Transmission assembly and sunroof assembly

Abstract

A transmission assembly, comprising: a synchronous belt (11), a slide mechanism (12), and a fixing member (13). The slide mechanism (12) comprises a sliding portion (122) and a connecting portion (121) which are spaced apart from each other; the fixing member (13) and the sliding portion (122) are spaced apart from each other; the synchronous belt (11) is arranged between the fixing member (13) and the connecting portion (121); and the fixing member (13) is connected to the connecting portion (121) to fix the synchronous belt (11) to the connecting portion (121). The transmission assembly of the present application further improves the operation stability of a synchronous belt. Further provided is a sunroof assembly.

Description

Transmission assembly and sunroof assembly

[0001] The present application claims priority to the Chinese patent application No. 202410892646.9, filed on July 4, 2024, and entitled "Transmission assembly and sunroof assembly", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the technical field of vehicles, and in particular to a transmission assembly and a sunroof assembly. BACKGROUND

[0003] The existing synchronous belt and slider are connected by bolts after being pressed by upper and lower buckles. In the assembly process, the synchronous belt needs to be fixed in the buckle groove by using a tool, and then the upper and lower buckles are aligned by using a tool, the bolt holes on the upper and lower buckles are aligned, and then the upper and lower buckles are combined, the bolts are tightened, and the fixing is completed. The above-mentioned installation method mainly has the following disadvantages:

[0004] (1) It is difficult to adjust the length of the synchronous belt, and it is necessary to disassemble and assemble the bolts and use a tool for positioning, which is time-consuming and laborious;

[0005] (2) When the synchronous belt is installed in the buckle groove, the upper and lower buckles are not fixed, and there is a risk of synchronous belt falling off;

[0006] (3) In the assembly process, it is difficult to ensure the accurate positioning of the synchronous belt and the buckle, and there is a risk of misalignment. SUMMARY

[0007] The present application aims to solve the problems in the background art and provides a transmission assembly and a sunroof assembly.

[0008] To achieve the above technical purposes, the technical solution adopted by the present application is as follows:

[0009] A transmission assembly, comprising: a synchronous belt, a sliding mechanism and a fixing member, the sliding mechanism comprises a sliding part and a connecting part arranged at intervals, the fixing member is arranged at intervals with the sliding part, the synchronous belt is arranged between the fixing member and the connecting part, the fixing member is connected with the connecting part, so that the synchronous belt is fixed to the connecting part.

[0010] In one embodiment, the connecting part comprises a bottom and a positioning groove extending from the bottom, the positioning groove and the bottom form a clamping part, so that the synchronous belt is clamped in the clamping part.

[0011] Further, the synchronous belt comprises an outer surface and an inner surface arranged opposite to each other, the outer surface of the synchronous belt abuts against the bottom of the connecting part, and the inner surface of the synchronous belt abuts against the positioning groove.

[0012] Further, the inner surface of the synchronous belt is provided with at least two protrusions, and the positioning slot is provided with at least two recesses for matching the protrusions, the protrusions being engaged with the recesses.

[0013] In one embodiment, the fixing member is provided with a receiving hole for receiving the positioning slot.

[0014] Further, the receiving hole is in pressure fit with the positioning slot.

[0015] Further, the surface of the fixing member in contact with the protrusions is provided with at least two recesses for matching the protrusions, the recesses being provided with the receiving hole, and the protrusions being engaged with the recesses.

[0016] In one embodiment, the fixing member is provided with a buckle, and the bottom of the connecting portion is provided with a receiving port for matching the buckle, the buckle being fixed in the receiving port.

[0017] In one embodiment, the width direction of the synchronous belt is Y direction, the thickness direction of the synchronous belt is Z direction, the connecting portion and the sliding portion are arranged side by side along Y direction, and the connecting portion and the fixing member are arranged along Z direction.

[0018] Further, the number of the receiving ports is at least two, the number of the buckles is the same as that of the receiving ports, and the two receiving ports are arranged on both sides of the synchronous belt along Y direction.

[0019] In one embodiment, the buckle comprises a side portion and a hook portion connected with each other, the side portion and the hook portion form a hook slot, and the hook slot is fixed in the receiving port.

[0020] In one embodiment, the extending direction of the positioning slot is Y direction.

[0021] In one embodiment, the synchronous belt is an open belt, the number of the positioning slots is two, the two positioning slots are arranged opposite to each other, and the two ends of the open belt are arranged in the two clamping portions respectively.

[0022] Further, a stop portion is arranged between the two positioning slots, and the stop portion is arranged at the bottom of the connecting portion.

[0023] In one embodiment, the transmission assembly further comprises a locking member, the bottom of the connecting portion is provided with a first fixing hole between the two positioning slots, the fixing member is provided with a second fixing hole aligned with the first fixing hole, and the locking member is fixed in the first fixing hole and the second fixing hole.

[0024] In one embodiment, the transmission assembly further comprises a guide rail and two pulleys respectively arranged at two ends of the guide rail, and the synchronous belt is arranged between the two pulleys and in transmission cooperation with the two pulleys respectively.

[0025] Further, the guide rail comprises a sliding channel for accommodating the sliding part, and the sliding part is arranged in the sliding channel and in sliding cooperation with the sliding channel.

[0026] Further, the guide rail further comprises a connecting channel arranged side by side with the sliding channel, and the connecting part and the fixing member are arranged in the connecting channel and in clearance cooperation with the connecting channel.

[0027] On the basis of the above-mentioned transmission assembly, the application further provides a sunroof assembly comprising a glass and two transmission assemblies as described above, and the two transmission assemblies are symmetrically arranged at two sides of the glass.

[0028] Compared with the prior art, the application has the following beneficial effects:

[0029] (1) By simplifying the structure, the fixing member is directly connected with the connecting part of the sliding mechanism, without the need for auxiliary positioning by tooling, thereby simplifying the installation process and improving the disassembly and assembly convenience of the fixing member and the connecting part;

[0030] (2) By arranging the clamping part on the connecting part of the sliding mechanism, the synchronous belt is clamped in the clamping part, so that the synchronous belt can be pre-positioned, the positioning accuracy of the synchronous belt and the connecting part of the sliding mechanism is ensured, and the risk of misalignment deviation is avoided; and the synchronous belt is prevented from being displaced during installation and falling out of the connecting part;

[0031] (3) Since the connecting part and the sliding part have different channels in the guide rail, the connecting part and the fixing member are arranged in the connecting channel, and the connecting part and the fixing member are in clearance cooperation with the connecting channel, so that the fixing member is not subjected to force during the operation of the synchronous belt, the fixing member is prevented from falling out of the connecting part, and the connection stability of the synchronous belt and the connecting part is ensured; further, the dimensional accuracy requirement of the fixing member is low, a larger tolerance is allowed, and the cost is reduced; and the friction force acting on the connecting part during movement is reduced, and the operation stability of the synchronous belt is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0032] Fig. 1 is a partial structural schematic view of a transmission assembly in one embodiment of the application;

[0033] Fig. 2 is an exploded view of Fig. 1;

[0034] Fig. 3 is an enlarged schematic view of a sliding mechanism in one embodiment of the application;

[0035] Fig. 4 is an enlarged view of the fixing member in one embodiment of the present application;

[0036] Fig. 5 is a schematic view of the transmission assembly in another embodiment of the present application;

[0037] Fig. 6 is an exploded view of Fig. 5;

[0038] Fig. 7 is a schematic view of the transmission assembly in one embodiment of the present application;

[0039] Fig. 8 is an enlarged view of A-A in Fig. 7;

[0040] Fig. 9 is an enlarged view of B-B in Fig. 7;

[0041] Fig. 10 is an enlarged view of C-C in Fig. 7.

[0042] Reference signs: 10, transmission assembly; 11, synchronous belt; 111, outer surface; 112, inner surface; 1121, protruding tooth; 113, end portion; 12, sliding mechanism; 121, connecting portion; 1211, positioning groove; 1212, bottom portion; 1213, clamping portion; 1214, recess; 1215, bayonet; 1216, first fixing hole; 1217, stop portion; 122, sliding portion; 13, fixing member; 131, buckle; 1311, side portion; 1312, hook portion; 1313, hook groove; 132, accommodating hole; 133, recessed portion; 134, second fixing hole; 135, mating hole; 14, locking member; 15, guide rail; 151, connecting passage; 152, sliding passage; 16, pulley. DETAILED DESCRIPTION

[0043] In order to make the above objectives, features and advantages of the present application more obvious and understandable, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, a lot of specific details are set forth in order to give a full and thorough understanding of the present application. However, the present application can be implemented in many different ways other than those described herein, and those skilled in the art can make similar improvements without departing from the spirit and scope of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0044] As shown in Figs. 1-2, in some embodiments, the present application provides a transmission assembly 10, comprising a synchronous belt 11, a sliding mechanism 12 and a fixing member 13, the sliding mechanism 12 comprises a sliding portion 122 and a connecting portion 121 arranged at intervals, the fixing member 13 is arranged at intervals with the sliding portion 122, the synchronous belt 11 is arranged between the fixing member 13 and the connecting portion 121, the fixing member 13 is connected with the connecting portion 121, so that the synchronous belt 11 is fixed to the connecting portion 121.

[0045] It should be noted that in the embodiment, the fixed part 13 is connected with the connecting part 121 by arranging the synchronous belt 11 between the fixed part 13 and the connecting part 121, so that the synchronous belt 11 is fixed to the connecting part 121. Since the fixed part 13 is directly connected with the connecting part 121 of the sliding mechanism 12, it is not necessary to use a tool to assist positioning, thereby simplifying the installation process and improving the dismounting convenience of the fixed part 13 and the connecting part 121.

[0046] It should be noted that in the embodiment, the synchronous belt 11 can be an open belt or a closed loop belt. The open belt is a straight belt with two ends not connected together, and the closed loop belt is a ring-shaped belt formed by connecting two ends of the open belt together.

[0047] In one embodiment, as shown in FIGS. 2, 3 and 6, the connecting part 121 includes a bottom 1212 and a positioning groove 1211 extending from the bottom 1212, and the positioning groove 1211 and the bottom 1212 form a clamping part 1213, so that the synchronous belt 11 is clamped in the clamping part 1213.

[0048] It should be noted that in the embodiment, the synchronous belt 11 is clamped in the clamping part 1213 by arranging the clamping part 1213 on the connecting part 121 of the sliding mechanism 12. The clamping part 1213 can pre-position the synchronous belt 11, ensuring the positioning accuracy of the synchronous belt 11 and the connecting part 121 of the sliding mechanism 12, avoiding the risk of misalignment deviation, and avoiding the phenomenon of displacement of the synchronous belt 11 during installation, which leads to falling out of the connecting part 121.

[0049] In the embodiment, further, the synchronous belt 11 includes an outer surface 111 and an inner surface 112 arranged opposite to each other, the outer surface 111 of the synchronous belt 11 abuts against the bottom 1212 of the connecting part 121, and the inner surface 112 of the synchronous belt 11 abuts against the positioning groove 1211.

[0050] It should be noted that in the embodiment, since the outer surface 111 of the synchronous belt 11 abuts against the bottom 1212 of the connecting part 121 and the inner surface 112 of the synchronous belt 11 abuts against the positioning groove 1211, the synchronous belt 11 is tightly attached to the clamping part 1213, further improving the pre-positioning effect of the connecting part 121 and the synchronous belt 11, ensuring the positioning accuracy of the synchronous belt 11 and the connecting part 121 of the sliding mechanism 12, avoiding the risk of misalignment deviation, and avoiding the phenomenon of displacement of the synchronous belt 11 during installation, which leads to falling out of the connecting part 121.

[0051] In the embodiment, further, as shown in FIG. 2 and FIG. 6, the inner surface 112 of the synchronous belt 11 is provided with at least two protrusions 1121, and the positioning groove 1211 is provided with at least two recesses 1214 for cooperating with the protrusions 1121, and the protrusions 1121 are engaged with the recesses 1214.

[0052] It should be noted that, in the embodiment, the protrusions 1121 are engaged with the recesses 1214, which increases the contact area between the inner surface 112 of the synchronous belt 11 and the positioning groove 1211, further improves the clamping firmness of the synchronous belt 11 and the clamping part 1213, and further improves the pre-positioning effect of the synchronous belt 11 and the connecting part 121.

[0053] In one embodiment, as shown in FIG. 4, the fixing part 13 is provided with a receiving hole 132 for accommodating the positioning groove 1211.

[0054] It should be noted that, in the embodiment, by providing the receiving hole 132, the situation that the fixing part 13 cannot be connected with the connecting part 121 of the sliding mechanism 12 due to the interference of the positioning groove 1211 when the fixing part 13 is connected with the connecting part 121 is avoided.

[0055] In the embodiment, further, the receiving hole 132 is press-fitted with the positioning groove 1211.

[0056] It should be noted that, in the embodiment, the receiving hole 132 is press-fitted with the positioning groove 1211, so that the positioning groove 1211 is further engaged with the synchronous belt 11, and the fixing strength of the synchronous belt 11 and the connecting part 121 is improved.

[0057] In the embodiment, further, as shown in FIG. 4, the surface of the fixing part 13 in contact with the protrusions 1121 is provided with at least two recesses 133 for cooperating with the protrusions 1121, the recesses 133 are provided with the receiving hole 132, and the protrusions 1121 are engaged with the recesses 133.

[0058] It should be noted that, in the embodiment, by providing at least two recesses 133 on the surface of the fixing part 13 in contact with the protrusions 1121 for cooperating with the protrusions 1121, after the fixing part 13 is connected with the connecting part 121 of the sliding mechanism 12, the protrusions 1121 of the synchronous belt 11 are engaged with the recesses 133 of the fixing part 13 and the recesses 1214 of the positioning groove 1211, the close-fitting effect of the synchronous belt 11 and the fixing part 13 and the connecting part 121 is improved, and the running stability of the synchronous belt 11 is further ensured.

[0059] In one embodiment, as shown in FIGS. 2-4, 6, the fixing member 13 is provided with a buckle 131, the bottom 1212 of the connecting portion 121 is provided with a buckle opening 1215 for cooperating with the buckle 131, and the buckle 131 is fixed in the buckle opening 1215.

[0060] It should be noted that in the present embodiment, the fixing member 13 is clamped with the buckle 131 and the buckle opening 1215 provided on the bottom 1212 of the connecting portion 121, without the need for positioning with the aid of a tool, simplifying the installation process and further improving the convenience of disassembly of the fixing member 13 and the connecting portion 121.

[0061] In one embodiment, as shown in FIGS. 2, 10, the width direction of the synchronous belt 11 is the Y direction, the thickness direction of the synchronous belt 11 is the Z direction, the connecting portion 121 and the sliding portion 122 are arranged side by side along the Y direction, and the connecting portion 121 and the fixing member 13 are arranged along the Z direction.

[0062] It should be noted that in the present embodiment, when loading the vehicle, the Y direction can sometimes be the width direction of the vehicle, and the Z direction can sometimes be the height direction of the vehicle.

[0063] In the present embodiment, further, as shown in FIG. 3, the extension direction of the positioning groove 1211 is the Y direction.

[0064] It should be noted that in the present embodiment, when installing, the synchronous belt 11 is loaded into the clamping portion 1213 along the Y direction.

[0065] In the present embodiment, further, as shown in FIG. 3, the number of buckle openings 1215 is at least two, the number of buckles 131 is the same as the number of buckle openings 1215, and the two buckle openings 1215 are arranged on both sides of the synchronous belt 11 along the Y direction.

[0066] It should be noted that in the present embodiment, the two buckle openings 1215 are arranged on both sides of the synchronous belt 11 along the Y direction, so that when the buckle 131 is clamped into the buckle opening 1215, the Y direction limiting effect on both sides of the synchronous belt 11 can be achieved, avoiding the synchronous belt 11 from falling off in the Y direction during operation, and ensuring the connection stability of the synchronous belt 11 and the connecting portion 121 of the sliding mechanism 12.

[0067] It should be noted that in the present embodiment, the at least two buckle openings can be symmetrically arranged on both sides of the synchronous belt 11 along the Y direction, or can be asymmetrically arranged on both sides of the synchronous belt 11, which is not limited herein.

[0068] In the embodiment, as shown in FIGS. 2 and 4, the buckle 131 comprises a side portion 1311 and a hook portion 1312 connected to each other, and the side portion 1311 and the hook portion 1312 form a hook groove 1313 fixed to the socket 1215. The hook groove 1313 cooperates with the socket 1215, so that the fixing member 13 is clamped to the connecting portion 121 of the sliding mechanism 12.

[0069] In one embodiment, as shown in FIGS. 2 and 6, the timing belt 11 is an open belt, and the number of the positioning grooves 1211 is two, and the two positioning grooves 1211 are oppositely spaced apart, and the two end portions 113 of the open belt are arranged in the two clamping portions 1213 respectively.

[0070] It should be noted that, in the embodiment, the timing belt 11 is an open belt, which has high wear resistance, small tolerance, stable and reliable size, and can maintain the unchanged operation characteristics in application, and can also ensure good operation skills in high load transmission.

[0071] It should be noted that, in the embodiment, by arranging the two positioning grooves 1211, and arranging the two end portions 113 of the open belt in the two clamping portions 1213 respectively, the predetermined positioning of the timing belt 11 and the connecting portion 121 is achieved, the positioning accuracy of the timing belt 11 and the connecting portion 121 of the sliding mechanism 12 is ensured, and the risk of misalignment deviation is avoided.

[0072] In the embodiment, further, as shown in FIGS. 2-3, a stop portion 1217 is arranged between the two positioning grooves 1211, and the stop portion 1217 is arranged at the bottom 1212 of the connecting portion 121.

[0073] It should be noted that, in the embodiment, by arranging the stop portion 1217 between the two positioning grooves 1211, and arranging the stop portion 1217 at the bottom 1212 of the connecting portion 121, the installation spaces of the two end portions 113 of the open belt are spaced apart, the two end portions 113 of the open belt have respective installation spaces respectively, and the installation convenience of the open belt and the connecting portion 121 is further improved. In the embodiment, as shown in FIG. 4, the fixing member 13 is provided with a matching hole 135 for accommodating the stop portion 1217.

[0074] In one embodiment, as shown in FIGS. 5-6, the transmission assembly 10 further comprises a locking piece 14, between the two positioning grooves 1211, the bottom 1212 of the connecting part 121 is provided with a first fixing hole 1216, the fixing piece 13 is provided with a second fixing hole 134 aligned with the first fixing hole 1216, and the locking piece 14 is fixed to the first fixing hole 1216 and the second fixing hole 134.

[0075] It should be noted that in this embodiment, by providing the locking piece 14, the fixing effect of the connecting part 121 and the fixing piece 13 is enhanced, and the connection stability of the synchronous belt 11 and the connecting part 121 is further improved.

[0076] In one embodiment, as shown in FIGS. 7-8, the transmission assembly 10 further comprises a guide rail 15 and two pulleys 16 respectively arranged at both ends of the guide rail 15, the synchronous belt 11 is arranged between the two pulleys 16, and the synchronous belt 11 is in transmission cooperation with the two pulleys 16 respectively.

[0077] It should be noted that in this embodiment, the material of the guide rail 15 is not limited, and is usually plastic or metal.

[0078] It should be noted that in this embodiment, the connecting part 121 of the sliding mechanism 12 can be arranged outside the guide rail 15 or inside the guide rail 15, which is not limited here.

[0079] In this embodiment, further, as shown in FIGS. 9-10, the guide rail 15 comprises a sliding channel 152 for accommodating the sliding part 122, the sliding part 122 is arranged in the sliding channel 152, and the sliding part 122 is in sliding cooperation with the sliding channel 152.

[0080] It should be noted that in this embodiment, the movement of the sliding part 122 drives the movement of the connecting part 121, and further drives the movement of the synchronous belt 11 fixed on the connecting part 121, the synchronous belt 11 drives the rotation of the two pulleys 16, and the transmission function of the transmission assembly 10 is realized.

[0081] In this embodiment, further, as shown in FIGS. 9-10, the guide rail 15 further comprises a connecting channel 151 arranged side by side with the sliding channel 152, the connecting part 121 and the fixing piece 13 are arranged in the connecting channel 151, and the connecting part 121 and the fixing piece 13 are in clearance cooperation with the connecting channel 151.

[0082] It should be noted that, in the embodiment, since the connecting portion 121 and the sliding portion 122 have different channels in the guide rail 15, the connecting portion 121 and the fixing member 13 are arranged in the connecting channel 151, and the connecting portion 121 and the fixing member 13 are in clearance fit with the connecting channel 151, so that the fixing member 13 is not subjected to force during the operation of the synchronous belt 11, the fixing member 13 is prevented from falling out of the connecting portion 121, the connection stability of the synchronous belt 11 and the connecting portion 121 is ensured, the size precision requirement of the fixing member 13 is low, a large tolerance is allowed, and the cost is reduced. Moreover, the friction force received by the connecting portion 121 during the movement is reduced, the connection failure of the synchronous belt 11 and the connecting portion 121 is avoided, and the operation stability of the synchronous belt 11 is further improved.

[0083] It should be noted that, in an embodiment of the application, the installation process of the synchronous belt 11 and the connecting portion 121 of the sliding mechanism 12 is as follows:

[0084] Before the sliding mechanism 12 enters the guide rail 15, one end portion 113 of the synchronous belt 11 is loaded into the clamping portion 1213 of the connecting portion 121 from the Y direction, the synchronous belt 11 is first wound around one pulley 16 arranged away from the sliding mechanism 12 and then wound around another pulley 16 arranged close to the sliding mechanism 12, then the other end portion 113 of the synchronous belt 11 is loaded into the other clamping portion 1213 from the Y direction, finally the buckle 131 of the fixing member 13 is clamped into the socket 1215 of the connecting portion 121 from the Z direction, and the installation is completed.

[0085] It should be noted that, in the embodiment, during loading, the Y direction can be the width direction of the vehicle, and the Z direction can be the height direction of the vehicle.

[0086] On the basis of the above-mentioned transmission assembly 10, the application further provides a sunroof assembly, which comprises a glass (not shown in the figure) and two transmission assemblies 10 as described above, and the two transmission assemblies 10 are symmetrically arranged on both sides of the glass (not shown in the figure).

[0087] It should be noted that, in the 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.

[0088] It should be noted that the sunroof assembly simplifies the structure, directly connects the fixing member 13 with the connecting part 121 of the sliding mechanism 12, does not need to use a tool to assist in positioning, simplifies the installation process, improves the disassembly and assembly convenience of the fixing member 13 and the connecting part 121, the clamping part 1213 is arranged on the connecting part 121 of the sliding mechanism 12, the synchronous belt 11 is clamped on the clamping part 1213, the synchronous belt 11 can be pre-positioned, the positioning accuracy of the synchronous belt 11 and the connecting part 121 of the sliding mechanism 12 is ensured, the risk of misalignment deviation is avoided, the synchronous belt 11 is prevented from being displaced during installation and falling out of the connecting part 121, the connecting part 121 and the sliding part 122 have different channels in the guide rail 15, the connecting part 121 and the fixing member 13 are arranged in the connecting channel 151, and the connecting part 121 and the fixing member 13 are in clearance fit with the connecting channel 151, so that the fixing member 13 is not stressed during the operation of the synchronous belt 11, the fixing member 13 is prevented from falling out of the connecting part 121, the connection stability of the synchronous belt 11 and the connecting part 121 is ensured, the size precision requirement of the fixing member 13 is low, a large tolerance is allowed, and the cost is reduced. Moreover, the friction force received by the connecting part 121 during movement is reduced, the connection failure of the synchronous belt 11 and the connecting part 121 is avoided, and the operation stability of the synchronous belt 11 is further improved.

[0089] Note that, in the present application, if the glass (not shown in the figure) is inorganic glass, examples of the inorganic glass include soda-lime glass (also referred to as soda-lime silicate glass), alumino-silicate glass, borate glass, borosilicate glass, lithium-alumino-silicate glass, non-alkali glass, quartz glass, and the like. Among these, soda-lime glass is particularly preferable. From the viewpoint of improving strength, the inorganic glass can also be strengthened glass, and the strengthened glass can be any one of chemically strengthened glass and physically strengthened glass.

[0090] If the glass (not shown in the figure) is organic glass (resin), examples of the organic glass (resin) include polycarbonate resin, polystyrene resin, aromatic polyester resin, acrylic resin, polyester resin, polyarylate resin, polycondensate of halogenated bisphenol A and ethylene glycol, acryl urethane resin, acryl resin containing halogenated aryl, and the like. Among these, polycarbonate resin such as aromatic polycarbonate resin and acryl resin such as polymethyl methacrylate-based acryl resin are preferable, polycarbonate resin is more preferable, and bisphenol A-based polycarbonate resin is particularly preferable. In addition, two or more kinds of the above-described resins can be used in combination.

[0091] Any technical features in the above-described embodiments can be combined in any manner, and for brevity, not all possible combinations are described, but it is understood that any combination of features is within the scope of the present disclosure.

[0092] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, and these are within the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

[0093] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified.

[0094] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection (for example, using bolts or screws), or integrated (for example, riveting, welding); it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0095] In addition, the terms used to represent the position relationship or shape in any of the technical solutions disclosed above include the state or shape similar, similar or close to it, unless otherwise stated.

[0096] Any component provided by the present application can be a separate component assembled from a plurality of individual components, or a separate component manufactured by one-piece forming process.

[0097] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact of the first and second features, or indirect contact of the first and second features through intermediate medium. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes, and do not represent the only implementation manner.

Claims

1. A transmission assembly comprising: The synchronous belt, sliding mechanism and fixing member are characterized in that the sliding mechanism comprises sliding parts and connecting parts arranged at intervals, the fixing member is arranged at intervals with the sliding parts, the synchronous belt is arranged between the fixing member and the connecting parts, and the fixing member is connected with the connecting parts so that the synchronous belt is fixed to the connecting parts.

2. The transmission assembly of claim 1, wherein, The connecting part comprises a bottom and a positioning groove extending from the bottom, and the positioning groove and the bottom form a clamping part so that the synchronous belt is clamped in the clamping part.

3. The transmission assembly of claim 2, wherein, The synchronous belt comprises outer surfaces and inner surfaces arranged oppositely, the outer surfaces of the synchronous belt abut against the bottom of the connecting part, and the inner surfaces of the synchronous belt abut against the positioning groove.

4. The transmission assembly of claim 3, wherein, The inner surfaces of the synchronous belt are provided with at least two protruding teeth, the positioning groove is provided with at least two grooves for cooperating with the protruding teeth, and the protruding teeth are engaged with the grooves.

5. The transmission assembly of claim 4, wherein, The fixing member is provided with a containing hole for containing the positioning groove.

6. The transmission assembly of claim 5, wherein, The containing hole is in pressure fit with the positioning groove.

7. The transmission assembly of claim 6, wherein, The surface of the fixing member in contact with the protruding teeth is provided with at least two recesses for cooperating with the protruding teeth, the recesses are provided with the containing hole, and the protruding teeth are engaged with the recesses.

8. The transmission assembly of claim 2, wherein, The fixing member is provided with a buckle, the bottom of the connecting part is provided with a buckle opening for cooperating with the buckle, and the buckle is fixed to the buckle opening.

9. The transmission assembly of claim 8, wherein, The width direction of the synchronous belt is Y direction, the thickness direction of the synchronous belt is Z direction, the connecting parts and the sliding parts are arranged side by side along the Y direction, and the connecting parts and the fixing member are arranged along the Z direction.

10. The transmission assembly of claim 9, wherein, The number of the buckle openings is at least two, the number of the buckles is the same as that of the buckle openings, and two buckle openings are arranged on both sides of the synchronous belt along the Y direction.

11. The transmission assembly of claim 8, wherein, The buckle comprises a side part and a hook part connected with each other, the side part and the hook part form a hook groove, and the hook groove is fixed to the buckle opening.

12. The transmission assembly of claim 9, wherein, The extension direction of the positioning groove is the Y direction.

13. The transmission assembly of claim 2, wherein, The synchronous belt is an open belt, the number of the positioning grooves is two, the two positioning grooves are oppositely arranged at intervals, and two ends of the open belt are arranged in the two clamping parts respectively.

14. The transmission assembly of claim 13, wherein, A stop part is arranged between the two positioning grooves, and the stop part is arranged on the bottom of the connecting part.

15. The transmission assembly of claim 13, wherein, The transmission assembly further comprises a locking member, the bottom of the connecting part is provided with a first fixing hole between the two positioning grooves, the fixing member is provided with a second fixing hole aligned with the first fixing hole, and the locking member is fixed to the first fixing hole and the second fixing hole.

16. The transmission assembly of claim 1, wherein, The transmission assembly further comprises a guide rail and two pulleys arranged at two ends of the guide rail respectively, the synchronous belt is arranged between the two pulleys, and the synchronous belt is in transmission cooperation with the two pulleys respectively.

17. The transmission assembly of claim 16, wherein, The guide rail comprises a sliding channel for containing the sliding part, the sliding part is arranged in the sliding channel, and the sliding part is in sliding cooperation with the sliding channel.

18. The transmission assembly of claim 17, wherein, The guide rail further comprises a connecting channel arranged side by side with the sliding channel, the connecting part and the fixing member are arranged in the connecting channel, and the connecting part and the fixing member are in clearance cooperation with the connecting channel.

19. A sunroof assembly characterized by, The transmission assembly as claimed in any one of claims 1 to 18, wherein the glass and the two transmission assemblies are symmetrically arranged on both sides of the glass.

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