An active opening and closing hub cover device for passenger vehicles based on a flexible cable structure

Abstract

The present invention is applicable to the field of automotive aerodynamics and provides a flexible cable structure-based active opening and closing hubcap device for a passenger vehicle. The device comprises a base plate and a cover plate, wherein the base plate is provided with a plurality of base plate through-holes arranged in a circle, and the cover plate is provided with corresponding cover plate through-holes arranged in a circle; a sliding baffle plate, wherein the plurality of sliding baffle plates are mounted in a circle on the inner side of the base plate; and a control module, wherein the control module comprises a reel, a drive module for driving the reel to rotate is further provided in a drive compartment, and the reel is wound with a plurality of flexible cables, the number of which is the same as the number of sliding baffle plates. One end of each flexible cable is fixed to a tether opening provided on the reel, and the free end of each flexible cable passes through a cable outlet provided in the base plate drive compartment and is fixed to a baffle tether hole on the sliding baffle plate. The device has a compact and stable structure, high mechanical reliability, stable drive module and control module structures, high space utilization, and low manufacturing cost.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile aerodynamics, and in particular relates to an active opening and closing hub cover device for a passenger vehicle based on a flexible cable structure. Background Art

[0002] With the rapid development of my country's automobile industry and related technologies, the performance of automobiles has been greatly enhanced, and the speed of automobiles has also increased significantly. The forces and torques caused by air action have an increasingly greater impact on various indicators of automobile driving. In order to ensure the safety and fuel economy of automobile driving, modern automobiles have put forward higher requirements for the air resistance encountered by vehicles when driving at high speeds.

[0003] Using closed wheel hubs is a common method to reduce the drag coefficient of a car, but closed wheel hubs are often used in new energy vehicles that rely on motor energy recovery braking. The braking system of traditional fuel vehicles will generate a lot of heat during braking, and closed wheel hubs will limit the ventilation conditions of the wheel braking system. Therefore, traditional fuel vehicles are not suitable for closed wheel hubs.

[0004] Under the premise of taking into account the heat dissipation efficiency of the braking system, in order to solve the problem of how to reduce the wind resistance coefficient of fuel vehicles, an active opening and closing wheel hub cover device for passenger cars based on a flexible cable structure is designed to overcome the shortcomings in current practical applications. Summary of the Invention

[0005] The purpose of the embodiments of the present invention is to provide a passenger vehicle active opening and closing hub cover device based on a flexible cable structure, aiming to solve the problems raised in the above-mentioned background technology.

[0006] The embodiment of the present invention is implemented as follows: a passenger vehicle active opening and closing hub cover device based on a flexible cable structure includes a base plate and a cover plate, the base plate and the cover plate being connected to form an integral body, the base plate being provided with a plurality of base plate through holes arranged in a circle, and the cover plate being provided with cover plate through holes arranged in a circle at corresponding positions; and further comprising:

[0007] A sliding baffle, wherein a plurality of sliding baffles are mounted in a circular array on the inner side of the base plate, and the number of the sliding baffles is the same as the number of the through holes of the base plate. The base plate is further provided with a base plate guide rail for guiding each sliding baffle, and each sliding baffle is provided with a baffle spring hole on a side facing the outer edge of the base plate, a tension spring is mounted in the baffle spring hole, and the tension spring is connected to the outer edge of the base plate on a side away from the sliding baffle;

[0008] A drive compartment, the drive compartment comprising a base plate drive compartment mounted at the center of the base plate, and a cover plate drive compartment mounted at the center of the cover plate. When the base plate and the cover plate are connected to each other, the base plate drive compartment and the cover plate drive compartment cooperate with each other to form a complete drive compartment, wherein a control module is mounted in the drive compartment;

[0009] A control module, the control module includes a reel, the reel is rotatably mounted on a central cylinder provided in a base plate drive bin, and a drive module for driving the reel to rotate is also provided in the drive bin, a plurality of flexible ropes are wound on the reel, the number of the flexible ropes is the same as the number of sliding baffles, one end of each flexible rope is fixed in a tethering opening provided on the reel, and the free end of each flexible rope passes through a rope outlet opened on the base plate drive bin and is fixed in a baffle tethering hole on the sliding baffle.

[0010] A further technical solution is that the base plate and the cover plate are connected by bolts, a plurality of first threaded holes are arranged in a circle on the edge of the base plate, a third threaded hole is arranged in a circle at corresponding positions on the cover plate, a plurality of second threaded holes are arranged in a circle in the middle area of ​​the base plate, and a fourth threaded hole is arranged in a circle at corresponding positions on the cover plate.

[0011] According to a further technical solution, a cover plate boss is provided on the inner side of the cover plate in an area corresponding to the sliding baffle, for axially limiting the sliding baffle to ensure that the sliding baffle can only move radially.

[0012] A further technical solution is that a bottom plate ring is further provided on the inner side of the bottom plate, and one end of each tension spring away from the sliding baffle is installed in the bottom plate spring hole opened on the inner side of the bottom plate ring, and the bottom plate is connected to the cover plate through the bottom plate ring.

[0013] According to a further technical solution, each of the cable outlets is provided with a guide block at one end on the inner side of the bottom plate driving compartment for guiding the flexible cable.

[0014] A further technical solution is that the driving module includes a servo motor and a worm gear, the worm gear is connected to the scroll, the servo motor is installed in a motor compartment set inside the cover drive compartment, the output end of the servo motor is connected to a worm, the worm column of the worm is installed on a worm rack set inside the cover drive compartment, and the worm teeth of the worm are connected to the worm gear teeth of the worm wheel.

[0015] A further technical solution is that the driving module also includes a battery and a signal and control module, and the battery and the signal and control module are both installed in a battery compartment set in the cover drive compartment. The battery can power the signal and control module and the servo motor, and the signal and control module can transmit signals and control the servo motor.

[0016] An embodiment of the present invention provides an active opening and closing wheel hub cover device for a passenger car based on a flexible cable structure. When in use, it is only necessary to drive the reel to rotate through the driving module, and the winding and unwinding of the flexible cable is achieved through the rotation of the reel. When the flexible cable is wound, the sliding baffle can be pulled along the bottom plate guide rail toward the center of the bottom plate by the flexible cable, and the tension spring is stretched by the tension. When the flexible cable is unwound, the elastic restoring force of the tension spring can cause the sliding baffle to move away from the center of the bottom plate. By adjusting the position of the sliding baffle, the position of the sliding baffle relative to the bottom plate through-hole and the cover plate through-hole can be adjusted. The through-hole can be blocked to reduce air resistance during driving. Alternatively, the through-hole can be opened to achieve ventilation and heat dissipation. The structure of the device is compact and stable, the mechanism reliability is high, the structure of the driving module and the control module is stable, the space utilization rate is high, and the manufacturing cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 An exploded view from the right side of a passenger vehicle active opening and closing hub cover device based on a flexible cable structure provided by an embodiment of the present invention;

[0018] Figure 2 An exploded view from the left side of a passenger vehicle active opening and closing hub cover device based on a flexible cable structure provided by an embodiment of the present invention;

[0019] Figure 3 An overall assembly diagram of the bottom plate area of ​​a passenger vehicle active opening and closing hub cover device based on a flexible cable structure provided by an embodiment of the present invention;

[0020] Figure 4 for Figure 3 A local three-dimensional image of area A;

[0021] Figure 5 An overall assembly diagram of a cover plate area in a passenger vehicle active opening and closing hub cover device based on a flexible cable structure provided by an embodiment of the present invention;

[0022] Figure 6 for Figure 5 A local enlarged view of area B in FIG;

[0023] Figure 7 The structural intention of the blades in the active opening and closing hub cover device of a passenger car based on a flexible cable structure provided by an embodiment of the present invention;

[0024] Figure 8 Book Figure 7 A partial enlarged view of area C in FIG.

[0025] Figure 9 for Figure 7 A local three-dimensional schematic diagram of the D region in FIG;

[0026] Figure 10 for;

[0027] Figure 11 A schematic structural diagram of a sliding baffle in an active opening and closing hub cover device for a passenger vehicle based on a flexible cable structure provided by an embodiment of the present invention;

[0028] Figure 12 for Figure 11 A partial enlarged view of area E in FIG.

[0029] In the figure: base plate 1; first threaded hole 1-1; base plate ring 1-2; base plate spring hole 1-3; base plate guide rail 1-4; base plate through hole 1-5; second threaded hole 1-6; base plate drive compartment 1-7; cable outlet 1-8; guide block 1-9; center cylinder 1-10; worm gear 2; reel 2-1; pad 2-2; tether opening 2-3; worm gear teeth 2-4; worm 3; worm gear teeth 3-1; worm column 3-2 ; Servo motor 4; sliding baffle 5; baffle slider 5-1; baffle spring hole 5-2; baffle rope hole 5-3; tension spring 6; battery 7; signal and control module 8; flexible rope 9; cover plate 10; third threaded hole 10-1; cover plate boss 10-2; fourth threaded hole 10-3; cover plate through hole 10-4; cover plate drive compartment 10-5; motor compartment 10-6; battery compartment 10-7; worm gear rack 10-8. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0032] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 7 、 Figure 8 、 Figure 11 and Figure 12 FIG. 1 shows an active opening and closing hub cover device for a passenger vehicle based on a flexible cable structure according to an embodiment of the present invention. The device comprises a base plate 1 and a cover plate 10, wherein the base plate 1 and the cover plate 10 are connected to form an integral body. The base plate 1 is provided with a plurality of base plate through holes 1-5 arranged in a circle, and the cover plate 10 is provided with cover plate through holes 10-4 arranged in a circle at corresponding positions. The device further comprises:

[0033] Sliding baffle 5, a plurality of sliding baffles 5 are installed in a ring on the inner side of the base plate 1 (the side of the base plate 1 facing the cover plate 10 is defined as the inner side), and the number of the sliding baffles 5 is the same as the number of the base plate through holes 1-5. The base plate 1 is also provided with base plate guide rails 1-4 for guiding each sliding baffle 5 (the sliding baffle 5 slides along the radial direction of the base plate). Each of the sliding baffles 5 is provided with a baffle spring hole 5-2 on the side facing the outer edge of the base plate 1. A tension spring 6 is installed in the baffle spring hole 5-2, and the tension spring 6 is connected to the outer edge of the base plate 1 on the side away from the sliding baffle 5;

[0034] The drive compartment includes a base plate drive compartment 1-7 installed at the center of the base plate 1 and a cover plate drive compartment 10-5 installed at the center of the cover plate 10. When the base plate 1 and the cover plate 10 are connected to each other, the base plate drive compartment 1-7 and the cover plate drive compartment 10-5 cooperate with each other to form a complete drive compartment. A control module is installed in the drive compartment;

[0035] A control module includes a reel 2-1, which is rotatably mounted on a central cylinder 1-10 provided in a base plate drive bin 1-7, and a drive module for driving the reel 2-1 to rotate is also provided in the drive bin. A plurality of flexible ropes 9 are wound on the reel 2-1, and the number of the flexible ropes 9 is the same as the number of the sliding baffles 5. One end of each flexible rope 9 is fixed in a tether opening 2-3 provided on the reel 2-1, and the free end of each flexible rope 9 passes through a rope outlet 1-8 opened on the base plate drive bin 1-7 and is fixed in a baffle tether hole 5-3 on the sliding baffle 5.

[0036] In this embodiment of the present invention, a pad 2-2 is also provided on the reel 2-1. During use, the device can be fixed to the vehicle wheel spoke by coaxially engaging the fourth threaded hole with the second threaded hole and using bolts. The reel 2-1 is simply rotated by the drive module, and the flexible cable 9 is reeled and unreeled by the rotation of the reel 2-1. When the flexible cable 9 is reeled, the sliding baffle 5 is pulled along the base plate guide rail 1-4 toward the center of the base plate 1, causing the tension spring 6 to extend under tension. When the flexible cable 9 is unreeled, the elastic restoring force of the tension spring 6 causes the sliding baffle 5 to move away from the center of the base plate 1. By adjusting the position of the sliding baffle 5, its position relative to the base plate through-hole 1-5 and the cover plate through-hole 10-4 can be adjusted. The through-holes can be blocked to reduce air resistance during driving, or the through-holes can be opened to achieve ventilation and heat dissipation.

[0037] like Figure 1 and Figure 2As shown, as a preferred embodiment of the present invention, the base plate 1 and the cover plate 10 are connected by bolts; specifically, a plurality of first threaded holes 1-1 are arranged in a circle on the edge of the base plate 1, and third threaded holes 10-1 are arranged in a circle at corresponding positions on the cover plate 10. A plurality of second threaded holes 1-6 are arranged in a circle in the middle area of ​​the base plate 1, and fourth threaded holes 10-3 are arranged in a circle at corresponding positions on the cover plate 10. The base plate 1 and the cover plate 10 can be connected by bolts.

[0038] like Figure 2 As shown, as a preferred embodiment of the present invention, a cover plate boss 10-2 is provided on the inner side of the cover plate 10 (the side of the cover plate 10 facing the base plate 1 is defined as its inner side) and in the area corresponding to the sliding baffle 5, for axially limiting the sliding baffle 5 to ensure that the sliding baffle 5 can only move radially.

[0039] like Figure 1 、 Figure 4 and Figure 9 As shown, as a preferred embodiment of the present invention, a bottom plate ring 1-2 is further provided on the inner side of the bottom plate 1, and one end of each tension spring 6 away from the sliding baffle 5 is installed in the bottom plate spring hole 1-3 opened on the inner side of the bottom plate ring 1-2. The bottom plate 1 is connected with the cover plate 10 through the bottom plate ring 1-2 to ensure the relative sealing state of the interior and provide space for component installation.

[0040] like Figure 1 、 Figure 4 and Figure 8 As shown, as a preferred embodiment of the present invention, each of the cable outlets 1-8 is provided with a guide block 1-9 at one end on the inner side of the bottom plate driving compartment 1-7, for guiding the flexible cable 9 to prevent the flexible cable 9 from directly rubbing against the cable outlet 1-8.

[0041] like Figure 1 、 Figure 2 、 Figure 5 、 Figure 6 and Figure 10 As shown, as a preferred embodiment of the present invention, the driving module includes a servo motor 4 and a worm gear 2, the worm gear 2 is connected to the reel 2-1, the servo motor 4 is installed in the motor compartment 10-6 arranged inside the cover drive compartment 10-5, the output end of the servo motor 4 is connected to the worm 3, the worm column 3-2 of the worm 3 is installed on the worm rack 10-8 arranged inside the cover drive compartment 10-5, and the worm teeth 3-1 of the worm 3 are connected to the worm gear teeth 2-4 of the worm wheel 2.

[0042] In the embodiment of the present invention, when in use, it is only necessary to drive the worm column 3-2 to rotate through the servo motor 4, and the worm teeth 3-1 and the worm wheel teeth 2-4 can cooperate to drive the worm wheel 2 to rotate, and then drive the reel 2-1 to rotate, thereby realizing the reeling and unreeling of the flexible rope 9.

[0043] like Figure 1 、 Figure 2 and Figure 6 As shown, as a preferred embodiment of the present invention, the driving module also includes a battery 7 and a signal and control module 8, and the battery 7 and the signal and control module 8 are both installed in the battery compartment 10-7 set in the cover drive compartment 10-5. The battery 7 can power the signal and control module 8 and the servo motor 4, and the signal and control module 8 can transmit signals and control the servo motor 4.

[0044] like Figure 11 As shown, as a preferred embodiment of the present invention, the sliding baffle 5 is provided with baffle sliders 5-1 on both sides of its sliding direction, and the baffle sliders 5-1 are slidably installed in the bottom plate guide rails 1-4, thereby realizing the limitation and guidance of the sliding baffle 5 and ensuring the movement stability of the sliding baffle 5.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A passenger car active opening and closing hub cover device based on a flexible cable structure, characterized in that: The invention comprises a bottom plate and a cover plate, wherein the bottom plate and the cover plate are connected to form an integral body, the bottom plate is provided with a plurality of bottom plate through holes arranged in a circle, and corresponding positions of the cover plate are provided with cover plate through holes arranged in a circle; and further comprises: A sliding baffle, wherein a plurality of sliding baffles are mounted in a circular array on the inner side of the base plate, and the number of the sliding baffles is the same as the number of the through holes of the base plate. The base plate is further provided with a base plate guide rail for guiding each sliding baffle, and each sliding baffle is provided with a baffle spring hole on a side facing the outer edge of the base plate, a tension spring is mounted in the baffle spring hole, and the tension spring is connected to the outer edge of the base plate on a side away from the sliding baffle; A drive compartment, the drive compartment comprising a base plate drive compartment mounted at the center of the base plate, and a cover plate drive compartment mounted at the center of the cover plate. When the base plate and the cover plate are connected to each other, the base plate drive compartment and the cover plate drive compartment cooperate with each other to form a complete drive compartment, wherein a control module is mounted in the drive compartment; A control module, the control module includes a reel, the reel is rotatably mounted on a central cylinder provided in a base plate drive bin, and a drive module for driving the reel to rotate is also provided in the drive bin, a plurality of flexible ropes are wound on the reel, the number of the flexible ropes is the same as the number of sliding baffles, one end of each flexible rope is fixed in a tethering opening provided on the reel, and the free end of each flexible rope passes through a rope outlet opened on the base plate drive bin and is fixed in a baffle tethering hole on the sliding baffle.

2. The active opening and closing hub cover device for a passenger vehicle based on a flexible cable structure according to claim 1 is characterized in that: The base plate and the cover plate are connected by bolts. A plurality of first threaded holes are arranged in a circle on the edge of the base plate, a third threaded hole is arranged in a circle at corresponding positions on the cover plate, a plurality of second threaded holes are arranged in a circle in the middle area of ​​the base plate, and a fourth threaded hole is arranged in a circle at corresponding positions on the cover plate.

3. The active opening and closing hub cover device for a passenger vehicle based on a flexible cable structure according to claim 1, characterized in that: A cover plate boss is provided on the inner side of the cover plate in an area corresponding to the sliding baffle, for axially limiting the sliding baffle.

4. The active opening and closing hub cover device for a passenger vehicle based on a flexible cable structure according to claim 1 is characterized in that: A bottom plate ring is also provided on the inner side of the bottom plate, and one end of each tension spring away from the sliding baffle is installed in a bottom plate spring hole opened on the inner side of the bottom plate ring.

5. The active opening and closing hub cover device for a passenger vehicle based on a flexible cable structure according to claim 1 is characterized in that: Each of the cable outlets is provided with a guide block at one end located on the inner side of the bottom plate driving compartment for guiding the flexible cable.

6. The active opening and closing hub cover device for a passenger vehicle based on a flexible cable structure according to claim 1 is characterized in that: The driving module includes a servo motor and a worm gear, the worm gear is connected to the scroll, the servo motor is installed in a motor compartment set inside the cover drive compartment, the output end of the servo motor is connected to a worm, the worm column of the worm is installed on a worm rack set inside the cover drive compartment, and the worm teeth of the worm are connected to the worm gear teeth of the worm wheel.

7. The active opening and closing hub cover device for a passenger vehicle based on a flexible cable structure according to claim 6 is characterized in that: The drive module also includes a battery and a signal and control module, which are both installed in a battery compartment set in the cover drive compartment. The battery can power the signal and control module and the servo motor, and the signal and control module can transmit signals and control the servo motor.

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