CN203836035U - Brake dust shield - Google Patents
Brake dust shield Download PDFInfo
- Publication number
- CN203836035U CN203836035U CN201420224667.5U CN201420224667U CN203836035U CN 203836035 U CN203836035 U CN 203836035U CN 201420224667 U CN201420224667 U CN 201420224667U CN 203836035 U CN203836035 U CN 203836035U
- Authority
- CN
- China
- Prior art keywords
- vehicle
- open pore
- bearing
- protuberance
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000428 dust Substances 0.000 title claims abstract description 26
- 239000011148 porous material Substances 0.000 claims abstract description 41
- 210000003141 lower extremity Anatomy 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 238000001816 cooling Methods 0.000 description 7
- 238000007654 immersion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0004—Parts or details of disc brakes
- F16D2055/0037—Protective covers
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to a brake dust shield (1) which covers a disc-shaped rotor (2) fixed on a hub (3) from the inner side of a vehicle, a through hole (1c) is formed in the center (1b) of the dust shield, the hub is inserted into the through hole and a bearing (5) which supports the hub in a free rotating mode from the outer side is also inserted into the through hole, an open pore (1f) is formed in the upper portion (1e) of the dust shield and used for guiding air from the lower side of the vehicle to the disc-shaped rotor, and a lower side protrusion (1g) is further arranged, protrudes from the lower edge (1h) of the open pore to the oblique upper portion of the outer side of the vehicle and extends in the front-back direction of the vehicle. Water entering from the upper side of the vehicle passes through the open pore and then is blocked by the lower side protrusion so that water can not enter the center, and water on the upper surface of the lower protrusion flows towards the inner side of the vehicle and then is drained to the lower side of the vehicle so that water can not make contact with the bearing. Accordingly, under the condition that the bearing is inserted into the through hole formed in the center, water going to the bearing can be reduced.
Description
Technical field
The utility model relates to a kind of brake dust of vehicle.
Background technique
As the prior art of brake dust, for example disclosed brake dust in Japanese kokai publication hei 11-078407 communique, it is provided with for importing the open pore of air with cooling break.Other prior art documents relevant with the utility model also have TOHKEMY 2010-159849 communique.
But, in existing brake dust, because core is formed with the through hole that inserts bearing, so the in the situation that of open pore being set on top, the water of invading from this open pore will further invade bearing inside, thereby likely cause bearing fault.Therefore,, in the vehicles such as the severe sports type multipurpose automobile (SUV) of Environmental Conditions, in bearing, need to avoid arranging on the top of brake dust open pore for preventing that water from invading, thereby limit the raising of break cooling performance.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of raising of not limit stop cooling performance, and can reduce the brake dust of the water immersion of bearing.
For solving the problems of the technologies described above, brake dust of the present utility model is set to cover from vehicle interior side the discal rotor being fixed on wheel hub, and core is formed with through hole, in this through hole, insert described wheel hub and rotate the bearing that supports freely described wheel hub from outside, top is formed with open pore, this open pore is for importing to described discal rotor from the air of vehicle lower side, also be provided with downside protuberance, this downside protuberance is outstanding to the oblique upper of vehicle outside from the lower limb of described open pore, and extends along the fore-and-aft direction of vehicle.
Can also be to be also provided with upside protuberance, this upside protuberance be outstanding to the oblique below of vehicle interior side from the top edge of described open pore, and extends along the fore-and-aft direction of vehicle.
Can also be to be set to cover from vehicle interior side the discal rotor being fixed on wheel hub, and core is formed with through hole, in this through hole, insert described wheel hub and rotate the bearing that supports freely described wheel hub from outside, top is formed with open pore, this open pore is for importing to described discal rotor from the air of vehicle lower side, also be provided with upside protuberance, this upside protuberance is outstanding to the oblique below of vehicle interior side from the top edge of described open pore, and extends along the fore-and-aft direction of vehicle.
According to brake dust of the present utility model, the open pore of the air importing from vehicle lower side by top, be imported in discal rotor.Therefore, can improve the cooling performance of break.In addition, the protuberance that the water of invading from vehicle upside is arranged on top stops and cannot invade to core, because protuberance tilts to vehicle interior side, therefore can not touched bearing discharged to the downside of vehicle after the trickling of vehicle interior side direction on the upper surface of protuberance.Therefore, in the through hole forming, insert under the state of bearing at core, the water that can reduce bearing immerses.
Brief description of the drawings
Fig. 1 is the plan view of the brake dust of the utility model the 1st mode of execution.
Fig. 2 is the sectional view along A-A line in Fig. 1.
Fig. 3 A is the enlarged view after a part of Fig. 2 is amplified.
Fig. 3 B is the brake dust figure corresponding with Fig. 3 A of the utility model the 2nd mode of execution.
Fig. 3 C is the brake dust figure corresponding with Fig. 3 A of the utility model the 3rd mode of execution.
Fig. 4 represents that the brake dust of the utility model the 1st mode of execution is arranged at the sectional view of the air path under the state in wheel.
Fig. 5 is the stereogram of Fig. 4.
Fig. 6 represents that the brake dust of the utility model the 1st mode of execution is arranged at the sectional view in the water immersion path under the state in wheel.
In figure 1, brake dust 1b, core 1c, through hole 1e, top 1f, open pore 1g, downside protuberance 1h, lower limb 2, discal rotor 3, wheel hub 5, bearing
Embodiment
Below in conjunction with accompanying drawing, the 1st mode of execution of the present utility model is illustrated.In addition, the feature of present embodiment, in the structure of brake dust, therefore describes centered by the following structure by brake dust and function, and the explanation of other vehicle components will be simplified or omit.
As shown in Fig. 4～Fig. 6, brake dust (hereinafter to be referred as dust-proof cover) 1 is set to cover from vehicle interior side the discal rotor 2 of disc-brake, mainly plays and prevents that dust, foreign matter from invading the effect of discal rotor 2 from vehicle interior side.
Discal rotor 2 is fixed on wheel hub 3 and with wheel and is rotated by bolt 4 grades.Discal rotor 2 is ventilation type rotor.As shown in Figure 5, inside is provided with multiple radiating fin 2a.Formed multiple vent hole 2b by radiating fin 2a, this vent hole 2b extends through outer circumferential side from the inner circumferential side of discal rotor 2.
Dust-proof cover 1 can use extruding formation method to form by sheet metal is integrally formed, and has the roughly ringwise profile corresponding with the shape of wheel.As shown in Figure 1, dust-proof cover 1 has notch part 1a on the position suitable with the allocation position of disc-brake (clamp etc.).The core 1b of dust-proof cover 1 is formed with through hole 1c.As shown in Fig. 4 and Fig. 6, in through hole 1c, be inserted with wheel hub 3 and bearing 5.Bearing 5 rotates support cage 3 freely from outside.In addition, the surrounding of through hole 1c is formed with 4 mounting hole 1d around this through hole 1c.Be fixed on knuckle 6 by these mounting holes 1d dust-proof cover 1.Taking dust-proof cover 1 as boundary, the part that bearing 5 is positioned at vehicle interior side is diverted the joint 6 extension 6a that stretch out to vehicle outside direction and covers.Therefore, bearing 5 is extended the part that the 6a of portion covers and can touch water.In addition, for gaining in strength or avoiding and the interference of miscellaneous part, the surface of dust-proof cover 1 is provided with concaveconvex shape.
The top 1e of dust-proof cover 1 is formed with open pore 1f.Open pore 1f is for importing to discal rotor 2 from the air of under-vehicle.In addition, dust-proof cover 1 is also provided with downside protuberance 1g.As shown in Fig. 1～Fig. 3 A, downside protuberance 1g is outstanding to the oblique upper of vehicle outside from the lower limb 1h of open pore 1f, and extends along the fore-and-aft direction of vehicle., tilt angle theta is as shown in Figure 3A greater than 0 °.Downside protuberance 1g invades in bearing 5 from vehicle upside for anti-sealing.And the tilt angle theta of the size of open pore 1f, position and downside protuberance 1g, outstanding length, extended length can be adjusted accordingly to facilitate the importing of air and the intrusion of anti-sealing according to the concrete shape of the vent hole 2b of discal rotor 2.In the present embodiment, when forming open pore 1f, a part of top 1e forms downside protuberance 1g by cutting.The downside protuberance 1g of present embodiment cuts backward discal rotor 2 one sides (vehicle outside) bending by the upper end 1i of the position from forming open pore 1f to form.In addition, the side of dust-proof cover 1, bottom are also formed with open pore, but the water of invading from these open pores can not invaded bearing 5 just by the downside discharged to vehicle, and therefore the edge of these open pores does not all arrange protuberance.
Air path as shown in dotted arrow in Fig. 4 and Fig. 5, the air importing from vehicle lower side is directed in the vent hole 2b of discal rotor 2 by open pore 1f under the guiding of downside protuberance 1g.Thus, can improve the cooling performance of disc-brake.
In addition, water as shown in dot and dash line in Fig. 6 immerses path, invade and stoped by downside protuberance 1g and cannot invade to core 1b by the water of open pore 1f from vehicle upside, due to downside protuberance, 1g tilts to vehicle interior side, therefore can not touched bearing 5 discharged to the downside of vehicle towards the outer surface along the extension 6a of knuckle 6 after vehicle interior side direction trickling on the upper surface of downside protuberance 1g.Therefore, in the through hole 1c forming, insert under the state of bearing 5 at core 1b, the water that can reduce bearing 5 immerses.
The utility model is not limited to above-mentioned embodiment, can implement in every way.For example, protuberance is not limited to downside protuberance, upside protuberance 1l both can be set as shown in Figure 3 B like that, this upside protuberance 1l is outstanding to the oblique below of vehicle interior side from the top edge 1k of open pore 1j, and the fore-and-aft direction along vehicle extends, and also can downside protuberance 1g be like that not only set as shown in Figure 3 C but also upside protuberance 1l is set.In the situation that upside protuberance 1l is set, the lower end 1m that needs only the position from forming open pore 1j cuts backward vehicle interior side bending.On the other hand, in the situation that not only downside protuberance 1g being set but also upside protuberance 1l is set, as long as the part that becomes upside protuberance is bent to vehicle interior side from forming the centre of position of open pore cuts respectively round about, the part that becomes downside protuberance is bent to vehicle outside.In addition, protuberance is also not limited to cut after the part on top and bends and form, and for example, can be also to dig up the part on top and the top edge or the lower limb etc. that are fixed on open pore after forming open pore using the part of diging up as protuberance by methods such as welding.
In addition, arrange in the situation of upside protuberance 1l on dust-proof cover 1, the air importing from vehicle lower side is directed in the vent hole 2b of discal rotor 2 by open pore 1j under the guiding of upside protuberance 1l.Thus, can improve the cooling performance of disc-brake.In addition, the water of invading from vehicle upside is stoped and cannot invade by open pore 1j and towards core 1b by upside protuberance 1l, on the upper surface of upside protuberance 1l, can not touched bearing 5 towards the outer surface along the extension 6a of knuckle 6 after vehicle interior side direction trickling discharged to the downside of vehicle.Therefore, in the through hole 1c forming, insert under the state of bearing 5 at core 1b, the water that can reduce bearing 5 immerses.In addition, on dust-proof cover 1, not only downside protuberance 1g is set but also arrange in the situation of upside protuberance 1l, can improves in the nature of things the water immersion of cooling performance and the minimizing bearing 5 of disc-brake according to above-mentioned explanation.
Claims (3)
1. a brake dust, be set to cover from vehicle interior side the discal rotor being fixed on wheel hub, and core is formed with through hole, in this through hole, insert described wheel hub and rotate the bearing that supports freely described wheel hub from outside, it is characterized in that: top is formed with open pore, this open pore is for importing to described discal rotor from the air of vehicle lower side, also be provided with downside protuberance, this downside protuberance is outstanding to the oblique upper of vehicle outside from the lower limb of described open pore, and extends along the fore-and-aft direction of vehicle.
2. according to brake dust claimed in claim 1, it is characterized in that: be also provided with upside protuberance, this upside protuberance is outstanding to the oblique below of vehicle interior side from the top edge of described open pore, and extends along the fore-and-aft direction of vehicle.
3. a brake dust, be set to cover from vehicle interior side the discal rotor being fixed on wheel hub, and core is formed with through hole, in this through hole, insert described wheel hub and rotate the bearing that supports freely described wheel hub from outside, it is characterized in that: top is formed with open pore, this open pore is for importing to described discal rotor from the air of vehicle lower side, also be provided with upside protuberance, this upside protuberance is outstanding to the oblique below of vehicle interior side from the top edge of described open pore, and extends along the fore-and-aft direction of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224667.5U CN203836035U (en) | 2014-05-04 | 2014-05-04 | Brake dust shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224667.5U CN203836035U (en) | 2014-05-04 | 2014-05-04 | Brake dust shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836035U true CN203836035U (en) | 2014-09-17 |
Family
ID=51513880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420224667.5U Expired - Lifetime CN203836035U (en) | 2014-05-04 | 2014-05-04 | Brake dust shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020060247A (en) * | 2018-10-10 | 2020-04-16 | トヨタ自動車株式会社 | Brake dust cover |
| CN114450501A (en) * | 2019-09-27 | 2022-05-06 | 五十铃自动车株式会社 | Waterproof structure for disc brake of vehicle |
-
2014
- 2014-05-04 CN CN201420224667.5U patent/CN203836035U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020060247A (en) * | 2018-10-10 | 2020-04-16 | トヨタ自動車株式会社 | Brake dust cover |
| JP7056505B2 (en) | 2018-10-10 | 2022-04-19 | トヨタ自動車株式会社 | Brake dust cover |
| CN114450501A (en) * | 2019-09-27 | 2022-05-06 | 五十铃自动车株式会社 | Waterproof structure for disc brake of vehicle |
| CN114450501B (en) * | 2019-09-27 | 2024-04-05 | 五十铃自动车株式会社 | Water penetration preventing structure of disc brake of vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |