CN108591467A - Sealing structure - Google Patents

Sealing structure Download PDF

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Publication number
CN108591467A
CN108591467A CN201810362495.0A CN201810362495A CN108591467A CN 108591467 A CN108591467 A CN 108591467A CN 201810362495 A CN201810362495 A CN 201810362495A CN 108591467 A CN108591467 A CN 108591467A
Authority
CN
China
Prior art keywords
sealing structure
component
fluid pumping
primary seal
seal lip
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.)
Pending
Application number
CN201810362495.0A
Other languages
Chinese (zh)
Inventor
李定
刘鑫
张岳林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to CN201810362495.0A priority Critical patent/CN108591467A/en
Publication of CN108591467A publication Critical patent/CN108591467A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • 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
    • F16J15/324—Arrangements for lubrication or cooling of the sealing itself
    • 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
    • F16J15/3244—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action
    • 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
    • F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
    • F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sealing With Elastic Sealing Lips (AREA)

Abstract

The present invention provides a kind of sealing structure.The sealing structure is for the sealing between the first component and second component of relative rotation and includes primary seal lip.It is formed with the contact site for being contacted with first component in the radially inner side face of primary seal lip, the ratio contact site in the radially inner side face of primary seal lip is formed with the axially inclined inclined surface relative to sealing structure by axially external part, which extends towards while axially external extension towards radial outside.Primary seal lip is formed with multiple fluid pumping passages in above-mentioned inclined surface, the fluid pumping passages it is at least part of for pumping the area of section of fluid from axially inner side towards axially external increase.In this way, the sealing structure of the sealing structure of the present invention compared with the prior art improves the radiating efficiency of primary seal lip, the temperature for reducing primary seal lip so as to improve the lubricating status of the contact site of primary seal lip, and then improves the service life of entire sealing structure.

Description

Sealing structure
Technical field
The present invention relates to field of sealing technology, relate more specifically to a kind of sealing structure.
Background technology
In the prior art, as shown in Figure 1, the following sealing structure of generally use is sealed such as bearing.This is close Seal structure includes the skeleton 10, sealing 20 and spring 30 fitted together.
Specifically, skeleton 10 is usually made of the hard material of metal etc. and includes：
Skeleton axial component 101, the axial A approximately along sealing structure extend and are used to be fixed on unshowned axis The outer ring held；
Skeleton coupling part 102, radial outside end (upside in Fig. 1) are outside with the axis of skeleton axial component 101 Side (left-hand end in Fig. 1) connects, and skeleton coupling part 102 is from the axially external end of skeleton axial component 101 towards axially Outside extend while towards radially inner side extend, the radially inner side end (lower side in Fig. 1) of skeleton coupling part 102 with The radial outside end of following skeleton radial components 103 connects；And
Skeleton radial component 103, from the radially inner side end of skeleton coupling part 102 along the radial R courts of sealing structure Extend to radially inner side.
Further, sealing 20 attaches to skeleton 10, primary attachment in skeleton coupling part 102 and skeleton radial part Divide 103.Sealing 20 includes the inner ring that for example unshowned bearing is extended to from the radially inner side end of skeleton radial component 103 Primary seal lip 201, primary seal lip 201 is by being connected to the inner ring of bearing, spring positioned at the spring 30 of its radial outside 30 always apply primary seal lip 201 spring force towards radially inner side.In this way, the inner ring of primary seal lip 201 and bearing Realize contact seal.
Extend in addition, sealing 20 further includes inner ring from the radially inner side end of skeleton radial component 103 towards bearing Dirt lip 202, the dirt lip 202 are located at the radially inner side of the axially external and dirt lip 202 of primary seal lip 201 There is minim gap between end and the inner ring of bearing.In this way, dirt lip 202 and the inner ring of bearing realize non-contacting seal.
Sealing structure with above structure is mainly used for industry and automotive system.In use, due to bearing Inner ring is dynamic very fast with shaft rotation so that and the frictional heat generated between primary seal lip 201 and the inner ring of bearing is very big, The temperature that this is easy to cause primary seal lip 201 is very high.Due to the influence of high temperature, be located at primary seal lip 201 and bearing Inner ring contact site grease deterioration it is very fast, lead to the lubricating status between primary seal lip 201 and the inner ring of bearing Quickening is deteriorated and wears away, this will will have a direct impact on the sealing performance of primary seal lip 201, too early so as to cause sealing structure Failure.
Invention content
Defect based on the above-mentioned prior art is made that the present invention.The purpose of the present invention is to provide a kind of sealing structure, The sealing structure is enable to reduce the temperature of primary seal lip compared with the prior art, to improve the longevity of the sealing structure Life.Another mesh of the present invention is to provide a kind of bearing using the sealing structure.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme that.
The present invention provides a kind of following sealing structure, and the sealing being used between first component and second component is described First component can be rotated relative to the second component, and the sealing structure is integrally annular in shape, and the sealing structure is for solid Due to the second component and include the primary seal lip extended from the second component towards the first component, in institute The radially inner side face for stating primary seal lip is formed with contact site for being contacted with the first component, the primary seal lip Contact site described in the ratio in the radially inner side face in portion is formed with the axial direction relative to the sealing structure by axially external part Inclined inclined surface, the inclined surface extends towards while axially external extension towards radial outside, and the primary seal Lip is formed with multiple fluid pumping passages in the inclined surface, and at least part of of the fluid pumping passages is used to pump Send the area of section of fluid from axially inner side towards axially external increase.
Preferably, the sealing structure includes：Skeleton, the skeleton is for being fixed on the second component；And sealing Portion, the sealing attach to the skeleton, and the sealing includes the primary seal lip, and the primary seal lip is from institute Skeleton is stated towards the first component to extend.
It is highly preferred that the multiple fluid pumping passages equably divide along the circumferential of the sealing structure on complete cycle Cloth.
It is highly preferred that the fluid pumping passages are the fluid pumping groove being recessed from the inclined surface towards radial outside.
It is highly preferred that opening of the fluid pumping groove in the inclined surface is in general triangular, and the fluid pump Send slot in the depth radially of the sealing structure and/or the circumferential direction in the sealing structure of the fluid pumping groove On width become larger from axially inner side towards axially external so that the area of section of the fluid pumping groove is from axis Inwardly towards to axially external gradual increase.
It is highly preferred that the angle between the two side walls of the fluid pumping groove is less than 90 degree.
It is highly preferred that the two side walls of the fluid pumping groove are formed arcuate shape.
It is highly preferred that opening of the fluid pumping groove in the inclined surface is at least two rectangles by being connected with each other The shape of formation, and be less than and this positioned at the width in the circumferential direction of the sealing structure of the rectangle of axially inner side Rectangle is adjacent and is located at the width in the circumferential direction of the sealing structure of the axially external rectangle of the rectangle so that institute The area of section for stating fluid pumping groove increases from axially inner side towards axially external step.
It is highly preferred that the primary seal lip is formed in the inclined surface in the circumferentially-spaced of the sealing structure Multigroup raised line of configuration is opened, every group of raised line includes two raised lines protruded from the inclined surface towards radially inner side, described every The fluid pumping passages are formed between two raised lines of group raised line, and two raised lines of every group of raised line are from axially inner side court Extend away from each other to axially external.
It is highly preferred that the sealing structure further includes spring, the primary seal lip is connected to described by the spring First component；And/or the sealing structure further includes the dustproof lip extended from the second component towards the first component Portion.
By using above-mentioned technical solution, the present invention provides a kind of novel sealing structures, and the sealing structure is at it The inclined surface of the primary seal lip of sealing is formed with multiple fluid pumping passages, which can be to for example oily The fluid of fat and air etc. generates pumping effect, to make primary seal lip rapid cooling by these fluids.In this way, this The sealing structure of the sealing structure of invention compared with the prior art improves the radiating efficiency of primary seal lip, and it is close to reduce master The temperature for sealing lip, so as to improve the lubricating status of the contact site of primary seal lip, and then improves entire sealing structure Service life.
Description of the drawings
Fig. 1 is the partial schematic sectional view of the sealing structure of the prior art.
Fig. 2 is for illustrating that fluid spreads the explanatory view of heat absorption principle.
Fig. 3 a are the partial schematic sectional views of sealing structure according to the first embodiment of the invention；Fig. 3 b are Fig. 3 a In sealing structure partial perspective view.
Fig. 4 a are the partial schematic sectional views of sealing structure second embodiment of the invention；Fig. 4 b are Fig. 4 a In sealing structure partial perspective view.
Fig. 5 a are the partial schematic sectional views of the sealing structure of third embodiment according to the present invention；Fig. 5 b are Fig. 5 a In sealing structure partial perspective view.
Reference sign
10 skeleton, 101 skeleton axial component, 102 skeleton coupling part, 103 skeleton radial component, 20 sealing 201 202 dirt lip of primary seal lip, 30 spring
1 skeleton, 11 skeleton axial component, 12 skeleton coupling part, 13 skeleton radial component, 2 sealing, 21 primary seal The inclined surface lip 21S 21P1 first fluid pumping groove 21P2 second fluid pumping groove 21P3 fluid pumping passages 21R is convex 22 dirt lip of item, 3 spring
The contacts site G A axial direction R radial directions C is circumferential
Specific implementation mode
Carry out the technical principle and specific embodiment party that the present invention will be described in detail hereinafter with reference to the Figure of description of the present invention Formula.The global shape of the sealing structure of the present invention is annular shape.Unless otherwise specified, institute in the following specific embodiments " axial direction ", " radial direction " and " circumferential direction " illustrated refers respectively to the axial direction, radially and circumferentially of the sealing structure.In addition, in following tool In body embodiment, axially external is the left side in Fig. 3 a, Fig. 4 a and Fig. 5 a, and axially inner side is in Fig. 3 a, Fig. 4 a and Fig. 5 a Right side；Radial outside is the upside in Fig. 3 a, Fig. 4 a and Fig. 5 a, and radially inner side is the downside in Fig. 3 a, Fig. 4 a and Fig. 5 a.
(technical principle of the invention)
The technical principle of the present invention is that fluid spreads heat absorption principle, and it is normal in physics which, which spreads heat absorption principle, With one of theory.As shown in Fig. 2, the cardinal principle of fluid diffusion heat absorption is when fluid flows into large space from small space, stream Know from experience generation expansion (flow direction of hollow arrow expression fluid in figure) and the pressure at large space will become smaller.According to Thermo-dynamic principle, pressure decline will produce pumping effect, so that fluid absorbs heat from ambient enviroment.It is according to the present invention Technical solution is exactly to be made using above-mentioned fluid diffusion heat absorption principle.
It will be described below multiple and different embodiment according to the present invention.
(first embodiment)
In the present embodiment, as shown in Figure 3a and Figure 3b shows, which includes skeleton 1, sealing 2 and spring 3, Sealing 2 attaches to skeleton 1.Skeleton 1 is made preferably by the hard material of such as metal etc., sealing 2 preferably by Such as the soft material of rubber etc. is made.
The knot of the skeleton 10 of the sealing structure of the prior art shown in the structure and Fig. 1 of skeleton 1 in present embodiment Structure is identical.As shown in Figure 3a and Figure 3b shows, which includes A extends generally along an axial skeleton axial component 11, from skeleton The skeleton coupling part 12 that the axially external end of axial component 11 extends and the radially inner side end edge from skeleton coupling part 12 The skeleton radial component 13 that radial direction R extends towards radially inner side.
The sealing 20 of the sealing structure of the prior art shown in the structure and Fig. 1 of sealing 2 in present embodiment Structure it is roughly the same.As shown in Figure 3a and Figure 3b shows, in the present embodiment, 2 primary attachment of sealing is in skeleton coupling part 12 and skeleton radial component 13.Sealing 2 includes extending towards radially inner side while extension from skeleton 1 towards axially inner side And direction for the primary seal lip 21 that is contacted with the inner ring of such as bearing and while extension from skeleton 1 towards radial outside The dirt lip 22 that radially inner side extends.Primary seal lip 21 is connected to axis by spring 3 from the radial outside of the inner ring of bearing The inner ring held, spring 3 always apply primary seal lip 21 spring force towards radially inner side.Dirt lip 22 compares primary seal Lip 21 is by axially external.
In the present embodiment, the radially inner side face of primary seal lip 21 is formed with for being connect with the inner ring of such as bearing The axial both sides of tactile contact site G, contact site G form two relative to the inclined inclined surface axial A, the two inclinations Face makes contact site G be formed towards the shape of radially inner side protrusion.Positioned at the axially external inclined surface of contact site G 21S extends while being formed towards axially external extension towards radial outside.In this way, the example on the 21S of the inclined surface The fluid of such as grease or air is under the influence of centrifugal force along inclined surface 21S towards axially external and towards radial outside Flowing.
Further, primary seal lip 21 is formed with conduct in the axially external inclined surface 21S positioned at contact site G The first fluid pumping groove 21P1 of fluid pumping passages, the first fluid pumping groove 21P1 are outside towards diameter from inclined surface 21S Side is recessed and is in general triangular in the opening of inclined surface 21S.One vertex of the triangle is relative to other two vertex Positioned at axially inner side so that each first fluid pumping groove 21P1 for pumping the area of section of fluid from axially inner side direction Axially external gradual increase.This area of section gradually change can by the depth of each first fluid pumping groove 21P1 and/ Or width is realized from axially inner side towards axially external become larger.In this way so that when fluid edge under the influence of centrifugal force When inclined surface 21S flowings and reaching first fluid pumping groove 21P1, due to the section face of first fluid pumping groove 21P1 Product increases rapidly, and the fluid into first fluid pumping groove 21P1 will spread heat absorption principle absorption come autonomous close according to fluid The heat of envelope lip 21 improves the contact site of primary seal lip 21 so that the temperature of primary seal lip 21 quickly reduces Position G place lubricating status, to overcome due to primary seal lip 21 overheat cause its sealing performance reduction the problem of.
In the present embodiment, the angle between the two side walls of first fluid pumping groove 21P1 (with positioned at axially inner side A vertex correspondence angle) be less than 90 degree, and the two side walls are formed as arcuate shape.In this way, the first fluid pumps Send slot 21P1 that there is good pumping effect so that first fluid pumping groove 21P1 can be inside from axis more easily by fluid Side is towards axially external pumping.
In the present embodiment, multiple first fluid pumping groove 21P1 equably divide preferably along circumferential C on complete cycle Cloth.
In this way, by the way that first fluid pumping groove 21P1 is arranged, the heat dissipation effect of primary seal lip 21 is improved, to The lubricating status for substantially improving primary seal lip 21 improves the sealing effect of primary seal lip 21 and extends including this The service life of the sealing structure of primary seal lip 21.
(second embodiment)
As shown in figures 4 a and 4b, the basic structure of sealing structure according to the present embodiment with according to the first embodiment party The basic structure of the sealing structure of formula is identical, they the difference is that：In sealing structure according to the present embodiment, Second fluid pumping groove 21P2 as fluid pumping passages is different from the structure of first fluid pumping groove 21P1.
In the present embodiment, as shown in figures 4 a and 4b, each second fluid pumping groove 21P2 opening in inclined surface 21S Mouth is in the shape formed by two rectangles being connected with each other.Positioned at axially inner side rectangle the width on circumferential C be less than with The rectangle is adjacent and is located at the width on circumferential C of the axially external rectangle of the rectangle so that second fluid pumping groove The area of section for pumping fluid of 21P2 increases from axially inner side towards axially external step.Two of each rectangular channel Side wall is formed as arcuate shape.
In this way, compared with sealing structure according to the first embodiment of the invention, in the present embodiment, second Body pumping groove 21P2 be easily manufactured and endothermic effect more preferably.
(third embodiment)
As shown in figure 5 a and 5b, the basic structure of sealing structure according to the present embodiment and first embodiment The basic structure of sealing structure is identical, they the difference is that：In sealing structure according to the present embodiment, fluid Pumping passage 21P3 is different from the structure of first fluid pumping groove 21P1.
In the present embodiment, as shown in figure 5 a and 5b, primary seal lip 21 is formed in inclined surface 21S in circumferential C The upper multigroup raised line 21R for being spaced apart configuration, every group of raised line 21R includes two protruded from inclined surface 21S towards radially inner side A fluid pumping passages 21P3 is formed between two raised line 21R of raised line 21R, one group of raised line 21R.The two of one group of raised line 21R Raised line 21R extends away from each other from axially inner side towards axially external so that fluid pumping passages 21P3 for pumping The area of section of fluid is from axially inner side towards axially external gradual increase.In the present embodiment, each raised line 21R has arc Shape shape.
In this way, with according to the first embodiment of the invention with the sealing structure of second embodiment compared with, in this implementation In mode, raised line 21R is easily manufactured so that the method that sealing structure forms fluid pumping passages 21P3 is simpler.
In addition, the present invention also provides the bearings for including the sealing structure with above structure.The skeleton of the sealing structure 1 is fixed on the outer ring of bearing, and the outer ring of the bearing does not rotate.
Although the above specific implementation mode is set forth in the specific technical solution of the present invention, also need To illustrate that：
1. although do not clearly stated in above-mentioned specific implementation mode it should be appreciated that sealing according to the present invention Structure can also include dust ring, which is used to be fixed on the inner ring of bearing and forms sealing space with skeleton, to make Obtaining sealing structure according to the present invention becomes cartridge seal structure.
2. although illustrate that dirt lip 22 is non-contacting seal lip in above-mentioned specific implementation mode, originally Invent without being limited thereto, the dirt lip 22 or contact seal lip.
Although 3. illustrate that primary seal lip 21 and the inner ring of such as bearing contact in above-mentioned specific implementation mode, But the invention is not restricted to this.The primary seal lip 21 can also be contacted for example with axis or above-mentioned dust ring.
4. illustrating the opening shape of first fluid pumping groove 21P1 for substantially triangle in above-mentioned specific implementation mode The side of the shape of shape, the shape of the general triangular can not be straight line as described above and the angle of the general triangular also may be used Not to be wedge angle.

Claims (10)

1. a kind of sealing structure, the sealing being used between first component and second component, the first component can be relative to The second component rotation, the sealing structure is integrally annular in shape, and the sealing structure is for being fixed on the second component simultaneously And include the primary seal lip extended from the second component towards the first component, which is characterized in that
It is formed with the contact site for being contacted with the first component, the master in the radially inner side face of the primary seal lip Contact site described in the ratio in the radially inner side face of sealed lip is formed with by axially external part relative to the sealing structure Axially inclined inclined surface, the inclined surface towards while axially external extension towards radial outside extend, and
The primary seal lip is formed with multiple fluid pumping passages in the inclined surface, and at least the one of the fluid pumping passages It is partial for pumping the area of section of fluid from axially inner side towards axially external increase.
2. sealing structure according to claim 1, which is characterized in that the sealing structure includes：
Skeleton, the skeleton is for being fixed on the second component；And
Sealing, the sealing attach to the skeleton, and the sealing includes the primary seal lip, the primary seal lip Portion extends from the skeleton towards the first component.
3. sealing structure according to claim 2, which is characterized in that the multiple fluid pumping passages are along the sealing The circumferential direction of structure is evenly distributed on complete cycle.
4. sealing structure according to claim 2 or 3, which is characterized in that the fluid pumping passages are from the inclination The fluid pumping groove being recessed facing towards radial outside.
5. sealing structure according to claim 4, which is characterized in that opening of the fluid pumping groove in the inclined surface In general triangular, and
The fluid pumping groove the sealing structure depth radially and/or the fluid pumping groove described close Width in the circumferential direction of seal structure becomes larger from axially inner side towards axially external so that described section of the fluid pumping groove Face area is from axially inner side towards axially external gradual increase.
6. sealing structure according to claim 5, which is characterized in that the folder between the two side walls of the fluid pumping groove Angle is less than 90 degree.
7. sealing structure according to claim 5, which is characterized in that the two side walls of the fluid pumping groove are formed Arcuate shape.
8. sealing structure according to claim 4, which is characterized in that opening of the fluid pumping groove in the inclined surface In the shape formed by least two rectangles being connected with each other, and
It is less than and position adjacent with the rectangle positioned at the width in the circumferential direction of the sealing structure of the rectangle of axially inner side In the width in the circumferential direction of the sealing structure of the axially external rectangle of the rectangle so that the fluid pumping groove The area of section increases from axially inner side towards axially external step.
9. sealing structure according to claim 2 or 3, which is characterized in that the primary seal lip is in the inclined surface shape At the circumferentially-spaced multigroup raised line for opening configuration having in the sealing structure, every group of raised line includes from the inclined surface towards diameter Two raised lines protruded inwardly form the fluid pumping passages between two raised lines of every group of raised line, described every Two raised lines of group raised line extend away from each other from axially inner side towards axially external.
10. sealing structure according to any one of claim 1 to 3, which is characterized in that
The sealing structure further includes spring, and the primary seal lip is connected to the first component by the spring；And/or
The sealing structure further includes the dirt lip extended from the second component towards the first component.
CN201810362495.0A 2018-04-20 2018-04-20 Sealing structure Pending CN108591467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810362495.0A CN108591467A (en) 2018-04-20 2018-04-20 Sealing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810362495.0A CN108591467A (en) 2018-04-20 2018-04-20 Sealing structure

Publications (1)

Publication Number Publication Date
CN108591467A true CN108591467A (en) 2018-09-28

Family

ID=63613760

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810362495.0A Pending CN108591467A (en) 2018-04-20 2018-04-20 Sealing structure

Country Status (1)

Country Link
CN (1) CN108591467A (en)

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Application publication date: 20180928