浮动卡钳以及车辆

Abstract

本申请公开了一种浮动卡钳以及车辆，浮动卡钳包括：钳体、支架以及减摩件，钳体上设置有导向销，支架上设置有穿设导向销的导向孔，以使钳体可运动地设置于支架，减摩件设置在导向销的外周壁与导向孔的内壁之间，且减摩件与外周壁相连，并与内壁相抵，或减摩件与内壁相连，并与外周壁相抵，以使外周壁与内壁在导向销的径向上至少部分间隔开。根据本申请实施例的浮动卡钳，通过在导向销与导向孔之间设置减摩件，可以降低导向销相对导向孔运动过程中的阻力，以降低拖滞力矩，一方面，可以延长摩擦片的使用寿命，另一方面，可以降低车辆的能耗，降低使用成本，并缓解续航焦虑。

Claims

1. A floating caliper characterized in that, include: The clamp body (10) is provided with a guide pin (11); A bracket (20) is provided with a guide hole (21) through which the guide pin (11) passes, so that the clamp body (10) is movably disposed on the bracket (20); A friction damping component (30) is disposed between the outer peripheral wall (a) of the guide pin (11) and the inner wall (b) of the guide hole (21), and the friction damping component (30) is connected to the outer peripheral wall (a) and abuts against the inner wall (b), or the friction damping component (30) is connected to the inner wall (b) and abuts against the outer peripheral wall (a), so that the outer peripheral wall (a) and the inner wall (b) are at least partially spaced apart in the radial direction of the guide pin (11).

2. The floating caliper according to claim 1, characterized in that, There are at least three friction damping components (30), and the friction damping components (30) are arranged circumferentially around the guide pin (11).

3. Floating caliper according to claim 1 or 2, characterized in that The friction-reducing component (30) is constructed as a rib (31), which is formed on the outer peripheral wall (a) and abuts against the inner wall (b), or the rib (31) is formed on the inner wall (b) and abuts against the outer peripheral wall (a).

4. The floating caliper according to claim 3, wherein, The axial end of the rib (31) is provided with a transition surface, which is constructed as an arc surface or an inclined surface.

5. The floating caliper according to claim 1 or 2, characterized in that, The friction-reducing component (30) includes: a retainer (32) and a rolling element (33) disposed on the retainer (32). The retainer (32) is connected to the guide pin (11) or the guide hole (21). The rolling element (33) is rotatably disposed on the retainer (32) and abuts against the inner wall (b).

6. The floating caliper according to claim 5, wherein, The retainer (32) is sleeved on the guide pin (11), the guide pin (11) is provided with a first clearance groove (111), the first clearance groove (111) is used to accommodate at least a portion of the rolling element (33), and / or the retainer (32) is disposed in the guide hole (21), the inner wall (b) of the guide hole (21) is provided with a second clearance groove (211), the second clearance groove (211) is used to accommodate at least a portion of the rolling element (33).

7. The floating caliper according to claim 5, wherein, The friction-reducing component (30) further includes: a fixing sleeve (34), which is installed on the guide pin (11) or the guide hole (21), and the retainer (32) is connected to the fixing sleeve (34).

8. The floating caliper according to claim 7, characterized in that, The fixed sleeve (34) is provided with a third clearance groove (341) for accommodating at least a portion of the rolling element (33).

9. The floating caliper according to claim 7, wherein, The guide pin (11) includes a first shaft segment (112) and a second shaft segment (113), the outer diameter of the second shaft segment (113) is smaller than the inner diameter of the first shaft segment (112), and the fixing sleeve (34) is disposed on the first shaft segment (112); or the guide hole (21) includes a first hole segment and a second hole segment, the inner diameter of the second hole segment is larger than the inner diameter of the second hole segment, and the fixing sleeve (34) is disposed on the second hole segment.

10. The floating caliper according to claim 5, wherein, The retainer (32) includes a first retaining section (321) and a second retaining section (322), both of which are provided with the rolling element (33), and the first retaining section (321) and the second retaining section (322) are connected to the guide pin (11) at both ends of the guide pin (11).

11. The floating caliper according to claim 10, wherein, The guide pin (11) includes a main shaft section (114) and end shaft sections (115) located at both ends of the main shaft section (114). The outer diameter of the main shaft section (114) is larger than the outer diameter of the end shaft section (115). The first retaining section (321) and the second retaining section (322) are respectively disposed at both ends of the main shaft section (114).

12. The floating caliper according to claim 11, wherein, The friction-reducing component (30) further includes a fixing component, which is installed on the end shaft section (115), and the outer diameter of the fixing component is greater than the inner diameter of the retainer (32) and smaller than the outer diameter of the retainer (32).

13. The floating caliper of claim 5 wherein, There are multiple rolling elements (33), and the multiple rolling elements (33) are arranged in a row in the circumferential direction of the guide pin (11). Each row of rolling elements (33) has at least two, and each row of rolling elements (33) is spaced apart in the axial direction of the guide pin (11).

14. A vehicle characterized by comprising: include: The floating caliper according to any one of claims 1-13.

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