Transmission mechanism and skylight assembly

Abstract

The utility model relates to a transmission mechanism and a skylight assembly. The transmission mechanism comprises an opening belt; a sliding assembly; two clamping grooves; a connecting part and a limiting piece. The device has the advantages that the two clamping grooves are formed, the two ends of the opening belt are tightly attached to the two clamping grooves respectively, the opening belt can be pre-positioned, the positioning accuracy of the opening belt and the fixing part is guaranteed, the dislocation deviation risk is avoided, and the situation that the opening belt is disengaged due to displacement during installation is avoided; the positioning part is arranged on the fixing part, and the matching part is arranged on the limiting part, so that a tool is not needed to assist in positioning, the mounting procedure is simplified, and the dismounting convenience of the fixing part and the limiting part is improved; due to the fact that the fixed part and the sliding part are provided with different channels in the guide rail, and the fixed part is in clearance fit with the connecting channel of the guide rail, friction force borne by the fixed part in the moving process is reduced, the situation that connection between the open belt and the fixed part fails is avoided, and the operation stability of the open belt is further improved.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a transmission mechanism and a sunroof assembly. Background Art

[0002] At present, the existing synchronous belt and slider are connected by bolts after being compressed by the upper and lower buckles. During the assembly process, the lower buckle, synchronous belt and upper buckle need to be placed and aligned in sequence. At this time, the synchronous belt needs to be fixed in the buckle slot with the help of tooling, and then the upper and lower buckles are completely aligned with the help of tooling, and the bolt holes on the upper and lower buckles are aligned. Then the upper and lower buckles are combined, and the bolts are driven in to complete the fixation. The above installation method has the following main disadvantages:

[0003] (1) When the synchronous belt is installed in the slot and the upper and lower buckles are not fixed, there is a risk of the synchronous belt falling off;

[0004] (2) It is difficult to adjust the tension length of the synchronous belt, and the bolts need to be disassembled and installed, and the positioning needs to be assisted by tooling, which is time-consuming and laborious;

[0005] (3) During the assembly process, it is difficult to ensure the accurate positioning of the timing belt and the buckle, and there is a risk of misalignment. Utility Model Content

[0006] The purpose of the present application is to provide a transmission mechanism and a sunroof assembly in response to the problems raised in the above background technology.

[0007] In order to achieve the above technical objectives, the technical solution adopted in this application is:

[0008] A transmission mechanism, comprising:

[0009] The open belt comprises an inner surface and an outer surface disposed opposite to each other in a thickness direction;

[0010] A sliding assembly, comprising a sliding portion and a fixing portion which are arranged in a back-to-back manner and spaced apart from each other along the width direction of the opening belt;

[0011] Two clamping grooves are arranged at intervals on the fixing portion along the length direction of the open belt; the length direction of the open belt is the same as the transmission direction of the open belt; the two ends of the open belt are respectively tightly fitted in the two clamping grooves;

[0012] A connecting portion, disposed between the two clamping grooves, and used to connect the two clamping grooves;

[0013] A limiting member is spaced apart from the sliding portion, and the limiting member is locked with the connecting portion so that the opening belt is fixed to the fixing portion.

[0014] In one embodiment, each of the clamping grooves includes a first groove wall and a second groove wall which are arranged opposite to each other along the thickness direction of the opening band; the inner surface of the opening band is tightly fitted with the first groove wall; and the outer surface of the opening band is tightly fitted with the second groove wall.

[0015] In one embodiment, the fixing portion includes a positioning portion for positioning the limiting member, the limiting member is provided with a matching portion for matching with the positioning portion, and the matching portion is fixed to the positioning portion.

[0016] Optionally, the connecting portion is concave or convex along the thickness direction of the opening band to form the positioning portion.

[0017] Furthermore, the transmission mechanism also includes a locking member, and in the thickness direction of the open belt, the matching portion is provided with a first fixing hole, and the connecting portion is provided with a second fixing hole aligned with the first fixing hole, and the locking member is used to fix the first fixing hole and the second fixing hole.

[0018] Furthermore, the transmission mechanism also includes a locking member, and in the width direction of the open belt, the matching portion is provided with a third fixing hole, and the connecting portion is provided with a fourth fixing hole aligned with the third fixing hole, and the locking member is used to fix the third fixing hole and the fourth fixing hole.

[0019] In one embodiment, the inner surface of the opening belt is provided with at least two convex teeth, the first groove wall of the clamping groove is provided with at least two grooves for matching with the convex teeth, and the convex teeth are meshed with the grooves.

[0020] In one of the embodiments, the transmission mechanism also includes a guide rail and two pulleys respectively arranged at both ends of the guide rail, the open belt is arranged between the two pulleys, and the open belt is respectively matched with the two pulleys for transmission; the guide rail includes a sliding channel for accommodating the sliding part, the sliding part is arranged in the sliding channel, and the sliding part is slidably matched with the sliding channel.

[0021] Furthermore, the guide rail further includes a connecting channel arranged side by side with the sliding channel, the fixing portion is arranged in the connecting channel, and the fixing portion and the connecting channel are clearance-matched.

[0022] On the basis of the above-mentioned transmission mechanism, the present application also provides a sunroof assembly, including glass and two transmission mechanisms as described above, wherein the two transmission mechanisms are symmetrically arranged on both sides of the glass.

[0023] Compared with the prior art, this application has the following beneficial effects:

[0024] (1) By providing two clamping grooves on the fixed part of the sliding assembly, the two ends of the open belt are respectively tightly fitted in the two clamping grooves, so that the open belt can be pre-positioned, thereby ensuring the positioning accuracy of the open belt and the fixed part and avoiding the risk of misalignment and deviation; and avoiding the displacement phenomenon of the open belt during installation, which may cause it to fall off the fixed part;

[0025] (2) By providing a positioning portion on the fixed portion of the sliding assembly and providing a corresponding matching portion on the limiting member, there is no need for tooling to assist in positioning, thereby simplifying the installation process of the fixed portion and the limiting member and improving the convenience of disassembly and assembly of the fixed portion and the limiting member;

[0026] (3) Since the fixed part and the sliding part have different channels in the guide rail, and the connection channels between the fixed part and the guide rail are clearance-matched, the friction force on the fixed part during movement is reduced, thereby avoiding the failure of the connection between the opening belt and the fixed part, and further improving the operation stability of the opening belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of a partial structure of a transmission mechanism in one embodiment of the present application;

[0028] Figure 2 for Figure 1 Exploded diagram of

[0029] Figure 3 This is an enlarged schematic diagram of a sliding component in one embodiment of the present application;

[0030] Figure 4 This is an enlarged schematic diagram of a position limiting member in an embodiment of the present application;

[0031] Figure 5 It is an exploded view of a local structure of a transmission mechanism in another embodiment of the present application;

[0032] Figure 6 This is a schematic diagram of the structure of a transmission mechanism in one embodiment of the present application;

[0033] Figure 7 for Figure 6 AA enlarged cross-sectional view;

[0034] Figure 8 for Figure 6 BB enlarged cross-section diagram;

[0035] Fig. 9 for Figure 6 Enlarged cross-sectional view of CC.

[0036] Description of labels:

[0037] 10. Transmission mechanism;

[0038] 11. open belt; 111. inner surface; 1111. convex teeth; 112. outer surface; 113. end;

[0039] 12. Sliding assembly; 121. Sliding portion; 122. Fixing portion; 1221. Positioning portion;

[0040] 13, clamping groove; 131, first groove wall; 1311, groove; 132, second groove wall;

[0041] 14. Connecting portion; 141. Second fixing hole; 142. Fourth fixing hole;

[0042] 15. Limiting member; 151. Matching portion; 152. First fixing hole; 153. Third fixing hole;

[0043] 16. Locking parts;

[0044] 17. Guide rail; 171. Sliding channel; 172. Connecting channel;

[0045] 18. Pulley. DETAILED DESCRIPTION

[0046] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0047] like Figure 1-2 As shown, in some embodiments of the present application, a transmission mechanism 10 is provided, comprising:

[0048] The opening belt 11 comprises an inner surface 111 and an outer surface 112 which are arranged opposite to each other in the thickness direction;

[0049] The sliding assembly 12 comprises a sliding portion 121 and a fixing portion 122 which are arranged in a back-to-back manner and spaced apart from each other along the width direction of the opening belt 11;

[0050] Two clamping grooves 13 are arranged at intervals on the fixing portion 122 along the length direction of the open belt 11; the length direction of the open belt 11 is the same as the transmission direction of the open belt 11; the two ends 113 of the open belt 11 are respectively tightly fitted in the two clamping grooves 13;

[0051] A connecting portion 14 is disposed between the two clamping grooves 13, and the connecting portion 14 is used to connect the two clamping grooves 13;

[0052] The limiting member 15 is spaced apart from the sliding portion 121 , and the limiting member 15 is locked with the connecting portion 14 so that the opening belt 11 is fixed to the fixing portion 122 .

[0053] It should be noted that, in this embodiment, by providing two clamping grooves 13 on the fixed portion 122 of the sliding assembly 12, the two end portions 113 of the opening band 11 are respectively tightly fitted in the two clamping grooves 13, so that the opening band 11 can be pre-positioned, thereby ensuring the positioning accuracy of the opening band 11 and the fixed portion 122 and avoiding the risk of misalignment and deviation; and avoiding the displacement of the opening band 11 during installation and causing it to fall off the fixed portion 122.

[0054] It should be noted that, in this embodiment, the open belt 11 is a straight belt with two ends not connected together.

[0055] It should be noted that, in this embodiment, when loading on a vehicle, the length direction of the opening band 11 may sometimes be the length direction of the vehicle, the width direction of the opening band 11 may sometimes be the width direction of the vehicle, and the thickness direction of the opening band 11 may sometimes be the height direction of the vehicle.

[0056] It should be noted that, in the present embodiment, the locking connection between the limiting member 15 and the connecting portion 14 may be directly locked with the limiting member 15 or indirectly locked with the connecting portion 14 through other components, which is not limited here.

[0057] In one embodiment, Figure 2 , 3 As shown in Figure 5, each of the clamping grooves 13 includes a first groove wall 131 and a second groove wall 132 which are arranged opposite to each other along the thickness direction of the opening band 11; the inner surface 111 of the opening band 11 is tightly fitted with the first groove wall 131; and the outer surface 112 of the opening band 11 is tightly fitted with the second groove wall 132.

[0058] It should be noted that, in the present embodiment, since the inner surface 111 of the opening band 11 is tightly fitted with the first groove wall 131, and the outer surface 112 of the opening band 11 is tightly fitted with the second groove wall 132, the two end portions 113 of the opening band 11 are tightly fitted in the two clamping grooves 13 respectively, so that the opening band 11 can be pre-positioned, thereby ensuring the positioning accuracy of the opening band 11 and the fixing portion 122 and avoiding the risk of misalignment and deviation; and, avoiding the displacement of the opening band 11 during installation and causing it to fall off the fixing portion 122.

[0059] In this embodiment, further, Figure 2 , 5As shown, the inner surface 111 of the opening belt 11 is provided with at least two convex teeth 1111 , and the first groove wall 131 of the clamping groove 13 is provided with at least two grooves 1311 for matching with the convex teeth 1111 , and the convex teeth 1111 are meshed with the grooves 1311 .

[0060] It should be noted that, in this embodiment, the engagement of the convex tooth 1111 with the groove 1311 increases the contact area between the inner surface 111 of the opening band 11 and the first groove wall 131 of the clamping groove 13, further improving the close fit between the two end portions 113 of the opening band 11 and the corresponding clamping groove 13, thereby improving the pre-positioning effect of the opening band 11 and the fixing portion 122.

[0061] In one embodiment, Figure 2-5 As shown, the fixing portion 122 includes a positioning portion 1221 for positioning the limiting member 15 , and the limiting member 15 is provided with a matching portion 151 for matching with the positioning portion 1221 , and the matching portion 151 is fixed to the positioning portion 1221 .

[0062] It should be noted that, in the present embodiment, by providing the positioning portion 1221 on the fixed portion 122 of the sliding assembly 12 and providing the corresponding matching portion 151 on the limiting member 15, there is no need for tooling to assist in positioning, thereby simplifying the installation process of the fixed portion 122 and the limiting member 15 and improving the convenience of disassembly and assembly of the fixed portion 122 and the limiting member 15.

[0063] In this embodiment, optionally, the connecting portion 14 is concave in the thickness direction of the opening strip 11 (eg Figure 3 as shown), to form the positioning portion 1221; or, the connecting portion 14 protrudes outward along the thickness direction of the opening belt 11 (not shown in the figure), to form the positioning portion 1221.

[0064] In this embodiment, further, Figure 1-4 As shown, the transmission mechanism 10 also includes a locking member 16. In the thickness direction of the opening band 11, the matching portion 151 is provided with a first fixing hole 152, and the connecting portion 14 is provided with a second fixing hole 141 aligned with the first fixing hole 152. The locking member 16 is used to fix the first fixing hole 152 and the second fixing hole 141.

[0065] It should be noted that, in this embodiment, the locking member 16 for fixing the first fixing hole 152 and the second fixing hole 141 is provided, and the locking member 16 passes through the first fixing hole 152 and the second fixing hole 141 in sequence, thereby achieving locking of the limiting member 15 and the connecting portion 14.

[0066] It should be noted that, in this embodiment, the fixing hole matched with the locking member 16 may also be provided at other positions that enable the limiting member 15 to be locked with the connecting portion 14, which is not limited here.

[0067] Alternatively, in one embodiment, Figure 5 As shown, the transmission mechanism 10 also includes a locking member 16. In the width direction of the opening band 11, the matching portion 151 is provided with a third fixing hole 153, and the connecting portion 14 is provided with a fourth fixing hole 142 aligned with the third fixing hole 153. The locking member 16 is used to fix the third fixing hole 153 and the fourth fixing hole 142.

[0068] It should be noted that, in this embodiment, the fixing hole matched with the locking member 16 may also be provided at other positions that enable the limiting member 15 to be locked with the connecting portion 14, which is not limited here.

[0069] In one embodiment, Figure 6-9 As shown, the transmission mechanism 10 also includes a guide rail 17 and two pulleys 18 respectively arranged at both ends of the guide rail 17, the open belt 11 is arranged between the two pulleys 18, and the open belt 11 is respectively in transmission cooperation with the two pulleys 18; the guide rail 17 includes a sliding channel 171 for accommodating the sliding part 121, the sliding part 121 is arranged in the sliding channel 171, and the sliding part 121 is in sliding cooperation with the sliding channel 171.

[0070] It should be noted that, in this embodiment, the material of the guide rail 17 is not limited, and is usually made of plastic or metal.

[0071] It should be noted that, in this embodiment, the fixing portion 122 of the sliding assembly 12 may be disposed outside the guide rail 17 or inside the guide rail 17 , which is not limited herein.

[0072] It should be noted that, in the present embodiment, the movement of the sliding portion 121 drives the movement of the fixing portion 122 , thereby driving the opening belt 11 connected to the fixing portion 122 to move.

[0073] In this embodiment, further, Figure 8-9 As shown, the guide rail 17 further includes a connecting channel 172 arranged side by side with the sliding channel 171 , the fixing portion 122 is arranged in the connecting channel 172 , and the fixing portion 122 and the connecting channel 172 are clearance-matched.

[0074] It should be noted that, in this embodiment, since the fixed portion 122 and the sliding portion 121 have different channels in the guide rail 17, and the fixed portion 122 and the connecting channel 172 of the guide rail 17 are clearance-matched, the friction force on the fixed portion 122 during the movement is reduced, thereby avoiding the failure of the connection between the opening belt 11 and the fixed portion 122, and further improving the operating stability of the opening belt 11.

[0075] It should be noted that, in one embodiment of the present application, the installation process of the opening belt 11 and the sliding assembly 12 is as follows:

[0076] Before the sliding component 12 enters the guide rail 17, after one end 113 of the opening belt 11 is installed into a clamping groove 13 of the fixing part 122 from the width direction of the opening belt 11, the opening belt 11 first passes around a pulley 18 arranged away from the sliding component 12 and then passes around another pulley 18 close to the sliding component 12; then, the other end 113 of the opening belt 11 is installed into another clamping groove 13 from the width direction of the opening belt 11; thereafter, the limiting member 15 is positioned with the fixing part 122 along the width direction of the opening belt 11, at this time, the matching portion 151 of the limiting member 15 is matched with the positioning portion 1221 of the fixing part 122 to align the first fixing hole 152 and the second fixing hole 141; finally, the locking member 16 is installed from the thickness direction of the opening belt 11 to complete the installation.

[0077] It should be noted that, in this embodiment, when loading on a vehicle, the length direction of the opening band 11 may sometimes be the length direction of the vehicle, the width direction of the opening band 11 may sometimes be the width direction of the vehicle, and the thickness direction of the opening band 11 may sometimes be the height direction of the vehicle.

[0078] Based on the above-mentioned transmission mechanism 10, the present application also provides a sunroof assembly (not shown in the figure), including glass (not shown in the figure) and two transmission mechanisms 10 as described above, and the two transmission mechanisms 10 are symmetrically arranged on both sides of the glass (not shown in the figure).

[0079] It should be noted that, in this embodiment, the material of the glass (not shown in the figure) is not limited, and is usually inorganic glass or organic glass, or a composite material.

[0080] It should be noted that the above-mentioned sunroof assembly, by arranging two clamping grooves 13 on the fixing portion 122 of the sliding component 12, the two end portions 113 of the opening band 11 are respectively tightly fitted in the two clamping grooves 13, so that the opening band 11 can be pre-positioned, thereby ensuring the positioning accuracy of the opening band 11 and the fixing portion 122 and avoiding the risk of misalignment and deviation; and avoiding the displacement of the opening band 11 during installation and causing it to fall off the fixing portion 122. Secondly, by providing the positioning portion 1221 on the fixed portion 122 of the sliding component 12 and providing the corresponding matching portion 151 on the limiting member 15, there is no need to use tooling to assist in positioning, thereby simplifying the installation process of the fixed portion 122 and the limiting member 15 and improving the convenience of disassembly and assembly of the fixed portion 122 and the limiting member 15; finally, since the fixed portion 122 and the sliding portion 121 have different channels in the guide rail 17 and the connecting channel 172 of the fixed portion 122 and the guide rail 17 has a clearance fit, the friction force on the fixed portion 122 during the movement is reduced, thereby avoiding the failure of the connection between the opening belt 11 and the fixed portion 122, and further improving the operation stability of the opening belt 11.

[0081] It should be noted that in the present application, if the glass (not shown in the figure) is an inorganic glass, examples thereof include soda-lime glass (also called soda-lime silicate glass), aluminosilicate glass, borate glass, borosilicate glass, lithium aluminosilicate glass, alkali-free glass, quartz glass, etc. Among these, soda-lime glass is particularly preferred. From the perspective of improving strength, the inorganic glass may also be a tempered glass, and the tempered glass may be any of chemically tempered glass and physically tempered glass.

[0082] If the glass (not shown) is organic glass (resin), polycarbonate resin, polystyrene resin, aromatic polyester resin, acrylic resin, polyester resin, polyarylate resin, polycondensate of halogenated bisphenol A and ethylene glycol, acrylic urethane resin, acrylic resin containing halogenated aromatic group, etc. are exemplified. Among them, polycarbonate resin such as aromatic polycarbonate resin and acrylic resin such as polymethyl methacrylate acrylic resin are preferred, polycarbonate resin is more preferred, and bisphenol A polycarbonate resin is particularly preferred. In addition, two or more of the above resins may be used in combination.

[0083] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described 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.

[0084] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

[0085] In addition, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", "third", and "fourth" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0086] In this application, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection (such as connection with bolts or screws), or an integral connection (such as riveting, welding); it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0087] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the present application include states or shapes that are approximate, similar, or close to them.

[0088] Any component provided in the present application may be assembled from multiple separate components, or may be a separate component manufactured by an integrated molding process.

[0089] In the present application, unless otherwise expressly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or 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 method.

Claims

1. A transmission mechanism, characterized in that: include: The open belt comprises an inner surface and an outer surface disposed opposite to each other in a thickness direction; A sliding assembly, comprising a sliding portion and a fixing portion which are arranged in a back-to-back manner and spaced apart from each other along the width direction of the opening belt; Two clamping grooves are arranged at intervals on the fixing portion along the length direction of the open belt; the length direction of the open belt is the same as the transmission direction of the open belt; the two ends of the open belt are respectively tightly fitted in the two clamping grooves; A connecting portion, disposed between the two clamping grooves, and used to connect the two clamping grooves; A limiting member is spaced apart from the sliding portion, and the limiting member is locked with the connecting portion so that the opening belt is fixed to the fixing portion.

2. The transmission mechanism according to claim 1, characterized in that: Each of the clamping grooves includes a first groove wall and a second groove wall which are arranged opposite to each other along the thickness direction of the opening belt; the inner surface of the opening belt is tightly fitted with the first groove wall; and the outer surface of the opening belt is tightly fitted with the second groove wall.

3. The transmission mechanism according to claim 1, characterized in that: The fixing portion includes a positioning portion for positioning the limiting member, the limiting member is provided with a matching portion for matching with the positioning portion, and the matching portion is fixed to the positioning portion.

4. The transmission mechanism according to claim 3, characterized in that: The connecting portion is concave or convex along the thickness direction of the opening belt to form the positioning portion.

5. The transmission mechanism according to claim 4, characterized in that: The transmission mechanism also includes a locking member. In the thickness direction of the open belt, the matching portion is provided with a first fixing hole, and the connecting portion is provided with a second fixing hole aligned with the first fixing hole. The locking member is used to fix the first fixing hole and the second fixing hole.

6. The transmission mechanism according to claim 4, characterized in that: The transmission mechanism also includes a locking member. In the width direction of the open belt, the matching portion is provided with a third fixing hole, and the connecting portion is provided with a fourth fixing hole aligned with the third fixing hole. The locking member is used to fix the third fixing hole and the fourth fixing hole.

7. The transmission mechanism according to claim 2, characterized in that: The inner surface of the opening belt is provided with at least two convex teeth, the first groove wall of the clamping groove is provided with at least two grooves for matching with the convex teeth, and the convex teeth are meshed with the grooves.

8. The transmission mechanism according to claim 1, characterized in that: The transmission mechanism also includes a guide rail and two pulleys respectively arranged at both ends of the guide rail, the open belt is arranged between the two pulleys, and the open belt is respectively matched with the two pulleys for transmission; the guide rail includes a sliding channel for accommodating the sliding part, the sliding part is arranged in the sliding channel, and the sliding part is slidably matched with the sliding channel.

9. The transmission mechanism according to claim 8, characterized in that: The guide rail further includes a connecting channel arranged side by side with the sliding channel, the fixing portion is arranged in the connecting channel, and the fixing portion and the connecting channel are clearance-matched.

10. A sunroof assembly, characterized in that: It comprises glass and two transmission mechanisms according to any one of claims 1 to 9, wherein the two transmission mechanisms are symmetrically arranged on both sides of the glass.

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