliding fit's of piston rod guide ring 3, 3 peripheries of guide ring and preceding cylinder cap 1's the concave intracavity inner wall between be equipped with O shape sealing washer 8, be equipped with lip seal 4 between 3 inboards of guide ring and the piston rod 2, 3 front ends of guide ring step holes have, be equipped with dust ring 6 in the aperture in step hole, be equipped with in the macropore in step hole and scrape dirty ring 5 of scraping that the lip mouth is outside.
Specifically, the body of the dirt scraping ring 5 is arranged in a large hole of the stepped hole and pressed on the outer side surface of the dust ring 6, a scraping lip of the dirt scraping ring 5 protrudes outwards, and the front end surface of the front cylinder cover 1 is fixedly connected with a baffle 7 pressed on the outer side surface of the body of the dirt scraping ring 5 through a hexagon socket head cap screw.
The utility model discloses a scrape dirty ring 5, the appearance is less, adopts the assembled structure, easily control with the concentricity cooperation of piston rod 2, can be better strike off the debris granule that adheres to on 2 surfaces of piston rod, prevent that debris from getting into inside the hydro-cylinder and producing wearing and tearing to piston rod 2, the cost is reduced is favorable to prolonging the life of piston rod 2.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a dirty structure is scraped to hydro-cylinder piston rod assembled, sets up at the outer terminal surface of preceding cylinder cap (1) of hydro-cylinder, piston rod (2) and preceding cylinder cap (1) sliding fit of hydro-cylinder, characterized by: preceding cylinder cap (1) front end concave cavity has, be equipped with in the concave cavity with piston rod (2) sliding fit's guide ring (3), be equipped with lip seal (4) between guide ring (3) inboard and piston rod (2), terminal surface installs before guide ring (3) scrapes dirty ring (5), scrape scraping of dirty ring (5) cut lip outwards.
2. The assembled scraping structure for the piston rod of the oil cylinder as claimed in claim 1, which is characterized in that: the front end of the guide ring (3) is provided with a step hole, a dust ring (6) is arranged in a small hole of the step hole, a body of the dirt scraping ring (5) is arranged in a large hole of the step hole and pressed on the outer side surface of the dust ring (6), and a scraping and cutting lip of the dirt scraping ring (5) protrudes outwards.
3. The assembled scraping structure for the piston rod of the oil cylinder as claimed in claim 2, which is characterized in that: the front end face of the front cylinder cover (1) is fixedly connected with a baffle (7) pressed on the outer side face of the body of the dirt scraping ring (5).
4. The assembled scraping structure for the piston rod of the oil cylinder as claimed in claim 1, which is characterized in that: an O-shaped sealing ring (8) is arranged between the periphery of the guide ring (3) and the inner wall of the concave cavity of the front cylinder cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120992535.7U CN214888846U (en) | 2021-05-10 | 2021-05-10 | Dirty structure is scraped to hydro-cylinder piston rod assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120992535.7U CN214888846U (en) | 2021-05-10 | 2021-05-10 | Dirty structure is scraped to hydro-cylinder piston rod assembled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214888846U true CN214888846U (en) | 2021-11-26 |
Family
ID=78946833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120992535.7U Active CN214888846U (en) | 2021-05-10 | 2021-05-10 | Dirty structure is scraped to hydro-cylinder piston rod assembled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214888846U (en) |
-
2021
- 2021-05-10 CN CN202120992535.7U patent/CN214888846U/en active Active
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