CN110513481A - Sealing mechanism and the device for having the sealing mechanism - Google Patents
Sealing mechanism and the device for having the sealing mechanism Download PDFInfo
- Publication number
- CN110513481A CN110513481A CN201910425887.1A CN201910425887A CN110513481A CN 110513481 A CN110513481 A CN 110513481A CN 201910425887 A CN201910425887 A CN 201910425887A CN 110513481 A CN110513481 A CN 110513481A
- Authority
- CN
- China
- Prior art keywords
- sealing mechanism
- shaft component
- lip
- containment member
- shell
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 81
- 230000007246 mechanism Effects 0.000 title claims abstract description 79
- 230000002093 peripheral effect Effects 0.000 claims description 37
- 239000003921 oil Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
- F16J15/3248—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
-
- 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
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
-
- 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
- F16J15/3248—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
- F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
- F16J15/3264—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
Abstract
The present invention relates to a kind of sealing mechanisms and the device for having the sealing mechanism.The sealing mechanism of one embodiment of the present invention has the containment member between shaft component and shell, which stores at least part of the shaft component.The containment member has base portion and main lip, which is configured at position not Chong Die with the base portion on the rotation axis direction of the shaft component.
Description
Technical field
The present invention relates to it is a kind of for prevent outflow of the fluid in the device to outside the device and fluid from outside to
The sealing mechanism of inflow in the device and the device for having the sealing mechanism.
Background technique
A kind of sealing mechanism that will be sealed between rotating member and the shell for storing the rotating member known.
Previous sealing mechanism discloses in Japanese Unexamined Patent Publication 2016-84911 bulletin (patent document 1).In the bulletin
Disclose a kind of sealing mechanism that will be sealed between outer ring and inner ring.The sealing mechanism has containment member and by containment member packet
The oil scraper ring enclosed.The oil scraper ring has the sleeve for surrounding axis and the flange towards the shell bending for surrounding the axis.The flange improves
The rigidity of oil scraper ring.Using the flange, the deformation of containment member can be prevented when the sealing mechanism is assembled in device.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2016-84911 bulletin
Summary of the invention
Problems to be solved by the invention
The containment member of the sealing mechanism of patent document 1 has the main lip of arbor and the radially inner side set on the arbor.For
The interference between the arbor and main lip is prevented, the sealing mechanism of documents 1 needs to increase its radial size.In addition, if
The radial of sealing mechanism becomes large-sized, then exists and ask as the design freedom reduction for the device for being assembled with the sealing mechanism
Topic.
One of the objects of the present invention is to provide a kind of sealing mechanism compact in size that can make radially and have
The device of the sealing mechanism.
The solution to the problem
The sealing mechanism of a technical solution of the invention has the containment member between shaft component and shell, the shell
Store at least part of the shaft component.The containment member has base portion and main lip, rotation of the main lip in the shaft component
Position not Chong Die with the base portion is configured on axis direction.
In a technical solution of the invention, the base portion has cylindrical portion and annulus.It is described in a technical solution
Main lip is configured at position not Chong Die with the annulus on the rotation axis direction.
In a technical solution of the invention, the containment member has dustproof lip.It is described dust-proof in a technical solution
Lip is configured at position not Chong Die with the base portion on the rotation axis direction.In a technical solution, the main lip phase
The side in the rotation axis direction is configured at for the dustproof lip.
The sealing mechanism of a technical solution of the invention has: ring spring, is set to the main lip；And cover portion, from
The radial outside of the shaft component covers the ring spring.In a technical solution of the invention, the cover portion is with from the base
Portion is arranged to the rotation axis direction mode outstanding of the shaft component.
The sealing mechanism of a technical solution of the invention has the oil scraper ring of the outer peripheral surface set on the shaft component.In a skill
In art scheme, the containment member is set between the shell and the oil scraper ring.
In a technical solution of the invention, the containment member is set between the shell and the oil scraper ring.One
In technical solution, the main lip and the dustproof lip are in contact with the outer peripheral surface of the oil scraper ring.
The sealing mechanism of a technical solution of the invention has the containment member between shaft component and shell, the shell
Store at least part of the shaft component.The containment member has base portion and main lip, rotation of the main lip in the shaft component
The side opposite with the base portion is configured on shaft axis direction.In a technical solution of the invention, the base portion has cylinder
Shape portion and annulus.In a technical solution, the annulus is configured between the main lip and the cylindrical portion.
The device for having sealing mechanism of a technical solution of the invention is also equipped with: shaft component；And shell, store institute
At least part of shaft component is stated, the sealing mechanism will seal between the shaft component and the shell.In a technical solution
In, the sealing mechanism has the containment member being set between the shell and the shaft component.It is described in a technical solution
Containment member, which has, is configured at position not Chong Die with the base portion of the containment member on the rotation axis direction of the shaft component
The main lip set.
The sealing mechanism of each technical solution of the invention can be suitably employed in various devices.
The effect of invention
It is capable of providing a kind of sealing mechanism compact in size that can make radially and the device for having the sealing mechanism.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the outline of the sealing mechanism of one embodiment of the present invention.
Fig. 2 is the enlarged cross-sectional view of the outline of the part for the sealing mechanism that amplification indicates Fig. 1.
Fig. 3 is the cross-sectional view of the outline of the sealing mechanism of another embodiment of the present invention.
Description of symbols
1, sealing mechanism；2, oil scraper ring；3, containment member；4, shaft component；5, shell；10, device；11, cylindrical portion；12,
Flange part；13, base portion；14, end face (outer peripheral surface)；15, end face (inner peripheral surface)；16, cylindrical portion；17, annulus；18, cover portion；
20, outer peripheral surface；21, inner peripheral surface；23, outer peripheral surface；24, main ring portion；25, main lip；26, dustproof lip；27, ring spring；RAX, rotation
Axis.
Specific embodiment
Fig. 1 shows the cross-sectional views of the device 10 for the sealing mechanism 1 for having one embodiment of the present invention.
Device 10 includes shaft component 4, shell 5 and sealing mechanism 1.The sealing mechanism 1 of one embodiment of the present invention will
It is sealed between shaft component 4 and shell 5.As a result, sealing mechanism 1 by the inner space of device 10 relative to exterior space (for example, big
Gas) sealing.
Device 10 includes sealing mechanism 1, shaft component 4 and shell 5, but the constituent element of device 10 is without being limited thereto.That is, should
Device 10 also may include the member of formation in addition to sealing mechanism 1, shaft component 4 and shell 5.
Device 10 is, for example, speed reducer.Device 10 is also possible to the device in addition to speed reducer.Shaft component 4 is, for example, to pass through
The component of speed reducer work and rotation.Shaft component 4 is also possible to the rotating member that can be rotated in addition to this.Sealing mechanism 1
It is not intended to only be set to specific device, and can be applied to the arbitrary device for having rotating member.
The shaft component 4 of one embodiment of the present invention is configured to rotate around rotation axis RAX.Shaft component 4 have it is cylindric,
Cylindric or shape in addition to this.2 arrows extended parallel to the rotation axis of shaft component 4 are shown in FIG. 1.
One of arrow (towards the arrow on the right side of paper) is the direction parallel with the rotation axis of shaft component 4 and towards shell
The inside of 5 inner space, the other of arrow (towards the arrow in the left side of paper) are the rotation axis with shaft component 4
The direction in parallel direction and the exterior space towards shell 5.
The shell 5 of one embodiment of the present invention and shaft component 4 are coaxial or substantially coaxially configure.Of the invention one is real
At least one of shaft component 4 and shell 5 of mode is applied to rotate around rotation axis RAX.Either shaft component 4 is relative to fixation
Shell 5 around rotation axis RAX rotate, be also possible to shell 5 relative to fixed shaft component 4 around rotation axis RAX revolve
Turn.
The shell 5 of one embodiment of the present invention has inner space, and a part of shaft component 4 is accommodated in inside sky
Between.It can also be in the member of formation in addition to axis 4 of the inner space storage device 10 of the shell 5.It as an example, can also be
The gear unit that the inner space storage of shell 5 can link with shaft component 4.
The sealing mechanism 1 of one embodiment of the present invention is set to the cricoid space between shaft component 4 and shell 5, as a result,
The inner space of shell 5 is sealed relative to exterior space.
The shaft component 4 of one embodiment of the present invention has outer peripheral surface (end face) 14.The inner peripheral surface of sealing mechanism 1 is tightly attached to
The outer peripheral surface 14 of shaft component 4.
The shell 5 of one embodiment of the present invention has inner peripheral surface 15.The outer peripheral surface 23 of sealing mechanism 1 is tightly attached to shell 5
Inner peripheral surface 15.Like this, mode of the sealing mechanism 1 to be clipped between the inner peripheral surface 15 of shell 5 and the outer peripheral surface 14 of shaft component 4
Configuration.
The sealing mechanism 1 of one embodiment of the present invention has oil scraper ring 2 and containment member 3.Sealing mechanism 1 can not also
Include oil scraper ring 2.Oil scraper ring 2 has the cylindrical portion 11 of cylindrical shape and the radial direction from the cylindrical portion 11 to shaft component 4 (hereinafter, having
When be referred to as " radial direction ".) lateral direction flange part 12 outstanding.Oil scraper ring 2 also may include except cylindrical portion 11 and flange part
Member of formation except 12.In one embodiment of the present invention, containment member 3 is set between shell 5 and the oil scraper ring 2.In
In one embodiment, sealing mechanism 1 can also also have other containment members in addition to containment member 3.Other containment members
The position adjacent with containment member 3 can also be configured at.Other containment members also can have the rotary shaft for surrounding shaft component 4
Such cyclic annular or cylindrical shape around line RAX.Other containment members can also be configured at the rotation axis of containment member 3
On the outside of direction.
In one embodiment, oil scraper ring 2 is arranged in a manner of the outer peripheral surface 14 for being tightly attached to shaft component 4.As illustrated,
Oil scraper ring 2 can also be set to the outer peripheral surface 14 of shaft component 4 across elastic component 9.Elastic component 9 along shaft component 4 outer peripheral surface
14 extend, and extend from its end to radial outside.Elastic component 9 is the component that rubber etc. is capable of flexible deformation.As elasticity
The material of component 9 can suitably use the well known material of elastically deformable.
The cylindrical portion 11 of oil scraper ring 2 is locally or globally formed as tubular.The one or both ends of cylindrical portion 11 can also
With chamfering.The cylindrical portion 11 of oil scraper ring 2 has the outer peripheral surface 20 of inner peripheral surface 21 and the side opposite with the inner peripheral surface 21.In tubular
Elastic component 9 is equipped between the inner peripheral surface 21 in portion 11 and the outer peripheral surface 14 of shaft component 4.Also it can replace the elastic component 9 and set
There is adhesive layer.Using the adhesive layer, oil scraper ring 2 is adhered to the outer peripheral surface 14 of shaft component 4.It can also be in the inner circumferential of cylindrical portion 11
The component in addition to adhesive layer is arranged in the outer peripheral surface 14 of face 21 and shaft component 4.
In one embodiment of the present invention, containment member 3 has ring-type.Containment member 3 is to surround the rotation of shaft component 4
The mode of axis configures.In one embodiment, containment member 3 has base portion 13, main ring portion 24, in the rotary shaft of shaft component 4
Main lip 25, dustproof lip 26 and the ring spring 27 of position not Chong Die with base portion 13 are configured on line direction.Dustproof lip 26 is used for
Prevent the foreign matters such as the dust floated in exterior space from entering inner space.
Next, illustrating the details of containment member 3 referring to Fig. 2.Fig. 2 is the containment member 3 that amplification indicates Fig. 1
Enlarged cross-sectional view.As illustrated, the containment member 3 of one embodiment of the present invention has and connects with the inner peripheral surface 15 of shell 5
The outer peripheral surface 23 of touching.Main ring portion 24 includes the part 1 241 of cylindrical shape, has consistent with the rotation axis of shaft component 4
Or substantially uniform central axis；And cricoid part 2, from the end of part 1 241 to the radial direction of shaft component 4
Inside is prominent.Main ring 24 is in contact in part 1 241 with the inner peripheral surface 15 of shell 5.Main lip 25 and/or dustproof lip 26 can also be with
It is integrally formed with main ring portion 24.Main lip 25 and/or dustproof lip 26 also can use the elastic components such as rubber and formed.Dustproof lip 26
Main ring portion 24 can be set to.Dustproof lip 26 can also be integrally formed with main ring portion 24.Ring spring 27 is radially set shaft component 4
In the outside of main lip 25.In one embodiment, main lip 25 and/or dustproof lip 26 with the outer peripheral surface 20 of oil scraper ring 2 to contact
Mode configures.
In one embodiment of the present invention, base portion 13 is formed by corrosion-resistant metal, such as stainless steel.In the reality of diagram
It applies in mode, base portion 13 is formed as L-shaped on the section of rotation axis RAX for passing through shaft component 4.The shape of base portion 13, structure
It makes, size and material are not limited to the content expressly illustrated in the present specification.In one embodiment of the present invention, base
Portion 13 has cylindrical portion 16 and annulus 17.The rotation axis RAX of cylindrical portion 16 and shaft component 4 is coaxial or substantially coaxially matches
It sets.Inside of the annulus 17 from the one end on the rotation axis direction of cylindrical portion 16 towards shaft component 4 is prominent.
In one embodiment, main lip 25 is on the inside of the rotation axis direction than the part 2 242 in main ring portion 24
The component of position of the end face 242a on the inside of rotation axis direction.It is being indicated between main ring 24 and main lip 25 in Fig. 2 with dotted line L
Boundary.The dotted line L of Fig. 2 is an example of the boundary between main ring 24 and main lip 25, main ring portion 24 can also be arranged in other positions
With the boundary between main lip 25.In one embodiment, main lip 25 be configured on the rotation axis direction of shaft component 4 not with ring
The position that shape portion 17 is overlapped.In one embodiment, main lip 25 can also be configured at dustproof lip 26 on rotation axis direction
Side.In the illustrated embodiment, main lip 25 is configured at the position than dustproof lip 26 on the inside of rotation axis direction.Main lip 25
The position than dustproof lip 26 on the outside of rotation axis direction can also be configured at.
In the illustrated embodiment, dustproof lip 26 is set to the radially inner side of annulus 17.In another implementation of the invention
In mode, dustproof lip 26 can also be configured at position not Chong Die with base portion 13 on the rotation axis direction of shaft component 4.One
In embodiment, dustproof lip 26 can also be configured on rotation axis direction relative to annulus 17 opposite with exterior space
Side.That is, dustproof lip 26 can also be configured at the position than annulus 17 on the inside of rotation axis direction.
In one embodiment of the present invention, main lip 25 is configured on rotation axis direction relative to annulus 17 and cylinder
The opposite side in shape portion 16.In one embodiment, annulus 17 can also be configured between main lip 25 and cylindrical portion 16.
As illustrated, the top of dustproof lip 26 is in contact with the outer peripheral surface 20 of cylindrical portion 11.In shaft component 4 and shell 5
At least one of rotation during, the top of dustproof lip 26 and the cylindrical portion 11 of the end face 14 of shaft component 4 or oil scraper ring 2 are rubbed
It wipes.In one embodiment, oil scraper ring 2 is formed by the wear resistance material more excellent than shaft component 4, thus be able to suppress because with it is anti-
The abrasion of oil scraper ring 2 caused by dirt lip 26 contacts.
Main lip 25 has crimp rings 251 and shackle 252.Crimp rings 251 between dustproof lip 26 and inner space with axis
The end face 14 of component 4 or the outer peripheral surface 20 of cylindrical portion 11 are in contact.Shackle 252 makes the rotation of crimp rings 251 Yu main ring portion 24
End connection on the inside of shaft axis direction.
Shaft component 4 radially, the outside of main lip 25 in a manner of surrounding main lip 25 be equipped with ring spring 27.Ring spring
27 will be applied to the crimp rings 251 of main lip 25 towards the power of the radially inner side of shaft component 4.Crimp rings 251 are tightly attached to axis structure as a result,
The end face 14 of part 4 or the outer peripheral surface 20 of cylindrical portion 11, and crimp rings 251 is made to be tightly attached to the outer peripheral surface 20 of cylindrical portion 11.As a result,
Prevent from being accommodated in the liquid (for example, lubricating oil etc.) of the inner space of shell 5 from the outer peripheral surface 20 of crimp rings 251 and cylindrical portion 11
Between to external spatial leaks.
Next, illustrating the sealing mechanism of another embodiment of the present invention referring to Fig. 3.About the portion general with Fig. 1
Point, it omits the description.Sealing mechanism 1 shown in Fig. 3 is different from sealing mechanism 1 shown in FIG. 1 in terms of having cover portion 18.Cover portion
18 are constituted and are configured in a manner of covering ring spring 27 from the radial outside of the shaft component 4.
In one embodiment, cover portion 18 is from the annulus 17 of base portion 13 or main ring portion 24 to the rotation axis side RAX
The mode protruded inwardly is arranged.Cover portion 18 both can be with 24 one of base portion 13 or main ring portion, can also be seperated.Utilize cover portion
18, it can prevent the autonomous lip 25 of ring spring 27 from falling off.
Next, illustrating function and effect caused by embodiments of the present invention.According to above-mentioned each embodiment, in axis
On the rotation axis direction of component 4, main lip 25 is configured at position not Chong Die with the base portion 13 of containment member 3, therefore can prevent
Only because main lip 25 and base portion 13 shaft component 4 it is radially Chong Die caused by sealing mechanism 1 enlargement.Thereby, it is possible to realities
Miniaturization of the existing sealing mechanism 1 in the size radially of shaft component 4.
According to above-mentioned embodiment, main lip 25 is configured at position not Chong Die with annulus 17 on rotation axis direction
It sets, therefore the large size of the sealing mechanism 1 because of caused by main lip 25 and annulus 17 in being radially overlapped of shaft component 4 can be prevented
Change.Thereby, it is possible to realize sealing mechanism 1 in the miniaturization of the size radially of shaft component 4.
According to above-mentioned embodiment, dustproof lip 26 is configured at position not Chong Die with base portion 13 on rotation axis direction
It sets, therefore the large size of the sealing mechanism 1 because of caused by dustproof lip 26 and base portion 13 in being radially overlapped of shaft component 4 can be prevented
Change.Thereby, it is possible to realize sealing mechanism 1 in the miniaturization of the size radially of shaft component 4.
According to above-mentioned embodiment, dustproof lip 26 is in the inside for being radially configured at annulus 17 of shaft component 4.By
This, can be improved the sealing force of dustproof lip 26.
As above, it can be realized sealing mechanism 1 in the miniaturization of the size radially of shaft component 4, therefore can
It improves sealing mechanism 1 and has the design freedom of the device 10 of the sealing mechanism 1.
Claims (12)
1. a kind of sealing mechanism, wherein
The sealing mechanism has the containment member between shaft component and shell, which stores at least the one of the shaft component
Part,
The containment member have base portion and main lip, the main lip be configured on the rotation axis direction of the shaft component not with institute
State the position of base portion overlapping.
2. sealing mechanism according to claim 1, wherein
The base portion has cylindrical portion and annulus,
The main lip is configured at position not Chong Die with the annulus on the rotation axis direction.
3. sealing mechanism according to claim 2, wherein
The containment member has dustproof lip,
The dustproof lip is configured at position not Chong Die with the base portion on the rotation axis direction.
4. sealing mechanism according to claim 3, wherein
The main lip is configured at the side in the rotation axis direction relative to the dustproof lip.
5. sealing mechanism according to claim 3, wherein
The dustproof lip is in the inside for being radially configured at the annulus of the shaft component.
6. sealing mechanism according to any one of claims 1 to 5, wherein
The sealing mechanism has:
Ring spring is set to the main lip；And
Cover portion covers the ring spring from the radial outside of the shaft component.
7. sealing mechanism according to claim 6, wherein
The cover portion is arranged in such a way that the rotation axis direction from the base portion to the shaft component is outstanding.
8. sealing mechanism according to claim 1, wherein
The sealing mechanism has the oil scraper ring of the outer peripheral surface set on the shaft component,
The containment member is set between the shell and the oil scraper ring.
9. sealing mechanism according to claim 3, wherein
The sealing mechanism has the oil scraper ring of the outer peripheral surface set on the shaft component,
The containment member is set between the shell and the oil scraper ring,
The main lip and the dustproof lip are in contact with the outer peripheral surface of the oil scraper ring.
10. a kind of sealing mechanism, wherein
The sealing mechanism has the containment member between shaft component and shell, which stores at least the one of the shaft component
Part,
The containment member have base portion and main lip, the main lip be configured on the rotation axis direction of the shaft component with it is described
The opposite side of base portion.
11. sealing mechanism according to claim 10, wherein
The base portion has cylindrical portion and annulus,
The annulus is configured between the main lip and the cylindrical portion.
12. a kind of device for having sealing mechanism, wherein
The device is also equipped with:
Shaft component；And
Shell stores at least part of the shaft component,
The sealing mechanism will seal between the shaft component and the shell,
The sealing mechanism has the containment member being set between the shell and the shaft component,
The containment member has is configured at the not base portion with the containment member on the rotation axis direction of the shaft component
The main lip of the position of overlapping.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018097477 | 2018-05-21 | ||
| JP2018-097477 | 2018-05-21 | ||
| JP2019094704A JP7425545B2 (en) | 2018-05-21 | 2019-05-20 | Seal mechanism and device equipped with the seal mechanism |
| JP2019-094704 | 2019-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110513481A true CN110513481A (en) | 2019-11-29 |
Family
ID=68419378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910425887.1A Pending CN110513481A (en) | 2018-05-21 | 2019-05-21 | Sealing mechanism and the device for having the sealing mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110513481A (en) |
| DE (1) | DE102019207424A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0753677A1 (en) * | 1995-07-14 | 1997-01-15 | RFT S.p.A. | A seal for mechanical members coupled for relative rotation, provided with at least one variable-attitude lip |
| US6315296B1 (en) * | 1997-09-25 | 2001-11-13 | Transcom, Inc. | Flangeless retrofittable severe duty seal for a shaft |
| US20020011710A1 (en) * | 1997-09-25 | 2002-01-31 | Oldenburg Michael R. | Retrofittable severe duty seal for a shaft |
| FR2813371A1 (en) * | 2000-08-30 | 2002-03-01 | Freudenberg Carl | Seal for use between shaft and casing has external ring connected to internal ring, forming U-profile, main sealing ring being attached to inner wall of profile and outer sealing ring with lips forming dynamic seal against inner surfaces |
| US20020131659A1 (en) * | 2001-03-16 | 2002-09-19 | Skf Industrie S.P.A. | Sealing device for rolling bearings |
| US20020175473A1 (en) * | 1997-09-25 | 2002-11-28 | Oldenburg Michael R. | Method of using a retrofittable severe duty seal for a shaft |
| US20130243359A1 (en) * | 2012-03-16 | 2013-09-19 | Jtekt Corporation | Sealing device and rolling bearing unit |
| EP3267078A1 (en) * | 2016-07-06 | 2018-01-10 | Rolf S.p.A. | Cassette seal assembly, in particular for vehicle axles |
-
2019
- 2019-05-21 DE DE102019207424.3A patent/DE102019207424A1/en active Pending
- 2019-05-21 CN CN201910425887.1A patent/CN110513481A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0753677A1 (en) * | 1995-07-14 | 1997-01-15 | RFT S.p.A. | A seal for mechanical members coupled for relative rotation, provided with at least one variable-attitude lip |
| US6315296B1 (en) * | 1997-09-25 | 2001-11-13 | Transcom, Inc. | Flangeless retrofittable severe duty seal for a shaft |
| US20020011710A1 (en) * | 1997-09-25 | 2002-01-31 | Oldenburg Michael R. | Retrofittable severe duty seal for a shaft |
| US20020175473A1 (en) * | 1997-09-25 | 2002-11-28 | Oldenburg Michael R. | Method of using a retrofittable severe duty seal for a shaft |
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| Publication number | Publication date |
|---|---|
| DE102019207424A1 (en) | 2019-11-21 |
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