Automobile skylight guide rail mechanism and using method thereof

Abstract

The invention discloses an automobile skylight guide rail mechanism and a using method thereof.The mechanism comprises a sliding block, a contraction assembly and a guide rail middle section, contraction blocks moving in the opposite direction or the reverse direction are movably inserted into the two sides of the sliding block, rotating shafts are movably inserted into the two ends of each contraction block, and rolling wheels rotationally inserted into the guide rail middle section are arranged on the surfaces of the rotating shafts; the contraction assembly is located in the sliding block and comprises a lead screw and a steering bevel gear coaxial with the lead screw, the two ends of the lead screw are inserted into the two contraction blocks in a threaded mode, the threaded surfaces of the two ends of the lead screw are oppositely arranged, and one side of the steering bevel gear is connected with a driving bevel gear in an engaged mode. The two sliding blocks are driven to move oppositely through the arranged contraction assembly, the rolling wheels leave the middle sections of the guide rails and are contracted into the sliding blocks, and therefore the sliding blocks are directly taken down to replace the abraded rolling wheels, the guide rails do not need to be disassembled, and the rolling wheels are more convenient to replace.

Description

Technical Field

[0001] The present invention belongs to the technical field of automotive sunroof rail mechanisms, and particularly relates to an automotive sunroof rail mechanism and a method for using an automotive sunroof rail mechanism. Background Art

[0002] The automotive sunroof rail is a key component of the sunroof system. Like an "invisible track", it supports the sunroof glass and guides its smooth movement, ensuring smooth and precise opening and closing of the sunroof. Its working process is as follows: The driving motor transmits power to the slider through a transmission mechanism (cable / rack). The slider slides along the rail body, driving the sunroof glass to move to control the opening and closing of the sunroof.

[0003] The slider is in direct contact with the rail surface and slides. If the sunroof rail is not regularly cleaned and lubricated, the surface material of the roller gradually wears due to long-term movement. Moreover, the greater the weight of the sunroof glass, the greater the pressure on the roller, and the friction loss intensifies, which will cause the automotive sunroof to get stuck and make abnormal noises when opening and closing. And the slider is movably inserted into the rail internally. When replacing, the middle section of the rail needs to be disassembled from the front and rear ends, resulting in complex and inconvenient maintenance work. Summary of the Invention

[0004] In view of the problem that it is inconvenient to replace the roller when the slider is movably inserted into the rail internally in the prior art, the present invention proposes the following technical solutions:

[0005] An automotive sunroof rail mechanism includes: a slider, a contraction assembly, and a middle section of the rail. Oppositely or reversely moving contraction blocks are movably inserted on both sides of the slider. Rotating shafts are movably inserted at both ends of the contraction blocks, and rollers rotatably inserted into the middle section of the rail are arranged on the surfaces of the rotating shafts.

[0006] The contraction assembly is located inside the slider. The contraction assembly includes a lead screw and a steering bevel gear coaxially arranged with the lead screw. Both ends of the lead screw are threadedly inserted into the two contraction blocks, and the thread surfaces at both ends of the lead screw are arranged in the opposite direction. A driving bevel gear is meshed and connected to one side of the steering bevel gear.

[0007] When the driving bevel gear rotates, it drives the steering bevel gear and the lead screw to rotate. The two contraction blocks move towards each other, moving the rollers away from the middle section of the rail and contracting them into the slider, so that the slider can be directly removed to replace the worn rollers.

[0008] Preferably, a limiting assembly is arranged at the end of the rotating shaft. The limiting assembly is used to limit the end of the rotating shaft within the contraction block. The limiting assembly includes a connecting block, and a plurality of limiting blocks are circumferentially arranged on the connecting block. One side surface of the limiting block is in contact with the surface of the contraction block.

[0009] As a preference of the above technical solution, an elastic block is arranged between the limiting block and the connecting block, and two ends of the elastic block are respectively fixedly connected with the limiting block and the connecting block.

[0010] As a preference of the above technical solution, the cross section of the connecting block is the same as that of the rotating shaft, and the connecting block and the rotating shaft are fixedly connected through a fixing member.

[0011] As a preference of the above technical solution, a reverse pushing ring fixedly connected with the sliding block is arranged between the two rotating shafts. The cross section of the reverse pushing ring is arranged in an I shape. When the two shrinking blocks move excessively towards each other, the connecting block is inserted into contact with the middle part of the reverse pushing ring and is pushed in the reverse direction.

[0012] As a preference of the above technical solution, one end of the limiting block is arranged in a slope shape, and the reverse pushing ring is matched with the limiting block.

[0013] As a preference of the above technical solution, an adjusting knob is arranged at the end of the driving bevel gear, and an internal hexagonal hole is formed on the surface of the adjusting knob.

[0014] A working method of an automobile sunroof guide rail mechanism includes the following steps:

[0015] S1. Remove the sunroof: Cancel the fixation between the two sides of the sunroof and the corresponding sliding blocks and remove it. Then use a tool to drive the driving bevel gear to rotate.

[0016] S2. Shrink the roller: Rotate the driving bevel gear to drive the steering bevel gear and the lead screw to rotate. The two shrinking blocks move towards each other to move the roller away from the middle section of the guide rail and shrink it into the sliding block.

[0017] S3. Replace the roller: After removing the sliding block, replace the roller. Then reinstall the sliding block and control the two shrinking blocks to move in the reverse direction so that the roller returns to the middle section of the guide rail again.

[0018] S4. Install the sunroof: Reinstall the sunroof above the guide rail mechanism, and then fix it with the sliding block to complete the replacement work of the roller.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The contraction assembly drives the two sliding blocks to move towards each other, and the roller moves away from the middle section of the guide rail and shrinks into the sliding block accordingly. Thus, the sliding block can be directly removed to replace the worn roller, and there is no need to disassemble the guide rail, making the replacement of the roller more convenient.

[0021] 2. The provided reverse push ring can contact the limit block and the connection block respectively when the slider moves excessively. The limit block contacts the reverse push ring first and contracts to release the restriction on the rotating shaft, and then the connecting rod contacts the reverse push ring and is pushed backward to move the limit block into the contraction block, so that the roller can be quickly removed for replacement, making the replacement work of the roller more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 FIG. shows the overall structural schematic diagram of the embodiment;

[0023] Figure 2 FIG. shows the front view of the slider in the embodiment;

[0024] Figure 3 FIG. shows the installation position diagram of the contraction assembly in the embodiment;

[0025] Figure 4 FIG. shows the installation position diagram of the limit assembly in the embodiment;

[0026] Figure 5 FIG. shows the contraction state diagram of the roller in the embodiment;

[0027] Figure 6 FIG. shows the disengaged state diagram of the limit assembly in the embodiment.

[0028] In the figure: 10, middle section of the guide rail; 20, slider; 30, contraction assembly; 31, lead screw; 32, driving bevel gear; 33, steering bevel gear; 34, adjustment knob; 40, contraction block; 50, roller; 60, rotating shaft; 70, limit assembly; 71, connection block; 72, limit block; 73, elastic block; 74, reverse push ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings of the specification.

[0030] Embodiment

[0031] Figures 1-6 In the embodiment, an automotive sunroof guide rail mechanism, characterized by comprising: a slider 20, a contraction assembly 30, and a middle section 10 of the guide rail. The two sides of the slider 20 are both movably inserted with contraction blocks 40 that move towards or away from each other. Both ends of the contraction block 40 are movably inserted with a rotating shaft 60, and a roller 50 rotatably inserted on the middle section 10 of the guide rail is arranged on the surface of the rotating shaft 60;

[0032] The contraction assembly 30 is located inside the slider 20. The contraction assembly 30 includes a lead screw 31 and a steering bevel gear 33 coaxially arranged with the lead screw 31. Both ends of the lead screw 31 are threadedly inserted into two contraction blocks 40, and the threaded surfaces at both ends of the lead screw 31 are arranged in opposite directions. One side of the steering bevel gear 33 is meshed with a driving bevel gear 32;

[0033] An adjustment knob 34 is provided at the end of the driving bevel gear 32, and an internal hexagonal hole is formed on the surface of the adjustment knob 34.

[0034] The rotation of the driving bevel gear 32 drives the steering bevel gear 33 and the lead screw 31 to rotate. The two contraction blocks 40 move towards each other, causing the roller 50 to leave the middle section 10 of the guide rail and contract into the slider 20, so that the slider 20 can be directly removed to replace the worn roller 50.

[0035] When the roller 50 needs to be replaced, first remove the sunroof. Then use a hex wrench to drive the adjustment knob 34 to rotate. The driving bevel gear 32 rotates accordingly, driving the steering bevel gear 33 and the lead screw 31 to rotate. The two contraction blocks 40 move towards each other, causing the roller 50 to leave the middle section 10 of the guide rail and contract into the slider 20, so that the slider 20 can be directly removed to replace the worn roller 50.

[0036] The contraction assembly 30 drives the two sliders 20 to move towards each other, causing the roller 50 to leave the middle section 10 of the guide rail and contract into the slider 20. Thus, the slider 20 can be directly removed to replace the worn roller, without the need to disassemble the guide rail, making the replacement of the roller 50 more convenient.

[0037] A working method of an automobile sunroof guide rail mechanism includes the following steps:

[0038] S1. Remove the sunroof: Cancel the fixation between both sides of the sunroof and the corresponding slider 20 and remove it. Then use a tool to drive the driving bevel gear 32 to rotate;

[0039] S2. Contract the roller 50: Rotate the driving bevel gear 32 to drive the steering bevel gear 33 and the lead screw 31 to rotate. The two contraction blocks 40 move towards each other, causing the roller 50 to leave the middle section 10 of the guide rail and contract into the slider 20;

[0040] S3. Replace the roller 50: After removing the slider 20, replace the roller 50. Then reinstall the slider 20 and control the two contraction blocks 40 to move in the reverse direction so that the roller 50 returns to the middle section 10 of the guide rail again;

[0041] S4. Install the sunroof: Reinstall the sunroof above the guide rail mechanism, and then fix it to the slider 20 to complete the replacement work of the roller 50.

[0042] Figures 3-6Among them, a limiting component 70 is provided at the end of the rotating shaft 60. The limiting component 70 is used to limit the end of the rotating shaft 60 within the contraction block 40. The limiting component 70 includes a connecting block 71. The cross-section of the connecting block 71 is the same as that of the rotating shaft 60. The connecting block 71 and the rotating shaft 60 are fixedly connected through a fixing member. A plurality of limiting blocks 72 are circumferentially arranged on the connecting block 71. One side surface of the limiting block 72 is attached to the surface of the contraction block 40.

[0043] An elastic block 73 is arranged between the limiting block 72 and the connecting block 71. Both ends of the elastic block 73 are fixedly connected to the limiting block 72 and the connecting block 71 respectively.

[0044] A reverse pushing ring 74 fixedly connected to the slider 20 is arranged between the two rotating shafts 60. The cross-section of the reverse pushing ring 74 is in an I-shaped setting. When the two contraction blocks 40 move excessively towards each other, the connecting block 71 is inserted into contact with the middle part of the reverse pushing ring 74 and is pushed in the reverse direction.

[0045] One end of one side of the limiting block 72 is in a slope shape. The reverse pushing ring 74 is matched with the limiting block 72.

[0046] After the slider 20 is removed, continue to rotate the driving bevel gear 32 to drive the lead screw 31 to rotate. When the two sliders 20 move excessively, the limiting block 72 contacts the surface of the reverse pushing ring 74. Since one end of one side of the limiting block 72 is in a slope shape and the reverse pushing ring 74 is matched with the limiting block 72, the limiting block 72 is pushed and contracted into the connecting block 71, and the elastic block 73 is compressed and deformed accordingly. When the limiting block 72 completely enters the connecting block 71, the end of the connecting block 71 contacts the middle part of the reverse pushing ring 74 and is blocked. The relative movement of the rotating shaft 60 and the connecting block 71 with respect to the contraction block 40 causes the limiting block 72 to enter the contraction block 40. The limiting component 70 then disconnects the restriction on the rotating shaft 60. By pulling the roller 50, the rotating shaft 60 can be removed. After removing the connecting block 71, the rotating shaft 60 and the roller 50 can be replaced and reinstalled.

[0047] The provided reverse pushing ring 74 can contact the limiting block 72 and the connecting block 71 respectively when the slider 20 moves excessively. The limiting block 72 first contacts the reverse pushing ring 74 and contracts to disconnect the restriction on the rotating shaft 60, and then the connecting rod contacts the reverse pushing ring 74 and is pushed in the reverse direction to move the limiting block 72 into the contraction block 40, so as to quickly remove the roller 50 for replacement, making the replacement work of the roller 50 more efficient.

[0048] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it.

Claims

1. An automobile sunroof guide rail mechanism, characterized in that, Comprising: A slider (20), a contraction assembly (30) and a middle section of a guide rail (10). Both sides of the slider (20) are movably inserted with contraction blocks (40) that move towards or away from each other. Both ends of the contraction block (40) are movably inserted with a rotating shaft (60). A roller (50) that is rotatably inserted in the middle section of the guide rail (10) is arranged on the surface of the rotating shaft (60); The contraction assembly (30) is located inside the slider (20). The contraction assembly (30) includes a lead screw (31) and a steering bevel gear (33) coaxially arranged with the lead screw (31). Both ends of the lead screw (31) are threadedly inserted into the two contraction blocks (40), and the threaded surfaces at both ends of the lead screw (31) are arranged in opposite directions. One side of the steering bevel gear (33) is meshed with a driving bevel gear (32); The rotation of the driving bevel gear (32) drives the steering bevel gear (33) and the lead screw (31) to rotate. The two contraction blocks (40) move towards each other to move the roller (50) away from the middle section of the guide rail (10) and contract into the slider (20), and then the slider (20) can be directly removed to replace the worn roller (50).

2. The automotive sunroof guide rail mechanism according to claim 1, characterized in that, A limiting assembly (70) is arranged at the end of the rotating shaft (60). The limiting assembly (70) is used to limit the end of the rotating shaft (60) within the contraction block (40). The limiting assembly (70) includes a connecting block (71). A plurality of limiting blocks (72) are circumferentially arranged on the connecting block (71). One side surface of the limiting block (72) is attached to the surface of the contraction block (40).

3. The automotive sunroof guide rail mechanism according to claim 2, wherein An elastic block (73) is arranged between the limiting block (72) and the connecting block (71). Both ends of the elastic block (73) are fixedly connected to the limiting block (72) and the connecting block (71) respectively.

4. The automotive sunroof guide rail mechanism according to claim 2, wherein, The cross-section of the connecting block (71) is the same as that of the rotating shaft (60). The connecting block (71) and the rotating shaft (60) are fixedly connected through a fixing member.

5. The automotive sunroof guide rail mechanism according to claim 3, characterized in that, A reverse push ring (74) fixedly connected to the slider (20) is arranged between the two rotating shafts (60). The cross-section of the reverse push ring (74) is arranged in an I-shape. When the two contraction blocks (40) move excessively towards each other, the connecting block (71) is inserted into contact with the middle part of the reverse push ring (74) and is pushed in the reverse direction.

6. The automotive sunroof guide rail mechanism according to claim 4, wherein One side end of the limiting block (72) is arranged in a slope shape, and the reverse push ring (74) is matched with the limiting block (72).

7. The automotive sunroof guide rail mechanism according to claim 1, characterized in that, An adjustment knob (34) is arranged at the end of the driving bevel gear (32). An internal hexagonal hole is formed on the surface of the adjustment knob (34).

8. A working method of an automotive sunroof guide rail mechanism according to any one of claims 1-7, characterized in that, Including the following steps: S1. Remove the skylight: Cancel the fixation between both sides of the skylight and the corresponding slider (20) and remove it. Subsequently, use a tool to drive the driving bevel gear (32) to rotate; S2. Contract the roller (50): Rotate the driving bevel gear (32) to drive the steering bevel gear (33) and the lead screw (31) to rotate. The two contraction blocks (40) move towards each other to move the roller (50) away from the middle section of the guide rail (10) and contract into the slider (20); S3. Replace the roller (50): After removing the slider (20), replace the roller (50), then reinstall the slider (20) and control the two shrinkage blocks (40) to move in the opposite direction so that the roller (50) returns to the middle section (10) of the guide rail again; S4. Install the skylight: Reinstall the skylight above the guide rail mechanism, and then fix it to the slider (20) to complete the replacement of the roller (50).

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