CN215805510U - Novel Y-shaped sealing ring with dustproof effect - Google Patents
Novel Y-shaped sealing ring with dustproof effect Download PDFInfo
- Publication number
- CN215805510U CN215805510U CN202121312391.2U CN202121312391U CN215805510U CN 215805510 U CN215805510 U CN 215805510U CN 202121312391 U CN202121312391 U CN 202121312391U CN 215805510 U CN215805510 U CN 215805510U
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- lip
- groove
- sealing
- strip main
- dustproof
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- Expired - Fee Related
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Abstract
The utility model discloses a novel Y-shaped sealing ring with a dustproof effect, which comprises a sealing strip main body, wherein a groove is formed in the inner wall of the sealing strip main body, an inner diameter dustproof lip and a sealing lip which are positioned in the groove are arranged on the sealing strip main body, the inner diameter dustproof lip and the sealing lip are both directly contacted with a piston rod, a meshing groove matched with a cylinder body is formed in the sealing strip main body, and an outer diameter dustproof lip positioned in the meshing groove is assembled on the sealing strip main body; this novel take Y shape sealing washer of dustproof effect, through the setting of recess and meshing groove in the sealing strip main part, can lead to recess and meshing groove shrink when hydro-cylinder pressure is used in the sealing strip main part, internal diameter dustproof lip and the radial expansion laminating of external diameter dustproof lip are on piston rod and cylinder body outer wall simultaneously, and then can seal it, and the internal diameter dustproof lip can strike off the impurity dust of adhesion on the piston rod simultaneously, and the cylinder body can be laminated to the external diameter dustproof lip, avoids the inside condition appearance of impurity entering hydro-cylinder.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinder sealing, in particular to a novel Y-shaped sealing ring with a dustproof function.
Background
The Y-shaped sealing ring is also called radial lip-shaped sealing ring, the pressed surface of the sealing ring is lip-shaped, so that the lip edge is in full interference contact with the sealing surface to generate sealing effect, the sealing contact part is sharp-angled, the lip-shaped sealing ring is used for the reciprocating hydraulic cylinder, the lip-shaped sealing ring is a sealing ring with self-sealing effect, and the lip portion is tightly attached to the surface of a sealing coupling part to block a leakage channel to obtain sealing effect.
At present, the existing Y-shaped sealing ring has the following defects:
the general structure of current Y type sealing washer is simpler, only possesses the sealing ability of certain degree, does not possess corresponding dustproof ability, and this often appears because the dust gets into inside and lead to the not good condition of its work efficiency of cylinder body, simultaneously, also easily adheres to magazine dust on the current cylinder body and influences its normal reciprocating motion.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a novel Y-shaped sealing ring with a dustproof function, and solves the problems that the existing device is limited in sealing effect and cannot prevent dust.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a novel take Y shape sealing washer of dustproof effect, includes the sealing strip main part, the inner wall of sealing strip main part is provided with the recess, be provided with the internal diameter dustproof lip and the seal lip that are arranged in the recess in the sealing strip main part, and internal diameter dustproof lip and seal lip all directly contact with the piston rod, set up the meshing groove with cylinder body looks adaptation in the sealing strip main part, and be equipped with the external diameter dustproof lip that is arranged in the meshing groove in the sealing strip main part.
Preferably, the engaging groove and the groove are located on two opposite surfaces of the sealing tape main body, and an included angle between the outer diameter dust lip on the engaging groove and the groove is 90 °.
Preferably, the edges of the inner diameter dust lip and the outer diameter dust lip are both set to be right angles.
Preferably, the groove is trapezoidal, the inner diameter dust lip and the sealing lip are two trapezoidal slopes of the groove, and the inner wall of the sealing lip is smooth.
Preferably, a pressure groove located above the groove is formed in the sealing strip main body, and an O-shaped sealing ring is clamped in the pressure groove.
Preferably, the sealing band main body is provided with two specifications of a strip shape and an annular shape.
(III) advantageous effects
The utility model provides a novel Y-shaped sealing ring with a dustproof function. The method has the following beneficial effects:
1. this novel take Y shape sealing washer of dustproof effect, through the setting of recess and meshing groove in the sealing strip main part, can lead to recess and meshing groove shrink when hydro-cylinder pressure is used in the sealing strip main part, internal diameter dust lip and the radial expansion laminating of external diameter dust lip are on piston rod and cylinder body outer wall simultaneously, and then can seal it, the impurity dust of adhesion on the piston rod can be struck off to the internal diameter dust lip simultaneously, and the cylinder body can be laminated to the external diameter dust lip, avoid impurity to get into the inside condition of hydro-cylinder to appear, thereby reach dirt-proof effect, the problem that current device does not possess dustproof function and leads to inside easy appearance impurity of hydro-cylinder to influence its work has been solved.
2. This novel take Y shape sealing washer of dustproof effect through the setting of indent and O type sealing washer in the sealing strip main part, when the cylinder body is in lax state, the rebound force of O type sealing washer is used in on the seal lip in the indent, and then can guarantee to possess a corresponding laminating power all the time between sealing strip main part and the piston rod to guarantee its sealed and dustproof effect.
3. This novel take Y shape sealing washer of dustproof effect adopts overall structure, and a sealing strip can possess sealed and dirt-proof effect under the condition of different pressure, not only increases its practicality, has still increased its installation effectiveness to a certain extent and has reduced manufacturing cost simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a strip-form sealing tape of the present invention;
fig. 3 is a schematic structural view of the annular sealing band of the present invention.
In the figure: 1. a sealing band body; 2. an inner diameter dust lip; 3. an engagement groove; 4. an outer diameter dust lip; 5. an O-shaped sealing ring; 6. a groove; 7. pressing a groove; 8. and (7) sealing the lip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a novel Y-shaped sealing ring with a dustproof function comprises a sealing strip main body 1, wherein a groove 6 is formed in the inner wall of the sealing strip main body 1, an inner diameter dustproof lip 2 and a sealing lip 8 which are located in the groove 6 are arranged on the sealing strip main body 1, and the inner diameter dustproof lip 2 and the sealing lip 8 are both directly contacted with a piston rod;
in this embodiment, need supplement the explanation be, when the cylinder body applys the effort to sealing strip main part 1, recess 6 compression deformation, internal diameter dust lip 2 and seal lip 8 all laminate on the outer wall of piston rod this moment, not only can guarantee corresponding sealed effect can also strike off the dust of adhesion on the piston rod to reach sealed and dirt-proof effect.
The sealing belt main body 1 is provided with an engaging groove 3 matched with the cylinder body, and the sealing belt main body 1 is provided with an outer diameter dust lip 4 positioned in the engaging groove 3;
in this embodiment, it is further supplemented that, when the cylinder body acting force, the space in the meshing groove 3 can be compressed to a certain extent, and at this moment, the inner wall of the outer diameter dust lip 4 radially moves on the cylinder body and is always attached to the outer wall of the cylinder body, so that the situation that dust enters the oil cylinder can be avoided, and a dustproof effect is achieved.
In this embodiment, it should be added that the engaging groove 3 and the groove 6 are located on two opposite surfaces of the sealing tape main body 1, and an included angle between the outer diameter dust lip 4 on the engaging groove 3 and the groove 6 is 90 °;
wherein, the setting of the 90 degrees of contained angle of outer diameter dust lip 4 and groove 6 is convenient for cooperate cylinder body and piston rod vertically to set for to guarantee that outer diameter dust lip 4 and groove 6 can laminate on piston rod and cylinder body outer wall, guarantee that the device possesses corresponding efficient leakproofness and dirt proofness when the effort is applyed to the cylinder body.
In this embodiment, it should be added that the edges of the inner diameter dust lip 2 and the outer diameter dust lip 4 are both set to be right angles;
wherein, the right-angled setting of 4 edges of internal diameter dust lip 2 and external diameter dust lip is more convenient for laminate on piston rod and cylinder body, can also increase its effect of striking off to impurity simultaneously, and the side has increased the device to dust impurity's protecting effect.
In this embodiment, it is to be supplemented that the groove 6 is trapezoidal, the inner diameter dust lip 2 and the seal lip 8 are two trapezoidal slopes of the groove 6, and the inner wall of the seal lip 8 is smooth;
wherein, it should be noted that, when the cylinder body applied corresponding effort, recess 6 contracts, and internal diameter dust lip 2 hugs closely on the outer wall of piston rod with seal lip 8 this moment to can guarantee its sealed effect to the piston rod.
In this embodiment, it is to be supplemented that a pressure groove 7 located above the groove 6 is formed in the sealing tape main body 1, and the pressure groove 7 is connected with the O-ring 5 in a clamping manner;
it should be noted that, through the arrangement of the pressure groove 7 and the O-ring 5 in the sealing tape main body 1, when the cylinder body is in a loose state, the resilience force of the O-ring 5 in the pressure groove 7 acts on the sealing lip 8, so that it can be ensured that a corresponding adhesive force is always provided between the sealing tape main body 1 and the piston rod, thereby ensuring the sealing and dust-proof effects thereof.
As shown in fig. 2 and 3, the sealing band body 1 is provided with both strip and ring specifications; the arrangement of different specifications is convenient for adapt to the oil cylinders of different models.
The working principle and the using process of the utility model are as follows: when the device is installed, the device is installed between a cylinder body and a piston rod, when the cylinder body applies acting force to the piston rod, the sealing strip main body 1 can be pressed and deformed, meanwhile, the inner diameter dust lip 2 and the outer diameter dust lip 4 are radially expanded and attached to the outer wall of the piston rod and the outer wall of the cylinder body, and further can be sealed, meanwhile, the inner diameter dust lip 2 can scrape impurity dust adhered to the piston rod, the outer diameter dust lip 4 can be attached to the cylinder body, the situation that the impurities enter the inside of the oil cylinder is avoided, the dustproof effect is achieved, when the cylinder body is in a loose state, the rebound force of the O-shaped sealing ring 5 in the pressure groove 7 acts on the sealing lip 8, and further, the sealing strip main body 1 and the piston rod can be guaranteed to have corresponding attaching force all the time, and the sealing and dustproof effects are guaranteed.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a novel take Y shape sealing washer of dustproof effect which characterized in that: including sealing strip main part (1), the inner wall of sealing strip main part (1) is provided with recess (6), be provided with internal diameter dustproof lip (2) and seal lip (8) that are arranged in recess (6) on sealing strip main part (1), and internal diameter dustproof lip (2) and seal lip (8) all directly contact with the piston rod, set up meshing groove (3) with cylinder body looks adaptation on sealing strip main part (1), and be equipped with external diameter dustproof lip (4) that are arranged in meshing groove (3) on sealing strip main part (1).
2. The novel Y-shaped sealing ring with the dustproof function as claimed in claim 1, is characterized in that: the meshing groove (3) and the groove (6) are positioned on two opposite surfaces of the sealing strip main body (1), and an included angle between the outer diameter dust-proof lip (4) on the meshing groove (3) and the groove (6) is 90 degrees.
3. The novel Y-shaped sealing ring with the dustproof function as claimed in claim 1, is characterized in that: the edges of the inner diameter dust lip (2) and the outer diameter dust lip (4) are all set to be right angles.
4. The novel Y-shaped sealing ring with the dustproof function as claimed in claim 1, is characterized in that: the groove (6) is trapezoidal, the inner diameter dust lip (2) and the sealing lip (8) are two trapezoidal inclined planes of the groove (6), and the inner wall of the sealing lip (8) is smooth.
5. The novel Y-shaped sealing ring with the dustproof function as claimed in claim 1, is characterized in that: a pressure groove (7) located above the groove (6) is formed in the sealing strip main body (1), and an O-shaped sealing ring (5) is clamped in the pressure groove (7).
6. The novel Y-shaped sealing ring with the dustproof function as claimed in claim 1, is characterized in that: the sealing strip main body (1) is provided with two specifications of a strip shape and an annular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121312391.2U CN215805510U (en) | 2021-06-11 | 2021-06-11 | Novel Y-shaped sealing ring with dustproof effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121312391.2U CN215805510U (en) | 2021-06-11 | 2021-06-11 | Novel Y-shaped sealing ring with dustproof effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805510U true CN215805510U (en) | 2022-02-11 |
Family
ID=80176435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121312391.2U Expired - Fee Related CN215805510U (en) | 2021-06-11 | 2021-06-11 | Novel Y-shaped sealing ring with dustproof effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805510U (en) |
-
2021
- 2021-06-11 CN CN202121312391.2U patent/CN215805510U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |