Sunshade moving passage, sunroof assembly, and vehicle

Abstract

The present invention relates to a sunshade moving passage, a sunroof assembly, and a vehicle. The sunshade moving passage comprises a hollow tube and an end connector assembly; the hollow tube comprises an outer tube and an inner tube; the end connector assembly comprises a first end connector and a second end connector; one end of the outer tube and one end of the inner tube are connected to the first end connector, and the other end of the inner tube is connected to the second end connector; the end connector assembly is adapted to be mounted on sunroof glass, the end connector assembly comprises upper parts away from the sunroof glass and lower parts close to the sunroof glass, and the surface of each upper part away from the sunroof glass is an upper surface; each upper part is provided with a fitting hole communicated with the hollow tube, and each lower part is provided with an extension portion adapted to be mounted on the sunroof glass. The advantages are: the hollow tube can be located more accurately in an injection molding process and in edging, and abnormal noise in the moving passage is avoided when an inhaul cable moves; the problems of shaking of the hollow tube, abnormal noise, detachment and the like are solved, and the part assembling process is simplified.

Description

Skylight running channel, skylight assembly and vehicle

[0001] This application claims priority to the Chinese patent application filed with the Patent Office of China on August 10, 2023, with application number 202311004473.4 and application name “Skylight operating channel, sunroof assembly and vehicle”, all contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of vehicle technology, and in particular to a skylight operating channel, a skylight assembly and a vehicle. Background Art

[0003] Today's cars generally have sunroofs to provide better lighting. The sunshade is an important part of the sunroof. It can move back and forth to adjust the intensity of sunlight on the eyes, avoid accidents, and has a good cooling effect. It can also protect the dashboard and leather seats.

[0004] Patent Document 1: CN101428546A and Patent Document 2: CN204659413U both disclose methods for configuring cable channels for sunshades. In Patent Document 1, the cable channels are approximately hollow tubular structures, arranged on a plastic crossbeam and composed of upper and lower covers with interlaced openings. In Patent Document 2, the plastic crossbeam is provided with left and right outer cable channels coated with plastic tubes, while the left and right inner cable channels are coated with iron tubes. The iron tubes are notched to enhance their bending properties, replacing existing methods of splicing multiple metal pipes to form cable channels or alternately arranging multiple upper and lower covers to form two cable channels.

[0005] The shortcomings of the above-mentioned prior art are as follows:

[0006] (1) The cable running channel is prone to swinging and shaking, causing abnormal noise;

[0007] (2) The cable running channel has a large number of assembly parts, many processes, and poor positioning accuracy;

[0008] (3) The overall thickness of the sunroof, especially on the driver's side, is large, leaving insufficient headroom for passengers.

[0009] Summary of the Invention

[0010] The purpose of the present invention is to overcome the problems raised in the above background technology and provide a skylight running channel, a skylight assembly and a vehicle.

[0011] In order to achieve the above technical objectives, the technical solution adopted by the present invention is:

[0012] A skylight running channel includes a hollow tube and an end piece, the hollow tube includes an outer pipe and an inner pipe; the end piece includes a first end piece and a second end piece; one end of the outer pipe and the inner pipe is connected to the first end piece, and the other end of the inner pipe is connected to the second end piece; the end piece is used to be installed on the skylight glass, the end piece includes an upper part away from the skylight glass and a lower part close to the skylight glass, the side of the upper part away from the skylight glass is the upper surface; the upper part is provided with a matching hole connected to the hollow tube, and the lower part is provided with an extension part for installation on the skylight glass.

[0013] In one embodiment, the extension portion is provided with a buffer portion for connecting with the sunroof glass.

[0014] In one embodiment, the upper surface of the upper component is provided with a first positioning portion for positioning in a mold.

[0015] Preferably, the first positioning portion is a concave platform or a convex platform.

[0016] In one embodiment, the extension portion is further provided with a second positioning portion for positioning in a mold.

[0017] Preferably, the second positioning portion is a positioning hole.

[0018] Furthermore, the buffer portion is made of a thermoplastic elastomer material.

[0019] In one embodiment, a mounting hole is formed on the upper surface of the upper component, and a nut is provided in the mounting hole.

[0020] Preferably, the end piece, the hollow tube and the nut are integrally injection molded.

[0021] Preferably, the interference amount between the buffer portion and the sunroof glass is A, and 1mm≤A≤2mm.

[0022] At the same time, the present invention also provides a sunroof assembly, comprising:

[0023] Skylight glass;

[0024] a motor mounting portion, mounted on the sunroof glass;

[0025] Two of the above-mentioned skylight running channels are connected and fixed to the skylight glass by edge injection molding; two of the above-mentioned skylight running channels are respectively provided at both ends of the motor mounting portion; and

[0026] Two guide rails, one end of each guide rail is aligned with the two second end heads respectively, and the two guide rails are arranged in parallel; the guide rails and the canopy running channel form a pipeline for cable transmission.

[0027] In one embodiment, a plurality of process clamping parts are provided on the hollow tube, and the process clamping parts are sequentially spaced apart along the arrangement path of the hollow tube, and the process clamping parts are exposed from the edging.

[0028] Furthermore, the hollow tube includes a first straight pipe section connected to the motor mounting portion, a second straight pipe section arranged along the guide direction of the guide rail, and a curved section for connecting the first straight pipe section and the second straight pipe section, at least one process clamping portion is arranged on the first straight pipe section, and at least one process clamping portion is arranged on the curved section.

[0029] Preferably, the length of the process clamping portion is B, and 10 mm ≤ B ≤ 20 mm.

[0030] In one embodiment, the concentricity error between the matching holes of the two first end heads connected to the outer pipe is ±0.3 mm; the concentricity error between the matching holes of the two first end heads connected to the inner pipe is ±0.3 mm.

[0031] In one embodiment, the concentricity error between the matching holes of the two second end heads and the adjacent guide rails is ±0.3 mm.

[0032] Furthermore, the hollow tube is wrapped in the edging, and the lower component is wrapped in the edging.

[0033] Furthermore, the other end of the outer pipe exposes the edging.

[0034] At the same time, the present invention also provides a vehicle, comprising a motor and the sunroof assembly as described above; the motor is mounted on the motor mounting portion.

[0035] In one embodiment, the motor is locked to the motor mounting portion by means of bolts cooperating with nuts of the end piece.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] The structural design of the hollow tube and end caps allows for more precise positioning of the tube during the injection molding process and hemming, ensuring concentricity between the two first end caps and between the second end cap and the adjacent guide rail, thus preventing unusual noise within the cable's operating channel. Furthermore, integrating the hollow tube into the glass hemming effectively secures the tube by eliminating issues such as vibration, noise, and falling. Furthermore, it eliminates the existing plastic crossbeam, simplifies component assembly, reduces roof height, optimizes costs, and enhances market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] FIG1 is a schematic structural diagram of a canopy operating channel according to an embodiment of the present invention;

[0039] FIG2 is a partial enlarged view of point C in FIG1 ;

[0040] FIG3 is a partial enlarged view of point D in FIG1 ;

[0041] FIG4 is a partial enlarged view of the connection between the first end and the skylight glass in one embodiment of the present invention;

[0042] FIG5 is a schematic structural diagram of a sunroof assembly according to an embodiment of the present invention;

[0043] FIG6 is an enlarged cross-sectional view of EE in FIG5;

[0044] FIG7 is an enlarged cross-sectional view of line FF in FIG5 .

[0045] Explanation of reference numbers: 10. Skylight running channel; 11. Hollow tube; 111. Outer pipe; 112. Inner pipe; 113. First straight pipe section; 114. Second straight pipe section; 115. Bent section; 12. End piece; 121. First end piece; 122. Second end piece; 123. Upper component; 1230. Upper surface; 1231. First positioning portion; 1232. Mounting hole; 1233. Nut; 124. Lower component; 125. Matching hole; 126. Extension portion; 1261. Buffer portion; 1262. Second positioning portion; 20. Skylight assembly; 21. Skylight glass; 22. Motor mounting portion; 23. Guide rail; 24. Edging; 25. Cable; 26. Process clamping portion; A. The amount of interference between the buffer portion and the skylight glass; B. The length of the process clamping portion. DETAILED DESCRIPTION

[0046] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0047] In some embodiments of the present application, as shown in Figures 1-4, a skylight running channel 10 includes a hollow tube 11 and an end piece 12, wherein the hollow tube 11 includes an outer pipe 111 and an inner pipe 112; the end piece 12 includes a first end piece 121 and a second end piece 122; one end of the outer pipe 111 and the inner pipe 112 is connected to the first end piece 121, and the other end of the inner pipe 112 is connected to the second end piece 122; the end piece 12 is used to be installed on the skylight glass 21, and the end piece 12 includes an upper part 123 away from the skylight glass 21 and a lower part 124 close to the skylight glass 21, and the side of the upper part 123 away from the skylight glass 21 is an upper surface 1230; the upper part 123 is provided with a mating hole 125 connected to the hollow tube 11, and the lower part 124 is provided with an extension part 126 for installation on the skylight glass 21.

[0048] The inner pipe 112 of the hollow tube 11 is used for the movement of the cable 25 to drive the sunshade to open or close, and the outer pipe 111 of the hollow tube 11 is used for the recovery of the cable 25; the end piece 12 can play a positioning role in the mold; the hollow tube 11 is arranged in the matching hole 125 of the upper part 123, and the extension part 126 of the lower part 124 is installed on the skylight glass 21. There is a height difference between the upper part 123 and the lower part 124, which can prevent the hollow tube 11 from directly contacting the skylight glass 21 and causing deformation and damage to the hollow tube 11.

[0049] In one embodiment, as shown in Figures 1-4, the extension portion 126 is provided with a buffer portion 1261 for connecting with the skylight glass 21. The buffer portion 1261 of the lower component 124 primarily serves to cushion the hollow tube 11 when the upper mold is pressed downward, preventing deformation or damage to the hollow tube 11 caused by direct contact between the hollow tube 11 and the skylight glass 21.

[0050] Preferably, as shown in FIG. 4 , the interference amount between the buffer portion 1261 and the sunroof glass 21 is A, and 1 mm ≤ A ≤ 2 mm.

[0051] It should be noted that the buffer portion 1261 in FIG. 4 has not yet been deformed. After the buffer portion 1261 is deformed, the buffer portion 1261 will not penetrate into the sunroof glass 21 .

[0052] Furthermore, the material of the buffer portion 1261 is a thermoplastic elastomer. Thermoplastic elastomer (TPE) has excellent properties such as high elasticity, aging resistance, and oil resistance, while also being easy to process and versatile. This prevents the buffer portion 1261 of the lower component 124 from plastic deformation or fracture when subjected to stress.

[0053] In one embodiment, as shown in FIG. 2-3 , the upper surface 1230 of the upper component 123 is provided with a first positioning portion 1231 for positioning in a mold.

[0054] A first matching portion that matches the first positioning portion 1231 is provided in the mold. When the end piece 12 is in contact with the mold surface, the first positioning portion 1231 matches the first matching portion to achieve precise positioning of the hollow tube 11 in the mold.

[0055] Preferably, the first positioning portion 1231 is a concave or convex. When the first positioning portion 1231 is a concave, the first matching portion is a convex adapted to the concave; when the first positioning portion 1231 is a convex, the first matching portion is a concave adapted to the convex.

[0056] In one embodiment, as shown in FIG. 2-3 , the extension portion 126 is further provided with a second positioning portion 1262 for positioning in a mold.

[0057] A second matching portion that matches the second positioning portion 1262 is provided in the mold. When the end piece 12 is in contact with the mold surface, the second positioning portion 1262 matches the second matching portion to achieve precise positioning of the hollow tube 11 in the mold.

[0058] Preferably, the second positioning portion 1262 is a positioning hole. In this case, a positioning pin is provided in the mold to cooperate with the positioning hole. The end piece 12 can be precisely positioned in the mold by cooperating with the positioning hole and the positioning pin. It should be noted that the number of the positioning holes can be one or more, and can be set according to actual positioning requirements.

[0059] In one embodiment, a mounting hole 1232 is formed on the upper surface 1230 of the upper component 123 , and a nut 1233 is disposed in the mounting hole 1232 .

[0060] The mounting hole 1232 can be used to cooperate with the positioning pin in the mold to improve the positioning accuracy of the hollow tube 11 in the mold; the nut 1233 can be used to cooperate with the bolt to lock the motor to the motor mounting portion 22.

[0061] Preferably, the end piece 12, the hollow tube 11 and the nut 1233 are integrally injection-molded, thereby further simplifying the manufacturing process and the assembly process.

[0062] Furthermore, in some embodiments of the present application, as shown in Figures 5-7, a sunroof assembly 20 is provided, including:

[0063] Skylight glass 21;

[0064] The motor mounting portion 22 is mounted on the skylight glass 21;

[0065] The two canopy operation channels 10 as described above are connected by injection molding through the edging 24 and fixed on the skylight glass 21; two canopy operation channels 10 are respectively provided at both ends of the motor mounting portion 22; and

[0066] Two guide rails 23 , one end of each of the two guide rails 23 is aligned with the two second end heads 122 , and the two guide rails 23 are arranged in parallel; the guide rails 23 and the canopy running channel 10 form a pipeline for transmission of the cable 25 .

[0067] The structural design of the hollow tube 11 and the end piece 12 in the canopy running channel 10 allows for more precise positioning of the hollow tube 11 during the injection molding process and during the edging 24. Furthermore, the integration of the hollow tube 11 into the glass edging 24 not only solves problems such as vibration, noise, and falling of the hollow tube 11, effectively securing the hollow tube 11, but also eliminates the plastic crossbeam used in the prior art, simplifying the assembly process, reducing the roof height, optimizing costs, and improving market competitiveness.

[0068] In this embodiment, the material of the sunroof glass 21 is not limited, and is typically inorganic glass, organic glass, or a composite material; the material of the guide rail 23 is not limited, and is typically plastic or metal; the material of the edging 24 is not limited, and is typically polyvinyl chloride (PVC), thermoplastic elastomer (TPE), ethylene propylene diene monomer (EPDM), or polyurethane (PU), etc.

[0069] In one embodiment, as shown in FIG. 5 , a plurality of process clamping portions 26 are provided on the hollow tube 11 . The process clamping portions 26 are sequentially spaced along the arrangement path of the hollow tube 11 , and the process clamping portions 26 expose the edging 24 .

[0070] During the injection molding of the edging 24, the process clamping portion 26 can be clamped and cooperated with a clamping jaw (not shown) to adjust the direction of the hollow tube 11. Since the process clamping portion 26 exposes the edging 24, the clamping jaw (not shown) can be removed from the hollow tube 11 after the edging 24 is injection molded.

[0071] Furthermore, the hollow tube 11 includes a first straight pipe section 113 connected to the motor mounting portion 22, a second straight pipe section 114 arranged along the guide direction of the guide rail 23, and a curved section 115 for connecting the first straight pipe section 113 and the second straight pipe section 114, at least one process clamping portion 26 is arranged on the first straight pipe section 113, and at least one process clamping portion 26 is arranged on the curved section 115.

[0072] At least one of the process clamping parts 26 is arranged on the first straight pipe section 113 to ensure the stability of the first straight pipe section 113, improve the axial positioning accuracy between the matching holes 125 of the two first end heads 121 connected to the outer pipe 111, and improve the axial positioning accuracy between the matching holes 125 of the two first end heads 121 connected to the inner pipe 112; at least one of the process clamping parts 26 is arranged on the curved section 115, so that the hollow tube 11 can form a stable bending arc.

[0073] It should be noted that the process clamping portion 26 can also be set in the second straight pipe section 114. The process clamping portion 26 set in the second straight pipe section 114 can be used to ensure the stability of the second straight pipe section 114 and improve the axial positioning accuracy between the two second end heads 122 and the adjacent guide rails 23.

[0074] Preferably, the length of the process clamping portion 26 is B, and 10 mm ≤ B ≤ 20 mm, for example, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm or 20 mm.

[0075] In one embodiment, the concentricity error between the matching holes 125 of the two first end heads 121 connected to the outer pipe 111 is ±0.3 mm; the concentricity error between the matching holes 125 of the two first end heads 121 connected to the inner pipe 112 is ±0.3 mm, so as to prevent abnormal noise when the cable 25 slides at the transition position of the two first end heads 121.

[0076] In one embodiment, the concentricity error between the matching holes 125 of the two second end heads 122 and the adjacent guide rails 23 is ±0.3 mm to prevent abnormal noise from occurring when the cable 25 slides at the transition position between the second end heads 122 and the adjacent guide rails 23.

[0077] Furthermore, as shown in Figures 6-7, the hollow tube 11 is enclosed in the edging 24, and the lower component 124 is enclosed in the edging 24. The hollow tube 11 and the lower component 124 of the end piece 12 are connected to the sunroof glass 21 via the edging 24, eliminating the large plastic crossbeam in the prior art, simplifying the assembly process of components, reducing the height of the roof, and optimizing costs.

[0078] Furthermore, as shown in FIG. 5 , the other end of the outer pipe 111 exposes the edging 24 .

[0079] In some other embodiments of the present application, a vehicle is provided, including a motor (not shown in the figure) and the sunroof assembly 20 as described above; the motor (not shown in the figure) is installed on the motor mounting portion 22.

[0080] The structural design of the hollow tube 11 and end piece 12 in the aforementioned vehicle allows for more precise positioning of the hollow tube 11 during the injection molding process and during the edging 24. This ensures the required concentricity between the two first end pieces 121 and between the second end piece 122 and the adjacent guide rail 23, thus preventing any noise within the operating channel caused by the movement of the cable 25. Furthermore, the integration of the hollow tube 11 into the glass edging 24 not only eliminates problems such as vibration, noise, and falling of the hollow tube 11, effectively securing it, but also eliminates the plastic crossbeam used in prior art, simplifying the component assembly process, reducing the roof height, optimizing costs, and improving market competitiveness.

[0081] In one embodiment, the motor (not shown) is locked to the motor mounting portion 22 by means of bolts (not shown) that cooperate with the nuts 1233 of the end piece 12 .

[0082] It should be noted that the edging 24 may also be provided with a nut located between the nuts 1233 of the two end pieces 12. The nut is combined with the nuts 1233 of the two end pieces 12 and is used together with the bolts (not shown in the figure) to lock the motor (not shown in the figure) to the motor mounting portion 22.

[0083] It should be noted that in the present invention, if the skylight glass 21 is inorganic glass, examples thereof include soda-lime glass (also known as soda-lime silicate glass), aluminosilicate glass, borate glass, borosilicate glass, lithium aluminosilicate glass, alkali-free glass, and quartz glass. Soda-lime glass is particularly preferred among these. To improve strength, the inorganic glass may also be tempered glass, which may be either chemically tempered glass or physically tempered glass.

[0084] If the skylight glass 21 is organic glass (resin), examples thereof include polycarbonate resins, polystyrene resins, aromatic polyester resins, acrylic resins, polyester resins, polyarylate resins, polycondensates of halogenated bisphenol A and ethylene glycol, acrylic urethane resins, and acrylic resins containing halogenated aromatic groups. Among these, polycarbonate resins such as aromatic polycarbonate resins and acrylic resins such as polymethyl methacrylate acrylic resins are preferred, polycarbonate resins are more preferred, and bisphenol A polycarbonate resins are particularly preferred. Furthermore, two or more of the above resins may be used in combination.

[0085] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0086] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

[0087] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0088] In the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections (e.g., connections using bolts or screws), or integration (e.g., riveting or welding); mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise expressly specified or limited. Those skilled in the art can understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0089] In addition, unless otherwise stated, the terms used in any technical solution disclosed in the present invention to express positional relationships or shapes include states or shapes that are approximate, similar, or close thereto.

[0090] Any component provided by the present invention may be assembled from multiple separate components, or may be a separate component manufactured by an integral molding process.

[0091] In the present invention, unless otherwise expressly specified or limited, a first feature "above" or "below" a second feature may be such that the first and second features are in direct contact, or such that the first and second features are in indirect contact through an intermediate medium. The terms "vertical," "horizontal," "above," "below," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

Claims

1. A canopy running channel, characterized in that: It includes a hollow tube and an end piece, the hollow tube includes an outer pipe and an inner pipe; the end piece includes a first end piece and a second end piece; one end of the outer pipe and the inner pipe is connected to the first end piece, and the other end of the inner pipe is connected to the second end piece; the end piece is used to be installed on the skylight glass, the end piece includes an upper part away from the skylight glass and a lower part close to the skylight glass, the side of the upper part away from the skylight glass is an upper surface; the upper part is provided with a matching hole connected to the hollow tube, and the lower part is provided with an extension part for installation on the skylight glass.

2. The canopy running channel according to claim 1, characterized in that: The extension portion is provided with a buffer portion for connecting with the sunroof glass.

3. The canopy running channel according to claim 1, characterized in that: The upper surface of the upper component is provided with a first positioning portion for positioning in a mold.

4. The canopy running channel according to claim 3 is characterized in that: The first positioning portion is a concave platform or a convex platform.

5. The canopy running channel according to claim 1, characterized in that: The extension portion is further provided with a second positioning portion for positioning in the mold.

6. The canopy running channel according to claim 5, characterized in that: The second positioning portion is a positioning hole.

7. The canopy running channel according to claim 2, characterized in that: The buffer part is made of thermoplastic elastomer material.

8. The canopy running channel according to claim 1, characterized in that: The upper surface of the upper component is provided with a mounting hole, and a nut is arranged in the mounting hole.

9. The canopy running channel according to claim 8, characterized in that: The end piece, the hollow tube and the nut are integrally injection-molded.

10. The canopy running channel according to claim 2, characterized in that: The interference amount between the buffer portion and the sunroof glass is A, and 1mm≤A≤2mm.

11. A sunroof assembly, characterized in that: include: Skylight glass; A motor mounting portion, mounted on the skylight glass; Two canopy running channels according to any one of claims 1 to 10 are connected and fixed to the skylight glass by edge injection molding; two canopy running channels are respectively provided at both ends of the motor mounting portion; and Two guide rails, one end of the two guide rails is aligned with the two second end heads respectively, and the two guide rails are arranged in parallel; the guide rails and the canopy running channel form a pipeline for cable transmission.

12. The sunroof assembly according to claim 11, characterized in that: The hollow tube is provided with a plurality of process clamping parts, which are arranged in sequence and at intervals along the arrangement path of the hollow tube, and the process clamping parts expose the hemming.

13. The sunroof assembly according to claim 12, characterized in that: The hollow tube includes a first straight pipe section connected to the motor mounting portion, a second straight pipe section arranged along the guiding direction of the guide rail, and a curved section for connecting the first straight pipe section and the second straight pipe section, at least one process clamping portion is arranged on the first straight pipe section, and at least one process clamping portion is arranged on the curved section.

14. The sunroof assembly according to claim 12, characterized in that: The length of the process clamping portion is B, and 10mm≤B≤20mm.

15. The sunroof assembly according to claim 11, characterized in that: The concentricity error between the matching holes of the two first end heads connected to the outer pipe is ±0.3 mm; the concentricity error between the matching holes of the two first end heads connected to the inner pipe is ±0.3 mm.

16. The sunroof assembly according to claim 11, characterized in that: The concentricity error between the matching holes of the two second end heads and the adjacent guide rails is ±0.3 mm.

17. The sunroof assembly according to claim 11, characterized in that: The hollow tube is wrapped in the edge, and the lower component is wrapped in the edge.

18. The sunroof assembly according to claim 11, characterized in that: The other end of the outer pipe is exposed from the edging.

19. A vehicle, characterized in that: It comprises a motor and a sunroof assembly as described in any one of claims 11 to 18; the motor is mounted on the motor mounting portion.

20. A vehicle according to claim 19, characterized in that: The motor is locked to the motor mounting portion through the cooperation of bolts and nuts of the end piece.

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