Power assisting device for side sliding door of automobile
By using guide grooves and balls in the vehicle side sliding door power assist device to reduce friction and closing the slide rails through the shielding mechanism driven by the electric cylinder, the existing vehicle side sliding doors require greater force to open and the slide rails are easily blocked, and the convenience and reliability of the doors are improved.
Patent Information
- Application Number
- CN202420770988.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-15
AI Technical Summary
The existing side sliding doors of cars require greater force to open when used, and the slide rails on the surface of the car are easily blocked by debris, resulting in the door opening being blocked.
A vehicle side sliding door power assist device is designed, including a first slide rail and a second slide rail, with guide grooves and balls inside to reduce friction, and through a shielding mechanism composed of components such as straight grooves, moving plates, electric cylinders, etc., the second slide rail is automatically closed to prevent debris from entering.
By reducing the friction force when the door is opened and closed, the owner can open the door with less force, which improves practicality; at the same time, the shielding mechanism effectively prevents debris from entering the slide rail, avoiding the situation where the door slide is blocked.
Smart Images

Figure CN222686447U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile side sliding doors, and more specifically, particularly relates to an automobile side sliding door power assist device. Background Art
[0002] Sliding doors are doors designed on the side of a vehicle that open and close by sliding along the side of the vehicle body instead of swinging outward or flipping upward. They are usually installed in the middle or rear of the vehicle, rather than in the traditional front or rear door locations.
[0003] Based on the above, the inventors have discovered the following problems: current automobile side sliding doors usually require a set of slide rails when in use. Since the doors are heavy, a large force is required to open them. At the same time, one of the slide rails is located on the surface of the vehicle body, and debris may fall into the slide rail located on the surface of the vehicle body, thereby preventing the door from opening.
[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a vehicle side sliding door power assist device is provided, in order to achieve the purpose of having more practical value. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a vehicle side sliding door power assist device to solve the problem that debris may fall into the surface of the vehicle body and cause the door to be blocked from opening.
[0006] The purpose and effect of the vehicle side sliding door booster device of the utility model are achieved by the following specific technical means:
[0007] A vehicle side sliding door assist device comprises a first slide rail and a second slide rail, wherein a group of guide grooves are provided in the first slide rail and the second slide rail, wherein balls are installed in the guide grooves, a connecting plate is installed on the surface of the balls, a vehicle door is installed on the surface of the connecting plate, a mounting block is installed on the surface of the second slide rail, and a shielding mechanism is installed in the mounting block.
[0008] Furthermore, the first slide rail and the second slide rail are undulating, and the surface of the connecting plate is provided with an inclined surface matching therewith.
[0009] Furthermore, the shielding mechanism includes a straight groove, a movable plate, an electric cylinder, a fixed block, a chamber, a movable block, an inclined groove and a protruding block, the straight groove is opened in the front part of the surface of the second slide rail, and the straight groove extends into the mounting block, the movable plate is installed in the straight groove, the electric cylinder is installed in the mounting block, the fixed block is installed on the top of the movable plate, the fixed block is opened in a chamber, the movable block is installed in the chamber, the movable block is connected to the output end of the electric cylinder, the surface of the fixed block is opened with an inclined groove, the protruding block is installed in the inclined groove, and the protruding block is connected to the movable block.
[0010] Furthermore, the movable plate matches the second slide rail.
[0011] Furthermore, a groove is provided on the surface of the vehicle door, a pressure sensor is installed in the groove, and a distance sensor is installed on one side of the vehicle door.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The use of guide grooves and balls reduces the friction when the door is opened and closed, allowing the owner to open the door with less force, thus improving practicality;
[0014] The utility model cooperates with the use of a straight groove, a moving plate, an electric cylinder, a fixed block, a chamber, a moving block, a bevel groove and a protruding block. When the vehicle door is closed, the electric cylinder is started. When the electric cylinder is started, the moving block is driven to move, and the movement of the moving block drives the fixed block to move. The movement of the fixed block drives the moving plate to move. When the moving plate contacts the bottom of the second slide rail, the movement of the moving block drives the protruding block to move in the slide groove, thereby driving the moving plate to move. When the protruding block moves to a specified position, the moving plate is flush with the surface of the second slide rail. Through the above design, the second slide rail can be effectively closed, thereby preventing debris from entering the second slide rail and causing the sliding of the vehicle door to be blocked. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The utility model is a three-dimensional schematic diagram of a power-assisting device for a side sliding door of an automobile.
[0016] Figure 2 The utility model is a schematic diagram of a split slide rail of a power assist device for a side sliding door of an automobile.
[0017] Figure 3 The utility model is a schematic diagram of the assembly of an electric cylinder of a power assist device for a side sliding door of an automobile.
[0018] Figure 4 The utility model is a cross-sectional schematic diagram of a mounting block of a power assist device for a side sliding door of an automobile.
[0019] Figure 5The utility model is an enlarged schematic diagram of point A of a power-assisting device for a side sliding door of an automobile.
[0020] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:
[0021] 1. First slide rail; 2. Second slide rail; 3. Guide groove; 4. Ball bearing; 5. Connecting plate; 6. Car door; 7. Mounting block; 8. Straight groove; 9. Moving plate; 10. Electric cylinder; 11. Fixed block; 12. Chamber; 13. Moving block; 14. Oblique groove; 15. Raised block; 16. Pull groove; 17. Pressure sensor; 18. Distance sensor. DETAILED DESCRIPTION
[0022] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.
[0023] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] Example:
[0026] As attached Figure 1 To Attachment Figure 5 As shown:
[0027] The utility model provides a vehicle side sliding door assist device, comprising a first slide rail 1 and a second slide rail 2, wherein a group of guide grooves 3 are provided in each of the first slide rail 1 and the second slide rail 2, wherein a ball bearing 4 is installed in the guide groove 3, a connecting plate 5 is installed on the surface of the ball bearing 4, a vehicle door 6 is installed on the surface of the connecting plate 5, a mounting block 7 is installed on the surface of the second slide rail 2, and a shielding mechanism is installed in the mounting block 7. By using the guide groove 3 and the ball bearing 4, the friction force when the vehicle door 6 is opened and closed is reduced, so that the vehicle owner can open the vehicle door 6 with less force, thereby improving practicality.
[0028] The first slide rail 1 and the second slide rail 2 are undulating, and the surface of the connecting plate 5 is provided with an inclined surface matching therewith.
[0029] Among them, the shielding mechanism includes a straight groove 8, a movable plate 9, an electric cylinder 10, a fixed block 11, a chamber 12, a movable block 13, an inclined groove 14 and a protruding block 15. The straight groove 8 is opened at the front part of the surface of the second slide rail 2, and the straight groove 8 extends into the mounting block 7. The movable plate 9 is installed in the straight groove 8, and the electric cylinder 10 is installed in the mounting block 7. The top of the movable plate 9 is installed with a fixed block 11, and a chamber 12 is opened in the fixed block 11. The movable block 13 is installed in the chamber 12, and the movable block 13 is connected to the output end of the electric cylinder 10. The surface of the fixed block 11 is opened with an inclined groove 14, and a protruding block 15 is installed in the inclined groove 14, and the protruding block 15 is connected to the movable block 13. Through the coordinated use of the straight groove 8, the movable plate 9, the electric cylinder 10, the fixed block 11, the chamber 12, the movable block 13, the inclined groove 14 and the protruding block 15, when the door 6 is closed, the electric cylinder 10 is started. When the electric cylinder 10 is started, the movable block 13 is driven to move, the movement of the movable block 13 drives the fixed block 11 to move, the movement of the fixed block 11 drives the movable plate 9 to move, when the movable plate 9 contacts the bottom of the second slide rail 2, the movement of the movable block 13 drives the protruding block 15 to move in the slide groove, thereby driving the movable plate 9 to move, when the protruding block 15 moves to the specified position, the movable plate 9 is flush with the surface of the second slide rail 2, through the above design, the second slide rail 2 can be effectively closed, avoiding the situation where debris enters the second slide rail 2 and thereby drives the door 6 to slide blocked.
[0030] The movable plate 9 matches the second slide rail 2 .
[0031] The surface of the door 6 is provided with a groove 16, a pressure sensor 17 is installed in the groove 16, and a distance sensor 18 is installed on one side of the door 6. By using the pressure sensor 17 and the distance sensor 18, when the door 6 is pulled, the electric cylinder 10 controls the moving plate 9 to rise, and when the distance sensor 18 detects that the door 6 is closed, the electric cylinder 10 controls the moving plate 9 to fall.
[0032] The specific usage and function of this embodiment are as follows:
[0033] When the utility model is in use, the device is first installed on the vehicle body and connected to the central control system in the vehicle. When the distance sensor 18 detects that the door 6 is closed, the electric cylinder 10 is started. When the electric cylinder 10 is started, the moving block 13 is driven to move. The movement of the moving block 13 drives the fixed block 11 to move. The movement of the fixed block 11 drives the moving plate 9 to move. When the moving plate 9 contacts the bottom of the second slide rail 2, the movement of the moving block 13 drives the protruding block 15 to move in the slide groove, thereby driving the moving plate 9 to move. When the protruding block 15 moves to the specified position, the moving plate 9 is flush with the surface of the second slide rail 2. When the pressure sensor 17 detects that the door 6 is pulled, the electric cylinder 10 resets and controls the moving plate 9 to rise. At the same time, the guide groove 3 and the ball 4 are used to reduce the friction when the door 6 is opened and closed, so that the owner can open the door 6 with less force. Through the above design, the second slide rail 2 can be effectively closed to avoid the situation where debris enters the second slide rail 2 and drives the door 6 to slide and is blocked, and the door 6 can be opened more easily.
[0034] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.
Claims
1. A vehicle side sliding door power assist device, comprising a first sliding rail (1) and a second sliding rail (2), characterized in that: A group of guide grooves (3) are provided in the first slide rail (1) and the second slide rail (2), a ball bearing (4) is installed in the guide groove (3), a connecting plate (5) is installed on the surface of the ball bearing (4), a vehicle door (6) is installed on the surface of the connecting plate (5), a mounting block (7) is installed on the surface of the second slide rail (2), a shielding mechanism is installed in the mounting block (7), the shielding mechanism comprises a straight groove (8), a movable plate (9), an electric cylinder (10), a fixed block (11), a chamber (12), a movable block (13), an inclined groove (14) and a protruding block (15), the straight groove (8) is provided on the surface of the second slide rail (2) The front part of the surface of the electric cylinder (10) is formed by a straight groove (8), and the straight groove (8) extends into the mounting block (7). A movable plate (9) is installed in the straight groove (8). An electric cylinder (10) is installed in the mounting block (7). A fixed block (11) is installed on the top of the movable plate (9). A chamber (12) is provided in the fixed block (11). A movable block (13) is installed in the chamber (12). The movable block (13) is connected to the output end of the electric cylinder (10). An inclined groove (14) is provided on the surface of the fixed block (11). A protruding block (15) is installed in the inclined groove (14). The protruding block (15) is connected to the movable block (13).
2. The vehicle side sliding door power assist device as claimed in claim 1, characterized in that: The first slide rail (1) and the second slide rail (2) are undulating, and the surface of the connecting plate (5) is provided with an inclined surface matching the first slide rail (1) and the second slide rail (2).
3. The vehicle side sliding door power assist device as claimed in claim 1, characterized in that: The movable plate (9) matches the second slide rail (2).
4. The vehicle side sliding door power assist device as claimed in claim 1, characterized in that: A groove (16) is provided on the surface of the vehicle door (6), a pressure sensor (17) is installed in the groove (16), and a distance sensor (18) is installed on one side of the vehicle door (6).