A linkage type extended stroke linear guide rail

Abstract

The utility model discloses a kind of linkage range-increasing linear guide rails, including sequentially connected installation base plate, transmission plate and bearing plate;Transmission gear is equipped on the transmission plate, and the track of transmission plate is equipped with slider;The inner side surface of installation base plate and bearing plate, or installation base plate and bearing plate towards transmission plate, is equipped with gear strip one and gear strip two respectively;Gear strip one and gear strip two are all in contact with transmission gear;Gear strip two drives transmission gear to rotate on gear strip one when following bearing plate movement, and then drives transmission plate movement.The utility model uses linkage guide rail structure, realizes the greater opening of vehicle door work, reduces the demand amount of installation space and vehicle body space, realizes small space big stroke work;At the same time, linkage guide rail structure has enough rigidity to guarantee the integrity of vehicle door movement.

Description

Technical Field

[0001] This utility model relates to the field of rail vehicle door systems, and in particular to a linkage-extended linear guide rail. Background Technology

[0002] Linear guides are extremely important in the field of urban rail vehicle door systems. This structure enables the door system to bear loads and move, directly affecting the safety and mobility of the urban rail vehicle doors. Existing technology uses a single linear guide to drive the gantry assembly to achieve the load-bearing and movement of the door system. Because it is a single-line guide, it is difficult to achieve large stroke operation in a small space, requiring increased installation and vehicle body space, which is inconvenient to use.

[0003] Therefore, it is necessary to develop new types of linear guides to reduce the required installation and vehicle space, and achieve large stroke operation in small spaces. Summary of the Invention

[0004] Purpose of the utility model: In view of the shortcomings and defects of the existing technology, this utility model provides a linkage extended linear guide rail. The linkage guide rail structure enables the car door to open to a larger degree, reduces the required installation space and vehicle body space, and enables large stroke operation in a small space. At the same time, the linkage guide rail structure has sufficient rigidity to ensure the integrity of the car door movement.

[0005] Technical Solution: This utility model discloses a linkage-extended linear guide rail, characterized in that it comprises a mounting base plate, a transmission plate, and a load-bearing plate connected in sequence; the transmission plate is provided with a transmission gear, and a slider is provided in the track of the transmission plate; a gear rack one and a gear rack two are respectively provided on the inner side of the mounting base plate and the load-bearing plate, or on the inner side of the mounting base plate and the load-bearing plate facing the transmission plate; both gear rack one and gear rack two are in contact with the transmission gear; when the gear rack two moves with the load-bearing plate, it drives the transmission gear to rotate on gear rack one, thereby driving the transmission plate to move.

[0006] The mounting base plate and the load-bearing plate are installed by being inserted into the transmission plate track.

[0007] The inner surface of the mounting base plate and the load-bearing plate comes into contact with the slider after installation.

[0008] The transmission gear is mounted on the transmission plate via a pin.

[0009] The slider is fixed to the track of the transmission plate by a screw.

[0010] The gear rack 1 and gear rack 2 are respectively fixed to the mounting base plate and the load-bearing plate by screw 2, or respectively installed on the inner side of the mounting base plate and the load-bearing plate facing the transmission plate.

[0011] The slider adopts a roller and bearing structure.

[0012] Beneficial effects: Compared with the prior art, the present invention has the following significant advantages: The present invention adopts a linkage guide rail structure, which can realize linkage operation and enable the door to open to a greater degree; it reduces the demand for installation space and vehicle body space, and realizes large stroke operation in small space; at the same time, the linkage guide rail structure has sufficient rigidity to ensure the integrity of the door movement; it adopts a gear and rack structure, which can complete the linkage with only one gear, reducing weight and making the structure simple and the transmission efficient. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the present invention in its open state; Figure 3 This is a schematic cross-sectional view of the open state of this utility model; Figure 4 This is a structural schematic diagram of the mounting base plate, transmission plate, and load-bearing plate of this utility model; Figure 5 This is a structural schematic diagram of the installation base plate, transmission plate, and load-bearing plate of this utility model in their open states. Figure 6 A schematic diagram showing the structure of this utility model where the slider is replaced with a roller and a bearing; In the diagram, 1 is the mounting base plate; 2 is the transmission plate; 3 is the load-bearing plate; 41 is gear rack one; 42 is gear rack two; 5 is the transmission gear; 6 is the slider; 7 is the pin; 8 is screw one; and 9 is screw two. Detailed Implementation

[0014] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0015] The linkage-extended linear guide rail of this utility model includes a mounting base plate 1, a transmission plate 2, and a load-bearing plate 3 connected in sequence; a transmission gear 5 is provided on the transmission plate 2, and a slider 6 is provided in the track of the transmission plate 2; a gear rack 41 and a gear rack 42 are respectively provided on the mounting base plate 1 and the load-bearing plate 3, or on the inner side of the mounting base plate 1 and the load-bearing plate 3 facing the transmission plate 2; both gear rack 41 and gear rack 42 are in contact with the transmission gear 5; when the gear rack 42 moves with the load-bearing plate 3, it drives the transmission gear 5 to rotate on the gear rack 41, thereby driving the transmission plate 2 to move and achieve a larger opening.

[0016] In this invention, the mounting base plate 1 and the load-bearing plate 3 are inserted into the track of the transmission plate 2 for installation. After installation, the inner surfaces of the mounting base plate 1 and the load-bearing plate 3 contact the slider 6, ensuring the slider 6 maintains its trajectory during movement. The transmission gear 5 is mounted on the transmission plate 2 via pins 7. The slider 6 is fixed within the track of the transmission plate 2 by screws 8. Gear racks 41 and 42 are respectively fixed to the mounting base plate 1 and the load-bearing plate 3 via screws 9, or respectively mounted on the inner surfaces of the mounting base plate 1 and the load-bearing plate 3 facing the transmission plate 2. The slider 6 can employ a roller and bearing structure.

[0017] In use, the mounting base plate 1 is installed onto the door mechanism, and the door frame assembly is connected to the load-bearing plate 3 to realize the door's load-bearing and movement functions. When the load-bearing plate 3 moves, the second gear rack 42 moves along with it, and drives the transmission gear 5 to rotate on the first gear rack 41, thereby driving the transmission plate 2 to move together, realizing the door's opening operation; the bearing 6 in the track on the transmission plate 2 ensures the movement trajectory of itself and the load-bearing plate 3, allowing the door to achieve the correct movement direction; the linkage guide rail structure has sufficient rigidity to ensure the complete movement of the door.

[0018] This utility model adopts a linkage guide rail structure, which can realize linkage operation and enable the car door to open to a greater extent; it reduces the required installation space and vehicle body space, and realizes large stroke operation in small space; at the same time, the linkage guide rail structure has sufficient rigidity to ensure the integrity of the car door movement; it adopts a gear and rack structure, which can complete the linkage with only one gear, reducing weight and making the structure simple and efficient in transmission.

Claims

1. A linkage-extended linear guide rail, characterized in that: The system includes a mounting base plate (1), a transmission plate (2), and a load-bearing plate (3) connected in sequence. The transmission plate (2) is provided with a transmission gear (5), and a slider (6) is provided in the track of the transmission plate (2). On the mounting base plate (1) and the load-bearing plate (3), or on the inner side of the mounting base plate (1) and the load-bearing plate (3) facing the transmission plate (2), a gear rack one (41) and a gear rack two (42) are respectively provided. The gear rack one (41) and the gear rack two (42) are both in contact with the transmission gear (5). When the gear rack two (42) moves with the load-bearing plate (3), it drives the transmission gear (5) to rotate on the gear rack one (41), thereby driving the transmission plate (2) to move.

2. The linkage-extended linear guide rail according to claim 1, characterized in that: The mounting base plate (1) and the load-bearing plate (3) are inserted into the track of the transmission plate (2) for installation.

3. The linkage-extended linear guide rail according to claim 2, characterized in that: After the mounting base plate (1) and the load-bearing plate (3) are installed, their inner surfaces come into contact with the slider (6).

4. The linkage-extended linear guide rail according to claim 1, characterized in that: The transmission gear (5) is mounted on the transmission plate (2) by means of a pin (7).

5. The linkage-extended linear guide rail according to claim 1, characterized in that: The slider (6) is fixed in the track of the transmission plate (2) by screw (8).

6. The linkage-extended linear guide rail according to claim 1, characterized in that: The gear rack 1 (41) and gear rack 2 (42) are respectively fixed to the mounting base plate (1) and the load-bearing plate (3) by screw 2 (9) or respectively installed on the inner side of the mounting base plate (1) and the load-bearing plate (3) facing the transmission plate (2).

7. The linkage-extended linear guide rail according to claim 1, characterized in that: The slider (6) adopts a roller and bearing structure.

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