A rotating arm guide rail connection structure

Abstract

The present invention discloses a pivoting arm guide rail connection structure, comprising a vehicle body, a vehicle door, a guide rail, a pivoting arm, and a pivoting arm seat. The guide rail is arranged on the inner surface of the vehicle door, the upper portion, the lower portion, or the side panel of the vehicle body door frame. The guide rail is composed of a straight section and a curved section. The straight section is arranged along the sliding direction of the door, and the curved section is connected to one end of the straight section. One end of the pivoting arm is connected to the pivoting arm seat to constrain rotation. The other end of the pivoting arm is provided with two or more rollers, which rotate on roller shafts fixed to the pivoting arm. The rollers are constrained to roll on the guide rail. In the present invention, the structure of the present invention does not require an intermediate guide rail to be arranged on the side panel of the vehicle body, and can also ensure smooth operation of the sliding door when opening or closing. Alternatively, the structure can be applied to non-load-bearing buses. The intermediate guide rail is arranged on the side panel of the vehicle body without destroying the profile of the door frame skeleton. The door can be closed and opened by rotating the pivoting arm across the door frame.

Description

Technical Field

[0001] The present invention relates to the field of mechanical structures, and in particular to a rotating arm guide rail connection structure. Background Art

[0002] A car's sliding door must first be slid out of the vehicle body a certain distance before sliding sideways. For example, the current sliding door structure on MPVs features a guide rail fixed from the inside of the vehicle body to the surface. A roller trolley attached to the inner surface of the door rolls within the guide rail's groove, allowing the door to slide sideways after leaving the vehicle body. This unsightly guide rail is unsightly. However, for non-load-bearing structures like buses, this type of guide rail cannot be used. This is because the non-load-bearing door frames of buses are made of profiles. Using such a guide rail would require extending from the vehicle body surface through the door frame profile into the vehicle body, which would destroy the profiled door frame, a prohibitive practice and would compromise its strength. Summary of the Invention

[0003] In response to the technical problems existing in the prior art, the present invention provides a rotating arm guide rail connection structure. In a passenger car, this structure does not require an intermediate guide rail to be set on the side of the car body, and can also enable the sliding door to operate smoothly when opening or closing; or this structure can be applied to a non-load-bearing bus. The intermediate guide rail is set on the side of the car body without destroying the profile of the door frame skeleton, and the door can be closed and opened by rotating the rotating arm across the door frame.

[0004] The technical solution adopted by the present invention is: to provide a rotating arm guide rail connection structure, including a vehicle body, a vehicle door, a guide rail, a rotating arm and a rotating arm seat, the guide rail is arranged on the inner surface of the vehicle door, the upper part, the lower part or the side wall of the vehicle body door frame, the guide rail is composed of a straight section and a curved section, the straight section is arranged along the sliding direction of the door, the curved section is connected to one end of the straight section, one end of the rotating arm is constrained to rotate and connected to the rotating arm seat, the other end of the rotating arm is provided with more than two rollers, the rollers rotate on the roller shaft, the roller shaft is fixed on the rotating arm, the rollers are constrained to roll on the guide rail, when the rollers are constrained to roll on the straight section of the guide rail, the rotating arm is erected and maintains a certain angle with the vehicle body, when the rollers are constrained to roll to the curved section of the guide rail, they drive the rotating arm to rotate a certain angle, thereby driving the vehicle door to close or open.

[0005] As a preferred embodiment of the present technical solution, when the guide rail is rod-shaped, the rollers are constrained to roll on the guide rail, which means that one roller rolls on the inner surface of the guide rail, and the remaining rollers roll on the outer surface of the guide rail. When the rollers on the inner surface of the guide rail roll to the curved section, the rolling of the rollers ends at the curved section, and at least one roller on the outer surface of the guide rail continues to roll along the curved section, thereby driving the rotating arm to rotate.

[0006] As a preferred embodiment of the present technical solution, the inner and outer surfaces of the guide rail are concave or convex envelope surfaces, and the corresponding envelope surface of the roller is a convex surface or a concave surface.

[0007] As a preferred embodiment of the present technical solution, when the guide rail is groove-shaped, the rollers include two guide rollers and a load-bearing roller, the roller axes of the two guide rollers are connected to the rotating arm in a direction perpendicular to the horizontal plane of the vehicle body, the load-bearing roller is arranged between the two guide rollers, and the roller axes of the load-bearing rollers are connected to the rotating arm in a direction parallel to the horizontal plane of the vehicle body. The rollers are constrained to roll on the guide rail, which means that the two guide rollers are constrained to roll in the groove, and the load-bearing roller rolls on the load-bearing plate parallel to the horizontal plane of the vehicle body. The guide rail curved section is set to be U-shaped. When the front guide roller moves from one end of the U-shaped curved section to the other end of the U-shaped curved section, the rear guide roller is still on the straight section of the guide rail, and the line between the two guide rollers rotates a certain angle, thereby driving the rotating arm to rotate.

[0008] When the door is opened, the roller is in the curved section of the guide rail, and the rotating arm is inside the vehicle body. Under the action of the driving mechanism, the roller fixed on the rotating arm can only be constrained to rotate in the curved section of the guide rail, and the rotating arm drives the vehicle door to rotate out of the vehicle body, and then the roller enters the straight section of the guide rail. At this time, the rotating arm maintains a certain angle unchanged (perpendicular to the vehicle body), so that the door and the vehicle body always maintain a distance of one rotating arm unchanged, and perform lateral linear sliding, thereby realizing the opening of the vehicle door. When the guide rail is set on the outer periphery of the bus body and the rotating arm is seated on the door, there is no need to destroy the load-bearing profile of the door frame skeleton. By utilizing the characteristics of this technology, a sliding door can be installed. MPV vehicles do not need to set guide rails on the side outside the middle of the vehicle. The structure of this technology is used in conjunction with other mechanisms to realize sliding doors. The guide rail curve is designed to be a U-shape that is smaller than the radius of the inner roller. The size occupied by the arc-shaped guide rail curve of the current MPV vehicle is reduced by two-thirds. Because the rotating arm is in an extended state when the door is closed, the length of the rotating arm can change the length of the guide rail arranged in the door frame of the vehicle body. That is, the longer the rotating arm is, the shorter the guide rail is, and vice versa. This makes it convenient to use this technical solution when the guide rail is too long to be easily arranged on the vehicle body. The length of the rotating arm replaces the length of the guide rail, thereby shortening the guide rail length and thus reducing the area occupied by the guide rail on the vehicle body. The use of this structure can reduce the number of outer side guide rails for passenger cars, maintaining the beauty of the outer body of the car; for non-load-bearing bus bodies, due to the large aspect ratio of the door, it is difficult to design a sliding door, mainly because the middle guide rail is not easy to arrange. With this technical solution, guide rails can be set on the outer side of the car body without destroying the door frame skeleton, which greatly increases the application scenarios of sliding doors. It can be widely used in various walking machinery such as automobiles, buses, city buses, high-speed railways, subways, and urban light rails. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a structural diagram of the guide rail of the present invention being arranged on a vehicle door;

[0010] Figure 2 for Figure 1 Schematic diagram of the roller on the rotating arm rolling onto the curved section of the guide rail.

[0011] Figure 3 This is a schematic diagram of the arm rotating after the roller on the arm reaches the curved section.

[0012] Figure 4 Schematic diagram of the rotating arm driving the car door to close.

[0013] Figure 5 This is a schematic structural diagram of the guide rail of the present invention when it is arranged on the side panel of one side of the vehicle body (groove-type guide rail for large buses).

[0014] Figure 6 for Figure 5 Schematic diagram of the roller on the straight section of the guide rail (door open)

[0015] In the figure, 1, door frame, 2, car door, 3, guide rail, 4, rotating arm seat, 5, roller, 6, rotating arm, 7, driving mechanism. DETAILED DESCRIPTION

[0016] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0017] like Figures 1-6 As shown, the present invention provides a rotating arm and guide rail connection structure, including a vehicle body, a vehicle door 2, a guide rail 3, a rotating arm 6 and a rotating arm seat 4. The movement of the vehicle door 2 is achieved by combining this technology with a driving mechanism 7. According to the setting of the guide rail 3, there are the following embodiments.

[0018] Example 1: Setting a rod-shaped guide rail on the inner surface of the door

[0019] In this embodiment, Figure 1-4As shown, the guide rail 3 arranged on the inner surface of the car door 2 is rod-shaped, and the cross-section of the guide rail 3 is circular, that is, an outwardly convex arc surface. The straight section of the guide rail 3 is parallel to the inner surface of the car door 2, and the curved section is connected to the end of the straight section close to the edge door frame, and the curved section is bent toward the car door 2. The rotating arm seat 4 is arranged on the inner wall of the car body edge door frame corresponding to the horizontal plane of the guide rail 3, and the rotating arm 6 is L-shaped. The long side of the rotating arm 6 is rotatably connected to the rotating arm seat 4 and is limited by the side frame of the car body door frame 1. Three rollers 5 are provided, and the rollers 5 rotate on the roller shaft. The rollers 5 are fixed to the short side of the rotating arm through the roller shaft. The rollers 5 are constrained on the guide rail 3 by the arc envelope. The guide rail 3 has an inner On the outer side, two rollers 5 roll and wrap around the side with the larger radius of the curved section of the guide rail 3, i.e., the outer side. The other roller 5 rolls on the opposite side, i.e., the inner side. When the rollers 5 are constrained to roll on the straight section of the guide rail 3, all rollers 5 on both the inner and outer sides wrap around and roll on the inner and outer sides of the guide rail 3. The pivot arm 6 is erected to maintain a certain distance and a constant angle from the vehicle body. When the rollers 5 on the inner side of the guide rail 3 roll onto the curved section, the radius of the curved section of the guide rail 3 is the same as that of the inner rollers, so the rollers 5 stop rolling and stop. At least one of the rollers 5 on the outer side of the guide rail 3 wraps around and rolls, driving the pivot arm 6 to rotate, thereby closing or opening the vehicle door 2. The length of the long side of the pivot arm 6 determines the distance the door 2 is away from the vehicle body when it is opened. Because the rollers 5 are constrained to roll on the guide rail 3, a portion of the weight of the door 2 is transferred to the vehicle body by the rollers 5 through the pivot arm 6 and pivot arm seat 4. This roller 5 acts as both a guide and a load-bearing mechanism. A rack can be arranged on the outer side of the guide rail 3, and a gear can be set on the outer side. The drive can be achieved by transmitting power through the rack and gear.

[0020] Example 2: Embedding grooved guide rails on the outer surface of the vehicle body

[0021] The guide rail 3 in this embodiment is groove-shaped, and its structure is as follows Figure 5 、 Figure 6, is arranged on the side surface of the vehicle body on the side of the door opening direction, and the guide rail 3 is embedded in the side surface of the vehicle body at any height of the vehicle door 2 along the opening direction of the vehicle door 2, the straight section of the guide rail 3 is parallel to the length of the vehicle body, the curved section is close to the vertical profile frame of the vehicle body door frame, and the curved section is bent in the horizontal direction inside the vehicle body, the pivot arm seat 4 is arranged on the vehicle door 2 corresponding to the horizontal plane of the guide rail 3, the long side of the L-shaped pivot arm 6 is rotatably connected to the pivot arm seat 4, and three rollers 5 are arranged at one end of the short side of the pivot arm 6, two guide rollers and one load-bearing roller, the roller shafts of the two guide rollers are connected to the short side of the pivot arm 6 in the direction perpendicular to the horizontal plane of the vehicle body, the load-bearing roller is arranged between the two guide rollers, and the roller shafts of the load-bearing rollers are connected to the pivot arm 6 in the direction parallel to the horizontal plane of the vehicle body, the two guide rollers are constrained to roll in the groove guide rail 3, and the load-bearing rollers roll on the load-bearing plate parallel to the horizontal plane of the vehicle body, and the roller 5 is on the guide rail When rolling on the straight section of the rail, the pivot arm 6 maintains a constant angle, with its long side erected, allowing the door 2 to move parallel to the vehicle body. The roller assembly rolls onto the curved section of the guide rail. The curved section of the guide rail 3 is arranged in a U-shape. As the front guide roller moves from one end of the U-shaped section to the other end of the U-shaped section, the rear guide roller remains on the straight section of the guide rail. The line connecting the two guide rollers rotates a certain angle, effectively 90 degrees, thereby driving the pivot arm to rotate 90 degrees, thereby opening and closing the door 2. Furthermore, the long side of the L-shaped pivot arm is designed to span the load-bearing frame of the vertical profile of the vehicle body door frame without compromising its strength, thus achieving the guide rail arrangement for the sliding door. This structure and arrangement not only enables the design of a large sliding door, but also preserves the vertical profile of the vehicle body door frame. This ensures the strength of the door frame of a non-load-bearing passenger vehicle and the smooth operation of the large sliding door during frequent operation. When designing the length of the rotating arm 6, it is necessary to consider both the width of the vertical profile of the vehicle door frame and the distance between the vehicle door and the vehicle body when the door is opened. In this embodiment, the track of the driving mechanism 7 is located above or below the vehicle door frame and cooperates with the driving mechanism 7 to realize the outward sliding opening and closing of the vehicle door 2.

[0022] Example 3: Arranging groove-shaped guide rails on or under the vehicle body door frame

[0023] The guide rail 3 in this embodiment is groove-shaped, and its structure is as follows Figure 5 、 Figure 6The guide rails 3 are arranged on the vehicle body above and below the door frame. The straight section of the guide rails 3 is parallel to the length of the vehicle body, and the curved section is bent in the horizontal direction inside the vehicle body. The rotating arm seat 4 is arranged on the door corresponding to the horizontal plane of the guide rail. The rotating arm 6 can be L-shaped or T-shaped. The long side of the rotating arm 6 is rotatably connected to the rotating arm seat. Three rollers are arranged at one end of the short side of the rotating arm 6, two guide rollers and one load-bearing roller. The roller axes of the two guide rollers are connected to the short sides of the L-shaped or T-shaped swing arm 6 at 90 degrees to the length direction of the swing arm in the direction perpendicular to the horizontal plane of the vehicle body. The load-bearing roller is arranged between the two guide rollers, and the roller axes of the load-bearing rollers are connected to the swing arm 6 in the direction parallel to the horizontal plane of the vehicle body. The two guide rollers are constrained to roll and guide in the grooves. The load-bearing rollers roll on the load-bearing plates parallel to the horizontal plane of the vehicle body. When the rollers roll on the straight section of the guide rail, the swing arm 6 is erected to maintain a certain angle unchanged, so that the car door 2 moves parallel to the car body. When the roller group rolls to the curved section of the guide rail, the curved section of the guide rail 3 is set to be U-shaped. When the previous guide roller moves from one end of the U-shaped curved section of the guide rail to the other end of the U-shaped curved section, the rear guide roller is still in the straight section of the guide rail. The connecting line between the two guide rollers rotates a certain angle, which is actually 90 degrees, thereby driving the swing arm 6 to rotate, and also driving the swing arm to rotate 90 degrees, thereby realizing the opening and closing of the car door 2. Furthermore, the length of the long side of the pivot arm can change the length of the guide rail within the door frame. This makes it convenient to use the length of the pivot arm to replace the guide rail when the guide rail is not easily arranged on the vehicle body, thereby shortening the guide rail length. Furthermore, because the guide rail's curved section is designed as a smaller U-shape, the size occupied by the curved guide rail on current MPVs is reduced by two-thirds. This also reduces the area occupied by the guide rail on the vehicle body. In this embodiment, the track of the drive mechanism is located above or below the vehicle body door frame and cooperates with other mechanisms to achieve outward sliding opening and closing of the door.

[0024] Example 4: Arranging a rod-shaped guide rail on or under the vehicle body door frame

[0025] With reference to Embodiment 1 and Embodiment 3, a rod-shaped guide rail 3 may be arranged on or / and below the vehicle body door frame, and a rotating arm and a rotating arm seat may be provided on the vehicle door 2 .

[0026] Example 5: A groove-shaped guide rail 3 is provided on the inner surface of the vehicle door 2

[0027] With reference to Example 1 and Example 3, a groove-shaped guide rail may be provided on the inner surface of the vehicle door, and a rotating arm and a rotating arm seat may be provided on the vehicle body door frame.

[0028] Example 6: Guide rails on both the vehicle body and the door

[0029] This embodiment offers multiple combinations. The MPV sliding door upper and lower guide rail structures, referred to as "Technique 1," and the MPV sliding door middle guide rail structure, referred to as "Technique 2," can be combined with Examples 1, 2, 3, 4, and 5 above, as well as other implementations of the invention, to create a variety of sliding door opening and closing mechanical structures. The following examples illustrate this.

[0030] a. Three guide rails are provided. The first and third guide rails respectively adopt the groove-shaped guide rails of Example 3, which are provided in the upper and lower parts of the vehicle body door frame. The second guide rail adopts the rod-shaped guide rail of Example 1, which is provided on the inner surface of the vehicle door. The advantage of this combination is that the sliding door designed for existing MPVs and passenger cars eliminates the guide rails embedded in the outer side of the vehicle body, thereby improving the appearance of the vehicle body and reducing wind resistance.

[0031] b. Three guide rails are provided. The first and third guide rails respectively adopt the structure of technology 1 and are provided in the upper and lower parts of the vehicle body door frame. The second guide rail adopts embodiment 2: a groove-shaped guide rail is embedded in the outer peripheral surface of the vehicle body. The advantage of this combination is that it is possible to design a sliding door for a non-load-bearing vehicle body without destroying the stressed skeleton.

[0032] c. Three guide rails are provided, the first guide rail and the third guide rail respectively adopt embodiment 3: arranging a groove-shaped guide rail on or / under the vehicle body door frame or adopt embodiment 4: arranging a rod-shaped guide rail under or on the vehicle body door frame, and the second guide rail adopts embodiment 2: a groove-shaped guide rail embedded in the outer peripheral surface of the vehicle body. The advantage of such a combination is that it is possible to design a sliding door for a non-load-bearing vehicle body without destroying the stressed skeleton, and further, the area occupied by the vehicle body will be greatly reduced when the guide rails are arranged on or / under the vehicle body door frame.

[0033] The embodiments of the present invention are described in detail above, but the contents described are only preferred embodiments of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of this patent.

Claims

1. A rotating arm guide rail connection structure, characterized in that: The invention comprises a vehicle body, a vehicle door, a guide rail, a pivot arm and a pivot arm seat, wherein the guide rail is arranged on the inner surface of the vehicle door, the upper part, the lower part or the side wall of one side of the vehicle door frame, the guide rail is composed of a straight section and a curved section, the straight section is arranged along the sliding direction of the door, the curved section is connected to one end of the straight section, one end of the pivot arm is constrained to rotate and is connected to the pivot arm seat, the other end of the pivot arm is provided with two or more rollers, the rollers rotate on the roller shaft, the roller shaft is fixed on the pivot arm, the rollers are constrained to roll on the guide rail, when the rollers are constrained to roll on the straight section of the guide rail, the pivot arm is erected and maintains a certain angle with the vehicle body, when the rollers are constrained to roll to the curved section of the guide rail, the pivot arm is driven to rotate a certain angle, thereby driving the vehicle door to close or open, when the guide rail is rod-shaped, the rollers are constrained to roll on the guide rail, that is, one roller rolls on the inner surface of the guide rail, the other rollers roll on the outer surface of the guide rail, and the inner surface of the guide rail The two wheels are connected to each other in a vertical direction and the two wheels are connected to each other in a horizontal direction, so that the two wheels are in a state of rotation and the two wheels are in a state of rotation.

2. The rotating arm guide rail connection structure according to claim 1, characterized in that: The inner and outer surfaces of the guide rail are concave or convex envelope surfaces, and the corresponding envelope surface of the roller is a convex surface or a concave surface.

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