WO2015027964A1 - 汽车遮阳篷 - Google Patents

汽车遮阳篷 Download PDF

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Publication number
WO2015027964A1
WO2015027964A1 PCT/CN2014/085786 CN2014085786W WO2015027964A1 WO 2015027964 A1 WO2015027964 A1 WO 2015027964A1 CN 2014085786 W CN2014085786 W CN 2014085786W WO 2015027964 A1 WO2015027964 A1 WO 2015027964A1
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WO
WIPO (PCT)
Prior art keywords
tarpaulin
automobile
struts
disposed
traction
Prior art date
Application number
PCT/CN2014/085786
Other languages
English (en)
French (fr)
Inventor
王玲
Original Assignee
苏州锐石能源开发技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201310391501.2A external-priority patent/CN103434375B/zh
Priority claimed from CN201310390798.0A external-priority patent/CN103407353B/zh
Application filed by 苏州锐石能源开发技术有限公司 filed Critical 苏州锐石能源开发技术有限公司
Priority to US14/916,073 priority Critical patent/US9783033B2/en
Publication of WO2015027964A1 publication Critical patent/WO2015027964A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J11/00—Removable external protective coverings specially adapted for vehicles or parts of vehicles, e.g. parking covers
    • B60J11/02—Covers wound on rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R9/00—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like

Definitions

  • the invention relates to a car awning which can be used as a luggage rack of an automobile, which is directly fixedly mounted on the top luggage rack of the automobile or installed in the middle of the existing luggage rack of the automobile.
  • Cigar Patent Publication No. 101797879A discloses a solar electric remote control car cover, the lifting mechanism comprising a screw, a folding rod fixing seat, a sleeve outer casing and a folding rod lifting seat, at least between the folding rod lifting seat and the folding rod fixing seat
  • the lifting mechanism comprising a screw, a folding rod fixing seat, a sleeve outer casing and a folding rod lifting seat, at least between the folding rod lifting seat and the folding rod fixing seat
  • There are three folding arms connected with a cloth and the folding arms are hingedly connected by two folding rods, and the two folding rods are respectively hinged at positions around the outer circumference of the folding rod lifting seat and the folding rod fixing seat.
  • the disadvantage is that the tarpaulin has an irregular round umbrella shape after being unfolded, covering only the roof to the window position, the shading area is small, and the sun protection effect is not good enough. Because of its special shape, it is only suitable for cars and not for all models. There are a number of folding arms, and the tarpaulin shrinks and takes up a large volume. The overall appearance is not beautiful enough. It is not convenient to use, it needs to be placed and removed repeatedly, and the anti-theft performance is not perfect.
  • Chinese Patent Publication No. 102555748A discloses an energy-saving remote-controlled automobile awning which is placed on both ends of the roof by suction cups in parallel with the axle, and the movable hood is used to drive the awning to be unfolded and closed by rotating the rotating cover 180 degrees.
  • the disadvantage is that a single tarpaulin is semi-circular after being unfolded and cannot completely cover the car body, and the sunshade area is very limited.
  • the awning is not integrated with the car body. It must be installed manually when it is used. It must be put up in the trunk before driving, which is inconvenient to use. Windproof and anti-theft performance is not perfect.
  • an object of the present invention is to provide a car awning that can be used as part of a car luggage rack or a luggage rack.
  • the present invention provides a vehicle awning comprising a mounting bracket, a main winding mechanism and a traction mechanism, and the main winding mechanism comprises a main reel and a cascading roll rotatably disposed on the mounting frame about its own axis.
  • Two first tarpaulins wound around the main reel are respectively connected to the outer ends of the two first tarpaulins for respectively pulling two layers of the first struts that move the first tarpaulin.
  • the two first struts are movable in opposite directions along a first line that is perpendicular to the main spool axis, and the traction mechanism is used to pull the two first struts to move.
  • the traction mechanism includes two pairs of folding rods, one end of each pair of folding rods is connected to the mounting bracket, and the other end is connected to the two first supporting rods respectively, and the folding rods comprise two relatively foldable or unfolding rods. a curved arm and a spring disposed between the two curved arms.
  • the automobile awning further includes a side winding mechanism including two side reels, two tarpaulins respectively wound on the two side reels, and respectively connected to the second tarpaulins
  • the outer ends of the two second struts for respectively moving the second tarpaulins, and the two second struts are slidably coupled to the two first struts respectively;
  • a control mechanism comprising a first worm wheel rotatably disposed on the mounting bracket, a first worm adapted to be matched and driven by the first worm wheel, and two rotatably disposed on the two first struts a second worm gear, two second worms adapted to be respectively matched by two second worm gears, wherein the two side reels are respectively rotatably connected to the first worm about their own axes, and the two second worms are respectively connected to the two worms
  • the second struts, the rotating shaft of the first worm wheel and the rotating shaft of the second worm wheel are respectively perpendicular to the axis of the main reel.
  • the side winding mechanism is preferably two sets and respectively located on both sides of the main winding mechanism, the first worms of the two side winding mechanisms have opposite thread directions and the second worm thread has opposite threads.
  • the side reel is provided with a coil spring for winding the second tarpaulin, and the second tarpaulin has a first end connected to the coil spring and a second end connected to the second struts rod.
  • first worm wheel and the second worm wheel are driven by a second motor.
  • first tarpaulin and the second tarpaulin are provided with a plurality of through holes.
  • the second tarpaulin has a width of 0.25 to 1 meter, and the single-layer second tarpaulin has a length of 2 to 4 meters.
  • a first transmission mechanism is disposed on one end of the mounting bracket, and the main reel is driven by a first motor through the first transmission mechanism.
  • the first tarpaulin has a width of 2 to 3 meters, and the single-layer first tarpaulin has a length of 2 to 4 meters.
  • the automotive awning further includes a housing, the mounting bracket, the main reel, and the first tarpaulin disposed below the outer casing.
  • the automobile awning further includes a base for fixedly mounting on the roof of the automobile, the mounting bracket being rotatably coupled to the base in a plane substantially parallel to the roof, the rotation of the mounting bracket relative to the base
  • the awning has two states. In the first state, the axis of the main reel is substantially parallel to the front and rear direction of the automobile, the first tarpaulin is wound on the main reel, and the main winding mechanism and the mounting frame are used as a luggage rack. In the second state, the axis of the main reel is perpendicular to the front-rear direction of the automobile, and the first tarpaulin is unwound and unfolded.
  • a rotating magnet is disposed in the middle of the base, and the mounting frame is driven to rotate by the rotating magnet.
  • the traction mechanism includes a bracket fixedly disposed on the base, a worm wheel driven by a motor, two drawbars engaged by the worm gear, and two traction cables respectively disposed on the respective drawbars of the chain, a mounting bracket is rotatably disposed on the bracket and the main reel is driven by the motor through a worm wheel, the thread axes of the two drawbars are parallel to each other and perpendicular to the axis of the worm wheel, and the thread directions of the two drawbars are opposite,
  • the traction cable is disposed on the drawbar and has an end fixedly coupled to the first spreader bar.
  • a rotating magnet is disposed in the middle of the bracket, and the mounting bracket is driven to rotate by the rotating magnet.
  • the traction bar is rotatably provided with a traction sheave driven by the motor or a winding motor, the traction cable being wound around the traction sheave.
  • the first tarpaulin has a width of 1 to 1.5 meters, and the single-layer first tarpaulin has a length of 1 to 3 meters.
  • the invention adopts the above structure and has the following advantages: the awning is installed on the top of the automobile through the mounting bracket, no need to be repeatedly installed and disassembled, and has a good anti-theft and windproof effect; the tarpaulin has a certain distance from the roof, and the air can be free. The ground circulates between the car body and the tarpaulin to prevent heat from accumulating between the roof and the awning, and the sun protection effect is good; the awning is easy to operate for unfolding and gathering.
  • FIG. 1 is a schematic structural view of a first embodiment of the present invention
  • Figure 2 is a side view of the structure shown in Figure 1;
  • Figure 3 is a schematic structural view of a second embodiment according to the present invention.
  • Figure 4 is a side view of the structure shown in Figure 3;
  • Figure 5 is a schematic structural view of a third embodiment according to the present invention.
  • Figure 6 is a schematic view showing the manner of rotation of the main winding mechanism in the third embodiment
  • Figure 7 is a schematic view showing the structure of the third embodiment in the second state according to the present invention.
  • Traction mechanism 22, curved arm; 23, hinge shaft; 24, hinge seat; 25, first worm wheel; 26, second worm wheel;
  • a car awning includes:
  • the main winding mechanism 1 includes a mounting bracket 10 disposed on the roof of the vehicle, a main reel 12 rotatably disposed on an upper portion of the mounting bracket 10, and two layers laminated and wound around the main reel 12 a first tarpaulin 13 for pulling two first struts 14 of the first tarpaulin 13, the first tarpaulin 13 having a first end wound around the main reel 12 and a fixed connection
  • the first brace rod 14 is movable in a direction perpendicular to the axis of the main reel 12 and the directions of movement of the two first brace rods 14 are opposite;
  • the traction mechanism 2 includes two pairs of folding rods respectively disposed on two sides of the mounting frame 10, one end of the folding rod is rotatably connected with the mounting frame 10, and the other end is rotatably connected with the first supporting rod 14, the folding
  • the rod has two curved arms 22 that are relatively foldable or openable and a compression spring (not shown) is mounted between the two curved arms 22.
  • the awning further includes a side roll mechanism 3, and the side roll mechanism 3 includes two side reels 33, and a second tarpaulin 34 wound on each of the two side reels 33, respectively connected to each
  • the outer ends of the two tarpaulins 34 are respectively used to respectively pull the two second struts 35 of the movement of the second tarpaulins 34, and the two second struts are slidably coupled to the two first struts 14 respectively.
  • the second tarpaulin 34 of the side roll mechanism 3 can be deployed toward the side after the first tarpaulin 13 of the main roll mechanism 1 is unfolded, the unfolding being effected by a control mechanism.
  • the control mechanism includes a first worm wheel 25 rotatably disposed on the mounting frame 10, a first worm 31 adapted to be matched and driven by the first worm wheel 25, and rotatably disposed on the two first struts 14 respectively.
  • Two second worm gears 26, two second worms 32 adapted to be matched by the two second worm gears 26, respectively.
  • the two side reels 33 are respectively rotatably connected to the first worm 31 about their own axes, and the two second worms 32 are respectively connected to the two second struts 35, the rotating shaft of the first worm wheel 25 and the second worm wheel 26
  • the rotating shafts are respectively perpendicular to the axis of the main reel 12.
  • the thread axis of the first worm wheel 25 is perpendicular to the thread axis of the first worm 31, and the thread axis of the second worm wheel 26 is perpendicular to the thread axis of the second worm 32.
  • the side roll mechanism 3 is mounted to the lower portion of the mounting frame 10 and is movable along the longitudinal direction of the mounting frame 10 (parallel to the axis of the main reel 12).
  • the side reel 33 is provided with a coil spring (not shown) for winding the second tarpaulin 34, and the second tarpaulin 34 has a first end connected to the coil spring and connected to the second struts 35. Second end.
  • the side roll mechanisms 3 are two and are respectively on opposite sides of the main roll mechanism 1, the threads of the first worm 31 of the two side roll mechanisms 3 are opposite in direction, and the second worm 32 is The direction of the thread is also reversed.
  • the side roll mechanism 3 moves to both sides of the door of the automobile, and the second struts 35 drive the second tarpaulin 34 to spread to cover both sides of the car.
  • One end of the mounting frame 10 is provided with a worm gear rotator 15 which is driven by a worm gear rotator 15 by a first motor (not shown).
  • the first worm wheel 25 and the second worm wheel 26 are driven by a second motor, which is preferably a synchronous motor.
  • the mounting bracket 10 is fixedly mounted to the roof in a direction perpendicular to the front and rear of the vehicle, and the "front and rear direction" referred to herein and elsewhere is defined in accordance with the habits of those skilled in the art, that is, the front and rear directions of the conventionally recognized.
  • the automobile awning can be used as a luggage rack of the automobile.
  • Both ends of the folding rod are rotatably connected to the mounting bracket 10 and the first supporting rod 14 through the hinge seat 24, and the two curved arms 22 are rotatably connected by the hinge shaft 23.
  • the first tarpaulin 13 and the second tarpaulin 34 are provided with a plurality of through holes.
  • the first tarpaulin 13 has a width of 2 to 3 meters, and the single-layer first tarpaulin 13 has a length of 2 to 4 meters.
  • the second tarpaulin 34 has a width of 0.25 to 1 meter, and the single-layer second tarpaulin 34 has a length of 2 to 4 meters.
  • the main roll mechanism 1 is further provided with a casing, and the mounting frame 10, the main reel 12 and the first tarpaulin 14 are disposed under the casing.
  • the automobile awning looks like a luggage rack when the main winding mechanism and the side winding mechanism are in a rewinding state.
  • the automobile luggage rack of the prior art is mostly hollow, and the luggage rack housing of the present invention comprises a drum wound with a tarpaulin, which is solid, in contrast, the awning of the present invention is used as baggage. When it is framed, it will have stronger load-bearing performance.
  • the awning When the automobile is about to drive, the awning is folded.
  • the second motor drives the first worm wheel and the second worm wheel rotates in one direction
  • the first worm of the two side winding mechanisms moves toward the middle of the mounting frame to drive the side reel to shrink
  • the second The worm moves toward the middle of the first struts to drive the second struts to contract
  • the first motor drives the worm worm to drive the main reel to rotate in one direction so that the first tar is shrink-wound, and the first struts are pulled
  • Pulling the folding rod causes the two bending arms of the folding rod to be relatively folded, the compression spring is compressed, and the second supporting rod moves along the first supporting rod toward the mounting frame, and at the same time under the contraction force of the coil spring of the side reel
  • the second tarpaulin is wound on the side reel, and the awning can be used as a luggage rack of the automobile;
  • the awning When parking, the awning is unfolded, and as the second motor drives the first worm wheel and the second worm wheel rotates in the other direction, the first worm of the two side winding mechanisms moves toward the end of the mounting frame to drive the side reel to the car. Above the side, the second worm moves toward the end of the first struts to drive the second struts to the upper sides of the car, and the first motor drives the worm worm to drive the main reel to rotate in the other direction.
  • a tarpaulin is loose, and the restoring force of the compression spring pushes the two crank arms to open relatively, and drives the first struts to move back toward the main reel, so that the first tarpaulin can be unfolded on the roof, and The movement of a supporting rod, the second supporting rod connected thereto through the second worm is moved back to the side reel, the coil spring is stretched, and the second tarpaulin is spread over the sides of the vehicle body to cover the two cars side.
  • the two sides of the mounting frame mentioned herein specifically refer to the upper and lower sides of the paper surface in FIG. 1, and one end of the mounting frame refers to one end of the left and right ends of the paper in FIG.
  • Both sides of the main roll mechanism referred to herein correspond to the left and right sides in FIG.
  • FIG. 3-4 The awning structure according to the embodiment is shown in FIG. 3-4.
  • This embodiment is similar to the structure of the first embodiment.
  • the main difference is that the awning in this embodiment does not have a side winding mechanism, and the mounting frame 10 is Instead of being fixed to the top of the car, the base 100 is fixedly mounted on the roof of the car, and the mounting frame 10 is rotatably coupled to the base 100, and the mounting frame 10 is rotatable in a plane substantially parallel to the roof.
  • the awning according to the present embodiment is preferably mounted to the roof in two sets, and the two sets of awnings are juxtaposed on both sides of the roof.
  • the base 100 can be fixed to the roof by screws.
  • the awning has at least two states by rotation of the mounting bracket 10 relative to the base 100.
  • the axis of the main reel 12 In the first state, the axis of the main reel 12 is parallel to the front-rear direction of the automobile, and the first tarpaulin 13 is gathered and wound around On the main reel 12, the main reel mechanism 1 and the mounting frame 10 are used as a roof rack; in the second state, the axis of the main reel 12 is perpendicular to the front and rear direction of the car, and the first tarpaulin 13 is unfolded on the roof. To cover the car.
  • the rotation of the mounting frame 10 can be driven by a rotating magnet (not shown), and in particular the rotating magnet can be a 90-degree rotating magnet that can be controlled by remote control.
  • the width of the first tarpaulin 13 is preferably from 1 to 1.5 meters, and the length of the single-layer first tarpaulin is from 1 to 3 meters.
  • the first tarpaulin can be covered by the vehicle body in addition to covering the outside of the vehicle body to cover the side of the car.
  • the main roll mechanism 1 can also be covered with a casing.
  • the mounting frame 10, the main reel 12 and the first tarpaulin 13 are disposed under the casing so that the awning is in the first state. It looks like a luggage rack.
  • the car luggage rack of the prior art is mostly hollow, and the luggage rack housing of the present invention comprises a main reel wound with a first tarpaulin, which is solid, in contrast, the awning of the present invention When used as a luggage rack, it will have stronger load bearing performance.
  • the working principle of the embodiment is as follows: when the automobile is going to travel, that is, the awning is switched from the second state to the first state, the motor-driven worm gear rotator 15 drives the main reel 12 to rotate in one direction so that the first tarpaulin 13 Shrinkage winding, the first brace rod 14 pulls the folding rod so that the two bent arms 22 of the folding rod are relatively folded, the compression spring is compressed, until the curved arm 22 is completely folded, and the first tarpaulin 13 is wound around the main reel 12 After that, the control rotating magnet is turned on to rotate the traction mechanism 2 and the main winding mechanism 1 by 90 degrees.
  • the axis of the main reel 12 is parallel to the front-rear direction of the automobile, and the main winding mechanism 1 is used as a luggage rack; That is, the awning is switched from the first state to the second state, and the motor-driven worm gear rotator 15 drives the main reel 12 to rotate in the other direction so that the first tarpaulin 13 is loosened, and the restoring force of the compression spring pushes the two melody
  • the arm 22 is relatively opened to drive the first struts 14 to move away from the main reel 12, so that the first tarpaulin 13 can be unfolded, and when the compression spring is reset to its initial position, the first tarpaulin 13 is deployed on the roof. Cover the car.
  • the automobile awning includes:
  • the base 21 is fixedly mounted on the roof of the automobile, and specifically, can be fixedly connected by screws;
  • a primary winding mechanism 1' that is rotatable relative to the vehicle in a plane substantially parallel to the roof, the primary winding mechanism 1' including a primary winding mechanism mounting bracket 221, rotatably disposed about its own axis, mounted to the primary winding mechanism a main reel 222 of the frame 221, two first tarpaulins 223 stacked and wound around the main reel 222, and two first struts 224 for pulling the first tarpaulin 223, the A tarpaulin 223 has a first end wound around the main reel 222 and a second end fixedly coupled to the first struts 224, the first struts 224 being perpendicular to the main reel 222 The direction of the axis moves and the directions of movement of the two first struts 224 are opposite;
  • a traction mechanism 2' disposed on the base 21 for pulling the first brace bar 224 to move;
  • the main winding mechanism 1' is disposed on the traction mechanism 2'.
  • the multifunctional automobile awning has two states. In the first state, the axis of the main reel 222 is parallel to the traveling direction of the automobile.
  • the first tarpaulin 223 is wound on the main reel 222, and the main reel mechanism 1' is used as a luggage rack; in the second state, the axis of the main reel 222 is perpendicular to the traveling direction of the automobile.
  • the first tarpaulin 223 is deployed on the roof to cover the car.
  • the driving can be realized by using an on-board power source or a solar energy or a battery, and the remote control device is used to control the switching between the first state and the second state of the multifunctional automobile awning.
  • the traction mechanism 2' includes a bracket 231 fixedly disposed on the base 21, a worm wheel 232 coupled to the motor, and two drawbars 233 coupled to the worm gear 232 by a threaded fit, respectively disposed on the drawbar
  • Two traction cables 234 on the 233 the mounting bracket 221 is rotatably disposed on the bracket 231 and the main reel 222 is driven by the worm wheel 232, and the thread axes of the two drawbars 233 are parallel to each other and The thread axis of the worm wheel 232 is perpendicular, and the threads of the two drawbars 233 are opposite.
  • the traction cable 234 is disposed on the drawbar 233 and its end is fixedly coupled to the first spreader bar 224.
  • the motor is a synchronous motor.
  • a rotating magnet 236 is disposed in the middle of the bracket 231, and the mounting bracket 221 is disposed on the rotating magnet 236.
  • the rotating magnet is a 90-degree rotating magnet that can be controlled by remote control.
  • the traction rod 233 is rotatably provided with a traction wheel 235 that is driven by the motor.
  • the traction cable 234 is wound around the traction wheel 235 and the end is fixedly connected to the first struts 224.
  • the traction wheel 235 and the worm wheel 232 can be driven by a synchronous motor or by two motors.
  • the first tarpaulin 223 is provided with a plurality of through holes for circulating air between the first tarpaulin and the automobile to prevent heat from accumulating on the roof, and the heat dissipation effect is excellent.
  • the first tarpaulin 223 has a width of 1 to 1.5 meters, and the single-layer first tarpaulin has a length of 1 to 3 meters.
  • the first tarpaulin can be covered by the vehicle body in addition to covering the outside of the vehicle body to cover the side of the car.
  • the main roll mechanism 1' is further covered with a casing, and the mounting frame 221, the main reel 222 and the first tarpaulin 223 are disposed under the outer casing, so that the awning looks like a baggage when in the first state. frame.
  • the car luggage rack of the prior art is mostly hollow, and the luggage rack housing of the present invention comprises a main reel wound with a first tarpaulin, which is solid, in contrast, the awning of the present invention When used as a luggage rack, it will have stronger load bearing performance.
  • the working principle of the embodiment is as follows: when the automobile is going to travel, that is, the awning is switched from the second state to the first state, and the motor driving worm wheel 232 is rotated in one direction to drive the two traction rods 233 toward the main direction in two opposite directions.
  • the reel 222 moves, and as the traction cable 234 pulls the first struts 224, the first tarpaulin 223 is contracted and wound on the main reel 222 until the first tarpaulin 223 is wound, and the rotating magnet 236 is controlled to open.
  • the main winding mechanism 1' is rotated 90 degrees.
  • the axis of the main reel 222 is parallel to the traveling direction of the automobile, and the main reel mechanism 1' is used as a luggage rack; when parking, the awning is the first one.
  • the state is switched to the second state, the control rotating magnet 236 is opened, and the main winding mechanism 1' is rotated by 90 degrees.
  • the axis of the main reel 222 is perpendicular to the traveling direction of the automobile, and the motor driving worm wheel 232 is rotated in the other direction to drive the two.
  • the drawbars 233 move back against the main reel 222 in two opposite directions, and as the traction cables 234 pull the first brace bars 224, the first tarpaulins 223 are deployed on the roof to cover the car.
  • the awning according to the present embodiment is preferably mounted to the roof in two sets, and the two sets of awnings may be juxtaposed on both sides of the roof, and the structure of the two sets of awnings may be changed according to the idea of the present invention.
  • the traction mechanisms in the two sets of awnings can be of different configurations and will not be described in detail herein.

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Abstract

一种汽车遮阳篷，包括安装架（10）、主卷机构（1）、牵引机构（2）、主卷机构（1）包括可绕自身轴线转动地设置于安装架（10）上的主卷筒（12）、层叠卷绕于主卷筒（12）上的两层第一篷布（13）、分别连接于两层第一篷布（13）的外端，以用于分别牵引两层第一篷布（13）移动的两个第一撑布杆（14），两个第一撑布杆（14）能够沿一垂直于主卷筒（12）轴线的第一线路朝相反方向移动，牵引机构（2）用于牵引两个第一撑布杆（14）移动。通过安装架（10）将遮阳篷安装在汽车顶部，篷布展开可以用来给汽车遮阳，篷布收卷后遮阳篷可用作汽车的行李架。

Description

汽车遮阳篷
技术领域
本发明涉及一种汽车遮阳篷，其可用作汽车的行李架，直接固定安装于汽车顶端行李架部位，或安装于汽车已有行李架的中部。
背景技术
汽车作为一种重要的交通工具，已被越来越多的消费者购买使用。由于汽车大多停放在露天场地，在晴天，尤其是夏天，汽车受阳光的照射，车内温度非常高。一方面，在司乘人员进入汽车内时，舒适度差；另一方面，为了较快较舒适的使用汽车，人们通常会打开车内空调，以燃烧能源的方式换取温度的降低，增大了车辆的运行成本，不符合节能环保的理念；此外，汽车内的皮革、喷漆等材料在暴晒下容易释放出有毒有害气体，车内的部件也容易氧化。因此，对汽车进行遮阳十分重要。目前，虽然已经有汽车遮阳蓬出现，但存在如下缺点：1、不方便使用，需要反复放置和拆除，2、容易被风吹掉，不防风，3、容易被盗，不防盗，4、与汽车本身不成一体，影响美观，5、遮阳效果不好。此外，仅考虑了车顶的遮阳，汽车侧面尤其是车窗部位无法做到有效遮挡。
公开号为101797879A的中国专利公开了一种太阳能电动遥控车罩，其升降机构包括螺杆、折叠杆固定座、套筒外壳和折叠杆升降座，折叠杆升降座和折叠杆固定座之间至少设有三条连接有遮布的折叠臂，折叠臂由两条折叠杆相互铰接而成，两条折叠杆分别铰接在折叠杆升降座和折叠杆固定座外圆周边的位置上。当折叠臂打开时，遮布随之打开起到遮阳挡雨的作用，当折叠臂收拢时，遮布随之收拢。其缺点是：篷布展开后呈不规则圆伞形，只覆盖车顶到车窗位置，遮阳面积小，防晒效果不够好。因为其展开的特殊形状，只适用于小轿车而不能用于所有车型。有多条折叠臂，篷布收缩后，占用体积大。整体外观不够美观。且不方便使用，需要反复放置和拆除，防盗性能亦不够完善。
公开号102555748A的中国专利公开了一种节能遥控式汽车遮阳篷，其在使用时通过吸盘与车轴平行置于车顶两端，通过将旋转罩180度转动使得可动杆带动遮阳篷展开与收起。其缺点是：单个篷布展开后呈半圆形，不能完全遮盖车体，遮阳面积十分有限。两个遮阳蓬之间无有效支撑，导致车顶部分没有有效遮阳。遮阳篷与车体不成一体，使用时必须手动安装，行驶前必须收起置于后备箱中，使用不方便。防风防盗性能不够完善。
发明内容
针对上述问题，本发明的目的是提供一种可用作汽车行李架或行李架一部分的汽车遮阳篷.
为解决上述技术问题，本发明提供一种汽车遮阳篷，包括安装架、主卷机构、牵引机构，主卷机构包括可绕自身轴线转动地设置于所述安装架上的主卷筒、层叠卷绕于所述主卷筒上的两层第一篷布、分别连接于两第一篷布的外端以用于分别牵引两层所述第一篷布移动的两个第一撑布杆。两个第一撑布杆能够沿一垂直于主卷筒轴线的第一线路朝相反方向移动，牵引机构用于牵引两个第一撑布杆移动。
在一优选实例中，牵引机构包括两对折叠杆，每对折叠杆的一端与安装架相连接，另一端与两个第一撑布杆分别连接，各折叠杆包括可相对收拢或展开的两个曲臂和设置于两曲臂之间的弹簧。
在一具体实例中，汽车遮阳篷还包括侧卷机构，该侧卷机构包括两个侧卷筒、分别卷绕于两个侧卷筒上的第二篷布、分别连接于各第二篷布的外端以用于分别牵引各第二篷布移动的两个第二撑布杆，两个第二撑布杆分别可滑动地连接于两个第一撑布杆；
控制机构，其包括可转动地设置于安装架上的第一蜗轮、适于由所述第一蜗轮匹配传动的第一蜗杆、分别可转动地设置于两个第一撑布杆的两个第二蜗轮、适于分别由两个第二蜗轮匹配传动的两个第二蜗杆，其中，两个侧卷筒分别可绕自身轴线转动地连接于第一蜗杆，两个第二蜗杆分别连接于两个第二撑布杆，第一蜗轮的转轴、第二蜗轮的转轴分别与主卷筒的轴线相垂直。
进一步地，侧卷机构优选为两组且分别位于主卷机构的两侧，两个侧卷机构的第一蜗杆的螺纹方向相反且第二蜗杆的螺纹方向相反。
进一步地，侧卷筒上设置有用于收卷第二篷布的卷簧，第二篷布具有连接于卷簧的第一端和连接于第二撑布杆的第二端。
进一步地，第一蜗轮、第二蜗轮由一第二电机驱动。
进一步地，第一篷布、第二篷布上开设有若干通孔。
进一步地，第二篷布的宽度为0.25～1米，单层第二篷布展开的长度为2～4米。
优选地，安装架的一端上设置有第一传动机构，所述主卷筒通过第一传动机构受一第一电机驱动。
优选地，第一篷布的宽度为2～3米，单层第一篷布展开的长度为2～4米。
在一具体实例中，汽车遮阳篷还包括一外壳，所述安装架、主卷筒以及第一篷布设置于所述外壳的下方。
在一具体实例中，汽车遮阳篷还包括用于固定安装于汽车车顶的底座，安装架能够在一大致平行于车顶的平面内旋转地连接于该底座，安装架相对底座的旋转使汽车遮阳篷具有两个状态，在第一状态时，主卷筒的轴线与汽车的前后方向基本平行，第一篷布卷绕于所述主卷筒上，主卷机构及安装架用作行李架；在第二状态时，所述主卷筒的轴线垂直于汽车的前后方向，第一篷布退卷且展开。
进一步地，底座中部设置有一旋转磁铁，安装架由该旋转磁铁驱动旋转。
更具体地，牵引机构包括固定设置在底座上的支架、由一电机驱动的蜗轮、受所述蜗轮啮合传动的两个牵引杆、分别设置在链各个牵引杆上的两根牵引索，所述安装架转动设置于所述支架且所述主卷筒通过蜗轮由所述电机驱动，两个牵引杆的螺纹轴线相互平行且与蜗轮的轴线相垂直，两个牵引杆的螺纹方向相反，所述牵引索设置在牵引杆上且其末端与第一撑布杆固定连接。
更具体地，支架中部设置有一旋转磁铁，安装架由该旋转磁铁驱动旋转。
更具体地，牵引杆上转动设置有与由所述电机或一绕线电机驱动的牵引轮，所述牵引索绕设在所述牵引轮上。
更具体地，第一篷布的宽度为1～1.5米，单层第一篷布展开的长度为1～3米。
本发明采用以上结构，具有如下优点：通过安装架将遮阳篷安装在汽车顶部，无须反复安装拆卸，并且具有很好的防盗、防风作用；篷布与车顶之间具有一定距离，空气可以自由地在车体与篷布之间流通，防止热量在车顶与遮阳篷之间积聚，防晒效果很好；遮阳篷的展开和收拢便捷易操作。
附图说明
附图1为根据本发明的实施例一的结构示意图；
附图2为附图1所示结构的侧视图；
附图3为根据本发明的实施例二的结构示意图；
附图4为图3所示结构的侧视图；
附图5为根据本发明的实施例三的结构示意图；
附图6为显示实施例三中的主卷机构的转动方式的示意图；
附图7为根据本发明的实施例三在第二状态时的结构示意图。
以上附图中：
100、底座；1、主卷机构；10、安装架；12、主卷筒；13、第一篷布；14、第一撑布杆；15、蜗轮蜗杆转动器；
2、牵引机构；22、曲臂；23、铰轴；24、铰座；25、第一蜗轮；26、第二蜗轮；
3、侧卷机构；31、第一蜗杆；32、第二蜗杆；33、侧卷筒；34、第二篷布；35、第二撑布杆。
21、底座；1’、主卷机构；221、安装架；222、主卷筒；223、第一篷布；224、第一撑布杆；22’、牵引机构；231、支架；232、蜗轮；233、牵引杆；234、牵引索；235、牵引轮；236、旋转磁铁。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域的技术人员理解，从而对本发明的保护范围作出更为清楚明确的界定。
实施例一
参照附图1、附图2所示，一种汽车遮阳篷，它包括：
主卷机构1，其包括设置于车顶上的安装架10、可绕自身轴线转动地设置于所述安装架10上部的主卷筒12、层叠卷绕于所述主卷筒12的两层第一篷布13、用于牵引所述第一篷布13的两个第一撑布杆14，所述第一篷布13具有卷绕于所述主卷筒12的第一端和固定连接在第一撑布杆14上的第二端，所述第一撑布杆14可沿垂直于主卷筒12轴线的方向移动且两个第一撑布杆14的移动方向相反；
牵引机构2，其包括分别设置于所述安装架10两侧的两对折叠杆、所述折叠杆的一端与安装架10转动连接、另一端与第一撑布杆14转动连接，所述折叠杆具有可相对折叠或打开的两个曲臂22且两曲臂22之间安装有压簧（图中未示出）。
本实施例中，遮阳篷还包括侧卷机构3，该侧卷机构3包括两个侧卷筒33、分别卷绕于两个侧卷筒33上的第二篷布34、分别连接于各第二篷布34的外端以用于分别牵引各第二篷布34移动的两个第二撑布杆35，两个第二撑布杆分别可滑动地连接于两个第一撑布杆14。
侧卷机构3的第二篷布34在主卷机构1的第一篷布13展开后可朝侧部展开，该展开由一控制机构控制实现。控制机构包括可转动地设置于安装架10上的第一蜗轮25、适于由所述第一蜗轮25匹配传动的第一蜗杆31、分别可转动地设置于两个第一撑布杆14的两个第二蜗轮26、适于分别由两个第二蜗轮26匹配传动的两个第二蜗杆32。两个侧卷筒33分别可绕自身轴线转动地连接于第一蜗杆31，两个第二蜗杆32分别连接于两个第二撑布杆35，第一蜗轮25的转轴、第二蜗轮26的转轴分别与主卷筒12的轴线相垂直。
第一蜗轮25的螺纹轴线与第一蜗杆31的螺纹轴线垂直，第二蜗轮26的螺纹轴线与第二蜗杆32的螺纹轴线垂直。侧卷机构3，其安装于所述安装架10的下部且可沿安装架10的长度方向（平行于主卷筒12的轴线）移动。
侧卷筒33上设置有用于收卷第二篷布34的卷簧（图中未示出），第二篷布34具有连接于卷簧的第一端和连接于第二撑布杆35的第二端。
在图示的优选实施例中，侧卷机构3为两个且分别处于主卷机构1的相对两侧，两个侧卷机构3的第一蜗杆31的螺纹方向相反，且第二蜗杆32的螺纹方向也相反，当第一篷布13在车顶展开时，侧卷机构3向汽车车门两侧移动，第二撑布杆35带动第二篷布34展开以遮盖汽车两侧。
安装架10的一端设置有蜗轮蜗杆转动器15，所述主卷筒12通过蜗轮蜗杆转动器15由一第一电机（图中未示出）驱动。
第一蜗轮25、第二蜗轮26由一第二电机驱动，第二电机优选为同步电机。
安装架10沿垂直于汽车的前后方向固定安装于车顶上，本文此处和其它各处提及的“前后方向”是根据本领域技术人员的习惯定义的，即惯常认知的前后方向。当主卷机构1和侧卷机构3处于收卷状态时，该汽车遮阳篷可用作汽车的一个行李架。
所述折叠杆的两端分别通过铰座24与安装架10和第一撑布杆14转动连接，两个曲臂22之间通过铰轴23转动连接。
所述第一篷布13、第二篷布34上开设有若干通孔。
所述第一篷布13的宽度为2～3米，单层第一篷布13展开的长度为2～4米。
所述第二篷布34的宽度为0.25～1米，单层第二篷布34展开的长度为2～4米。
所述主卷机构1外还罩设有一外壳，安装架10、主卷筒12以及第一篷布14设置于所述外壳的下方。使得主卷机构和侧卷机构在收卷状态时，该汽车遮阳篷的外观类似于行李架。现有技术中的汽车行李架大部分为空心的，本发明的行李架外壳内包含了卷绕有篷布的卷筒，其为实心的，相比而言，本发明的遮阳篷用作行李架时，将具有更强的承重性能。
根据本实施例的汽车遮阳篷工作原理如下：
汽车将要行驶时，遮阳篷折叠，随着第二电机驱动第一蜗轮、第二蜗轮沿一个方向转动，两个侧卷机构的第一蜗杆向安装架的中部移动带动侧卷筒收缩、第二蜗杆向第一撑布杆的中部移动带动第二撑布杆收缩，同时第一电机驱动蜗轮蜗杆转动器带动主卷筒沿一个方向转动使得第一篷布收缩卷绕，第一撑布杆牵拉折叠杆使得折叠杆的两个曲臂相对折叠，压簧被压缩，第二撑布杆随着第一撑布杆朝向安装架移动，同时在侧卷筒的卷簧的收缩力的作用下，第二篷布卷绕于侧卷筒上，此时所述遮阳篷可用作汽车的一个行李架；
要停车时，遮阳篷展开，随着第二电机驱动第一蜗轮、第二蜗轮沿另一个方向转动，两个侧卷机构的第一蜗杆向安装架的端部移动带动侧卷筒至汽车两侧的上方、第二蜗杆向第一撑布杆的端部移动带动第二撑布杆至汽车两侧的上方，同时第一电机驱动蜗轮蜗杆转动器带动主卷筒沿另一个方向转动使得第一篷布松脱，同时压簧的复位力推动两个曲臂相对打开，带动第一撑布杆背向主卷筒移动，从而可将第一篷布展开与车顶上，且随着第一撑布杆的移动，通过第二蜗杆与其连接的第二撑布杆随之背向侧卷筒移动，卷簧被拉伸，第二篷布展开于车体两侧的上方以遮盖汽车两侧。
本文中提及的安装架的两侧具体是指附图1中纸面的上、下两侧，安装架的一端是指附图1中处于纸面的左、右侧的两端中的一端；本文中提及的主卷机构的两侧对应于图1中的左右两侧。
实施例二
根据本实施例的遮阳篷结构参照图3-4所示，该实施例与上述实施例一的结构相似，主要区别在于：本实施例中的遮阳篷不具有侧卷机构，且安装架10并不固定于汽车顶部，而是将底座100固定安装于汽车车顶上，而安装架10与底座100转动连接，安装架10能够在一大致平行于车顶的平面内转动。
另外，根据本实施例的遮阳篷优选以两组的方式安装于车顶，两组遮阳篷并列设置于车顶两侧部。
底座100可通过螺丝固定于车顶。
通过安装架10相对底座100的转动，使得该遮阳篷具有至少两个状态，在第一状态时，主卷筒12的轴线与汽车的前后方向平行，第一篷布13收拢卷绕于所述主卷筒12上，所述主卷机构1和安装架10用作行李架；在第二状态时，主卷筒12的轴线垂直于汽车的前后方向，第一篷布13展开于车顶上以遮盖汽车。
具体地，还可通过可采用车载电源或太阳能、蓄电池实现驱动，或者采用遥控装置控制该汽车遮阳篷在第一状态和第二状态间的切换。
安装架10的转动可以由一旋转磁铁（图中未示出）来驱动，具体地该旋转磁铁可以为90度旋转磁铁，可通过遥控控制。
在本实施例中，通常第一篷布13的宽度优选为1～1.5米，单层第一篷布展开的长度为1～3米。具体可根据车型选择，第一篷布展开后除覆盖车体外，还可以超出车体50厘米左右以遮挡汽车侧部。
主卷机构1外还可罩设一外壳，如同实施例一种提及的，安装架10、主卷筒12以及第一篷布13设置于外壳的下方，使得遮阳篷在第一状态时，其外观类似于行李架。现有技术中的汽车行李架大部分为空心的，本发明的行李架外壳内包含了卷绕有第一篷布的主卷筒，其为实心的，相比而言，本发明的遮阳篷用作行李架时，将具有更强的承重性能。
本实施例的工作原理如下：汽车将要行驶时，即遮阳篷由第二个状态切换为第一个状态，电机驱动蜗轮蜗杆转动器15带动主卷筒12沿一个方向转动使得第一篷布13收缩卷绕，第一撑布杆14牵拉折叠杆使得折叠杆的两个曲臂22相对折叠，压簧被压缩，至曲臂22完全折叠、第一篷布13卷绕于主卷筒12上后，控制旋转磁铁开启使得牵引机构2和主卷机构1旋转90度，此时，所述主卷筒12的轴线与汽车的前后方向平行，主卷机构1用作行李架；要停车时，即遮阳篷由第一状态切换为第二状态，电机驱动蜗轮蜗杆转动器15带动主卷筒12沿另一个方向转动使得第一篷布13松脱，同时压簧的复位力推动两个曲臂22相对打开，带动第一撑布杆14背向主卷筒12移动，从而可将第一篷布13展开，至压簧复位至其初始位置时，第一篷布13即展开于车顶上遮盖汽车。
实施例三
本实施例参照图5-7所示，该汽车遮阳篷，包括：
底座21，其固定安装于汽车车顶上，具体地，可通过螺丝固定连接；
主卷机构1’，其可在一大致平行于车顶的平面内相对汽车旋转，所述主卷机构1’包括主卷机构安装架221、可绕其自身轴线转动地设置于主卷机构安装架221的主卷筒222、层叠卷绕于所述主卷筒222的两层第一篷布223、用于牵引所述第一篷布223的两个第一撑布杆224，所述第一篷布223具有卷绕于所述主卷筒222的第一端和固定连接在第一撑布杆224上的第二端，所述第一撑布杆224可沿垂直于主卷筒222轴线的方向移动且两个第一撑布杆224的移动方向相反；
牵引机构2’，其设置在所述底座21上用于牵引所述第一撑布杆224移动；
所述主卷机构1’设置于所述牵引机构2’上，该多功能汽车遮阳篷具有两个状态，在第一个状态时，所述主卷筒222的轴线与汽车的行进方向平行，第一篷布223卷绕于所述主卷筒222上，所述主卷机构1’用作行李架；在第二个状态时，所述主卷筒222的轴线垂直于汽车的行进方向，第一篷布223展开于车顶上以遮盖汽车。具体地，可通过可采用车载电源或太阳能、蓄电池实现驱动，采用遥控装置控制该多功能汽车遮阳篷在第一个状态和第二个状态间的切换。
所述牵引机构2’包括固定设置在所述底座21上的支架231、与电机相传动的蜗轮232、与所述蜗轮232通过螺纹配合连接的两个牵引杆233、分别设置在所述牵引杆233上的两个牵引索234，所述安装架221转动设置于所述支架231且所述主卷筒222通过蜗轮232与所述电机相传动，两个牵引杆233的螺纹轴线相互平行且与蜗轮232的螺纹轴线相垂直，两个牵引杆233的螺纹方向相反，所述牵引索234设置在牵引杆233上且其末端与第一撑布杆224固定连接。所述电机为同步电机。
所述支架231中部设置有一旋转磁铁236，所述安装架221设置于所述旋转磁铁236上。该旋转磁铁为90度旋转磁铁，可通过遥控控制。
所述牵引杆233上转动设置有与电机相传动的牵引轮235，所述牵引索234绕设在所述牵引轮235上且末端与第一撑布杆224固定连接。牵引轮235与蜗轮232可通过一同步电机驱动，也可由两个电机分别驱动。
所述第一篷布223上开设有若干通孔以使得第一篷布与汽车之间的空气向外流通，避免热量积聚在车顶上，散热效果极好。
所述第一篷布223的宽度为1～1.5米，单层第一篷布展开的长度为1～3米。具体可根据车型选择，第一篷布展开后除覆盖车体外，还可以超出车体50厘米左右以遮挡汽车侧部。
所述主卷机构1’上还罩设有一外壳，安装架221、主卷筒222以及第一篷布223设置于所述外壳的下方，使得遮阳篷在第一状态时，其外观类似于行李架。现有技术中的汽车行李架大部分为空心的，本发明的行李架外壳内包含了卷绕有第一篷布的主卷筒，其为实心的，相比而言，本发明的遮阳篷用作行李架时，将具有更强的承重性能。
本实施例的工作原理如下：汽车将要行驶时，即遮阳篷由第二个状态切换为第一个状态，电机驱动蜗轮232沿一个方向转动带动两个牵引杆233沿两个相反的方向朝向主卷筒222移动，随着牵引索234牵拉第一撑布杆224，第一篷布223收缩卷绕于主卷筒222上至第一篷布223卷绕完成后，控制旋转磁铁236开启，主卷机构1’旋转90度，此时，所述主卷筒222的轴线与汽车的行进方向平行，所述主卷机构1’用作行李架；要停车时，即遮阳篷由第一个状态切换为第二个状态，控制旋转磁铁236开启，主卷机构1’旋转90度，此时，主卷筒222的轴线与汽车的行进方向垂直，电机驱动蜗轮232沿另一个方向转动带动两个牵引杆233沿两个相反的方向背向主卷筒222移动，随着牵引索234牵拉第一撑布杆224，第一篷布223展开于车顶上遮盖汽车。
此外，根据本实施例的遮阳篷优选以两组的方式安装于车顶，两组遮阳篷可并列设置于车顶两侧部，且两组遮阳篷的结构可以根据本发明的思想作改变，例如，两组遮阳篷中的牵引机构可以采用不同的构造，在此不再详细介绍。
上述实施例只为说明本发明的技术构思及特点，是一种优选的实施例，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明的精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (17)

1. 一种汽车遮阳篷，其特征在于，它包括：
安装架；
主卷机构，其包括可绕自身轴线转动地设置于所述安装架上的主卷筒、层叠卷绕于所述主卷筒上的两层第一篷布、分别连接于两第一篷布的外端以用于分别牵引两层所述第一篷布移动的两个第一撑布杆，所述两个第一撑布杆能够沿一垂直于主卷筒轴线的第一线路朝相反方向移动；牵引机构，用于牵引两个第一撑布杆移动。
2. 根据权利要求1所述的汽车遮阳篷，其特征在于：牵引机构包括两对折叠杆，每对折叠杆的一端与安装架相连接，另一端与两个第一撑布杆分别连接，各折叠杆包括可相对收拢或展开的两个曲臂和设置于两曲臂之间的弹簧。
3. 根据权利要求1所述的汽车遮阳篷，还包括：
侧卷机构，该侧卷机构包括两个侧卷筒、分别卷绕于两个侧卷筒上的第二篷布、分别连接于各第二篷布的外端以用于分别牵引各第二篷布移动的两个第二撑布杆，两个第二撑布杆分别可滑动地连接于两个第一撑布杆；
控制机构，其包括可转动地设置于安装架上的第一蜗轮、适于由所述第一蜗轮匹配传动的第一蜗杆、分别可转动地设置于两个第一撑布杆的两个第二蜗轮、适于分别由两个第二蜗轮匹配传动的两个第二蜗杆，其中，两个侧卷筒分别可绕自身轴线转动地连接于第一蜗杆，两个第二蜗杆分别连接于两个第二撑布杆，第一蜗轮的转轴、第二蜗轮的转轴分别与主卷筒的轴线相垂直。
4. 根据权利要求3所述的汽车遮阳篷，其特征在于：侧卷机构为两组且分别位于主卷机构的两侧，两个侧卷机构的第一蜗杆的螺纹方向相反且第二蜗杆的螺纹方向相反。
5. 根据权利要求3所述的汽车遮阳篷，其特征在于：侧卷筒上设置有用于收卷第二篷布的卷簧，第二篷布具有连接于卷簧的第一端和连接于第二撑布杆的第二端。
6. 根据权利要求3所述的汽车遮阳篷，其特征在于：所述第一蜗轮、第二蜗轮由一第二电机驱动。
7. 根据权利要求3所述的汽车遮阳篷，其特征在于：所述第一篷布、第二篷布上开设有若干通孔。
8. 根据权利要求3所述的汽车遮阳篷，其特征在于：所述第二篷布的宽度为0.25～1米，单层第二篷布展开的长度为2～4米。
9. 根据权利要求1所述的汽车遮阳篷，其特征在于：所述安装架的一端上设置有第一传动机构，所述主卷筒通过第一传动机构受一第一电机驱动。
10. 根据权利要求1所述的汽车遮阳篷，其特征在于：所述第一篷布的宽度为2～3米，单层第一篷布展开的长度为2～4米。
11. 根据权利要求1所述的汽车遮阳篷，还包括一外壳，所述安装架、主卷筒以及第一篷布设置于所述外壳的下方。
12. 根据权利要求1所述的汽车遮阳篷，还包括用于固定安装于汽车车顶的底座，安装架能够在一大致平行于车顶的平面内旋转地连接于该底座，安装架相对底座的旋转使汽车遮阳篷具有两个状态，在第一状态时，主卷筒的轴线与汽车的前后方向基本平行，第一篷布卷绕于所述主卷筒上，所述主卷机构及安装架用作行李架；在第二状态时，所述主卷筒的轴线垂直于汽车的前后方向，第一篷布退卷且展开。
13. 根据权利要求12所述的汽车遮阳篷，其特征在于：所述底座中部设置有一旋转磁铁，所述安装架由该旋转磁铁驱动旋转。
14. 根据权利要求12所述的汽车遮阳篷，其特征在于：所述牵引机构包括固定设置在所述底座上的支架、由一电机驱动的蜗轮、受所述蜗轮啮合传动的两个牵引杆、分别设置在各个牵引杆上的两根牵引索，所述安装架转动设置于所述支架且所述主卷筒通过蜗轮由所述电机驱动，两个牵引杆的螺纹轴线相互平行且与蜗轮的轴线相垂直，两个牵引杆的螺纹方向相反，所述牵引索设置在牵引杆上且其末端与第一撑布杆固定连接。
15. 根据权利要求14所述的汽车遮阳蓬，其特征在于：所述支架中部设置有一旋转磁铁，安装架由所述旋转磁铁驱动旋转。
16. 根据权利要求14所述的汽车遮阳篷，其特征在于：所述牵引杆上转动设置有与由所述电机或一绕线电机驱动的牵引轮，所述牵引索绕设在所述牵引轮上。
17. 根据权利要求12所述的汽车遮阳篷，其特征在于：所述第一篷布的宽度为1～1.5米，单层第一篷布展开的长度为1～3米。
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