CN211344030U - High-stability high-pressure-resistant oil seal for excavator - Google Patents
High-stability high-pressure-resistant oil seal for excavator Download PDFInfo
- Publication number
- CN211344030U CN211344030U CN201922306576.1U CN201922306576U CN211344030U CN 211344030 U CN211344030 U CN 211344030U CN 201922306576 U CN201922306576 U CN 201922306576U CN 211344030 U CN211344030 U CN 211344030U
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- Prior art keywords
- sealing
- rubber
- block
- elastic
- lug
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- 238000007789 sealing Methods 0.000 claims abstract description 99
- 239000003921 oil Substances 0.000 claims description 37
- 229920001971 elastomer Polymers 0.000 claims description 30
- 239000005060 rubber Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 244000043261 Hevea brasiliensis Species 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims description 2
- 229920003049 isoprene rubber Polymers 0.000 claims description 2
- 229920003052 natural elastomer Polymers 0.000 claims description 2
- 229920001194 natural rubber Polymers 0.000 claims description 2
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model provides a high stable high pressure resistant oil blanket for excavator, including annular seal, sealing lug, the slope circle that moves, promote sealing block, auxiliary seal circle, sealed cavity, be provided with sealing lug on the outside middle part face of annular seal, and be provided with the slope circle that moves on the inboard terminal surface of annular seal, be provided with sealed cavity on the one end middle part face of this annular seal and the slope circle that moves; a movable inclined ring is arranged on one end face of the annular sealing body, an auxiliary sealing ring is arranged on one side face of the movable inclined ring, and a pushing sealing block is arranged on the inner side face of the movable inclined ring. The utility model discloses sealed lug adds the setting that promotes sealed piece and elastic support strip, and it is sealed tight to be difficult to have the gap, and is sealed effectual, and high pressure resistant is effectual, the marketing and the application of being convenient for.
Description
Technical Field
The utility model relates to an excavator equipment field especially relates to high stable high pressure resistant oil blanket for excavator.
Background
Oil seals are a common term for seals, simply the seal of lubricating oil. The oil seal is a mechanical element for sealing grease, and separates a part needing lubrication in a transmission part from a force-applying part, so that lubricating oil is prevented from leaking. Static seals and dynamic seals (generally reciprocating) are called oil seals.
The oil seal is generally divided into a single type and an assembly type, wherein the assembly type is that a framework and a lip material can be freely combined and is generally used for special oil seals. Common materials for oil seals are: nitrile rubber, fluororubber, silicone rubber, acrylate rubber, polyurethane, polytetrafluoroethylene and the like, at present, oil seals are widely used, and the excavator needs to use the oil seals for sealing, but the high-stability high-pressure-resistant oil seals for the existing excavator still have the problems of loose sealing, easy gap generation, oil leakage, poor sealing effect and poor high-pressure-resistant effect.
Therefore, the invention is very necessary for the excavator to use the high-stability high-pressure-resistant oil seal.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high stable high pressure resistant oil blanket for excavator to solve current high stable high pressure resistant oil blanket for excavator still to have sealed not tight easy to have the gap, cause the oil leak condition, sealed effect is poor, the poor problem of high pressure resistant effect. The high-stability high-pressure-resistant oil seal for the excavator comprises an annular sealing body, a sealing lug, a movable inclined ring, a pushing sealing block, an auxiliary sealing ring and a sealing cavity, wherein the sealing lug is arranged on the middle surface of the outer side of the annular sealing body, the movable inclined ring is arranged on one end surface of the inner side of the annular sealing body, and the sealing cavity is arranged on the middle surface of one end of the annular sealing body and the movable inclined ring; a movable inclined ring is arranged on one end face of the annular sealing body, an auxiliary sealing ring is arranged on one side face of the movable inclined ring, and a pushing sealing block is arranged on the inner side face of the movable inclined ring; the sealing lug comprises a sealing shell, an elastic supporting strip and a sealing sliding block, the elastic supporting strip is arranged in the sealing shell, and the sealing sliding block is arranged on the lower end face of the sealing shell; the pushing sealing block comprises an installation block, a rubber spring, a protective shell, a rubber block, a rubber sealing plate and a silica gel sealing plate, wherein the rubber spring is installed at one end of the installation block; the elastic support strip comprises a fixing block, an elastic protection shell and an elastic telescopic strip, wherein the elastic protection shell is arranged on the surface of the fixing block, and the elastic telescopic strip is arranged inside the elastic protection shell.
The sealing lug adopts the natural rubber material of trapezoidal shape, and sealing lug is provided with the round, and this sealing lug's inside is provided with the elastic support strip.
Promote sealed piece and adopt irregular shape's rubber material, and rubber spring's material is EP rubbers, and this rubber seal plate's material is silicon rubber, and this silica gel seal plate's material is organic silica gel.
The elastic supporting strip is made of W-shaped rubber, the elastic protective shell is made of chloroprene rubber, and the elastic telescopic strip is made of isoprene rubber.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses sealed lug's setting is favorable to improving sealed effect, and when sealed, is favorable to closely fixing at the hydraulic fluid port edge, prevents that oil from oozing, and high-pressure resistant is sealed effectual, and stability is high.
2. The utility model discloses promote the setting of sealed piece, be favorable to making the oil blanket tightly paste at the hydraulic fluid port when sealed, be favorable to preventing that the gap from causing the oil leak condition, it is sealed effectual, high pressure resistant effectual.
3. The utility model discloses elastic support bar's setting is favorable to supporting sealed lug, can let you more stretch out and draw back through external power, promotes sealed lug's sealed effect, and sealing stability is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a side view of the cross-sectional structure of the present invention.
Fig. 4 is a schematic view of the sealing bump structure of the present invention.
Fig. 5 is a schematic structural view of the push seal block of the present invention.
Fig. 6 is a schematic view of the elastic supporting bar of the present invention.
In the figure:
1-annular sealing body, 2-sealing lug, 21-sealing shell, 22-elastic supporting strip, 221-fixing block, 222-elastic protective shell, 223-elastic telescopic strip, 23-sealing sliding block, 3-moving inclined ring, 4-pushing sealing block, 41-mounting block, 42-rubber spring, 43-protective shell, 44-rubber block, 45-rubber sealing plate, 46-silica gel sealing plate, 5-auxiliary sealing ring and 6-sealing cavity.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 6:
the utility model provides a high-stability high-pressure-resistant oil seal for an excavator, which comprises an annular sealing body 1, a sealing lug 2, a movable inclined ring 3, a pushing sealing block 4, an auxiliary sealing ring 5 and a sealing cavity 6; the sealing lug 2 comprises a sealing shell 21, an elastic supporting strip 22 and a sealing sliding block 23; the pushing sealing block 4 comprises a mounting block 41, a rubber spring 42, a protective shell 43, a rubber block 44, a rubber sealing plate 45 and a silica gel sealing plate 46; the elastic supporting bar 22 comprises a fixed block 221, an elastic protective shell 222 and an elastic telescopic bar 223, when in use, the annular sealing body 1 is nested on the inner wall surface of an oil port of the excavator, the annular sealing body 1 is attached on the oil port surface of the excavator, the sealing convex block 2 is clamped on the bottom end surface of the oil port of the excavator, when the sealing convex block 2 works, the sealing sliding block 23 is firstly contacted with the oil port and slowly slides downwards, the sealing sliding block 23 is inverted triangle-shaped, the material is rubber and has certain elasticity and can move along with a slope, when the sealing sliding block 23 completely slides in, the elastic supporting bar 22 stretches by external pressure, the elastic telescopic bar 223 stretches according to the elasticity of the elastic telescopic bar 223, the sealing shell 21 can smoothly enter one side of the oil port, the sealing shell 21 is clamped at the bottom end of the oil port, the elastic telescopic bar 223 can prolong the service life of the sealing convex block 2, and the convex block, after the installation, when connecting oil pipe or lid oil cover, oil pipe or oil cover exert force, and supplementary sealing washer 5 then moves the skew to the outside, and supplementary sealing washer 5 promotes and moves 3 deflections of slope circle, moves the slope circle 3 and drives and promote the promotion sealing block 4 and promote, and rubber seal plate 45 and silica gel seal plate 46 tightly paste on the side of annular seal 1 under external promotion, exert pressure on the lateral surface, make annular seal 1 tightly paste on the oil mouth face, prevent to have the seam oil impregnate.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (4)
1. High stable high pressure resistant oil blanket for excavator, its characterized in that: the sealing structure comprises an annular sealing body (1), a sealing lug (2), a movable inclined ring (3), a pushing sealing block (4), an auxiliary sealing ring (5) and a sealing cavity (6), wherein the sealing lug (2) is arranged on the middle surface of the outer side of the annular sealing body (1), the movable inclined ring (3) is arranged on one end surface of the inner side of the annular sealing body (1), and the sealing cavity (6) is arranged on the middle surfaces of one ends of the annular sealing body (1) and the movable inclined ring (3); a movable inclined ring (3) is arranged on one end face of the annular sealing body (1), an auxiliary sealing ring (5) is arranged on one side face of the movable inclined ring (3), and a pushing sealing block (4) is arranged on the inner side face of the movable inclined ring (3); the sealing lug (2) comprises a sealing shell (21), an elastic supporting strip (22) and a sealing sliding block (23), the elastic supporting strip (22) is arranged inside the sealing shell (21), and the sealing sliding block (23) is arranged on the lower end face of the sealing shell (21); the pushing sealing block (4) comprises an installation block (41), a rubber spring (42), a protective shell (43), a rubber block (44), a rubber sealing plate (45) and a silica gel sealing plate (46), wherein the rubber spring (42) is installed at one end of the installation block (41), the protective shell (43) is installed on the surface of the installation block (41), the rubber block (44) is installed at one end of the protective shell (43), the rubber sealing plate (45) is arranged on the outer side surface of the rubber block (44), and the silica gel sealing plate (46) is arranged on the outer side surface of the rubber sealing plate (45); the elastic support strip (22) comprises a fixing block (221), an elastic protection shell (222) and an elastic expansion strip (223), wherein the elastic protection shell (222) is arranged on the surface of the fixing block (221), and the elastic expansion strip (223) is arranged inside the elastic protection shell (222).
2. The high-stability high-pressure-resistant oil seal for the excavator according to claim 1, wherein: the sealing lug (2) is made of trapezoidal natural rubber, the sealing lug (2) is provided with a circle, and an elastic supporting strip (22) is arranged inside the sealing lug (2).
3. The high-stability high-pressure-resistant oil seal for the excavator according to claim 1, wherein: promote sealed piece (4) and adopt the rubber material of irregular shape, and the material of rubber spring (42) is ethylene propylene rubber, and the material of this rubber closing plate (45) is silicon rubber, and the material of this silica gel closing plate (46) is organic silica gel.
4. The high-stability high-pressure-resistant oil seal for the excavator according to claim 1, wherein: the elastic supporting strip (22) is made of W-shaped rubber, the elastic protective shell (222) is made of chloroprene rubber, and the elastic telescopic strip (223) is made of isoprene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922306576.1U CN211344030U (en) | 2019-12-20 | 2019-12-20 | High-stability high-pressure-resistant oil seal for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922306576.1U CN211344030U (en) | 2019-12-20 | 2019-12-20 | High-stability high-pressure-resistant oil seal for excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211344030U true CN211344030U (en) | 2020-08-25 |
Family
ID=72103419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922306576.1U Active CN211344030U (en) | 2019-12-20 | 2019-12-20 | High-stability high-pressure-resistant oil seal for excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211344030U (en) |
-
2019
- 2019-12-20 CN CN201922306576.1U patent/CN211344030U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Longquan Yide Construction Machinery Co.,Ltd. Assignor: ZHEJIANG GUANGLI ENGINEERING MACHINERY Co.,Ltd. Contract record no.: X2021330000694 Denomination of utility model: High stability and high pressure resistant oil seal for excavator Granted publication date: 20200825 License type: Common License Record date: 20211104 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High stability and high-pressure oil seal for excavators Granted publication date: 20200825 Pledgee: Postal Savings Bank of China Limited Longquan City Sub-branch Pledgor: ZHEJIANG GUANGLI ENGINEERING MACHINERY Co.,Ltd. Registration number: Y2024330000921 |