CN112793203A - One-step forming method of high-low pressure bidirectional high-strength oil seal - Google Patents
One-step forming method of high-low pressure bidirectional high-strength oil seal Download PDFInfo
- Publication number
- CN112793203A CN112793203A CN202011538052.6A CN202011538052A CN112793203A CN 112793203 A CN112793203 A CN 112793203A CN 202011538052 A CN202011538052 A CN 202011538052A CN 112793203 A CN112793203 A CN 112793203A
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- Prior art keywords
- framework
- low
- pressure
- shaped outer
- pressure end
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 13
- 239000002639 bone cement Substances 0.000 claims abstract description 4
- 238000004073 vulcanization Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0053—Producing sealings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0082—Producing articles in the form of closed loops, e.g. rings
- B29D99/0085—Producing articles in the form of closed loops, e.g. rings for sealing purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention discloses a one-step forming method of a high-low pressure bidirectional high-strength oil seal, which comprises a T-shaped outer framework and a vertical inner framework, and comprises the following steps: step A, positioning the T-shaped outer framework and the vertical inner framework to enable the vertical rods of the vertical inner framework and the T-shaped outer framework to be positioned on the same straight line and a gap to be reserved between the vertical rods and the T-shaped outer framework; b, injecting rubber and bone glue for vulcanization, taking the T-shaped outer framework and the vertical inner framework as centers, and wrapping and forming, wherein the forming comprises a low-pressure end and a high-pressure end, and the low-pressure end and the high-pressure end are respectively positioned at two sides of the vertical inner framework; c, clamping the support ring on the inner side surface of the high-pressure end; and D, installing and clamping annular spring bodies on the outer surfaces of the low-voltage end and the high-voltage end. The method of the invention is reasonable, can complete the molding of the low-pressure oil seal and the high-pressure oil seal at one time, is beneficial to improving the processing efficiency, thereby reducing the processing cost when in use, is an integral structure, can also increase the high-pressure sealing performance, and has strong practicability.
Description
Technical Field
The invention belongs to the technical field of oil seal processing methods, and particularly relates to a one-step forming method of a high-low pressure bidirectional high-strength oil seal.
Background
In the prior art, a middle-high-low pressure bidirectional oil seal structure is formed by two oil seals with different functions respectively based on the traditional and imported oil seals when in use, one oil seal is sealed at high pressure and the other oil seal is sealed at low pressure, two times of assembly are needed, the corresponding cost is higher, and the problems in the assembly link are relatively more, so that the applicability and the practicability are limited.
Disclosure of Invention
The invention aims to provide a one-step forming method of a high-pressure and low-pressure bidirectional high-strength oil seal.
The technical scheme for realizing the aim of the invention is a one-step forming method of a high-low pressure bidirectional high-strength oil seal, which comprises a T-shaped outer framework and a vertical inner framework and comprises the following steps: step A, positioning the T-shaped outer framework and the vertical inner framework to enable the vertical rods of the vertical inner framework and the T-shaped outer framework to be positioned on the same straight line and a gap to be reserved between the vertical rods and the T-shaped outer framework;
b, injecting rubber and bone glue for vulcanization, taking the T-shaped outer framework and the vertical inner framework as centers, and wrapping and forming, wherein the forming comprises a low-pressure end and a high-pressure end, and the low-pressure end and the high-pressure end are respectively positioned at two sides of the vertical inner framework;
c, clamping the support ring on the inner side surface of the high-pressure end;
and D, installing and clamping annular spring bodies on the outer surfaces of the low-voltage end and the high-voltage end.
In the step B, abutting lips are integrally formed on the inner side surfaces of the low-pressure end and the high-pressure end, the support ring is located between the abutting lips of the high-pressure end and the vertical inner framework, and the height of the support ring is smaller than that of the abutting lips of the high-pressure end.
In the step A, a round hole is formed in the transverse part of the T-shaped outer framework and is positioned on one side of the low-pressure end.
The thickness of the high-pressure end side in the transverse part of the T-shaped outer framework is larger than that of the low-end part side.
The T-shaped outer framework and the vertical inner framework are both metal frameworks.
The invention has the positive effects that: the method of the invention is reasonable, can finish the low pressure oil seal and the high pressure oil seal molding at one time, is not only favorable for improving the processing efficiency, but also has a low pressure end and a high pressure end, thereby reducing the processing cost when in use, and is an integrated structure, thereby increasing the high pressure sealing performance, and the practicability is strong.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the finished product of the invention.
Detailed Description
(example 1)
Fig. 1 shows an embodiment of the present invention, wherein fig. 1 is a schematic structural diagram of a finished product of the present invention.
Referring to fig. 1, a one-step molding method of a high-low pressure bidirectional high-strength oil seal comprises a T-shaped outer framework and a vertical inner framework, and comprises the following steps: a, positioning a T-shaped outer framework 1 and a vertical inner framework 2 to enable vertical rods of the vertical inner framework and the T-shaped outer framework to be positioned on the same straight line and a gap to be reserved between the vertical rods and the T-shaped outer framework;
b, injecting rubber and bone glue for vulcanization, taking the T-shaped outer framework and the vertical inner framework as centers, and wrapping and forming, wherein the forming comprises a low-pressure end 3 and a high-pressure end 4, and the low-pressure end and the high-pressure end are respectively positioned at two sides of the vertical inner framework;
c, clamping the support ring 5 on the inner side surface of the high-pressure end;
and D, installing and clamping the annular spring bodies 6 on the outer surfaces of the low-voltage end and the high-voltage end.
In the step B, abutting lips are integrally formed on the inner side surfaces of the low-pressure end and the high-pressure end, the support ring is located between the abutting lips of the high-pressure end and the vertical inner framework, and the height of the support ring is smaller than that of the abutting lips of the high-pressure end.
In the step A, a round hole 7 is arranged at the transverse part of the T-shaped outer framework and is positioned at one side of the low-pressure end.
The thickness of the high-pressure end side in the transverse part of the T-shaped outer framework is larger than that of the low-end part side.
The T-shaped outer framework and the vertical inner framework are both metal frameworks.
The method of the invention is reasonable, can finish the low pressure oil seal and the high pressure oil seal molding at one time, is not only favorable for improving the processing efficiency, but also has a low pressure end and a high pressure end, thereby reducing the processing cost when in use, and is an integrated structure, thereby increasing the high pressure sealing performance, and the practicability is strong.
The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural components described in the specification and drawings may be obtained by processing without any doubt according to the common general knowledge in the art, and the connection manner of the respective parts is by the conventional means developed in the art, and the machines, parts and equipment are of the conventional type in the art, so that the detailed description thereof is omitted.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (5)
1. The one-step forming method of the high-low pressure bidirectional high-strength oil seal comprises a T-shaped outer framework and a vertical inner framework, and is characterized in that: the method comprises the following steps: step A, positioning the T-shaped outer framework and the vertical inner framework to enable the vertical rods of the vertical inner framework and the T-shaped outer framework to be positioned on the same straight line and a gap to be reserved between the vertical rods and the T-shaped outer framework;
b, injecting rubber and bone glue for vulcanization, taking the T-shaped outer framework and the vertical inner framework as centers, and wrapping and forming, wherein the forming comprises a low-pressure end and a high-pressure end, and the low-pressure end and the high-pressure end are respectively positioned at two sides of the vertical inner framework;
c, clamping the support ring on the inner side surface of the high-pressure end;
and D, installing and clamping annular spring bodies on the outer surfaces of the low-voltage end and the high-voltage end.
2. The one-step forming method of the high-low pressure bidirectional high-strength oil seal as claimed in claim 1, wherein: in the step B, abutting lips are integrally formed on the inner side surfaces of the low-pressure end and the high-pressure end, the support ring is located between the abutting lips of the high-pressure end and the vertical inner framework, and the height of the support ring is smaller than that of the abutting lips of the high-pressure end.
3. The one-step forming method of the high-low pressure bidirectional high-strength oil seal as claimed in claim 2, wherein: in the step A, a round hole is formed in the transverse part of the T-shaped outer framework and is positioned on one side of the low-pressure end.
4. The one-step forming method of the high-low pressure bidirectional high-strength oil seal as claimed in claim 3, wherein: the thickness of the high-pressure end side in the transverse part of the T-shaped outer framework is larger than that of the low-end part side.
5. The one-step forming method of the high-low pressure bidirectional high-strength oil seal as claimed in claim 4, wherein: the T-shaped outer framework and the vertical inner framework are both metal frameworks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011538052.6A CN112793203A (en) | 2020-12-23 | 2020-12-23 | One-step forming method of high-low pressure bidirectional high-strength oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011538052.6A CN112793203A (en) | 2020-12-23 | 2020-12-23 | One-step forming method of high-low pressure bidirectional high-strength oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112793203A true CN112793203A (en) | 2021-05-14 |
Family
ID=75807348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011538052.6A Pending CN112793203A (en) | 2020-12-23 | 2020-12-23 | One-step forming method of high-low pressure bidirectional high-strength oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112793203A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201103687Y (en) * | 2007-09-30 | 2008-08-20 | 青岛海力威密封有限公司 | Split combined double-lip grease seal |
| JP2008309273A (en) * | 2007-06-15 | 2008-12-25 | Arai Seisakusho Co Ltd | Sealing device |
| CN202431971U (en) * | 2011-12-16 | 2012-09-12 | 青岛开世密封工业有限公司 | Combination type polytetrafluoroethylene (PTFE) gear ring oil seal |
| CN102734469A (en) * | 2011-04-01 | 2012-10-17 | 江门市鑫辉密封科技有限公司 | Rotation assembling oil seal for being used under middle and high pressure |
| CN202834077U (en) * | 2012-09-14 | 2013-03-27 | 青岛开世密封工业有限公司 | Oil seal combining three lips |
| CN202946681U (en) * | 2012-10-24 | 2013-05-22 | 青岛海力威新材料科技股份有限公司 | Wet brake oil seal |
| CN105889518A (en) * | 2016-05-27 | 2016-08-24 | 成都盛帮密封件股份有限公司 | Enhanced oil seal and manufacturing process thereof |
| CN111043316A (en) * | 2019-12-23 | 2020-04-21 | 西北橡胶塑料研究设计院有限公司 | Combined double-lip oil seal for miniature gear pump |
| CN210600178U (en) * | 2019-05-30 | 2020-05-22 | 邢台山峰特种橡胶制品有限公司 | Multi-lip oil seal |
| CN111795151A (en) * | 2020-07-18 | 2020-10-20 | 盐城乔胜机动车配件有限公司 | Wind power generation gearbox oil seal and manufacturing method thereof |
-
2020
- 2020-12-23 CN CN202011538052.6A patent/CN112793203A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008309273A (en) * | 2007-06-15 | 2008-12-25 | Arai Seisakusho Co Ltd | Sealing device |
| CN201103687Y (en) * | 2007-09-30 | 2008-08-20 | 青岛海力威密封有限公司 | Split combined double-lip grease seal |
| CN102734469A (en) * | 2011-04-01 | 2012-10-17 | 江门市鑫辉密封科技有限公司 | Rotation assembling oil seal for being used under middle and high pressure |
| CN202431971U (en) * | 2011-12-16 | 2012-09-12 | 青岛开世密封工业有限公司 | Combination type polytetrafluoroethylene (PTFE) gear ring oil seal |
| CN202834077U (en) * | 2012-09-14 | 2013-03-27 | 青岛开世密封工业有限公司 | Oil seal combining three lips |
| CN202946681U (en) * | 2012-10-24 | 2013-05-22 | 青岛海力威新材料科技股份有限公司 | Wet brake oil seal |
| CN105889518A (en) * | 2016-05-27 | 2016-08-24 | 成都盛帮密封件股份有限公司 | Enhanced oil seal and manufacturing process thereof |
| CN210600178U (en) * | 2019-05-30 | 2020-05-22 | 邢台山峰特种橡胶制品有限公司 | Multi-lip oil seal |
| CN111043316A (en) * | 2019-12-23 | 2020-04-21 | 西北橡胶塑料研究设计院有限公司 | Combined double-lip oil seal for miniature gear pump |
| CN111795151A (en) * | 2020-07-18 | 2020-10-20 | 盐城乔胜机动车配件有限公司 | Wind power generation gearbox oil seal and manufacturing method thereof |
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