CN111688822B - Rear spoiler with stepless linear length adjustment function - Google Patents
Rear spoiler with stepless linear length adjustment function Download PDFInfo
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- CN111688822B CN111688822B CN202010548490.4A CN202010548490A CN111688822B CN 111688822 B CN111688822 B CN 111688822B CN 202010548490 A CN202010548490 A CN 202010548490A CN 111688822 B CN111688822 B CN 111688822B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/007—Rear spoilers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
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Abstract
Description
技术领域Technical Field
本发明属于后扰流板技术领域,涉及一种可无级调节直线长度的后扰流板。The invention belongs to the technical field of rear spoilers and relates to a rear spoiler with stepless adjustment of the straight length.
背景技术Background technique
国家环境、能源政策影响电动汽车将逐步普及,但目前电动汽车续航里程普遍不高,对于电动车的推广起到了一定的阻碍;在当下提高续航里程是个急需提高的课题,若一般的电动车续航里程达到500公里以上,将对于电动车的推广起到较大的促进作用;减小车身的空气阻力可以减少能源的消耗,从而提高续航里程此可以作为一个提高续航里程的重要方案,后扰流板是增加汽车尾部抓地力和降低汽车空气阻力的重要有效部件,一般应用于两厢车和SUV车型,目前市面上的后扰流板基本采用固定方式,无法根据车辆动态工况改变位置,从而无法实现最优的车身稳定性和空气阻力系数,随着汽车行业电动化发展,汽车零部件中运用后扰流板正不断提高;现有的带动后扰流板的运动部分组成往往较为复杂,包括电驱部件、传动部件、执行部件等,由于上述部件的特点整个系统的应用受到成本高、空间要求大、质量重的限制,上述种种导致了后扰流板难以推广。Electric vehicles will gradually become popular due to the influence of national environmental and energy policies, but the current mileage of electric vehicles is generally not high, which has hindered the promotion of electric vehicles to a certain extent; at present, improving the mileage is a topic that needs to be improved urgently. If the mileage of general electric vehicles reaches more than 500 kilometers, it will play a greater role in promoting the promotion of electric vehicles; reducing the air resistance of the vehicle body can reduce energy consumption, thereby increasing the mileage. This can be used as an important solution to increase the mileage. The rear spoiler is an important and effective component to increase the grip of the rear of the car and reduce the air resistance of the car. It is generally used in hatchbacks and SUV models. At present, the rear spoilers on the market basically adopt a fixed method and cannot change their position according to the dynamic working conditions of the vehicle, so as to achieve the optimal body stability and air resistance coefficient. With the development of electrification in the automotive industry, the use of rear spoilers in automotive parts is constantly increasing; the existing moving parts that drive the rear spoiler are often more complex, including electric drive components, transmission components, execution components, etc. Due to the characteristics of the above components, the application of the entire system is limited by high cost, large space requirements, and heavy mass. The above reasons have led to the difficulty in promoting the rear spoiler.
发明内容Summary of the invention
本发明所要解决的技术问题是针对现有技术的现状,而提供一种结构简易、成本低、直线延伸长度可调的可无级调节直线长度的后扰流板。The technical problem to be solved by the present invention is to provide a rear spoiler with simple structure, low cost and adjustable straight line extension length and capable of steplessly adjusting the straight line length in view of the current status of the prior art.
本发明解决上述技术问题所采用的技术方案为:一种可无级调节直线长度的后扰流板,其特征在于,包括:The technical solution adopted by the present invention to solve the above technical problem is: a rear spoiler with stepless adjustment of straight line length, characterized in that it comprises:
外板;Outer panel;
延伸板,设置在外板下,所述的外板在初始状态时遮蔽住延伸板;An extension plate is arranged under the outer plate, and the outer plate shields the extension plate in an initial state;
执行部件,设置在延伸板下并与延伸板相连,所述的执行部件能够带动延伸板从外板尾部伸出;An actuator component is arranged under the extension plate and connected to the extension plate, and the actuator component can drive the extension plate to extend from the rear of the outer plate;
传动部件,与执行部件相连并能够带动执行部件进行往复式直线运动;The transmission component is connected to the actuator and can drive the actuator to perform reciprocating linear motion;
电机驱动部件,与传动部件连接,所述的电机驱动部件和整车通信相连接,通过速度传感器的反馈判断车辆工况,从而使传动部件和执行部件连接来驱动延伸板运动,并根据车速实时调整延伸板位置,使延伸板处于空气阻力最优的位置。The motor drive component is connected to the transmission component. The motor drive component is connected to the whole vehicle communication, and the vehicle working condition is judged through the feedback of the speed sensor, so that the transmission component and the execution component are connected to drive the extension plate to move, and the position of the extension plate is adjusted in real time according to the vehicle speed, so that the extension plate is in the optimal position for air resistance.
在上述的一种可无级调节直线长度的后扰流板中,所述的传动部件包括有主动轮、定滑轮以及钢丝绳,所述的电机驱动部件的输出端与主动轮连接,钢丝绳绕在主动轮、定滑轮以及执行部件之间,所述的电机驱动部件旋转运动至主动轮放大速度后并通过钢丝绳传递力至定滑轮,所述的定滑轮将力向后传递至执行部件并实现往复式直线运动。In the above-mentioned rear spoiler with stepless adjustment of straight-line length, the transmission component includes a driving wheel, a fixed pulley and a steel wire rope, the output end of the motor drive component is connected to the driving wheel, the steel wire rope is wound between the driving wheel, the fixed pulley and the actuator, the motor drive component rotates to the driving wheel to amplify the speed and transmits force to the fixed pulley through the steel wire rope, the fixed pulley transmits the force backward to the actuator and realizes reciprocating linear motion.
在上述的一种可无级调节直线长度的后扰流板中,所述的执行部件包括有执行件、直线导轨以及直线轴承,在延伸板的下部设置有执行安装支架,执行件与直线轴承组装后一起套设在直线导轨上,直线导轨安装在执行安装支架上,延伸板和钢丝绳均连接到执行件上。In the above-mentioned rear spoiler with stepless adjustment of straight line length, the actuator includes an actuator, a linear guide and a linear bearing. An actuator mounting bracket is provided at the lower part of the extension plate. The actuator and the linear bearing are assembled and mounted on the linear guide together. The linear guide is mounted on the actuator mounting bracket. The extension plate and the wire rope are both connected to the actuator.
在上述的一种可无级调节直线长度的后扰流板中,两个定滑轮与主动轮呈三角排布,钢丝绳带动执行件使得直线轴承沿直线导轨作往复式直线运动。In the above-mentioned rear spoiler with stepless adjustment of linear length, two fixed pulleys and a driving wheel are arranged in a triangle, and a steel wire rope drives the actuator to make the linear bearing perform reciprocating linear motion along the linear guide rail.
在上述的一种可无级调节直线长度的后扰流板中,所述的执行安装支架上设置有固定支架,执行安装支架通过一螺钉安装到固定支架上。In the above-mentioned rear spoiler with stepless adjustment of straight-line length, a fixing bracket is arranged on the execution mounting bracket, and the execution mounting bracket is mounted on the fixing bracket by a screw.
在上述的一种可无级调节直线长度的后扰流板中,所述的延伸板和外板之间设置有导向件,在导向件上嵌有导向轮,延伸板上下表面分别与导向轮配合。In the above-mentioned rear spoiler with stepless adjustment of straight length, a guide piece is provided between the extension plate and the outer plate, a guide wheel is embedded in the guide piece, and the upper and lower surfaces of the extension plate cooperate with the guide wheel respectively.
在上述的一种可无级调节直线长度的后扰流板中,该扰流板还包括有为各个部件支撑固定的内板,所述的执行部件、传动部件以及电机驱动部件均安装在内板上。In the above-mentioned rear spoiler with stepless adjustment of straight-line length, the spoiler also includes an inner plate for supporting and fixing various components, and the actuating component, transmission component and motor drive component are all mounted on the inner plate.
在上述的一种可无级调节直线长度的后扰流板中,所述的延伸板的尾部具有遮蔽翻钩,在遮蔽翻钩与内板之间设置有密封件。In the above-mentioned rear spoiler with steplessly adjustable straight length, the tail of the extension plate is provided with a shielding hook, and a sealing member is provided between the shielding hook and the inner plate.
与现有技术相比,本发明的优点在于可减小对电机做功的要求,从而可减小对电机力矩、速度要求,控制电机成本;从而减小对电机速度的要求;传动系统为柔性传动:钢丝绳+定滑轮+直线轴承组成了传动系统,零部件结构简单、加工成本低,且需求空间小;执行部分采用塑料件,质量较轻同时成本也较低,可降低结构成本、减小空间需求、同时降低部件重量,有利于运动部件在汽车产品上的运用推广,提高车辆零部件的附加值。Compared with the prior art, the advantages of the present invention are that it can reduce the requirements for the work done by the motor, thereby reducing the requirements for the motor torque and speed, and controlling the motor cost; thereby reducing the requirements for the motor speed; the transmission system is a flexible transmission: the steel wire rope + fixed pulley + linear bearing constitutes the transmission system, the component structure is simple, the processing cost is low, and the space required is small; the execution part adopts plastic parts, which are light in weight and low in cost, can reduce the structural cost, reduce the space requirement, and reduce the weight of the components, which is conducive to the application and promotion of moving parts in automotive products and improves the added value of vehicle components.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1可无级调节直线长度的后扰流板的整体结构示意图;FIG1 is a schematic diagram of the overall structure of a rear spoiler with stepless adjustment of the straight length;
图2本执行部件和传动部件配合的结构示意图;Fig. 2 is a schematic diagram of the structure of the cooperation between the execution component and the transmission component;
图3是可无级调节直线长度的后扰流板的内部结构示意图。FIG. 3 is a schematic diagram of the internal structure of a rear spoiler with stepless adjustment of the straight length.
具体实施方式Detailed ways
以下是本发明的具体实施例并结合附图,对本发明的技术方案作进一步的描述,但本发明并不限于这些实施例。The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
图中,外板1;延伸板2;内板3;执行部件4;传动部件5;电机驱动部件6;主动轮7;定滑轮8;钢丝绳9;执行件10;直线导轨11;直线轴承12;执行安装支架13;固定支架14;导向件15;导向轮16;遮蔽翻钩17;密封件18;电控部分19。In the figure, outer plate 1; extension plate 2; inner plate 3; actuator 4; transmission component 5; motor drive component 6; driving wheel 7; fixed pulley 8; wire rope 9; actuator 10; linear guide 11; linear bearing 12; actuator mounting bracket 13; fixed bracket 14; guide member 15; guide wheel 16; shielding hook 17; sealing member 18; electronic control part 19.
如图1和图3所示,本可无级调节直线长度的后扰流板,包括外板1、延伸板2、内板3、执行部件4、传动部件5以及电机驱动部件6,这里延伸板2设置在外板1下,执行部件4主要设置在延伸板2下并与延伸板2相连,执行部件4能够带动延伸板2从外板1尾部伸出,传动部件5与执行部件4相连并能够带动执行部件4进行往复式直线运动,电机驱动部件6与传动部件5连接,这里扰流板还包括有为各个部件支撑固定的内板3,执行部件4、传动部件5以及电机驱动部件6均安装在内板3上,电机驱动部件6和整车通信的电控部分19相连接,通过速度传感器的反馈判断车辆工况,从而使传动部件5和执行部件4连接来驱动延伸板2运动,并根据车速实时调整延伸板2位置,使延伸板2处于空气阻力最优的位置。As shown in Figures 1 and 3, the rear spoiler with stepless adjustment of the straight length includes an outer plate 1, an extension plate 2, an inner plate 3, an actuator 4, a transmission component 5 and a motor drive component 6. Here, the extension plate 2 is arranged under the outer plate 1, and the actuator 4 is mainly arranged under the extension plate 2 and connected to the extension plate 2. The actuator 4 can drive the extension plate 2 to extend from the rear of the outer plate 1. The transmission component 5 is connected to the actuator 4 and can drive the actuator 4 to perform reciprocating linear motion. The motor drive component 6 is connected to the transmission component 5. Here, the spoiler also includes an inner plate 3 for supporting and fixing various components. The actuator 4, the transmission component 5 and the motor drive component 6 are all installed on the inner plate 3. The motor drive component 6 is connected to the electronic control part 19 of the whole vehicle communication. The vehicle working condition is judged by the feedback of the speed sensor, so that the transmission component 5 and the actuator 4 are connected to drive the extension plate 2 to move, and the position of the extension plate 2 is adjusted in real time according to the vehicle speed, so that the extension plate 2 is in the position with optimal air resistance.
具体来说,如图2所示,为了实现后扰流板的无级调节,这里传动部件5包括有主动轮7、定滑轮8以及钢丝绳9,两个定滑轮8与主动轮7呈三角排布,呈三角排布使得力的传递更加有效,电机驱动部件6的输出端与主动轮7连接,钢丝绳9绕在主动轮7、定滑轮8以及执行部件4之间,电机驱动部件6旋转运动至主动轮7放大速度后并通过钢丝绳9传递力至定滑轮8,定滑轮8将力向后传递至执行部件4并实现往复式直线运动,这里电机驱动部件6可以带动主动轮7滚动从而放大了速度,又由于钢丝绳9是连接钢丝绳9的,钢丝绳9就会在主动轮7、定滑轮8之间运动,钢丝绳9是连接执行部件4的,这样钢丝绳9运动,就会使得执行部件4运动,执行部件4包括有执行件10、直线导轨11以及直线轴承12,为了方便执行部件4的安装,在延伸板2的下部设置有执行安装支架13,执行安装支架13上设置有固定支架14,执行安装支架13通过一螺钉安装到固定支架14上,这样就对执行安装支架13的位置进行固定,使得执行件10运动时更加稳定,执行件10与直线轴承12组装后一起套设在直线导轨11上,直线导轨11安装在执行安装支架13上,延伸板2和钢丝绳9均连接到执行件10上,延伸板2和外板1之间设置有导向件15,在导向件15上嵌有导向轮16,延伸板2上下表面分别与导向轮16配合,这样通过导向轮16可以保证延伸板2的运动方向,防止出现偏差,这里钢丝绳9运动就带动执行件10运动,直线轴承12可以与直线导轨11配合更加顺畅,方便进行滑动,执行件10就与直线轴承12一起沿着直线导轨11作往复式直线运动,由于执行件10通过直线轴承12沿直线导轨11运动,相当于实现了无级变化,从而使得延伸板2位置的调整更加准确,这里由于延伸板2也连接到执行件10上,这样就会带动延伸板2运动,外板1在初始状态时遮蔽住延伸板2,当延伸板2运动时并从外板1尾部伸出,从而进行工作。Specifically, as shown in FIG2 , in order to realize the stepless adjustment of the rear spoiler, the transmission component 5 includes a driving wheel 7, a fixed pulley 8 and a wire rope 9. The two fixed pulleys 8 and the driving wheel 7 are arranged in a triangle, and the triangular arrangement makes the force transmission more effective. The output end of the motor drive component 6 is connected to the driving wheel 7. The wire rope 9 is wound between the driving wheel 7, the fixed pulley 8 and the execution component 4. The motor drive component 6 rotates to the driving wheel 7 to amplify the speed and transmits the force to the fixed pulley 8 through the wire rope 9. The fixed pulley 8 transmits the force backward to the execution component 4 and realizes reciprocating linear motion. Here, the motor drive component 6 rotates to the driving wheel 7 to amplify the speed and transmits the force to the fixed pulley 8 through the wire rope 9. The fixed pulley 8 transmits the force backward to the execution component 4 and realizes reciprocating linear motion. The moving component 6 can drive the driving wheel 7 to roll, thereby amplifying the speed. Since the wire rope 9 is connected to the wire rope 9, the wire rope 9 will move between the driving wheel 7 and the fixed pulley 8. The wire rope 9 is connected to the actuator 4. In this way, the movement of the wire rope 9 will cause the actuator 4 to move. The actuator 4 includes an actuator 10, a linear guide 11 and a linear bearing 12. In order to facilitate the installation of the actuator 4, an actuator mounting bracket 13 is provided at the lower part of the extension plate 2. A fixed bracket 14 is provided on the actuator mounting bracket 13. The actuator mounting bracket 13 is installed to the fixed bracket 14 by a screw. In this way, the position of the execution mounting bracket 13 is fixed, so that the actuator 10 is more stable when moving. The actuator 10 and the linear bearing 12 are assembled together and sleeved on the linear guide rail 11. The linear guide rail 11 is installed on the execution mounting bracket 13. The extension plate 2 and the wire rope 9 are connected to the actuator 10. A guide member 15 is provided between the extension plate 2 and the outer plate 1. A guide wheel 16 is embedded on the guide member 15. The upper and lower surfaces of the extension plate 2 are respectively matched with the guide wheel 16. In this way, the movement direction of the extension plate 2 can be guaranteed by the guide wheel 16 to prevent deviation. Here, the movement of the wire rope 9 brings When the actuator 10 moves, the linear bearing 12 can cooperate with the linear guide 11 more smoothly and slide conveniently. The actuator 10 and the linear bearing 12 make reciprocating linear motion along the linear guide 11. Since the actuator 10 moves along the linear guide 11 through the linear bearing 12, it is equivalent to achieving stepless change, so that the adjustment of the position of the extension plate 2 is more accurate. Here, since the extension plate 2 is also connected to the actuator 10, it will drive the extension plate 2 to move. The outer plate 1 covers the extension plate 2 in the initial state, and when the extension plate 2 moves, it extends from the tail of the outer plate 1 to work.
为了对后扰流板的内部部件进行遮丑,延伸板2的尾部具有遮蔽翻钩17,在遮蔽翻钩17与内板3之间设置有密封件18,这里通过密封件18可以保证密封性,防止损坏到内部器件。In order to conceal the internal components of the rear spoiler, the tail of the extension plate 2 is provided with a shielding hook 17, and a seal 18 is provided between the shielding hook 17 and the inner plate 3, where the seal 18 can ensure sealing and prevent damage to internal components.
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,但并不会偏离本发明的精神所定义的范围。The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the scope defined by the spirit of the present invention.
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