Sunshade curtain assembly, skylight assembly and vehicle

Abstract

The utility model provides a sunshade curtain assembly, a skylight assembly and a vehicle. Comprising a reel, a first belt wheel, a second belt wheel, a synchronous belt, a fixed seat and an elastic structure, the first belt wheel is connected to the end of the reel, and the second belt wheel and the first belt wheel are oppositely arranged in the length direction of the sunshade curtain assembly in a spaced mode. The synchronous belt is connected between the first belt wheel and the second belt wheel so that the first belt wheel can drive the second belt wheel to rotate through the synchronous belt or the second belt wheel can drive the first belt wheel to rotate through the synchronous belt, and the synchronous belt comprises a first belt body and a second belt body which are arranged in the height direction of the sunshade curtain assembly in a spaced mode. Part of the fixing base is located on the side, away from the first belt body, of the second belt body and is spaced from the second belt body. The elastic structure is located in a gap area between the second belt body and the fixing base, one end of the elastic structure is connected to the fixing base, and the other end of the elastic structure elastically abuts against the second belt body. According to the technical scheme, the tensioning mechanism of the sunshade curtain assembly is simple in structure and occupies a small space in a vehicle.

Description

Technical Field

[0001] The present application relates to the technical field of sunshade curtains, and in particular to a sunshade curtain assembly, a sunroof assembly and a vehicle. Background Art

[0002] Vehicles play a very important role in transportation and logistics. With the development of vehicle technology, vehicles are often equipped with sunshades to block the sunlight that penetrates through the sunroof glass. The sunshades are unfolded for use when the sunlight needs to be blocked, and are rolled up for easy storage after use. At present, the sunshades are often rolled up and unfolded through a synchronous belt, and a tensioning mechanism is used to keep the synchronous belt tensioned. However, the existing tensioning mechanism has a complex structure and occupies a large space in the vehicle. Utility Model Content

[0003] The embodiments of the present application provide a sunshade assembly, a sunroof assembly and a vehicle. The tensioning mechanism of the sunshade assembly has a simple structure and occupies a relatively small space inside the vehicle.

[0004] In a first aspect of the present application, a sunshade curtain assembly is provided, the sunshade curtain assembly comprising:

[0005] reel;

[0006] a first pulley and a second pulley, wherein the first pulley is connected to an end of the reel and is coaxially arranged with the reel, and the second pulley is arranged opposite to and spaced from the first pulley in a first direction, wherein the first direction is a length direction of the sunshade assembly;

[0007] A synchronous belt, wherein the synchronous belt is connected between the first pulley and the second pulley, so that the first pulley drives the second pulley to rotate through the synchronous belt, or the second pulley drives the first pulley to rotate through the synchronous belt, the synchronous belt comprises a first belt body and a second belt body, the first belt body and the second belt body are arranged at intervals in a second direction, the second direction is arranged perpendicular to the first direction, and the second direction is the height direction of the sunshade assembly;

[0008] A fixing seat, part of which is located on a side of the second belt body away from the first belt body and is spaced apart from the second belt body; and

[0009] An elastic structure is located in a gap area between the second belt body and the fixing seat, one end of the elastic structure is connected to the fixing seat, and the other end of the elastic structure elastically abuts against the second belt body.

[0010] It can be understood that, since the first pulley can drive the second pulley to rotate through the synchronous belt or the second pulley can drive the first pulley to rotate through the synchronous belt, one of the first pulley and the second pulley can be used as a driving pulley in the transmission mechanism, and the other can be used as a driven pulley in the transmission mechanism. When the first pulley rotates, the first pulley can drive the second pulley on the same side to rotate through the synchronous belt on the same side, or when the second pulley rotates, the second pulley can drive the first pulley on the same side to rotate through the synchronous belt on the same side, so that the synchronous belt can reciprocate along its own extension trajectory and realize the transmission function of the synchronous belt.

[0011] Since the synchronous belt is wound around the first pulley and the second pulley, and the first belt body and the second belt body of the synchronous belt are arranged opposite to each other and spaced apart along the height direction of the sunshade assembly, one of the first belt body and the second belt body of the synchronous belt is the tight side of the synchronous belt, and the other is the loose side of the synchronous belt. For the loose side of the synchronous belt, it is difficult to have additional supporting force to maintain close contact with the first pulley and / or the second pulley. Therefore, in order to ensure the normal operation of the synchronous belt, a tensioning mechanism is usually required to adjust the tension of the synchronous belt. However, in the related art, the tensioning mechanism capable of adjusting the tension of the synchronous belt has a complex structure and requires too much space in the vehicle.

[0012] Based on this, in the embodiment of the present application, by providing an elastic structure and making the elastic structure located in the gap area between the second belt body and the fixed seat, the idle space in the sunshade assembly between the second belt body and the fixed seat can be fully utilized without occupying other space of the sunshade assembly. This is beneficial to reducing the excessive space occupied by the elastic structure in the vehicle and improving the space utilization rate of the sunshade assembly.

[0013] On the one hand, since one end of the elastic structure is connected to the fixed seat, the position of the fixed seat will not change, so that one end of the elastic structure can be fixed in the same position without changing, so that the elastic structure as a whole has better position stability. The other end of the elastic structure elastically abuts against the second belt body, and the elastic structure itself has better deformation resilience, so that the second belt body, which is the loose side of the synchronous belt, can be supported, so that the elastic structure can be used as a tensioning mechanism in the sunshade assembly to provide tensioning force to the loose side of the synchronous belt. On the other hand, since the elastic structure has a simple structure, it can not only simplify the number of parts of the tensioning mechanism in the sunshade assembly, but also prevent the synchronous belt from being too loose and failing, and avoid the synchronous belt from being too tense and causing unnecessary stress, so that the synchronous belt as a whole maintains a suitable tension state, thereby improving the stability of the synchronous belt transmission and the working stability of the sunshade assembly.

[0014] In addition, the use of synchronous belts for transmission can also reduce the noise of the sunshade assembly during operation, reduce the amplitude of the vibration of the elastic structure caused by the bumps and vibrations of the vehicle, and the impact of the vibration during vehicle operation on the elastic structure serving as a tensioning mechanism.

[0015] In a possible embodiment, the elastic structure includes a fixed section, a connecting section and a contact section, the fixed section is fixed to the fixed seat, the contact section elastically abuts against the second belt body, the connecting section is connected between the fixed section and the contact section, and the contact section can drive the connecting section to move along the second direction and in the opposite direction of the second direction.

[0016] It can be understood that since there is a force between the contact section of the elastic structure and the second belt body of the synchronous belt, under the action of the force between the contact section of the elastic structure and the second belt body of the synchronous belt, the contact section of the elastic structure can drive the connecting section of the elastic structure to move downward along the height direction of the sunshade assembly to produce elastic deformation, and the contact section of the elastic structure can also drive the connecting section of the elastic structure to rebound upward in the opposite direction of the height direction of the sunshade assembly.

[0017] After the synchronous belt is installed, the elastic structure is installed on the fixing seat, and the elastic structure is adjusted so that the elastic structure and the second belt body of the synchronous belt are elastically supported. At this time, the second belt body of the synchronous belt will exert a certain force on the elastic structure, causing the elastic structure to deform elastically and give the second belt body of the synchronous belt a pre-tightening force. During the operation of the synchronous belt, if the second belt body of the synchronous belt relaxes downward, the pre-deformed elastic structure will bounce upward to achieve the effect of tensioning the second belt body of the synchronous belt as the loose side.

[0018] In a possible implementation manner, one end of the contact segment is connected to the connecting segment, the contact segment is bent in a direction away from the second belt body, and the other end of the contact segment faces the fixing seat.

[0019] Under this setting, the contact section of the elastic structure can be bent, and by bending the contact section of the elastic structure, a larger contact area can be formed between the contact section of the elastic structure and the second belt body of the synchronous belt. In addition, by making the end of the contact section of the elastic structure away from the connection section of the elastic structure face away from the second belt body of the synchronous belt, it is possible to avoid the problem of synchronous belt wear and failure due to direct contact between the end of the contact section of the elastic structure away from the connection section of the elastic structure and the second belt body of the synchronous belt.

[0020] In a possible implementation manner, the surface where the contact segment contacts the second belt body is a curved surface.

[0021] Under this setting, there can be less friction between the contact section of the elastic structure and the second belt body of the synchronous belt, so that the elastic structure will not accelerate the wear of the second belt body of the synchronous belt, which is beneficial to extending the service life of the synchronous belt.

[0022] In a possible implementation manner, the surface where the contact section contacts the second belt body is a plane.

[0023] Under this configuration, a larger contact area can be provided between the contact section of the elastic structure and the second belt body of the synchronous belt, so as to ensure that the elastic structure can stably support the second belt body of the synchronous belt.

[0024] In a possible implementation manner, the synchronous belt further includes a first winding body and a second winding body;

[0025] One end of the first winding body is connected to one end of the first belt body, the first winding body is wound around the first pulley, and the other end of the first winding body is connected to one end of the second belt body;

[0026] One end of the second winding body is connected to the other end of the first belt body, the second winding body is wound around the second pulley, and the other end of the second winding body is connected to the other end of the second belt body;

[0027] The inner surfaces of the first winding body, the second winding body, the first belt body and the second belt body are provided with a plurality of matching teeth, and the plurality of matching teeth are meshed with both the first pulley and the second pulley.

[0028] Under this setting, the first pulley, the second pulley and the matching teeth are engaged to realize the connection between the synchronous belt and the first pulley and the second pulley on the same side, so that the synchronous belt can realize the transmission function.

[0029] In a possible embodiment, the second belt body includes a first sub-belt and a second sub-belt, one end of the first sub-belt is connected to the first winding body, the other end of the first sub-belt is connected to the second sub-belt, the extension direction of the first sub-belt intersects with the extension direction of the first belt body, the extension direction of the second sub-belt is parallel to the extension direction of the first belt body, and the contact section elastically abuts against the first sub-belt.

[0030] It is understandable that, since the extension direction of the first sub-belt of the second belt body intersects with the extension direction of the first belt body of the synchronous belt, the extension direction of the second sub-belt of the second belt body is parallel to the extension direction of the first belt body of the synchronous belt. Therefore, the second belt body can present the shape of a broken line belt body. By elastically abutting the contact section of the elastic structure against the first sub-belt of the second belt body, the contact section of the elastic structure and the inflection point in the second belt body (the inflection point can be the inflection point in the second belt body) can be misaligned, and the contact section of the elastic structure can be located to the left of the inflection point in the second belt body, effectively avoiding the problem of the second sub-belt of the second belt body and the first belt body being too close to each other and interfering with each other due to the contact section of the elastic structure being located to the right of the inflection point in the second belt body, which leads to the failure of the synchronous belt. This is conducive to avoiding excessive interference of the elastic structure to the transmission process and ensuring the stability and reliability of the belt transmission.

[0031] In a possible implementation, the sunshade curtain assembly further includes a locking member, which is passed through the fixing section and the fixing seat to fix the elastic structure to the fixing seat, and an extension direction of the locking member is parallel to the second direction.

[0032] It is understandable that by providing a locking member and extending the locking member along the height direction of the sunshade curtain assembly, when the locking member is locked on the fixing seat and the fixing section of the elastic structure, the fixing section of the elastic structure can be locked and the fixing section of the elastic structure can be prevented from moving, so that the elastic structure as a whole has better position stability. In addition, by using the locking member to lock the fixing seat and the fixing section of the elastic structure, the fixing method of the elastic structure and the fixing seat can be optimized, so that the structure of the sunshade curtain assembly is compact and the parts are simple, which is conducive to reducing the procurement cost of the sunshade curtain assembly.

[0033] In a second aspect, the present application further provides a sunroof assembly, the sunroof assembly comprising a sunroof glass and a sunshade curtain assembly as described above, the sunshade curtain assembly being connected to the sunroof glass;

[0034] When the sunroof assembly is installed on a vehicle body, the sunshade curtain assembly is located on the surface of the sunroof glass facing the interior of the vehicle body.

[0035] In a third aspect, the present application further provides a vehicle, comprising a vehicle body and a sunroof assembly as described above, wherein the sunroof assembly is connected to the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 is a structural schematic diagram of a vehicle provided in an embodiment of the present application;

[0037] Figure 2 is a structural schematic diagram of a sunroof assembly provided in an embodiment of the present application;

[0038] Figure 3 yes Figure 2 A schematic diagram of a partial structure of the sunshade curtain assembly shown;

[0039] Figure 4 yes Figure 2 A structural schematic diagram of a part of the sunshade curtain assembly at an angle shown;

[0040] Figure 5 yes Figure 4 The schematic diagram of the assembly structure of the elastic structure and the locking member is shown. DETAILED DESCRIPTION

[0041] For ease of understanding, the terms involved in the embodiments of the present application are first explained.

[0042] And / or: It is just a way to describe the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone.

[0043] Multiple: refers to two or more than two.

[0044] Connection: should be understood in a broad sense. For example, A and B are connected, which can be either direct or indirect through an intermediary.

[0045] The specific implementation of the present application will be clearly described below in conjunction with the accompanying drawings.

[0046] Embodiments of the present application provide a sunshade assembly, a sunroof assembly and a vehicle.

[0047] See also Figure 1 , Figure 1 It is a structural schematic diagram of a vehicle 300 provided in an embodiment of the present application.

[0048] The vehicle 300 may include a vehicle body 310 and a sunroof assembly 200, and the sunroof assembly 200 is connected to the vehicle body 310. For example, the sunroof assembly 200 may be located on the top of the vehicle body 310.

[0049] See also Figure 2 , Figure 2 2 is a schematic diagram of a structure of a sunroof assembly 200 provided in an embodiment of the present application. The sunroof assembly 200 may include a sunroof glass 210 and a sunshade curtain assembly 100 .

[0050] The sunroof glass 210 may be connected to the vehicle body 310 and located at the top of the vehicle body 310. The sunroof glass 210 may include an outer surface 2110 and an inner surface 2120. The outer surface 2110 of the sunroof glass 210 is a surface of the sunroof glass 210 located outside the vehicle 300, and the outer surface 2110 of the sunroof glass 210 and the outer surface of the vehicle body 310 may constitute the appearance surface of the vehicle 300 together. The inner surface 2120 of the sunroof glass 210 is a surface of the sunroof glass 210 located inside the vehicle 300, that is, the surface of the sunroof glass 210 facing the inside of the vehicle. The sunroof glass 210 not only allows external light to enter the inside of the vehicle body 310, but also allows the user to observe the environment outside the vehicle 300 through it. Exemplarily, the sunroof glass 210 may be opened or closed relative to the vehicle body 310. When the sunroof glass 210 is opened relative to the vehicle body 310, the inside and outside of the vehicle body 310 may be connected to each other. When the sunroof glass 210 is closed to the vehicle body 310 , the sunroof glass 210 may isolate the interior and exterior of the vehicle body 310 .

[0051] The sunshade assembly 100 is connected to the inner surface 2120 of the sunroof glass 210. In sunny weather conditions, the sunshade assembly 100 can block the sunroof glass 210 and prevent sunlight from directly entering the interior of the vehicle 300 through the sunroof glass 210, playing a certain role in heat insulation and providing a comfortable experience for passengers or drivers. For example, the sunshade assembly 100 can be fixed to the inner surface 2120 of the sunroof glass 210 by bonding, welding, riveting, etc.

[0052] Please refer to Figure 2 and Figure 3 , Figure 3 yes Figure 2 A schematic diagram of a partial structure of the sunshade curtain assembly 100 is shown. Figure 3 In the figure, the structures of the sunshade assembly 100 such as the reel 20, the guide rail 30, the pull rod 40, the sunshade 50 are only schematic diagrams for the convenience of explaining the positional relationship, and do not represent the actual structure of each component. The sunshade assembly 100 may include a fixing seat 10, a reel 20, a guide rail 30, a pull rod 40, a sunshade 50, a transmission mechanism 60 and an elastic structure 70.

[0053] It should be noted that Figure 2 and Figure 3 The purpose of the above description is only to schematically describe the connection relationship between the fixing seat 10, the reel 20, the guide rail 30, the pull rod 40, the sunshade 50, the transmission mechanism 60 and the elastic structure 70, and it does not specifically limit the connection position, specific structure and quantity of each component. The structure shown in the embodiment of the present application does not constitute a specific limitation on the sunshade assembly 100. In other embodiments of the present application, the sunshade assembly 100 may include Figure 2 and Figure 3 More or fewer components may be shown, or some components may be combined or separated, or the components may be arranged differently. Figure 2 and Figure 3 The components shown may be implemented in hardware, software or a combination of software and hardware.

[0054] For the convenience of description below, the length direction of the sunshade assembly 100 is defined as the X direction (i.e., the first direction) which is equivalent to the unfolding direction of the sunshade 50, the height direction of the sunshade assembly 100 is the Z direction (i.e., the second direction), the width direction of the sunshade assembly 100 is the Y direction (i.e., the third direction), and the X direction, Y direction, and Z direction are arranged perpendicular to each other.

[0055] The fixing seat 10 is connected to the inner surface 2120 of the sunroof glass 210. The number of the fixing seats 10 can be two, and the two fixing seats 10 can be arranged at intervals along the Y direction. The structures of the two fixing seats 10 can be the same or different. Figure 2 In the figure, the structures of the two fixing seats 10 are different as an example, but it should be understood that the present invention is not limited to this.

[0056] At least part of the reel 20 is located between the two fixing seats 10 , and the reel 20 can extend along the Y direction. The reel 20 can rotate around the center line of the reel 20 , wherein the center line of the reel 20 is a rotation center line parallel to the axial direction (Y direction) of the reel 20 .

[0057] The guide rail 30 may extend along the X direction. The guide rail 30 may include a first end 31 and a second end 32, wherein the first end 31 of the guide rail 30 is close to the reel 20, and the second end 32 of the guide rail 30 is away from the reel 20. There may be two guide rails 30, which are spaced apart and arranged opposite to each other along the Y direction.

[0058] The pull rod 40 and the reel 20 are arranged opposite to each other and spaced apart in the X direction, and the pull rod 40 is slidably mounted on the two guide rails 30 and can extend in the Y direction. Specifically, one end of the pull rod 40 is slidably connected to one guide rail 30, and the other end of the pull rod 40 is slidably connected to the other guide rail 30, so that the pull rod 40 as a whole is slidably connected to both guide rails 30, so that the pull rod 40 can move on the two guide rails 30 in the X direction and in the opposite direction of the X direction.

[0059] One end of the sunshade 50 is connected to the reel 20, the sunshade 50 is wound around the reel 20, and the other end of the sunshade 50 is connected to the pull rod 40, so that the sunshade 50 and the pull rod 40 are linked. Specifically, when the pull rod 40 moves along the X direction on the guide rail 30, the sunshade 50 is driven to move along the X direction, so that the sunshade 50 is unfolded to block the skylight glass 210. When the pull rod 40 moves in the opposite direction of the X direction on the guide rail 30, the sunshade 50 is driven to move in the opposite direction of the X direction, so that the sunshade 50 is rolled up to expose the skylight glass 210.

[0060] The transmission mechanism 60 can be arranged parallel to the guide rail 30 and extend along the X direction. The transmission mechanism 60 can be used to realize the movement of the pull rod 40 along the X direction and the opposite direction of the X direction on the guide rail 30. The number of the transmission mechanisms 60 can be two, and the two transmission mechanisms 60 are spaced and arranged opposite to each other along the Y direction.

[0061] The following will take a transmission mechanism 60 as an example to explain in detail the connection relationship between the transmission mechanism 60, the fixing base 10, and the elastic structure 70. In the absence of conflict, the following description of one transmission mechanism 60 can be applied to another transmission mechanism 60.

[0062] Please refer to Figure 2 and Figure 3 The transmission mechanism 60 may include a first pulley 61 , a second pulley 62 and a synchronous belt 63 .

[0063] The first pulley 61 is connected to the end of the reel 20 and is located at the first end 31 of the guide rail 30. The first pulley 61 is also coaxially arranged with the reel 20. The first pulley 61 is coaxially arranged with the reel 20 means that the center line of the first pulley 61 coincides with the center line of the reel 20. Exemplarily, the first pulley 61 can be sleeved on the end of the reel 20.

[0064] The second belt pulley 62 is located at the second end 32 of the guide rail 30 , and the second belt pulley 62 is spaced apart from the first belt pulley 61 in the opposite direction of the X direction.

[0065] The synchronous belt 63 is wound around the outer circumference of the first pulley 61 and the second pulley 62, and is connected between the first pulley 61 and the second pulley 62, so that the first pulley 61 drives the second pulley 62 to rotate through the synchronous belt 63, or the second pulley 62 drives the first pulley 61 to rotate through the synchronous belt 63. Specifically, one end of the synchronous belt 63 is sleeved on the outer side wall of the first pulley 61, and the other end of the synchronous belt 63 is sleeved on the outer side wall of the second pulley 62. When the first pulley 61 drives the second pulley 62 to rotate through the synchronous belt 63, the first pulley 61 is the driving wheel, and the second pulley 62 is the driven wheel. When the second pulley 62 drives the first pulley 61 to rotate through the synchronous belt 63, the second pulley 62 is the driving wheel, and the first pulley 61 is the driven wheel. Exemplarily, the synchronous belt 63 can be an open belt, or the synchronous belt 63 can be a closed annular belt body. Among them, the open belt refers to a belt body with an opening and the two ends are not bonded together.

[0066] In a possible implementation, the sunshade assembly 100 may further include a driving mechanism (not shown). Exemplarily, the number of driving mechanisms may be one or two. When the number of driving mechanisms is one, one driving mechanism may drive two transmission mechanisms 60 to move together. When the number of driving mechanisms is two, the two driving mechanisms are used to drive the two transmission mechanisms 60 respectively. The following description will be given by taking the connection between one driving mechanism and one transmission mechanism 60 as an example. In the absence of conflict, the following description of one driving mechanism may be applied to another driving mechanism.

[0067] The driving mechanism is connected to the first pulley 61 or the second pulley 62. When the driving mechanism is connected to the first pulley 61, the driving mechanism can drive the first pulley 61 to rotate, so as to drive the synchronous belt 63 on the same side, and the first pulley 61 drives the second pulley 62 on the same side to rotate through the synchronous belt 63. When the driving mechanism is connected to the second pulley 62, the driving mechanism can drive the second pulley 62 to rotate, so as to drive the synchronous belt 63 on the same side, and the second pulley 62 drives the first pulley 61 on the same side to rotate through the synchronous belt 63.

[0068] It should be noted that the present embodiment does not limit the position of the driving mechanism, and the driving mechanism can be arranged at the front end or the rear end of the sunshade assembly 100 as needed, so that the space arrangement is more flexible when designing the whole vehicle.

[0069] It can be understood that, since the first pulley 61 can drive the second pulley 62 to rotate through the synchronous belt 63 or the second pulley 62 can drive the first pulley to rotate through the synchronous belt 63, one of the first pulley 61 and the second pulley 62 can be used as a driving pulley in the transmission mechanism 60, and the other can be used as a driven pulley in the transmission mechanism 60. When the first pulley 61 rotates, the first pulley 61 can drive the second pulley 62 on the same side to rotate through the synchronous belt 63 on the same side, or when the second pulley 62 rotates, the second pulley 62 can drive the first pulley 61 on the same side to rotate through the synchronous belt 63 on the same side, so that the synchronous belt 63 can reciprocate along its own extension trajectory and realize the transmission function of the synchronous belt 63.

[0070] In the embodiment of the present application, the synchronous belt 63 can also be fixedly connected to the pull rod 40, so that during the transmission of the synchronous belt 63, the pull rod 40 can be driven to move along the X direction of the guide rail 30 or the opposite direction of the X direction to realize the unfolding or retracting of the sunshade 50, and during the unfolding or retracting process of the sunshade 50, the reel 20 will rotate to support the unfolding or retracting of the sunshade 50. Exemplarily, two sliders (not shown) can be respectively provided at the ends of the pull rod 40. Each slider includes a first fixed portion, a sliding portion, and a second fixed portion connected in sequence. The first fixed portion of the slider is fixedly connected to the end of the pull rod 40, the sliding portion of the slider is slidably connected to the guide rail 30 on the same side, and the second fixed portion of the slider is fixed in the synchronous belt 63. When the first pulley 61 rotates, the second pulley 62 is driven to rotate synchronously through the transmission of the synchronous belt 63. At the same time, the slider fixed on the synchronous belt 63 drives the pull rod 40 to move along the X direction, so that the pull rod 40 pulls the sunshade 50 to move along the X direction to achieve the unfolding of the sunshade 50. Alternatively, the slider fixed on the synchronous belt 63 drives the pull rod 40 to move in the opposite direction of the X direction, so that the pull rod 40 pulls the sunshade 50 to move in the opposite direction of the X direction to achieve the retraction of the sunshade 50.

[0071] In a possible implementation, when the sunshade 50 needs to be unfolded, the sunshade 50 will switch from the retracted state to the unfolded state. At this time, the first pulley 61 can rotate clockwise under the drive of the driving mechanism, and the second pulley 62 can also rotate in the clockwise direction through the transmission of the synchronous belt 63. The pull rod 40 can move along the first end 31 of the guide rail 30 to the second end 32 of the guide rail 30 under the drive of the synchronous belt 63, so that the sunshade 50 is unfolded. When the sunshade 50 needs to be retracted, the sunshade 50 will switch from the unfolded state to the retracted state. At this time, the first pulley 61 can rotate counterclockwise under the drive of the driving mechanism, and the second pulley 62 can also rotate counterclockwise through the transmission of the synchronous belt 63. The pull rod 40 can move along the second end 32 of the guide rail 30 to the first end 31 of the guide rail 30 under the drive of the synchronous belt 63, so that the sunshade 50 is retracted.

[0072] Please refer to Figure 2 and Figure 4 , Figure 4 yes Figure 2 The schematic structural diagram of a partial structure of the sunshade curtain assembly 100 is shown at an angle.

[0073] The synchronous belt 63 may include a first belt body 631, a second belt body 632, a first winding body 633, and a second winding body 634. The first belt body 631 and the second belt body 632 may be arranged opposite to each other and spaced apart in the Z direction. One end of the first winding body 633 is connected to one end of the first belt body 631, the first winding body 633 is wound around the first pulley 61, and the other end of the first winding body 633 is connected to one end of the second belt body 632. One end of the second winding body 634 is connected to the other end of the first belt body 631, the second winding body 634 is wound around the second pulley 62, and the other end of the second winding body 634 is connected to the other end of the second belt body 632. Among them, the first belt body 631 may be the tight side of the synchronous belt 63, and the second belt body 632 may be the loose side of the synchronous belt 63.

[0074] Part of the fixing seat 10 is located on the side of the second belt body 632 away from the first belt body 631, and is spaced apart from the second belt body 632. In other words, in the Z direction, there is a gap area W between the second belt body 632 and the fixing seat 10. The gap area W between the second belt body 632 and the fixing seat 10 is used to set the elastic structure 70. Specifically, the elastic structure 70 is located in the gap area W between the second belt body 632 and the fixing seat 10, one end of the elastic structure 70 is connected to the fixing seat 10, and the other end of the elastic structure 70 is elastically supported by the second belt body 632. The elastic structure 70 is used to support the second belt body 632 to prevent the second belt body 632 of the synchronous belt 63 from sagging and causing transmission failure. Among them, the elastic structure 70 is a component with good elasticity, which can undergo elastic deformation after being compressed and rebound after the pressure is removed. Exemplarily, the elastic structure 70 can be a metal spring.

[0075] It should be noted that in the embodiment of the present application, the number of elastic structures 70 can be two, and the two elastic structures 70 are respectively used to support the two synchronous belts 63 located on both sides of the sunshade 50. The following description will only be given in detail using the structure of one elastic structure 70 as an example. In the absence of conflict, the description of one elastic structure 70 below can be applied to the other elastic structure 70.

[0076] It is understandable that, since the synchronous belt 63 is wound around the first pulley 61 and the second pulley 62, and the first belt body 631 and the second belt body 632 of the synchronous belt 63 are arranged oppositely and spaced apart in the Z direction, one of the first belt body 631 and the second belt body 632 of the synchronous belt 63 is the tight side of the synchronous belt 63, and the other is the loose side of the synchronous belt 63. For the loose side of the synchronous belt 63, it is difficult to have additional supporting force to maintain its close contact with the first pulley 61 and / or the second pulley 62. Therefore, in order to ensure the normal operation of the synchronous belt 63, it is usually necessary to set a tensioning mechanism to adjust the tension of the synchronous belt 63. However, in the related art, the tensioning mechanism capable of adjusting the tension of the synchronous belt 63 has a complex structure and requires too much space in the vehicle.

[0077] Based on this, in the embodiment of the present application, by providing an elastic structure 70 and making the elastic structure 70 located in the gap area W between the second belt body 632 and the fixed seat 10, it is possible to fully utilize the idle space in the sunshade assembly 100 between the second belt body 632 and the fixed seat 10 without occupying other space of the sunshade assembly 100, which is beneficial to reducing the excessive space occupied by the elastic structure 70 in the vehicle and improving the space utilization rate of the sunshade assembly 100.

[0078] On the one hand, since one end of the elastic structure 70 is connected to the fixing seat 10, the position of the fixing seat 10 will not change, so that the one end of the elastic structure 70 can be fixed in the same position and will not change, so that the elastic structure 70 as a whole has better position stability. The other end of the elastic structure 70 elastically abuts against the second belt body 632, and the elastic structure 70 can support the second belt body 632 as the loose side of the synchronous belt 63 due to the better deformation resilience of the elastic structure 70 itself, so that the elastic structure 70 can be used as a tensioning mechanism in the sunshade assembly 100 to provide tensioning force to the loose side of the synchronous belt 63. On the other hand, since the structure of the elastic structure 70 is simple, it can not only simplify the number of parts of the tensioning mechanism in the sunshade assembly 100, but also prevent the synchronous belt 63 from being too loose and failing, and avoid the synchronous belt 63 from being too tense and causing unnecessary stress, so that the synchronous belt 63 as a whole maintains a suitable tensioning state, thereby improving the transmission stability of the synchronous belt 63 and the working stability of the sunshade assembly 100.

[0079] In addition, the use of the synchronous belt 63 for transmission can also reduce the noise of the sunshade assembly 100 during operation, reduce the amplitude of the vibration of the elastic structure 70 caused by the bumps and vibrations of the vehicle 300, and the impact of the vibration of the vehicle 300 during operation on the elastic structure 70 serving as a tensioning mechanism.

[0080] In a possible implementation, the first pulley 61 and the second pulley 62 may both be gears. The inner surface of the synchronous belt 63 is provided with a plurality of mating teeth (not shown), specifically, the plurality of mating teeth are located on the inner surface of the first winding body 633 of the synchronous belt 63, the inner surface of the second winding body 634, the inner surface of the first belt body 631, and the inner surface of the second belt body 632. The plurality of mating teeth mesh with both the first pulley 61 and the second pulley 62. Under this arrangement, the connection between the synchronous belt 63 and the first pulley 61 and the second pulley 62 on the same side can be achieved through the meshing of the first pulley 61, the second pulley 62 and the mating teeth, so that the synchronous belt 63 can achieve the transmission function.

[0081] Please continue reading Figure 2 , Figure 4 and Figure 5 , Figure 5 yes Figure 4 The schematic diagram of the assembly structure of the elastic structure 70 and the locking member 80 is shown. In the embodiment of the present application, the elastic structure 70 may include a fixing section 71 , a connecting section 72 and a contact section 73 .

[0082] The fixing section 71 of the elastic structure 70 is fixed to the fixing seat 10 to achieve relative fixation between the elastic structure 70 and the fixing seat 10. Exemplarily, the fixing section 71 of the elastic structure 70 can be fixed to the fixing seat 10 by bonding, welding or intermediate piece transfer.

[0083] In a possible implementation manner, the fixing section 71 of the elastic structure 70 can be fixed to the fixing seat 10 by means of an intermediate piece. Figure 4 As shown, the sunshade assembly 100 may further include a locking member 80. The extending direction of the locking member 80 is parallel to the Z direction, and the locking member 80 is penetrated through the fixing section 71 of the elastic structure 70 and the fixing seat 10 to fix the elastic structure 70 to the fixing seat 10.

[0084] It is understandable that by providing the locking member 80 and extending the locking member 80 along the Z direction, when the locking member 80 is locked on the fixing seat 10 and the fixing section 71 of the elastic structure 70, the fixing section 71 of the elastic structure 70 can be locked and the fixing section 71 of the elastic structure 70 can be prevented from moving along the X, Y, and Z directions, so that the elastic structure 70 as a whole has better position stability. In addition, by using the locking member 80 to lock the fixing seat 10 and the fixing section 71 of the elastic structure 70, the fixing method of the elastic structure 70 and the fixing seat 10 can be optimized, so that the structure of the sunshade assembly 100 is compact and the parts are simple, which is conducive to reducing the procurement cost of the sunshade assembly 100.

[0085] Please continue reading Figure 2 and Figure 4 In the embodiment of the present application, one end of the connecting section 72 of the elastic structure 70 is connected to the fixed section 71 of the elastic structure 70, and the other end of the connecting section 72 of the elastic structure 70 is connected to the contact section 73 of the elastic structure 70, and the connecting section 72 of the elastic structure 70 is connected between the fixed section 71 of the elastic structure 70 and the contact section 73 of the elastic structure 70. Exemplarily, the connecting section 72 of the elastic structure 70 can be bent and connected between the fixed section 71 of the elastic structure 70 and the contact section 73 of the elastic structure 70.

[0086] The contact section 73 of the elastic structure 70 elastically abuts against the second belt body 632 of the synchronous belt 63, specifically, elastically abuts against the outer surface of the second belt body 632 of the synchronous belt 63. The contact section 73 of the elastic structure 70 can drive the connection section 72 of the elastic structure 70 to move along the Z direction and the opposite direction of the Z direction. Specifically, since there is an acting force between the contact section 73 of the elastic structure 70 and the second belt body 632 of the synchronous belt 63, under the action of the acting force between the contact section 73 of the elastic structure 70 and the second belt body 632 of the synchronous belt 63, the contact section 73 of the elastic structure 70 can drive the connection section 72 of the elastic structure 70 to move downward along the Z direction to generate elastic deformation, and the contact section 73 of the elastic structure 70 can also drive the connection section 72 of the elastic structure 70 to rebound upward along the opposite direction of the Z direction.

[0087] It is understandable that after the synchronous belt 63 is installed, the elastic structure 70 is installed on the fixing seat 10, and the elastic structure 70 is adjusted so that the elastic structure 70 and the second belt body 632 of the synchronous belt 63 are elastically abutted. At this time, the second belt body 632 of the synchronous belt 63 will exert a certain force on the elastic structure 70, causing the elastic structure 70 to produce elastic deformation and give a pre-tightening force to the second belt body 632 of the synchronous belt 63. During the operation of the synchronous belt 63, if the second belt body 632 of the synchronous belt 63 is relaxed downward, the pre-deformed elastic structure 70 will bounce upward to achieve the effect of tensioning the second belt body 632 of the synchronous belt 63 as the loose side.

[0088] In a possible application scenario, Figure 4 and Figure 5 As shown, one end of the contact segment 73 of the elastic structure 70 is connected to the connecting segment 72 of the elastic structure 70 , the contact segment 73 of the elastic structure 70 is bent in the direction away from the second belt body 632 of the synchronous belt 63 , and the other end of the contact segment 73 of the elastic structure 70 is toward the fixing seat 10 .

[0089] Under this setting, the contact section 73 of the elastic structure 70 can be bent, and by bending the contact section 73 of the elastic structure 70, a larger contact area can be formed between the contact section 73 of the elastic structure 70 and the second belt body 632 of the synchronous belt 63. In addition, by making the end of the contact section 73 of the elastic structure 70 away from the connecting section 72 of the elastic structure 70 face away from the second belt body 632 of the synchronous belt 63, it is possible to avoid the problem that the synchronous belt 63 is worn and fails due to the end of the contact section 73 of the elastic structure 70 away from the connecting section 72 of the elastic structure 70 directly contacting the second belt body 632 of the synchronous belt 63.

[0090] In the embodiment of the present application, the surface where the contact section 73 of the elastic structure 70 contacts the second belt body 632 of the synchronous belt 63 can be a plane. Under this setting, there can be a large contact area between the contact section 73 of the elastic structure 70 and the second belt body 632 of the synchronous belt 63 to ensure that the elastic structure 70 can stably support the second belt body 632 of the synchronous belt 63.

[0091] Or, if Figure 5 As shown, the surface where the contact segment 73 of the elastic structure 70 contacts the second belt body 632 can be an arc surface. Under this setting, there can be less friction between the contact segment 73 of the elastic structure 70 and the second belt body 632 of the synchronous belt 63, so that the elastic structure 70 will not accelerate the wear of the second belt body 632 of the synchronous belt 63, which is conducive to extending the working life of the synchronous belt 63.

[0092] Please continue reading Figure 2 , Figure 4 and Figure 5, the second belt body 632 of the synchronous belt 63 may include a first sub-belt 6321 and a second sub-belt 6322. One end of the first sub-belt 6321 of the second belt body 632 is connected to the first winding body 633 of the synchronous belt 63, and the other end of the first sub-belt 6321 of the second belt body 632 is connected to the second sub-belt 6322 of the second belt body 632. The extension direction of the first sub-belt 6321 of the second belt body 632 intersects with the extension direction of the first belt body 631 of the synchronous belt 63, and the extension direction of the second sub-belt 6322 of the second belt body 632 is parallel to the extension direction of the first belt body 631 of the synchronous belt 63. The contact section 73 of the elastic structure 70 elastically resists the first sub-belt 6321 of the second belt body 632. Among them, the connection point between the first sub-belt 6321 of the second belt body 632 and the second sub-belt 6322 of the second belt body 632 is the folding point S of the second belt body 632.

[0093] It can be understood that, since the extension direction of the first sub-belt 6321 of the second belt body 632 intersects with the extension direction of the first belt body 631 of the synchronous belt 63, the extension direction of the second sub-belt 6322 of the second belt body 632 is parallel to the extension direction of the first belt body 631 of the synchronous belt 63. Therefore, the second belt body 632 can present the shape of a broken line belt body. By elastically abutting the contact section 73 of the elastic structure 70 against the first sub-belt 6321 of the second belt body 632, the contact section 73 of the elastic structure 70 and the inflection point S in the second belt body 632 (the inflection point S may be an inflection point in the second belt body 632) can be offset and the contact section 73 of the elastic structure 70 can be located to the left of the inflection point S in the second belt body 632, thereby effectively preventing the second sub-belt 6322 of the second belt body 632 and the first belt body 631 from being too close to each other and causing failure of the synchronous belt 63. This helps to prevent the elastic structure 70 from causing excessive interference to the transmission process and ensure the stability and reliability of the belt transmission.

[0094] In summary, the synchronous belt 63 can connect the first pulley 61, the second pulley 62 and the slider on the pull rod 40 on the same side in series into a closed loop, and tension them through the elastic structure 70 on the same side. During the power drive of the driving mechanism, the power can be transmitted through the synchronous belt 63 to achieve the synchronous movement of the reel 20 and the pull rod 40, thereby achieving the unfolding and retracting of the sunshade 50.

[0095] The embodiments of the present application are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A sunshade curtain assembly, characterized in that: The sunshade curtain assembly comprises: reel; a first pulley and a second pulley, wherein the first pulley is connected to an end of the reel and is coaxially arranged with the reel, and the second pulley is arranged opposite to and spaced from the first pulley in a first direction, wherein the first direction is a length direction of the sunshade assembly; A synchronous belt, wherein the synchronous belt is connected between the first pulley and the second pulley, so that the first pulley drives the second pulley to rotate through the synchronous belt, or the second pulley drives the first pulley to rotate through the synchronous belt, the synchronous belt comprises a first belt body and a second belt body, the first belt body and the second belt body are arranged at intervals in a second direction, the second direction is arranged perpendicular to the first direction, and the second direction is the height direction of the sunshade assembly; A fixing seat, part of which is located on a side of the second belt body away from the first belt body and is spaced apart from the second belt body; and An elastic structure is located in a gap area between the second belt body and the fixing seat, one end of the elastic structure is connected to the fixing seat, and the other end of the elastic structure elastically abuts against the second belt body.

2. The sunshade assembly according to claim 1, characterized in that: The elastic structure includes a fixed section, a connecting section and a contact section, the fixed section is fixed to the fixed seat, the contact section elastically abuts against the second belt body, the connecting section is connected between the fixed section and the contact section, and the contact section can drive the connecting section to move along the second direction and the opposite direction of the second direction.

3. The sunshade assembly according to claim 2, characterized in that: One end of the contact segment is connected to the connecting segment, the contact segment is bent in a direction away from the second belt body, and the other end of the contact segment faces the fixing seat.

4. The sunshade assembly according to claim 2, characterized in that: The surface of the contact section in contact with the second belt body is a curved surface.

5. The sunshade assembly according to claim 2, characterized in that: The surface of the contact section in contact with the second belt body is a plane.

6. The sunshade curtain assembly according to any one of claims 2 to 5, characterized in that: The synchronous belt also includes a first winding body and a second winding body; One end of the first winding body is connected to one end of the first belt body, the first winding body is wound around the first pulley, and the other end of the first winding body is connected to one end of the second belt body; One end of the second winding body is connected to the other end of the first belt body, the second winding body is wound around the second pulley, and the other end of the second winding body is connected to the other end of the second belt body; The inner surfaces of the first winding body, the second winding body, the first belt body and the second belt body are provided with a plurality of matching teeth, and the plurality of matching teeth are meshed with both the first pulley and the second pulley.

7. The sunshade assembly according to claim 6, characterized in that: The second belt body includes a first sub-belt and a second sub-belt, one end of the first sub-belt is connected to the first winding body, the other end of the first sub-belt is connected to the second sub-belt, the extension direction of the first sub-belt intersects with the extension direction of the first belt body, the extension direction of the second sub-belt is parallel to the extension direction of the first belt body, and the contact section elastically resists against the first sub-belt.

8. The sunshade assembly according to any one of claims 2 to 5, characterized in that: The sunshade curtain assembly also includes a locking member, which is inserted into the fixing section and the fixing seat to fix the elastic structure to the fixing seat, and an extending direction of the locking member is parallel to the second direction.

9. A sunroof assembly, characterized in that: The sunroof assembly comprises a sunroof glass and a sunshade curtain assembly as claimed in any one of claims 1 to 8, wherein the sunshade curtain assembly is connected to the sunroof glass; When the sunroof assembly is installed on a vehicle body, the sunshade curtain assembly is located on the surface of the sunroof glass facing the interior of the vehicle body.

10. A vehicle, characterized in that: The vehicle includes a vehicle body and the sunroof assembly of claim 9, the sunroof assembly being connected to the vehicle body.

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