CN206268294U - A kind of sealed rolling bearing with dynamic compensation sealing structure - Google Patents
A kind of sealed rolling bearing with dynamic compensation sealing structure Download PDFInfo
- Publication number
- CN206268294U CN206268294U CN201621141871.6U CN201621141871U CN206268294U CN 206268294 U CN206268294 U CN 206268294U CN 201621141871 U CN201621141871 U CN 201621141871U CN 206268294 U CN206268294 U CN 206268294U
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- China
- Prior art keywords
- rolling bearing
- sealing
- ring
- sealing structure
- inner ring
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- Expired - Fee Related
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- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of sealed rolling bearing with dynamic compensation sealing structure, including outer ring, inner ring and the ball between outer ring and inner ring, rubber seal of the entirety in annular is embedded with the end face of rolling bearing both sides respectively, annular groove is offered on the external diameter surface of inner ring, rubber ring of the rubber seal by skeleton and vulcanization on skeleton is constituted, and rubber ring has lips flexible labyrinth type sealing structure close to one end of inner peripheral surface, lips flexible labyrinth type sealing structure includes being inclined from the body of rubber ring to inner ring surface direction first sealing lip and the second sealing lip of protrusion；First sealing lip leans with the madial wall of annular groove, and the second sealing lip leans with the surface of inner ring.Its technical scheme uses two-lid sealing structure, eliminates wherein one lip in original three lip seals structure, can effectively reduce the friction torque of rolling bearing, while the temperature rise of rolling bearing is reduced, and then reducing energy consumption, extend the service life of rolling bearing.
Description
Technical field
The utility model is related to bearing apparatus technical field, more particularly to a kind of sealing with dynamic compensation sealing structure
Rolling bearing.
Background technology
The sealing of bearing can be divided into carry sealing and it is additional sealing two classes.It is in bearing mnanufacture that so-called bearing carries sealing
Directly process, bearing is manufactured into sealing property device in itself.Such as bearing band dust cap, sealing ring
Deng this sealing takes up room very little, easy installation and removal, and cost is also than relatively low；The so-called additional sealing of bearing is when in use
Extra increased device, is exactly manufactured into the device with various sealing properties, the additional sealing of bearing in inside such as installation end caps
It is divided into two kinds of non-contacting seal and contact seal again, wherein non-contacting seal is applied to high speed and high temperature applicationss, between having
The different structure form such as gap type, labyrinth type and washer type.During contact seal is applied to, the condition of work of low speed, conventional has
The structure types such as felt seal, cup packing.
At present, the inner side of bearing sealed ring is usually arranged as three lip seal structures near one end of bearing inner race, wherein two
Road lip seals, and another road lip plays dust-break, and three lip sealing rings primarily directed to high pressure speed conditions high
Under sealing.But during bearing runs at high speed, because three road lips are connected on the external diameter surface of bearing inner race, friction
Moment of torsion religion is big, and temperature rise is higher, damages the overall service life of bearing.
Utility model content
For the above-mentioned problems in the prior art, one kind is now provided and is intended to that friction torque can be reduced, is reduced temperature rise
The sealed rolling bearing with dynamic compensation sealing structure, using two-lid sealing structure, eliminate original three lip seals structure
In play wherein one lip of sealing function, to reduce the friction torque of sealed rolling bearing, while reducing sealed rolling axle
The temperature rise held.
Concrete technical scheme is as follows：
A kind of sealed rolling bearing with dynamic compensation sealing structure, including outer ring, inner ring and located at outer ring and interior
Ball between circle, is embedded with rubber seal of the entirety in annular respectively on the end face of sealed rolling bearing both sides,
Annular groove, rubber ring structure of the rubber seal by skeleton and vulcanization on skeleton are offered on the external diameter surface of inner ring
Into, and rubber ring has lips flexible labyrinth type sealing structure, lips flexible labyrinth type sealing knot close to one end of inner peripheral surface
Structure includes being inclined from the body of rubber ring to inner ring surface direction first sealing lip and the second sealing lip of protrusion；
First sealing lip leans with the madial wall of annular groove, and the second sealing lip leans with the surface of inner ring.
In the sealed rolling bearing with dynamic compensation sealing structure that the utility model is provided, also with such spy
Levy, offer the circumferential groove relative with annular groove on the inside diameter surface of outer ring, rubber ring is close to one end of the inside diameter surface of outer ring
It is flush-mounted in circumferential groove with the sealing installation portion matched with circumferential groove, and sealing installation portion.
In the sealed rolling bearing with dynamic compensation sealing structure that the utility model is provided, also with such spy
Levy, the first sealing lip and the second sealing lip collectively form " people " character form structure.
In the sealed rolling bearing with dynamic compensation sealing structure that the utility model is provided, also with such spy
Levy, the second sealing lip is stretched out by the side of the first sealing lip and formed.
In the sealed rolling bearing with dynamic compensation sealing structure that the utility model is provided, also with such spy
Levy, the thickness of the thickness more than the second sealing lip of the first sealing lip.
In the sealed rolling bearing with dynamic compensation sealing structure that the utility model is provided, also with such spy
Levy, the section of annular groove is in inverted trapezoidal structure, and the height at the two side edge of annular groove is different.
In the sealed rolling bearing with dynamic compensation sealing structure that the utility model is provided, also with such spy
Levy, the height positioned at the side edge edge in outside is less than positioned at the side edge edge of inner side.
In the sealed rolling bearing with dynamic compensation sealing structure that the utility model is provided, also with such spy
Levy, retainer is provided between inner ring and outer ring, ball is evenly arranged between inner ring and outer ring by retainer.
The beneficial effect of above-mentioned technical proposal is：
(1) the sealed rolling bearing with dynamic compensation sealing structure includes outer ring, inner ring and ball, rubber seal
Circle, inner peripheral surface sets annular groove, and rubber seal is made up of skeleton and rubber ring, and rubber ring one end has lips flexible labyrinth type
Sealing structure, including the first sealing lip and the second sealing lip, the first sealing lip lean with the madial wall of annular groove, the second sealing
Lip leans with the surface of inner ring, collectively forms dynamic compensation sealing structure, and double containment lip plays the effect of sealing and dust-break simultaneously
Really, wherein one lip that sealing function is played in original three lip seals structure is eliminated, sealed rolling axle can be effectively reduced
The friction torque for holding, while reducing the temperature rise of sealed rolling bearing, and then reduces the abrasion of rubber seal and the energy consumption of bearing,
Extend the service life of sealed rolling bearing；
(2) section of annular groove is in inverted trapezoidal structure, the height at two side edge is different, positioned at the side edge edge in outside
Highly less than the side edge edge positioned at inner side.So as to be beneficial to install rubber seal, and it is easy to dual lip configuration to abut inner peripheral surface.
Brief description of the drawings
Fig. 1 is that a kind of side of the embodiment of sealed rolling bearing with dynamic compensation sealing structure of the present utility model is cutd open
Face structural representation；
Fig. 2 is the partial enlarged drawing in I portions in Fig. 1.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with
The sealed rolling bearing with dynamic compensation sealing structure that lower embodiment combination accompanying drawing 1 and Fig. 2 are provided the utility model is made
It is specifically described.
It is a kind of side cross-section structure of the embodiment of the sealed rolling bearing with dynamic compensation sealing structure refering to Fig. 1
Schematic diagram, is the partial enlarged drawing in I portions in Fig. 1 with reference to Fig. 2, as shown in Figures 1 and 2, the sealing rolling that the utility model is provided
Dynamic bearing includes outer ring 2, inner ring 1 and the ball 3 between outer ring 2 and inner ring 1, divides on the end face of sealed rolling bearing both sides
Rubber seal 4 of the entirety in annular not being embedded with, annular groove 11 being offered on the external diameter surface of inner ring 1, rubber is close
Rubber ring 42 of the seal 4 by skeleton 41 and vulcanization on skeleton 41 is constituted, and rubber ring 42 has close to the one end on the surface of inner ring 1
Lips flexible labyrinth type sealing structure, lips flexible labyrinth type sealing structure is included from the body of rubber ring 42 to the surface of inner ring 1
Direction inclines first sealing lip 43 and the second sealing lip 44 of protrusion, wherein, the madial wall of the first sealing lip 43 and annular groove 11
Lean, the second sealing lip 44 leans with the surface of inner ring 1, collectively form dynamic compensation sealing structure.Specifically, due to rubber
Cushion rubber 42 is overall to be made up of elastomeric material, with flexibility, when in use, rubber seal 4 is inlaid in into sealed rolling bearing
Both sides, the first sealing lip 43 bends be close on the madial wall of the close axis direction of inner ring 1 of circumferential groove under pressure, and second
The bending of sealing lip 44 is close on the external diameter surface of inner ring 1, forms sealing structure.First sealing lip 43 and the second sealing lip 44 are same
When play the effect of sealing and dust-break, eliminate wherein one lip that sealing function is played in original three lip seals structure, together
Sealing under Shi Shiying high pressures speed conditions high to sealed rolling bearing, the friction that can effectively reduce sealed rolling bearing is turned round
Square, while the temperature rise of sealed rolling bearing is reduced, and then reducing energy consumption, extend the service life of sealed rolling bearing.
In a preferred embodiment, specifically as shown in Figure 2, offered and annular on the inside diameter surface of outer ring 2
The relative circumferential groove 21 of groove 11, rubber ring 42 has the sealing matched with circumferential groove 21 close to one end of the inside diameter surface of outer ring 2
Installation portion 45, and sealing installation portion 45 be flush-mounted in circumferential groove 21.So that rubber ring 42 close to outer ring 2 one end equally have it is close
Seal structure, effectively to reduce the temperature rise of sealed rolling bearing.Further, retainer 5, ball are provided between inner ring 1 and outer ring 2
3 are evenly arranged between inner ring 1 and outer ring 2 by retainer 5.So that overall structure is more stable.
In a preferred embodiment, specifically as shown in Figure 2, the first sealing lip 43 and the second sealing lip 44 are common
" people " character form structure is constituted, and the second sealing lip 44 is stretched out by the side of the first sealing lip 43 and is formed.Further,
Thickness of the thickness of one sealing lip 43 more than the second sealing lip 44.
Used as in further preferred embodiment, the section of annular groove 11 is in inverted trapezoidal structure, and annular groove 11 two
Side edge is different along 12 height.Specifically, the side edge positioned at outside is less than positioned at the side edge edge of inner side along 12 height
12.So as to be beneficial to install rubber seal 4, and it is easy to dual lip configuration to abut the surface of inner ring 1.
In the above-mentioned technical solutions, sealed rolling bearing with dynamic compensation sealing structure include outer ring 2, inner ring 1 with
And ball 3, rubber seal 4, the surface of inner ring 1 sets annular groove 11, and rubber seal 4 is made up of skeleton 41 and rubber ring 42, rubber
The one end of cushion rubber 42 has lips flexible labyrinth type sealing structure, including the first sealing lip 43 and the second sealing lip 44, the first sealing
Lip 43 leans with the madial wall of annular groove 11, and the second sealing lip 44 leans with the surface of inner ring 1, collectively forms dynamic compensation
Sealing structure, double containment lip plays the effect of sealing and dust-break simultaneously, eliminates and play in original three lip seals structure sealing and make
Wherein one lip, can effectively reduce the friction torque of sealed rolling bearing, while reducing the temperature of sealed rolling bearing
Rise, and then reducing energy consumption, extend the service life of sealed rolling bearing；The section of annular groove 11 is in inverted trapezoidal structure, two side
The height at edge 12 is different, and the side edge positioned at outside is less than the side edge positioned at inner side along 12 along 12 height.So as to be beneficial to
Rubber seal 4 is installed, and is easy to dual lip configuration to abut the surface of inner ring 1.
Preferred embodiment of the present utility model is the foregoing is only, is merely illustrative for the utility model, and
It is nonrestrictive.Those skilled in the art understanding, can be to it in the spirit and scope that the utility model claim is limited
Many changes are carried out, is changed, in addition it is equivalent, but fall within protection domain of the present utility model.
Claims (8)
1. a kind of sealed rolling bearing with dynamic compensation sealing structure, including outer ring (2), inner ring (1) and located at described
Ball (3) between outer ring (2) and the inner ring (1), be embedded with respectively on the sealed rolling bearing both sides end face one it is whole
Body is in the rubber seal (4) of annular, it is characterised in that
Annular groove (11) is offered on the external diameter surface of the inner ring (1), the rubber seal (4) is by skeleton (41) and vulcanization
Rubber ring (42) on the skeleton (41) is constituted, and the rubber ring (42) has close to the one end on the inner ring (1) surface
There is lips flexible labyrinth type sealing structure, the lips flexible labyrinth type sealing structure includes the body from the rubber ring (42)
First sealing lip (43) and the second sealing lip (44) of protrusion are inclined to the inner ring (1) surface direction；
First sealing lip (43) leans with the madial wall of the annular groove (11), second sealing lip (44) with it is described
The external diameter surface of inner ring (1) leans.
2. there is the sealed rolling bearing of dynamic compensation sealing structure as claimed in claim 1, it is characterised in that the outer ring
(2) circumferential groove (21) relative with the annular groove (11) is offered on inside diameter surface, the rubber ring (42) is described in
One end of the inside diameter surface of outer ring (2) has the sealing installation portion (45) matched with the circumferential groove (21), and the sealing peace
Dress portion (45) is flush-mounted in the circumferential groove (21).
3. there is the sealed rolling bearing of dynamic compensation sealing structure as claimed in claim 2, it is characterised in that described first
Sealing lip (43) and second sealing lip (44) collectively form " people " character form structure.
4. there is the sealed rolling bearing of dynamic compensation sealing structure as claimed in claim 3, it is characterised in that described second
Sealing lip (44) is stretched out by the side of first sealing lip (43) and is formed.
5. the sealed rolling bearing with dynamic compensation sealing structure as described in claim 2 or 4, it is characterised in that described
Thickness of the thickness of the first sealing lip (43) more than second sealing lip (44).
6. there is the sealed rolling bearing of dynamic compensation sealing structure as claimed in claim 5, it is characterised in that the annular
The section of groove (11) is in inverted trapezoidal structure, and the height at the two side edge (12) of the annular groove (11) is different.
7. there is the sealed rolling bearing of dynamic compensation sealing structure as claimed in claim 6, it is characterised in that positioned at outside
The side edge along the height of (12) less than the side edge positioned at inner side along (12).
8. there is the sealed rolling bearing of dynamic compensation sealing structure as claimed in claim 6, it is characterised in that the inner ring
(1) retainer (5) is provided with and the outer ring (2) between, the ball (3) is evenly arranged in described by the retainer (5)
Between circle (1) and the outer ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141871.6U CN206268294U (en) | 2016-10-20 | 2016-10-20 | A kind of sealed rolling bearing with dynamic compensation sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141871.6U CN206268294U (en) | 2016-10-20 | 2016-10-20 | A kind of sealed rolling bearing with dynamic compensation sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206268294U true CN206268294U (en) | 2017-06-20 |
Family
ID=59038027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621141871.6U Expired - Fee Related CN206268294U (en) | 2016-10-20 | 2016-10-20 | A kind of sealed rolling bearing with dynamic compensation sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206268294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483652A (en) * | 2020-10-29 | 2021-03-12 | 一重集团(黑龙江)专项装备科技有限公司 | Wedge compensation type every single move sealing device |
| WO2023015421A1 (en) * | 2021-08-09 | 2023-02-16 | 舍弗勒技术股份两合公司 | Seal assembly for bearing |
-
2016
- 2016-10-20 CN CN201621141871.6U patent/CN206268294U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483652A (en) * | 2020-10-29 | 2021-03-12 | 一重集团(黑龙江)专项装备科技有限公司 | Wedge compensation type every single move sealing device |
| CN112483652B (en) * | 2020-10-29 | 2023-01-31 | 一重集团(黑龙江)专项装备科技有限公司 | Wedge compensation type every single move sealing device |
| WO2023015421A1 (en) * | 2021-08-09 | 2023-02-16 | 舍弗勒技术股份两合公司 | Seal assembly for bearing |
| CN117136281A (en) * | 2021-08-09 | 2023-11-28 | 舍弗勒技术股份两合公司 | Seal assembly for a bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20201020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |