CN211117598U - Sealing ring for piston rod - Google Patents
Sealing ring for piston rod Download PDFInfo
- Publication number
- CN211117598U CN211117598U CN201922015291.2U CN201922015291U CN211117598U CN 211117598 U CN211117598 U CN 211117598U CN 201922015291 U CN201922015291 U CN 201922015291U CN 211117598 U CN211117598 U CN 211117598U
- Authority
- CN
- China
- Prior art keywords
- inner ring
- piston rod
- ring
- heat dissipation
- layer
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 48
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims description 33
- 239000003292 glue Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 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
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- Sealing Devices (AREA)
Abstract
The utility model discloses a sealing washer for piston rod, including outer loop, inner ring one and shrink layer, the outer loop upper end is provided with inner ring one, the outer loop material is the boiled glue, the outer loop lower extreme is provided with inner ring two, inner ring one with all be provided with on the two inside walls of inner ring the shrink layer, inner ring one become in on the outer loop, inner ring two become in on the outer loop, shrink layer shaping in inner ring one and on the inner ring two. Has the advantages that: the utility model discloses a set up the shrink layer, can make the piston rod more tight to the piston cylinder internal seal when the motion, improve the work efficiency of piston rod.
Description
Technical Field
The utility model relates to a sealing washer technical field, concretely relates to sealing washer for piston rod.
Background
The selection of the material of the sealing ring has important significance on the sealing performance and the service life of the sealing ring, and the performance of the material directly influences the use performance of the sealing ring.
At present, the sealing ring for the existing piston rod mostly adopts a single-hole sealing structure form, and due to the long-time movement of the piston rod, the sealing in a piston cylinder is not tight, so that the working efficiency of the piston rod is reduced, and secondly, when the piston rod moves, the generated high temperature easily causes the deformation or damage of the sealing ring, so that the service life of the sealing ring is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the sealing ring for the piston rod is provided, and the problems that the sealing in a piston cylinder is not tight due to the long-time movement of the piston rod and the working efficiency of the piston rod is reduced in the existing sealing ring for the piston rod are solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a sealing washer for piston rod, including outer loop, inner ring one and shrink layer, the outer loop upper end is provided with inner ring one, the outer loop material is the boiled glue, the outer loop lower extreme is provided with inner ring two, inner ring one with all be provided with on the two inside walls of inner ring the shrink layer, inner ring one become in on the outer loop, inner ring two shaping in on the outer loop, shrink layer shaping in inner ring one and on the inner ring two.
Furthermore, the outer sides of the first inner ring and the second inner ring are both provided with heat dissipation layers, heat dissipation holes are formed in the heat dissipation layers, and the number of the heat dissipation holes is six.
Through adopting above-mentioned technical scheme, through the louvre can disperse the heat that the piston rod produced when moving, delays the life of sealing washer.
Furthermore, the upper end of the outer ring is provided with a groove, the outer side of the groove is provided with a wear-resistant layer, and a high-temperature layer is arranged below the wear-resistant layer.
By adopting the technical scheme, the service life of the sealing ring is prolonged when the piston rod moves through the wear-resistant layer.
Furthermore, the first inner ring and the second inner ring are both bonded with the heat dissipation layer, and the heat dissipation holes are formed in the heat dissipation layer.
By adopting the technical scheme, the heat generated by the piston rod during movement can be relieved through the heat dissipation layer.
Further, the groove is formed on the outer ring.
By adopting the technical scheme, waste oil generated by the piston rod during movement can be collected through the groove.
Further, the wear-resistant layer is bonded with the outer ring.
Through adopting above-mentioned technical scheme for the piston rod reduces the friction when moving.
Further, the high temperature layer is bonded with the outer ring.
By adopting the technical scheme, the high-temperature layer can avoid damaging the sealing ring for the high temperature generated by the piston rod during movement.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1. for solving current sealing washer for piston rod mostly adopts the sealed structural style of haplopore, because the long-time motion of piston rod causes the interior not tight of appearing sealing of piston cylinder, reduces piston rod work efficiency's problem, the utility model discloses a set up the shrink layer, can make the piston rod more tight to the piston cylinder internal seal when the motion, improve the work efficiency of piston rod.
2. For solving current most sealing washers for piston rod when following the piston rod motion, the high temperature of production causes the sealing washer to warp easily or damaged, reduces sealing washer life's problem, the utility model discloses a set up heat dissipation layer and louvre, can make the piston rod and the sealing washer high temperature that the friction produced when the motion dispel the heat for deformation or damage, the life of extension sealing washer are avoided appearing in the sealing washer.
Drawings
Fig. 1 is a schematic structural view of a sealing ring for a piston rod according to the present invention;
fig. 2 is a top view of the sealing ring for piston rod according to the present invention.
The reference numerals are explained below:
1. an outer ring; 2. an inner ring I; 3. an inner ring II; 4. a shrink layer; 5. a heat dissipation layer; 6. heat dissipation holes; 7. a groove; 8. a wear layer; 9. a high temperature layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, the piston rod sealing ring in this embodiment includes an outer ring 1, an inner ring one 2, and a shrinking layer 4, the upper end of the outer ring 1 is provided with the inner ring one 2, the outer ring 1 is made of a cured adhesive, the lower end of the outer ring 1 is provided with the inner ring two 3, the inner side walls of the inner ring one 2 and the inner ring two 3 are both provided with the shrinking layer 4, the inner ring one 2 is formed on the outer ring 1, the inner ring two 3 is formed on the outer ring 1, the shrinking layer 4 is formed on the inner ring one 2 and the inner ring two 3, the outer sides of the inner ring one 2 and the inner ring two 3 are both provided with heat dissipation layers 5, the heat dissipation layers 5 are provided with six heat dissipation holes 6, the number of the heat dissipation holes 6 is six, heat generated when the piston rod moves can be dissipated through the heat dissipation holes 6, the service life of the sealing ring is prolonged, the upper end of the outer ring 1 is provided with, make the piston rod through wearing layer 8 the life of long sealing washer when moving, inner ring 2 and inner ring two 3 all bond with heat dissipation layer 5, louvre 6 shaping is on heat dissipation layer 5, the heat that produces when the piston rod moves can be alleviated through heat dissipation layer 5, recess 7 shaping is on outer loop 1, waste oil that can make the piston rod produce when moving through recess 7 is collected, wearing layer 8 bonds with outer loop 1, make the piston rod reduce the friction when the motion, high temperature layer 9 bonds with outer loop 1, can be to the high temperature that the piston rod produced when the motion through high temperature layer 9, avoid destroying the sealing washer.
As shown in fig. 1-2, in this embodiment, the shrinkage layer 4 is formed on the inner ring i 2 and the inner ring ii 3, so that the piston rod can be tightly sealed in the piston cylinder during movement, and the working efficiency of the piston rod is improved.
As shown in fig. 1-2, in this embodiment, the first inner ring 2 and the second inner ring 3 are both bonded to the heat dissipation layer 5, and the heat dissipation hole 6 is formed in the heat dissipation layer 5, so that the piston rod and the sealing ring can be subjected to high temperature generated by friction during movement to dissipate heat, thereby preventing the sealing ring from being deformed or damaged and prolonging the service life of the sealing ring.
The specific implementation process of this embodiment is as follows: the sealing ring is sleeved on the piston rod, one end of the piston rod is inserted into the piston cylinder, the sealing ring is attached to the side wall of the piston cylinder and fixed, the piston rod is pushed to move up and down, so that the outer ring 1 and the wall of the piston cylinder are in differential friction, the piston rod is in friction with the sealing ring during movement to generate high temperature, the sealing ring is easy to deform, partial heat is directly absorbed and dissipated out through the heat dissipation layer 5 and the heat dissipation holes 6, the service life of the sealing ring is prolonged, the continuous movement of the piston rod enables the temperature in the piston cylinder to be overhigh, the high temperature layer 9 can prevent the temperature in the piston cylinder, oil leakage is easy to occur during the movement of the piston rod, waste oil is collected through the groove 7 on the outer side of the sealing ring, the sealing ring is tight, the piston rod can be tightly sealed in the piston cylinder during movement, the working, the heat dissipation is carried out, so that the sealing ring is prevented from being deformed or damaged, and the service life of the sealing ring is prolonged.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (7)
1. The utility model provides a sealing washer for piston rod which characterized in that: including outer ring (1), inner ring (2) and shrink layer (4), outer ring (1) upper end is provided with inner ring (2), outer ring (1) material is the chamotte, outer ring (1) lower extreme is provided with inner ring two (3), inner ring (2) with all be provided with on inner ring two (3) inside wall shrink layer (4), inner ring one (2) shaping in on outer ring (1), inner ring two (3) shaping in on outer ring (1), shrink layer (4) shaping in inner ring one (2) and on inner ring two (3).
2. The seal ring for a piston rod according to claim 1, wherein: the heat dissipation structure is characterized in that heat dissipation layers (5) are arranged on the outer sides of the first inner ring (2) and the second inner ring (3), heat dissipation holes (6) are formed in the heat dissipation layers (5), and the number of the heat dissipation holes (6) is six.
3. The seal ring for a piston rod according to claim 2, wherein: the outer ring is characterized in that a groove (7) is formed in the upper end of the outer ring (1), a wear-resistant layer (8) is arranged on the outer side of the groove (7), and a high-temperature layer (9) is arranged below the wear-resistant layer (8).
4. The seal ring for a piston rod according to claim 2, wherein: the inner ring I (2) and the inner ring II (3) are both bonded with the heat dissipation layer (5), and the heat dissipation holes (6) are formed in the heat dissipation layer (5).
5. A seal ring for a piston rod according to claim 3, wherein: the groove (7) is formed in the outer ring (1).
6. A seal ring for a piston rod according to claim 3, wherein: the wear-resistant layer (8) is bonded with the outer ring (1).
7. A seal ring for a piston rod according to claim 3, wherein: the high-temperature layer (9) is bonded with the outer ring (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922015291.2U CN211117598U (en) | 2019-11-20 | 2019-11-20 | Sealing ring for piston rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922015291.2U CN211117598U (en) | 2019-11-20 | 2019-11-20 | Sealing ring for piston rod |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211117598U true CN211117598U (en) | 2020-07-28 |
Family
ID=71701392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922015291.2U Expired - Fee Related CN211117598U (en) | 2019-11-20 | 2019-11-20 | Sealing ring for piston rod |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211117598U (en) |
-
2019
- 2019-11-20 CN CN201922015291.2U patent/CN211117598U/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 |
Granted publication date: 20200728 |
|
CF01 | Termination of patent right due to non-payment of annual fee |