A wheel hub trim device

Abstract

A hub decoration device comprises a centrifugal lifting mechanism arranged at the center of the surface of a hub, a plurality of inlays arranged around the circumference of the centrifugal lifting mechanism, and inlay pieces arranged between adjacent inlays, one end of the inlay is hinged to the outer edge of the hub, the other end of the inlay is connected to the centrifugal lifting mechanism, and the two sides of the inlay piece are connected to the inlays on both sides. The centrifugal lifting mechanism is applied to the hub, and the centrifugal force is transmitted to the lifting mechanism through the rotation of the hub, which drives the lifting mechanism to rise and fall. The lifting mechanism can drive the inlay on the hub, thereby changing the shape of the inlay. In high-speed state, each inlay is basically a plane, which helps to reduce the wind resistance of the inlay.

Description

TECHNICAL FIELD

[0001] The present application relates to automobile parts, in particular to a wheel hub decoration device. BACKGROUND

[0002] The automobile wheel hub decoration cover is mainly used for external decoration of the wheel hub, so that the rotating line of the wheel hub during the driving of the automobile is more beautiful. The existing wheel hub large disc decoration cover is generally a plastic injection molded body. For example, a wheel hub decoration cover disclosed in Chinese Patent Publication No. CN211441839U includes a large disc and a mounting bracket. The large disc is fixed on the wheel hub through the mounting bracket. The mounting bracket includes a connecting plate, connecting arms arranged on both sides of the connecting plate, and connecting ears arranged at the lower ends of the connecting arms. The connecting plate is provided with a first mounting hole. The large disc is connected with the first mounting hole of the connecting plate through a bolt. The connecting ears are provided with second mounting holes. The connecting ears are connected with the wheel hub through a bolt. The decoration cover does not have a changeable effect. It is necessary to design a device capable of changing the shape of the decoration part through centrifugal force. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a wheel hub decoration device capable of achieving lifting change through centrifugal force, changing the shape of the inlay part, and reducing the wind resistance of the inlay part when the wheel hub rotates at high speed.

[0004] To solve the above technical problems, the technical scheme of the present application is: a wheel hub decoration device, comprising a centrifugal lifting mechanism arranged at the center of the surface of the wheel hub, a plurality of inlay strips evenly distributed around the circumference of the centrifugal lifting mechanism, and inlay pieces arranged between adjacent inlay strips, one end of the inlay strip is hinged to the outer edge of the wheel hub, the other end of the inlay strip is connected to the centrifugal lifting mechanism, and the two sides of the inlay piece are connected to the inlay strips on both sides respectively; the centrifugal lifting mechanism comprises a base, an upper cover arranged above the base, and a plurality of centrifugal components for driving the upper cover away from or close to the base by centrifugal force; the centrifugal component comprises a driving rod and a driven rod mounted on the base, the driving rod is placed on the base, one end of the driving rod is pivoted to the base through a first rotating shaft, the lower end of the driven rod is hinged to the other end of the driving rod, and the upper end of the driven rod is hinged to the bottom of the upper cover; a guide column for sliding the upper cover is arranged between the base and the upper cover, the lower end of the guide column is fixed on the base, and the other end of the inlay strip is hinged to the side surface of the upper cover. The principle of the present application is: when the centrifugal lifting mechanism is in a low speed state, the centrifugal force is not enough to drive the driving rod, the driven rod is in the maximum inclination, and the upper cover is in the lowest position; when the centrifugal lifting mechanism is in a high speed state, the centrifugal force drives the driving rod to swing outward around the first rotating shaft, since the driving rod and the driven rod are hinged, the movement of the driving rod drives the driven rod, and as the driving rod swings outward, the inclination of the driven rod gradually becomes smaller, and the driven rod drives the upper cover away from the base while swinging straight; the upper cover can rise and fall according to the size of the centrifugal force, the lifting mechanism can be applied to the wheel hub, the lifting mechanism is installed in the central shaft hole of the wheel hub, the base is fixed on the wheel hub by bolts, a plurality of inlay strips are arranged between the upper cover and the outer edge of the wheel hub, one end of the inlay strip is hinged to the wheel hub, the other end of the inlay strip is hinged to the upper cover, inlay pieces are arranged between adjacent inlay strips, the lifting mechanism changes the shape of the inlay pieces by driving the inlay strips, and in the high speed state, each inlay piece is basically a flat surface, which helps to reduce the wind resistance of the inlay piece.

[0005] As an improvement, three centrifugal components evenly distributed around the circumference are provided in total.

[0006] As an improvement, a limiting groove is arranged on the base, and the driving rod is arranged in the limiting groove.

[0007] As an improvement, the limiting groove is in the shape of a sector.

[0008] As an improvement, one end of the driving rod is provided with a first hinge seat, the bottom of the upper cover is provided with a second hinge seat near the outer edge, the lower end of the driven rod is hinged through the first hinge seat, and the upper end of the driven rod is hinged through the second hinge seat.

[0009] As an improvement, a reset mechanism for driving the driving rod to reset is arranged on the base.

[0010] As an improvement, the reset mechanism comprises a magnet capable of generating magnetic attraction force on the driving rod.

[0011] As an improvement, a waterproof protective sleeve is arranged between the base and the outer side of the upper cover.

[0012] As an improvement, the upper cover is internally provided with a sliding sleeve sleeving the guide column, and the sliding sleeve and the upper cover are formed by in-mold injection.

[0013] As an improvement, the insert strip comprises a metal rod and a plastic piece sleeved on the metal rod, one end of the metal rod is hinged to the hub, and the other end of the metal rod is hinged to the upper cover.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] The centrifugal lifting mechanism is applied to the hub, and the centrifugal force is transmitted to the lifting mechanism through the rotation of the hub to drive the lifting mechanism to lift, the lifting mechanism can drive the insert piece on the hub, and the form of the insert piece is changed, in the high-speed state, each insert piece is basically a plane, which helps to reduce the wind resistance of the insert piece. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the insert piece in the low-speed state.

[0017] Figure 2 It is a schematic view of the insert piece in the high-speed state.

[0018] Figure 3 It is a schematic view of the centrifugal lifting mechanism in the low-speed state.

[0019] Figure 4 It is a schematic view of the centrifugal lifting mechanism in the high-speed state.

[0020] Figure 5 It is a schematic view of the appearance of the centrifugal lifting mechanism. EMBODIMENT

[0021] The present application will be further described below in combination with the accompanying drawings of the specification.

[0022] As Figure 1 , 2As shown, a hub ornament device comprises a centrifugal lifting mechanism 4 arranged at the center of the surface of a hub 1, a plurality of inlay strips 2 evenly distributed around the circumference of the centrifugal lifting mechanism 4, and inlay pieces 3 arranged between adjacent inlay strips 2. One end of the inlay strip 2 is hinged to the outer edge of the hub 1, and the other end of the inlay strip 2 is connected to the centrifugal lifting mechanism 4, which can drive the one end of the inlay strip 2 to lift, so that the inlay pieces 3 are in an inclined state or a horizontal state; the inlay strip 2 comprises a metal rod and a plastic piece sleeved on the metal rod, one end of the metal rod is hinged to the hub 1, and the other end of the metal rod is hinged to the centrifugal lifting mechanism 4, the metal rod has reliable strength for better connection. The inlay piece 3 is substantially fan-shaped, and the two sides of the inlay piece 3 are connected to the two inlay strips 2 respectively, and in this embodiment, the inlay piece 3 and the plastic piece of the inlay strip 2 are connected through buckling.

[0023] As Figure 3 , 4As shown, the centrifugal lifting mechanism 4 comprises a base 42, an upper cover 41 arranged above the base 42, and a plurality of centrifugal components for driving the upper cover 41 away from or close to the base 42 by centrifugal force; in this embodiment, there are three circumferentially uniformly distributed centrifugal components, which form three support points for the upper cover 41, and the base 42 and the upper cover 41 are both circular, which is conducive to installation in the shaft hole of the hub 41. The centrifugal components comprise a driving rod 44 and a driven rod 43 mounted on the base 42, the driving rod 44 is driven by centrifugal force, and the driven rod 43 is driven by the driving rod 44. The driving rod 44 is placed flat on the base 42, one end of the driving rod 44 is pivoted to the base 42 through a first rotating shaft, the first rotating shaft 46 is arranged near the outer edge, the bottom of the first rotating shaft 46 is provided with a bolt hole, and a locking bolt is used to lock and fix the first rotating shaft 46 from the bottom of the base 42, and the driving rod 44 can swing towards the inside or outside of the base 42 around the first rotating shaft 46; a fan-shaped limiting groove 47 is arranged on the base 42, the driving rod 44 is arranged in the limiting groove 47, the limiting groove 47 limits the stroke of the driving rod 44, the inside of the limiting groove 47 is the starting position of the driving rod 44, and the outside of the limiting groove 47 is the maximum stroke cutoff position of the driving rod 44; a reset mechanism for driving the driving rod 44 to reset is arranged on the base 42, the reset mechanism comprises a magnet 48 capable of generating magnetic attraction force to the driving rod 44, the magnet 48 is arranged at the starting position of the limiting groove 47, and when the centrifugal force of the lifting mechanism decreases, the driving rod 44 can be pulled back to the starting position by the attraction force of the magnet 48. The lower end of the driven rod 43 is hinged to the other end of the driving rod 44, the upper end of the driven rod 43 is hinged to the bottom of the upper cover 41, one end of the driving rod 44 is provided with a first hinge seat, the bottom of the upper cover 41 is provided with a second hinge seat near the outer edge, the lower end of the driven rod 43 is hinged through the first hinge seat, the upper end of the driven rod 43 is hinged through the second hinge seat, when the driving rod 44 is at the starting position, the driven rod 43 is at the maximum inclination, and the upper cover 41 is at the lowest position, when the driving rod 44 is at the cutoff position, the driven rod 43 is in the vertical state, and the upper cover 41 is at the highest position. A guide column 45 for sliding of the upper cover 41 is arranged between the base 42 and the upper cover 41, the bottom of the guide column 45 is provided with a bolt hole, and a locking bolt is used to lock and fix the first rotating shaft 46 from the bottom of the base 42; a sliding sleeve for sleeving the guide column 45 is arranged in the upper cover 41, the sliding sleeve and the upper cover 41 are formed by in-mold injection molding, the sliding sleeve can slide with the guide rod, and the upper cover 41 can stably move up and down along the guide rod. A waterproof protective sleeve 49 is arranged between the outside of the base 42 and the upper cover 41, which can be a leather sheath to prevent external water vapor from entering the inside of the mechanism. As Figure 5As shown, the outer side of the upper cover 41 is provided with a third hinge seat at the position of the inlay 2, and the metal rod of the inlay 2 is hinged to the third hinge seat. A protective cover can also be arranged at the shaft hole of the hub 1 to cover the centrifugal lifting mechanism 4, and the side of the protective cover is provided with a avoiding slot for the lifting of the metal rod.

[0024] The principle of the application is that when the centrifugal lifting mechanism is in a low speed state, the centrifugal force is not enough to drive the driving rod 44, and the passive rod 43 is in the maximum inclination, and the upper cover 41 is in the lowest position; when the centrifugal lifting mechanism is in a high speed state, the centrifugal force drives the driving rod 44 to swing outward around the first rotating shaft 46, and since the driving rod 44 is hinged to the passive rod 43, the movement of the driving rod 44 drives the passive rod 43, and as the driving rod 44 swings outward, the inclination of the passive rod 43 gradually becomes smaller, and the passive rod 43 swings straight while driving the upper cover 41 away from the base 42; the upper cover 41 can be lifted and lowered according to the size of the centrifugal force, and the lifting mechanism can be applied to the hub 1, the lifting mechanism is installed at the central shaft hole of the hub 1, the base 42 is fixed on the hub 1 by bolts, and a plurality of inlays 2 are arranged between the upper cover 41 and the outer edge of the hub 1, one end of the inlay 2 is hinged to the hub 1, the other end of the inlay 2 is hinged to the upper cover 1, the inlays 3 are arranged between adjacent inlays 2, all the inlays 3 form the front decorative parts of the hub 1, the centrifugal lifting mechanism 4 changes the shape of the inlays 3 by driving the inlays 2, when the hub 1 rotates at high speed, the inlays 3 are basically in a horizontal state, so that the surface of the hub 1 is flat, thereby reducing the surface wind resistance of the hub 1.

Claims

1. A wheel cover assembly, characterized by: The invention relates to a wheel hub with a centrifugal lifting mechanism arranged at the center of the wheel hub surface, a plurality of strips evenly distributed around the circumference of the centrifugal lifting mechanism, and inserts arranged between adjacent strips, one end of the strip being hinged to the outer edge of the wheel hub, the other end of the strip being connected to the centrifugal lifting mechanism, and the two sides of the insert being connected to the two strips on the sides, respectively; the centrifugal lifting mechanism comprises a base, an upper cover arranged above the base, and a plurality of centrifugal components for driving the upper cover away from or close to the base by centrifugal force; the centrifugal component comprises a driving rod and a driven rod mounted on the base, the driving rod is placed on the base, one end of the driving rod is pivoted to the base through a first rotating shaft, the lower end of the driven rod is hinged to the other end of the driving rod, the upper end of the driven rod is hinged to the bottom of the upper cover, a guide column for the sliding of the upper cover is arranged between the base and the upper cover, the lower end of the guide column is fixed on the base, the other end of the strip is hinged to the side surface of the upper cover; a limiting groove is arranged on the base, the driving rod is arranged in the limiting groove, the limiting groove is fan-shaped, one end of the driving rod is provided with a first hinge seat, the bottom of the upper cover is provided with a second hinge seat near the outer edge, the lower end of the driven rod is hinged through the first hinge seat, the upper end of the driven rod is hinged through the second hinge seat, a reset mechanism for driving the driving rod to reset is arranged on the base, the reset mechanism comprises a magnet capable of generating magnetic attraction force to the driving rod.

2. A hub trim device as defined in claim 1, wherein: There are three centrifugal components evenly distributed around the circumference in total.

3. A hub trim device as defined in claim 1 wherein: A waterproof protective sleeve is arranged between the outer side of the base and the upper cover.

4. A hub trim device as defined in claim 1 wherein: A sliding sleeve for covering the guide column is arranged in the upper cover, the sliding sleeve and the upper cover are formed by in-mold injection.

5. A hub trim device as in claim 1, wherein: The strip comprises a metal rod and a plastic part sleeved on the metal rod, one end of the metal rod is hinged to the wheel hub, and the other end of the metal rod is hinged to the upper cover.

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