Guide rail structure in sliding door and vehicle

By setting a gap on the guide rail body and using the adjustment mechanism to move the guide members, the problem of limited effective stroke of the guide rail is solved, and the door opening is improved, meeting the needs of convenience of loading and loading and loading and exiting large-sized goods.

CN120331583APending Publication Date: 2025-07-18重庆长安凯程汽车科技有限公司
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Patent Information

Application Number
CN202510564314.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2025-07-18

AI Technical Summary

Technical Problem

The effective stroke of the guide rails in existing car sliding doors is limited, resulting in limited door opening, which cannot meet the needs of large-sized goods and customers' pursuit of convenience of getting on and off the vehicle.

Method used

A notch is provided on the guide rail body, and the guide member is moved between the first position and the second position through an adjustment mechanism. The notch is opened when installing/disassembling the sliding door hinge, and the gap is closed after installation and increase the effective stroke of the guide rail.

Benefits of technology

By increasing the effective stroke of the guide rails, the door opening is improved, and the needs of large-sized goods are met and the convenience of customers to get on and off are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a guide rail structure in a sliding door and a vehicle, the guide rail structure in the sliding door comprises a guide rail body and at least one limiting assembly, the guide rail body is provided with a guide groove used for being in sliding connection with a sliding door hinge, and the side wall of the guide groove is provided with at least one notch allowing a guide wheel of the sliding door hinge to enter the guide groove; the limiting assembly is arranged corresponding to the notch and comprises a guiding piece and an adjusting mechanism, and the guiding piece is matched with the notch in shape. The adjusting mechanism is connected with the guide piece and is configured to be capable of driving the guide piece to move between a first position and a second position; when the guide piece moves to the first position, the guide piece and the notch can be staggered, so that the notch is opened; and when the guide piece moves to the second position, the guide piece can cover the notch so as to block the notch. Compared with a traditional mode that a hinge assembly space is reserved on the rear portion of the guide rail body, the effective stroke of the guide rail in the sliding door can be increased, and the purpose of improving the opening degree of the vehicle door is achieved.
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Description

Technical Field

[0001] This application relates to the technical field of sliding door guide rail structures, and particularly relates to a guide rail structure in a sliding door and a vehicle. Background Art

[0002] As one of the common opening and closing methods of vehicle doors, the sliding door of an automobile can realize the front-back sliding opening and closing of the door through a slide rail installed on the vehicle body and in cooperation with mechanisms such as hinges, door locks, and limiters, achieving the purpose of saving the opening and closing space on both sides of the vehicle, facilitating the opening and closing of the door in a narrow space, and also avoiding the occurrence of "door hitting" situations.

[0003] Generally speaking, in the prior art, the sliding door hinge of an automobile is usually arranged at the middle guide rail, and the limiter is installed at the lower guide rail. However, the installation points of the lower guide rail are more difficult to arrange and are not easy to maintain. Therefore, the related technology is considering arranging the limiter at the middle guide rail. However, the maximum opening position of the sliding door of an automobile is usually determined by the limiter. Due to the limitation of the installation space of the sliding door hinge at the end of the middle guide rail, the limiter can only be set on the side far from the end of the middle guide rail in the installation space of the sliding door hinge. This will make the effective stroke of the middle guide rail shorter, thereby restricting the opening of the door and unable to meet the loading requirements of large-sized goods and the pursuit of convenience for getting on and off the vehicle by customers. Summary of the Invention

[0004] In view of the above problems, the embodiments of this application provide a guide rail structure in a sliding door and a vehicle, which can increase the effective stroke of the guide rail body while meeting the installation requirements of the sliding door hinge and improve the opening of the door.

[0005] According to one aspect of the embodiments of this application, a guide rail structure in a sliding door is provided, including: a guide rail body having a guide groove for slidably connecting with a sliding door hinge, and at least one notch is provided on the side wall of the guide groove for a guide wheel of the sliding door hinge to enter the guide groove; and at least one limiting component, arranged corresponding to the notch, including: a guiding member adapted to the shape of the notch; and an adjusting mechanism connected to the guiding member and configured to be able to drive the guiding member to move between a first position and a second position; wherein when the guiding member moves to the first position, it can be misaligned with the notch to open the notch; when the guiding member moves to the second position, it can cover the notch to block the notch.

[0006] In an exemplary embodiment of the present application, the adjusting mechanism includes: a sleeve having a hollow first cavity, and the axial two ends of the first cavity penetrate through the sleeve; a limiting connecting member having a first end and a second end distributed axially, the first end being slidably connected to the first cavity axially; the second end extends out of the first cavity from one end of the sleeve close to the guiding member and is connected to the guiding member; a first elastic member connected to the first end and the sleeve, adapted to reset the guiding member to the first position; and a pressing member that extends into the first cavity from one end of the sleeve away from the guiding member and is threadedly engaged with the side wall of the first cavity; wherein, the end of the pressing member extending into the first cavity abuts against the first end and is configured to be able to push the guiding member to move to the second position.

[0007] In an exemplary embodiment of the present application, a first stop edge is provided at one end of the sleeve close to the guiding member, the first stop edge extends inwards along the circumferential direction of the first cavity, and a first mounting hole communicating with the first cavity axially is provided; a second stop edge corresponding to the first stop edge is provided at the position of the limiting connecting member close to the first end, the second stop edge extends outwards along the circumferential direction of the limiting connecting member and is slidably connected to the side wall of the first cavity; the first elastic member is arranged between the first stop edge and the second stop edge to provide an elastic force distributed axially between the limiting connecting member and the sleeve.

[0008] In an exemplary embodiment of the present application, the adjusting mechanism includes: a sleeve having a hollow first cavity, and the axial two ends of the first cavity penetrate through the sleeve; a limiting connecting member having a first end and a second end distributed axially, the first end being slidably connected to the first cavity and capable of sliding relative to the sleeve along the side wall of the first cavity; the second end extends out of the first cavity from one end of the sleeve close to the guiding member and is connected to the guiding member; a pressing member that extends into the first cavity from one end of the sleeve away from the guiding member and is threadedly engaged with the side wall of the first cavity; wherein, the end of the pressing member extending into the first cavity is rotatably connected to the first end and is configured to be able to drive the guiding member to move between the first position and the second position.

[0009] In an exemplary embodiment of the present application, the limiting connecting member has a hollow second cavity, and the axial two ends of the second cavity penetrate through the first end and the second end; a through hole is provided on one side of the guiding member for connecting the limiting connecting member, and the through hole corresponds axially to the second cavity; wherein, an elastic limiting mechanism for preventing the vehicle door from closing itself is also embedded in the second cavity, and the limiting end of the elastic limiting mechanism extends out of the second cavity from the second end and passes through the through hole and extends into the guiding groove.

[0010] In an exemplary embodiment of the present application, the elastic limiting mechanism includes: a first limiting block, one end of the first limiting block is slidably connected to the second cavity along the axial direction; the other end of the first limiting block is configured as a limiting end and extends into the guiding groove through the through hole from the second end; a second limiting block, the second limiting block is detachably fixed to the first end; and a second elastic member, disposed between the first limiting block and the second limiting block, and adapted to provide an elastic force distributed along the axial direction to the first limiting block and the second limiting block.

[0011] In an exemplary embodiment of the present application, a third stop edge is provided near the second end of the limiting connecting member, the third stop edge extends inward along the circumferential direction of the second cavity, and a second mounting hole communicating with the second cavity along the axial direction is provided; a fourth stop edge corresponding to the third stop edge is provided at the end of the first limiting block away from the guiding member, the fourth stop edge extends outward along the circumferential direction of the first limiting block, and is slidably connected to the side wall of the second cavity.

[0012] In an exemplary embodiment of the present application, the second limiting block is in threaded fit connection with the side wall of the second cavity, and a driving groove is provided at one end of the second limiting block away from the first limiting block.

[0013] In an exemplary embodiment of the present application, the pressing member has a hollow third cavity, and both axial ends of the third cavity penetrate through the pressing member and correspond to the driving groove.

[0014] In an exemplary embodiment of the present application, the elastic limiting mechanism further includes a gasket, the gasket is located between the third stop edge and the fourth stop edge, and is disposed around the circumferential direction of the first limiting block.

[0015] In an exemplary embodiment of the present application, a sealing member is further provided between the adjusting mechanism and the guiding member.

[0016] The second aspect of the present application discloses a vehicle, including the sliding door middle guide rail structure described above.

[0017] In the sliding door middle guide rail structure of the present application, by providing a notch on the guide rail body and moving the guiding member to the first position through the adjusting mechanism to open the notch, when installing / dismounting the sliding door hinge, the guiding wheel of the sliding door hinge can directly enter / exit from the notch into / out of the guiding groove of the guide rail body; and after the installation / dismounting of the sliding door hinge is completed or during the use of the sliding door, by moving the guiding member to the second position through the adjusting mechanism, the notch can be covered and blocked by the guiding member to prevent the sliding door hinge from disengaging from the notch. In this way, it can not only meet the installation requirements of the sliding door hinge, but also does not occupy the rear space of the guide rail body. At the same time, the notch can be opened at the end limiting position of the guide rail body. After installing the sliding door hinge, a stopper is arranged at the notch, and then the notch is blocked to complete the limiting, so as to increase the effective stroke of the sliding door middle guide rail. The increased amount is equivalent to at least the radial dimension distance of one guiding wheel, thereby achieving the purpose of increasing the opening degree of the vehicle door.

[0018] The above description is only an overview of the technical solution of the embodiment of the present application. In order to understand the technical means of the embodiment of the present application more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of the embodiment of the present application more obvious and understandable, the specific embodiments of the present application are specifically given below. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the structures shown in these drawings.

[0020] Figure 1 Shows a schematic diagram of the state of the guide rail structure in the sliding door according to the embodiment of the present application when the limiting component is in the first position;

[0021] Figure 2 Shows a schematic diagram of the state of the guide rail structure in the sliding door according to the embodiment of the present application when the limiting component is in the second position;

[0022] Figure 3 Shows an exploded view of the limiting component according to the embodiment of the present application;

[0023] Figure 4 Shows a schematic diagram of the structure of the limiting component according to the embodiment of the present application;

[0024] Figure 5 Shows Figure 4 The cross-sectional view at A-A in

[0025] Figure 6 Shows a schematic diagram of the structure of the second limiting block according to the embodiment of the present application.

[0026] Explanation of the reference numerals in the drawings:

[0027] 1 - Guide rail body, 11 - Guide groove, 111 - Notch, 112 - Inner side wall, 113 - Outer side wall, 114 - Upper side wall,

[0028] 2 - Limiting component,

[0029] 21 - Guide member, 211 - Through hole,

[0030] 22 - Adjusting mechanism, 221 - Sleeve, 2211 - First cavity, 2212 - First stop edge, 22121 - First mounting hole, 222 - Limit connecting piece, 2221 - First end, 2222 - Second end, 2223 - Second stop edge, 2224 - Second cavity, 2225 - Third stop edge, 22251 - Second mounting hole, 223 - First elastic member, 224 - Pressing member, 2241 - Third cavity, 225 - Nut

[0031] 23 - Elastic limit mechanism, 231 - First limit block, 2311 - Fourth stop edge, 232 - Second limit block, 2321 - Driving groove, 233 - Second elastic member, 234 - Gasket

[0032] 24 - Sealing member

[0033] 3 - Sliding door hinge, 31 - Guide wheel, 32 - Bearing wheel

[0034] The realization, functional features and advantages of the purpose of this application will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0035] Now, example embodiments will be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be more complete and comprehensive, and will fully convey the concept of the example embodiments to those skilled in the art.

[0036] In addition, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of the embodiments of this application. However, those skilled in the art will realize that the technical solutions of this application can be practiced without one or more of the specific details, or other methods, components, devices, steps, etc. may be used. In other cases, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of this application.

[0037] It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. used in the embodiments of this application indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the technical solutions of this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to this application.

[0038] The present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted here that the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, but should not be construed as limiting the present application.

[0039] As Figures 1 to 5 shown, this embodiment provides a middle guide rail structure for a sliding door, including a guide rail body 1 and at least one limiting component 2. The guide rail body 1 has a guide groove 11 for slidably connecting with a sliding door hinge 3. At least one notch 111 is provided on the side wall of the guide groove 11 for the guide wheel 31 of the sliding door hinge 3 to enter the guide groove 11. The limiting component 2 is arranged corresponding to the notch 111 and includes a guiding member 21 and an adjusting mechanism 22. Among them, the guiding member 21 is adapted to the shape of the notch 111. The adjusting mechanism 22 is connected to the guiding member 21 and is configured to be able to drive the guiding member 21 to move between a first position and a second position. When the guiding member 21 moves to the first position, it can be misaligned with the notch 111 to open the notch 111. In this way, when installing / dismounting the sliding door hinge 3, the guide wheel 31 of the sliding door hinge 3 can directly enter / exit from the notch 111 into / out of the guide groove 11 of the guide rail body 1 without occupying the rear space of the guide rail body 1. After the installation / dismounting of the sliding door hinge 3 is completed or during the use of the sliding door, when the guiding member 21 is moved to the second position through the adjusting mechanism 22, the guiding member 21 can cover the notch 111 to block the notch 111 and prevent the sliding door hinge 3 from disengaging from the notch 111. In this way, the notch 111 can be opened at the end limiting position of the guide rail body 1. After the sliding door hinge 3 is installed, a limiter is arranged at the notch 111, and then the notch 111 is blocked to complete the limiting. Compared with the method of reserving a hinge assembly space at the rear of the guide rail body 1, the above structure can increase the effective stroke of the middle guide rail of the sliding door, and the increased amount is equivalent to at least the radial dimension distance of one guide wheel 31, thereby achieving the purpose of increasing the opening degree of the car door.

[0040] It can be understood that both the guide rail body 1 and the limiting component 2 are installed on the vehicle body. Among them, the guide rail body 1 can be installed on the outer side panel of the side wall by bolts, and the adjusting mechanism 22 of the limiting component 2 is installed corresponding to the notch 111 of the guide rail body 1 on the opening of the inner side panel of the side wall and is installed and fixed by a nut 225.

[0041] Specifically, as Figures 1 to 3As shown in the figure, the side close to the vehicle body is defined as "inner", and the opposite side is defined as "outer". The guide rail body 1 is integrally in a U-shaped with an opening facing outwards. The lower part thereof is a chute for the load-bearing wheel 32 of the sliding door hinge 3 to be slidably connected, and the upper middle part is a guide groove 11 for the guide wheel 31 of the sliding door hinge 3 to be slidably connected. The side wall of the guide groove 11 is in a U-shaped with an opening facing downwards, including an inner side wall 112, an outer side wall 113, and an upper side wall 114 connecting the inner side wall 112 and the outer side wall 113, which can limit the guide wheel 31 within the guide groove 11 to move along the guide rail body 1 to prevent the sliding door hinge 3 from disengaging outwards. In this embodiment, there are two guide wheels 31 of the sliding door hinge 3, so there are two corresponding notches 111 on the guide rail body 1, and two corresponding limiting components 2; the notch 111 formed on the guide rail body 1 has the same shape as the side wall of the guide groove 11, also in a U-shaped with an opening facing downwards. At this time, the guide groove 11 is disconnected from the notch 111, enabling the guide wheel 31 to enter / exit the guide groove 11 from the notch 111; and the guide member 21 is adapted to the shape of the notch 111, also in a U-shaped with an opening facing downwards; driven by the adjusting mechanism 22, the guide member 21 can move between a first position and a second position. Among them, the first position is on the inner side perpendicular to the extending direction of the guide rail body 1, and the second position is at the position where the notch 111 is located; when the outer side wall 113 of the guide member 21 is flush with the inner side wall 112 of the guide groove 11, that is, when the guide member 21 reaches the first position, at this time, the guide member 21 is misaligned with the notch 111 to open the notch 111, and the guide wheel 31 enters / exit the guide groove 11 from the notch 111; when the outer side wall 113 of the guide member 21 is flush with the outer side wall 113 of the guide groove 11, that is, when the guide member 21 reaches the second position, at this time, the guide member 21 covers the notch 111, preferably coincides with the notch 111, to block the notch 111 and prevent the guide wheel 31 from disengaging from the notch 111.

[0042] Next, a specific structure of the adjusting mechanism 22 is provided, and the manner of driving the guide member 21 to move by the adjusting mechanism 22 is specifically described.

[0043] In some embodiments, such as Figures 3 to 5As shown, the adjusting mechanism 22 includes a sleeve 221, a limit connecting member 222, a first elastic member 223, and a pressing member 224. Among them, the sleeve 221 has a hollow first cavity 2211, and both axial ends of the first cavity 2211 penetrate the sleeve 221; the limit connecting member 222 has a first end 2221 and a second end 2222 distributed axially. The first end 2221 is slidably connected to the first cavity 2211 axially, and the second end 2222 extends out of the first cavity 2211 from one end of the sleeve 221 close to the guiding member 21 and is connected to the guiding member 21; the first elastic member 223 is connected to the first end 2221 and the sleeve 221, and is adapted to reset the guiding member 21 to the first position; the pressing member 224 extends into the first cavity 2211 from one end of the sleeve 221 away from the guiding member 21 and is threadedly engaged with the side wall of the first cavity 2211; wherein, one end of the pressing member 224 extending into the first cavity 2211 abuts against the first end 2221 and is configured to be able to push the guiding member 21 to move to the second position. In this way, by rotating the pressing member 224 forward / backward, the depth of the pressing member 224 relative to the first cavity 2211 can be adjusted, and then the limit connecting member 222 can be pushed to drive the guiding member 21 connected thereto to move between the first position and the second position.

[0044] Specifically, the pressing member 224 is screwed into the first cavity 2211 forward until one end of the pressing member 224 extending into the first cavity 2211 abuts against the first end 2221 of the limit connecting member 222. At this time, by continuing to screw the pressing member 224 forward, it can act on the first end 2221 and push the limit connecting member 222 outward. The first elastic member 223 is deformed by force, and the limit connecting member 222 also drives the guiding member 21 connected to the second end 2222 to move outward until the guiding member 21 moves to the second position. When the pressing member 224 is screwed out of the first cavity 2211 in the reverse direction, the limit connecting member 222 can move inward under the elastic force of the first elastic member 223, and the limit connecting member 222 also drives the guiding member 21 connected to the second end 2222 to move inward until the guiding member 21 is reset to the first position.

[0045] In some embodiments, the first elastic member 223 can be a compression spring. In this regard, as Figures 3 to 5As shown in the figure, a first stop edge 2212 is provided at one end of the sleeve 221 close to the guide member 21. The first stop edge 2212 extends inwards along the circumferential direction of the first cavity 2211, and a first mounting hole 22121 communicating with the first cavity 2211 axially is provided. At this time, the second end 2222 of the limit connecting member 222 can extend out of the first cavity 2211 from the first mounting hole 22121; a second stop edge 2223 is provided on the limit connecting member 222 corresponding to the first stop edge 2212 near the first end 2221. The second stop edge 2223 extends outwards along the circumferential direction of the limit connecting member 222 and is slidably connected to the side wall of the first cavity 2211; a first elastic member 223 is provided between the first stop edge 2212 and the second stop edge 2223 to provide an axially distributed elastic force between the limit connecting member 222 and the sleeve 221. Through the arrangement of the first stop edge 2212 and the second stop edge 2223, on the one hand, it can provide an installation space and a force acting surface for the first elastic member 223, and on the other hand, it can limit the second end 2222 of the limit connecting member 222 in the first cavity 2211 to prevent the second end 2222 from protruding out of the first cavity 2211 from the end of the sleeve 221 close to the guide member 21.

[0046] It can be understood that in the above embodiment, the main function of the first elastic member 223 is to reset the limit connecting member 222 and the guide member 21 to the second position. Therefore, in some embodiments, the setting of the first elastic member 223 can be removed, and only the sleeve 221, the limit connecting member 222, and the pressing member 224 are retained, and the structures and connection relationships of the sleeve 221, the limit connecting member 222, and the pressing member 224 are kept unchanged. Then, one end of the pressing member 224 extending into the first cavity 2211 is rotatably connected to the first end 2221. By the threaded connection between the pressing member 224 and the sleeve 221, the limit connecting member 222 is driven to move axially along the first cavity 2211, and further drives the guide member 21 to move between the first position and the second position.

[0047] In some embodiments, as Figures 3 to 5 shown, the limit connecting member 222 has a hollow second cavity 2224, and the axial two ends of the second cavity 2224 penetrate through the first end 2221 and the second end 2222; a through hole 211 is provided on one side of the guide member 21 for connecting the limit connecting member 222, and the through hole 211 corresponds axially to the second cavity 2224; wherein, an elastic limit mechanism 23 for preventing the door from closing itself is also embedded in the second cavity 2224, and the limit end of the elastic limit mechanism 23 extends out of the second cavity 2224 from the second end 2222 and penetrates through the through hole 211 and extends into the guide groove 11. Through the above setting, the elastic limit mechanism 23 can be installed as a stopper synchronously at the notch 111, realizing the arrangement of the stopper, that is, the elastic limit mechanism 23, at the end limit position of the middle rail of the sliding door, which is convenient for its installation, disassembly, and maintenance.

[0048] In some embodiments, as Figures 3 to 5 shown, the elastic limiting mechanism 23 includes a first limiting block 231, a second limiting block 232 and a second elastic member 233. Among them, one end of the first limiting block 231 is slidably connected to the second cavity 2224 along the axial direction, and the other end of the first limiting block 231 is configured as a limiting end and extends from the second end 2222 through the through hole 211 into the guiding groove 11; the second limiting block 232 is detachably fixed to the first end 2221; the second elastic member 233 is disposed between the first limiting block 231 and the second limiting block 232 and is adapted to provide an axially distributed elastic force to the first limiting block 231 and the second limiting block 232, so that the limiting end of the first limiting block 231 can provide a limiting force in the guiding groove 11. In this way, during the opening process of the vehicle door, when the guiding wheel 31 enters the guiding member 21, it contacts the limiting end of the first limiting block 231. When the thrust applied by the guiding wheel 31 to the first limiting block 231 is greater than the limiting force of the first limiting block 231, it can push the first limiting block 231 and compress the second elastic member 233 to pass through the limiting end of the first limiting block 231. Subsequently, the limiting end of the first limiting block 231 is reset to the guiding groove 11 under the action of the second elastic member 233. When the vehicle door is opened to the maximum, if it needs to be closed, the guiding wheel 31 also needs to push the first limiting block 231 and compress the second elastic member 233. When there is no external force on the vehicle door, the thrust applied by the guiding wheel 31 to the first limiting block 231 is less than the limiting force of the first limiting block 231, and the limiting end of the first limiting block 231 can prevent the vehicle door from closing automatically, playing a role in limiting the vehicle door.

[0049] In some embodiments, the second elastic member 233 can also be a compression spring. In this regard, as Figures 3 to 5 shown, the limiting connecting member 222 is provided with a third stop edge 2225 near the second end 2222. The third stop edge 2225 extends inwards along the circumferential direction of the second cavity 2224 and is provided with a second mounting hole 22251 that axially communicates with the second cavity 2224. At this time, the limiting end of the first limiting block 231 can extend out of the second cavity 2224 from the second mounting hole 22251; a fourth stop edge 2311 is provided at one end of the first limiting block 231 away from the guiding member 21 corresponding to the third stop edge 2225. The fourth stop edge 2311 extends outwards along the circumferential direction of the first limiting block 231 and is slidably connected to the side wall of the second cavity 2224. Through the arrangement of the third edge portion and the fourth stop edge 2311, one end of the first limiting block 231 away from the guiding member 21 can be restricted in the second cavity 2224, preventing the first limiting block 231 from protruding out of the second cavity 2224 from the second end 2222 of the limiting connecting member 222.

[0050] In some embodiments, as Figures 3 to 5As shown, the elastic limit mechanism 23 further includes a gasket 234. The gasket 234 is disposed in the second cavity 2224 and located between the third stop edge 2225 and the fourth stop edge 2311, and is annularly arranged around the circumference of the first limit block 231. In this way, when the first limit block 231 is reset to the guide groove 11 under the action of the second elastic member 233, the gasket 234 can play a buffering role to prevent the third stop edge 2225 from hitting the fourth stop edge 2311 and generating abnormal noises.

[0051] After the car door is opened and closed a certain number of times, the second elastic member 233 will deform and cause the force value to decay, thereby reducing the limiting force of the first limit block 231 and unable to play the role of limiting the car door. Therefore, in some embodiments, such as Figure 5 and Figure 6 As shown, the second limit block 232 is in threaded fit connection with the side wall of the second cavity 2224, and a driving groove 2321 is provided at one end of the second limit block 232 away from the first limit block 231. Among them, the driving groove 2321 is formed as a non-circular hole, preferably an internal hexagonal hole. In this way, the second limit block 232 can be rotated forward through the driving groove 2321, so that the second limit block 232 is screwed into the second cavity 2224 to compress the second elastic member 233, thereby increasing the elastic force of the second elastic member 233 and achieving the purpose of increasing the limiting force of the first limit block 231.

[0052] In some embodiments, such as Figure 5 and Figure 6 As shown, the pressing member 224 has a hollow third cavity 2241. The axial two ends of the third cavity 2241 penetrate through the pressing member 224 and correspond to the driving groove 2321. In this way, during the later maintenance process, an adjustment tool (such as an internal hexagonal tool) can be inserted into the third cavity 2241 and docked with the driving groove 2321, so as to rotate the second limit block 232 to adjust the depth of the second limit block 232 relative to the second cavity 2224.

[0053] In some embodiments, such as Figures 3 to 5 As shown, a seal 24 is further provided between the adjusting mechanism 22 and the guiding member 21. When the guiding member 21 is in the second position, the seal 24 can abut against the periphery of the notch 111 to play a role of sealing and preventing rain, and avoid rainwater from entering the side where the adjusting mechanism 22 is located axially from the notch 111. Specifically, the seal 24 can be integrally formed on the inner side wall 112 of the guiding member 21 by means of rubber injection molding. The specific shape can be in the shape of a rubber ring, and the size of the outer peripheral edge thereof only needs to be larger than the size of the guiding member 21, which will not be elaborated here.

[0054] In addition, in another embodiment, a vehicle is also disclosed, including the sliding door middle guide rail structure in the above embodiment. It can be understood that for other structures and working principles of the sliding door middle guide rail structure, please refer to the above description of the embodiment of the sliding door middle guide rail structure. Since the sliding door middle guide rail structure has the above technical effects, the wire harness connection assembly with this sliding door middle guide rail structure should also have corresponding technical effects, which will not be elaborated here.

[0055] In this application, unless otherwise clearly specified and defined, terms such as "assembly" and "connection" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0056] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. The meaning of "a plurality" is two or more, unless otherwise clearly and specifically defined. And the descriptions of terms such as "some embodiments" and "exemplarily" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application.

[0057] The schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0058] Although the embodiments of this application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as a limitation to this application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of this application. Therefore, any changes or modifications made in accordance with the claims and the description of this application shall fall within the scope covered by the patent of this application.

Claims

1. A middle guide rail structure for a sliding door, characterized in that, Comprising: A guide rail body having a guide groove for slidably connecting with a sliding door hinge, and at least one notch is provided on a side wall of the guide groove for a guide wheel of the sliding door hinge to enter the guide groove; And At least one limiting component, arranged corresponding to the notch, comprising: A guiding member adapted to the shape of the notch; An adjusting mechanism connected to the guiding member and configured to be capable of driving the guiding member to move between a first position and a second position; wherein, When the guiding member moves to the first position, it can be misaligned with the notch to open the notch; When the guiding member moves to the second position, it can cover the notch to block the notch.

2. The sliding door middle guide rail structure according to claim 1, characterized in that, The adjusting mechanism includes: A sleeve having a hollow first cavity, and axial ends of the first cavity penetrate through the sleeve; A limiting connecting member having a first end and a second end distributed axially, the first end being slidably connected to the first cavity along the axis; the second end extends out of the first cavity from an end of the sleeve close to the guiding member and is connected to the guiding member; A first elastic member connected between the first end and the sleeve and adapted to reset the guiding member to the first position; and A pressing member extending into the first cavity from an end of the sleeve away from the guiding member and threadedly engaged with a side wall of the first cavity; wherein, An end of the pressing member extending into the first cavity abuts against the first end and is configured to be capable of pushing the guiding member to move towards the second position.

3. The middle guide rail structure of the sliding door according to claim 2, characterized in that, A first stop edge is provided at an end of the sleeve close to the guiding member, the first stop edge extends inwards along the circumference of the first cavity and is provided with a first mounting hole axially communicating with the first cavity; a second stop edge corresponding to the first stop edge is provided at the first end of the limiting connecting member, the second stop edge extends outwards along the circumference of the limiting connecting member and is slidably connected to the side wall of the first cavity; the first elastic member is arranged between the first stop edge and the second stop edge to provide an elastic force distributed axially between the limiting connecting member and the sleeve.

4. The sliding door middle guide rail structure according to claim 1, characterized in that, The adjusting mechanism includes: A sleeve having a hollow first cavity, and axial ends of the first cavity penetrate through the sleeve; A limiting connecting member having a first end and a second end distributed axially, the first end being slidably connected to the first cavity and capable of relatively sliding along the side wall of the first cavity with respect to the sleeve; the second end extends out of the first cavity from an end of the sleeve close to the guiding member and is connected to the guiding member; A pressing member extending into the first cavity from an end of the sleeve away from the guiding member and threadedly engaged with a side wall of the first cavity; wherein, An end of the pressing member extending into the first cavity is rotatably connected to the first end and is configured to be capable of driving the guiding member to move between the first position and the second position.

5. The middle guide rail structure of the sliding door according to any one of claims 2-4, characterized in that, The limiting connecting member has a hollow second cavity, and axial ends of the second cavity penetrate through the first end and the second end; The guide member is used to connect one side of the limit connecting member, and a through hole is provided in the guide member, and the through hole corresponds to the axial direction of the second cavity; wherein, An elastic limit mechanism for preventing the door from closing itself is also embedded in the second cavity, and the limit end of the elastic limit mechanism extends out of the second cavity from the second end and extends into the guide groove through the through hole.

6. The structure of the middle guide rail of the sliding door according to claim 5, characterized in that, The elastic limit mechanism includes: A first limit block, one end of the first limit block is slidably connected to the second cavity along the axial direction; the other end of the first limit block is configured as the limit end and extends into the guide groove from the second end through the through hole; A second limit block, the second limit block is detachably fixed to the first end; and A second elastic member, which is arranged between the first limit block and the second limit block and is adapted to provide an elastic force distributed along the axial direction to the first limit block and the second limit block.

7. The middle guide rail structure of the sliding door according to claim 6, characterized in that, A third retaining edge is provided near the second end of the limit connecting member, and the third retaining edge extends inward along the circumferential direction of the second cavity and is provided with a second mounting hole communicating with the second cavity axially; a fourth retaining edge is provided at one end of the first limit block away from the guide member corresponding to the third retaining edge, and the fourth retaining edge extends outward along the circumferential direction of the first limit block and is slidably connected to the side wall of the second cavity.

8. The middle guide rail structure of the sliding door according to claim 7, characterized in that, The second limit block is in threaded fit connection with the side wall of the second cavity, and a driving groove is provided at one end of the second limit block away from the first limit block.

9. The middle guide rail structure of the sliding door according to claim 8, characterized in that, The pressing member has a hollow third cavity, and the axial two ends of the third cavity penetrate through the pressing member and correspond to the driving groove.

10. The structure of the middle guide rail of the sliding door according to claim 7, characterized in that, The elastic limit mechanism further includes a gasket, the gasket is located between the third retaining edge and the fourth retaining edge and is arranged around the circumferential direction of the first limit block.

11. The sliding door middle guide rail structure according to claim 1, characterized in that, A sealing member is further provided between the adjusting mechanism and the guide member.

12. A vehicle, characterized in that, Including the sliding door middle guide rail structure according to any one of claims 1-11.