Outward sliding panoramic sunroof driving structure

Abstract

The invention relates to an outer sliding panoramic sunroof driving structure, the outer sliding panoramic sunroof driving structure comprises a front upwarp assembly, a rear upwarp assembly, a driving block, a mechanical arm and a flexible shaft hooking assembly.The front upwarp assembly and the rear upwarp assembly are arranged in sliding grooves corresponding to the driving block and are arranged in sliding rails at the same time, so that the mechanical arm is driven by the mechanical arm, and the flexible shaft hooking assembly is driven by the mechanical arm; the front upwarp assembly and the rear upwarp assembly are supported in a double-supporting mode, matched parts are evenly stressed, the impact strength of a mechanical set in the actuation process can be better absorbed, and the strength can well meet the use requirement. The front upwarp assembly and the rear upwarp assembly are hinged to the mechanical arm, the driving block, the front upwarp assembly, the rear upwarp assembly and the mechanical arm form a quadrilateral movement mechanism, and meanwhile, the quadrilateral movement mechanism is matched with the double-supporting structure, so that the two sides of the whole driving structure are evenly and stably stressed, and the situation that local stress is too large, friction resistance is increased, and other functions are affected is avoided; the stable action force can meet the requirement for repeated reciprocating action of opening and closing of the skylight.

Description

Technical Field

[0001] The invention relates to a car sunroof, and in particular to an outward sliding panoramic sunroof driving structure. Background Art

[0002] The mechanical group structure of the existing outward sliding panoramic small sunroof is complex. For example, the patent (CN107433840B) discloses a panoramic sunroof, including a rear glass, a front glass, a slide rail, a front lifting mechanism, a rear lifting mechanism, a driving slider, a flexible shaft and a turning slide groove, the notch of the turning slide groove is connected with the notch of the slide rail; a front slide groove is provided at the front of the driving slider, and a rear slide groove is provided at the rear; a motor drives the flexible shaft to slide in the slide rail, and the flexible shaft drives the driving slider to move in the slide rail together; the front part of the front glass is arranged in the front slide groove of the driving slider through the front lifting mechanism, and the rear part of the front glass is arranged in the rear slide groove of the driving slider through the rear lifting mechanism, and when the flexible shaft drives the driving slider to slide backward in the slide rail, the rear lifting mechanism and the front lifting mechanism realize the lifting action of the rear and front parts of the front glass in turn, completes the lifting of the front glass, and the driving slider continues to move to realize the gradual opening of the front glass. The patented structure is relatively complex, and the front and rear lift mechanisms are only arranged on one side in the slide groove corresponding to the driving slider. The matching consistency with the mating parts is poor during operation, which can easily cause failure of a certain part and affect the performance of the entire sunroof. Summary of the invention

[0003] In order to solve the above problems, the present invention provides an outward sliding panoramic sunroof driving structure, which has a simple structure and stable operation.

[0004] The technical solution adopted by the present invention is: a driving structure of an outward-sliding panoramic sunroof, characterized in that it includes a front lifting assembly, a rear lifting assembly, a driving block, a mechanical arm and a flexible shaft hanging assembly, the front end of the driving block is provided with a front slide groove cooperating with the front lifting assembly, and the rear end is provided with a rear slide groove cooperating with the rear lifting assembly; the driving block is fixedly arranged on the flexible shaft hanging assembly, the front end of the mechanical arm is hinged with the front lifting assembly, and the middle part is hinged with the rear lifting assembly; the driving block, the front lifting assembly, the rear lifting assembly and the mechanical arm form a quadrilateral motion mechanism; the flexible shaft drives the driving block to move through the flexible shaft hanging assembly, thereby driving the front lifting assembly and the rear lifting assembly to complete lifting or closing.

[0005] Preferably, the front slide groove includes a straight line segment arranged at the rear section and an arc segment arranged at the front section, and during warping, the front warping assembly moves from the straight line segment to the arc segment.

[0006] Preferably, the front lifting assembly includes a front lifting arm, and both sides of the front end of the front lifting arm are provided with front lifting arm outer sliding sleeves that cooperate with the slide rails, and the rear end is provided with a front lifting arm inner sliding sleeve that cooperates with the front slide groove; the top of the front lifting arm is hinged to the front end of the mechanical arm.

[0007] Preferably, the rear lifting assembly includes a rear lifting arm, the front end of which is provided with an outer sliding sleeve of the rear lifting arm cooperating with the slide rail, and an inner sliding sleeve of the rear lifting arm cooperating with the rear slide groove; the rear end of the rear lifting arm is hinged to the middle part of the mechanical arm.

[0008] Preferably, it further comprises a locking block assembly, which is arranged in the slide rail and is cooperatively connected with the rear end of the robotic arm.

[0009] Preferably, the locking block assembly comprises a locking block body, and a locking groove which is cooperatively connected with the rear end of the mechanical arm is provided at the front end of the locking block body.

[0010] Preferably, the rear end of the locking block body is provided with a first inner clip and a second inner clip cooperating with the slide rail, the first inner clip extends to the rear end, and the second inner clip extends to the front end.

[0011] Preferably, the first inner clip and the second inner clip have the same structure, both comprising two elastic arms extending outwards, and the ends of the elastic arms are provided with clamps cooperating with the slide rails.

[0012] The beneficial effects achieved by the present invention are as follows: the present invention forms a double support for the front and rear lift assemblies by arranging the front and rear lift assemblies in the slide grooves corresponding to the drive blocks, and the front and rear lift assemblies are simultaneously arranged in the slide rails, so that the mating parts are evenly stressed, and can better absorb the impact strength of the mechanical group during the actuation process, and the strength can well meet the use requirements; the front and rear lift assemblies adopt a double support structure, the structural optimization is more reasonable, the assembly is tighter, and the actuation performance is stronger, which can better meet the normal use requirements of the sunroof; the front and rear lift assemblies are hinged to the mechanical arm, and the drive block, the front and rear lift assemblies, the rear lift assemblies and the mechanical arm form a quadrilateral motion mechanism, and at the same time cooperate with the double support structure, so that the overall stress on both sides of the drive structure is evenly and stably, avoiding excessive local stress, resulting in increased friction resistance and affecting other functions, and the stable actuation force can meet the requirements of repeated reciprocating actuation of the sunroof opening and closing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0014] Figure 2 for Figure 1 Exploded diagram of

[0015] Figure 3 This is a state diagram of the mechanical arm and the locking block assembly being separated before the sunroof driving structure is lifted;

[0016] Figure 4 This is a state diagram of the sunroof driving structure being fully lifted;

[0017] Figure 5 It is a structural schematic diagram of the sunroof drive structure installed in the slide rail;

[0018] Figure 6 It is a schematic diagram of the structure inside the turning slide groove at the front end of the front lift assembly motion slide rail;

[0019] Figure 7 It is a schematic diagram of the cooperation between the inner clip of the locking block assembly and the slide rail;

[0020] Figure 8 is a cross-sectional view of the slide rail;

[0021] Among them: 1. Front lifting assembly; 11. Front lifting arm; 12. Front lifting arm outer sleeve; 13. Front lifting arm inner sleeve; 14. Front lifting arm rivet pin; 15. Front rivet pin of mechanical arm; 16. Front rivet pin gasket of mechanical arm; 17. Front gasket of mechanical arm; 2. Rear lifting assembly; 21. Rear lifting arm; 22. Rear lifting arm outer sleeve; 23. Rear lifting arm inner sleeve; 24. Rear lifting arm rivet pin; 25. Rear rivet pin of mechanical arm; 26. Rear rivet pin gasket of mechanical arm; 27. Rear gasket of mechanical arm; 3. Mechanical arm; 3 1. Front riveting hole of the robot arm; 32. Rear riveting hole of the robot arm; 33. Locking connection part of the robot arm; 4. Drive block; 41. Front slide groove; 42. Rear slide groove; 43. Slide wing; 44. Drive block plug-in part; 5. Flexible shaft hanging assembly; 6. Locking block assembly; 61. Locking block body; 62. Locking groove; 63. First inner clip; 64. Second inner clip; 7. Slide rail; 71. First sliding area; 72. Second sliding area; 73. Third sliding area; 74. First locking groove; 75. Second locking groove; 8. Flexible shaft; 9. Turning groove. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] like Figure 1-7 As shown, an outward sliding panoramic sunroof driving structure of the present invention comprises a front lifting assembly 1, a rear lifting assembly 2, a driving block 4, a mechanical arm 3 and a flexible shaft hanging assembly 5, the front end of the driving block 4 is provided with a front slide groove 41 cooperating with the front lifting assembly 1, and the rear end is provided with a rear slide groove 42 cooperating with the rear lifting assembly 2; the driving block 4 is fixedly arranged on the flexible shaft hanging assembly 5, the front end of the mechanical arm 3 is hinged to the front lifting assembly 1, and the middle part is hinged to the rear lifting assembly 2; the driving block 4, the front lifting assembly 1, the rear lifting assembly 2 and the mechanical arm 3 form a quadrilateral motion mechanism; the flexible shaft 8 drives the driving block 4 to move through the flexible shaft hanging assembly 5, thereby driving the front lifting assembly 1 and the rear lifting assembly 2 to complete lifting or opening and closing.

[0024] Combination Figure 1As shown, the present invention arranges the front lift assembly 1 and the rear lift assembly 2 in the slide grooves corresponding to the drive block 4 (the front lift assembly 1 cooperates with the front slide groove 41, and the rear lift assembly 2 cooperates with the rear slide groove 42), and the front lift assembly 1 and the rear lift assembly 2 are arranged in the slide rail 7 at the same time, and the slide grooves and the slide rails 7 in the drive block 4 form a double support for the front lift assembly 1 and the rear lift assembly 2, the matching parts are evenly stressed, and the impact strength of the mechanical group during the actuation process can be better absorbed, and the strength can well meet the use requirements; the front lift assembly 1 and the rear lift assembly 2 The double-support structure is adopted, the structural optimization is more reasonable, the assembly is tighter, and it has strong actuation performance, which can better meet the normal use requirements of the sunroof; the front lifting assembly 1 and the rear lifting assembly 2 are hinged with the mechanical arm 3, and the driving block 4, the front lifting assembly 1, the rear lifting assembly 2 and the mechanical arm 3 form a quadrilateral motion mechanism. At the same time, with the double-support structure, the force on both sides of the driving structure as a whole is uniform and stable, avoiding excessive local force, resulting in increased friction resistance and affecting other functions. The stable actuation force can meet the requirements of repeated reciprocating actuation of opening and closing of the sunroof.

[0025] Combination Figure 2 As shown, the front end of the driving block 4 is provided with a front slide groove 41, the rear end is provided with a rear slide groove 42, the upper part is provided with a driving block plug-in part 44, and the lower part is provided with a sliding wing 43; the inner sliding sleeve 13 of the front lifting arm of the front lifting assembly 1 is arranged in the front slide groove 41, and the front slide groove 41 includes a straight section arranged in the rear section and a circular arc section arranged in the front section; the inner sliding sleeve 23 of the rear lifting arm of the rear lifting assembly 2 is arranged in the rear slide groove 42; the flexible shaft hanging assembly 5 is plugged and fixed with the upper part of the driving block 4 through the driving block plug-in part 44, driving the driving block 4 to move together; the driving block 4 is arranged in the track corresponding to the slide rail 7 through the sliding wing 43 at the bottom. When lifting, the front lifting assembly 1 moves from the straight section of the front slide groove 41 to the circular arc section, and the rear lifting assembly 2 moves from the rear end of the rear slide groove 42 to the front end.

[0026] The front lifting assembly 1 includes a front lifting arm 11, the top of the front lifting arm 11 is hinged to the front end of the mechanical arm 3 through a front rivet pin 15 of the mechanical arm, a front rivet pin gasket 16 of the mechanical arm is provided between the front rivet pin 15 of the mechanical arm and the front lifting arm 11, and a front gasket 17 of the mechanical arm is provided between the front lifting arm 11 and the mechanical arm 3; front lifting arm outer sliding sleeves 12 cooperating with the slide rail 7 are provided on both sides of the front end of the front lifting arm 11 through the front lifting arm rivet pins 14, and a front lifting arm inner sliding sleeve 13 cooperating with the front slide groove 41 is provided at the rear end through the front lifting arm rivet pins 14.

[0027] The rear lifting assembly 2 includes a rear lifting arm 21, the top of the rear lifting arm 21 is hinged to the middle of the mechanical arm 3 through a mechanical arm rear rivet pin 25, a mechanical arm rear rivet pin gasket 26 is provided between the mechanical arm rear rivet pin 25 and the rear lifting arm 21, and a mechanical arm rear gasket 27 is provided between the rear lifting arm 21 and the mechanical arm 3; the front ends of the rear lifting arm 21 are provided with rear lifting arm outer sliding sleeves 22 that cooperate with the slide rail 7 and rear lifting arm inner sliding sleeves 23 that cooperate with the rear slide groove 42 through rear lifting arm rivet pins 24.

[0028] The mechanical arm 3 is a long sheet metal structure, with a front riveting hole 31 of the mechanical arm hinged to the front lifting arm 11 at the front end, a rear riveting hole 32 of the mechanical arm hinged to the rear lifting arm 21 in the middle, and a mechanical arm locking connection part 33 cooperating with the locking block assembly 6 at the rear end; the sunroof glass assembly is installed on the mechanical arm 3, and the motion mechanism composed of the front lifting assembly 1, the rear lifting assembly 2, the driving block 4 and the mechanical arm 3 drives the mechanical arm 3 to move, thereby completing the lifting or opening and closing of the sunroof glass.

[0029] Combination Figure 5 , Figure 7 As shown, in this embodiment, the locking block assembly 6 is arranged in the slide rail 7, and the locking block assembly 6 is connected with the rear end of the mechanical arm 3 to complete the locking of the mechanical arm 3; when the rear end of the mechanical arm 3 is separated from the locking block assembly 6, the mechanical arm 3 is unlocked and the tilting action can be completed (that is, the mechanical arm 3 can be tilted). By setting the locking block assembly 6, the accidental tilting of the sunroof can be effectively prevented, and the accuracy of the movement position can be ensured.

[0030] In this embodiment, the locking block assembly 6 includes a locking block body 61, and a locking groove 62 is provided at the front end of the locking block body 61 to be matched with the rear end of the mechanical arm 3. A first inner clip 63 and a second inner clip 64 are provided at the rear end of the locking block body 61 to match the slide rail 7, and the first inner clip 63 extends to the rear end, and the second inner clip 64 extends to the front end; the first inner clip 63 and the second inner clip 64 have the same structure, and both include two elastic arms that are opened outwards, and the ends of the elastic arms are provided with a clamp that matches the slide rail 7.

[0031] Combination Figure 8 As shown, the slideway of the slide rail 7 is divided into three areas, namely the first sliding area 71, the second sliding area 72 and the third sliding area 73. The front lifting arm 11, the rear lifting arm 21 and the driving block 4 all move in the first sliding area 71, the flexible shaft hanging assembly 5 moves in the second sliding area 72, and the locking block assembly 6 moves in the third sliding area 73; a first locking groove 74 and a second locking groove 75 are provided in the rear end slide groove of the third sliding area 73, the first locking groove 74 cooperates with the first inner clip 63, and the second locking groove 75 cooperates with the second inner clip 64. By setting the first locking groove 74 and the second locking groove 75, the locking block assembly 6 can only move between the first locking groove 74 and the second locking groove 75.

[0032] When the second inner clip 64 slides into the second locking groove 75, the locking block body 61 is plugged and locked with the rear end of the robotic arm 3; when the first inner clip 63 slides into the first locking groove 74, the locking groove 62 at the front end of the locking block body 61 is disengaged from the robotic arm locking connection part 33 at the rear end of the robotic arm 3, completing the unlocking.

[0033] Combination Figure 6 As shown, the front end of the slide rail 7 is provided with a slide of the slide rail 7 which is smoothly connected to the turning slide groove 9. When the front lift arm inner slide sleeve 13 on the front lift arm 11 moves along the front slide groove 41 of the driving block 4 from the straight section of the rear section to the arc section of the front section; the front lift arm outer slide sleeve 12 of the front lift arm 11 moves from the turning slide groove 9 to the horizontal slide of the slide rail 7 to complete the lift action.

[0034] When lifting, the motor drives the flexible shaft 8 to first drive the locking block assembly 6 backward, so that the mechanical arm locking connection part 33 at the rear end of the mechanical arm 3 is disengaged from the locking groove 62 at the front end of the locking block body 61, and then the flexible shaft 8 drives the flexible shaft hanging assembly 5 to operate, thereby driving the driving block 6 to operate, that is, the entire mechanism assembly moves, and the sunroof is lifted, opened and closed.

[0035] The above shows and describes the basic principles and main structural features of the present invention. The present invention is not limited to the above examples. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A driving structure for an outward sliding panoramic sunroof, characterized in that: It includes a front lifting assembly, a rear lifting assembly, a driving block, a mechanical arm and a flexible shaft hanging assembly. The front end of the driving block is provided with a front slide groove cooperating with the front lifting assembly, and the rear end is provided with a rear slide groove cooperating with the rear lifting assembly. The driving block is fixedly arranged on the flexible shaft hanging assembly. The front end of the mechanical arm is hinged with the front lifting assembly, and the middle part is hinged with the rear lifting assembly. The driving block, the front lifting assembly, the rear lifting assembly and the mechanical arm form a quadrilateral motion mechanism. The flexible shaft drives the driving block to move through the flexible shaft hanging assembly, thereby driving the front lifting assembly and the rear lifting assembly to complete lifting or closing.

2. The outward sliding panoramic sunroof driving structure according to claim 1, characterized in that: The front slide groove includes a straight line segment arranged at the rear section and an arc segment arranged at the front section. When lifting, the front lifting assembly moves from the straight line segment to the arc segment.

3. The outward sliding panoramic sunroof driving structure according to claim 1, characterized in that: The front lifting assembly includes a front lifting arm, and both sides of the front end of the front lifting arm are provided with front lifting arm outer sliding sleeves that cooperate with the slide rail, and the rear end is provided with a front lifting arm inner sliding sleeve that cooperates with the front slide groove; the top of the front lifting arm is hinged to the front end of the mechanical arm.

4. The outward sliding panoramic sunroof driving structure according to claim 1, characterized in that: The rear lifting assembly includes a rear lifting arm, the front end of which is provided with an outer sliding sleeve of the rear lifting arm cooperating with the slide rail and an inner sliding sleeve of the rear lifting arm cooperating with the rear slide groove; the rear end of the rear lifting arm is hinged to the middle part of the mechanical arm.

5. The outward sliding panoramic sunroof driving structure according to claim 1, characterized in that: It also includes a locking block assembly, which is arranged in the slide rail and is cooperatively connected with the rear end of the mechanical arm.

6. The outward sliding panoramic sunroof driving structure according to claim 5, characterized in that: The locking block assembly comprises a locking block body, and a locking groove which is matched and connected with the rear end of the mechanical arm is provided at the front end of the locking block body.

7. The outward sliding panoramic sunroof driving structure according to claim 6, characterized in that: The rear end of the locking block body is provided with a first inner clip and a second inner clip matched with the slide rail, the first inner clip extends to the rear end, and the second inner clip extends to the front end.

8. The outward sliding panoramic sunroof driving structure according to claim 7, characterized in that: The first inner clip and the second inner clip have the same structure, and both include two elastic arms that open outwards, and the ends of the elastic arms are provided with clamps that cooperate with the slide rail.

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