CN205559415U - Hydraulic piston pole sealing member - Google Patents
Hydraulic piston pole sealing member Download PDFInfo
- Publication number
- CN205559415U CN205559415U CN201620285639.3U CN201620285639U CN205559415U CN 205559415 U CN205559415 U CN 205559415U CN 201620285639 U CN201620285639 U CN 201620285639U CN 205559415 U CN205559415 U CN 205559415U
- Authority
- CN
- China
- Prior art keywords
- lip
- epipharynx
- outer lip
- little
- utility
- 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
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to a hydraulic piston pole sealing member, including sealed main body, last outer lip and the epipharynx of being equipped with of sealed main body is equipped with the recess between outer lip and the epipharynx, is equipped with the chamfer on the lip of outer lip and epipharynx respectively. The utility model discloses hydraulic piston pole sealing member novel structure, sealed effectual.
Description
Technical field
This utility model relates to sealing member, is specifically related to a kind of hydrodynamic piston shaft sealing part.
Background technology
Hydraulic jack belongs to high-frequent reciprocating motion, it is widely used in excavator, loader, agricultural machinery etc., wherein the effect of hydraulic packing prevents from revealing exactly, but improve sealing and will increase frictional force, and frictional force increase can directly result in motor capacity and reduce with quality, and rubbing and can accelerate the abrasion of sealing member, friction and wear is the main cause causing seal break-off.So in the seal, handling sealing well, need to design from multiple angles such as friction, structure, lubrications, therefore the design shape of product becomes extremely important.
Summary of the invention
Technical problem to be solved in the utility model is the deficiency overcoming prior art to be, it is provided that a kind of novel structure, good sealing effect, it is possible to the hydrodynamic piston shaft sealing part of self-lubricating.
For solving above technical problem, a kind of technical scheme that this utility model is taked is:
A kind of hydrodynamic piston shaft sealing part, including sealed body, sealed body is provided with outer lip and epipharynx, is provided with groove between outer lip and epipharynx, and outer lip is respectively equipped with chamfering on the lip of epipharynx.
Preferably, chamfering scope exists
40
°
~60
°。
Preferably, sealed body is provided with two little lips.
It is further preferred that two little lips are symmetrical arranged on sealed body.
It is further preferred that the extrusion position of little lip is equal to or less than outer lip or the lip position of epipharynx.
Due to the employing of above technical scheme, this utility model compared with prior art has the advantage that
1
, this utility model epipharynx and outer lip lip on arrange
40~60
Degree chamfering, scrapes impurity it is thus possible to significantly more efficient；
2
, two little lips of this utility model extrusion position equal to or less than epipharynx or the lip of outer lip, this structure has deformability well, adapts to the operating mode under different stress so that the most all have the effect of oil storage tank；
3
, the position of two little lips of extrusion position of two little lips of this utility model be symmetrical, so can keep maximum compressive strength in this position, thus maximum compression stress be provided in the case of identical decrement, thus ensure that it seals.
Accompanying drawing explanation
Figure
1
For structural representation of the present utility model；
Wherein:
1
, outer lip；
2
, epipharynx；
3
, groove；
4
, chamfering；
5
, little lip；
6
, sealed body.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment.
Such as accompanying drawing
1
Shown in, this utility model one hydrodynamic piston shaft sealing part, including sealed body
6
, sealed body
6
It is provided with outer lip
1
And epipharynx
2
, outer lip
1
With epipharynx
2
Between be provided with groove
3
, outer lip
1
With epipharynx
2
Lip on be respectively equipped with chamfering
4
。
In the present embodiment, chamfering
4
Scope exist
40
°
~60
°。
In the present embodiment, sealed body
6
It is provided with two little lips
5
, two little lips
5
At sealed body
6
On be symmetrical arranged.
In the present embodiment, little lip
5
Extrusion position equal to or less than outer lip
1
Or epipharynx
2
Lip position.
This utility model one hydrodynamic piston shaft sealing part, including one epipharynx of an outer lip, and two little lips, two big lips play the effect sealing pressurize, transmitting hydraulic coupling with this, two little lips can be used to oil storage, thus forms one layer of oil film, reaching the effect of self-lubricating, two other little lip can seal big lip leakage of oil when.
Above this utility model is described in detail, all equivalence changes made according to this utility model spirit or modification, all should contain within protection domain of the present utility model。
Claims (5)
1. a hydrodynamic piston shaft sealing part, including sealed body, it is characterised in that: described sealed body is provided with outer lip and epipharynx, is provided with groove between described outer lip and described epipharynx, and described outer lip is respectively equipped with chamfering on the lip of described epipharynx.
Hydrodynamic piston shaft sealing part the most according to claim 1, it is characterised in that: described chamfering scope is at 40 ° ~ 60 °.
Hydrodynamic piston shaft sealing part the most according to claim 1, it is characterised in that: described sealed body is provided with two little lips.
Hydrodynamic piston shaft sealing part the most according to claim 3, it is characterised in that: two described little lips are symmetrical arranged on described sealed body.
Hydrodynamic piston shaft sealing part the most according to claim 4, it is characterised in that: the extrusion position of described little lip equals to or less than described outer lip or the lip position of described epipharynx.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620285639.3U CN205559415U (en) | 2016-04-07 | 2016-04-07 | Hydraulic piston pole sealing member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620285639.3U CN205559415U (en) | 2016-04-07 | 2016-04-07 | Hydraulic piston pole sealing member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559415U true CN205559415U (en) | 2016-09-07 |
Family
ID=56810304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620285639.3U Expired - Fee Related CN205559415U (en) | 2016-04-07 | 2016-04-07 | Hydraulic piston pole sealing member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764136A (en) * | 2019-03-01 | 2019-05-17 | 广州市阪上橡胶制品有限公司 | A kind of novel oil cylinder sealing element |
-
2016
- 2016-04-07 CN CN201620285639.3U patent/CN205559415U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764136A (en) * | 2019-03-01 | 2019-05-17 | 广州市阪上橡胶制品有限公司 | A kind of novel oil cylinder sealing element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20170407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |