CN210715569U - Light-duty durability rear hub bearing unit - Google Patents
Light-duty durability rear hub bearing unit Download PDFInfo
- Publication number
- CN210715569U CN210715569U CN201921656345.7U CN201921656345U CN210715569U CN 210715569 U CN210715569 U CN 210715569U CN 201921656345 U CN201921656345 U CN 201921656345U CN 210715569 U CN210715569 U CN 210715569U
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- bearing
- wall
- ring
- light
- bearing inner
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Abstract
The utility model discloses a light-duty durability rear wheel hub bearing unit, including the bearing inner race, the left side on bearing inner race surface is provided with first flange portion to the opposite side on bearing inner race surface is provided with second flange portion, the inner wall of bearing inner race and the left side formation installation cavity of second flange portion to the arc wall has been seted up to the inner wall of bearing inner race, the inside of bearing inner race is provided with the bearing inner circle, the utility model relates to a wheel hub bearing unit technical field. This light-duty durability rear wheel hub bearing unit, the left side through the inner wall of bearing inner race and second flange portion forms the installation cavity, and the arc wall has been seted up to the inner wall of bearing inner race, and the inside of bearing inner race is provided with the bearing inner race, and the inside that just is located the arc wall between the inner wall of bearing inner race and the surface of bearing inner race is provided with the cylindricality roller, retrencies the assembly part and connects compacter, easily production, assembly and maintenance prevent that the axial from leaping up and move, improve the durability of bearing unit.
Description
Technical Field
The utility model relates to a wheel hub bearing unit technical field specifically is a light-duty durability rear wheel hub bearing unit.
Background
The hub bearing mainly has the functions of bearing and providing accurate guide for the rotation of a hub, bears axial load and radial load, and is a very important part, the traditional bearing for the automobile wheel is formed by combining two sets of tapered roller bearings or ball bearings, the installation, oiling, sealing and clearance adjustment of the bearing are all carried out on an automobile production line, a hub bearing unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, the two sets of bearings are taken as a whole, and the hub bearing is widely used in cars and has a tendency of gradually expanding application in trucks.
In the prior art, the automobile hub bearing unit is not firm in axial limiting of an inner ring, axial leaping is easy to occur, assembling parts are more, assembling operation requirements are high, and maintenance operation is difficult, so that the light durable rear hub bearing unit which is simple in structure and convenient to assemble and maintain is provided.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model provides a hub bearing unit behind light-duty durability has solved prior art, and hub bearing unit is spacing insecure to the inner circle axial, and the axial leaps up and moves easily appears, and assembly spare part is more, and assembly operation requires highly, maintains the difficult problem of operation.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a light durable rear hub bearing unit comprises a bearing outer ring, wherein a first flange part is arranged on the left side of the surface of the bearing outer ring, a second flange part is arranged on the other side of the surface of the bearing outer ring, an installation cavity is formed by the inner wall of the bearing outer ring and the left side of the second flange part, an arc-shaped groove is formed in the inner wall of the bearing outer ring, a bearing inner ring is arranged inside the bearing outer ring, a cylindrical roller is arranged between the inner wall of the bearing outer ring and the surface of the bearing inner ring and located inside the arc-shaped groove, a first annular groove is formed in the left side of the second flange part and located inside the installation cavity, first balls are arranged inside the first annular groove and limited by a retainer, a seal ring is connected to the left side of the inner wall of the bearing outer ring in a threaded manner, a second annular groove is formed in the right side of the seal ring, and second, and the second ball is limited by a retainer, and one side of the surface of the first ball and one side of the surface of the second ball are respectively contacted with two end surfaces of the bearing inner ring.
Preferably, the left side of the inner wall of the bearing outer ring is provided with an internal thread, and the left side of the surface of the seal ring is provided with an external thread matched with the internal thread.
Preferably, the right side of the surface of the seal ring is provided with a seal groove, and a seal ring is arranged in the seal groove.
Preferably, first fixed orifices have all been seted up around the inside of first flange portion to second fixed orifices have all been seted up around the inside of second flange portion.
Preferably, the arc-shaped grooves are uniformly distributed along the inner wall of the bearing outer ring at equal intervals, and the depths of the first annular groove and the second annular groove do not exceed the diameters of the first ball and the second ball.
Preferably, the inner wall of the bearing inner ring is provided with connecting shaft transverse grains.
Advantageous effects
The utility model provides a light-duty durability rear wheel hub bearing unit. Compared with the prior art, the method has the following beneficial effects:
(1) the light durable rear hub bearing unit is characterized in that a mounting cavity is formed by the inner wall of a bearing outer ring and the left side of a second flange part, an arc-shaped groove is formed in the inner wall of the bearing outer ring, a bearing inner ring is arranged in the bearing outer ring, a cylindrical roller is arranged between the inner wall of the bearing outer ring and the surface of the bearing inner ring and in the arc-shaped groove, a first annular groove is formed in the left side of the second flange part and in the mounting cavity, first balls are arranged in the first annular groove and limited by a retainer, a seal ring is connected to the left side of the inner wall of the bearing outer ring in a threaded manner, a second annular groove is formed in the right side of the seal ring, second balls are arranged in the second annular groove and limited by the retainer, one side of the surfaces of the first balls and one side of the surfaces of the second balls are respectively contacted with two end, the bearing unit is simple and compact in connection, easy to produce, assemble and maintain, capable of effectively preventing axial leaping and capable of improving durability of the bearing unit.
(2) This wheel hub bearing unit behind light-duty durability, the left side through bearing inner race inner wall is seted up there is the internal thread, and seal the ring surface the left side offer with the external screw thread of internal thread looks adaptation, the seal groove has been seted up on the right side on seal ring surface, and the inside of seal groove is provided with the sealing washer, first fixed orifices has all been seted up all around to the inside of first flange portion, and the second fixed orifices has all been seted up all around to the inside of second flange portion, the inner wall equidistance evenly distributed of bearing inner race is followed to the arc wall, and the degree of depth of first ring channel and second ring channel all does not exceed the diameter of first ball and second ball, the inner wall of bearing inner circle is provided with even cross striation, accessible seal ring screws up when wearing and tearing make the axial clearance grow.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a side sectional view of the structure of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1-bearing outer ring, 2-first flange part, 3-second flange part, 4-arc groove, 5-bearing inner ring, 6-cylindrical roller, 7-first annular groove, 8-first ball, 9-seal ring, 10-second annular groove, 11-second ball, 12-internal thread, 13-external thread, 14-seal groove, 15-seal ring, 16-first fixed hole, 17-second fixed hole and 18-connecting shaft cross grain.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a light-duty durable rear wheel hub bearing unit comprises a bearing outer ring 1, a first flange part 2 is arranged on the left side of the surface of the bearing outer ring 1, a second flange part 3 is arranged on the other side of the surface of the bearing outer ring 1, the first flange part 2, the second flange part 3 and the bearing outer ring 1 are integrally formed, the light-duty durable rear wheel hub bearing unit is cast by light high-strength steel, the light-duty durable rear wheel hub bearing unit is light in weight and simple in manufacturing process, an installation cavity formed by the second flange part 2 and the bearing outer ring 1 provides extremely strong one-side axial support, an internal thread 12 is arranged on the left side of the inner wall of the bearing outer ring 1, an external thread 13 matched with the internal thread 12 is arranged on the left side of the surface of a seal ring 9, first fixing holes 16 are formed on the periphery inside the first flange part 2, second fixing holes 17 are formed on the periphery inside the second flange part 3, an, the inner wall of the bearing outer ring 1 is provided with an arc-shaped groove 4, the arc-shaped grooves 4 are uniformly distributed along the inner wall of the bearing outer ring 1 at equal intervals, the depths of a first annular groove 7 and a second annular groove 10 do not exceed the diameters of a first ball 8 and a second ball 11, a bearing inner ring 5 is arranged inside the bearing outer ring 1, the assembly operation of parts is not difficult, the requirement is low, and the convenience of assembly and maintenance is realized, the inner wall of the bearing inner ring 5 is provided with a connecting shaft transverse grain 18, a cylindrical roller 6 is arranged between the inner wall of the bearing outer ring 1 and the surface of the bearing inner ring 5 and positioned inside the arc-shaped groove 4, the left side of the second flange part 3 and positioned inside the installation cavity is provided with the first annular groove 7, the first ball 8 is arranged inside the first annular groove 7, the first ball 8 is limited by a retainer, the left side of the inner wall of the bearing outer ring 1 is in threaded connection, a sealing ring 15 is arranged inside the sealing groove 14, a second annular groove 10 is formed in the right side of the sealing ring 9, second balls 11 are arranged inside the second annular groove 10, the second balls 11 are limited by a retainer, one sides of the surfaces of the first balls 8 and the second balls 11 are respectively in contact with two end faces of the bearing inner ring 5, the first balls 8 and the second balls 11 enable the end faces of the bearing inner ring 5 to form rolling friction, the axial displacement is prevented, and meanwhile, the friction force is reduced, and the content which is not described in detail in the specification belongs to the prior art which is well known by the person skilled in the art.
During the use, put into first ring channel 7 with first ball 8, put into bearing inner race 1 inside with bearing inner race 5 again, insert cylindricality roller 6 in arc wall 4, accomplish the relative positioning of bearing inner race 5 and cylindricality roller 6, place second ball 11 at bearing inner race 5 left end face, rethread instrument spiro union seal ring 9 compresses tightly, realize the assembly of bearing unit, by the butt relation with first ball 8 and second ball 11, bearing inner race 5 can't control in bearing outer race 1 and leap up the move, overall structure compares current bearing unit more succinct, easily production, install and remove and maintain.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a light-duty durability rear wheel hub bearing unit, includes bearing inner race (1), the left side on bearing inner race (1) surface is provided with first flange portion (2) to the opposite side on bearing inner race (1) surface is provided with second flange portion (3), its characterized in that: the inner wall of the bearing outer ring (1) and the left side of the second flange part (3) form an installation cavity, an arc-shaped groove (4) is formed in the inner wall of the bearing outer ring (1), a bearing inner ring (5) is arranged in the bearing outer ring (1), a cylindrical roller (6) is arranged between the inner wall of the bearing outer ring (1) and the surface of the bearing inner ring (5) and is positioned in the arc-shaped groove (4), a first annular groove (7) is formed in the left side of the second flange part (3) and is positioned in the installation cavity, first balls (8) are arranged in the first annular groove (7), the first balls (8) are limited by a retainer, a seal ring (9) is connected to the left side of the inner wall of the bearing outer ring (1) in a threaded manner, a second annular groove (10) is formed in the right side of the seal ring (9), and second balls (11) are arranged in the second annular groove (10, and the second ball (11) is limited by a retainer, and one side of the surface of the first ball (8) and one side of the surface of the second ball (11) are respectively contacted with two end surfaces of the bearing inner ring (5).
2. A light-weight durable rear hub bearing unit according to claim 1, wherein: an internal thread (12) is formed in the left side of the inner wall of the bearing outer ring (1), and an external thread (13) matched with the internal thread (12) is formed in the left side of the surface of the seal ring (9).
3. A light-weight durable rear hub bearing unit according to claim 1, wherein: a sealing groove (14) is formed in the right side of the surface of the sealing ring (9), and a sealing ring (15) is arranged inside the sealing groove (14).
4. A light-weight durable rear hub bearing unit according to claim 1, wherein: first fixed orifices (16) have all been seted up around first flange portion (2) inside to second fixed orifices (17) have all been seted up around second flange portion (3) inside.
5. A light-weight durable rear hub bearing unit according to claim 1, wherein: the arc-shaped groove (4) is uniformly distributed along the inner wall of the bearing outer ring (1) at equal intervals, and the depths of the first annular groove (7) and the second annular groove (10) do not exceed the diameters of the first ball (8) and the second ball (11).
6. A light-weight durable rear hub bearing unit according to claim 1, wherein: and the inner wall of the bearing inner ring (5) is provided with connecting shaft transverse grains (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656345.7U CN210715569U (en) | 2019-09-30 | 2019-09-30 | Light-duty durability rear hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656345.7U CN210715569U (en) | 2019-09-30 | 2019-09-30 | Light-duty durability rear hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715569U true CN210715569U (en) | 2020-06-09 |
Family
ID=70930306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921656345.7U Expired - Fee Related CN210715569U (en) | 2019-09-30 | 2019-09-30 | Light-duty durability rear hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715569U (en) |
-
2019
- 2019-09-30 CN CN201921656345.7U patent/CN210715569U/en not_active Expired - Fee Related
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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: 20200609 Termination date: 20210930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |