CN216374505U - Brake assembly of non-driving wheel and automobile - Google Patents
Brake assembly of non-driving wheel and automobile Download PDFInfo
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- CN216374505U CN216374505U CN202122982335.6U CN202122982335U CN216374505U CN 216374505 U CN216374505 U CN 216374505U CN 202122982335 U CN202122982335 U CN 202122982335U CN 216374505 U CN216374505 U CN 216374505U
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- 239000000725 suspension Substances 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model provides a brake assembly of a non-driving wheel and an automobile, and relates to the field of brake assemblies. The brake assembly of the non-driving wheel comprises a hub mandrel, a hub bearing, a brake disc and calipers, wherein the brake disc is sleeved on the hub mandrel, and the hub bearing is arranged between the brake disc and the hub mandrel; a core shaft fastener is detachably connected between the hub core shaft and the middle part of the hub bearing, a bearing flange plate is arranged on the hub bearing, a brake disc is arranged on the inner side of the bearing flange plate, and a brake disc fastener is detachably connected between the brake disc and the bearing flange plate; the brake disc comprises a brake working surface and a disc cap which are fixedly connected, the axis direction of the disc cap is overlapped with the axis direction of the hub mandrel, and the disc cap is positioned between the brake working surface and the bearing flange plate. The brake disc is located the inboard of bearing flange dish, has avoided wheel hub bearing to interfere with other parts, need not to dismantle braking part and suspension part and can change wheel hub bearing, has reduced the operation degree of difficulty, has improved and has traded a efficiency.
Description
Technical Field
The utility model relates to the technical field of brake assemblies, in particular to a brake assembly of a non-driving wheel and an automobile.
Background
The disc brake has the characteristics of good braking stability and strong heat dissipation capability, and is widely applied to cars. Usually, a front-wheel drive design is adopted for a vehicle, a brake assembly (usually referred to as a rear wheel brake assembly) of a non-driving wheel comprises a hub bearing, a brake disc, a caliper, a brake disc dust cover and the like, and the number of parts is large, and the assembly, disassembly and replacement of a worn part are difficult.
The rear brake assembly comprises a rear brake disc, a rear hub bearing, a rear steering knuckle, a rear caliper and a rear dust cover, wherein the rear brake disc is fixedly connected to the rear hub bearing; the rear brake disc is provided with a connecting hole, a connecting stud is arranged on the surface of the rear hub bearing, and the connecting hole is connected with the connecting stud in a matching mode, so that the rear brake disc is fixed on the rear hub bearing, and the rear brake disc rotates along with the rear wheel bearing.
The rear brake assembly of the automobile in the prior art adopts the design that a rear brake disc is arranged on the outer side of a rear hub bearing, namely, the brake disc is close to the spoke position of a hub, and the hub bearing is a loss part, so that the hub bearing can be replaced only by detaching the rear brake disc when needing to be replaced, and the replacement difficulty is large when more parts are detached; moreover, the caliper itself has a large space, making it difficult to design and arrange on a small-sized hub.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a brake assembly for a non-driving wheel and an automobile, which can solve the problems that when a hub bearing is replaced, the hub bearing can be replaced only by detaching a brake disc, and the replacement difficulty is high when many parts are detached; moreover, the caliper occupies a large space, and the design and arrangement on a hub with a small specification are difficult.
The technical scheme of the brake assembly of the non-driving wheel is as follows:
the brake assembly of the non-driving wheel comprises a hub mandrel, a hub bearing, a brake disc and calipers, wherein the brake disc is sleeved on the hub mandrel, the hub bearing is arranged between the brake disc and the hub mandrel, and the calipers are arranged outside the brake disc;
a core shaft fastener is detachably connected between the hub core shaft and the middle part of the hub bearing, a bearing flange plate is arranged on the hub bearing, the brake disc is arranged on the inner side of the bearing flange plate, and a brake disc fastener is detachably connected between the brake disc and the bearing flange plate;
the brake disc comprises a brake working surface and a disc cap which are fixedly connected, the axis direction of the disc cap is overlapped with the axis direction of the hub mandrel, and the disc cap is positioned between the brake working surface and the bearing flange plate.
Furthermore, the axial section profile of the disc cap is stepped, the disc cap comprises a large-diameter section and a small-diameter section, the large-diameter section of the disc cap is fixedly connected with the braking working face, and the end face of the small-diameter section of the disc cap abuts against the inner side of the bearing flange plate.
Furthermore, the small-diameter section of the disc cap is provided with a threaded hole, the bearing flange plate is correspondingly provided with a through hole, the brake disc fastening piece is a brake disc fastening bolt, and the brake disc fastening bolt is arranged in the through hole in a penetrating mode and in threaded fit with the threaded hole.
Further, still be connected with the wheel hub fastener on the bearing ring flange, the path section terminal surface of dish cap is equipped with dodges the groove, dodge the groove with the wheel hub fastener corresponds arranges, the screw hole with dodge the groove and be circumferential interval distribution.
Further, the end of the hub mandrel is provided with a threaded section, the threaded section of the hub mandrel extends to the outer side of the hub bearing, the mandrel fastener is a mandrel fastening nut, and the mandrel fastening nut is in threaded fit with the threaded section of the hub mandrel.
Further, the brake disc still includes interior protruding edge, interior protruding edge is fixed to be set up the inside of dish cap, install the fast sensor of wheel hub dabber, install on the interior protruding edge with the magnetic circle of fast sensor phase-match of wheel.
Further, the suspension rear axle is arranged on the inner side of the hub mandrel, a mandrel fixing bolt is connected between the hub mandrel and the suspension rear axle, and a caliper fixing bolt is connected between the caliper and the suspension rear axle.
Furthermore, an annular boss is arranged at the inner side part of the hub mandrel, and the hub bearing is in axial stop fit with the annular boss.
The technical scheme of the automobile is as follows:
the automobile comprises a brake assembly of a non-driving wheel, wherein the brake assembly of the non-driving wheel comprises a hub mandrel, a hub bearing, a brake disc and calipers, the brake disc is sleeved on the hub mandrel, the hub bearing is arranged between the brake disc and the hub mandrel, and the calipers are arranged outside the brake disc;
a core shaft fastener is detachably connected between the hub core shaft and the middle part of the hub bearing, a bearing flange plate is arranged on the hub bearing, the brake disc is arranged on the inner side of the bearing flange plate, and a brake disc fastener is detachably connected between the brake disc and the bearing flange plate;
the brake disc comprises a brake working surface and a disc cap which are fixedly connected, the axis direction of the disc cap is overlapped with the axis direction of the hub mandrel, and the disc cap is positioned between the brake working surface and the bearing flange plate.
Furthermore, the axial section profile of the disc cap is stepped and comprises a large-diameter section and a small-diameter section, the large-diameter section of the disc cap is fixedly connected with the braking working surface, and the end face of the small-diameter section of the disc cap abuts against the inner side of the bearing flange plate.
Furthermore, the small-diameter section of the disc cap is provided with a threaded hole, the bearing flange plate is correspondingly provided with a through hole, the brake disc fastening piece is a brake disc fastening bolt, and the brake disc fastening bolt is arranged in the through hole in a penetrating mode and in threaded fit with the threaded hole.
Further, still be connected with the wheel hub fastener on the bearing ring flange, the path section terminal surface of dish cap is equipped with dodges the groove, dodge the groove with the wheel hub fastener corresponds arranges, the screw hole with dodge the groove and be circumferential interval distribution.
Further, the end of the hub mandrel is provided with a threaded section, the threaded section of the hub mandrel extends to the outer side of the hub bearing, the mandrel fastener is a mandrel fastening nut, and the mandrel fastening nut is in threaded fit with the threaded section of the hub mandrel.
Further, the brake disc still includes interior protruding edge, interior protruding edge is fixed to be set up the inside of dish cap, install the fast sensor of wheel hub dabber, install on the interior protruding edge with the magnetic circle of fast sensor phase-match of wheel.
Further, the suspension rear axle is arranged on the inner side of the hub mandrel, a mandrel fixing bolt is connected between the hub mandrel and the suspension rear axle, and a caliper fixing bolt is connected between the caliper and the suspension rear axle.
Furthermore, an annular boss is arranged at the inner side part of the hub mandrel, and the hub bearing is in axial stop fit with the annular boss.
Has the advantages that: the brake assembly of the non-driving wheel adopts the structural design of a hub mandrel, a hub bearing, a brake disc and calipers, wherein the hub bearing is arranged between the brake disc and the hub mandrel, and the brake disc can rotate relative to the hub mandrel; a core shaft fastener is detachably connected between the hub core shaft and the middle part of the hub bearing, and a brake disc fastener is detachably connected between the brake disc and the bearing flange plate; the brake disc comprises a brake working surface and a disc cap which are fixedly connected, and the disc cap is positioned between the brake working surface and the bearing flange plate.
When the hub bearing needs to be disassembled, the mandrel fastener is disassembled, the assembling relation between the hub mandrel and the hub bearing is removed, the brake disc fastener is disassembled, the assembling relation between the brake disc and the hub bearing is removed, the brake disc is located on the inner side of the bearing flange, the hub bearing can be directly disassembled from the outer side, the hub bearing is prevented from being interfered with other parts, the hub bearing can be replaced without disassembling a brake part and a suspension part, the operation difficulty is reduced, and the replacement efficiency is improved. And the brake disc is structurally designed and arranged, so that the position of a brake working surface is closer to the inner side, an axial installation space is provided for calipers and brake parts, and the purpose of arranging a large-specification brake on a small-specification hub is achieved.
Drawings
FIG. 1 is an exploded perspective view of a non-drive wheel brake assembly and a hub in an embodiment of the non-drive wheel brake assembly of the present invention;
FIG. 2 is a right side schematic view of a non-driven wheel brake assembly in an exemplary embodiment of the non-driven wheel brake assembly of the present invention;
FIG. 3 is a cross-sectional schematic view of the brake assembly of the non-driven wheel of FIG. 2 at A-A;
FIG. 4 is a cross-sectional schematic view of a non-driven wheel brake assembly mounted on a wheel hub in an exemplary embodiment of the non-driven wheel brake assembly of the present invention;
FIG. 5 is a partial cross-sectional view of the brake assembly of the non-driven wheel of FIG. 2 at B-B;
FIG. 6 is a perspective view of a brake disk in an embodiment of the non-drive wheel brake assembly of the present invention.
In the figure: 1-a hub mandrel, 10-thread sections, 11-mandrel fasteners, 12-annular bosses, 13-mandrel fixing bolts, 14-a wheel speed sensor and 15-magnetic rings;
2-a hub bearing, 20-a bearing flange, 21-a brake disc fastener and 22-a hub fastener;
3-a brake disc, 30-a brake working surface, 31-a disc cap, 32-a large-diameter section of the disc cap, 33-a small-diameter section of the disc cap, 34-a threaded hole and 35-an avoidance groove;
4-caliper, 40-caliper bracket, 41-caliper fixing bolt, 5-suspension rear axle and 6-hub.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In embodiment 1 of the brake assembly for a non-driving wheel of the present invention, as shown in fig. 1 to 6, the brake assembly for a non-driving wheel includes a hub spindle 1, a hub bearing 2, a brake disc 3, and a caliper 4, wherein the brake disc 3 is sleeved on the hub spindle 1, the hub bearing 2 is installed between the brake disc 3 and the hub spindle 1, and the caliper 4 is disposed outside the brake disc 3; a mandrel fastener 11 is detachably connected between the hub mandrel 1 and the middle part of the hub bearing 2, a bearing flange 20 is arranged on the hub bearing 2, the brake disc 3 is arranged on the inner side of the bearing flange 20, and a brake disc fastener 21 is detachably connected between the brake disc 3 and the bearing flange 20; the brake disc 3 comprises a brake working surface 30 and a disc cap 31 which are fixedly connected, the axial direction of the disc cap 31 is coincident with the axial direction of the hub spindle 1, and the disc cap 31 is positioned between the brake working surface 30 and the bearing flange plate 20.
The brake assembly of the non-driving wheel adopts the structural design of a hub mandrel 1, a hub bearing 2, a brake disc 3 and a caliper 4, wherein the hub bearing 2 is arranged between the brake disc 3 and the hub mandrel 1, and the brake disc 3 can rotate relative to the hub mandrel 1; a mandrel fastener 11 is detachably connected between the hub mandrel 1 and the middle part of the hub bearing 2, and a brake disc fastener 21 is detachably connected between the brake disc 3 and the bearing flange plate 20; the brake disc 3 comprises a brake face 30 and a disc cap 31 fixedly connected, the disc cap 31 being located between the brake face 30 and the bearing flange 20.
When the hub bearing 2 needs to be disassembled, the mandrel fastener 11 is disassembled, the assembly relation between the hub mandrel 1 and the hub bearing 2 is removed, the brake disc fastener 21 is disassembled, the assembly relation between the brake disc 3 and the hub bearing 2 is removed, the brake disc 3 is located on the inner side of the bearing flange plate 20, the hub bearing 2 can be directly disassembled from the outer side, the interference of the hub bearing 2 and other parts is avoided, the hub bearing 2 can be replaced without disassembling a brake part and a suspension part, the operation difficulty is reduced, and the replacement efficiency is improved. Moreover, by utilizing the structural design and the installation arrangement of the brake disc 3, the position of the brake working surface 30 is more inner, an axial installation space is provided for the caliper 4 and the brake part, and the purpose of arranging a large-specification brake on a small-specification hub is realized.
In the embodiment, the axial cross-sectional profile of the disc cap 31 is a step shape, which includes a large diameter section and a small diameter section, the brake operating surface 30 is annular, the large diameter section 32 of the disc cap is fixedly connected with the brake operating surface 30, and the end surface of the small diameter section 33 of the disc cap abuts against the inner side of the bearing flange plate 20. By means of the stepped cross-sectional profile design of the disc cap 31, the local radial dimension of the disc cap 31 is reduced, and a radial arrangement space is provided for the caliper bracket 40.
And, the minor diameter section 33 of dish cap is equipped with screw hole 34, and bearing flange 20 corresponds and is equipped with the through-hole, and brake disc fastener 21 is the brake disc fastening bolt, and the brake disc fastening bolt wears to adorn in the through-hole and with screw hole 34 screw-thread fit. That is, the brake disc fastening bolts are inserted between the bearing flange 20 and the small diameter section 33 of the disc cap from the outside to the inside, and the brake disc fastening bolts can be removed from the outside, so that the hub bearing 2 can be removed and replaced.
Wherein, hub bearing 2 adopts second generation tapered roller bearing, possesses the strong characteristics of bearing capacity, still is connected with wheel hub fastener 22 on the bearing flange dish 20, and the path section 33 terminal surface of dish cap is equipped with dodges the groove 35, dodges groove 35 and wheel hub fastener 22 and corresponds and arranges, and screw hole 34 is circumference interval distribution with dodging groove 35. It should be noted that, the threaded holes 34 and the avoiding grooves 35 are all provided with a plurality of grooves, and the end surfaces of the small diameter sections 33 of the disc caps are arranged at equal intervals, so that the interference with the hub fastening piece 22 can be effectively avoided through the avoiding grooves 35, the axial size of the disc caps 31 is shortened, and the weight of the brake disc 3 is reduced. The hub fastening piece 22 is a hub fastening bolt, the hub fastening bolt penetrates through the bearing flange plate 20 from inside to outside, the end part of the hub fastening bolt extends to the outer side of the hub 6, and the hub nut is screwed on the hub fastening bolt, so that the hub 6 is fixedly connected with the bearing flange plate 20.
The end of the hub mandrel 1 is provided with a threaded section 10, the threaded section 10 of the hub mandrel 1 extends to the outer side of the hub bearing 2, the mandrel fastener 11 is a mandrel fastening nut, and the mandrel fastening nut is in threaded fit with the threaded section 10 of the hub mandrel 1. When the hub bearing 2 needs to be disassembled, the spindle fastening nut is screwed from the outer side, so that the assembling relation between the hub spindle 1 and the hub bearing 2 can be removed, and the difficulty of disassembling operation is reduced.
Wherein, brake disc 3 still includes interior protruding edge, and interior protruding edge is fixed to be set up in the inside of dish cap 31, interior protruding edge and braking working face 30, dish cap 31 integrated casting shaping, installs wheel speed sensor 14 on the wheel hub dabber 1, installs on the protruding edge in with wheel speed sensor 14 assorted magnetism circle 15. The magnetic ring 15 adopts a single-body magnetic ring structure, is directly pressed on the inner convex edge of the brake disc 3, and has simple and reliable installation process; meanwhile, the wheel speed sensor 14 adopts an axial arrangement design, so that the axial arrangement space of the caliper 4 and the brake disc 3 is increased, and the structure is more compact and reasonable.
In addition, the brake assembly of the non-driving wheel further comprises a suspension rear axle 5, the suspension rear axle 5 is arranged on the inner side of the hub mandrel 1, a mandrel fixing bolt 13 is connected between the hub mandrel 1 and the suspension rear axle 5, and a caliper fixing bolt 41 is connected between the caliper 4 and the suspension rear axle 5. The inner side part of the hub mandrel 1 is provided with the annular boss 12, the hub bearing 2 is in axial stop fit with the annular boss 12, and the change of the wheel track of the whole vehicle can be realized only by adjusting the axial length size of the annular boss 12 of the hub mandrel 1 according to actual requirements, so that the development cost of parts is reduced.
In the embodiment of the present invention, the vehicle includes a brake assembly of the non-driving wheel, and the brake assembly of the non-driving wheel is the same as the brake assembly of the non-driving wheel in the embodiment of the brake assembly of the non-driving wheel of the present invention, and thus, the detailed description thereof is omitted.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A brake assembly of a non-driving wheel is characterized by comprising a hub mandrel, a hub bearing, a brake disc and calipers, wherein the brake disc is sleeved on the hub mandrel, the hub bearing is arranged between the brake disc and the hub mandrel, and the calipers are arranged outside the brake disc;
a core shaft fastener is detachably connected between the hub core shaft and the middle part of the hub bearing, a bearing flange plate is arranged on the hub bearing, the brake disc is arranged on the inner side of the bearing flange plate, and a brake disc fastener is detachably connected between the brake disc and the bearing flange plate;
the brake disc comprises a brake working surface and a disc cap which are fixedly connected, the axis direction of the disc cap is overlapped with the axis direction of the hub mandrel, and the disc cap is positioned between the brake working surface and the bearing flange plate.
2. The non-drive wheel brake assembly as recited in claim 1 wherein the axial cross-sectional profile of the disc cap is stepped, the disc cap including a major diameter section and a minor diameter section, the major diameter section of the disc cap being fixedly connected to the brake face, the minor diameter section of the disc cap abutting the inner side of the bearing flange.
3. The non-drive wheel brake assembly as defined in claim 2, wherein said small diameter section of said disc cap has a threaded hole, said bearing flange has a corresponding through hole, said brake disc fastening member is a brake disc fastening bolt, and said brake disc fastening bolt is inserted into said through hole and threadedly engaged with said threaded hole.
4. The brake assembly for non-driving wheels according to claim 3, wherein the bearing flange is further connected with a hub fastening member, the end surface of the small diameter section of the disk cap is provided with an avoiding groove, the avoiding groove is arranged corresponding to the hub fastening member, and the threaded holes and the avoiding groove are circumferentially spaced.
5. The non-drive wheel brake assembly of any one of claims 1 to 4, wherein the end of the hub spindle has a threaded section extending outside the hub bearing, and the spindle fastener is a spindle fastening nut that is threadedly engaged with the threaded section of the hub spindle.
6. The non-driven wheel brake assembly as claimed in any one of claims 1 to 4, wherein the brake disc further comprises an inner protruding edge, the inner protruding edge is fixedly arranged inside the disc cap, the hub spindle is provided with a wheel speed sensor, and the inner protruding edge is provided with a magnetic ring matched with the wheel speed sensor.
7. The non-drive wheel brake assembly according to claim 1, further comprising a suspension rear axle, wherein the suspension rear axle is disposed inside the hub spindle, a spindle fixing bolt is connected between the hub spindle and the suspension rear axle, and a caliper fixing bolt is connected between the caliper and the suspension rear axle.
8. The non-drive wheel brake assembly as in claim 1, wherein the hub spindle has an inner portion with an annular boss, and the hub bearing is axially stop-fit with the annular boss.
9. An automobile characterised by comprising a non-driven wheel brake assembly as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122982335.6U CN216374505U (en) | 2021-11-30 | 2021-11-30 | Brake assembly of non-driving wheel and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122982335.6U CN216374505U (en) | 2021-11-30 | 2021-11-30 | Brake assembly of non-driving wheel and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216374505U true CN216374505U (en) | 2022-04-26 |
Family
ID=81219195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122982335.6U Active CN216374505U (en) | 2021-11-30 | 2021-11-30 | Brake assembly of non-driving wheel and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216374505U (en) |
-
2021
- 2021-11-30 CN CN202122982335.6U patent/CN216374505U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20231229 Address after: Room 201-1, 2nd Floor, Building 15, No. 21 Tianhou Road, Nansha Street, Nansha District, Guangzhou City, Guangdong Province, 511458 Patentee after: Qiji Automotive Technology (Guangzhou) Co.,Ltd. Address before: 23rd floor, Chengyue building, No. 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou City, Guangdong Province 510030 Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. |