CN214698850U - Automobile wheel hub unit of simple and easy installation - Google Patents
Automobile wheel hub unit of simple and easy installation Download PDFInfo
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- CN214698850U CN214698850U CN202121369564.4U CN202121369564U CN214698850U CN 214698850 U CN214698850 U CN 214698850U CN 202121369564 U CN202121369564 U CN 202121369564U CN 214698850 U CN214698850 U CN 214698850U
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- annular clamping
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- clamping groove
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Abstract
The utility model provides an automobile wheel hub unit of simple and easy installation, including the axis, centraxonial one end sets firmly the ring flange, centraxonial periphery from interior to exterior cup joints inner circle and outer lane in order, press from both sides between inner circle and the outer lane and establish the rolling subassembly, the ring flange is leaned on in the one end top of inner circle and outer lane, the ring gear is established to the last pressure of the other end, the ring gear cup joints in the axis periphery and forms clearance fit, the retaining ring is leaned on in the outside top of ring gear, the retaining ring cover connects in the axis periphery, annular clamping groove is established to the axial periphery wall indent, protruding annular card edge of establishing on the internal perisporium of retaining ring, the annular card forms the gomphosis joint in the embedding annular clamping groove. The utility model discloses a ring gear and axis clearance fit to need not worry magnitude of interference problem, caused the fracture phenomenon after having avoided the ring gear installation. The installation improvement of retaining ring is draw-in groove cooperation structure to utilize the retaining ring to carry out spacing fixed to the ring gear. The structure does not need a die to simplify assembly, greatly improves the production efficiency, saves the cost and also improves the product quality.
Description
Technical Field
The utility model belongs to the technical field of machinery, a auto-parts is related to, especially an automobile wheel hub unit of simple and easy installation.
Background
In the automotive construction, the hub unit functions to connect the transmission structure with the wheel. Therefore, the requirements on the transmission reliability and the precision of the automobile are extremely strict, and meanwhile, the hub unit is guaranteed to have a longer service life, so that the safe running of the automobile can be guaranteed.
The existing automobile hub bearing and the gear ring are generally in interference fit, and the gear ring is fixed by pressing a check ring on the gear ring. If the interference fit amount of the bearing and the gear ring is too large, the gear ring is easy to crack and scrap, and a die is needed to be installed, so that the traditional assembling mode is time-consuming and labor-consuming, and the assembling cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided one kind and adopted ring gear and axle clearance fit, be convenient for install and ensure the automobile wheel hub unit of the simple and easy installation of ring gear intensity.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides an automobile wheel hub unit of simple and easy installation, includes the axis, centraxonial one end sets firmly the ring flange, centraxonial periphery cup joints inner circle and outer lane in order from interior to exterior, press from both sides between inner circle and the outer lane and establish the roll subassembly, the one end top of inner circle and outer lane is leaned on the ring flange, presses on the other end and establishes the ring gear, the ring gear cup joint in the axis periphery forms clearance fit, the outside top of ring gear leans on the retaining ring, the retaining ring cup connect in the axis periphery, annular clamping groove is established to centraxonial periphery wall upper concave, protruding annular card edge of establishing on the internal perisporium of retaining ring, the embedding of annular card edge forms the gomphosis joint in the annular clamping groove.
In this automobile wheel hub unit of simple and easy installation, must control ring gear mounting dimension and centraxonial tolerance, can not too big in the clearance between ring gear and the axis, and too big causes the ring gear to rock and signal distortion, so must accurately hold retaining ring mounting dimension and centraxonial cooperation size.
In the automobile hub unit which is easy to install, the clearance fit range of the gear ring and the middle shaft is 0.02-0.08 mm.
In the automobile hub unit which is easy to install, the cross section of the annular clamping groove is an inverted trapezoidal groove, the cross section of the annular clamping edge is an inverted trapezoidal bump, the length of the cross section of the annular clamping edge is smaller than that of the cross section of the annular clamping groove, the height of the cross section of the annular clamping edge is smaller than that of the cross section of the annular clamping groove, and the cross section area of the annular clamping edge is smaller than that of the annular clamping groove.
In the automobile hub unit which is simply installed, the section length of the annular clamping groove is 8.6mm, and the section depth of the annular clamping groove is 0.8 mm; the section length of the annular clamping edge is 3.8mm, and the section height of the annular clamping edge is 0.32 mm.
In the automobile wheel hub unit of foretell simple and easy installation, set up the chamfer on the both sides port of retaining ring internal perisporium, set up the chamfer on the both sides port of retaining ring periphery wall.
In the automobile hub unit which is easy to install, the rolling assembly comprises a retainer positioned between the inner ring and the outer ring, and the retainer is rotatably hinged with a plurality of rollers.
In foretell automobile wheel hub unit of simple and easy installation, the both ends of the annular space between outer lane and the inner circle are sealed shutoff, and the outer end sets up seal assembly, and the inner sets up seal assembly and protective cover.
In the automobile wheel hub unit of foretell simple and easy installation, protruding installation department of establishing on the periphery wall of outer lane, set up mounting hole one on the installation department, cross-under repair package bolt in the mounting hole one.
In the automobile wheel hub unit of foretell simple and easy installation, cup joint O type sealing washer on the periphery wall of outer lane.
In the automobile hub unit which is easy to install, the flange plate is provided with a plurality of second mounting holes, and mounting bolts penetrate through the second mounting holes.
Compared with the prior art, this automobile wheel hub unit of simple and easy installation has following advantage:
through gear ring and axis clearance fit to need not worry the magnitude of interference problem, avoided the gear ring to cause the fracture phenomenon after the installation. The installation improvement of retaining ring is draw-in groove cooperation structure to utilize the retaining ring to carry out spacing fixed to the ring gear. The structure does not need a die to simplify assembly, greatly improves the production efficiency, saves the cost and also improves the product quality.
Drawings
Fig. 1 is an overall sectional view of the simply mounted automobile hub unit.
Fig. 2 is a partially enlarged view of the simply mounted automobile hub unit.
In the figure, 1, the middle axis; 1a, a ring-shaped clamping groove; 2. a flange plate; 3. an inner ring; 4. an outer ring; 5. a ring gear; 6. a retainer ring; 6a, an annular clamping edge; 7. a holder; 8. a roller; 9. a seal assembly; 10. a protective cover; 11. an O-shaped sealing ring; 12. repairing the bolt; 13. and (6) installing a bolt.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, this automobile wheel hub unit of simple installation, including axis 1, axis 1's one end sets firmly ring flange 2, axis 1's periphery from interior to exterior cup joints inner circle 3 and outer lane 4 in order, press from both sides between inner circle 3 and the outer lane 4 and establish the roll subassembly, ring flange 2 is leaned on in the one end top of inner circle 3 and outer lane 4, press on the other end and establish ring gear 5, ring gear 5 cup joints in axis 1 periphery and forms clearance fit, ring gear 5's outside top is leaned on retaining ring 6, retaining ring 6 cup joints in axis 1 periphery, annular clamping groove 1a is established to the concavity on axis 1's the periphery wall, annular clamping edge 6a is established to the internal perisporium epirelief of retaining ring 6, annular clamping edge 6a imbeds annular clamping in the annular clamping groove 1a and forms the gomphosis joint.
In this automobile wheel hub unit of simple and easy installation, must control ring gear 5 mounting dimension and axis 1's tolerance, can not too big in the clearance between ring gear 5 and the axis 1, too big causes ring gear 5 to rock and signal distortion, so must accurately hold retaining ring 6 mounting dimension and axis 1's cooperation size.
The clearance fit range of the gear ring 5 and the middle shaft 1 is 0.02-0.08 mm.
The cross section of the ring-shaped clamping groove 1a is an inverted trapezoidal groove, the cross section of the ring-shaped clamping edge 6a is an inverted trapezoidal bump, the length of the cross section of the ring-shaped clamping edge 6a is smaller than that of the ring-shaped clamping groove 1a, the height of the cross section of the ring-shaped clamping edge 6a is smaller than that of the cross section of the ring-shaped clamping groove 1a, and the cross section area of the ring-shaped clamping edge 6a is smaller than that of the ring-shaped clamping groove 1 a.
The section length of the annular clamping groove 1a is 8.6mm, and the section depth of the annular clamping groove 1a is 0.8 mm; the length of the section of the annular clamping edge 6a is 3.8mm, and the height of the section of the annular clamping edge 6a is 0.32 mm.
Set up the chamfer on the both sides port of retaining ring 6 internal perisporium, set up the chamfer on the both sides port of retaining ring 6 periphery wall.
The rolling assembly comprises a retainer 7 positioned between the inner ring 3 and the outer ring 4, and a plurality of rollers 8 are rotatably hinged on the retainer 7.
The both ends of the annular space between outer lane 4 and inner circle 3 are sealed shutoff, and the outer end sets up seal assembly 9, and the inner sets up seal assembly 9 and protective cover 10.
The outer peripheral wall of the outer ring 4 is convexly provided with a mounting part, a first mounting hole is formed in the mounting part, and the first mounting hole is internally connected with a repairing bolt 12 in a penetrating mode.
An O-shaped sealing ring 11 is sleeved on the peripheral wall of the outer ring 4.
The flange plate 2 is provided with a plurality of second mounting holes, and mounting bolts 13 penetrate through the second mounting holes.
Compared with the prior art, this automobile wheel hub unit of simple and easy installation has following advantage:
through gear ring 5 and axis 1 clearance fit to need not worry the magnitude of interference problem, avoided gear ring 5 to cause the fracture phenomenon after the installation. The installation improvement of retaining ring 6 is draw-in groove cooperation structure to utilize retaining ring 6 to carry out spacing fixed to ring gear 5. The structure does not need a die to simplify assembly, greatly improves the production efficiency, saves the cost and also improves the product quality.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the central axis 1 is used more herein; a ring-shaped card slot 1 a; a flange plate 2; an inner ring 3; an outer ring 4; a ring gear 5; a retainer ring 6; an annular rim 6 a; a holder 7; a roller 8; a seal assembly 9; a protective cover 10; an O-shaped seal ring 11; repairing the bolt 12; mounting bolts 13, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides an automobile wheel hub unit of simple and easy installation, includes the axis, centraxonial one end sets firmly the ring flange, centraxonial periphery cup joints inner circle and outer lane in order from interior to exterior, press from both sides between inner circle and the outer lane and establish the roll subassembly, its characterized in that, the one end top of inner circle and outer lane is leaned on the ring flange, and the ring gear is established to the last pressure of the other end, the ring gear cup joint in the centraxonial periphery forms clearance fit, the outside top of ring gear is leaned on the retaining ring, the retaining ring cup connect in the centraxonial periphery, annular clamping groove is established to the recess on centraxonial periphery wall, protruding annular card edge of establishing on the internal perisporium of retaining ring, the embedding of annular card edge forms the gomphosis joint in the annular clamping groove.
2. The simply-installed automobile hub unit according to claim 1, wherein the clearance fit range of the gear ring and the middle shaft is 0.02-0.08 mm.
3. The simply-installed automobile hub unit according to claim 1, wherein the cross section of the annular clamping groove is an inverted trapezoidal groove, the cross section of the annular clamping edge is an inverted trapezoidal bump, the cross section length of the annular clamping edge is smaller than that of the annular clamping groove, the cross section height of the annular clamping edge is smaller than that of the annular clamping groove, and the cross section area of the annular clamping edge is smaller than that of the annular clamping groove.
4. The simply installed automobile hub unit according to claim 1, wherein the cross-sectional length of the annular clamping groove is 8.6mm, and the cross-sectional depth of the annular clamping groove is 0.8 mm; the section length of the annular clamping edge is 3.8mm, and the section height of the annular clamping edge is 0.32 mm.
5. The automobile hub unit easy to mount according to claim 1, wherein chamfers are arranged on ports on two sides of the inner peripheral wall of the retainer ring, and chamfers are arranged on ports on two sides of the outer peripheral wall of the retainer ring.
6. The simply-installed automobile hub unit according to claim 1, wherein the rolling assembly includes a cage located between the inner ring and the outer ring, and the cage is rotatably hinged with a plurality of rollers.
7. The simply-installed automobile hub unit according to claim 1, wherein two ends of an annular gap between the outer ring and the inner ring are sealed and plugged, a sealing component is arranged at the outer end, and a sealing component and a protective cover are arranged at the inner end.
8. The automobile hub unit easy to mount according to claim 1, wherein a mounting portion is convexly arranged on the outer peripheral wall of the outer ring, a first mounting hole is formed in the mounting portion, and a first repairing bolt penetrates through the first mounting hole.
9. The simply-installed automobile hub unit according to claim 1, wherein an O-shaped sealing ring is sleeved on the outer peripheral wall of the outer ring.
10. The simply-installed automobile hub unit according to claim 1, wherein the flange plate is provided with a plurality of second mounting holes, and mounting bolts penetrate through the second mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121369564.4U CN214698850U (en) | 2021-06-18 | 2021-06-18 | Automobile wheel hub unit of simple and easy installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121369564.4U CN214698850U (en) | 2021-06-18 | 2021-06-18 | Automobile wheel hub unit of simple and easy installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214698850U true CN214698850U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121369564.4U Active CN214698850U (en) | 2021-06-18 | 2021-06-18 | Automobile wheel hub unit of simple and easy installation |
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| Country | Link |
|---|---|
| CN (1) | CN214698850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412917A (en) * | 2022-01-19 | 2022-04-29 | 山东朝阳轴承有限公司 | Wheel hub bearing |
-
2021
- 2021-06-18 CN CN202121369564.4U patent/CN214698850U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412917A (en) * | 2022-01-19 | 2022-04-29 | 山东朝阳轴承有限公司 | Wheel hub bearing |
| CN114412917B (en) * | 2022-01-19 | 2024-04-02 | 山东朝阳轴承有限公司 | Hub bearing |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314400 No.9, Liuping Road, Jianshan New District, Haining City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang jinshai Precision Technology Co.,Ltd. Address before: 314400 No.9, Liuping Road, Jianshan New District, Haining City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG JINSAI PRECISION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |