挡泥板装置和自行车

Abstract

本实用新型公开一种挡泥板装置和自行车，其中，挡泥板装置包括挡泥板和安装支架，挡泥板具有沿第一方向分布且相连接的连接段和延伸段，延伸段能够沿第一方向卷曲并具有展开状态和卷收状态，处于展开状态的延伸段呈长条状，处于卷收状态的延伸段呈筒状；安装支架包括相连接的第一安装部和第二安装部，第二安装部具有远离第一安装部的限位端面，挡泥板超出限位端面的部分配置为延伸段，延伸段配置为第二遮挡结构，连接段或第二安装部配置为第一遮挡结构；第一遮挡结构和第二遮挡结构的总长度为M，(M‑N)与M的比值取值范围为1 / 4至1 / 2。本实用新型技术方案能够改善挡泥板因抖动幅度大而导致其上的水四处飞溅的问题。

Claims

1. A mudguard arrangement characterised in that, The mudguard device has a first shielding structure and a second shielding structure distributed along a first direction, the mudguard device comprising: A mudguard extending along the first direction, having connecting segments and extension segments distributed and connected along the first direction, the extension segments being capable of curling along the first direction and having an unfolded state and a retracted state; the extension segment in the unfolded state is elongated, and the extension segment in the retracted state is cylindrical; and The mounting bracket includes a first mounting portion and a second mounting portion connected to each other. The first mounting portion is used for mounting to the vehicle body, and the second mounting portion is connected to the connecting section. The second mounting portion has a limiting end face away from the first mounting portion. The portion of the mudguard extending beyond the limiting end face is configured as an extension section, which is configured as a second shielding structure. The connecting section or the second mounting portion is configured as the first shielding structure. The length of the extension section is N, and N ranges from 200mm to 380mm. The total length of the first shielding structure and the second shielding structure is M, and the ratio of (MN) to M ranges from 1 / 4 to 1 / 2.

2. The mud guard device according to claim 1, characterized in that N ranges from 250mm to 350mm, and M ranges from 380mm to 500mm; and / or The ratio of N to M is 25 / 48, 10 / 19, 7 / 13, 13 / 24, 25 / 46, 13 / 23, 25 / 44, 7 / 12, 13 / 22, 25 / 42, 14 / 23, 13 / 21, 5 / 8, 7 / 11, 13 / 20, 25 / 38, 15 / 23, 2 / 3, 15 / 22, 16 / 23, 7 / 10, 17 / 24, 5 / 7, 8 / 11, 35 / 48, or 17 / 23; and / or The mudguard includes a plate frame and a covering element covering the outer surface of the plate frame. The width of the covering element ranges from 60mm to 100mm, and the width of the plate frame ranges from 45mm to 55mm. The plate frame is configured as an elastic steel sheet. The covering element is configured as a silicone or rubber material.

3. The mud guard device of claim 1, wherein The total length of the mudguard ranges from 280mm to 320mm. The second mounting part has a plate-like structure and is configured as the first shielding structure. The limiting end face is provided with an insertion hole. One end of the mudguard is inserted into the insertion hole, and the part of the mudguard inserted into the insertion hole is configured as the connecting section. The length of the connecting section ranges from 30mm to 80mm.

4. A mudguard arrangement as claimed in claim 3, characterised in that, The connecting segment is connected to the wall of the socket by fasteners.

5. A mudguard arrangement as claimed in claim 4, characterised in that, The fastener is configured as a bolt and nut pair. The two opposite sidewalls of the insertion hole are respectively provided with a first hole and a second hole. The connecting section is provided with a third hole. The outer end face of the first hole is provided with an installation sleeve for the nut to be fitted and inserted. The bolt passes through the first hole, the third hole and the second hole in sequence and is threadedly connected to the nut.

6. The mud guard device of claim 3, wherein The first mounting portion includes intersecting first and second plate segments. The first plate segment has mounting holes, which are used to mount the component onto the vehicle frame via fasteners. The second plate segment connects the first plate segment and the second mounting portion. The first and second mounting portions are integrally formed; and / or The length of the second mounting part in the first direction ranges from 80mm to 180mm, and the peripheral side of the second mounting part is adapted to conform to the peripheral side of the extension section.

7. The mud guard device of claim 1, wherein The total length of the mudguard ranges from 380mm to 500mm. The connecting section is configured as the first shielding structure. The second mounting part includes an intersecting main plate section and a secondary plate section. The main plate section extends along the first direction, and the secondary plate section extends along the width direction of the mudguard. The end face of the secondary plate section near the extension section is configured as the limiting end face.

8. A mudguard arrangement as claimed in claim 7, characterised in that, The sub-plate segments are spaced apart along the first direction, and the end face of the sub-plate segment furthest from the first mounting portion that is closest to the extension segment is configured as the limiting end face. At least the sub-plate segment closest to the extension segment is connected to the connecting segment by fasteners; and / or The main board segment and the sub-board segment are located on the lower surface of the connecting segment.

9. A mudguard arrangement as claimed in any one of claims 1 to 8, characterised in that, The extension section includes a plate frame configured as an elastic plate-like structure. When the extension section is in the unfolded state, the cross-section of the plate frame perpendicular to the first direction extends along an arc, with the upper surface of the plate frame forming a convex arc surface and the lower surface forming a concave arc surface; when the extension section is in the retracted state, the cross-section of the plate frame perpendicular to the first direction extends along a straight line; and / or The mudguard includes a plate frame and a covering. The plate frame extends along the first direction and has two first side edges located on both sides of the first direction and two second side edges located at both ends of the first direction. The covering includes a covering layer and a rib. The covering layer covers the outer surface of the plate frame, and the rib protrudes from the upper surface of the covering layer at least corresponding to the first side edge, so that the projection area of ​​the rib toward the plate frame covers the first side edge. The rib is used to cover the first side edge.

10. A bicycle characterized in that, The vehicle includes a frame, wheels rotatably connected to the frame, and a mudguard device as claimed in any one of claims 1 to 9, wherein the mudguard of the mudguard device is disposed on the frame and located above or to the side of the wheels.

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