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WO2021073427A1 - Couvercle de protection de disque de frein et ensemble disque de frein - Google Patents

Couvercle de protection de disque de frein et ensemble disque de frein Download PDF

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Publication number
WO2021073427A1
WO2021073427A1 PCT/CN2020/118861 CN2020118861W WO2021073427A1 WO 2021073427 A1 WO2021073427 A1 WO 2021073427A1 CN 2020118861 W CN2020118861 W CN 2020118861W WO 2021073427 A1 WO2021073427 A1 WO 2021073427A1
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WO
WIPO (PCT)
Prior art keywords
protective cover
brake disc
cover body
cover
disc
Prior art date
Application number
PCT/CN2020/118861
Other languages
English (en)
Chinese (zh)
Inventor
刘萌
宋振翔
李敬豪
Original Assignee
恒大新能源汽车投资控股集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 恒大新能源汽车投资控股集团有限公司 filed Critical 恒大新能源汽车投资控股集团有限公司
Publication of WO2021073427A1 publication Critical patent/WO2021073427A1/fr

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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
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • 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
    • F16D65/00—Parts or details
    • F16D65/005—Components of axially engaging brakes not otherwise provided for
    • 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
    • F16D65/00—Parts or details
    • F16D65/78—Features relating to cooling
    • F16D65/84—Features relating to cooling for disc brakes
    • F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
    • 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

Definitions

  • This application relates to the technical field of automobile parts, and in particular to a brake disc protective cover and a brake disc assembly.
  • Floating caliper disc brakes are widely used in cars because of their light weight, simple structure, stable braking effect, and easy realization of self-adjusting brake clearance.
  • mud, sand, and stones often appear during driving.
  • Foreign matter enters the friction position between the friction lining and the brake disc through the gap of the floating caliper, which intensifies the loss of the friction lining and affects the braking performance. Therefore, a sheet metal part that matches the shape of the floating caliper disc brake is often designed to prevent debris. Entry guard.
  • the wrapping effect of the protective device often affects the heat dissipation of the floating caliper disc brake, causing the braking effect to be weakened; and due to the large diameter of the brake disc, in order to perfectly protect the brake disc, the protective device is often designed as a flat surface part.
  • Flat surface parts usually have weak structural strength and are prone to deformation.
  • the technical solution of the present application provides a brake disc protective cover, including a mounting disc and a protective cover;
  • the protective cover is installed on the mounting plate, and the protective cover surrounds the mounting plate;
  • the protective cover includes a first cover body, a second cover body and two oppositely arranged protective cover plates;
  • Two protective cover plates are installed oppositely on the upper and lower sides of the mounting plate, the first cover body is connected between the front ends of the two protective cover plates, and the second cover body is connected to the two plates. Between the rear ends of the shield plates;
  • the first cover body and the second cover body are respectively arranged inwardly on the protective cover plate, and at least one ventilation hole is provided on the side of the first cover body facing the second cover body ;
  • the edges of the two ends of the first cover are respectively connected to the front ends of the two shield flat plates through a first inclined plate, so that a step is formed between the first shield and the shield flat plate; At least one ventilation hole is provided on an inclined plate.
  • the present application also provides a brake disc assembly, including a brake disc, a wheel hub bearing, and the brake disc protective cover of any one of the foregoing;
  • a bearing mounting disk is provided on the hub bearing, and the brake disk shield and the brake disk are respectively located on the inner and outer sides of the bearing mounting disk;
  • the brake disc is fixedly mounted on the bearing mounting disc
  • the installation disc in the brake disc shield is sleeved on the hub bearing, and the installation disc is in clearance fit with the hub bearing;
  • the first cover body and the second cover body in the brake disc protective cover respectively protrude in a direction away from the brake disc.
  • the brake disc protective cover and brake disc assembly provided by this application can protect the brake disc by setting the protective cover on the mounting disc, and prevent foreign matter such as mud, sand, stones, etc. from entering the caliper and the brake disc through the gap of the caliper The friction position provides protection.
  • the protective cover By setting the protective cover as an arc-shaped first cover, an arc-shaped second cover and two oppositely arranged protective cover plates, the first cover and the second cover are respectively directed away from the brake disc.
  • Protrusions are provided, and a ventilation hole is provided on the side of the first cover facing the second cover, so that the heat generated by the brake disc during braking can be quickly taken away by the wind or airflow flowing through the ventilation hole to dissipate heat ,
  • the air enters the ventilation hole in the reverse direction to take away the heat generated during the braking process, which improves the heat dissipation of the caliper brake and has a good heat dissipation effect.
  • Figure 1 is a perspective view of a brake disc protective cover provided by one of the embodiments of the application;
  • Figure 2 is a front view of the brake disc protective cover provided by one of the embodiments of the application;
  • Figure 3 is a schematic diagram of air flow flowing through the vent
  • FIG. 4 is a schematic structural diagram of a brake disc assembly provided by one of the embodiments of the application.
  • Figure 5 is a cross-sectional view of a brake disc assembly provided by one of the embodiments of the application.
  • Figure 6 is an exploded view of the brake disc assembly provided by one of the embodiments of the application.
  • Fig. 7 is a partial cross-sectional view of the caliper, the brake disc, and the brake disc shield assembled together in one embodiment of the application.
  • the “inner” in this application refers to the direction in which the brake disc shield faces the middle of the vehicle during installation, and the “outer” in this application refers to the direction in which the brake disc shield faces the outside of the vehicle; this application
  • the “front” referred to in this refers to the direction toward the front of the vehicle during installation, and the “rear” referred to in this application refers to the direction toward the rear of the vehicle during installation.
  • a brake disc protective cover 100 provided by an embodiment of the present application includes a mounting disc 1 and an annular protective cover 2.
  • the protective cover 2 is installed on the mounting plate 1, and the protective cover 2 surrounds the mounting plate 1.
  • the protective cover 2 includes an arc-shaped first cover body 21, an arc-shaped second cover body 22 and two protective cover plates 23 arranged oppositely.
  • Two protective cover plates 23 are installed oppositely on the upper and lower sides of the mounting plate 1.
  • the first cover body 21 is connected between the front ends of the two protective cover plates 23, and the second cover body 22 is connected to the two protective cover plates 23. Between the back ends.
  • a cover notch 222 for installing a caliper is provided at the rear of the second cover 22.
  • the first cover body 21 and the second cover body 22 are respectively arranged inwardly on the protective cover plate 23, and at least one ventilation hole 24 is provided on the side of the first cover body 21 facing the second cover body 22.
  • the brake disc protective cover 100 provided in the present application is mainly used to be installed on the inner side of the brake disc, and has a protective effect on the inner side of the brake disc.
  • the outer side of the brake disc is protected by the wheel hub.
  • the brake disc protective cover 100 provided in the present application is mainly composed of a mounting disk 1 and a protective cover 2, and the protective cover 2 and the mounting disk 1 are integrally formed.
  • the mounting disk 1 is used to sleeve on the wheel hub bearing, and the protective cover 2 surrounds the mounting disk 1.
  • the protective cover 2 is mainly composed of a first cover body 21, a second cover body 22 and two protective cover flat plates 23 arranged oppositely.
  • the first cover body 21 and the second cover body 22 are respectively arc-shaped.
  • the inner edges of the first cover body 21, the second cover body 22 and the protective cover plate 23 are respectively connected to the mounting tray 1.
  • Two protective cover plates 23 are installed on the upper and lower sides of the mounting plate 1 oppositely.
  • One protective cover plate 23 is mounted on the upper part of the mounting plate 1, and the other protective cover plate 23 is mounted on the lower part of the mounting plate 1.
  • the first cover body 21 is integrally formed with two protective cover plates 23, and the first cover body 21 is connected between the front ends of the two protective cover plates 23.
  • the second cover body 22 is integrally formed with two protective cover plates 23, and the second cover body 22 is connected between the rear ends of the two protective cover plates 23.
  • the cover notch 222 is provided at the rear end of the second cover 22 and is used to accommodate a part of the caliper.
  • a stepped structure is formed between the first cover body 21 and the protective cover plate 23, and the first cover body 21 is arranged protruding inward on the protective cover plate 23, or the first cover body 21 faces away from the control plate 23 on the protective cover plate 23.
  • the direction of the moving plate is convex.
  • a stepped structure is formed between the second cover body 22 and the protective cover plate 23, and the second cover body 22 is arranged protruding inward on the protective cover plate 23, or the second cover body 22 faces away from the control plate on the protective cover plate 23.
  • the direction of the moving plate is convex.
  • a ventilation hole 24 is provided on the first cover body 21, and the ventilation hole 24 faces the direction of the second cover body 22.
  • the brake disc protective cover provided by the present application can protect the brake disc by setting the protective cover 2 on the mounting disc 1 to prevent foreign matter such as mud, sand, stones, etc. from entering the gap between the caliper and the brake disc.
  • the friction position provides protection.
  • the brake disc protective cover provided by the present application is provided by setting the protective cover 2 as an arc-shaped first cover body 21, an arc-shaped second cover body 22 and two oppositely arranged protective cover plates 23, and the first A cover body 21 and a second cover body 22 are respectively protrudingly arranged in the direction away from the brake disc.
  • a ventilation hole 24 is provided on the side of the first cover body 21 facing the second cover body 22, so that the brake disc is The heat generated during braking can be quickly taken away by the wind or airflow flowing through the vent 24 to dissipate heat.
  • the air enters the vent 24 in the reverse direction to take away the heat generated during the braking process and improve the heat dissipation of the caliper brake. It has good heat dissipation effect.
  • the outer surface of the first cover body 21 is a first plane 211
  • the outer surface of the second cover body 22 is a second plane 221
  • the first plane 211 is connected to the first plane 211.
  • the two flat surfaces 221 are flush, which improves the surface flatness of the protective cover 2 and facilitates installation.
  • the edges of the two ends of the first cover body 21 are respectively connected to the front ends of the two protective cover plates 23 through the first inclined plate 25.
  • At least one vent hole 24 is provided on the first inclined plate 25.
  • the first inclined plate 25 extends obliquely inward, one end of which is connected to the edge of the end of the first cover body 21, and the other end is connected to the front end of the protective cover plate 23.
  • a step is formed between the first cover body 21 and the protective cover plate 23.
  • the first inclined plate 25, the first cover body 21 and the protective cover plate 23 are integrally formed to improve the structural strength.
  • Each first inclined plate 25 is provided with a ventilation hole 24, the ventilation hole 24 faces the direction of the second cover 22, and the heat in the caliper or brake disc can be quickly taken away by the wind flow, and the heat dissipation effect is improved.
  • the edges of the two ends of the second cover 22 are respectively connected to the rear end of the protective cover plate 23 through the third inclined plate 28.
  • the third inclined plate 28 extends inwardly, so that the second cover 22 and the protective cover plate 23 are separated from each other. Form a step.
  • the third inclined plate 28, the second cover body 22 and the protective cover plate 23 are integrally formed to improve the structural strength.
  • the arc-shaped edge of the rear side of the first cover body 21 is connected to the mounting plate 1 through an arc-shaped second inclined plate 26.
  • At least one ventilation hole 24 is provided on the second inclined plate 26.
  • the second inclined plate 26 extends obliquely, and it extends obliquely inward. One end of the second inclined plate 26 is connected to the mounting plate 1, and the other end thereof is connected to the arc-shaped edge of the rear side of the first cover body 21, so that a step is formed between the rear side of the first cover body 21 and the mounting plate 1 .
  • At least one ventilation hole 24 is provided on the second inclined plate 26, so that the second inclined plate 26 faces the cover notch 222, which facilitates the rapid discharge of heat in the caliper through the ventilation holes 24 on the second inclined plate 26 and improves the heat dissipation effect .
  • two vent holes 24 are arranged at intervals on the second inclined plate 26 to increase the air flow rate and improve the heat dissipation effect.
  • the first cover body 21, the second inclined plate 26 and the mounting plate 1 are integrally formed to improve the structural strength.
  • a plane notch 212 is provided on the first plane 211, and the plane notch 212 communicates with the ventilation hole 24 on the second inclined plate 26, which expands the ventilation hole.
  • the aperture or size of the hole increases the amount of ventilation, thereby improving the heat dissipation effect.
  • the edges of the first cover 21, the second cover 22 and the protective cover plate 23 are respectively provided with outwardly extending cover flanges 27 for wrapping It is covered on the periphery of the brake disc to prevent sand and gravel particles from entering the brake disc and improve the protection performance of the brake disc.
  • the protective cover plate 23 is protruding inwardly on the mounting plate 1, thereby forming a step between the mounting plate 1 and the protective cover plate 23, and the protective cover plate 23 Protruding toward the interior of the car, it can form a gap with the outer parts to avoid interference with the rotation of the brake disc.
  • the middle of the mounting plate 1 has a central circular hole 11, and a plurality of mounting positioning holes 12 are arranged on the mounting plate 1 around the central circular hole 11.
  • the central circular hole 11 is used to be sleeved on the hub bearing, and it is in clearance fit with the hub bearing.
  • the mounting disk 1 is used to be fixedly installed on the steering knuckle, so that the mounting disk 1 is fixed relative to the hub bearing, so that the mounting disk 1 will not rotate with the hub bearing.
  • the mounting positioning holes 12 are used for bolts to pass through to fix the mounting plate 1 on the steering knuckle.
  • a brake disc assembly provided by the present application includes a brake disc 3, a hub bearing 4, and the brake disc shield 100 described in any of the foregoing embodiments.
  • the hub bearing 4 is provided with a bearing mounting disk 41, and the brake disk shield 100 and the brake disk 3 are respectively located on the inner and outer sides of the bearing mounting disk 41.
  • the brake disc 3 is fixedly installed on the bearing installation disc 41, the installation disc 1 in the brake disc protective cover 100 is sleeved on the hub bearing 4, and the installation disc 1 and the hub bearing 4 are in clearance fit.
  • the first cover body 21 and the second cover body 22 in the brake disc protective cover 100 respectively protrude in a direction away from the brake disc 3.
  • the brake disc assembly provided in the present application is mainly composed of a brake disc 3, a wheel hub bearing 4 and a brake disc protective cover 100.
  • the hub bearing 4 is used for connecting with the automobile half shaft, and a spline 42 is provided in the hub bearing 4, and the spline 42 is connected with the spline on the automobile half shaft for transmitting torque.
  • the outer surface of the hub bearing 4 is provided with a bearing mounting disk 41, the brake disk 3 is located outside the bearing mounting disk 41, and the brake disk guard 100 is located inside the bearing mounting disk 41.
  • the brake disc 3 is mounted on the bearing mounting disc 41 by bolts 7. The bolt 7 installs the hub and the brake disc 3 on the bearing mounting disc 41 together.
  • the installation disc 1 in the brake disc protective cover 100 is sleeved on the hub bearing 4, the installation disc 1 is in clearance fit with the hub bearing 4, and the installation disc 1 is installed on the steering knuckle 6. Due to the clearance fit between the mounting disc 1 and the hub bearing 4, when the hub bearing 4 rotates, the mounting disc 1 remains fixed on the steering knuckle 6 and does not rotate with the hub bearing 4.
  • the first cover body 21 and the second cover body 22 respectively bulge in the direction away from the brake disc 3, that is, inwardly bulge, while protecting the brake disc 3, it can also maintain the preset with the brake disc 3 Distance to avoid interference with the rotation of the brake disc 3.
  • the ventilation hole 24 on the first cover 21 faces the second cover 22.
  • the wind can quickly take away the heat emitted by the brake disc and the caliper through the ventilation hole 24, which improves the heat dissipation effect and improves the braking.
  • the braking performance of the disc is improved.
  • the brake disc assembly further includes a steering knuckle 6 for connecting with a vehicle suspension and a caliper 5 fixedly mounted on the steering knuckle 6.
  • the steering knuckle 6 is sleeved on the hub bearing 4 and is in clearance fit with the hub bearing 4.
  • the mounting plate 1 is fixedly mounted on the steering knuckle 6.
  • the caliper 5 is installed on the steering knuckle 6, and the caliper 5 is located on the rear side of the brake disc 3.
  • At least part of the brake disc 3 is located in the jaw 51 of the caliper 5, and a part of the caliper 5 is located in the notch 222 of the cover body.
  • One end of the steering knuckle 6 is connected to the vehicle suspension, and the other end is sleeved on the hub bearing 4, and is in clearance fit with the hub bearing 4, so that the steering knuckle 6 remains stationary relative to the hub bearing 4 and will not follow the hub bearing 4 Rotate.
  • the rotating disc 1 is mounted on the steering knuckle 6 by bolts 8.
  • the caliper 5 is fixedly installed on the steering knuckle 6, and the main part of the caliper 5 is located on the rear side of the brake disc 3.
  • the caliper 5 has a caliper 51, and a part of the edge of the brake disc 3 is located in the caliper 51.
  • the caliper 5 operates and presses the brake disc 3 through the friction lining or the caliper sheet shrinking the caliper 51 to increase Friction to achieve braking.
  • a part of the caliper 5 is located in the notch 222 of the cover body, which facilitates the installation of the caliper and avoids interference.
  • the brake disc protective cover and brake disc assembly provided by the present application can protect the brake disc by setting the protective cover on the mounting disc, and prevent foreign objects such as mud, sand, stones, etc. from entering through the gap of the caliper.
  • the friction position between the caliper and the brake disc provides protection.
  • the protective cover as an arc-shaped first cover, an arc-shaped second cover and two oppositely arranged protective cover plates, the first cover and the second cover are respectively directed away from the brake disc.
  • Protrusions are provided, and a ventilation hole is provided on the side of the first cover facing the second cover, so that the heat generated by the brake disc during braking can be quickly taken away by the wind or airflow flowing through the ventilation hole to dissipate heat ,
  • the air enters the ventilation hole in the reverse direction to take away the heat generated during the braking process, which improves the heat dissipation of the caliper brake and has a good heat dissipation effect.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

La présente invention porte sur un couvercle de protection de disque de frein (100) et un ensemble de disque de frein, comprenant un disque de montage (1) et un couvercle de protection (2), le couvercle de protection (2) étant monté sur le disque de montage (1); le couvercle de protection (2) comprend un premier corps de couvercle (21), un second corps de couvercle (22) et deux plaques de couvercle de protection (23) disposées de manière opposée; le premier corps de couvercle (21) et le second corps de couvercle (22) sont disposés sur les plaques de couvercle de protection (23) respectivement et font saillie vers l'intérieur, et au moins un trou de ventilation (24) est disposé sur un côté du premier corps de couvercle (21) faisant face au second corps de couvercle (22); et les bords des deux extrémités du premier corps de couvercle (21) sont reliés aux extrémités avant des deux plaques de couvercle de protection (23) respectivement en utilisant des premières plaques inclinées (25), et au moins un trou de ventilation (24) est disposé sur les premières plaques inclinées (25). La solution technique présente une fonction de ventilation, ce qui permet d'améliorer l'effet de dissipation de chaleur et d'améliorer les performances de freinage.
PCT/CN2020/118861 2019-10-17 2020-09-29 Couvercle de protection de disque de frein et ensemble disque de frein WO2021073427A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910990172.0A CN110617282A (zh) 2019-10-17 2019-10-17 一种制动盘防护罩及制动盘组件
CN201910990172.0 2019-10-17

Publications (1)

Publication Number Publication Date
WO2021073427A1 true WO2021073427A1 (fr) 2021-04-22

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ID=68925956

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/118861 WO2021073427A1 (fr) 2019-10-17 2020-09-29 Couvercle de protection de disque de frein et ensemble disque de frein

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CN (1) CN110617282A (fr)
WO (1) WO2021073427A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110617282A (zh) * 2019-10-17 2019-12-27 恒大新能源汽车科技(广东)有限公司 一种制动盘防护罩及制动盘组件
CN118257801A (zh) * 2024-05-31 2024-06-28 江苏三志制动器有限公司 一种汽车制动器防尘用防尘罩

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Publication number Priority date Publication date Assignee Title
CN2560556Y (zh) * 2002-08-27 2003-07-16 杨晓林 摩托车液压刹车盘保护罩
CN200949619Y (zh) * 2006-07-24 2007-09-19 四川成都成工工程机械股份有限公司 带防尘保护罩的干式钳盘式制动器
US20130048441A1 (en) * 2011-08-30 2013-02-28 Wayne-Ian Moore Cooling device for a brake clamp
EP3156254A1 (fr) * 2015-10-15 2017-04-19 Goodrich Corporation Joint de roue trapézoïdal court
CN205078656U (zh) * 2015-11-12 2016-03-09 西安航空学院 一种散热内磨损汽车刹车盘
CN205423618U (zh) * 2016-04-11 2016-08-03 许昌学院 一种新型智能浮钳盘式制动器
CN110617282A (zh) * 2019-10-17 2019-12-27 恒大新能源汽车科技(广东)有限公司 一种制动盘防护罩及制动盘组件
CN210978292U (zh) * 2019-10-17 2020-07-10 恒大新能源汽车科技(广东)有限公司 一种制动盘防护罩及制动盘组件

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110617282A (zh) * 2019-10-17 2019-12-27 恒大新能源汽车科技(广东)有限公司 一种制动盘防护罩及制动盘组件
CN118257801A (zh) * 2024-05-31 2024-06-28 江苏三志制动器有限公司 一种汽车制动器防尘用防尘罩

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