CN220168570U - High-pressure compensation type sealing ring - Google Patents
High-pressure compensation type sealing ring Download PDFInfo
- Publication number
- CN220168570U CN220168570U CN202321508438.1U CN202321508438U CN220168570U CN 220168570 U CN220168570 U CN 220168570U CN 202321508438 U CN202321508438 U CN 202321508438U CN 220168570 U CN220168570 U CN 220168570U
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- China
- Prior art keywords
- seal
- framework
- sealing ring
- oil seal
- oil
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 27
- 239000010720 hydraulic oil Substances 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 208000035874 Excoriation Diseases 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical group [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a high-pressure compensation type sealing ring, which relates to the technical field of hydraulic excavator driving and comprises the following components: the oil seal framework, the integrated sealing ring and the lip seal are fixedly connected with the oil seal framework and protrude out of the upper side and the lower side of the oil seal framework; the upper side and the lower side of the lip seal are of Y-shaped structures, the lip seal is clamped on the inner side of the oil seal framework, the service life of the hydraulic oil pipe is effectively prolonged, the leakage of hydraulic oil is reduced, and the maintenance cost of enterprises is reduced.
Description
Technical Field
The utility model relates to the technical field of hydraulic excavator driving, in particular to a high-pressure compensation type sealing ring.
Background
The small loose hydraulic excavator is large hydraulic excavating equipment introduced by Barun mining division, the PC5500 rotary braking mode belongs to a spring loading disc brake mode, the internal structure of a brake valve is complex, the pressure is high, and the hydraulic excavating equipment belongs to the loading braking category. At present, the rotary brake valve is frequently replaced and sealed, and the combined type seal is structurally divided into two parts, wherein one part is a longitudinal irregular support ring, and the other part is a fluorine rubber O-shaped ring, and the two parts are combined together. The combined seal is compressed and deformed by the supporting ring after use, and the high-pressure pulse damage of the O-shaped ring is directly caused. According to comprehensive analysis, although the combined seal can play a certain sealing effect, the O-shaped ring (FKM) has poor deformation inhibiting capability and has no positioning function, so that improvement measures are provided to avoid frequent oil leakage faults at the position. In order to avoid the problems, the sealing part of the O-shaped ring is analyzed, and the defect of the original sealing ring in design is found, so that the service life is short, and a novel structure is designed to protect equipment so as to achieve the characteristic of high pressure.
Disclosure of Invention
The utility model aims to provide a high-pressure compensation type sealing ring, which solves the problems in the prior art, effectively prolongs the service life of a hydraulic oil pipe, reduces the leakage of hydraulic oil and reduces the maintenance cost of enterprises.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a high-pressure compensation type sealing ring, which comprises: the oil seal framework, the integrated sealing ring and the lip seal are fixedly connected with the oil seal framework and protrude out of the upper side and the lower side of the oil seal framework; the upper and lower both sides of lip seal are Y-shaped structure, the sealed joint of lip is in the oil blanket skeleton inboard.
Preferably, the cross section of the oil seal framework is rectangular.
Preferably, the oil seal framework is of an iron structure.
Preferably, the oil seal framework is provided with a circular arc-shaped fixing groove, and the circular arc-shaped fixing groove is used for fixing the integrated sealing ring.
Preferably, a clamping groove is formed in the back of the lip seal ring and used for being connected with the inner ring of the oil seal framework in a clamping mode.
Preferably, the clamping groove is a C-shaped connector arranged along the back circumferential direction of the lip seal ring.
Compared with the prior art, the utility model has the following technical effects:
the utility model provides a high-pressure compensation type sealing ring, which comprises an oil seal framework, wherein the upper side and the lower side of the oil seal framework are respectively provided with an integrated sealing ring, the inner side of the oil seal framework is provided with a Y-shaped lip seal, the integrated sealing rings are used for pressure buffering, and the Y-shaped lip seals are mainly used for pressure compensation and adaptation to high-pressure equipment. The problem that leakage of hydraulic oil, early abrasion of a hydraulic pipe, damage of a valve element in a repeated screwing process and the like are caused by the fact that protection is not in place is reduced, cost of replacing a sealing ring can be reduced, damage of integral replacement caused by the fact that abrasion of the sealing ring is increased due to the fact that self protection compensation is not in place can be avoided, on one hand, failure time is prolonged, on the other hand, cost waste is caused, and meanwhile waste of hydraulic oil and loss of spare parts can be effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a high pressure compensating seal ring according to the present utility model;
FIG. 2 is a schematic diagram of the structure of an oil seal skeleton in a high-pressure compensation seal ring;
in the figure: 1. an oil seal framework; 2. circular arc fixing groove; 3. an integral sealing ring; 4. y-shaped lip seal; 5. a C-type interface.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a high-pressure compensation type sealing ring, which solves the problems in the prior art, effectively prolongs the service life of a hydraulic oil pipe, reduces the leakage of hydraulic oil and reduces the maintenance cost of enterprises.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The utility model provides a high-pressure compensation type sealing ring, as shown in figures 1-2, comprising: the oil seal framework 1, the integrated sealing ring 3 and the lip are sealed, and the integrated sealing ring 3 is fixedly connected with the oil seal framework 1 and protrudes out of the upper side and the lower side of the oil seal framework 1; the upper and lower both sides of lip seal are Y type structure, and lip seal joint is inboard at oil blanket skeleton 1, and integral type sealing washer 3 is used for pressure buffering, and the upper and lower lip seal 4 that all is Y type mainly used pressure compensation and adaptation high pressure equipment. The problem that leakage of hydraulic oil, early abrasion of a hydraulic pipe, damage of a valve element in a repeated screwing process and the like are caused by the fact that protection is not in place is reduced, cost of replacing a sealing ring can be reduced, damage of integral replacement caused by the fact that abrasion of the sealing ring is increased due to the fact that self protection compensation is not in place can be avoided, on one hand, failure time is prolonged, on the other hand, cost waste is caused, and meanwhile waste of hydraulic oil and loss of spare parts can be effectively reduced.
In a preferred embodiment, the oil seal skeleton 1 is rectangular in cross section.
In a preferred embodiment, the oil seal skeleton 1 is of a ferrous structure.
In a preferred embodiment, the oil seal framework 1 is provided with a circular arc-shaped fixing groove 2, the circular arc-shaped fixing groove 2 is used for fixing the integrated sealing ring 3, the circular arc-shaped fixing groove 2 is mainly used for fixing the sealing ring, and meanwhile, the sealing ring is used for pressure buffering and compensating the sealing of the Y-shaped lip seal 4.
In a preferred embodiment, the integrated sealing ring 3 is provided with a variability-compensating sealing ring.
In a preferred embodiment, the back of the lip seal ring is provided with a clamping groove, and the clamping groove is used for being in clamping connection with the inner ring of the oil seal framework 1.
In a preferred embodiment, the clamping groove is a C-shaped interface 5 arranged along the back circumferential direction of the lip seal ring, and the clamping groove is simple in structure and can be combined with the inner ring of the oil seal framework 1.
The installation process comprises the following steps: the high-pressure compensation type sealing ring provided by the utility model is only needed to be taken to the site, the original rubber tube or the valve part is disassembled, the high-pressure compensation type sealing ring provided by the utility model is placed between the rubber tube or the valve part to be sealed, and the sealing is achieved through fastening by a screw, and the deformation compensation of the integrated sealing ring 3 and the Y-shaped lip seal 4 in the sealing ring. Thus, normal production can be performed to prolong the service life. The aim of reducing the cost and enhancing the efficiency is achieved.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (6)
1. The utility model provides a high pressure compensation formula sealing washer which characterized in that: comprising the following steps:
an oil seal framework is arranged on the inner side of the shell,
the integrated sealing ring is fixedly connected with the oil seal framework and protrudes out of the upper side and the lower side of the oil seal framework; and
and the upper side and the lower side of the lip seal are both Y-shaped structures, and the lip seal is clamped on the inner side of the oil seal framework.
2. The high pressure compensated seal ring of claim 1, wherein: the cross section of the oil seal framework is rectangular.
3. The high pressure compensated seal ring of claim 1, wherein: the oil seal framework is of an iron structure.
4. The high pressure compensated seal ring of claim 1, wherein: the oil seal framework is provided with an arc-shaped fixing groove which is used for fixing the integrated sealing ring.
5. The high pressure compensated seal ring of claim 1, wherein: the back of lip sealing washer is provided with the joint groove, the joint groove be used for with the inner circle joint of oil blanket skeleton is connected.
6. The high pressure compensated seal of claim 5 wherein: the clamping groove is a C-shaped connector which is arranged along the back annular direction of the lip seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508438.1U CN220168570U (en) | 2023-06-13 | 2023-06-13 | High-pressure compensation type sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508438.1U CN220168570U (en) | 2023-06-13 | 2023-06-13 | High-pressure compensation type sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220168570U true CN220168570U (en) | 2023-12-12 |
Family
ID=89051966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321508438.1U Active CN220168570U (en) | 2023-06-13 | 2023-06-13 | High-pressure compensation type sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220168570U (en) |
-
2023
- 2023-06-13 CN CN202321508438.1U patent/CN220168570U/en active Active
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