CN213954208U - Ventilation brake disc for hub motor - Google Patents
Ventilation brake disc for hub motor Download PDFInfo
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- CN213954208U CN213954208U CN202022392423.6U CN202022392423U CN213954208U CN 213954208 U CN213954208 U CN 213954208U CN 202022392423 U CN202022392423 U CN 202022392423U CN 213954208 U CN213954208 U CN 213954208U
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- reinforcing ribs
- disc
- brake disc
- hub motor
- tray body
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Abstract
The utility model relates to the field of in-wheel motor braking, and discloses a ventilation brake disc for an in-wheel motor, which comprises an inner annular first disc body and an outer annular second disc body (2) which are used for being jointed with a brake block, wherein the outer edge of the first disc body extends outwards to form a mounting cap (3), the first disc body and the second disc body (2) are connected by arranging a plurality of reinforcing ribs (4), and a wind channel (5) is formed between the reinforcing ribs (4); the lateral surface height of first disk body is higher than installation cap (3) lateral surface place height, and first disk body outside side is along being provided with domatic (6). The brake disc has the advantages of good heat dissipation effect, high structural strength, stable brake disc surface and the like.
Description
Technical Field
The utility model relates to a wheel braking field has especially related to a ventilation brake disc for wheel hub motor.
Background
With the rising application of hub motors, the brakes matched with the hub motors also get wide attention. The brake is as an energy conversion device, turns into car kinetic energy heat energy to braking effect, wherein, the brake disc bears the unit as main heat energy, plays vital influence to whole car braking security, and overheated brake disc also can cause the heat radiation to the wheel hub motor simultaneously, influences the life of motor. The brake disc of a conventional brake is mounted on the hub unit so that its flange mounting face is inboard. And the wheel hub motor adopts the outer rotor structure, and its wheel hub installation size greatly increased, and traditional brake disc structure can not adapt to, and it is very necessary to provide a novel wheel hub motor with brake disc in conclusion.
Chinese patent CN 201811279530.9; name: a floating caliper disc brake assembly structure for a hub motor is characterized in that a brake disc structure for the hub motor is arranged inside the floating caliper disc brake assembly structure, but a brake disc mounting hole of the structure protrudes out of the outer edge of a brake disc, so that the structure is relatively weak and is easy to break; secondly, the brake disc is solid structure, and heat radiating area is little, and heat-sinking capability is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the shortcoming that prior art brake disc exists, a ventilation brake disc is used to hub motor is provided.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a ventilation brake disc for a hub motor comprises a first disc body and a second disc body, wherein the first disc body is annular on the inner side and is used for being attached to a brake block, the second disc body is annular on the outer side, an installation cap extends outwards from the outer edge of the first disc body, the first disc body and the second disc body are connected through a plurality of reinforcing ribs, and air channels are formed among the reinforcing ribs; the lateral surface height of first disk body is higher than the installation cap lateral surface place height, and first disk body outside side is along being provided with domatic. The slope structure increases the caliber of the inlet and the outlet of the air duct of the brake disc and improves the convection air quantity.
Preferably, the mounting cap is annular as a whole, a connection part of the inner end surface of the mounting cap and the inner end surface of the first tray body forms a folded surface, the inner end surface of the mounting cap is positioned on the inner side of the inner end surface of the first tray body, and the mounting cap is arranged along the circumferential direction of the mounting cap. The outer side disc cap is positioned on the outer side of the brake disc surface, and bolt mounting holes are distributed on the outer side disc cap, so that the whole brake disc is changed into an annular mounting panel, and the structural strength is high.
Preferably, the first tray and the second tray are provided with vent holes.
Preferably, the vent hole penetrates the first tray and the second tray.
Preferably, the vent holes are provided between the ribs.
Preferably, the slope has an oblique angle of 150 ° to 175 °.
Preferably, the reinforcing ribs are rectangular bars and the reinforcing ribs are shaped as a whole to extend outwardly from the central portion.
The utility model discloses a brake disc has following technological effect:
the utility model discloses a brake disc has simple to operate, and structural strength is big, and ventilation structure is reasonable moreover, and the radiating effect is good, and the book face structure of design simultaneously can avoid advantages such as the quotation that leads to because installation error beats.
Drawings
Fig. 1 is a schematic view of the overall structure of the apparatus.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a cross-sectional view of fig. 2.
Fig. 4 is a perspective view of the sectional view of fig. 2.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-first disk body, 2-second disk body, 3-installation cap, 4-strengthening rib, 5-wind channel, 6-domatic, 7-first strengthening rib, 8-second strengthening rib, 9-tool withdrawal groove, 10-folding face, 11-ventilation hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A ventilation brake disc for a hub motor comprises a first disc body 1 which is annular on the inner side and is used for being attached to a brake block and a second disc body 2 which is annular on the outer side, wherein an installation cap 3 extends outwards from the outer edge of the first disc body 1, the first disc body 1 and the second disc body 2 are connected through a plurality of reinforcing ribs 4, and an air duct 5 is formed between the reinforcing ribs 4; the lateral surface height of first disk body 1 is higher than the lateral surface place height of mounting cap 3, and 1 outside border of first disk body is provided with domatic 6. The slope 6 structure increases the caliber of the inlet and the outlet of the brake disc air duct 5 and improves the convection air quantity. And the slope surface 6 structure also has the function of flow guiding, so that the wind noise is reduced.
For convenience of description, the reinforcing ribs 4 include first reinforcing ribs 7 on the outer side and second reinforcing ribs 8 on the inner side, the first reinforcing ribs 7 are distributed annularly and are arranged concentrically with the first tray body 1 and the second tray body 2, and the second reinforcing ribs 8 are distributed annularly and are arranged concentrically with the first tray body 1 and the second tray body 2; the second reinforcing ribs 8 and the adjacent first reinforcing ribs 7 are arranged in a staggered manner to form a Y shape. The reinforcing ribs 4 of the structure divide the ventilation air duct 5 into two parts, and the convection heat exchange area is increased.
In order to facilitate the processing of the disc surface, the inner side surface of the first disc body 1 is provided with a tool withdrawal groove 9. The tool withdrawal groove 9 is convenient for the disc surface to be processed and withdrawn.
In this embodiment, the reinforcing ribs 4 include first reinforcing ribs 7 on the outer side and second reinforcing ribs 8 on the inner side, the first reinforcing ribs 7 are distributed annularly and are arranged concentrically with the first tray body 1 and the second tray body 2, and the second reinforcing ribs 8 are distributed annularly and are arranged concentrically with the first tray body 1 and the second tray body 2; the second reinforcing ribs 8 and the adjacent first reinforcing ribs 7 are arranged in a staggered manner to form a Y shape. The reinforcing ribs 4 of the structure divide the ventilation air duct 5 into two parts, and the convection heat exchange area is increased.
For convenience of processing, the inner side surface of the first tray body 1 is provided with a tool withdrawal groove 9. The tool withdrawal groove 9 is convenient for the disc surface to be processed and withdrawn.
In this embodiment, the whole mounting cap 3 is annular, and the mounting cap 3 and the first disk body 1 form an integrated disk structure, so when mounting, the first disk body 1 has more reliable strength. The joint of the inner end surface of the mounting cap 3 and the inner end surface of the first tray body 1 forms a folded surface 10, the inner end surface of the mounting cap 3 is positioned on the inner side of the inner end surface of the first tray body 1, and the mounting cap 3 is arranged along the circumferential direction. The outer side disc cap is positioned on the outer side of the brake disc surface, and bolt mounting holes are distributed on the outer side disc cap, so that the whole brake disc is changed into an annular mounting panel, and the structural strength is high. And the designed structure of the folding surface 10 increases the elasticity of the structure and reduces the influence of the unbalanced mounting of the disc cap on the end jump of the brake disc.
In order to increase the air convection speed, the first tray 1 and the second tray 2 are provided with vent holes 11. The ventilation holes 11 penetrate the first tray 1 and the second tray 2. Therefore, when the brake disc is braked, the convection heat dissipation can be carried out in the largest area, and the vent holes 11 have higher flow speed, so that the heat dissipation of the middle areas of the first disc body 1 and the second disc body 2 is accelerated.
In order not to affect the strength of the reinforcing ribs 4, the vent holes 11 are provided between the reinforcing ribs 4 in the present embodiment.
In this embodiment, the slope 6 has an oblique angle of 175 °.
In this embodiment, the reinforcing ribs 4 are rectangular bars, and the overall shape of the reinforcing ribs 4 is such that they extend outward from the middle.
Example 2
This embodiment differs from embodiment 1 in that the bevel angle of the ramp 6 is 150.
Example 3
This embodiment is different from embodiment 1 in that: the contact connection parts of the reinforcing ribs 4 and the first disk surface and the second disk surface are in arc transition. This structure can reduce noise generated by collision with the reinforcing ribs 4 during air convection.
Claims (9)
1. The utility model provides a ventilation brake disc for wheel hub motor which characterized in that: the brake block comprises a first disc body and a second disc body, wherein the first disc body is used for being attached to a brake block and is annular on the inner side, the second disc body (2) is annular on the outer side, a mounting cap (3) extends outwards from the outer edge of the first disc body, the first disc body and the second disc body (2) are connected through a plurality of reinforcing ribs (4), and an air channel (5) is formed between the reinforcing ribs (4); the lateral surface height of first disk body is higher than installation cap (3) lateral surface place height, and first disk body outside side is along being provided with domatic (6).
2. The ventilated brake disc for the hub motor according to claim 1, wherein: the reinforcing ribs (4) comprise first reinforcing ribs (7) on the outer side and second reinforcing ribs (8) on the inner side, the first reinforcing ribs (7) are distributed annularly and are arranged concentrically with the first tray body and the second tray body (2), and the second reinforcing ribs (8) are distributed annularly and are arranged concentrically with the first tray body and the second tray body (2); the second reinforcing ribs (8) and the adjacent first reinforcing ribs (7) are arranged in a staggered manner to form a Y shape.
3. The ventilated brake disc for the hub motor according to claim 1, wherein: the inner side surface of the first tray body is provided with a tool withdrawal groove (9).
4. The ventilated brake disc for the hub motor according to claim 1, wherein: the mounting cap (3) is integrally annular, a folding surface (10) is formed at the joint of the inner end surface of the mounting cap (3) and the inner end surface of the first tray body, the inner end surface of the mounting cap (3) is positioned on the inner side of the inner end surface of the first tray body, and the mounting cap (3) is arranged along the circumferential direction of the mounting cap.
5. The ventilated brake disc for the hub motor according to claim 1, wherein: the first tray body and the second tray body (2) are provided with vent holes (11).
6. The ventilated brake disc for the hub motor according to claim 5, wherein: the ventilation hole (11) penetrates through the first tray body and the second tray body (2).
7. The ventilated brake disc for the hub motor according to claim 5, wherein: the vent holes (11) are arranged between the reinforcing ribs (4).
8. The ventilated brake disc for the hub motor according to claim 1, wherein: the oblique angle of the slope surface (6) is between 150 and 175 degrees.
9. The ventilated brake disc for the hub motor according to claim 1, wherein: the reinforcing ribs (4) are rectangular strip-shaped pieces, and the overall shape of the reinforcing ribs (4) extends outwards from the middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392423.6U CN213954208U (en) | 2020-10-23 | 2020-10-23 | Ventilation brake disc for hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392423.6U CN213954208U (en) | 2020-10-23 | 2020-10-23 | Ventilation brake disc for hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213954208U true CN213954208U (en) | 2021-08-13 |
Family
ID=77205025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022392423.6U Active CN213954208U (en) | 2020-10-23 | 2020-10-23 | Ventilation brake disc for hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213954208U (en) |
-
2020
- 2020-10-23 CN CN202022392423.6U patent/CN213954208U/en active Active
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