CN104832652B - A kind of high pressure Oil sealing assembly - Google Patents
A kind of high pressure Oil sealing assembly Download PDFInfo
- Publication number
- CN104832652B CN104832652B CN201510179634.2A CN201510179634A CN104832652B CN 104832652 B CN104832652 B CN 104832652B CN 201510179634 A CN201510179634 A CN 201510179634A CN 104832652 B CN104832652 B CN 104832652B
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- China
- Prior art keywords
- skeleton
- oil sealing
- seal
- lip
- waist
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention discloses a kind of high pressure Oil sealing assembly, including skeleton and seal, wherein, the seal include matrix, lip titled with and the waist of connection matrix and lip hat, the seal is wrapped in outside skeleton；The thickness of the lip hat is more than the thickness of waist；The contact area of the seal and skeleton is made up of the bond regions mutually bonded and the Disengagement zone being separated from each other, wherein, contact area of the bond regions between skeleton and matrix, Disengagement zone is located at the contact area between skeleton and waist and lip hat.The Oil sealing assembly of the present invention can improve oil sealing voltage endurance capability, and not influence the tracing ability of oil sealing, and it will be that cost or raising tracing ability will be to weaken technological deficiency of the bearing capacity as cost to weaken tracing ability to overcome and improve bearing capacity in the prior art.
Description
Technical field
The present invention relates to a kind of oil enveloping structure, and in particular to a kind of high pressure Oil sealing assembly.
Background technology
With the continuous development of scientific technology, all kinds of plant equipment develop to high pressure, high speed direction, and seal is as machine
One of critical component of tool equipment, improve its performance under high pressure, high speed, it has also become urgent being essential of equipment manufacturing field development
Will.As the oil sealing at hydraulic motor directly bears very high pressure medium, normal pressure requirement needs in 10-20Mpa, maximum pressure
Reach 30Mpa, under high pressure medium, seal lip can increase with contact stress and contact width of the rotary shaft in contact zone,
So that heat increases severely, radiating is difficult, accelerates oil seal failure.In order to strengthen the bearing capacity of oil sealing, the design of existing High-pressure oil sealing is led to
Frequently with modes such as thick, the reduction waist height of increase waist, but these designs are generally all held using sacrificing oil sealing tracing ability as cost to improve
Pressure energy power, when rotary shaft circular runout is larger, tracing ability deficiency will be unable to ensure that seal lip is effectively hugged on axle surface
On, so as to cause the local leakage of oil sealing.
Therefore, how the structure of High-pressure oil sealing in the prior art is improved, while oil sealing voltage endurance capability is improved
Its tracing ability is taken into account, meets the high pressure working condition requirement such as hydraulic motor, is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
In view of above-mentioned deficiency present on prior art, it is an object of the invention to provide a kind of high pressure Oil sealing assembly,
The Oil sealing assembly can improve oil sealing voltage endurance capability, and not influence the tracing ability of oil sealing.
The present invention solve above-mentioned technical problem technical scheme be：
A kind of high pressure Oil sealing assembly, including skeleton and seal, wherein, the seal include matrix, lip titled with and
The waist of matrix and lip hat is connected, the seal is wrapped in outside skeleton；
The thickness of the lip hat is more than the thickness of waist；The contact area of the seal and skeleton is viscous by what is mutually bonded
Interface and the Disengagement zone being separated from each other are formed, wherein, contact area of the bond regions between skeleton and matrix, Disengagement zone
Contact area between skeleton and waist and lip hat.
The preferred scheme of the present invention, wherein, the thickness of the lip hat is more than 3 times of waist thickness so that lip is preced with
With enough bearing capacities and eccentric tracing ability.
The preferred scheme of the present invention, wherein, in the position that the waist is connected with lip hat, upside is gradual change type mistake
Structure is crossed, downside is horizontal plane, and the horizontal plane is in contact to form Disengagement zone with skeleton.The variant transition structure cause waist and
The connecting portion deformation of lip hat is more flexible, further improves tracing ability；The horizontal plane is advantageous to improve bearing capacity.
The present invention a preferred scheme, wherein, in the skeleton, it is corresponding with bond regions part and with Disengagement zone pair
The part answered is integral type structure.When bonding skeleton with seal, non-stick is sprayed at Disengagement zone so that the position is formed
Adhesive free region.
The present invention a preferred scheme, wherein, in the skeleton, it is corresponding with bond regions part and with Disengagement zone pair
The part answered is fabricated structure, respectively adhesive segment skeleton and separate section skeleton.So bonding skeleton and seal
When, adhesive segment skeleton and seal need to only be bonded, be loaded on separate section skeleton.
Preferably, the separate section skeleton is in annular, and the separate section skeleton of the annular is embedded in adhesive segment
In the circular inner hole of skeleton.
The preferred scheme of the present invention, wherein, the cross section of the matrix of the seal is L-shaped, should " L " mold base
In vertical portion be provided with groove；Part corresponding with bond regions is also L-shaped in the skeleton, is somebody's turn to do perpendicular in " L " type skeleton
Directly it is partially embedded into the groove of matrix.Firmly it is combined into one by the structure skeleton and seal, improves resistance to compression
Ability.
The preferred scheme of the present invention, wherein, the cross section for being engaged part in the lip hat with rotating shaft is wedge angle
Shape, so as to form linear contact lay with rotating shaft, improve sealing effectiveness.
The present invention operation principle be：By by the contact area of seal and skeleton be divided into mutually cohesive bond regions and
The Disengagement zone being separated from each other, and contact area of the bond regions between skeleton and matrix, Disengagement zone be located at skeleton with
Contact area between waist and lip hat；Pass through the bond regions so that skeleton is connected with seal, is carried for seal
For support；By the Disengagement zone, can both support be produced to waist and the lip hat of seal, and bear medium high pressure, and not shadow
The Free Transform of waist and lip hat is rung, so as to which lip crown moieties are set enough to thickness, and waist is set enough to thin, this
Sample can also improves the tracing ability of waist and lip hat, obtains double technique while the bearing capacity of lip hat is improved
Effect.
The present invention has following beneficial effect compared with prior art：
1st, lip can be preced with and set enough to thickness, improve bearing capacity, waist can set again enough to small, improve it
Eccentric tracing ability, overcome improve bearing capacity in the prior art will will be with for cost or raising tracing ability to weaken tracing ability
Weaken the technological deficiency that bearing capacity is cost.
2nd, due to setting lip hat thicker, the deformation of lip hat under high pressure reduces, so as to reduce between lip hat and rotating shaft
Area in sealing contact, improve the heat dispersion in area in sealing contact.
3rd, it is simple in construction, easy to process, good manufacturability.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the high pressure Oil sealing assembly of the present invention.
Fig. 2 is the stereochemical structure sectional view of Fig. 1 illustrated embodiments.
Fig. 3 is the structural representation of the another embodiment of the high pressure Oil sealing assembly of the present invention.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Embodiment 1
Referring to Fig. 1 and Fig. 2, the high pressure of the present embodiment includes skeleton 2 and seal 1 with Oil sealing assembly, wherein, the sealing
Body 1 is made up of rubber, and the seal 1 includes matrix 1-1, lip hat 1-3 and connects matrix 1-1 and lip hat 1-3 waist 1-2,
The seal 1 is wrapped in outside skeleton 2.The thickness of the lip hat 1-3 is more than waist 1-2 thickness, and lip hat 1-3 thickness is
About 4 times of waist 1-2 thickness so that lip hat 1-3 has enough bearing capacities and eccentric tracing ability.The seal 1 with
The contact area of skeleton 2 is made up of the bond regions 3 mutually bonded and the Disengagement zone 4 being separated from each other, wherein, the bond regions 3
Contact area between skeleton 2 and matrix 1-1, Disengagement zone 4 are located at the contact between skeleton 2 and waist 1-2 and lip hat 1-3
Region.
Referring to Fig. 1 and Fig. 2, in the position that the waist 1-2 is connected with lip hat 1-3, upside is gradual change type transition structure,
Downside is horizontal plane, and the horizontal plane is in contact to form Disengagement zone 4 with skeleton 2.Wherein, the variant transition structure causes waist 1-
2 and lip hat 1-3 connecting portion deformation is more flexible, further improves tracing ability；The horizontal plane is advantageous to improve carrying energy
Power.
Referring to Fig. 1 and Fig. 2, in the skeleton 2, part corresponding with bond regions 3 and part corresponding with Disengagement zone 4 are
Integral structure, in order to the processing of skeleton 2.In production process, by sulfidization molding between skeleton 2 and seal 1, and dividing
From spraying non-stick at area 4 so that the bond regions 3 between skeleton 2 and seal 1 are bonded together, and Disengagement zone 4 formed it is non-stick
Tie region.
Referring to Fig. 1 and Fig. 2, the matrix 1-1 of the seal 1 cross section is L-shaped, is somebody's turn to do perpendicular in " L " mold base 1-1
Straight part is provided with groove；Part corresponding with bond regions 3 is also L-shaped in the skeleton 2, the vertical portion being somebody's turn to do in " L " type skeleton
Divide and be embedded into matrix 1-1 groove.Firmly it is combined into one by the structure skeleton 2 and seal 1, improves resistance to compression
Ability.
Referring to Fig. 1 and Fig. 2, the cross section for being engaged part in the lip hat 1-3 with rotating shaft is pointed shape, so that and rotating shaft
Linear contact lay is formed, improves sealing effectiveness.
Referring to Fig. 1 and Fig. 2, operation principle of the invention is：By the way that the contact area of seal 1 and skeleton 2 is divided into phase
Mutually cohesive bond regions 3 and the Disengagement zone 4 being separated from each other, and the connecing between skeleton 2 and matrix 1-1 of the bond regions 3
Region is touched, Disengagement zone 4 is located at the contact area between skeleton 2 and waist 1-2 and lip hat 1-3；By the bond regions 3, make
Obtain skeleton 2 to be connected with seal 1, support is provided for seal 1；, both can be to seal 1 by the Disengagement zone 4
Waist 1-2 and lip hat 1-3 produce support, bear medium high pressure, and do not influence waist 1-2 and lip hat 1-3 Free Transform, so as to
Lip can be preced with to 1-3 parts to set enough to thickness, and waist 1-2 is set enough to thin, can thus improve lip hat 1-3
Bearing capacity while, also improve waist 1-2 and lip hat 1-3 tracing ability, obtain double technique effect.
Embodiment 2
Referring to Fig. 3, the present embodiment and the difference of embodiment 1 are, in the skeleton 2, with 3 corresponding portion of bond regions
Divide and part corresponding with Disengagement zone 4 is fabricated structure, respectively adhesive segment skeleton 2-1 and separate section skeleton 2-2.
So when bonding skeleton 2 with seal 1, adhesive segment skeleton 2-1 and seal 1 need to only be bonded, be loaded on separate section
Skeleton 2-2.The separate section skeleton 2-2 is in annular, and the separate section skeleton 2-2 of the annular is embedded in binding part
Divide in skeleton 2-1 circular inner hole.
The present embodiment other embodiment other than the above is same as Example 1.
Above-mentioned is the preferable embodiment of the present invention, but embodiments of the present invention are not limited by the above, its
His any Spirit Essence without departing from the present invention with made under principle change, modification, replacement, combine, simplification, should be
The substitute mode of effect, is included within protection scope of the present invention.
Claims (7)
1. a kind of high pressure Oil sealing assembly, including skeleton and seal, wherein, the seal include matrix, lip titled with and even
The waist of matrix and lip hat is connect, the seal is wrapped in outside skeleton；It is characterized in that：
The thickness of the lip hat is more than the thickness of waist；The contact area of the seal and skeleton is by the bond regions that mutually bond
Formed with the Disengagement zone being separated from each other, wherein, contact area of the bond regions between skeleton and matrix, Disengagement zone is located at
Contact area between skeleton and waist and lip hat；
In the position that the waist and lip hat are connected, upside be gradual change type transition structure, and downside is horizontal plane, the horizontal plane and
Skeleton is in contact to form Disengagement zone；The skeleton is horizontal structure at position corresponding with Disengagement zone, with separating in the lip hat
Position corresponding to area forms the horizontal bottom surface of lip hat.
2. high pressure Oil sealing assembly according to claim 1, it is characterised in that the thickness of the lip hat is waist thickness
More than 3 times.
3. high pressure Oil sealing assembly according to claim 1, it is characterised in that corresponding with bond regions in the skeleton
Part and it is corresponding with Disengagement zone be partly integral type structure.
4. high pressure Oil sealing assembly according to claim 1, it is characterised in that corresponding with bond regions in the skeleton
Part and it is corresponding with Disengagement zone be partly fabricated structure, respectively adhesive segment skeleton and separate section skeleton.
5. high pressure Oil sealing assembly according to claim 4, it is characterised in that the separate section skeleton is in annular,
The separate section skeleton of the annular is embedded in the circular inner hole of adhesive segment skeleton.
6. the high pressure Oil sealing assembly according to any one of Claims 1 to 5, it is characterised in that the matrix of the seal
Cross section it is L-shaped, vertical portion that should be in " L " mold base is provided with groove；Part corresponding with bond regions in the skeleton
Also L-shaped, the vertical portion being somebody's turn to do in " L " type skeleton is embedded into the groove of matrix.
7. high pressure Oil sealing assembly according to claim 6, it is characterised in that be engaged part with rotating shaft in the lip hat
Cross section be pointed shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510179634.2A CN104832652B (en) | 2015-04-15 | 2015-04-15 | A kind of high pressure Oil sealing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510179634.2A CN104832652B (en) | 2015-04-15 | 2015-04-15 | A kind of high pressure Oil sealing assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104832652A CN104832652A (en) | 2015-08-12 |
| CN104832652B true CN104832652B (en) | 2018-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510179634.2A Active CN104832652B (en) | 2015-04-15 | 2015-04-15 | A kind of high pressure Oil sealing assembly |
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| CN (1) | CN104832652B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704595B (en) * | 2016-12-27 | 2019-11-01 | 广州机械科学研究院有限公司 | The preposition oil sealing of high pressure skeleton |
| CN107355539A (en) * | 2017-08-11 | 2017-11-17 | 徐州华通浮动油封科技有限公司 | A kind of High-pressure oil sealing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3212476C1 (en) * | 1982-04-03 | 1983-11-17 | Goetze Ag, 5093 Burscheid | Shaft sealing ring |
| CN201802873U (en) * | 2010-02-10 | 2011-04-20 | 中国兵器工业集团第五三研究所 | Lip-shaped sealing ring of rotating shaft |
| CN202023925U (en) * | 2011-03-24 | 2011-11-02 | 十堰东森汽车密封件有限公司 | Axel shaft oil seal |
| CN202646711U (en) * | 2012-06-12 | 2013-01-02 | 宁波丰茂远东橡胶有限公司 | Oil seal structure resistant to high pressure and adaptable to shaft eccentricity |
| WO2014030413A1 (en) * | 2012-08-23 | 2014-02-27 | イーグル工業株式会社 | Sealing device |
| CN204592292U (en) * | 2015-04-15 | 2015-08-26 | 广州机械科学研究院有限公司 | A kind of high pressure Oil sealing assembly |
-
2015
- 2015-04-15 CN CN201510179634.2A patent/CN104832652B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3212476C1 (en) * | 1982-04-03 | 1983-11-17 | Goetze Ag, 5093 Burscheid | Shaft sealing ring |
| CN201802873U (en) * | 2010-02-10 | 2011-04-20 | 中国兵器工业集团第五三研究所 | Lip-shaped sealing ring of rotating shaft |
| CN202023925U (en) * | 2011-03-24 | 2011-11-02 | 十堰东森汽车密封件有限公司 | Axel shaft oil seal |
| CN202646711U (en) * | 2012-06-12 | 2013-01-02 | 宁波丰茂远东橡胶有限公司 | Oil seal structure resistant to high pressure and adaptable to shaft eccentricity |
| WO2014030413A1 (en) * | 2012-08-23 | 2014-02-27 | イーグル工業株式会社 | Sealing device |
| CN204592292U (en) * | 2015-04-15 | 2015-08-26 | 广州机械科学研究院有限公司 | A kind of high pressure Oil sealing assembly |
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|---|---|
| CN104832652A (en) | 2015-08-12 |
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Effective date of registration: 20200706 Address after: Room 406, No.2 Xinrui Road, Huangpu District, Guangzhou City, Guangdong Province 510000 Patentee after: Guangzhou Guoji Sealing Technology Co.,Ltd. Address before: 510663 No. 828 Mao Mao Road, Whampoa District, Guangdong, Guangzhou Patentee before: GUANGZHOU MECHANICAL ENGINEERING RESEARCH INSTITUTE Co.,Ltd. |