Hub decoration device
By designing a lifting mechanism and a centrifugal mechanism in the hub decoration device, the decorative inserts are lifted and lowered by centrifugal force when rotating at high speed, the wind resistance problem of the insert in the prior art is solved, and the wind resistance reduction in the high-speed state is achieved.
Patent Information
- Application Number
- CN202420709724.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-08
AI Technical Summary
The existing hub insert design cannot reduce wind resistance during high-speed rotation through morphological changes.
A hub decoration device is designed to use centrifugal force to lift and lower the decorative insert when rotated at high speed through the lifting mechanism and the centrifugal mechanism, and to change its shape to reduce wind resistance.
在高速旋转时,装饰镶件的形态变化有助于降低风阻,提高轮毂的效率。
Smart Images

Figure CN222663058U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts, in particular to a wheel hub decoration device. Background Art
[0002] The hub insert is generally installed at the ventilation hole on the front of the hub. The existing insert is generally fixed to the hub by buckles or bolts. For example, Chinese patent publication number CN217892389U discloses a hub vent insert, comprising an insert body (4), the insert body (4) is arranged on the hub, and comprises a rim (1), a wheel axle hub (2) and a spoke (3), the wheel axle hub (2) is arranged in the middle of the rim (1), and the spoke (3) is arranged between the wheel axle hub (2) and the spoke The wheel spoke (3) is fixedly connected to the wheel rim (1) at one end, and fixedly connected to the wheel axle hub (2) at the other end. The wheel spoke (3) is provided in a plurality of numbers, and the plurality of wheel spokes (3) are distributed around the center of the wheel rim (1). A ventilation hole is provided between two adjacent wheel spokes (3), and an insert body (4) is provided inside the ventilation hole. A fixing ring (5) is provided between the plurality of insert bodies (4), and the plurality of insert bodies (4) are arranged around the center of the wheel axle hub (2).
[0003] The insert body (4) and the fixing ring (5) are arranged around the center of the fixing ring (5), and a fixing mechanism is arranged between the insert body (4) and the fixing ring (5). This insert design cannot be deformed or moved. For inserts with special requirements for hub wind resistance, a device that can change the shape of the insert through centrifugal force needs to be designed. Summary of the invention
[0004] The technical problem to be solved by the utility model is to provide a wheel hub decoration device, which can realize lifting and lowering changes through centrifugal force conversion, change the shape of the insert, and help reduce the wind resistance of the insert when the wheel hub rotates at high speed.
[0005] In order to solve the above technical problems, the technical solution of the utility model is: a wheel hub decoration device, comprising a plurality of decorative inlays evenly distributed on the circumference, a lifting mechanism arranged in the middle position of the wheel hub and a centrifugal mechanism for driving the decorative inlays; the lifting mechanism comprises a base fixed on the wheel hub, a lifting plate arranged above the base and a plurality of springs arranged between the base and the lifting plate, the springs correspond to the decorative inlays one by one, one end of the spring is connected to the base, and the other end of the spring is connected to the lifting plate; the inner side of the decorative inlay is connected to the lifting plate, and the outer side of the decorative inlay is connected to the rim of the wheel hub; the centrifugal mechanism is arranged in the middle position below the decorative inlay, the centrifugal mechanism comprises a connecting plate, an articulated seat and a centrifugal block, the connecting plate is fixed to the bottom of the decorative inlay, the articulated seat is fixed on the wheel hub, one end of the centrifugal block is hinged to the articulated seat through a first rotating shaft, the other end of the centrifugal block is provided with an arc hole, and the connecting plate is provided with a second rotating shaft passing through the arc hole. The principle of the utility model is as follows: when the wheel hub is in a low-speed state, the centrifugal force applied to the centrifugal block of the centrifugal mechanism is small, and the centrifugal block cannot push the decorative inlay whose inner side is constrained by the lifting mechanism; when the wheel hub is in a high-speed state, the centrifugal force applied to the centrifugal block of the centrifugal mechanism is large, and at this time the inner side of the decorative inlay overcomes the pulling force of the spring to drive the lifting plate to rise, and the shape of the decorative inlay changes, which helps to reduce wind resistance; when the rotation speed of the wheel hub slows down, the centrifugal force applied to the centrifugal block of the centrifugal mechanism becomes smaller, the spring resets and contracts and drives the lifting plate inlay, and the lifting plate drives the inner side of the decorative inlay to descend.
[0006] As an improvement, an annular groove is provided on the outer side of the lifting plate, and a tongue is provided on the inner side of the decorative insert, and the tongue extends into the annular groove.
[0007] As an improvement, a mounting seat is provided on the rim of the hub between the two decorative inserts, and the decorative insert is rotatably connected to the mounting seat via a third rotating shaft.
[0008] As an improvement, a guide rod passing through the spring and the lifting plate is provided on the base.
[0009] As an improvement, a decorative cover is fixedly provided on the guide rod, and the decorative cover is arranged above the lifting plate.
[0010] As an improvement, the connecting plate is connected to the decorative insert via a buckle.
[0011] As an improvement, the articulated seat is fixed on the spokes of the wheel hub.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The wheel hub decorative insert can change its shape as the centrifugal force of the centrifugal mechanism changes. When the wheel hub is in a high-speed state, the decorative insert can be in a shape with less wind resistance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a front view schematic diagram of the decorative device cooperating with the wheel hub.
[0015] Figure 2 A schematic diagram of the back side showing the coordination between the decorative device and the wheel hub.
[0016] Figure 3 Schematic diagram of the decorative device. DETAILED DESCRIPTION
[0017] The utility model will be further described below in conjunction with the accompanying drawings.
[0018] like Figures 1 to 3As shown, a hub decoration device comprises a plurality of decorative inserts 2 evenly distributed in a circumference, a lifting mechanism 3 arranged in the middle of the hub 1, and a centrifugal mechanism 4 driving the decorative inserts 2. The decorative inserts 2 are roughly fan-shaped, and all decorative inserts 2 are combined to form a circular decorative surface, which serves the purpose of decorating the hub 1; the outer side of the decorative insert 2 is rotatably connected to the hub 1, and the inner side of the decorative insert 2 points to the center of the hub 1 and is connected to the lifting mechanism 3, and the lifting mechanism 3 drives the inner side of the decorative insert 2 to rise and fall. The lifting mechanism 3 includes a base 31 fixed on the wheel hub 1, a lifting plate 32 arranged above the base 31, and a plurality of springs 34 arranged between the base 31 and the lifting plate 32; the springs 34 correspond to the decorative inserts 2 one by one, one end of the spring 34 is connected to the base 31, and the other end of the spring 34 is connected to the lifting plate 32, and the lifting and lowering of the lifting plate 32 drives the spring 34 to stretch; the base 31 is annular, and the base 31 is fixed to the wheel hub 1 by bolts. A guide rod 33 passing through the spring 34 and the lifting plate 32 is provided on the base 31, and the guide rod 33 corresponds to the spring 34 one by one. The guide rod 33 can not only To constrain the position of the spring 34 and play the role of guiding the lifting plate 32; a decorative cover is fixedly provided on the guide rod 33, and the decorative cover is arranged above the lifting plate 32, and the decorative cover plays the role of logo decoration; an annular groove is provided on the outer side of the lifting plate 32, and a tongue is provided on the inner side of the decorative insert 2, and the tongue extends into the annular groove; a mounting seat 11 is provided on the rim of the hub 1 between the two decorative inserts 2, and the decorative insert 2 is rotatably connected to the mounting seat 11 through a third rotating shaft, and the lifting plate 32 drives the inner side of the decorative insert 2 to rise and fall, and the decorative insert 2 is flipped around the third rotating shaft on the outer side. The centrifugal mechanism 4 is arranged in the middle position below the decorative insert 2, and the centrifugal mechanism 4 includes a connecting plate 46, a hinge seat 41 and a centrifugal block 43; the connecting plate 46 is fixed to the bottom of the decorative insert 2, and a slot is provided on the connecting plate 46, and a buckle is provided on the bottom of the decorative insert 2, and the connecting plate 46 is fixedly connected to the decorative insert 2 by the buckle; the hinge seat 41 is fixed to the spokes of the wheel hub 1 by bolts, one end of the centrifugal block 43 is hinged to the hinge seat 41 by a first rotating shaft 42, and the other end of the centrifugal block 43 is provided with an arc hole 45, and a second rotating shaft 44 passing through the arc hole 45 is provided on the connecting plate 46, and as the centrifugal block 43 rotates around the first rotating shaft 42, the second rotating shaft 44 can move in the arc hole 45.
[0019] Principle of the utility model: when the wheel hub 1 is in a low-speed state, the centrifugal force applied to the centrifugal block 43 of the centrifugal mechanism 4 is small, and the centrifugal block 43 cannot push the decorative inlay 2 constrained by the lifting mechanism 3 on the inner side; when the wheel hub 1 is in a high-speed state, the centrifugal force applied to the centrifugal block 43 of the centrifugal mechanism 4 is large, and at this time, the inner side of the decorative inlay 2 overcomes the pulling force of the spring 34 to drive the lifting plate 32 to rise, and the shape of the decorative inlay 2 changes, which helps to reduce wind resistance; when the speed of the wheel hub 1 slows down, the centrifugal force applied to the centrifugal block 43 of the centrifugal mechanism 4 becomes smaller, the spring 34 returns to its original position and contracts to drive the lifting plate 32 inlay, and the lifting plate 32 drives the inner side of the decorative inlay 2 to descend.
Claims
1. A wheel hub decoration device, comprising a plurality of decorative inserts evenly distributed around the circumference, a lifting mechanism disposed in the middle of the wheel hub, and a centrifugal mechanism for driving the decorative inserts; characterized in that: The lifting mechanism includes a base fixed on the wheel hub, a lifting plate arranged above the base and a plurality of springs arranged between the base and the lifting plate, wherein the springs correspond to the decorative inserts one by one, one end of the spring is connected to the base, and the other end of the spring is connected to the lifting plate; the inner side of the decorative insert is connected to the lifting plate, and the outer side of the decorative insert is connected to the rim of the wheel hub; the centrifugal mechanism is arranged in the middle position below the decorative insert, and the centrifugal mechanism includes a connecting plate, an articulated seat and a centrifugal block, the connecting plate is fixed to the bottom of the decorative insert, the articulated seat is fixed to the wheel hub, one end of the centrifugal block is hinged to the articulated seat through a first rotating shaft, the other end of the centrifugal block is provided with an arc hole, and the connecting plate is provided with a second rotating shaft passing through the arc hole.
2. A wheel hub decoration device according to claim 1, characterized in that: An annular groove is arranged on the outer side of the lifting plate, and a tongue is arranged on the inner side of the decorative insert, and the tongue extends into the annular groove.
3. A wheel hub decoration device according to claim 1, characterized in that: A mounting seat is provided on the rim of the hub between the two decorative inserts, and the decorative insert is rotatably connected to the mounting seat via a third rotating shaft.
4. A wheel hub decoration device according to claim 1, characterized in that: The base is provided with a guide rod passing through the spring and the lifting plate.
5. A wheel hub decoration device according to claim 4, characterized in that: A decorative cover is fixedly provided on the guide rod, and the decorative cover is arranged above the lifting plate.
6. A wheel hub decoration device according to claim 1, characterized in that: The connecting plate is connected to the decorative insert by means of a buckle.
7. A wheel hub decoration device according to claim 1, characterized in that: The hinged seat is fixed on the spokes of the wheel hub.
Citation Information
Patent Citations
Hub ventilation opening insert
CN217892389U