Hub decorative cover

Abstract

A hub decorative cover comprises a plastic body and a fixing device arranged on the back face of the plastic body, and the fixing device comprises a first clamping foot mechanism arranged in the middle of the back face of the plastic body and a plurality of second clamping foot mechanisms arranged on the periphery of the first clamping foot mechanism. A plurality of limiting pieces which are circumferentially and uniformly distributed are arranged between the first clamping pin mechanism and the second clamping pin mechanisms, the limiting pieces are arranged around the first clamping pin mechanism, the two sides of each limiting piece are bent inwards in an arc shape, the number of the limiting pieces is the same as that of the second clamping pin mechanisms, and each limiting piece is arranged between every two adjacent second clamping pin mechanisms; a plurality of circumferentially distributed limiting plates are arranged on the back surface of the plastic body close to the outer side edge; and the limiting plates form arc-shaped bending along the radian of the outer side edge of the plastic body. The extrusion force borne by the second clamping foot is reduced through the acting force between the limiting piece and the spokes, and the extrusion force borne by the first clamping foot is reduced through the acting force between the limiting plate and the rim.

Description

Technical Field

[0001] The utility model relates to automobile parts, in particular to a hub decorative cover. Background Art

[0002] The hub decorative cover belongs to the automobile hub decorative part. The existing hub decorative covers mainly include a large plate decorative cover for completely covering the hub and a hub center cover for covering the hub center axis. For the large plate decorative cover, due to its large area, it needs a clamping foot fixed to the shaft hole and a clamping foot fixed to the hub spoke to fix it reliably, such as a hub decorative cover with Chinese patent publication number CN220973796U, which includes a main body and a fixing mechanism arranged on the back of the main body, the fixing mechanism includes a plurality of first clamping feet arranged on the back of the center part and a plurality of second clamping feet arranged on the outer edge of the back of the blade plate; the first clamping feet are evenly distributed on the circumference, and a spring ring is arranged in the circumference surrounded by the first clamping feet, and the spring ring is against the inner side surface of the first clamping foot; the second clamping foot includes a second clamping seat, a second vertical plate arranged on the second clamping seat, a second side plate arranged on both sides of the second vertical plate, a fixed clamping plate arranged between the two second side plates and connected to the second vertical plate, an elastic clamping plate arranged between the two second side plates and located above the fixed clamping plate, and a metal clamp arranged between the fixed clamping plate and the elastic clamping plate. When the wheel hub rotates at high speed, the decorative cover is subjected to a large centrifugal force. Since the first clamping foot is engaged with the wheel hub axle hole, a huge extrusion pressure is generated between the first clamping foot and the inner wall of the wheel hub axle hole. Since the second clamping foot is engaged with the wheel hub spoke, a huge extrusion pressure is generated between the second clamping foot and the side wall of the spoke. After long-term use, the first clamping foot and the second clamping foot are prone to breakage. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a hub decorative cover, which is helpful to reduce the force on the first clamping foot and the second clamping foot.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a hub decorative cover, comprising a plastic body and a fixing device arranged on the back of the plastic body, the fixing device comprising a first foot mechanism arranged in the middle position of the back of the plastic body and a plurality of second foot mechanisms arranged on the periphery of the first foot mechanism, the first foot mechanism comprising a plurality of first foot mechanisms evenly distributed circumferentially and a spring ring arranged on the inner side of the first foot mechanism, the second foot mechanism comprising a base fixed on the plastic body, second foot mechanisms arranged at both ends of the base and a metal clip arranged between the two second foot mechanisms; a plurality of circumferentially evenly distributed limiting plates are arranged between the first foot mechanism and the second foot mechanism, the limiting plates are arranged around the first foot mechanism, the two sides of the limiting plates are curved inwardly in an arc shape, the number of the limiting plates is the same as the number of the second foot mechanisms, and the limiting plates are arranged in the middle position of two adjacent second foot mechanisms; a plurality of circumferentially distributed limiting plates are arranged on the back of the plastic body near the outer edge, and the limiting plates are curved in an arc shape along the curvature of the outer edge of the plastic body. The principle of the utility model is as follows: after the decorative cover is installed on the front face of the wheel hub, the first clamping foot is engaged with the inner wall of the axial hole of the wheel hub, the second clamping foot is engaged with the side wall of the wheel hub spoke, the limiting piece is located between adjacent spokes, and the limiting plate is against the inner wall of the rim, and the force between the limiting piece and the spoke is utilized to reduce the extrusion force on the second clamping foot, and the force between the limiting plate and the rim is utilized to reduce the extrusion force on the first clamping foot.

[0005] As an improvement, a groove is formed on the front side of the plastic body corresponding to the first clamping foot mechanism, a protrusion is formed on the back side of the plastic body corresponding to the groove, and the first clamping foot is arranged on the protrusion.

[0006] As an improvement, the first clamping foot includes a first vertical plate and a first clamping platform arranged at the upper end of the first vertical plate, a lower boss is formed in the middle of the inner side of the first vertical plate, an upper boss is formed in the middle of the inner side of the first clamping platform, a limiting groove is formed between the upper boss and the lower boss, and the spring ring passes through the limiting groove.

[0007] As an improvement, blocking pieces are provided on both sides of the clamping seat, and the metal clamp is arranged in a limiting groove surrounded by the second clamping foot and the blocking piece.

[0008] Compared with the prior art, the utility model has the following beneficial effects:

[0009] The action force between the limiting plate and the spoke is used to reduce the extrusion force on the second clamping foot, and the action force between the limiting plate and the rim is used to reduce the extrusion force on the first clamping foot. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the back side of the utility model.

[0011] Figure 2 for Figure 1 Enlarged view of point A.

[0012] Figure 3 for Figure 1 Enlarged view of point B. DETAILED DESCRIPTION

[0013] The utility model will be further described below in conjunction with the accompanying drawings.

[0014] like Figures 1 to 3 As shown, a hub decorative cover comprises a plastic body 1 and a fixing device arranged on the back of the plastic body 1, wherein the fixing device comprises a first foot mechanism 2 arranged in the middle of the back of the plastic body 1 and a plurality of second foot mechanisms 3 arranged on the periphery of the first foot mechanism 2. The first foot mechanism 2 comprises a plurality of first foot members 21 evenly distributed in a circumference and a spring ring arranged inside the first foot member 21; the first foot member 21 comprises a first vertical plate and a first clamping platform arranged on the upper end of the first vertical plate, a lower boss 22 is formed in the middle of the inner side of the first vertical plate, an upper boss 23 is formed in the middle of the inner side of the first clamping platform, a limiting groove 24 is formed between the upper boss 23 and the lower boss 22, and the spring ring passes through the limiting groove 24; a groove is formed on the front side of the plastic body 1 corresponding to the first foot mechanism, a label can be arranged in the groove, a bulge is formed on the back side of the plastic body 1 corresponding to the groove, the first foot member 21 is arranged on the bulge, and the design of the groove can enhance the structural strength of the location, reduce deformation, and improve the reliability of the first foot member. The second clamping foot mechanism 3 includes a clamping base 31 fixed on the plastic body 1, second clamping feet 32 ​​arranged at both ends of the clamping base 31 and a metal clamp 34 arranged between the two second clamping feet 32; blocking pieces 35 are arranged on both sides of the clamping base 31, and the metal clamp 34 is arranged in a limiting groove surrounded by the second clamping feet 32 ​​and the blocking piece 35; the metal clamp 34 is U-shaped, and includes two symmetrically arranged spring pieces, and the spring pieces are provided with through holes, and the inner side of the second clamping foot is provided with a limiting platform, the spring piece is abutted against the inner side of the second clamping foot, and the limiting platform is arranged in the through hole. A plurality of circumferentially evenly distributed limiting plates 4 are provided between the first foot mechanism 2 and the second foot mechanism 3. The limiting plates 4 are provided around the first foot mechanism 2. Both sides of the limiting plates 4 are curved inwardly. The number of the limiting plates 4 is the same as the number of the second foot mechanism 3. The limiting plates 4 are provided in the middle of two adjacent second foot mechanisms 3. After the decorative cover is assembled, the curved sides of the limiting plates 4 abut against the spoke side walls. A plurality of circumferentially distributed limiting plates 5 are provided on the back of the plastic body 1 near the outer edge. The limiting plates 5 are curved along the curvature of the outer edge of the plastic body 1. After the decorative cover is assembled, the limiting plates 5 abut against the inner side of the rim.

[0015] Principle of the utility model: after the decorative cover is installed on the front side of the wheel hub, the first clamping foot is engaged with the inner wall of the axial hole of the wheel hub, the second clamping foot is engaged with the side wall of the wheel hub spoke, the limiting piece 4 is located between adjacent spokes, and the limiting plate 5 is against the inner wall of the rim, and the force between the limiting piece 4 and the spoke is used to reduce the extrusion force on the second clamping foot, and the force between the limiting plate 5 and the rim is used to reduce the extrusion force on the first clamping foot.

Claims

1. A hub decorative cover, comprising a plastic body and a fixing device arranged on the back of the plastic body, the fixing device comprising a first foot mechanism arranged in the middle of the back of the plastic body and a plurality of second foot mechanisms arranged on the periphery of the first foot mechanism, the first foot mechanism comprising a plurality of first foots evenly distributed in a circumference and a spring ring arranged inside the first foot, the second foot mechanism comprising a clamping seat fixed on the plastic body, second foots arranged at both ends of the clamping seat and a metal clamp arranged between the two second foots; characterized in that: A number of circumferentially evenly distributed limiting plates are provided between the first clamping foot mechanism and the second clamping foot mechanism, the limiting plates are arranged around the first clamping foot mechanism, the two sides of the limiting plates are curved inwardly, the number of the limiting plates is the same as the number of the second clamping foot mechanisms, and the limiting plates are arranged in the middle position of two adjacent second clamping foot mechanisms; a number of circumferentially distributed limiting plates are provided on the back side of the plastic body near the outer edge, the limiting plates are curved along the curvature of the outer edge of the plastic body.

2. The hub decorative cover according to claim 1, characterized in that: A groove is formed on the front side of the plastic body corresponding to the first clamping foot mechanism, a protrusion is formed on the back side of the plastic body corresponding to the groove, and the first clamping foot is arranged on the protrusion.

3. The hub decorative cover according to claim 1, characterized in that: The first clamping foot includes a first vertical plate and a first clamping platform arranged at the upper end of the first vertical plate, a lower boss is formed in the middle of the inner side of the first vertical plate, an upper boss is formed in the middle of the inner side of the first clamping platform, a limiting groove is formed between the upper boss and the lower boss, and the spring ring passes through the limiting groove.

4. The hub decorative cover according to claim 1, characterized in that: Blocking pieces are arranged on both sides of the clamping seat, and the metal clamp is arranged in a limiting groove surrounded by the second clamping foot and the blocking piece.

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