Central guide rail and vehicle

Abstract

This utility model relates to a central guide rail and a vehicle. The central guide rail includes a first linear guide rail, a second linear guide rail, and a curved guide rail. The first linear guide rail, the second linear guide rail, and the curved guide rail are formed separately, and are connected sequentially. The central guide rail of this utility model includes two linear guide rails and one curved guide rail. Since the three guide rails are formed separately, there is no need to use a bending process to form the curved section of the central guide rail. This avoids the quality problems caused by bending the central guide rail in related technologies, and consequently prevents abnormal noises from the sliding door during operation.

Description

Technical Field

[0001] This utility model relates to the field of vehicle technology, specifically to a central guide rail and a vehicle. Background Technology

[0002] Sliding door vehicles refer to vehicles with a side-sliding door design. A central guide rail is installed on the vehicle body, and a central hinge is installed on the sliding door. The central hinge matches the central guide rail, and the relative movement of the two achieves the opening and closing of the sliding door. However, in related technologies, the curved section of the central guide rail is prone to quality problems such as concave load-bearing surfaces, out-of-tolerance opening dimensions of the guide surface, and uneven guide surfaces, which can cause abnormal noises during the operation of the sliding door. Utility Model Content

[0003] This utility model aims to at least partially solve one of the technical problems in the related art.

[0004] Therefore, embodiments of this utility model propose a central guide rail that can avoid the technological drawbacks of integral guide rails in related technologies, ensure the quality of the curved section, and prevent abnormal noises from occurring during the operation of the sliding door.

[0005] An embodiment of this utility model proposes a vehicle.

[0006] According to an embodiment of the present invention, the guide rail includes a first linear guide rail, a second linear guide rail, and a curved section guide rail. The first linear guide rail, the second linear guide rail, and the curved section guide rail are formed separately, and the first linear guide rail, the curved section guide rail, and the second linear guide rail are connected in sequence.

[0007] The central guide rail of this utility model embodiment includes two linear guide rails and one curved guide rail. The three guide rails are formed separately, without the need to use a bending process to form the curved section of the central guide rail. This avoids the quality problems of the curved section caused by bending the central guide rail in related technologies, and thus avoids abnormal noises from the sliding door during operation.

[0008] In some embodiments, the first linear guide has a first connecting end, the second linear guide has a second connecting end, and the curved section guide has a third connecting end and a fourth connecting end disposed opposite to each other, the third connecting end being inserted into the first connecting end, and the fourth connecting end being inserted into the second connecting end.

[0009] In some embodiments, the curved guide rail includes an injection-molded substrate and a metal sheet;

[0010] The first connecting end is provided with a first connecting hole, and one end of the injection-molded substrate is provided with the metal sheet, which is fitted and installed in the first connecting hole; and / or,

[0011] The second connecting end is provided with a second connecting hole, and the other end of the injection molded substrate is provided with the metal sheet, which is fitted into the second connecting hole.

[0012] In some embodiments, the metal sheet has a first insertion portion, a fixing portion, and a second insertion portion arranged in sequence. The fixing portion is located in the injection molding matrix, and the first insertion portion and the second insertion portion are respectively located on the outside of the injection molding matrix. The first insertion portion is fitted into the first connecting hole, and the second insertion portion is fitted into the second connecting hole.

[0013] In some embodiments, the extending direction of the fixing portion is the same as the extending direction of the injection molded substrate; and / or, the extending direction of the first insertion portion is the same as the extending direction of the first linear guide; and / or, the extending direction of the second insertion portion is the same as the extending direction of the second linear guide.

[0014] In some embodiments, the curved guide rail has a load-bearing portion, and the fixing portion is located on the load-bearing portion.

[0015] In some embodiments, the first linear guide rail, the curved section guide rail, and the second linear guide rail each have a guide portion, a connecting portion, a load-bearing portion, and a clearance portion. The guide portion and the load-bearing portion are respectively located on both sides of the middle guide rail in the load-bearing direction of the middle guide rail, and the guide portion, the connecting portion, the load-bearing portion, and the clearance portion are arranged in sequence.

[0016] The first connecting end has a first groove in the guide portion, a second groove in the clearance portion, a third connecting end has a third groove in the guide portion, and a fourth groove in the clearance portion. The first connecting end and the third connecting end are connected by the mating of the first groove and the third groove, and by the mating of the fourth groove and the second groove. The first groove and the second groove are both located inside the middle guide rail, and the third groove and the fourth groove are both located outside the middle guide rail; or, the first groove and the second groove are both located outside the middle guide rail, and the third groove and the fourth groove are both located inside the middle guide rail.

[0017] And / or,

[0018] The second connecting end has a fifth groove in the guide portion, a sixth groove in the clearance portion, a seventh groove in the guide portion, and an eighth groove in the clearance portion. The second connecting end and the fourth connecting end are connected by the mating of the fifth groove and the seventh groove, and the mating of the sixth groove and the eighth groove. The fifth groove and the sixth groove are both located inside the middle guide rail, and the seventh groove and the eighth groove are both located outside the middle guide rail; or, the fifth groove and the sixth groove are both located outside the middle guide rail, and the seventh groove and the eighth groove are both located inside the middle guide rail.

[0019] In some embodiments, the first connecting end is provided with a ninth groove in the connecting portion, and the third connecting end is provided with a tenth groove in the connecting portion. The first connecting end and the third connecting end are connected by the mating of the ninth groove and the tenth groove. The ninth groove is located inside the middle guide rail, and the tenth groove is located outside the middle guide rail; or, the ninth groove is located outside the middle guide rail, and the tenth groove is located inside the middle guide rail.

[0020] And / or,

[0021] The second connecting end has an eleventh groove in the connecting portion, and the fourth connecting end has a twelfth groove in the connecting portion. The second connecting end and the fourth connecting end are connected by the mating of the eleventh groove and the twelfth groove. The eleventh groove is located inside the middle guide rail, and the twelfth groove is located outside the middle guide rail; or, the eleventh groove is located outside the middle guide rail, and the twelfth groove is located inside the middle guide rail.

[0022] In some embodiments, both the first linear guide and the second linear guide are provided with mounting holes for connection to the vehicle body.

[0023] A vehicle according to an embodiment of the present invention includes a vehicle body and a central guide rail, wherein the central guide rail is connected to the vehicle body.

[0024] One embodiment of this utility model provides a vehicle that can prevent abnormal noises from the sliding door during operation. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the guide rail in an embodiment of this utility model;

[0026] Figure 2 This is an exploded structural diagram of the guide rail in an embodiment of the present invention, wherein only a portion of the second linear guide rail is shown;

[0027] Figure 3 This is a schematic diagram of the curved guide rail according to an embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram showing the disassembled structure of the injection-molded substrate and the metal sheet according to an embodiment of the present invention.

[0029] Figure 5 This is one of the structural schematic diagrams of the first linear guide rail according to an embodiment of this utility model;

[0030] Figure 6 This is the second structural schematic diagram of the first linear guide rail according to an embodiment of this utility model;

[0031] Figure label:

[0032] 100. Center guide rail; 1001. Guide section; 1002. Connecting section; 1003. Load-bearing section; 1004. Clearance section; 1005. Mounting hole;

[0033] 1. First linear guide rail; 11. First connecting end; 111. First connecting hole; 112. First groove; 1121. First groove segment; 1122. Second groove segment; 1123. Third groove segment; 1124. Fourth groove segment; 1125. Fifth groove segment; 1126. First through groove segment.

[0034] 113. Second groove; 114. Ninth groove

[0035] 2. Second linear guide rail; 21. Second connecting end; 211. Second connecting hole; 212. Fifth groove; 213. Sixth groove; 214. Eleventh groove.

[0036] 3. Curved guide rail; 31. Third connecting end; 311. Third groove; 312. Fourth groove; 3121. Sixth groove segment; 3122. Seventh groove segment; 3123. Second through groove segment; 32. Fourth connecting end; 322. Eighth groove; 33. Injection molded base; 34. Metal sheet; 341. First insertion part; 342. Fixing part; 343. Second insertion part. Detailed Implementation

[0037] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0038] The following is a reference to the appendix. Figures 1 to 6 The present invention describes in detail the guide rail 100 and the vehicle in the embodiments of the present invention.

[0039] like Figure 1 and Figure 2As shown, the guide rail 100 in this embodiment of the present invention includes a first linear guide rail 1, a curved guide rail 3, and a second linear guide rail 2. The first linear guide rail 1, the second linear guide rail 2, and the curved guide rail 3 are separately formed, and are connected sequentially. The first linear guide rail 1 and the second linear guide rail 2 are both linear guide rails, and the curved guide rail 3 has a curved section.

[0040] The central guide rail 100 of this utility model embodiment includes two linear guide rails (first linear guide rail 1 and second linear guide rail 2) and a curved section guide rail 3. The three guide rails are manufactured and formed separately, without the need to use the bending process in related technologies to form the curved section of the central guide rail 100. This avoids the quality problems of the curved section caused by bending the central guide rail 100 in related technologies, and thus avoids abnormal noises from the sliding door during operation.

[0041] The curved guide rail 3 can be manufactured using a closed-mold forming process, such as injection molding or die casting. Both the first linear guide rail 1 and the second linear guide rail 2 are made of metal. The first linear guide rail 1 can be manufactured using aluminum extrusion, carbon steel rolling, or stainless steel rolling processes, and the second linear guide rail 2 can also be manufactured using aluminum extrusion, carbon steel rolling, or stainless steel rolling processes.

[0042] In some embodiments, such as Figure 2 As shown, the first linear guide rail 1 has a first connecting end 11, the second linear guide rail 2 has a second connecting end 21, and the curved section guide rail 3 has a third connecting end 31 and a fourth connecting end 32 arranged opposite to each other. The third connecting end 31 is inserted into the first connecting end 11, and the fourth connecting end 32 is inserted into the second connecting end 21. The two ends of the curved section guide rail 3 are respectively inserted into the first linear guide rail 1 and the second linear guide rail 2. The insertion connection method can increase the contact area between the third connecting end 31 and the first connecting end 11, and increase the contact area between the fourth connecting end 32 and the second connecting end 21, thereby improving the connection strength between the curved section guide rail 3 and the first linear guide rail 1, and improving the connection strength between the curved section guide rail 3 and the second linear guide rail 2. In turn, it improves the overall strength of the middle guide rail 100 in this embodiment of the present invention, and improves the stability and reliability of the middle guide rail 100.

[0043] In some embodiments, such as Figures 2 to 4 As shown, the curved guide rail 3 includes an injection-molded base 33 and a metal sheet 34.

[0044] The injection-molded substrate 33 is made of plastic as raw material through injection molding. As the main body of the curved guide rail 3, the injection-molded substrate 33 ensures that the dimensional accuracy of the curved guide rail 3 meets the design requirements, avoiding the quality problems of the curved section in related technologies. On the other hand, the use of plastic material for the main body of the curved guide rail 3, compared with the stainless steel material used for the central guide rail 100 in related technologies, reduces the weight of the curved guide rail 3, thereby reducing the weight of the central guide rail 100 in this embodiment of the present invention. This gives the central guide rail 100 of this embodiment the advantage of being lightweight, which is beneficial for improving the fuel efficiency of the vehicle or increasing the driving range of the vehicle.

[0045] Specifically, the injection-molded matrix 33 is made of rigid plastic, such as nylon or ABS plastic (a terpolymer of acrylonitrile, butadiene, and styrene).

[0046] The first connecting end 11 is provided with a first connecting hole 111, and one end of the injection molding substrate 33 is provided with a metal sheet 34, which is fitted into the first connecting hole 111. A portion of the metal sheet 34 is located within the injection molding substrate 33, and the other portion is located within the first linear guide rail 1. On the one hand, the metal sheet 34 being located within the injection molding substrate 33 enhances the structural strength of the injection molding substrate 33. On the other hand, the metal sheet 34 increases the contact area between the first linear guide rail 1 and the curved guide rail 3, thereby improving the connection strength and stability between the first linear guide rail 1 and the curved guide rail 3, thus enhancing the overall strength of the middle guide rail 100 in this embodiment of the invention, and consequently improving the stability and reliability of the middle guide rail 100 in this embodiment of the invention.

[0047] The second connecting end 21 is provided with a second connecting hole 211, and the other end of the injection molding substrate 33 is provided with a metal sheet 34, which is fitted into the second connecting hole 211. A portion of the metal sheet 34 is located within the injection molding substrate 33, and the other portion is located within the second linear guide rail 2. On the one hand, the metal sheet 34 being located within the injection molding substrate 33 enhances the structural strength of the injection molding substrate 33. On the other hand, the metal sheet 34 increases the contact area between the second linear guide rail 2 and the curved guide rail 3, thereby improving the connection strength and stability between the first linear guide rail 1 and the curved guide rail 3, thus enhancing the overall strength of the middle guide rail 100 in this embodiment of the invention, and consequently improving the stability and reliability of the middle guide rail 100 in this embodiment of the invention.

[0048] Specifically, the injection molded substrate 33 is the main body of the curved guide rail 3. Correspondingly, the third connecting end 31 of the curved guide rail 3 is located at one end of the injection molded substrate 33, and the fourth connecting end 32 of the curved guide rail 3 is located at the other end of the injection molded substrate 33.

[0049] In some embodiments, such as Figure 3 and Figure 4 As shown, the metal sheet 34 has a first insertion part 341, a fixing part 342, and a second insertion part 343 arranged sequentially. The fixing part 342 is located inside the injection-molded substrate 33, and the first insertion part 341 and the second insertion part 343 are located on the outside of the injection-molded substrate 33, respectively. The first insertion part 341 is fitted into the first connecting hole 111, and the second insertion part 343 is fitted into the second connecting hole 211. The metal sheet 34 penetrates the injection-molded substrate 33, further enhancing the structural strength of the injection-molded substrate 33 and the curved guide rail 3, ensuring that the curved guide rail 3 can withstand the weight of the sliding door. Furthermore, the curved guide rail 3 connects two linear guide rails (the first linear guide rail 1 and the second linear guide rail 2) through a metal sheet 34, which also helps improve the integration and connection stability of the connected curved guide rail 3 and the two linear guide rails, further enhancing the stability and reliability of the guide rail 100 in this embodiment of the invention.

[0050] Specifically, before processing the curved guide rail 3, the first linear guide rail 1 and the second linear guide rail 2 are processed first. The two ends of the metal sheet 34 are respectively inserted and fixed to the first linear guide rail 1 and the second linear guide rail 2. Then, the curved guide rail 3 is prepared by insert injection molding process, and the connection between the curved guide rail 3, the first linear guide rail 1 and the second linear guide rail 2 is realized at the same time.

[0051] Specifically, the extension direction of the fixing part 342 is the same as the extension direction of the injection molding substrate 33, and the shape of the fixing part 342 is adapted to the shape of the injection molding substrate 33, so that the structural strength of the injection molding substrate 33 is the same in its extension direction, avoiding the injection molding substrate 33 having a weaker area in its extension direction compared to other places, which helps to ensure that the wear degree of the curved guide rail 3 is equal in its extension direction, and ensures the service life of the curved guide rail 3.

[0052] The first insertion portion 341 extends in the same direction as the first linear guide rail 1. The second insertion portion 343 extends in the same direction as the second linear guide rail 2. Since the first insertion portion 341 and the second insertion portion 343 are both straight sections, and the first connecting hole 111 and the second connecting hole 211 are rectangular and relatively regular holes, it facilitates the machining of the first connecting hole 111 on the first straight section of the guide rail and the machining of the second connecting hole 211 on the second straight section of the guide rail, thereby improving the machining efficiency of the guide rail 100 in this embodiment of the present invention.

[0053] Specifically, the length of the first connector 341 is 20-60mm, meaning the length of the metal piece 34 within the first linear guide 1 is 20-60mm. The length of the second connector 343 is 20-60mm, meaning the length of the metal piece 34 within the second linear guide 2 is 20-60mm.

[0054] For example, the length of the first connector 341 is 20mm, 30mm, 40mm, 50mm, or 60mm. The length of the second connector 343 is 20mm, 30mm, 40mm, 50mm, or 60mm.

[0055] In some embodiments, the curved guide rail 3 has a load-bearing portion 1003, and a fixing portion 342 is located on the load-bearing portion 1003. The load-bearing portion 1003 of the curved guide rail 3 is the main load-bearing part of the curved guide rail 3. The fixing portion 342 located on the load-bearing portion 1003 can increase the structural strength of the injection molded substrate 33 on its load-bearing portion 1003, ensure that the strength of the curved guide rail 3 can withstand the weight of the sliding door, and improve the stability and reliability of the middle guide rail 100.

[0056] Specifically, the material of the metal plate 34 is the same as that of the two linear guides, or the material of the metal plate 34 is different from that of the two linear guides. For example, the metal plate 34 may be made of aluminum alloy, carbon steel, or stainless steel.

[0057] like Figure 1 As shown, the first linear guide rail 1, the curved section guide rail 3, and the second linear guide rail 2 each have a guide portion 1001, a connecting portion 1002, a load-bearing portion 1003, and a clearance portion 1004. The guide portion 1001 and the load-bearing portion 1003 are respectively located on both sides of the middle guide rail 100 in the load-bearing direction of the middle guide rail 100. The guide portion 1001, the connecting portion 1002, the load-bearing portion 1003, and the clearance portion 1004 are arranged sequentially. Figure 1 In the orientation shown, the load-bearing direction of the central guide rail 100 is vertical. The guide part 1001 is located on the upper side of the central guide rail 100, and the load-bearing part 1003 and the clearance part 1004 are located on the lower side of the central guide rail 100. The guide part 1001, the connecting part 1002, the load-bearing part 1003, and the clearance part 1004 are arranged sequentially to enclose the track space. In addition, the central guide rail 100 (or track space) has an extension direction and a width direction, wherein the extension direction is the length direction of the central guide rail 100 (or track space), and the extension direction is orthogonal to the width direction and the load-bearing direction (or vertical direction).

[0058] like Figure 2 , Figure 5 and Figure 6 As shown, the first connecting end 11 has a first groove 112 in the guide portion 1001, a second groove 113 in the clearance portion 1004, and the third connecting end 31 has a third groove 311 in the guide portion 1001 and a fourth groove 312 in the clearance portion 1004. The first connecting end 11 and the third connecting end 31 are connected by the mating of the first groove 112 and the third groove 311, and by the mating of the fourth groove 312 and the second groove 113.

[0059] The third groove 311 mates with the first groove 112, that is, the third connecting end 31 is inserted into the first groove 112 of the first connecting end 11 in the area where the third groove 311 is formed, and the wall surface of the third groove 311 of the third connecting end 31 abuts against the wall surface of the first groove 112 of the first connecting end 11. The fourth groove 312 mates with the second groove 113, that is, the third connecting end 31 is inserted into the second groove 113 of the first connecting end 11 in the area where the fourth groove 312 is formed, and the wall surface of the fourth groove 312 of the third connecting end 31 abuts against the wall surface of the second groove 113 of the first connecting end 11.

[0060] Regarding the docking of the first groove 112 and the third groove 311, and the docking of the second groove 113 and the fourth groove 312, it should be noted that, at the same time as the grooves are formed, the location (solid) of the grooves can also be considered as a protrusion, for example, Figure 5 and Figure 6 For ease of illustration, the first groove 112 and the second groove 113 are shaded. The solid part where the first groove 112 is located (that is, the area where the shaded line is located) can also be regarded as the first protrusion of the first connecting end 11. The docking of the first groove 112 and the third groove 311 can be understood as the insertion and mating of the first protrusion and the third groove 311. In addition, the docking of other grooves mentioned below is also understood in this way, and will not be elaborated further below.

[0061] In this embodiment, the first groove 112 and the second groove 113 are both located on the outer side of the middle guide rail 100, and the third groove 311 and the fourth groove 312 are both located on the inner side of the middle guide rail 100. In other embodiments, the first groove 112 and the second groove 113 are both located on the inner side of the middle guide rail 100, and the third groove 311 and the fourth groove 312 are both located on the outer side of the middle guide rail 100.

[0062] The first groove 112 and the second groove 113 of the first connecting end 11 are located on the same side of the middle rail (both on the outer side or both on the inner side). When the first connecting end 11 and the third connecting end 31 are inserted and engaged, they can form an interlocking structure. When the curved guide rail 3 is subjected to downward gravity, the clearance part 1004 of the third connecting end 31 tends to disengage from the clearance part 1004 of the first connecting end 11. Meanwhile, the guide part 1001 of the first connecting end 11 prevents the guide part 1001 of the third connecting end 31 from moving downward. The contact force between the guide part 1001 of the third connecting end 31 and the guide part 1001 of the first connecting end 11 increases, thereby forming an interlocking structure in the vertical direction. This prevents the curved guide rail 3 from disengaging from the first linear guide rail 1, further ensuring the stability of the connection between the curved guide rail 3 and the first linear guide rail 1, and improving the stability and reliability of the middle guide rail 100.

[0063] It should be noted that the central guide rail 100 forms a track space around it. The inner and outer sides of the central guide rail 100 are divided by the track space. The track space formed by the central guide rail 100 is the inner side of the central guide rail 100. Specifically, the wall forming the track and the wall adjacent to the track in its thickness direction are the inner side of the central guide rail 100. Correspondingly, the wall away from the track in its thickness direction is the outer side of the central guide rail 100.

[0064] Specifically, such as Figure 5 and Figure 6 As shown, the first connecting end 11 forms a first groove 112 by milling away a portion of the thickness of the guide portion 1001 along its contour on the outside of the guide portion 1001 (for example, milling away half the thickness of the guide portion 1001). According to the contour of the guide portion 1001, the first groove 112 has a first groove segment 1121, a second groove segment 1122, a third groove segment 1123, a fourth groove segment 1124, and a fifth groove segment 1125 arranged sequentially. The thickness directions of the first connecting end 11 in the first groove segment 1121, the third groove segment 1123, and the fifth groove segment 1125 are all the same as the vertical direction. The thickness directions of the first connecting end 11 in the second groove segment 1122 and the fourth groove segment 1124 are both the same as the width direction of the track, wherein the width direction of the track is perpendicular to the vertical direction. Correspondingly, the third groove 311 matches the shape of the first groove 112.

[0065] Furthermore, the second groove segment 1122 and the fourth groove segment 1124 of the first groove 112 are located on both sides of the middle guide rail 100 in its width direction. When the first connecting end 11 and the third connecting end 31 are inserted and engaged, they can also form an interlocking form: when the curved guide rail 3 is subjected to a force in its width direction, the curved guide rail 3 tends to disengage at the position of one of the second groove segment and the fourth groove segment, but is pressed at the position of the other of the second groove segment and the fourth groove segment, thereby forming a set of interlocking structures in the width direction, further preventing the curved guide rail 3 from disengaging from the first linear guide rail 1, further ensuring the stability of the connection between the curved guide rail 3 and the first linear guide rail 1, and improving the stability and reliability of the middle guide rail 100.

[0066] Furthermore, the first groove 112 also includes a first through groove section 1126, which is located at the end of the first groove section 1121 away from the second groove section 1122. The first through groove section 1126 penetrates the guide portion 1001 in the vertical direction. The first through groove section 1126 increases the surface area of ​​the first connecting end 11 at the edge of the first groove section 1121, thereby further increasing the contact area between the first connecting end 11 and the third connecting end 31. This is beneficial to further improve the connection strength between the first connecting end 11 and the third connecting end 31, further improve the stability of the connection between the curved guide rail 3 and the first linear guide rail 1, and further improve the stability and reliability of the middle guide rail 100.

[0067] Specifically, such as Figures 3 to 5 As shown, the third connecting end 31 has a portion of its thickness milled away from the inner side of the clearance portion 1004 along its contour (for example, half the thickness of the clearance portion 1004 is milled away) to form a fourth groove 312. The fourth groove 312 includes a sixth groove segment 3121, a seventh groove segment 3122, and a second through groove segment 3123 arranged sequentially. The sixth groove segment 3121 is located on the side of the clearance portion 1004 adjacent to the load-bearing portion 1003, and the second through groove segment 3123 is located on the side of the clearance portion 1004 opposite to the load-bearing portion 1003. The second through groove section 3123 penetrates the avoidance part 1004 in the vertical direction. The second through groove section 3123 increases the surface area of ​​the third connecting end 31 at the edge of the fourth groove 312, thereby further increasing the contact area between the first connecting end 11 and the third connecting end 31. This is beneficial to further improve the connection strength between the first connecting end 11 and the third connecting end 31, further improve the stability of the connection between the curved guide rail 3 and the first linear guide rail 1, and further improve the stability and reliability of the middle guide rail 100.

[0068] like Figure 2 As shown, the second connecting end 21 has a fifth groove 212 in the guide portion 1001 and a sixth groove 213 in the clearance portion 1004. The fourth connecting end 32 has a seventh groove (not shown) in the guide portion 1001 and an eighth groove 322 in the clearance portion 1004. The second connecting end 21 and the fourth connecting end 32 are connected by the mating of the fifth groove 212 and the seventh groove, and the mating of the sixth groove 213 and the eighth groove 322. The fifth groove 212 and the sixth groove 213 are both located on the outer side of the middle guide rail 100, while the seventh groove and the eighth groove 322 are both located on the inner side of the middle guide rail 100. In some other embodiments, the fifth groove 212 and the sixth groove 213 are both located on the inner side of the middle guide rail 100, while the seventh groove and the eighth groove 322 are both located on the outer side of the middle guide rail 100.

[0069] The fifth groove 212 and the sixth groove 213 of the second connecting end 21 are located on the same side of the middle rail (both on the outer side or both on the inner side). When the second connecting end 21 and the fourth connecting end 32 are inserted and engaged, they form an interlocking structure in the vertical direction to prevent the curved section guide rail 3 from disengaging from the first linear guide rail 1, further ensuring the stability of the connection between the curved section guide rail 3 and the first linear guide rail 1, and improving the stability and reliability of the middle guide rail 100.

[0070] Specifically, in Figure 2In the embodiment shown, the first groove 112 and the fifth groove 212 have the same structure, the second groove 113 and the sixth groove 213 have the same structure, and correspondingly, the third groove 311 and the seventh groove have the same structure, and the fourth groove 312 and the eighth groove 322 have the same structure.

[0071] In some embodiments, such as Figure 2 , Figure 3 and Figure 5 As shown, the first connecting end 11 has a ninth groove 114 in the connecting part 1002, and the third connecting end 31 has a tenth groove (not shown in the figure) in the connecting part 1002. The first connecting end 11 and the third connecting end 31 are connected by the mating of the ninth groove 114 and the tenth groove, thereby increasing the contact area between the first connecting end 11 and the third connecting end 31, which is conducive to further improving the connection strength between the first connecting end 11 and the third connecting end 31, further improving the stability of the connection between the curved section guide rail 3 and the first linear guide rail 1, and further improving the stability and reliability of the middle guide rail 100.

[0072] like Figure 2 , Figure 3 and Figure 5 As shown, the ninth groove 114 is located inside the middle guide rail 100, and the tenth groove is located outside the middle guide rail 100.

[0073] In some other embodiments, the ninth groove 114 is located on the outside of the middle guide rail 100, and the tenth groove is located on the inside of the middle guide rail 100.

[0074] In some embodiments, such as Figure 2 , Figure 3 and Figure 5 As shown, the second connecting end 21 has an eleventh groove 214 in the connecting part 1002, and the fourth connecting end 32 has a twelfth groove (not shown in the figure) in the connecting part 1002. The second connecting end 21 and the fourth connecting end 32 are connected by the mating of the eleventh groove 214 and the twelfth groove, thereby increasing the contact area between the second connecting end 21 and the fourth connecting end 32, which is conducive to further improving the connection strength between the second connecting end 21 and the fourth connecting end 32, further improving the stability of the connection between the curved section guide rail 3 and the second linear guide rail 2, and further improving the stability and reliability of the middle guide rail 100.

[0075] like Figure 2 , Figure 3 and Figure 5 As shown, the eleventh groove 214 is located inside the middle guide rail 100, and the twelfth groove is located outside the middle guide rail 100.

[0076] In some other embodiments, the eleventh groove 214 is located on the outside of the middle guide rail 100, and the twelfth groove is located on the inside of the middle guide rail 100.

[0077] Furthermore, both the first linear guide rail 1 and the second linear guide rail 2 are provided with mounting holes 1005 for connection with the vehicle body.

[0078] The following describes the preparation process of the guide rail in this embodiment of the present invention, including the following steps:

[0079] Step 1: The first linear guide 1 and the second linear guide 2 are processed by aluminum extrusion.

[0080] Step 2: Mill the first connecting end 11 of the first linear guide 1 and the second connecting end 21 of the second linear guide 2 to machine the corresponding grooves and connecting holes;

[0081] Step 3: The metal sheet is processed using a stamping process;

[0082] Step 4: Insert both ends of the metal sheet 34 into the first linear guide rail 1 and the second linear guide rail 2 respectively to fix the metal sheet 34;

[0083] Step 5: The curved guide rail 3 is formed using an insert injection molding process;

[0084] Step 6: Grind the burrs at the connection between the injection molded substrate 33 and the first linear guide 1 and the second linear guide 2.

[0085] The vehicle according to an embodiment of the present invention is described below.

[0086] The vehicle in this embodiment of the utility model includes a vehicle body and a central guide rail 100, which is connected to the vehicle body.

[0087] Therefore, the vehicle according to this utility model embodiment can avoid abnormal noises from the sliding door during operation.

[0088] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0089] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0090] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0091] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0092] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0093] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A center rail characterized in that, It includes a first linear guide rail, a second linear guide rail, and a curved section guide rail. The first linear guide rail, the second linear guide rail, and the curved section guide rail are formed separately, and the first linear guide rail, the curved section guide rail, and the second linear guide rail are connected in sequence.

2. The center rail according to claim 1, wherein, The first linear guide has a first connecting end, the second linear guide has a second connecting end, and the curved section guide has a third connecting end and a fourth connecting end that are arranged opposite to each other. The third connecting end is inserted into the first connecting end, and the fourth connecting end is inserted into the second connecting end.

3. The center rail of claim 2, wherein, The curved guide rail includes an injection-molded base and a metal sheet; The first connecting end is provided with a first connecting hole, and one end of the injection-molded substrate is provided with the metal sheet, which is fitted and installed in the first connecting hole; and / or, The second connecting end is provided with a second connecting hole, and the other end of the injection molded substrate is provided with the metal sheet, which is fitted into the second connecting hole.

4. The center rail of claim 3, wherein, The metal sheet has a first insertion part, a fixing part, and a second insertion part arranged in sequence. The fixing part is located in the injection molding base. The first insertion part and the second insertion part are respectively located on the outside of the injection molding base. The first insertion part is fitted into the first connecting hole, and the second insertion part is fitted into the second connecting hole.

5. The center rail of claim 4, wherein, The extending direction of the fixing part is the same as the extending direction of the injection molded substrate; and / or, the extending direction of the first insertion part is the same as the extending direction of the first linear guide; and / or, the extending direction of the second insertion part is the same as the extending direction of the second linear guide.

6. The center rail of claim 4, wherein, The curved guide rail has a load-bearing part, and the fixing part is located on the load-bearing part.

7. The center rail of claim 2, wherein, The first linear guide rail, the curved section guide rail, and the second linear guide rail each have a guide portion, a connecting portion, a load-bearing portion, and a clearance portion. The guide portion and the load-bearing portion are respectively located on both sides of the middle guide rail in the load-bearing direction of the middle guide rail. The guide portion, the connecting portion, the load-bearing portion, and the clearance portion are arranged in sequence. The first connecting end has a first groove in the guide portion, a second groove in the clearance portion, a third connecting end has a third groove in the guide portion, and a fourth groove in the clearance portion. The first connecting end and the third connecting end are connected by the mating of the first groove and the third groove, and by the mating of the fourth groove and the second groove. The first groove and the second groove are both located inside the middle guide rail, and the third groove and the fourth groove are both located outside the middle guide rail; or, the first groove and the second groove are both located outside the middle guide rail, and the third groove and the fourth groove are both located inside the middle guide rail. And / or, The second connecting end has a fifth groove in the guide portion, a sixth groove in the clearance portion, a seventh groove in the guide portion, and an eighth groove in the clearance portion. The second connecting end and the fourth connecting end are connected by the mating of the fifth groove and the seventh groove, and the mating of the sixth groove and the eighth groove. The fifth groove and the sixth groove are both located inside the middle guide rail, and the seventh groove and the eighth groove are both located outside the middle guide rail; or, the fifth groove and the sixth groove are both located outside the middle guide rail, and the seventh groove and the eighth groove are both located inside the middle guide rail.

8. The center rail of claim 7, wherein, The first connecting end has a ninth groove in the connecting portion, and the third connecting end has a tenth groove in the connecting portion. The first connecting end and the third connecting end are connected by the mating of the ninth groove and the tenth groove. The ninth groove is located inside the middle guide rail, and the tenth groove is located outside the middle guide rail; or, the ninth groove is located outside the middle guide rail, and the tenth groove is located inside the middle guide rail. And / or, The second connecting end has an eleventh groove in the connecting portion, and the fourth connecting end has a twelfth groove in the connecting portion. The second connecting end and the fourth connecting end are connected by the mating of the eleventh groove and the twelfth groove. The eleventh groove is located inside the middle guide rail, and the twelfth groove is located outside the middle guide rail; or, the eleventh groove is located outside the middle guide rail, and the twelfth groove is located inside the middle guide rail.

9. The center rail according to any one of claims 1-8, wherein, Both the first linear guide and the second linear guide are provided with mounting holes for connection with the vehicle body.

10. A vehicle characterized by comprising: It includes a vehicle body and a central guide rail as described in any one of claims 1 to 9, wherein the central guide rail is connected to the vehicle body.

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