Passenger car active opening and closing hubcap device based on flexible cable structure

Abstract

The invention is suitable for the technical field of automobile aerodynamics, and provides a passenger car active opening and closing hubcap device based on a flexible cable structure, the passenger car active opening and closing hubcap device comprises a bottom plate and a cover plate, a plurality of bottom plate through holes are annularly formed in the bottom plate, and cover plate through holes are annularly formed in the corresponding positions of the cover plate; a plurality of sliding baffles are annularly mounted on the inner side of the bottom plate; the control module comprises a reel, a driving module used for driving the reel to rotate is further arranged in the driving bin, a plurality of flexible cables are wound on the reel, the number of the flexible cables is the same as that of the sliding baffles, one end of each flexible cable is fixed in a rope tying opening formed in the reel, and the other end of each flexible cable is fixed in a rope tying opening formed in the reel. The free end of each flexible cable penetrates through a cable outlet formed in the bottom plate driving bin and is fixed in a baffle cable tying hole in the sliding baffle. The device is compact and stable in structure, high in mechanism reliability, stable in structure of the driving module and the control module, high in space utilization rate and low in 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 wheel hub cover device for a passenger car 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 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 on 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 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 car active opening and closing wheel hub cover device based on a flexible cable structure includes a bottom plate and a cover plate, the bottom plate and the cover plate are connected to each other to form an integral body, a plurality of bottom plate through holes are arranged in a circle on the bottom plate, and cover plate through holes are arranged in a circle at corresponding positions on the cover plate; and further includes:

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

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

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

[0010] According to a further technical solution, 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, third threaded holes are 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 fourth threaded holes are 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 plate, for axially limiting the sliding baffle plate to ensure that the sliding baffle plate can only move radially.

[0012] A further technical solution is 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, and the bottom plate is connected to the cover plate by 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 located 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 a reel, the servo motor is installed in a motor compartment arranged inside a cover driving 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 arranged inside the cover driving compartment, and the worm teeth of the worm are connected to the worm gear teeth of the worm wheel.

[0015] According to a further technical solution, 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 arranged in the cover driving 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 realized through the rotation of the reel. When the flexible cable is wound, the sliding baffle can be pulled by the flexible cable to move along the bottom plate guide rail toward the center of the bottom plate, and the tension spring is stretched by the tension. When the flexible cable is unwound, the sliding baffle can be moved away from the center of the bottom plate by the elastic restoring force of the tension spring. 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, and the through hole can be selected to be blocked to reduce the air resistance during driving. Or 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 a bottom 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;

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

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

[0026] Fig.10 for;

[0027] Fig.11 A schematic diagram of the structure 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] Fig.12 for Fig.11 A partial enlarged view of area E in FIG.

[0029] In the attached drawings: bottom plate 1; first threaded hole 1-1; bottom plate ring 1-2; bottom plate spring hole 1-3; bottom plate guide rail 1-4; bottom plate through hole 1-5; second threaded hole 1-6; bottom plate drive compartment 1-7; cable outlet 1-8; guide block 1-9; center cylinder 1-10; worm wheel 2; reel 2-1; pad 2-2; tether hole 2-3; worm wheel 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 lanyard 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 solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with 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 in conjunction with specific embodiments.

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 7 , Figure 8 , Fig.11 and Fig.12 As shown, an active opening and closing wheel hub cover device for a passenger vehicle based on a flexible cable structure is provided in one embodiment of the present invention, comprising a bottom plate 1 and a cover plate 10, wherein the bottom plate 1 and the cover plate 10 are connected to form an integral body, a plurality of bottom plate through holes 1-5 are arranged in a circle on the bottom plate 1, and cover plate through holes 10-4 are arranged in a circle at corresponding positions on the cover plate 10; and further comprising:

[0033] Sliding baffle 5, a plurality of sliding baffles 5 are installed in a ring on the inner side of the bottom plate 1 (the side of the bottom 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 bottom plate through holes 1-5, and the bottom plate 1 is also provided with bottom plate guide rails 1-4 for guiding each sliding baffle 5 (the sliding baffle 5 slides along the radial direction of the bottom plate), and each sliding baffle 5 is provided with a baffle spring hole 5-2 on the side facing the outer edge of the bottom plate 1, and 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 bottom plate 1 on the side away from the sliding baffle 5;

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

[0035] A control module, wherein the control module comprises a reel 2-1, wherein the reel 2-1 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, and 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, and one end of each of the flexible ropes 9 is fixed in a tethering opening 2-3 provided on the reel 2-1, and the free end of each of the flexible ropes 9 passes through a rope outlet 1-8 opened on the base plate drive bin 1-7 and is fixed in a baffle tethering hole 5-3 on the sliding baffle 5.

[0036] In the embodiment of the present invention, a pad 2-2 is also provided on the reel 2-1. When in use, the fourth threaded hole is coaxially matched with the second threaded hole, and the device can be fixedly installed on the spoke of the car by bolts. It is only necessary to drive the reel 2-1 to rotate through the driving module, and the winding and unwinding of the flexible cable 9 is realized by the rotation of the reel 2-1. When the flexible cable 9 is wound, the sliding baffle 5 can be pulled by the flexible cable 9 along the bottom plate guide rail 1-4 to move toward the center of the bottom plate 1, and the tension spring 6 is stretched by the tension. When the flexible cable 9 is unwound, the elastic restoring force of the tension spring 6 can make the sliding baffle 5 move away from the center of the bottom plate 1. By adjusting the position of the sliding baffle 5, the position of the sliding baffle 5 relative to the bottom plate through hole 1-5 and the cover plate through hole 10-4 can be adjusted, and the through hole can be selected to be blocked, thereby reducing the air resistance during driving. Or the through hole 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, and 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 Fig. 9 As shown, as a preferred embodiment of the present invention, a bottom plate ring 1-2 is also 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 a bottom plate spring hole 1-3 opened on the inner side of the bottom plate ring 1-2. The bottom plate 1 is snap-connected with the cover plate 10 through the bottom plate ring 1-2 to ensure a relatively sealed state inside 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 Fig.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 a motor compartment 10-6 arranged inside the cover drive compartment 10-5, the output end of the servo motor 4 is connected to a worm 3, the worm column 3-2 of the worm 3 is installed on a 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, the servo motor 4 is only required to drive the worm column 3-2 to rotate, and the worm gear 3-1 and the worm wheel gear 2-4 cooperate to drive the worm wheel 2 to rotate, thereby driving the reel 2-1 to rotate, thereby achieving the winding and unwinding 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 a battery compartment 10-7 set in the cover driving compartment 10-5. The battery 7 can be used to power the signal and control module 8 and the servo motor 4, and the signal and control module 8 can be used to transmit signals and control the servo motor 4.

[0044] like Fig.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 along its sliding direction, and the baffle sliders 5-1 are slidably installed in the bottom plate guide rails 1-4, so as to achieve the limitation and guidance of the sliding baffle 5 and ensure 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 protection scope 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: It includes a bottom plate and a cover plate, the bottom plate and the cover plate are connected to each other to form an integral body, a plurality of bottom plate through holes are arranged in a circle on the bottom plate, and cover plate through holes are arranged in a circle at corresponding positions on the cover plate; and further includes: A sliding baffle, wherein a plurality of sliding baffles are installed in a circular array on the inner side of the bottom plate, and the number of the sliding baffles is the same as the number of the through holes of the bottom plate, and the bottom plate is also provided with a bottom plate guide rail for guiding each sliding baffle, and each sliding baffle is provided with a baffle spring hole on one side facing the outer edge of the bottom plate, and a tension spring is installed in the baffle spring hole, and the side of the tension spring away from the sliding baffle is connected to the outer edge of the bottom plate; A drive compartment, wherein the drive compartment comprises a bottom plate drive compartment installed at the center of the bottom plate, and a cover plate drive compartment installed at the center of the cover plate. When the bottom plate and the cover plate are connected to each other, the bottom plate drive compartment and the cover plate drive compartment cooperate with each other to form a complete drive compartment, and a control module is installed in the drive compartment; A control module, wherein the control module includes a reel, and the reel is rotatably mounted on a central cylinder arranged in a base plate driving bin, and a driving module for driving the reel to rotate is also arranged in the driving bin, and a plurality of flexible ropes are wound on the reel, and the number of the flexible ropes is the same as the number of sliding baffles, one end of each of the flexible ropes is fixed in a tethering opening arranged on the reel, and the free end of each of the flexible ropes passes through a rope outlet opened on the base plate driving 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, characterized in that: The bottom 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 bottom plate, third threaded holes are 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 bottom plate, and fourth threaded holes are 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 plate, which is used to axially limit the sliding baffle plate.

4. 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 bottom plate ring is also arranged 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, 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, characterized in that: The driving module includes a servo motor and a worm gear, the worm gear is connected to a reel, the servo motor is installed in a motor compartment arranged inside a cover plate driving 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 arranged inside the cover plate driving 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, characterized in that: The driving module also includes a battery and a signal and control module, which are both installed in a battery compartment set in the cover driving 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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