CN220465471U - Arrangement structure of wheel end brake controller, brake device, wheel assembly and vehicle - Google Patents
Arrangement structure of wheel end brake controller, brake device, wheel assembly and vehicle Download PDFInfo
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- CN220465471U CN220465471U CN202322185959.4U CN202322185959U CN220465471U CN 220465471 U CN220465471 U CN 220465471U CN 202322185959 U CN202322185959 U CN 202322185959U CN 220465471 U CN220465471 U CN 220465471U
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- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000002356 single layer Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 3
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses an arrangement structure of a wheel end brake controller, which comprises a wheel rim, an electric control brake caliper and a driving shaft, wherein the electric control brake caliper comprises an electronic control unit, a motor gear unit and a brake caliper assembly, the electronic control unit at least comprises a circuit board, the circuit board is arranged at the end part of the brake caliper assembly and is arranged in a biased way in a radial direction far away from the center of the rim, and the distance between the middle part of the circuit board and the axis of the wheel rim is larger than the distance between a caliper cylinder hole and the axis of the wheel rim. The arrangement structure of the wheel end brake controller ensures that the electric control brake calipers are easy to arrange in the wheel rim, can meet the requirement of the whole vehicle space arrangement, and cannot interfere with parts in the rim.
Description
Technical Field
The utility model belongs to the technical field of braking systems, and particularly relates to an arrangement structure of a wheel end braking controller, a braking device, a wheel assembly and a vehicle.
Background
The space for arranging the braking system at the whole wheel end is very limited, most vehicle type wheel ends are provided with suspension, driving and steering systems, when the vehicle turns, the wheel can swing left and right around the Z axis of the vehicle coordinate system, when the vehicle jolts, the wheel can jump up and down relative to the X axis and the Y axis of the vehicle coordinate system, the electric control brake caliper is extremely easy to interfere with parts in the rim, for example, parts such as a driving shaft, a fork arm, the rim, a knuckle and the like limit the space of the X axis or the Z axis of the electric control brake caliper, and parts such as a driving shaft, an air spring and the like limit the space of the Y axis of the electric control brake caliper, so that the electric control brake caliper is not easy to arrange.
Therefore, in EMB design and development, there are a plurality of difficulties that, on one hand, the Y-axis dimension needs to be reduced, which would squeeze the space of the electronic components, and thus, an effective layout space needs to be found for the electronic components and the like; on the other hand, under the condition that the Y-axis is consistent in size, the device is easier to interfere with a driving shaft, so that a path needs to be searched, and under the condition that the Y-axis is consistent in size, more vehicle types can be adapted;
in the technical scheme disclosed in the patent document with the authority of CN218817770U, a double-layer circuit board is staggered at the top end to be arranged in a step shape, and although the design can integrate an ECU and an MGU on a brake caliper assembly, the design is beneficial to improving the response speed of a system, improving the reliability of the system and simultaneously enabling the brake caliper assembly to be designed more compactly, the structure occupies more axial or circumferential space, so that the risk of being incapable of adapting to more vehicle types exists.
Specifically, in the technical scheme disclosed in the above patent document, the shape of the ECU housing is matched with the shape of the internal circuit board, the ECU housing has a stepped structure, so that the arrangement requirement of the double-layer circuit board is met, and meanwhile, the interference problem of part (such as a driving shaft) can be solved, but the double-layer circuit board is arranged at the top end, so that the whole volume of the brake caliper is larger, more axial space is required to be occupied when the brake caliper is arranged in a rim, and therefore, the brake caliper is easy to interfere with the hub when the brake caliper is arranged in a hub with smaller space.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an arrangement structure of a wheel end brake controller, which aims to avoid interference between a brake caliper and parts in a wheel rim and adapt to more vehicle types.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an arrangement structure of wheel end brake controller, includes wheel rim, automatically controlled brake caliper and drive shaft, and automatically controlled brake caliper includes electronic control unit, motor gear unit and brake caliper subassembly, electronic control unit contains a circuit board at least, the circuit board is arranged the brake caliper subassembly tip, and radially to keeping away from rim central direction offset arrangement, the distance between the axis of circuit board's middle part and wheel rim is greater than the distance between calliper jar hole and the axis of wheel rim.
The circuit board is arranged perpendicular to the axial direction of the wheel rim.
The circuit board is arranged in a single layer.
The electronic components with higher height are arranged on the circuit board, and the electronic components are electronic components with the height of more than 7 mm.
The electronic component with higher axial height is positioned at the non-overlapping part of the circuit board and the gear transmission mechanism at the upper end.
The gear transmission mechanism is arranged at the lower end of the circuit board, and the intermediate transmission gear is arranged in a biased manner in the radial direction away from the center of the rim.
The electronically controlled brake caliper further includes a locking mechanism axially disposed at a lower end of an intermediate drive gear of the offset gear drive mechanism.
The area of the circuit board in the direction away from the center of the rim is larger than the area of the motor gear unit in the direction away from the center of the rim.
The middle part of the circuit board is bent and arranged along the radial direction far away from the center of the wheel rim.
The locking mechanism includes an electrical connector, and the electrical connector is connected with the circuit board along an outer side of the motor gear unit.
The electronic control unit further comprises a shell and a shell cover, wherein the shell and the shell cover are arranged on the upper side and the lower side of the circuit board.
The electronic control unit is connected with the motor gear unit through a fastener, and the brake caliper assembly is connected with the motor gear unit through a fastener.
The utility model also provides a braking device which comprises the arrangement structure of the wheel end braking controller.
The utility model also provides a wheel assembly comprising the braking device.
The utility model also provides a vehicle comprising the wheel assembly.
According to the arrangement structure of the wheel end brake controller, the single-layer circuit board and the caliper cylinder holes are arranged in an offset mode, so that the electric control brake caliper has lower axial height, the whole size is smaller, meanwhile, the offset single-layer circuit board can enable the driving shaft to obtain a wider rotatable angle, the electric control brake caliper is easy to arrange in a wheel rim, the requirement of whole vehicle space arrangement can be met, the electric control brake caliper cannot interfere with parts in the rim, and the wheel rim with different sizes can be adapted.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a schematic illustration of the restriction of the space of a brake caliper in the radial direction within a rim;
FIG. 2 is a schematic illustration of the arrangement of the brake caliper within the rim;
FIG. 3 is a schematic illustration of the limitation of the space of the brake caliper in the axial direction of the rim;
FIG. 4 is a schematic illustration of the use of space under a brake caliper biasing portion;
FIG. 5 is a schematic partial structural view of an electronically controlled brake caliper;
FIG. 6 is a schematic structural view of a circuit board (PCBA);
marked in the figure as: 1. an electronically controlled brake caliper; 101. an electronic control unit; 1011. a cover; 1012. PCBA (circuit board); 1013. a housing; 102. a motor gear unit; 103. a brake caliper assembly; 2. a drive shaft; 3. a wheel rim; 4. a brake disc; 5. an air spring; 6. an electronic component arrangement region; a. a fixing screw; b. a connector; c. a locking mechanism; d. an electronic component; e. a transmission gear.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the utility model, and to aid in its practice, by those skilled in the art.
As shown in fig. 1 to 5, the present utility model provides an arrangement of a wheel end brake controller comprising a wheel rim 3, an electronically controlled brake caliper and a drive shaft 2, the wheel rim 3 having a brake disc 4 mounted thereon. The electronically controlled brake caliper comprises an electronic control unit 101, a motor gear unit 102 and a brake caliper assembly 103, the electronic control unit 101 comprising a piece of PCBA1012, the PCBA1012 being arranged at the end of the brake caliper assembly 103, offset in a radial direction (which radial direction refers to a direction perpendicular to the axis of the wheel rim 3) away from the centre of the wheel rim. The vertical distance between the middle part of PCBA1012 in the length direction and the axis of the wheel rim 3 is greater than the vertical distance between the caliper cylinder hole and the axis of the wheel rim 3, so that the middle part of PCBA1012 is arranged in a biased manner, the PCBA1012 is arranged in a single layer, the middle part of PCBA1012 is positioned in the middle of the two ends of the PCBA1012 in the length direction, the length direction of the PCBA1012 is perpendicular to the axis of the caliper cylinder hole, the caliper cylinder hole of the brake caliper assembly 103 is a round hole, the axis of the caliper cylinder hole is parallel to the axis of the wheel rim 3, the caliper cylinder hole is used for accommodating a piston of the brake caliper assembly 103, and the PCBA1012 and the caliper cylinder hole are arranged in a biased manner so as to be away from the axis of the wheel rim 3, so that a wider rotatable angle can be provided for the driving shaft 2.
Specifically, as shown in fig. 1 to 6, the electronic control unit 101 includes a case 1013 and a case cover 1011, the case 1013 and the case cover 1011 are fixedly connected, the PCBA1012 is located inside the case 1013, the case 1013 is provided on the caliper assembly 103, the PCBA1012 is located between the case 1013 and the case cover 1011, the PCBA1012 has a substantially circular arc structure, and a middle portion of the PCBA1012 is bent in a radial direction away from a center of the wheel rim 3. The shape of the cover 1011 matches with the shape of the PCBA1012, the distance between the middle part of the cover 1011 and the axis of the wheel rim 3 is greater than the distance between the two end parts of the cover 1011 and the axis of the wheel rim 3, and the middle part of the cover 1011 is located between the two end parts.
The PCBA1012 is offset radially outward of the center of the wheel rim 3 relative to the center of the brake caliper assembly 103 along the wheel rim 3, and the PCBA1012 is a single layer arrangement with the PCBA1012 disposed perpendicular to the axial direction of the wheel rim 3.
As shown in fig. 1 and 2, after the electronic control unit 101 and the motor gear unit 102 are offset outward from the center of the caliper assembly 103 in the radial direction of the wheel rim 3 toward the center of the wheel rim 3, the electronic control unit 101, the motor gear unit 102, the caliper assembly 103 and the inner wall of the wheel rim 3 form an offset region. The PCBA1012 has a larger area away from the center of the rim than the motor-gear unit 102.
As shown in fig. 1-4, an electronic component d is disposed on the PCBA1012 and is located in the offset region, the electronic component d being located in a non-overlapping portion of the PCBA1012 and the gear train. The electronic component d is an electronic component with a height of more than 7mm, and the height direction of the electronic component d is parallel to the axis direction of the wheel rim 3.
The electric control brake caliper further comprises a fixing screw a, a connector b, a locking mechanism c, a transmission gear e, a signal sensor and other parts, and the fixing screw a, the connector b, the locking mechanism c, the transmission gear e, the signal sensor and other parts are located in the offset area. The arrangement of various parts of the electric control brake caliper in the offset area can fully utilize the rim space without additionally increasing the axial height of the brake caliper, and prevent the brake caliper from being excessively high in axial height to interfere with parts (such as the air spring 5) in the rim.
The locking mechanism c comprises an electromagnet, the electromagnet is matched with the transmission gear e, the locking mechanism c is used for locking the transmission gear e and preventing the transmission gear e from rotating, and the electromagnet is connected with the circuit board through the busbar.
The locking mechanism c also includes an electrical connector that is coupled to the PCBA1012 along the outside of the motor gear unit 102.
As shown in fig. 1, the offset arrangement of the PCBA1012 results in a first offset space being created where the offset of the drive gear e covers a portion of the circuit board forming first offset space while a second offset space is created where the locking mechanism c is disposed and the conductive components (i.e., the busbar) of the electromagnet are disposed.
As shown in fig. 1 to 4, it is preferable that the side wall of the case 1013 facing the center of the wheel rim 3 is in a fan-shaped or arc-shaped structure and the side wall of the case 1013 is disposed coaxially with the wheel rim 3, and the side wall of the cover 1011 facing the center of the wheel rim 3 is in a fan-shaped or arc-shaped structure and the side wall of the cover 1011 is disposed coaxially with the wheel rim 3. In the condition that the electronic control unit 101 meets the safety clearance with the inner wall of the rim, the rim space is fully utilized, so that the electronically controlled brake caliper is easy to arrange in the wheel rim 3, and the appearance is more attractive.
Preferably, the electronic control unit 101 is integrally provided with the motor gear unit 102 and both are connected by fasteners. The brake caliper assembly 103 is integrally provided with the motor gear unit 102 and both are connected by fasteners. The motor gear unit 102 includes a motor and a gear transmission mechanism, the gear transmission mechanism is composed of a first gear, an intermediate transmission gear (i.e. transmission gear e) and a second gear, the gear transmission mechanism is arranged at the lower end of the PCBA1012, the intermediate transmission gear is arranged in a radial direction (the radial direction is the direction perpendicular to the axis of the wheel rim 3) in a biased manner in a direction away from the center of the rim, the intermediate transmission gear is a duplex gear composed of a large gear and a small gear, the large gear of the intermediate transmission gear is meshed with the first gear, the small gear is meshed with the second gear, and the motor drives the first gear to rotate.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.
Claims (15)
1. The utility model provides an arrangement structure of wheel end brake controller, includes wheel rim, automatically controlled brake caliper and drive shaft, automatically controlled brake caliper includes electronic control unit, motor gear unit and brake caliper subassembly, its characterized in that: the electronic control unit at least comprises a circuit board, wherein the circuit board is arranged at the end part of the brake caliper assembly and is arranged in a biased way in a radial direction far away from the center of the wheel rim, and the distance between the middle part of the circuit board and the axis of the wheel rim is larger than the distance between the caliper cylinder hole and the axis of the wheel rim.
2. The arrangement of wheel end brake controllers according to claim 1, wherein: the circuit board is arranged perpendicular to the axial direction of the wheel rim.
3. The arrangement of wheel end brake controllers according to claim 1, wherein: the circuit board is arranged in a single layer.
4. The arrangement of wheel end brake controllers according to claim 1, wherein: the electronic components are arranged on the circuit board, and the electronic components are electronic components with the height of more than 7 mm.
5. The arrangement of wheel end brake controllers of claim 4, wherein: the electronic component is positioned at the non-overlapping part of the circuit board and the gear transmission mechanism at the upper end.
6. The arrangement of wheel end brake controllers of claim 5, wherein: the gear transmission mechanism is arranged at the lower end of the circuit board, and the intermediate transmission gear is arranged in a biased manner in the radial direction away from the center of the rim.
7. The arrangement of wheel end brake controllers of claim 6, wherein: the electric control brake caliper further comprises a locking mechanism, and the locking mechanism is axially arranged at the lower end of an intermediate transmission gear of the gear transmission mechanism.
8. An arrangement of wheel end brake controllers according to any one of claims 1 to 7, wherein: the area of the circuit board in the direction away from the center of the rim is larger than the area of the motor gear unit in the direction away from the center of the rim.
9. The arrangement of wheel end brake controllers of claim 7, wherein: the locking mechanism includes an electrical connector, and the electrical connector is connected with the circuit board along an outer side of the motor gear unit.
10. The arrangement of wheel end brake controllers of claim 7, wherein: the middle part of the circuit board is bent and arranged along the radial direction far away from the center of the wheel rim.
11. An arrangement of wheel end brake controllers according to any one of claims 1 to 7, wherein: the electronic control unit further comprises a shell and a shell cover, wherein the shell and the shell cover are arranged on the upper side and the lower side of the circuit board.
12. A wheel end brake controller arrangement according to any one of claims 1 to 3, wherein: the electronic control unit is connected with the motor gear unit through a fastener, and the brake caliper assembly is connected with the motor gear unit through a fastener.
13. The braking device is characterized in that: an arrangement comprising the wheel end brake controller of any one of claims 1 to 12.
14. The wheel assembly, its characterized in that: comprising a braking device according to claim 13.
15. The vehicle is characterized in that: a wheel assembly comprising the wheel assembly of claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322185959.4U CN220465471U (en) | 2023-08-11 | 2023-08-11 | Arrangement structure of wheel end brake controller, brake device, wheel assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322185959.4U CN220465471U (en) | 2023-08-11 | 2023-08-11 | Arrangement structure of wheel end brake controller, brake device, wheel assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220465471U true CN220465471U (en) | 2024-02-09 |
Family
ID=89798850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322185959.4U Active CN220465471U (en) | 2023-08-11 | 2023-08-11 | Arrangement structure of wheel end brake controller, brake device, wheel assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220465471U (en) |
-
2023
- 2023-08-11 CN CN202322185959.4U patent/CN220465471U/en active Active
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