阅读说明：本技术 一种自适应的汽车后遮阳挡 (Self-adaptive automobile rear sunshade ) 是由 刘晶晶 于 2019-08-22 设计创作，主要内容包括：本发明公开了一种自适应的汽车后遮阳挡,包括安装在车架内的卷轴,所述卷轴内安装有后窗,所述卷轴安装在后窗的一侧,所述卷轴上缠绕有遮光布,所述后窗的两侧分别设置有第一活动腔和第二活动腔,所述第二活动腔和第一活动腔开设在车架内,所述卷轴的两端均固定连接有转轴,其中一个所述转轴转动连接在第一活动腔内且下方固定连接有上挡板,所述第一活动腔内贴近后窗的一侧安装有凸透镜。本发明在太阳光的照射下,通过凸透镜的聚焦作用,配合记忆金属对温度的反应,使得卷轴脱离了束缚,能够自由的转动,在重力作用下,卷轴上缠绕的遮光布能够自然的散落下来,从而实现对光线的遮挡作用,这样使用者就不用手动添加遮光布。(The invention discloses a self-adaptive automobile rear sunshade, which comprises a scroll arranged in a frame, wherein a rear window is arranged in the scroll, the scroll is arranged on one side of the rear window, shading cloth is wound on the scroll, a first movable cavity and a second movable cavity are respectively arranged on two sides of the rear window, the second movable cavity and the first movable cavity are arranged in the frame, two ends of the scroll are fixedly connected with rotating shafts, one of the rotating shafts is rotatably connected in the first movable cavity, an upper baffle is fixedly connected below the rotating shaft, and a convex lens is arranged on one side, close to the rear window, in the first movable cavity. Under the irradiation of sunlight, the scroll is separated from the constraint and can rotate freely by the focusing action of the convex lens and the reaction of the memory metal to the temperature, and the shading cloth wound on the scroll can be naturally scattered under the action of gravity, so that the shading effect on light is realized, and a user does not need to manually add the shading cloth.)

1. The self-adaptive automobile rear sunshade comprises a scroll (3) installed in a frame (2), and is characterized in that a rear window (1) is installed in the scroll (3), the scroll (3) is installed on one side of the rear window (1), shading cloth is wound on the scroll (3), a first movable cavity (5) and a second movable cavity (4) are respectively arranged on two sides of the rear window (1), the second movable cavity (4) and the first movable cavity (5) are arranged in the frame (2), rotating shafts (6) are fixedly connected with two ends of the scroll (3), one of the rotating shafts (6) is rotatably connected in the first movable cavity (5) and is fixedly connected with an upper baffle plate (7) below, a convex lens (13) is installed on one side of the first movable cavity (5) close to the rear window (1), a hole is formed in the upper baffle plate, and glass is inlaid in the hole, the hole is right opposite to the convex lens (13), a memory metal shaft (19) is arranged at the focus position of the convex lens (13), one end of the memory metal shaft (19) is rotatably installed on the inner wall of a first movable cavity (5), a sliding groove (21) is further formed in the inner wall of the first movable cavity (5), the other end of the memory metal shaft (19) is in sliding connection with the sliding groove (21), a rotary table (9) is arranged below the upper baffle (7), a lower baffle (8) is fixedly connected to the rotary table (9), the upper baffle (7) is abutted to the lower baffle (8), a ratchet wheel (15) is fixedly connected to one end of the rotary table (9), a movable gear (16) is fixedly connected to one end of the sliding block (20) close to the sliding groove (21), a fixed gear (18) is meshed with one side of the movable gear (16), and a clamping shaft (17) is fixedly connected to the fixed gear (18), the clamp shaft (17) is connected with the ratchet wheel (15) in a clamping mode, and the rotary disc (9) and the clamp shaft (17) are installed in the first movable cavity (5) in a rotating mode.

2. The adaptive automobile rear sunshade according to claim 1, wherein the rotating shaft (6) close to the second movable cavity (4) is rotatably connected in the second movable cavity (4) and fixedly sleeved with a first bevel gear (10), a second bevel gear (12) is meshed below the first bevel gear (10), a rotating ring (14) is rotatably connected in the second movable cavity (4), and a linkage belt (11) is sleeved on one side of the rotating ring (14) and one side of the second bevel gear (12).

3. The adaptive automobile rear sunshade according to claim 1, wherein a return spring is sleeved at the rotating connection position of the clamping shaft (17) and the inner wall of the first movable cavity (5), and the rotating range of the clamping shaft (17) is 45-135 degrees of a rectangular coordinate system.

4. The adaptive automobile rear sunshade according to claim 1, wherein a sliding block (20) is fixedly connected to one end of the memory metal shaft (19) close to the sliding groove (21), and the sliding block (20) is slidably connected with the sliding groove (21).

Technical Field

The invention relates to the technical field of automobile auxiliary equipment, in particular to a self-adaptive automobile rear sunshade.

Background

The automobile sunshade can be divided into a front sunshade, a side sunshade and a rear sunshade according to positions, wherein sunlight directly enters the automobile, the temperature is increased, the environment in the automobile is poor, the automobile sunshade is used for shielding the directly-entering sunlight to make the automobile more comfortable, the automobile is parked outdoors, particularly in high-temperature weather, the interior of the automobile is burnt by the sunlight and becomes very sultry, and the temperature is required to be reduced by using the sunshade.

However, the sunshade needs to be manually placed, and the sunshade is placed on the outer surface or the inner part of the automobile and needs to be manually operated, and the sunshade placed on the outer surface is relatively troublesome to fix and is easy to blow away by wind, while the sunshade placed in the inner part is difficult to fix due to a suspension mode, and the sunshade protects the automobile but is relatively troublesome to use.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: although the sunshade protects the automobile, the sunshade is relatively troublesome to use, and an adaptive automobile rear sunshade is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a self-adaptive automobile rear sunshade comprises a scroll installed in a frame, wherein a rear window is installed in the scroll, the scroll is installed on one side of the rear window, shading cloth is wound on the scroll, a first movable cavity and a second movable cavity are respectively arranged on two sides of the rear window, the second movable cavity and the first movable cavity are arranged in the frame, rotating shafts are fixedly connected to two ends of the scroll, one of the rotating shafts is rotatably connected into the first movable cavity, an upper baffle is fixedly connected to the lower portion of the rotating shaft, a convex lens is installed on one side, close to the rear window, of the first movable cavity, a hole is formed in the upper portion of the first movable cavity, glass is inlaid in the hole, the hole is just opposite to the convex lens, a memory metal shaft is arranged at the focal position of the convex lens, one end of the memory metal shaft is rotatably installed on the inner wall of the first movable cavity, a sliding groove is further formed in the inner wall of the first, the other end and the spout sliding connection of memory metal axle, the below of overhead gage is provided with the carousel, baffle under fixedly connected with on the carousel, the overhead gage supports with lower baffle, the one end fixedly connected with ratchet of carousel, the one end fixedly connected with movable gear that the slider is close to the spout, the meshing of movable gear one side is connected with the fixed gear, fixed gear fixedly connected with card axle, card axle and ratchet joint, carousel and card axle all rotate to be installed in first movable cavity.

Preferably, the rotating shaft close to the second movable cavity is rotatably connected in the second movable cavity and fixedly sleeved with a first bevel gear, a second bevel gear is meshed below the first bevel gear, a rotating ring is rotatably connected in the second movable cavity, and a linkage belt is sleeved on one side of the rotating ring and one side of the second bevel gear.

Preferably, a return spring is sleeved at the rotating connection position of the clamping shaft and the inner wall of the first movable cavity, and the rotating range of the clamping shaft is 45-135 degrees of a rectangular coordinate system.

Preferably, one end of the memory metal shaft close to the sliding groove is fixedly connected with a sliding block, and the sliding block is connected with the sliding groove in a sliding mode.

Compared with the prior art, the invention has the beneficial effects that:

1. under the irradiation of sunlight, the reel is separated from the constraint by matching the reaction of the memory metal to the temperature under the focusing action of the convex lens, and can freely rotate, and the shading cloth wound on the reel can naturally fall off under the action of gravity, so that the shading effect on light rays is realized, and a user does not need to manually add the shading cloth.

2. When the shading cloth is not needed, a user can also roll the shading cloth, only the convex lens is required to be exposed to the partial shade, the corresponding memory metal can not be heated by sunlight, and the shading cloth capable of being rolled is convenient to place and use in a vehicle.

Drawings

FIG. 1 is a schematic structural diagram of an adaptive rear sunshade frame for an automobile according to the present invention;

FIG. 2 is a schematic structural view of an adaptive rear window of a rear sunshade of an automobile according to the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure at B in FIG. 2;

fig. 5 is a schematic structural diagram of the internal structure of the first movable cavity of the adaptive automobile rear sunshade according to the present invention.

In the figure: 1 rear window, 2 vehicle frames, 3 reels, 4 second movable cavities, 5 first movable cavities, 6 rotating shafts, 7 upper baffle plates, 8 lower baffle plates, 9 rotating discs, 10 first bevel gears, 11 linkage belts, 12 second bevel gears, 13 convex lenses, 14 rotating rings, 15 ratchet wheels, 16 moving gears, 17 clamping shafts, 18 fixed gears, 19 memory metal shafts, 20 sliding blocks and 21 sliding grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, a self-adaptive automobile rear sunshade comprises a scroll 3 installed in a frame 2, a rear window 1 installed in the scroll 3, the scroll 3 installed on one side of the rear window 1, a shading cloth wound on the scroll 3, a first movable chamber 5 and a second movable chamber 4 respectively arranged on two sides of the rear window 1, the second movable chamber 4 and the first movable chamber 5 arranged in the frame 2, two ends of the scroll 3 are fixedly connected with rotating shafts 6, one of the rotating shafts 6 is rotatably connected in the first movable chamber 5 and fixedly connected with an upper baffle 7 below the first movable chamber 5, a convex lens 13 installed on one side of the first movable chamber 5 close to the rear window 1 and provided with a hole embedded with glass, the hole is opposite to the convex lens 13, external light can pass through the glass at the hole and irradiate on the convex lens 13, and can deform a memory metal shaft 19 by focusing of the convex lens 13, the convex lens 13 is arranged at a position independently, if the reel 3 is not required to be released automatically, the glass at the position can be covered from the outside, and therefore the self-adaptive structure can not be used;

a memory metal shaft 19 is arranged at the focal point position of the convex lens 13, one end of the memory metal shaft 19 is rotatably installed on the inner wall of the first movable cavity 5, a sliding groove 21 is further formed in the inner wall of the first movable cavity 5, the other end of the memory metal shaft 19 is in sliding connection with the sliding groove 21, a rotary table 9 is arranged below the upper baffle 7, a lower baffle 8 is fixedly connected onto the rotary table 9, the upper baffle 7 abuts against the lower baffle 8, a ratchet 15 is fixedly connected onto one end of the rotary table 9, a movable gear 16 is fixedly connected onto one end, close to the sliding groove 21, of the sliding block 20, a fixed gear 18 is meshed with one side of the movable gear 16, the fixed gear 18 is fixedly connected with a clamping shaft 17, the clamping shaft 17 is clamped with the ratchet 15, and the rotary table 9 and the clamping;

wherein, a rotating shaft 6 close to the second movable cavity 4 is rotatably connected in the second movable cavity 4 and is fixedly sleeved with a first bevel gear 10, a second bevel gear 12 is engaged below the first bevel gear 10, a rotating ring 14 is rotatably connected in the second movable cavity 4, one side of the rotating ring 14 and one side of the second bevel gear 12 are sleeved with a linkage belt 11, in normal use, in order to facilitate the rear glass window to see objects, the glass window does not need to be covered, so the reel 3 which is released in a self-adapting way needs to be wound up, a user drives the linkage belt 11 to rotate by rotating the rotating ring 14, the rotation of the linkage belt 11 can drive the second bevel gear 12 to rotate, because the second bevel gear 12 is meshed with the first bevel gear 10, the second bevel gear 12 drives the rotating shaft 6 to rotate through the first bevel gear 10, so that the reel 3 is rotated, and the released reel 3 can be wound;

wherein, the card axle 17 and the first movable cavity 5 inner wall rotation junction has cup jointed the return spring, the rotation range of card axle 17 is 45-135 of rectangular coordinate system, the return spring makes it can free rotation within a certain limit, can reset when losing exogenic action, the one end fixedly connected with slider 20 that memory metal axle 19 is close to spout 21, slider 20 and spout 21 sliding connection, memory metal axle 19 can slide in spout 21 along through slider 20, also will drive moving gear 16 when slider 20 slides simultaneously and remove.

In the invention, when a user uses the device, when the external environment temperature is high, sunlight passes through the convex lens 13, under the focusing action of the convex lens 13, because the memory metal shaft 19 is arranged at the focal position of the convex lens 13, focused light has a heating effect on the memory metal shaft 19, and is deformed by heating according to the inherent property of the memory metal shaft 19, the shape of the memory metal shaft 19 is changed, namely the memory metal shaft 19 is changed from a bending state to a straight state, the position of one end of the memory metal shaft 19 is fixed, the memory metal shaft 19 pushes the sliding block 20 to slide in the sliding groove 21 when deformed, the sliding block 20 slides to drive the moving gear 16 to synchronously move, the fixed gear 18 and the moving gear 16 are separated from each other, the fixed gear 18 is separated from the constraint of the moving gear 16 and can freely rotate, and under the action of gravity, the scroll 3 and the rotating shaft 6 can rotate, the shading cloth wound on the scroll 3 is scattered, so that the rear window 1 is shaded, external light cannot directly irradiate the interior of the vehicle, the shading and cooling effects are achieved, the shading cloth is automatically placed according to the intensity of the external light, and the operation is effectively avoided;

the shading cloth wound on the surface of the reel 3 has weight and can rotate under the condition of no external constraint, the shading cloth wound on the reel can fall off, the rotation of the reel 3 can drive the rotating shafts 6 at two ends to synchronously rotate, the fixed gear 18 can freely rotate after being separated from the constraint of the movable gear 16, the corresponding clamping shaft 17 cannot completely constrain the ratchet 15, when the reel 3 falls off, the rotating shaft 6 can rotate clockwise, the upper baffle 7 can also rotate clockwise, the upper baffle 7 can push the lower baffle 8 when rotating, the lower baffle 8 and the ratchet 15 can synchronously rotate, the ratchet 15 separated from the constraint of the clamping shaft 17 can smoothly rotate clockwise or anticlockwise, and the ratchet 15 can drive the clamping shaft 17 to rotate in the releasing process of the reel 3;

when a user does not need to use the shading cloth, the shading cloth can be wound up, the glass opposite to the convex lens 13 is covered, the temperature of the memory metal shaft 19 is reduced, the time is required for the temperature reduction of the memory metal shaft 19, the time is utilized, the rotation of the rotating ring 14 is realized by rotating the rotating ring 14, the linkage belt 11 drives the second bevel gear 12 to rotate, the corresponding rotating shaft 6 rotates due to the fact that the second bevel gear 12 is meshed with the first bevel gear 10, the rotating shaft 6 drives the reel 3 to rotate, then scattered shading cloth is wound up, the clamping shaft 17 does not have a binding effect on the ratchet wheel 15 at the moment, the ratchet wheel 15 is driven to rotate by the upper baffle 7 and the lower baffle 8 when the rotating shaft 6 rotates anticlockwise, the clamping shaft 17 rotates along the ratchet wheel 15 to swing, finally, after the reel 3 is wound up, the memory metal shaft 19 returns to a bending state, the movable gear 16 is meshed with the fixed gear 18 and clamped after the memory metal shaft 19 is bent, then the card axle 17 will unable rotation, card axle 17 and ratchet 15 joint, ratchet 15 will also unable rotation, then corresponding carousel 9 makes pivot 6 also unable rotation through baffle 8 down, upper baffle 7, then whole spool 3 also just can't rotate, then has realized the rolling of shading cloth.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.