Anti-abrasion track of automobile skylight

Abstract

The invention discloses an anti-abrasion track of an automobile skylight, and belongs to the field of automobile skylight tracks, the anti-abrasion track comprises a track body, and a sliding block is installed in an inner cavity of the track body in a sliding mode; the device further comprises a crossing assembly, the crossing assembly comprises movable cavities evenly formed in the bottom of the sliding block, fixing frames are installed in inner cavities of all the movable cavities in a sealed and sliding mode, rolling shafts are rotatably installed on the two side walls of inner cavities of all the fixing frames, and rolling wheels are fixedly installed between every two adjacent rolling shafts. Each group of rollers are in contact with the bottom wall of the inner cavity of the track body; according to the skylight opening and closing device, original sliding friction can be changed into rolling friction, friction force can be remarkably reduced, the service life of the skylight opening and closing device can be prolonged, meanwhile, the roller can automatically move upwards to cross foreign matter, the situation that friction is generated between an original sliding block and the foreign matter, and the sliding block is clamped and damaged is avoided, and the opening and closing smoothness of a skylight can be effectively improved.

Description

Technical Field

[0001] The invention relates to the field of automobile sunroof tracks, and more particularly to an anti-wear track of an automobile sunroof. Background Art

[0002] The car sunroof provides passengers with a wider field of vision and better ventilation, improving the driving experience. The car sunroof track is an important component of the sunroof system. It is responsible for supporting the sunroof glass and guiding its movement when opening and closing. The slider is the part that directly contacts the track. They are placed on both sides of the sunroof frame and slide along the track, making the sunroof open and close more smoothly.

[0003] In cities, many vehicles are often parked in parking spaces under roadside trees. Especially for vehicles that have been parked for a long time, many foreign objects may fall on the surface of the sunroof. When the sunroof is opened, it is inevitable that some foreign objects will be blown into the track by the wind.

[0004] However, when the slider moves in the track of the car sunroof, it can only move according to the predetermined path of the guide rail, and cannot move up and down in the guide rail by itself. When foreign objects enter the guide rail, the slider will not be able to adjust its height by itself to overcome these obstacles. In this case, the foreign objects will hinder the normal movement of the slider. When the sunroof is opened or closed, the friction caused by the foreign objects will bring additional noise, affecting the quiet and comfortable environment in the car. In severe cases, jamming may occur, requiring greater force to complete the operation, or even completely unable to move, which is prone to damage. Summary of the invention

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide an anti-wear track for a car sunroof, which can change the previous sliding friction into rolling friction, thereby significantly reducing friction and increasing its service life. At the same time, the roller can move upward by itself to pass over foreign objects, avoiding the friction between the slider and the foreign objects, which may cause the foreign objects to get stuck and damaged, and can effectively improve the smoothness of the sunroof opening and closing.

[0006] To solve the above problems, the present invention adopts the following technical solutions.

[0007] An anti-wear track for a car sunroof comprises a track body, wherein a slider is slidably mounted in the inner cavity of the track body;

[0008] Also includes:

[0009] A crossing component, the crossing component includes active cavities evenly opened at the bottom of the slider, the inner cavity of each group of the active cavities is sealed and slidably installed with a fixed frame, rollers are rotatably installed on both side walls of the inner cavity of each group of the fixed frames, rollers are fixedly installed between two adjacent groups of rollers, each group of rollers is arranged in contact with the bottom wall of the inner cavity of the track body, a telescopic spring is fixedly installed between the top of each group of the fixed frames and the inner cavity top wall of the adjacent active cavity, a connecting piece is fixedly installed on the top of the slider, and the connecting piece is slidably installed with the track body.

[0010] Furthermore, each group of the active cavities is provided with a groove on the inner cavity wall, each group of the grooves is slidably installed with a fixed cylinder, each group of the fixed cylinder is fixedly installed with an adjacent fixed frame, each group of the fixed cylinder is provided with a rotating rod, each group of the rotating rod is rotatably installed with an adjacent fixed frame, a large gear is fixedly installed on the roller near the groove side, a small gear is meshed on the top of each group of the large gear, each group of the small gear is fixedly installed with one end of the adjacent rotating rod, and a fan blade is fixedly installed on the end of each group of the rotating rod near the fixed cylinder.

[0011] Furthermore, two groups of exhaust channels are provided at the bottom of the slider, the interiors of the two groups of exhaust channels are connected, and the top ends penetrate the slider and are connected to the inner cavities of the fixed cylinders of each group, and diverter blocks are provided directly below the two groups of exhaust channels, and each group of diverter blocks is fixedly installed on the bottom of the slider;

[0012] An air intake channel is provided in the side wall of each group of the fixed frames, the top end of each group of the air intake channels is connected to the inner cavity of the adjacent fixed cylinder, and the bottom end of each group of the air intake channels is connected to the inner cavity of the track body.

[0013] Furthermore, each group of rollers is sleeved on the outside with a sleeve frame, each group of the sleeve frames is fixedly installed with the inner cavity wall of the adjacent fixed frame, each group of the sleeve frames is fixedly installed with an exhaust pipe on the top, and the other end of each group of the exhaust pipe passes through the adjacent fixed frame and is connected with the inner cavity of the movable cavity.

[0014] Furthermore, an air inlet hole is provided on one side of the inner cavity top wall of each group of the active cavities, and the other end of each group of the air inlet holes is connected to the exhaust channel.

[0015] Furthermore, oblique grooves are arranged on both sides of the bottom wall of the inner cavity of the track body, and scraping blocks are arranged in contact with the inside of two groups of the oblique grooves, and each group of the scraping blocks is fixedly installed with the sliding block.

[0016] Furthermore, collection frames are detachably mounted at the bottom of both ends of the track body, and two groups of the oblique grooves are provided with leaking openings on one side close to the collection frames, and each group of the leaking openings is located directly above the adjacent collection frames.

[0017] Furthermore, cavities are provided on the opposite sides of the two groups of scraping blocks, push blocks are slidably installed in the inner cavities of the two groups of cavities, reset springs are fixedly installed between the two groups of push blocks and the inner walls of the adjacent cavities, balls are rollingly installed on the opposite sides of the two groups of push blocks, and semicircular grooves matching the balls are provided on the inner walls of the track bodies.

[0018] Furthermore, the distance between the top of the exhaust passage and the bottom wall of the inner cavity of the fixed tube is greater than the distance between the top wall of the fixed tube and the top wall of the slotted inner cavity.

[0019] Furthermore, a filter screen is fixedly installed at the bottom end of each group of the air intake channels.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) In this solution, when the roller passes over a foreign object, the fixed frame will be driven to move upward to squeeze the telescopic spring. When the roller passes over the foreign object, the telescopic spring will drive the roller to move downward to the initial state through the fixed frame, so that it can move upward to pass over the foreign object by itself, so that the roller will not be restricted during the movement process, avoiding the situation in which the track body can only move according to the predetermined path of the guide rail, causing friction when encountering foreign objects, and even causing the slider to get stuck and damaged. This can effectively improve the smoothness of opening and closing the sunroof and avoid losses caused by damage.

[0022] (2) When the roller rolls, the large gear and the small gear cooperate to drive the fan blades to rotate quickly and blow air into the exhaust channel. The gas discharged from the exhaust channel will be divided by the diversion block and diffused to both sides, so that the pre-rolling position of the roller can be blown in advance, and foreign objects can be cleared from the pre-rolling path of the roller in advance, which plays a pre-clearing role. It can improve the stability of the slider in the process of driving the roller to move, and reduce the abnormal noise caused by the presence of foreign objects, thereby effectively improving the smoothness of opening and closing the sunroof.

[0023] (3) In this solution, when the telescopic spring drives the roller to move downward to the initial state through the fixed frame, the roller will hit the bottom wall of the inner cavity of the track body and vibrate it, which can reduce the adhesion of foreign matter on the bottom wall of the inner cavity of the track body so that it can be blown away by the exhaust duct. At the same time, the collision will produce a short sound. When the sound is too loud, it means that the foreign matter is adhered to the bottom wall of the inner cavity of the track body and cannot be blown away by the blowing force of the exhaust duct, which serves as a warning to the users in the car, so that the users can check the inner cavity of the track body when opening the sunroof, thereby avoiding unnecessary losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 is a cross-sectional view of the track body of the present invention;

[0026] Figure 3 is a cross-sectional view of a slider of the present invention;

[0027] Figure 4 For the present invention Figure 3 A magnified view of the structure of the middle part A;

[0028] Figure 5 For the present invention Figure 3 A magnified view of the structure of the middle B section;

[0029] Figure 6 A bottom view of the slider of the present invention;

[0030] Figure 7 For the present invention Figure 6 Enlarged view of the structure of section C.

[0031] Description of the numbers in the figure:

[0032] 1. Track body; 2. Slider; 3. Movable cavity; 4. Fixed frame; 5. Roller; 6. Roller; 7. Telescopic spring; 8. Connector; 9. Semicircular groove; 10. Slot; 11. Fixed cylinder; 12. Rotating rod; 13. Fan blade; 14. Large gear; 15. Small gear; 16. Exhaust channel; 17. Diverter block; 18. Intake channel; 19. Filter; 20. Frame; 21. Exhaust pipe; 22. Air inlet; 23. Oblique groove; 24. Scraper block; 25. Collecting frame; 26. Leakage; 27. Cavity; 28. Push block; 29. ​​Reset spring; 30. Ball. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0034] See also Figures 1 to 7 , an anti-wear track for a car sunroof, comprising a track body 1, an inner cavity of which is slidably mounted a slider 2;

[0035] Also includes:

[0036] The crossing component includes active cavities 3 evenly opened at the bottom of the slider 2, the inner cavity of each group of active cavities 3 is sealed and slidably installed with a fixed frame 4, rollers 5 are rotatably installed on both side walls of the inner cavity of each group of fixed frames 4, rollers 6 are fixedly installed between two adjacent groups of rollers 5, and each group of rollers 6 is arranged in contact with the bottom wall of the inner cavity of the track body 1, and a telescopic spring 7 is fixedly installed between the top of each group of fixed frames 4 and the inner cavity top wall of the adjacent active cavity 3, and a connecting piece 8 is fixedly installed on the top of the slider 2, and the connecting piece 8 is slidably installed with the track body 1.

[0037] A slot 10 is provided on the inner wall of each group of active cavities 3, and a fixed cylinder 11 is slidably installed in the inner cavity of each group of slots 10. Each group of fixed cylinders 11 is fixedly installed with an adjacent fixed frame 4. A rotating rod 12 is provided in each group of fixed cylinders 11, and each group of rotating rods 12 is rotatably installed with an adjacent fixed frame 4. A large gear 14 is fixedly installed on the roller 5 near the side of the slot 10, and a small gear 15 is meshed and installed on the top of each group of large gears 14. Each group of small gears 15 is fixedly installed with one end of the adjacent rotating rod 12, and a fan blade 13 is fixedly installed on the end of each group of rotating rods 12 near the fixed cylinder 11.

[0038] Two groups of exhaust channels 16 are provided at the bottom of the slider 2. The two groups of exhaust channels 16 are connected to each other, and the top ends thereof penetrate the slider 2 and are connected to the inner cavities of the fixed tubes 11. A flow divider 17 is provided directly below the two groups of exhaust channels 16. Each group of flow divider 17 is fixedly installed to the bottom of the slider 2.

[0039] An air intake channel 18 is provided in the side wall of each group of fixed frames 4 , the top end of each group of air intake channels 18 is connected to the inner cavity of the adjacent fixed cylinder 11 , and the bottom end of each group of air intake channels 18 is connected to the inner cavity of the track body 1 .

[0040] First, the track body 1 is fixedly installed on both sides of the sunroof frame respectively, and then the connecting arm used to drive the movement of the sunroof is installed together with the top of the connecting piece 8. When the sunroof connecting arm pushes the connecting piece 8 to move, the connecting piece 8 will drive the slider 2 to slide in the inner cavity of the track body 1. While the slider 2 moves, it will drive the roller 6 to roll in the inner cavity of the track body 1 through the fixed frame 4. The roller 6 rolls on the inner cavity wall of the fixed frame 4 through the roller 5. The previous sliding friction is changed into rolling friction through the setting of the roller 6, which can significantly reduce the friction force, making the opening and closing of the sunroof smoother, thereby extending the service life of the components. When foreign objects fall into the inner cavity of the track body 1, the slider 2 drives the roller 6 to roll in the inner cavity of the track body 1 through the fixed frame 4. When the outer wall arc of the roller 6 When the surface contacts a foreign object, the roller 6 will roll on the foreign object. At this time, the roller 6 will drive the fixed frame 4 to move upward in the inner cavity of the active cavity 3 through the roller shaft 5 and squeeze the telescopic spring 7. When the roller 6 passes over the foreign object, under the action of the telescopic spring 7, the telescopic spring 7 returns to its initial state and pushes the fixed frame 4 to move downward, so that the fixed frame 4 can drive the roller 6 to contact the bottom wall of the inner cavity of the track body 1 again through the roller shaft 5, so as to move upward and pass over the foreign object by itself, so that the roller 6 will not be restricted during the movement process, avoiding the previous situation that the track body 1 can only move according to the predetermined path of the guide rail, causing friction when encountering foreign objects, and seriously causing the slider 2 to get stuck and damaged, which can effectively improve the smoothness of opening and closing the sunroof and avoid the loss caused by damage;

[0041] When the roller 6 rolls on the bottom wall of the inner cavity of the track body 1, the roller 6 will drive the roller 5 to rotate. When the roller 5 rotates, it will drive the large gear 14 on it to rotate. The large gear 14 will drive the meshing small gear 15 to rotate. When the small gear 15 rotates, it will drive the fan blade 13 to rotate synchronously through the rotating rod 12. Through the cooperation of the large gear 14 and the small gear 15, the large gear 14 can drive the fan blade 13 to rotate quickly through the small gear 15 during the rotation process. When the fan blade 13 rotates, it will inhale through the suction channel 18 and then blow into the fixed cylinder 11. The gas in the fixed cylinder 11 will be blown into the exhaust channel 16, and then the gas will pass through the exhaust channel 16. The gas flows in the exhaust channel 16 and is blown downward through its bottom end. The gas will be discharged on the diverter block 17. Through the setting of the diverter block 17, the gas will be divided and flow along the inclined surfaces on both sides of the diverter block 17, and finally blown on the bottom wall of the inner cavity of the track body 1 and diffused on both sides. The bottom end of the exhaust channel 16 and the diverter block 17 are set at the front and rear sides between the two groups of rollers 6, so that the pre-rolling position of the roller 6 can be blown in advance, and foreign matter can be cleared out of the pre-rolling path of the roller 6 in advance, which plays a role of pre-clearing, can improve the stability of the slider 2 in the process of driving the roller 6 to move, and reduce the abnormal noise caused by the presence of foreign matter, so as to effectively improve the smoothness of opening and closing of the sunroof;

[0042] When the roller 6 passes over the foreign object and the fixed frame 4 is pushed by the force of the telescopic spring 7 to drive the roller 6 to move downward to the initial position, the roller 6 will hit the bottom wall of the inner cavity of the track body 1. At this time, a short impact sound will be generated. The impact will vibrate the track body 1, which can reduce the adhesion of foreign objects on the bottom wall of the inner cavity of the track body 1, so that the exhaust channel 16 can blow it away. The sound can be used to remind the users in the car. When there is too much sound, it means that the foreign objects are adhered to the bottom wall of the inner cavity of the track body 1 and cannot be blown away by the blowing force of the exhaust channel 16. It plays a role of early warning, so that the user can check the inner cavity of the track body 1 when opening the sunroof, thereby avoiding unnecessary losses.

[0043] like Figure 3 and Figure 4 As shown, each group of rollers 5 is sleeved with a sleeve frame 20 on the outside, each group of sleeve frames 20 is fixedly installed with the inner cavity wall of the adjacent fixed frame 4, and each group of sleeve frames 20 is fixedly installed with an exhaust pipe 21 on the top end, and the other end of each group of exhaust pipes 21 passes through the adjacent fixed frame 4 and is connected with the inner cavity of the active cavity 3.

[0044] An air inlet hole 22 is provided on one side of the inner cavity top wall of each group of active cavities 3 , and the other end of each group of air inlet holes 22 is connected to the exhaust channel 16 .

[0045] When the roller 6 drives the fixed frame 4 to move upward through the roller 5 to squeeze the telescopic spring 7, the fixed frame 4 can squeeze the gas in the inner cavity of the active chamber 3 and discharge it into the exhaust pipe 21. The gas in the exhaust pipe 21 will be discharged into the inner cavity of the sleeve frame 20. The gas in the inner cavity of the sleeve frame 20 will eventually be discharged through the gap between the sleeve and the roller 5. When the telescopic spring 7 pushes the fixed frame 4 to move downward to the initial position, the fixed frame 4 will absorb the gas in the inner cavity of the exhaust channel 16 into the inner cavity of the active chamber 3 through the air inlet hole 22. The inner cavity of the air inlet hole 22 is provided with a one-way valve, and the gas in the active chamber 3 cannot be discharged through the air inlet hole 22. When the fan blade 13 blows air into the exhaust channel 16, the gas in the inner cavity of the exhaust channel 16 will also be discharged into the air inlet hole 2 2, the gas in the air inlet 22 will be discharged into the inner cavity of the active cavity 3, and the gas in the inner cavity of the active cavity 3 will be discharged into the inner cavity of the sleeve frame 20 through the exhaust pipe 21 again, which plays a role of continuous air supply, so that the inner cavity of the sleeve frame 20 can be blown outward through the gap between the sleeve and the roller 5. While the air inlet 22 continues to blow air into the active cavity 3, when the fixed frame 4 moves upward, it will squeeze and increase the pressure in the inner cavity of the active cavity 3, and increase the exhaust speed of the exhaust pipe 21, which can prevent dust and impurities from entering the inner cavity of the sleeve frame 20 and the rotating installation place of the roller 5, can effectively improve the rotation effect of the roller 5, and prevent dust from falling and increasing the friction of the roller 5, thereby effectively improving the service life of the roller 5.

[0046] like Figure 2 and Figure 3 As shown, oblique grooves 23 are provided on both sides of the bottom wall of the inner cavity of the track body 1 , and scraping blocks 24 are provided in contact with the inside of the two groups of oblique grooves 23 , and each group of scraping blocks 24 is fixedly installed with the slider 2 .

[0047] Collection frames 25 are detachably mounted at the bottom of both ends of the track body 1 , and leaks 26 are provided on one side of the two groups of oblique grooves 23 close to the collection frames 25 , and each group of leaks 26 is located directly above the adjacent collection frames 25 .

[0048] When the skylight connecting arm drives the slider 2 to slide in the inner cavity of the track body 1 through the connecting piece 8, the movement of the slider 2 will drive the scraping blocks 24 on both sides thereof to move synchronously. When the bottom end of the exhaust channel 16 blows the foreign matter on the bottom wall of the inner cavity of the track body 1 to both sides, the foreign matter will be blown into the oblique grooves 23 on both sides of the bottom wall of the inner cavity of the track body 1. The scraping block 24 will move in the inner cavity of the oblique groove 23 at the same time, so that the scraping block 24 can scrape the foreign matter in the oblique groove 23 in the direction of its movement. When the foreign matter is pushed to the position of the leakage port 26 by the scraping block 24, the foreign matter can fall through the leakage port 26 and fall into the collection frame 25 for collection, thereby playing the role of automatically collecting the foreign matter, which can effectively improve the use effect.

[0049] like Figure 4 and Figure 5 As shown, cavities 27 are provided on opposite sides of the two groups of scraper blocks 24, push blocks 28 are slidably installed in the inner cavities of the two groups of cavities 27, return springs 29 are fixedly installed between the two groups of push blocks 28 and the inner walls of the adjacent cavities 27, balls 30 are rollingly installed on the opposite sides of the two groups of push blocks 28, and semicircular grooves 9 compatible with the balls 30 are provided on the inner walls of the track body 1.

[0050] The distance between the top of the exhaust passage 16 and the bottom wall of the inner cavity of the fixed tube 11 is greater than the distance between the top wall of the fixed tube 11 and the top wall of the inner cavity of the slot 10 .

[0051] A filter screen 19 is fixedly mounted at the bottom end of each group of air intake channels 18 .

[0052] During the synchronous movement of the scraper block 24 driven by the slider 2, the scraper block 24 will move synchronously with the push block 28 while the push block 28 is moving. When the ball 30 moves out of the semicircular groove 9, the ball 30 will contact the inner cavity side wall of the track body 1. At this time, the ball 30 will push the push block 28 to slide into the cavity 27 and squeeze the return spring 29. When the ball 30 moves to the position of the next set of semicircular grooves 9, under the action of the return spring 29, the return spring 29 restores its initial state and pushes the push block 28 to drive the return spring 29 to enter the inner cavity of the semicircular groove 9, so that the push block 28 can drive the return spring 29 to hit the inner cavity of the semicircular groove 9. By setting multiple sets of semicircular grooves 9 on the inner cavity wall of the track body 1, the scraper block 28 can be driven to hit the inner cavity of the semicircular groove 9. During the movement of 24, the push block 28 will drive the return spring 29 to reciprocate and hit the inner cavity of the semicircular groove 9, and generate vibrations to the track body 1, which can improve the fluidity of foreign matter in the inner cavity of the oblique groove 23, so that the foreign matter is gathered at the lowest point of the inner cavity of the oblique groove 23, which can prevent the foreign matter from being scraped to the bottom wall plane of the inner cavity of the track body 1, and at the same time facilitate the foreign matter to be shaken off from the scraper block 24, and prevent the foreign matter from remaining on the scraping surface of the scraper block 24, which can effectively improve the removal effect of foreign matter, thereby effectively improving the collection efficiency and use effect. Through the setting of the filter net 19, when the fan blade 13 rotates to inhale through the air intake channel 18, the gas entering the air intake channel 18 will be filtered by the filter net 19, thereby ensuring the cleanliness of the gas.

[0053] Working principle: First, the track body 1 is fixedly installed on both sides of the skylight frame, and then the connecting arm used to drive the movement of the skylight is installed together with the top of the connecting piece 8. When the skylight connecting arm pushes the connecting piece 8 to move, the connecting piece 8 will drive the slider 2 to slide in the inner cavity of the track body 1, and the roller 6 rolls on the bottom wall of the inner cavity of the track body 1 to drive the slider 2 to move. When a foreign object falls into the inner cavity of the track body 1, the roller 6 will roll on the foreign object and push the fixed frame 4 to move upward to squeeze the telescopic spring 7. When the roller 6 rolls off the foreign object, it will be reset by the telescopic spring 7, so that it can pass over the foreign object without being blocked. During the rolling process, the roller 6 will drive the fan blade 13 to rotate rapidly through the cooperation of the large gear 14 and the small gear 15, and blow air into the exhaust channel 16. The gas blown out of the exhaust channel 16 It will be divided by the diverter block 17 and blown to both sides, so as to clean the pre-rolling position of the roller 6 in advance. While blowing air through the exhaust channel 16, air will be blown into the active cavity 3 through the air inlet hole 22, so as to realize continuous blowing into the sleeve frame 20 to prevent the roller 5 from being affected by dust and wear during its rotation. The air blowing through the exhaust channel 16 will blow foreign matter into the oblique grooves 23 on both sides of the inner cavity of the track body 1. When the slider 2 moves, it will drive the scraper block 24 to move synchronously and scrape the foreign matter in the oblique groove 23. When the scraper block 24 moves, the ball 30 will reciprocately hit the semicircular groove 9 through the reset spring 29 to vibrate the track body 1, so as to reduce the adhesion of foreign matter. Finally, the foreign matter will be scraped by the scraper block 24 into the collection frame 25 for collection. When the collection frame 25 needs to be cleaned, the collection frame 25 can be directly removed from the track body 1.

[0054] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wear-resistant track for a car sunroof, comprising a track body (1), wherein a slider (2) is slidably mounted in an inner cavity of the track body (1); Features: Also includes: A crossing component, the crossing component comprises an active cavity (3) uniformly arranged at the bottom of the slider (2), the inner cavity of each group of the active cavities (3) is sealed and slidably mounted with a fixed frame (4), the inner cavity of each group of the fixed frames (4) is rotatably mounted with rollers (5) on both side walls of the inner cavity, a roller (6) is fixedly mounted between two adjacent groups of the rollers (5), each group of the rollers (6) is arranged in contact with the inner cavity bottom wall of the track body (1), a telescopic spring (7) is fixedly mounted between the top of each group of the fixed frames (4) and the inner cavity top wall of the adjacent active cavity (3), a connecting piece (8) is fixedly mounted on the top of the slider (2), and the connecting piece (8) is slidably mounted with the track body (1).

2. The wear-resistant track of a car sunroof according to claim 1, characterized in that: A groove (10) is provided on the inner cavity wall of each group of the movable cavities (3); a fixed cylinder (11) is slidably installed in the inner cavity of each group of the grooves (10); each group of the fixed cylinders (11) is fixedly installed with the adjacent fixed frame (4); a rotating rod (12) is provided in each group of the fixed cylinders (11); each group of the rotating rods (12) is rotatably installed with the adjacent fixed frame (4); a large gear (14) is fixedly installed on the roller (5) near the side of the groove (10); a small gear (15) is meshed and installed on the top of each group of the large gear (14); each group of the small gear (15) is fixedly installed with one end of the adjacent rotating rod (12); and a fan blade (13) is fixedly installed on the end of each group of the rotating rods (12) near the fixed cylinder (11).

3. The wear-resistant track of a car sunroof according to claim 2, characterized in that: Two groups of exhaust channels (16) are provided at the bottom of the slider (2), the interiors of the two groups of exhaust channels (16) are connected, and the top ends thereof pass through the slider (2) and are connected with the inner cavities of each group of the fixed cylinders (11), and a diverter block (17) is provided directly below the two groups of exhaust channels (16), and each group of the diverter block (17) is fixedly mounted on the bottom of the slider (2); An air intake channel (18) is provided in the side wall of each group of the fixed frames (4), the top end of each group of the air intake channels (18) is connected to the inner cavity of the adjacent fixed cylinder (11), and the bottom end of each group of the air intake channels (18) is connected to the inner cavity of the track body (1).

4. The wear-resistant track of a car sunroof according to claim 1, characterized in that: The outer side of each group of rollers (5) is sleeved with a sleeve frame (20), and each group of the sleeve frames (20) is fixedly mounted on the inner cavity wall of the adjacent fixed frame (4). An exhaust pipe (21) is fixedly mounted on the top of each group of the sleeve frames (20), and the other end of each group of the exhaust pipe (21) passes through the adjacent fixed frame (4) and is connected to the inner cavity of the movable cavity (3).

5. The wear-resistant track of a car sunroof according to claim 3, characterized in that: An air inlet hole (22) is provided on one side of the inner cavity top wall of each group of the active cavities (3), and the other end of each group of the air inlet holes (22) is connected to the exhaust channel (16).

6. The wear-resistant track of a car sunroof according to claim 1, characterized in that: Oblique grooves (23) are arranged on both sides of the bottom wall of the inner cavity of the track body (1), and scraping blocks (24) are arranged in contact with the inside of two groups of the oblique grooves (23), and each group of the scraping blocks (24) is fixedly installed on the sliding block (2).

7. The wear-resistant track of a car sunroof according to claim 6, characterized in that: Collection frames (25) are detachably mounted at the bottom of both ends of the track body (1), and leaking openings (26) are provided on one side of the two groups of oblique grooves (23) close to the collection frames (25), and each group of the leaking openings (26) is located directly above the adjacent collection frames (25).

8. The wear-resistant track of a car sunroof according to claim 6, characterized in that: The two groups of scraper blocks (24) are provided with cavities (27) on opposite sides thereof, push blocks (28) are slidably mounted in the inner cavities of the two groups of cavities (27), return springs (29) are fixedly mounted between the two groups of push blocks (28) and the inner walls of the adjacent cavities (27), balls (30) are rollingly mounted on the opposite sides of the two groups of push blocks (28), and semicircular grooves (9) matching the balls (30) are provided on the inner walls of the track body (1).

9. The wear-resistant track of a car sunroof according to claim 3, characterized in that: The distance between the top of the exhaust passage (16) and the bottom wall of the inner cavity of the fixed cylinder (11) is greater than the distance between the top wall of the fixed cylinder (11) and the top wall of the inner cavity of the slot (10).

10. The wear-resistant track of a car sunroof according to claim 3, characterized in that: A filter screen (19) is fixedly mounted at the bottom end of each group of the air intake channels (18).

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