CN216111526U - Dustproof device for hydraulic cylinder - Google Patents
Dustproof device for hydraulic cylinder Download PDFInfo
- Publication number
- CN216111526U CN216111526U CN202121423888.1U CN202121423888U CN216111526U CN 216111526 U CN216111526 U CN 216111526U CN 202121423888 U CN202121423888 U CN 202121423888U CN 216111526 U CN216111526 U CN 216111526U
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- cloth
- hydraulic cylinder
- elastic ring
- dustproof device
- ring pieces
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Abstract
The utility model discloses a dustproof device for a hydraulic cylinder, which comprises a cloth tube, a gas transmission pipe, a valve core and a plurality of elastic ring pieces, wherein the elastic ring pieces are coaxially arranged, an inflation cavity is arranged inside each elastic ring piece, the gas transmission pipe is connected with the inflation cavities of the elastic ring pieces, one end of the gas transmission pipe is closed, the valve core is arranged at the other end of the gas transmission pipe, and the cloth tube is sleeved on the elastic ring pieces. Compared with the prior art, the dustproof material has good dustproof performance.
Description
Technical Field
The utility model relates to a dustproof device, in particular to a dustproof device for a hydraulic cylinder.
Background
The hydraulic oil cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. When the oil cylinder works in a severe environment under working conditions, the oil cylinder needs to be provided with the dustproof device, and the dustproof effect of the existing dustproof device is to be further improved. In view of the above, the inventors of the present application have conducted extensive studies to obtain a dust-proof device for a hydraulic cylinder.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dustproof device for a hydraulic oil cylinder, which has good dustproof performance.
The technical purpose of the utility model is realized by the following technical scheme:
the dustproof device for the hydraulic cylinder comprises a cloth cylinder, a gas pipe, a valve core and a plurality of elastic ring pieces, wherein the elastic ring pieces are coaxially arranged, an inflation cavity is formed in the elastic ring pieces, the gas pipe is connected with the inflation cavities of the elastic ring pieces, one end of the gas pipe is sealed, the other end of the gas pipe is provided with the valve core, and the cloth cylinder is sleeved on the elastic ring pieces.
In a preferred embodiment, the wall surface of the elastic ring piece comprises a plastic film layer and a cloth layer from inside to outside, and the plastic film layer is adhered to the cloth layer.
In a preferred embodiment, the cloth layer and the cloth cylinder are made of terylene, PG cloth or nylon.
In a preferred embodiment, the gas delivery conduit is arranged in a spiral.
In a preferred embodiment, the cloth cylinder further comprises a first connecting ring and a second connecting ring, wherein the first connecting ring is arranged at one end of the cloth cylinder, and the second connecting ring is arranged at the other end of the cloth cylinder.
In a preferred embodiment, the first connection ring is provided with a plurality of first fixing through holes, and the second connection ring is provided with a plurality of second fixing through holes.
Compared with the prior art, the utility model provides the dustproof device for the hydraulic oil cylinder, when in use, the dustproof device is sleeved on the piston rod of the hydraulic oil cylinder, the inner replacement surfaces of the elastic ring pieces are in contact with the inner wall of the piston rod, so that under the action of the elastic ring pieces, stains are difficult to pass through the space between the elastic ring pieces and the piston rod, and a good dustproof effect can be realized.
Drawings
FIG. 1 is a schematic structural diagram of a dustproof device for a hydraulic cylinder according to the present invention.
FIG. 2 is a schematic structural view of a dustproof device for a hydraulic cylinder according to the present invention, with a cloth cover, a first connection ring, and a second connection ring removed.
FIG. 3 is a schematic structural diagram of the inner wall of the elastic ring plate of the dustproof device for the hydraulic cylinder according to the present invention.
In the drawings
A cloth cylinder 1; a gas delivery pipe 2; a valve core 3; an elastic ring piece 4; a plastic film layer 5; a cloth layer 6; a first connecting ring 7; a first fixing through hole 8; a second connection ring 9; a second fixing through hole 10.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
As shown in fig. 1 to 3, a dust keeper for hydraulic cylinder, including cloth 1, gas-supply pipe 2, valve inside 3 and a plurality of elasticity ring 4, a plurality of elasticity ring 4 are coaxial arranges, the inside of elasticity ring 4 is equipped with the inflation chamber, gas-supply pipe 2 is connected the inflation chamber of a plurality of elasticity ring 4, the one end of gas-supply pipe 2 is sealed, and the other end sets up valve inside 3, 1 cover of cloth is located on a plurality of elasticity ring 4.
The utility model provides a hydraulic cylinder is with dust keeper, it is when using, the cover is on the piston rod of hydraulic cylinder, the interior face of changing of a plurality of elasticity ring pieces 4 contacts with the inner wall of piston rod, thereby under the effect of a plurality of elasticity ring pieces 4, the spot is difficult to pass through the space between a plurality of elasticity ring pieces 4 and the piston rod, thereby can realize good dustproof effect, simultaneously, after the gas in the elasticity ring piece 4 is emitted via the valve inside 3, the volume of elasticity ring piece 4 diminishes, can be passed by the great part of piston rod tip volume, thereby can conveniently realize changing, after the change is accomplished, fill the air current via gas-supply pipe 2 again.
Specifically, the wall surface of the elastic ring piece 4 comprises a plastic film layer 5 and a cloth layer 6 from inside to outside, the plastic film layer 5 is adhered to the cloth layer 6, the cloth layer 6 provides good structural strength, and the plastic film layer 5 provides good airtight effect.
Specifically, the cloth layer 6 and the cloth cylinder 1 are made of terylene, PG cloth or nylon.
In order to facilitate the expansion of the cloth tube 1, the gas transmission pipe 2 is spirally arranged.
The dustproof device for the hydraulic cylinder of the embodiment further comprises a first connecting ring 7 and a second connecting ring 9, the first connecting ring 7 is arranged at one end of the cloth cylinder 1, the second connecting ring 9 is arranged at the other end of the cloth cylinder 1, a plurality of first fixing through holes 8 are formed in the first connecting ring 7, and a plurality of second fixing through holes 10 are formed in the second connecting ring 9. Under the above structure, the cylinder body of the hydraulic cylinder and the end of the piston rod far away from the cylinder barrel are provided with fixed screw holes, the bolt is matched with the fixed screw hole arranged on the cylinder body of the hydraulic cylinder after passing through the first fixed through hole 8 to realize the installation of the first connecting ring 7, the bolt is matched with the fixed screw hole arranged on the cylinder body of the hydraulic cylinder after passing through the second fixed through hole 10 to realize the installation of the second connecting ring 9, and under the installation structure, the cloth tube 1 completely covers the piston rod, thereby realizing good dustproof effect.
The foregoing description of the embodiments is provided to facilitate an understanding and use of the utility model and it will be apparent to those skilled in the art that various modifications to the embodiments and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (6)
1. The dustproof device for the hydraulic cylinder is characterized by comprising a cloth cylinder, a gas pipe, a valve core and a plurality of elastic ring pieces, wherein the elastic ring pieces are coaxially arranged, an inflation cavity is formed in the elastic ring pieces, the gas pipe is connected with the inflation cavity of the elastic ring pieces, one end of the gas pipe is closed, the other end of the gas pipe is provided with the valve core, and the cloth cylinder is sleeved on the elastic ring pieces.
2. The dustproof device for the hydraulic cylinder according to claim 1, wherein the wall surface of the elastic ring piece comprises a plastic film layer and a cloth layer from inside to outside, and the plastic film layer is adhered to the cloth layer.
3. The dustproof device for the hydraulic cylinder according to claim 2, wherein the cloth layer and the cloth cylinder are made of terylene, PG cloth or nylon.
4. The dustproof device for the hydraulic cylinder according to claim 1, wherein the gas pipe is arranged in a spiral shape.
5. The dustproof device for the hydraulic cylinder according to any one of claims 1 to 4, further comprising a first connection ring and a second connection ring, wherein the first connection ring is provided at one end of the cloth drum, and the second connection ring is provided at the other end of the cloth drum.
6. The dustproof device for a hydraulic cylinder according to claim 5, wherein the first connection ring is provided with a plurality of first fixing through holes, and the second connection ring is provided with a plurality of second fixing through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121423888.1U CN216111526U (en) | 2021-06-25 | 2021-06-25 | Dustproof device for hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121423888.1U CN216111526U (en) | 2021-06-25 | 2021-06-25 | Dustproof device for hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216111526U true CN216111526U (en) | 2022-03-22 |
Family
ID=80721139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121423888.1U Active CN216111526U (en) | 2021-06-25 | 2021-06-25 | Dustproof device for hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216111526U (en) |
-
2021
- 2021-06-25 CN CN202121423888.1U patent/CN216111526U/en active Active
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