A single motor double opening sunshade

Abstract

The present invention relates to a single-motor double-opening sunshade, wherein a driving motor is arranged on one side of a protective cover plate in the middle of two driving guide rails on a skylight frame, and a shaft on the driving motor drives a front and a rear driving rack through a gear, and the front driving rack is connected from the front driving guide rail to the front part and is wound to the rear part of the driving guide rail on the other side of the skylight frame, and the rear driving rack is connected from the rear driving guide rail to the rear part and is wound to the front part of the driving guide rail on the other side of the skylight frame; the front and rear sunshades are respectively arranged at the front and rear parts of the driving tracks on both sides of the skylight frame, and the two ends of the extension rod of the front sunshade are respectively connected to the front driving rack in the front part of one side of the skylight frame and the rear driving rack in the front part of the other side, and the two ends of the extension rod of the rear sunshade are respectively connected to the rear driving rack in the rear part of one side of the skylight frame and the front driving rack in the rear part of the other side. The structure is simple, can realize fast two-way opening and closing, prevent the middle part from falling, and take into account both aesthetics and comfortable use, and can meet the requirements of two-way opening when the front and rear skylights are of different sizes.

Description

Technical Field

[0001] The invention relates to the technical field of skylights, and in particular to a single-motor double-opening sunshade. Background Art

[0002] With the development of the automobile industry, more and more cars are equipped with sunroofs. Car sunroofs can effectively circulate air in the car, increase the entry of fresh air, bring healthy and comfortable enjoyment to car owners, while broadening the field of vision and making people in the car feel more comfortable.

[0003] Existing skylights are all equipped with sunshades for shading. The sunshade structure is an integral structure from front to back. For sunshades with a long span from front to back and made of soft cloth, there is a long waiting time for opening and closing, and the middle part is easy to fall under the influence of its own weight, affecting the appearance and comfort of use. Summary of the invention

[0004] The present invention provides a single-motor double-opening sunshade with a simple structure, which can realize rapid two-way opening and closing, prevent the middle part from falling, and has both aesthetics and comfortable use, and can meet the requirement of two-way opening when the front and rear skylights are of different sizes.

[0005] The technical solution adopted by the present invention is: a single-motor double-opening sunshade, characterized in that it includes front and rear sunshades, a driving motor, and front and rear driving racks. The driving motor is arranged on one side of the crossbeam in the middle of the skylight frame or on one side of the hanging shield plate in the middle of the two driving guide rails on the skylight frame. The output shaft of the driving motor drives the front and rear driving racks through gears. The front driving rack passes through the front driving guide rail on one side of the skylight frame and goes forward to the front, around the front of the skylight frame, and reaches the rear of the driving guide rail on the other side of the skylight frame. The rear driving rack It passes through the rear driving guide rail on one side of the sunroof frame and goes rearward through the rear part of the sunroof frame to the front part of the driving guide rail on the other side of the sunroof frame; the front and rear sunshades are respectively arranged at the front and rear parts of the driving tracks on both sides of the sunroof frame, and the two ends of the extension rod of the front sunshade are respectively connected to the front driving rack in the front part of one side of the sunroof frame and the rear driving rack in the front part of the other side of the sunroof frame, and the two ends of the extension rod of the rear sunshade are respectively connected to the rear driving rack in the rear part of one side of the sunroof frame and the front driving rack in the rear part of the other side of the sunroof frame.

[0006] Furthermore, an end cover is provided at the end of the extension rod, and the end cover is engaged with a boss on the rack drive terminal on each drive rack.

[0007] Furthermore, a limiting groove is provided on the upper track wall on one side of the driving track corresponding to the sunshade with a smaller opening range among the front and rear sunshades; both ends of the sunshade extension rod with a smaller opening range are connected to sliders, the slider slides in the inner track of the driving track and a spring sheet is provided at the bottom, a downward slider hook is provided on the side of the slider facing the driving motor, the driving rack is connected to a rack connecting block provided in the driving track, and a connecting block hook connected to a matching slider hook is provided on the side of the rack connecting block facing the slider; the limiting groove corresponds to the slider hook.

[0008] Furthermore, the front and rear drive racks are externally provided with plastic-coated racks, and the plastic-coated racks are clamped in sunshade drive grooves on the drive guide rails on both sides of the sunroof frame.

[0009] When opening the front and rear sunshades of the same size front and rear skylights, the driving motor on one side of the sunroof frame drives the front and rear driving racks via gears, the front driving rack drives the front guide rail on one side of the sunroof frame to feed inside the front, and drives the extension rod on one side of the front sunshade curtain to feed forward and backward through the rack driving terminal boss in conjunction with the end cover on one side of the front sunshade curtain extension rod, while the rear driving rack drives the front guide rail on the other side of the sunroof frame to feed inside the front, and drives the extension rod on the other side of the front sunshade curtain to feed forward and backward through the rack driving terminal boss in conjunction with the end cover on the other side of the front sunshade curtain extension rod, thereby completing the closing and opening operations of the front sunshade curtain; at the same time, the rear driving rack drives the front guide rail on one side of the sunroof frame to feed inside the front, and drives the front sunshade curtain to feed forward and backward through the rack driving terminal boss in conjunction with the end cover on the other side of the front sunshade curtain extension rod, thereby completing the closing and opening operations of the front sunshade curtain. The rear part of the guide rail is fed inwardly, and the rack driving terminal boss cooperates with the end cover on one side of the rear sunshade extension rod to drive the extension rod on one side of the rear sunshade to feed forward and backward. At the same time, the front driving rack drives the rear part of the guide rail on the other side of the sunroof frame to feed inwardly, and the rack driving terminal boss cooperates with the end cover on the other side of the rear sunshade extension rod to drive the extension rod on the other side of the front sunshade to feed forward and backward, thereby completing the closing and opening operation of the sunshade; the front and rear sunshades are opened and closed synchronously by a single motor, which can achieve fast two-way opening and closing, and reduce the opening range of each sunshade in the front and rear span, which can effectively prevent the middle part of the sunshade from falling due to its own weight, affecting the appearance and comfort of the people in the car.

[0010] When opening the front and rear sunshades of the front and rear skylights of different sizes, such as a small front skylight and a low front sunshade, a notch or a limiting groove is provided on the front upper wall of both sides of the driving guide rail of the sunroof frame, and a rack connecting block is provided on the front driving rack on one side of the driving guide rail. The rack connecting block is hooked to the slider connected to the extension rod end cover on one side of the front sunshade through a hook. When the front sunshade is opened to the set position, the slider slides to the front of the notch or the limiting groove, and the slider is lifted up and clamped into the notch or the limiting groove by the action of the lower spring sheet. The slider hook is disengaged from the connecting block hook, and the front driving rack can continue to move backward. The rear sunshade can be opened completely by pulling the rack connecting block through the hook and engaging the sliding block and pushing the sliding block to complete the engagement with the driving of the extension rod; the front and rear sunshades of front and rear skylights of different sizes can also achieve single-motor double-opening operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention;

[0012] Figure 2 for Figure 1 Schematic diagram of the three-dimensional structure;

[0013] Figure 3 for Figure 1 Schematic diagram of the structure of the driving motor driving the driving rack;

[0014] Figure 4 for Figure 3 A simplified diagram of the working principle;

[0015] Figure 5 for Figure 3 Enlarged view of point A in the middle;

[0016] Figure 6 It is a schematic diagram of the matching structure of the extension rod and the driving guide rail according to another embodiment of the present invention;

[0017] Figure 7 for Figure 6 Front and side view of;

[0018] Figure 8 for Figure 6 Schematic diagram of the working principle.

[0019] In the figure: left front drive rail 1, left rear drive rail 2, right front drive rail 3, right rear drive rail 4, shield plate 5, drive motor 6, front drive rack 8, rack drive terminal 9, rear drive rack 10, front sunshade 11, front extension rod 12, rear sunshade 13, rear extension rod 14, end cover 15, slider 16, slider hook 17, limit groove 18, rack connecting block 19, connecting block hook 20, spring sheet 21. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with embodiments and drawings.

[0021] Figure 1-5 In the illustrated embodiment 1, a single-motor double-opening sunshade comprises a left front driving rail 1, a left rear driving rail 2, a right front driving rail 3, a right rear driving rail 4, a shield plate 5, a driving motor 6, a front driving rack 8, a rack driving terminal 9, a rear driving rack 10, a front sunshade 11, and a rear sunshade 13. The left front driving rail 1, the left rear driving rail 2, the right front driving rail 3, and the right rear driving rail 4 are respectively arranged at the front and rear positions on the left and right sides of the sunroof frame, and the shield plate 5 is hung in the middle. A driving motor 6 is arranged on the left side of the shield plate 5. The driving motor 6 drives the front and rear driving racks 8 and 10 through gears. The front and rear driving racks 8 and 10 are both connected to two rack driving terminals 9. The four driving rack terminals are arranged at the upper left, upper right, lower left, and lower right of the overall structure (such as Figure 3 ), the upper left rack driving terminal on the front driving rack 8 and the upper right rack driving terminal on the rear driving rack 10 are respectively connected to the two end covers 15 of the front extension rod 12 of the front sunshade 11, and the lower left rack driving terminal on the rear driving rack 10 and the lower right rack driving terminal on the front driving rack 8 are respectively connected to the two end covers of the rear extension rod 14 of the rear sunshade 13.

[0022] In this embodiment, the front and rear skylights have the same size and the same opening range for the sunshade curtains, and the front and rear extension rods are opened and closed synchronously.

[0023] Figure 6-8The second embodiment shown: in this embodiment, the sizes of the front and rear skylights and the opening range of the sunshade curtain are different, and the front skylight and the front sunshade curtain are smaller than the rear skylight and the rear sunshade curtain; a single-motor double-opening sunshade curtain is compared with the first embodiment, and a limiting groove 18 is set at the opening end position of the front sunshade curtain on the upper wall of the track on the left front driving guide rail 1 and the left rear driving guide rail 2, and two sliders 16 connected to the two ends of the front extension rod 12 are respectively set in the left front driving guide rail 1 and the left rear driving guide rail 2, and a spring sheet 21 is set at the bottom of the slider 16 and in the guide rail, and a slider hook 17 is set rearward on the slider 16, and the upper left rack driving terminal on the front driving rack 8 is connected to the rack connecting block 19 slidably set in the guide rail, and the rack connecting block 19 is set forward to engage with the slider hook. The connecting block hook 20 that can be engaged with the slider hook is also set, and the upper right rack driving terminal on the rear driving rack is connected to the rack connecting block slidably set in the guide rail, and the rack connecting block is set forward to engage with the slider hook. After the front extension rod drives the front sunshade to open into place, the front and rear driving racks are continuously pulled so that the slider hooks on the upper left and upper right sliders are snapped into the limit grooves under the action of the spring sheets, disengaging the hooks from the rack connecting blocks on the driving racks, thereby allowing the front and rear driving racks to continue pulling the rear extension rod to drive the rear sunshade to fully open.

[0024] In the above embodiment, the drive rack is covered with plastic, the plastic is placed in the groove set in the guide rail, and the clamping fit between the drive rack terminal and the extension rod end cover all belong to the existing technology and will not be described in detail.

Claims

1. A single-motor double-opening sunshade, characterized in that: It includes front and rear sunshades, a driving motor, and front and rear driving racks. The driving motor is arranged on one side of the cross beam in the middle of the sunroof frame or on one side of the hanging shield plate in the middle of the two driving guide rails on the sunroof frame. The output shaft of the driving motor drives the front and rear driving racks through gears. The front driving rack passes through the front driving guide rail on one side of the sunroof frame to the front, bypasses the front of the sunroof frame to the rear of the driving guide rail on the other side of the sunroof frame, and the rear driving rack passes through the rear driving guide rail on one side of the sunroof frame to the rear, bypasses the rear of the sunroof frame to the front of the driving guide rail on the other side of the sunroof frame; the front and rear sunshades are respectively arranged on the front and rear of the driving rails on both sides of the sunroof frame, and the two ends of the extension rod of the front sunshade are respectively connected to the front driving rack in the front of one side of the sunroof frame The two ends of the extension rod of the rear sunshade are respectively connected to the rear driving rack in the rear of one side of the sunroof frame and the front driving rack in the rear of the other side of the sunroof frame; a limiting groove is provided on the upper track wall on one side of the driving track corresponding to the sunshade with a smaller opening range among the front and rear sunshades; both ends of the extension rod of the sunshade with a smaller opening range are connected to sliders, which slide in the inner track of the driving track and are provided with a spring sheet at the bottom, a downward slider hook is provided on the side of the slider facing the direction of the driving motor, the driving rack is connected to the rack connecting block arranged in the driving track, and a connecting block hook connected to the matching slider hook is provided on the side of the rack connecting block facing the slider; the limiting groove corresponds to the slider hook.

2. The single-motor double-opening sunshade curtain according to claim 1 is characterized in that: An end cover is arranged at the end of the extension rod, and the end cover is engaged with a boss on a rack driving terminal on each driving rack.

3. The single-motor double-opening sunshade curtain according to claim 1 is characterized in that: The front and rear driving racks are externally provided with plastic-coated racks, and the plastic-coated racks are clamped in the sunshade driving grooves on the driving guide rails on both sides of the skylight frame.

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