CN207161519U - Full-complement cylinder roller bearing - Google Patents
Full-complement cylinder roller bearing Download PDFInfo
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- CN207161519U CN207161519U CN201721166180.6U CN201721166180U CN207161519U CN 207161519 U CN207161519 U CN 207161519U CN 201721166180 U CN201721166180 U CN 201721166180U CN 207161519 U CN207161519 U CN 207161519U
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Abstract
It the utility model is related to a kind of full-complement cylinder roller bearing, including outer ring, inner ring and at least columna roller being assemblied in the form of full complement between outer ring and inner ring, outer ring axial direction both ends have outer ring shoulder block, axial one end of inner ring is provided with inner ring shoulder block, the axial other end of inner ring is provided with back-up ring, back-up ring is circumferentially continuous ring, installation step is provided with the inner peripheral surface of the inner ring, back-up ring is installed on installation step, jump-ring slot on the radial circumference face of installation step, spacing jump ring is provided with jump-ring slot, the spacing jump ring and the spacing cooperation of back-up ring axial stop.The utility model full-complement cylinder roller bearing is inseparable, has good integrity, has the advantages of easy to assembly, bearing capacity is good.
Description
Technical field
Technical field of bearings is the utility model is related to, is specifically cylinder roller bearing.
Background technology
Full cylinder roller bearing is generally used for that radial load is larger, installing space is limited, ball bearing and common cylinder roller
Bearing can not meet the occasion of requirement.Typically completely cylinder roller bearing is separated type open architecture bearing, and sealed bearings have
Have the advantages that antipollution, anti-dust and simplify main machine structure, and be easily installed and safeguard, household electrical appliances, motor, vehicle, metallurgy,
Each field such as engineering machinery, light industry and machinery is obtained for extensive use.If cylinder roller bearing makes sealed bearings, it is necessary to designs
Into the inseparable release integrated bearing of accessory.
As seen from Figure 1, current most widely used 5 kinds of cylinder roller bearings, by outer ring, inner ring, retainer and set of rollers
Into or outer ring, inner ring, retainer, roller and catch composition.
Following defect be present in existing cylinder roller bearing：
1st, it is not full type roller bearing, the ability for bearing load is not strong enough.
2nd, Bearing fittings are separated, higher to installation requirement, and positioning and pretension are needed in installation process.
3rd, open architecture bearing is belonged to, antipollution, anti-dust ability are weaker, I＆M inconvenience.
The content of the invention
The present utility model purpose：The defects of to overcome prior art to exist, the utility model provide a kind of Internal and external cycle
It is respectively provided with and axially traps structure, full-complement cylinder roller, the cylinder roller bearing of good integrity, there is easy to assembly, bearing capacity
The advantages of good.
To achieve the above object, the utility model provides following technical scheme：
A kind of full-complement cylinder roller bearing, including outer ring, inner ring and outer ring and inner ring are assemblied in the form of full complement
Between at least columna roller, outer ring axial direction both ends have an outer ring shoulder block, and axial one end of inner ring is kept off provided with inner ring
Shoulder, the axial other end of inner ring are provided with back-up ring, and back-up ring is circumferentially continuous ring, it is characterised in that：In the inner periphery of the inner ring
Face is provided with installation step, and back-up ring is installed on installation step, jump-ring slot on the radial circumference face of installation step, is set in jump-ring slot
Limited location jump ring, the spacing jump ring and the spacing cooperation of back-up ring axial stop.
By using above-mentioned technical proposal, set one end of back-up ring that back-up ring installation step, back-up ring installation are set on inner ring
On back-up ring installation step, back-up ring is carried out spacing through jump ring afterwards, avoids back-up ring from being skidded off from back-up ring installation step, the structure
Under, it is easy to assembly, while in the presence of installation step, jump ring so that full-complement cylinder roller bearing is inseparable formula structure
Design；Also there is the advantages of bearing capacity is good, back-up ring is reliable to the axial stop of cylindrical roller.
Preferably, the axial face of back-up ring axial direction one end and installation step contradict coordinate, the axial other end of back-up ring with
Jump ring, which contradicts, to be coordinated.Under the structure design, back-up ring is axial clamping, improves the backstop to cylindrical roller.
Preferably, the first sealing mechanism and the second sealing are respectively arranged at the axial two-port between the outer ring and inner ring
Mechanism.Under the structure design, realize that completely dress roller bearing has sealing property.
Preferably, second sealing mechanism includes the second sealing ring with annular rigid backbone, the second sealing ring it is outer
Footpath is fixedly installed on outer ring, and the internal side diameter of the second sealing ring is provided with the second rubber sealing ring lip, the radial direction of the installation step
There is the sealing fit portion that sealing cooperation is touched for the second rubber sealing ring lipped joint, the sealing fit portion and erecting bed on periphery
Mounting surface on the radial circumference face of rank for back-up ring installation is divided into jump ring both sides, the second rubber sealing ring lip and sealing fit portion
Contact sealing coordinates, and the sealing fit portion is ring surface, and the diameter of the ring surface is less than on installation step for back-up ring installation
Attachment face diameter.Under the structure design, sealing structure is simple, realizes outer low and inner high（Ring surface is less than the installation of back-up ring installation
Face）, on the one hand it is easy to jump ring to load in jump-ring slot, improves sealing property in addition.
Preferably, the cross sectional shape of the second rubber sealing ring sealing lip is the C-shaped of opening outwardly.The structure design
Under, the second rubber sealing ring lip seal bead structure is simple, sealed reliable.
Preferably, first sealing mechanism includes the first sealing ring with ring-type rigid backbone, the first sealing ring it is outer
Footpath is fixedly installed on outer ring, and the internal side diameter of the first sealing ring is provided with the first rubber sealing ring lip, the first rubber sealing ring lip bag
The inner lip arranged successively from the inside to the outside, middle lip and outer lip are included, the outer circumference surface of the inner ring is close provided with annular
Groove is sealed, is respectively outer ring-like face and inner annular face in the axial both sides of annular seal grooves, outer lip seals with outer ring-like face
Coordinate, middle lip contacts sealing with the inner side axial face of annular seal grooves and coordinated, inner lip and inner annular face clearance seal
Coordinate.Under the structure design, there is the advantages of sealed reliable.
Preferably, the diameter in the inner annular face is more than the diameter in outer ring-like face.Under the structure design, realize outer low and inner high
Design, improve sealing property.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the cylinder roller bearing structural representation of existing 5 type；
Fig. 2 is the utility model specific embodiment structural representation；
Fig. 3 is part A partial enlarged view in Fig. 2；
Fig. 4 is part B partial enlarged view in Fig. 2.
Embodiment
Referring to accompanying drawing 2 ~ 4, a kind of full-complement cylinder roller bearing disclosed in the utility model, including outer ring 1, inner ring 2 and
At least columna roller 3 being assemblied in the form of full complement between outer ring 1 and inner ring 2, the 1 axial both ends of outer ring have
Outer ring shoulder block 11, axial one end of inner ring 2 are provided with inner ring shoulder block 21, and the axial other end of inner ring 2 is provided with back-up ring 22, and back-up ring 22 is
Circumferentially continuous ring, installation step 23 being provided with the inner peripheral surface of the inner ring 2, back-up ring 22 is installed on installation step 23,
Jump-ring slot 231 on the radial circumference face of installation step 23, is provided with spacing jump ring 24 in jump-ring slot 231, the spacing jump ring 24 and
The spacing cooperation of the axial stop of back-up ring 22.Set one end of back-up ring that back-up ring installation step is set on inner ring, back-up ring is arranged on back-up ring
On installation step, back-up ring is carried out spacing through jump ring afterwards, avoids back-up ring from being skidded off from back-up ring installation step, under the structure, assembling
It is convenient, while in the presence of installation step, jump ring so that full-complement cylinder roller bearing is inseparable formula structure design；Also
With bearing capacity it is good the advantages of, back-up ring is reliable to the axial stop of cylindrical roller.Described 22 axial one end of back-up ring and erecting bed
The axial face 232 of rank 23, which contradicts, to be coordinated, and the axial other end of back-up ring 22 contradicts with jump ring 24 to be coordinated.Back-up ring is axial clamping, is carried
The high backstop to cylindrical roller.
To realize the sealing of bearing, the first sealing is respectively arranged at the axial two-port between the outer ring 1 and inner ring 2
The sealing mechanism 4 of mechanism 5 and second.
Wherein, second sealing mechanism 4 includes the second sealing ring 41 with annular rigid backbone 411, the second sealing ring
41 external diameter is fixedly installed on outer ring 1, and the internal side diameter of the second sealing ring 41 is provided with the second rubber sealing ring lip 412, the peace
Filling has the sealing fit portion coordinated for the contact sealing of the second rubber sealing ring lip 412 on the radial circumference face of step 23, this is close
The mounting surface 233 installed on envelope auxiliary section and the radial circumference face of installation step 23 for back-up ring 22 is divided into the both sides of jump ring 24,
Second rubber sealing ring lip 412 contacts sealing with sealing fit portion and coordinated, and the sealing fit portion is ring surface 234, the annular
The diameter in face 234 is less than the diameter of mounting surface 233 installed on installation step 23 for back-up ring 22.Sealing structure is simple, realizes outer low
Interior height（Ring surface is less than the mounting surface of back-up ring installation）, on the one hand it is easy to jump ring to load in jump-ring slot, improves sealing property in addition.
The cross sectional shape of the second rubber sealing ring sealing lip 412 is the C-shaped of opening outwardly.Second rubber sealing ring lip
Structure of sealing lip is simple, sealed reliable.
First sealing mechanism 5 includes the first sealing ring 51 with ring-type rigid backbone 511, the first sealing ring 51 it is outer
Footpath is fixedly installed on outer ring 1, and the internal side diameter of the first sealing ring 51 is provided with the first rubber sealing ring lip, the first rubber sealing ring lip
Including the inner lip 514, middle lip 513 and outer lip 512 arranged successively from the inside to the outside, the outer circumference surface of the inner ring 2
Annular seal grooves 25 are provided with, are respectively outer ring-like face 26 and inner annular face 27 in the axial both sides of annular seal grooves 25,
Outer lip 512 coordinates with the sealing of outer ring-like face 26, and middle lip 513 contacts with the inner side axial face 251 of annular seal grooves 25
Sealing coordinates, and inner lip 514 coordinates with the clearance seal of inner annular face 27.The diameter in the inner annular face 27 is more than outer ring-like face 26
Diameter.Outer low and inner high design is realized, improves sealing property.
Above example is merely to illustrate the utility model and is used, and is not that the scope of protection of the utility model is limited,
All equivalent technical schemes are each fallen within the scope of protection of the utility model.
Claims (7)
1. a kind of full-complement cylinder roller bearing, including outer ring, inner ring and be assemblied in the form of full complement outer ring and inner ring it
Between at least columna roller, outer ring axial direction both ends have outer ring shoulder block, and axial one end of inner ring is provided with inner ring shoulder block,
The axial other end of inner ring is provided with back-up ring, and back-up ring is circumferentially continuous ring, it is characterised in that：On the inner peripheral surface of the inner ring
Provided with installation step, back-up ring is installed on installation step, jump-ring slot on the radial circumference face of installation step, and limit is provided with jump-ring slot
Position jump ring, the spacing jump ring and the spacing cooperation of back-up ring axial stop.
2. full-complement cylinder roller bearing according to claim 1, it is characterised in that：Back-up ring axial direction one end and installation step
Axial face contradict and coordinate, the axial other end of back-up ring contradicts with jump ring to be coordinated.
3. full-complement cylinder roller bearing according to claim 1 or claim 2, it is characterised in that：Axle between the outer ring and inner ring
The first sealing mechanism and the second sealing mechanism are respectively arranged to two-port.
4. full-complement cylinder roller bearing according to claim 3, it is characterised in that：Second sealing mechanism includes band annular
Second sealing ring of rigid backbone, the external diameter of the second sealing ring are fixedly installed on outer ring, and the internal side diameter of the second sealing ring is provided with
Second rubber sealing ring lip, have on the radial circumference face of the installation step and touch sealing for the second rubber sealing ring lipped joint and coordinate
Sealing fit portion, the mounting surface on the radial circumference face of the sealing fit portion and installation step for back-up ring installation is divided into card
Spring both sides, the second rubber sealing ring lip contact sealing with sealing fit portion and coordinated, and the sealing fit portion is ring surface, the annular
The diameter in face is less than on installation step for the attachment face diameter of back-up ring installation.
5. full-complement cylinder roller bearing according to claim 4, it is characterised in that：The second rubber sealing ring sealing lip
Cross sectional shape is the C-shaped of opening outwardly.
6. full-complement cylinder roller bearing according to claim 3, it is characterised in that：First sealing mechanism includes band ring-type
First sealing ring of rigid backbone, the external diameter of the first sealing ring are fixedly installed on outer ring, and the internal side diameter of the first sealing ring is provided with
First rubber sealing ring lip, inner lip that the first rubber sealing ring lip includes arranging successively from the inside to the outside, middle lip and outer
Lip, the outer circumference surface of the inner ring are provided with annular seal grooves, are respectively outer shroud in the axial both sides of annular seal grooves
Shape face and inner annular face, outer lip coordinate with the sealing of outer ring-like face, and the inner side axial face of middle lip and annular seal grooves connects
Touch sealing to coordinate, inner lip coordinates with inner annular face clearance seal.
7. full-complement cylinder roller bearing according to claim 6, it is characterised in that：The diameter in the inner annular face is more than outer shroud
The diameter in shape face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721166180.6U CN207161519U (en) | 2017-09-12 | 2017-09-12 | Full-complement cylinder roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721166180.6U CN207161519U (en) | 2017-09-12 | 2017-09-12 | Full-complement cylinder roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161519U true CN207161519U (en) | 2018-03-30 |
Family
ID=61721484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721166180.6U Active CN207161519U (en) | 2017-09-12 | 2017-09-12 | Full-complement cylinder roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389811A (en) * | 2021-07-27 | 2021-09-14 | 汉思萨尔(上海)滚动轴承贸易有限公司 | Inseparable cylindrical roller bearing with seal |
| CN113464560A (en) * | 2021-07-20 | 2021-10-01 | 人本股份有限公司 | Cylindrical roller bearing |
-
2017
- 2017-09-12 CN CN201721166180.6U patent/CN207161519U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464560A (en) * | 2021-07-20 | 2021-10-01 | 人本股份有限公司 | Cylindrical roller bearing |
| CN113389811A (en) * | 2021-07-27 | 2021-09-14 | 汉思萨尔(上海)滚动轴承贸易有限公司 | Inseparable cylindrical roller bearing with seal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 SANDUO 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 SANDUO BEARING CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |