CN207212955U - Relatively rotate the sealing device of interelement - Google Patents
Relatively rotate the sealing device of interelement Download PDFInfo
- Publication number
- CN207212955U CN207212955U CN201721196013.6U CN201721196013U CN207212955U CN 207212955 U CN207212955 U CN 207212955U CN 201721196013 U CN201721196013 U CN 201721196013U CN 207212955 U CN207212955 U CN 207212955U
- Authority
- CN
- China
- Prior art keywords
- circle
- lip
- circle body
- ring
- shaped
- 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.)
- Active
Links
Landscapes
- Sealing Devices (AREA)
Abstract
It the utility model is related to a kind of sealing device for relatively rotating interelement, including the first seal being located therein on an element and the second seal on another element, first seal and second seal can relatively rotate, seal and coordinate through rubber parts between first seal and second seal, second seal is that cross sectional shape is U-shaped, the U-shaped bracing ring of ring-type, the corresponding U-shaped bracing ring has the annular chamber with opening, the first seal is annular rigid back-up ring, first seal is stretched into the opening of U-shaped bracing ring, the rubber parts includes respectively contacting the opening both sides girth sheets of U-shaped bracing ring with first seal on the epipharynx circle and outer lip circle for sealing cooperation, the annular chamber of the U-shaped bracing ring is through epipharynx circle, outer lip circle, first seal sealing forms grease storage chamber after coordinating.With storage lubricant grease function, good sealing effect, go slick the advantages of stable.
Description
Technical field
Mechanical sealing technology is the utility model is related to, specifically relatively rotating interelement for two needs to seal
The sealing device used in occasion.
Background technology
Bearing is the common product with two relative rotation elements, is the mechanical rotary body of support, reduces it and be moved through
In journeyCoefficient of friction, and ensure its rotating accuracy.In some occasions with seal request, it is necessary to which bearing is with sealing
Can, set sealing device to ensure the life-span that runs well between two lassos of bearing.It is existing ensure two rotating elements it
Between the sealing structure that seals it is more, such as the ring structure on bearing, it generally installs sealing ring, sealing ring on a lasso
Upper sealing lip contacts sealing with another lasso and coordinated, or rectangle combined seal ring design using mutual spiral-lock etc., but on
Any occasion use can not be applicable by stating sealing structure, but have the function that to store lubricant grease in existing sealing ring so that contact
Frictional force at sealing is larger, influences the going slick property between two rotating elements；And existing sealing device is in installation settings
It is upper inconvenience to be present.
The content of the invention
The present utility model purpose：The defects of to overcome prior art to exist, the utility model offer one kind, which has, deposits
The sealing device of the relative rotation interelement of lubricant grease function is stored up, there is good sealing effect, go slick the advantages of stable.
To achieve the above object, the utility model provides following technical scheme：
A kind of sealing device for relatively rotating interelement, including the first seal that is located therein on an element and set
Second seal on another element, first seal and second seal can relatively rotate, first seal and second close
Seal and coordinate through rubber parts between sealing, it is characterised in that：Described second seal is that cross sectional shape is U-shaped, ring-type U
Type bracing ring, the corresponding U-shaped bracing ring have the annular chamber with opening, and the first seal is annular rigid back-up ring,
First seal is stretched into the opening of U-shaped bracing ring, the rubber parts include respectively to the opening both sides girth sheets of U-shaped bracing ring with
The epipharynx circle and outer lip circle that first seal contact sealing coordinates, the annular chamber of the U-shaped bracing ring through epipharynx circle, outer lip circle,
First seal sealing forms grease storage chamber after coordinating.
By using above-mentioned technical proposal, second seal is designed using U-shaped bracing ring, and it is close that first seal stretches into second
In the opening of sealing, form labyrinth seal passage, epipharynx circle realizes the opening side of U-shaped bracing ring and rigid back-up ring contact it is close
Envelope, outer lip circle realizes the opening opposite side of U-shaped bracing ring and rigid back-up ring contacts sealing, good seal performance, and after sealing, U
The oral area of the annular chamber of type bracing ring is closed the space to be formed for lubricant grease storage（That is grease storage chamber）, lubricant grease is
The contact of first seal and epipharynx circle and outer lip circle in second seal relative rotational motion provides lubrication, ensures the first sealing
Part and second seal relatively rotate flexibility and reliability.
Preferably, for the epipharynx circle on the inner side girth sheets of U-shaped bracing ring, outer lip circle is located at the outside of U-shaped bracing ring
On girth sheets, between epipharynx circle and outer lip circle, rigid back-up ring contacts sealing with epipharynx circle, outer lip circle and coordinated rigid back-up ring.Should
It is simple in construction under structure design, it is easy to process.
Preferably, the U-shaped bracing ring includes the secondary circle body of the U-shaped main circle body of rigidity and tubular, the U-shaped bracing ring
Opening opens up along its axial direction, and for the opening of the corresponding U-shaped main circle body of rigidity towards axially, the epipharynx circle and outer lip circle are divided into rigidity
On U-shaped main circle body and secondary circle body, secondary circle body is on the U-shaped main circle body of rigidity.Under the structure design, it is easy to epipharynx circle and outer lip circle
Processing formed, there is the advantages of good airproof performance, be easy to the assembling of secondary circle body and the U-shaped main circle body of rigidity.
Preferably, the secondary circle body is located at the annular groove intracavitary of the U-shaped main circle body of rigidity, and secondary circle body is located at the U-shaped main circle of rigidity
On the side position of inner side circle body one of body, the inner side circle body sealing of secondary circle body and the U-shaped main circle body of rigidity coordinates, the corresponding epipharynx
Circle is on secondary circle body, and outer lip circle is on the outside girth sheets of the U-shaped main circle body of rigidity.It is compact-sized under the structure design, sealing
Property is good.
Preferably, the secondary circle body includes the rigid backbone of tubular, has rubber ring on the radial circumference face of rigid backbone,
Rubber ring is provided with axially distributed multiple tracks ring-shaped rubber projection, and secondary circle body is through rubber ring, ring-shaped rubber projection in interference fit with U
On the inner side circle body of the main circle body of type.Under the structure design, secondary circle body and U-shaped main circle body sealing coordinate reliably, and are easy to secondary circle
The dismounting of body and U-shaped main circle body.
Preferably, axially corresponded on the secondary circle body U-shaped main circle body opening end be provided be radially orientated U-shaped main circle body
The rubber flange of inner side girth sheets side extension, the end of the U-shaped main circle body opening of correspondence of inner side girth sheets on the U-shaped main circle body
With annular rubber pad, rubber pad towards the annular groove intracavitary side of U-shaped main circle body be provided with annular, ramped shaped it is spacing
Scarf, the rubber flange contradict sealing with spacing scarf and coordinated.Under the structure design, rubber flange and otch form pair
Circle body and U-shaped main circle body axially position, while improve the sealing reliability between secondary circle body and U-shaped main circle body.
Preferably, the rigid back-up ring is tubular, and rigid back-up ring stretches into U-shaped bracing ring along the axially extending of U-shaped bracing ring
Opening, the outer lip circle axially extends setting in the outside girth sheets end position of U-shaped bracing ring, and outer lip circle includes annular
Rubber matrix, the inside diameter hoop side of rubber matrix are provided with the lip coordinated with the sealing of rigid back-up ring Elastic Contact.The structure design
Under, outer lip circle is located at the outside girth sheets end of U-shaped bracing ring, and outer lip circle radially contacts with close with preferably elasticity with rigid back-up ring
Sealing property.
Preferably, the lip includes the first lip and the second lip that axially ecto-entad is arranged successively, and first
Form lip groove between lip and the second lip, the cross sectional shape of the first lip and the second lip be triangle, the first lip with
Second lip inner-diameter end corresponds to vertex angle, towards the side wall of grease storage chamber from root to inner-diameter end on second lip
Tilt and extend in the opening of U-shaped bracing ring oblique vertically, the side wall towards grease storage chamber and rigid back-up ring on the second lip
It is at an acute angle, connected between the side wall and lip groove bottom wall away from grease storage chamber on second lip through arc surface transition, institute
The excircle side wall for stating rubber matrix is provided with the annular groove of corresponding first lip position, and rubber matrix forms corresponding the through annular groove
The thick circle of the thin circle of one lip and corresponding second lip, the radial thickness of thin circle are less than the radial thickness of thick circle, Hou Quan and thin
The corresponding junction on rubber matrix radially outer periphery face of circle is in slope.Under the structure design, double-lip contact seal,
First lip and the second lip are triangle, and the second lip is at an acute angle with rigid back-up ring towards the side wall of grease storage chamber
Inclination, connect between the side wall and lip groove bottom wall away from grease storage chamber on the second lip, ensureing through arc surface transition
While sealing, it is easy to bearing at work, the air pressure discharge formed in grease storage chamber, the excircle side wall of rubber matrix is set
There is the annular groove of corresponding first lip position, improve the sealed elastic of the first lip, take into account pressure release, sealing and frictional force.
Preferably, has rubber tube circle on the inner side circle body of the U-shaped main circle body of the rigidity, it is U-shaped that rubber tube circle is attached to rigidity
On the inner peripheral wall of the inner side circle body of main circle body, the inside diameter hoop wall of rubber tube circle axially arranges annular rubber provided with some
Glue convex tendon.Under the structure design, the U-shaped main circle body of rigidity and seat seal coordinate reliably, and are easy to U-shaped bracing ring to dismount.
Preferably, be provided with least two epipharynx circles arranged vertically on the secondary circle body, two epipharynx circles by
Root extends to inner-diameter end in the open at one end for being angled away from U-shaped bracing ring vertically.Under the structure design, rigid back-up ring is improved
Sealing property between U-shaped bracing ring.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the use state figure that the utility model specific embodiment sealing device is used on bearing；
Fig. 2 is part A partial enlarged view in Fig. 1；
Fig. 3 is the utility model specific embodiment second seal structural representation；
Fig. 4 is part B partial enlarged view in Fig. 3；
Fig. 5 is the U-shaped main circle body structural representation of the utility model specific embodiment；
Element a, element b, first seal（Rigid back-up ring）1, second seal（U-shaped bracing ring）2, U-shaped main circle body 21,
Annular vallecular cavity 210, inner side circle body 211, outside girth sheets 212, rubber pad 213, spacing scarf 2131, rubber tube circle 214, rubber
Glue convex tendon 2141, secondary circle body 22, rigid backbone 221, rubber ring 222, rubber bumps 2221, rubber flange 223, annular chamber 20,
Grease storage chamber 200, epipharynx circle 3, outer lip circle 4, lip groove 40, rubber matrix 41, annular groove 410, slope 4100, thin circle
41-1, thickness circle 41-2, the first lip 42, the second lip 43, towards the side wall 430 of grease storage chamber 200, circle on the second lip 43
Cambered surface 431.
Embodiment
It is a kind of disclosed in the utility model to relatively rotate the sealing device of interelement referring to accompanying drawing 1 ~ 5, including be located therein
First seal 1 on one element a and the second seal 2 on another element b, first seal 1 and second are close
Sealing 2 can relatively rotate, and seal and coordinate through rubber parts between first seal 1 and second seal 2, described second seal
2 be that cross sectional shape is U-shaped, ring-type U-shaped bracing ring 2, and the corresponding U-shaped bracing ring has the annular chamber 20 with opening, institute
Rigid back-up ring 1 of the first seal 1 for annular is stated, first seal 1 is stretched into the opening of U-shaped bracing ring 2, the rubber parts bag
Include and contact the epipharynx circle 3 and outer lip circle 4 that sealing coordinates with first seal 1 to the opening both sides girth sheets of U-shaped bracing ring 2 respectively,
The annular chamber 20 of the U-shaped bracing ring 2 forms grease storage chamber after epipharynx circle 3, outer lip circle 4, the sealing of first seal 1 coordinate
200.Second seal is designed using U-shaped bracing ring, and first seal is stretched into the opening of second seal, and it is close to form labyrinth shape
Passage is sealed, epipharynx circle realizes the opening side of U-shaped bracing ring and rigid back-up ring contacts sealing, and outer lip circle realizes U-shaped bracing ring
Opening opposite side contacts sealing with rigid back-up ring, good seal performance, and after sealing, the oral area quilt of the annular chamber of U-shaped bracing ring
Closing forms the space for lubricant grease storage（That is grease storage chamber）, lubricant grease is first seal and second seal phase
Contact to epipharynx circle and outer lip circle in rotation process provides lubrication, ensures that first seal and second seal relatively rotate spirit
It is living reliable.
The epipharynx circle 3 is on the inner side girth sheets of U-shaped bracing ring 2（It need to be pointed out that " inner side girth sheets " refers to sealing device
In a state of use, the side girth sheets in by sealing space is inner side girth sheets, and corresponding opposite side girth sheets encloses for outside
Plate）, outer lip circle 4 is on the outside girth sheets of U-shaped bracing ring 2, and rigid back-up ring 1 is between epipharynx circle 3 and outer lip circle 4, rigidity
Back-up ring 1 contacts sealing with epipharynx circle 3, outer lip circle 4 and coordinated.Epipharynx circle and outer lip circle are arranged on U-shaped bracing ring, it is simple in construction,
It is easy to assembly and easy to process.Certainly epipharynx circle and outer lip circle can be also arranged on rigid back-up ring, or by epipharynx circle and outside
Lip circle sets up separately on rigid back-up ring and U-shaped bracing ring 2.
For ease of the processing of epipharynx circle and outer lip circle, the U-shaped bracing ring 2 includes the U-shaped main circle body 21 of rigidity and tubular
Secondary circle body 22, the opening of the U-shaped bracing ring 2 opens up along its axial direction, and the opening of the corresponding U-shaped main circle body 21 of rigidity is towards axle
To the epipharynx circle 3 and outer lip circle 4 are divided on the U-shaped main circle body 21 of rigidity and secondary circle body 22, and secondary circle body 22 is U-shaped located at rigidity
On main circle body 21.Certainly another program feasible as the utility model, the opening of U-shaped bracing ring also can be opened up radially.
Wherein, for the secondary circle body 22 in the annular vallecular cavity 210 of the U-shaped main circle body 21 of rigidity, secondary circle body 22 is located at rigid U
On the side position of inner side circle body 211 1 of the main circle body 21 of type（Need herein it is emphasized that the inner side circle body 211 of U-shaped main circle body 21
To refer to sealing device in a state of use, the side circle body in by sealing space is inner side circle body, corresponding opposite side circle
Body is outside circle body）, the sealing cooperation of inner side circle body 211 of secondary circle body 22 and the U-shaped main circle body 21 of rigidity, the corresponding epipharynx circle
3 on secondary circle body 22, and outer lip circle 4 is on the outside girth sheets 212 of the U-shaped main circle body 21 of rigidity.It is compact-sized, good airproof performance.
The secondary circle body 22 includes the rigid backbone 221 of tubular, has rubber ring on the radial circumference face of rigid backbone 221
222, rubber ring 222 is provided with axially distributed multiple tracks ring-shaped rubber projection 2221, and secondary circle body 22 is through rubber ring 222, annular rubber
Glue projection 2221 is in interference fit with the inner side circle body 211 of U-shaped main circle body 21.Secondary circle body and U-shaped main circle body sealing coordinate reliably,
And it is easy to the dismounting of secondary circle body and U-shaped main circle body.Certainly scheme feasible as the utility model, secondary circle body can also use rubber
Cushion rubber, directly it is sleeved on the inner side circle body of U-shaped main circle body.
Axially corresponded on the secondary circle body 22 the U-shaped opening of main circle body 21 end be provided be radially orientated in U-shaped main circle body
The rubber flange 223 of the side of side girth sheets 211 extension, the U-shaped main circle body 21 of correspondence of inner side girth sheets 211 on the U-shaped main circle body 21
Rubber pad 213 of the end of opening with annular, rubber pad 213 is towards in the annular vallecular cavity 210 of U-shaped main circle body 21 one
Side is provided with annular, the spacing scarf 2131 of ramped shaped, and the rubber flange 223 contradicts sealing with spacing scarf 2131 and matched somebody with somebody
Close.Rubber flange and otch form secondary circle body and U-shaped main circle body axially position, while improve between secondary circle body and U-shaped main circle body
Sealing reliability.
In this specific embodiment, the rigid back-up ring 1 is tubular, and rigid back-up ring 1 is stretched along U-shaped the axially extending of bracing ring 2
Enter the opening of U-shaped bracing ring 2, the outer lip circle 4 axially extends setting in the outside girth sheets end position of U-shaped bracing ring 2, outside
Lip circle 4 includes the rubber matrix 41 of annular, and the inside diameter hoop side of rubber matrix 41 is provided with matches somebody with somebody with the sealing of the rigid Elastic Contact of back-up ring 1
The lip of conjunction.Outer lip circle is located at the outside girth sheets end of U-shaped bracing ring, and outer lip circle is radially contacted with more preferable with rigid back-up ring
Elastic packing performance.
The lip includes the first lip 42 and the second lip 43 that axially ecto-entad is arranged successively, the first lip
42 and second form lip groove 40 between lip 43, and the cross sectional shape of the first lip 42 and the second lip 43 is triangle, and first
The inner-diameter end of 42 and second lip of lip 43 corresponds to vertex angle, towards the side of grease storage chamber 200 on second lip 43
Wall 430 tilts from root to inner-diameter end in the opening of U-shaped bracing ring 2 oblique vertically to be extended, towards grease on the second lip 43
The side wall of storage chamber 200 and rigid back-up ring 1 are at an acute angle, side wall and lip away from grease storage chamber 200 on second lip 43
Connected between the mouth bottom wall of groove 40 through the transition of arc surface 431, the excircle side wall of the rubber matrix 41 is provided with corresponding first lip
The annular groove 410 of 43 positions, rubber matrix 41 form the thin circle 41-1 and corresponding the of corresponding first lip 42 through annular groove 410
Thick the circle 41-2, thin circle 41-1 of two lips 43 radial thickness are less than thick circle 41-2 radial thickness, thickness circle 41-2 and thin circle 41-
The 1 corresponding junction on the radially outer periphery face of rubber matrix 41 is in slope 4100.Double-lip contact seal, the first lip
Be triangle with the second lip, and the second lip towards the side wall of grease storage chamber be the inclination at an acute angle with rigid back-up ring,
Connected between side wall and lip groove bottom wall away from grease storage chamber on second lip through arc surface transition, ensureing the same of sealing
When, it is easy to bearing at work, the air pressure discharge formed in grease storage chamber, the excircle side wall of rubber matrix is provided with corresponding the
The annular groove of one lip position, the sealed elastic of the first lip is improved, takes into account pressure release, sealing and frictional force.
Further, have rubber tube circle 214, rubber tube circle on the inner side circle body 211 of the U-shaped main circle body 21 of the rigidity
214 are attached on the inner peripheral wall of the inner side circle body 211 of the U-shaped main circle body 21 of rigidity, and the inside diameter hoop wall of rubber tube circle 214 is provided with
It is some axially to arrange ring-shaped rubber convex tendon 2141.The U-shaped main circle body of rigidity and corresponding element（Seat ring）Sealing coordinates reliably,
And it is easy to U-shaped bracing ring to dismount.
At least two epipharynx circles 3 arranged vertically are provided with the secondary circle body 22, two epipharynx circles 3 are by root
Extend to inner-diameter end in the open at one end for being angled away from U-shaped bracing ring 21 vertically.Under the structure design, improve rigid back-up ring and
Sealing property between U-shaped bracing ring.Wherein, described rigid back-up ring 2 uses stamping parts.
Claims (10)
1. a kind of sealing device for relatively rotating interelement, including the first seal that is located therein on an element and it is located at
Second seal on another element, first seal and second seal can relatively rotate, first seal and the second sealing
Seal and coordinate through rubber parts between part, it is characterised in that：Described second seal is that cross sectional shape is U-shaped, ring-type U-shaped
Bracing ring, the corresponding U-shaped bracing ring have the annular chamber with opening, and the first seal is annular rigid back-up ring, the
One seal is stretched into the opening of U-shaped bracing ring, and the rubber parts includes the opening both sides girth sheets to U-shaped bracing ring respectively and the
The epipharynx circle and outer lip circle that the contact sealing of one seal coordinates, the annular chamber of the U-shaped bracing ring is through epipharynx circle, outer lip circle, the
The sealing of one seal forms grease storage chamber after coordinating.
2. the sealing device of interelement is relatively rotated according to claim 1, it is characterised in that：The epipharynx circle is located at U-shaped
On the inner side girth sheets of bracing ring, for outer lip circle on the outside girth sheets of U-shaped bracing ring, rigid back-up ring is located at epipharynx circle and outer lip circle
Between, rigid back-up ring contacts sealing with epipharynx circle, outer lip circle and coordinated.
3. the sealing device of interelement is relatively rotated according to claim 2, it is characterised in that：The U-shaped bracing ring includes
The secondary circle body of the U-shaped main circle body of rigidity and tubular, the opening of the U-shaped bracing ring open up along its axial direction, the corresponding U-shaped main circle of rigidity
The opening of body is towards axially, and the epipharynx circle and outer lip circle are divided on the U-shaped main circle body of rigidity and secondary circle body, and secondary circle body is located at firm
On the U-shaped main circle body of property.
4. the sealing device of interelement is relatively rotated according to claim 3, it is characterised in that：The secondary circle body is located at rigidity
The annular groove intracavitary of U-shaped main circle body, secondary circle body on the side position of inner side circle body one of the U-shaped main circle body of rigidity, secondary circle body with just
Property U-shaped main circle body the sealing of inner side circle body coordinate, for the corresponding epipharynx circle on secondary circle body, outer lip circle is U-shaped located at rigidity
On the outside girth sheets of main circle body.
5. the sealing device of interelement is relatively rotated according to claim 4, it is characterised in that：The secondary circle body includes tubular
Rigid backbone, have rubber ring on the radial circumference face of rigid backbone, rubber ring is provided with axially distributed multiple tracks annular rubber
Glue is raised, and secondary circle body is through rubber ring, ring-shaped rubber projection in interference fit with the inner side circle body of U-shaped main circle body.
6. the sealing device of interelement is relatively rotated according to claim 5, it is characterised in that：It is axially right on the secondary circle body
The end of U-shaped main circle body opening is answered to be provided with the rubber flange for being radially orientated girth sheets side extension on the inside of U-shaped main circle body, the U
Rubber pad of the end of the U-shaped main circle body opening of correspondence of inner side girth sheets with annular on the main circle body of type, rubber pad is towards U
The annular groove intracavitary side of the main circle body of type is provided with annular, the spacing scarf of ramped shaped, the rubber flange and spacing scarf
Sealing is contradicted to coordinate.
7. the sealing device of interelement is relatively rotated according to claim 3, it is characterised in that：The rigid back-up ring is cylinder
Shape, the axially extending opening that stretches into U-shaped bracing ring of the rigid back-up ring along U-shaped bracing ring, the outer lip circle is in the outer of U-shaped bracing ring
Side girth sheets end position axially extends setting, and outer lip circle includes the rubber matrix of annular, and the inside diameter hoop side of rubber matrix is set
There is the lip coordinated with the sealing of rigid back-up ring Elastic Contact.
8. the sealing device of interelement is relatively rotated according to claim 7, it is characterised in that：The lip is included along axle
The first lip and the second lip arranged successively to ecto-entad, formation lip groove between the first lip and the second lip, first
The cross sectional shape of lip and the second lip is triangle, and the first lip and the second lip inner-diameter end correspond to vertex angle, described
Tilt and prolong in the opening of U-shaped bracing ring oblique vertically from root to inner-diameter end towards the side wall of grease storage chamber on second lip
Stretch, it is at an acute angle towards the side wall of grease storage chamber and rigid back-up ring on the second lip, stored on second lip away from grease
Connected between the side wall and lip groove bottom wall of chamber through arc surface transition, the excircle side wall of the rubber matrix is provided with corresponding first
The annular groove of lip position, rubber matrix form the thin circle of corresponding first lip and the thickness of corresponding second lip through annular groove
Circle, the radial thickness of thin circle are less than the radial thickness of thick circle, and Hou Quan and thin circle are corresponding on rubber matrix radially outer periphery face
Junction is in slope.
9. the sealing device of interelement is relatively rotated according to claim 7, it is characterised in that：The U-shaped main circle body of rigidity
Inner side circle body on have a rubber tube circle, rubber tube circle is attached on the inner peripheral wall of the inner side circle body of the U-shaped main circle body of rigidity, rubber
The inside diameter hoop wall of cylinder circle axially arranges ring-shaped rubber convex tendon provided with some.
10. the sealing device of interelement is relatively rotated according to claim 3, it is characterised in that：Set on the secondary circle body
There are an at least two epipharynx circles arranged vertically, two epipharynx circles are U-shaped in being angled away from vertically from root to inner-diameter end
The open at one end extension of bracing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196013.6U CN207212955U (en) | 2017-09-18 | 2017-09-18 | Relatively rotate the sealing device of interelement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196013.6U CN207212955U (en) | 2017-09-18 | 2017-09-18 | Relatively rotate the sealing device of interelement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212955U true CN207212955U (en) | 2018-04-10 |
Family
ID=61821409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721196013.6U Active CN207212955U (en) | 2017-09-18 | 2017-09-18 | Relatively rotate the sealing device of interelement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923059A (en) * | 2021-02-02 | 2021-06-08 | 重庆创鸿机电有限公司 | Combined sealing structure and automobile steering knuckle bearing sealing structure |
-
2017
- 2017-09-18 CN CN201721196013.6U patent/CN207212955U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923059A (en) * | 2021-02-02 | 2021-06-08 | 重庆创鸿机电有限公司 | Combined sealing structure and automobile steering knuckle bearing sealing structure |
| CN112923059B (en) * | 2021-02-02 | 2023-10-27 | 重庆创鸿机电有限公司 | Combined sealing structure and automobile steering knuckle bearing sealing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106724559B (en) | Anti-pollution packed water drinking water bottle | |
| CN205715300U (en) | Roller bearing | |
| CN205877197U (en) | Wheel hub bearing is with four lip combined seal ring | |
| JPH0328005U (en) | ||
| CN207212955U (en) | Relatively rotate the sealing device of interelement | |
| CN108027066A (en) | Sealing device | |
| CN106948830A (en) | A kind of native storehouse sealing device of novel shield machine | |
| CN207033996U (en) | Wheel hub bearing seal device | |
| CN207195902U (en) | A kind of rotary drilling rig center-rotary joint | |
| CN202118258U (en) | An oil seal with an oil return thread | |
| CN107575386B (en) | A kind of vortex type automobile air conditioner compressor | |
| CN207178471U (en) | A kind of sealing ring | |
| CN206770606U (en) | A kind of pure JiaoKXing Quan of dust-proof mouth with boss | |
| CN206439307U (en) | A kind of sealing structure of linear ball bearing | |
| CN206770628U (en) | It is easy to open and close the butterfly valve of dish plate | |
| CN107477082A (en) | Closed type plain thrust bearing | |
| CN207961293U (en) | Farm machinery bearing arrangement | |
| CN206513831U (en) | Improve the lateral oil seal of sealing reliability | |
| CN105805407A (en) | Valve rod sealing structure | |
| CN203146600U (en) | High-sealing low-torque combined type sealing ring | |
| CN207093593U (en) | Cam following bearing | |
| CN206937134U (en) | A kind of novel pneumatic stagewise inner periphery centring means | |
| CN204223851U (en) | A kind of rotating disc type ash-discharging device | |
| CN206786007U (en) | A kind of kidney-shaped drive shaft seal circle | |
| CN206017669U (en) | A kind of reductor dust-proof sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 298, Fangjia mountain road, Huzhou, Zhejiang Province Patentee after: Zhejiang Xinzi Precision Machinery Co.,Ltd. Patentee after: HUZHOU SANXING BEARING CO.,LTD. Address before: No. 298, Fangjia mountain road, Huzhou, Zhejiang Province Patentee before: ZHEJIANG 8+1 PRECISION MACHINERY Co.,Ltd. Patentee before: HUZHOU SANXING BEARING CO.,LTD. |