Automobile sliding door driving device

Abstract

The utility model discloses an automobile sliding door driving device, which is arranged on a bottom plate of an automobile body and connected with a lower hinge of a sliding door, and comprises a driving component, two guide components, a belt, a connecting frame and two guide plates, the driving assembly comprises a motor and a driving gear, the guiding assembly comprises a bottom plate, a cover plate and a guiding wheel, the guiding wheel is rotationally installed between the bottom plate and the cover plate through a rotating shaft, and the cover plate is fixed to the bottom plate; the belt sequentially bypasses the driving gear and the two guide wheels, the connecting frame comprises a fixing part and a connecting part, the fixing part is fixed to the belt, and the connecting part is fixed to the fixing part and fixed to a lower hinge of the sliding door; according to the automobile sliding door driving device, the driving assembly and the two guiding assemblies are all arranged on the automobile body bottom plate, installation is convenient, cost is low, the belt and the connecting frame are matched, the structure is simple and compact, the weight is light, occupied space is small, abrasion of the belt is small, operation is smooth, the overall operation quality of the device is improved, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to automobile technology, in particular to an automobile sliding door driving device. Background Art

[0002] The driving device of the traditional electric sliding door on the side of a car often uses a combination of a motor and a driving wheel to drive a steel wire rope or a belt to pull the door body to move. However, this driving form is not only complex in structure, but the steel wire rope is prone to wear and jamming during movement, which greatly affects the smoothness of the opening and closing of the sliding door and affects the overall service life of the device. In addition, the belt drive type requires a larger fixed installation base or support plate to fix the installation of various sub-components. The overall size is large, the development cycle is long, and the cost is high. Utility Model Content

[0003] In order to solve the defects of the above-mentioned prior art, the utility model provides a vehicle sliding door driving device, which has a simple and compact structure, is light in weight, occupies a small space, runs smoothly, has a long service life, is easy to install and has a low cost.

[0004] To achieve the above technical purpose, the utility model adopts the following technical solution: a vehicle sliding door driving device, which is arranged on the bottom plate of the vehicle body and connected to the lower hinge of the sliding door, comprising

[0005] A driving assembly, comprising a motor and a driving gear, wherein the motor is fixed to the vehicle body bottom plate, the motor output shaft is coaxially arranged with the driving gear, and the motor controls the rotation state of the driving gear;

[0006] Two guide assemblies are respectively arranged at the two ends of the lower guide rail of the sliding door, the guide assemblies include a bottom plate, a cover plate and a guide wheel, the guide wheel is rotatably installed between the bottom plate and the cover plate through a rotating shaft, the cover plate is fixed to the bottom plate, and the bottom plate is fixed to the bottom plate of the vehicle body;

[0007] A belt, passing around the driving gear and two guide wheels in sequence, wherein the belt is adjusted in moving distance and moving direction by the rotation state of the driving gear;

[0008] The connecting frame comprises a fixing part and a connecting part, wherein the fixing part is fixed to the belt, and the connecting part is fixed to the fixing part and to the lower hinge of the sliding door.

[0009] Preferably, it also includes at least one guide plate, which is arranged between two guide wheels. The side of the guide plate that is in contact with the belt is provided with a guide groove for guiding the movement of the belt. The other side of the guide plate is provided with a plurality of through holes, and fastening bolts pass through the through holes to fix the guide plate to the bottom plate of the vehicle body.

[0010] Preferably, the two ends of the bottom plate and the two ends of the cover plate are fixed by welding, and bolt holes are provided at both ends of the bottom plate, and the bottom plate and the cover plate are fixed to the bottom plate of the vehicle body by fixing bolts.

[0011] Preferably, there are two connecting parts, and the two connecting parts are respectively fixed on both sides of the fixing part.

[0012] Preferably, the fixing portion and the connecting portion are screwed.

[0013] Preferably, a threaded hole is provided on the connecting portion and is fixed to the lower hinge of the sliding door by a locking bolt.

[0014] Preferably, tension wheels are provided on both sides of the driving gear, and the tension wheels are used to press the belt against the driving gear.

[0015] In summary, the utility model has achieved the following technical effects:

[0016] The automobile sliding door driving device of the utility model arranges the driving component and the two guide components on the bottom plate of the vehicle body, which is easy to install and has low cost. In combination with the belt and the connecting frame, it has a simple and compact structure, is light in weight, occupies a small space, has less belt wear and runs smoothly, and improves the overall operation quality and service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the automobile sliding door driving device of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the automobile sliding door driving device of the utility model;

[0019] Figure 3 yes Figure 2 A magnified view of part A;

[0020] Figure 4 yes Figure 2 A magnified view of part B;

[0021] Figure 5 It is a schematic diagram of the installation structure of the automobile sliding door driving device of the utility model installed on the bottom plate of the vehicle body;

[0022] Explanation of the reference numerals in the drawings in the specification: 1. Motor; 11. Driving gear; 12. Tensioning pulley; 2. Belt; 3. Guide plate; 4. Fixed frame; 41. Bottom plate; 42. Cover plate; 5. Guide wheel; 6. Connecting frame; 61. Fixed part; 62. Connecting part; 7. Bottom plate of vehicle body; 8. Lower guide rail of sliding door; 9. Lower hinge of sliding door. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0029] Embodiment 1:

[0030] like Figure 1 As shown in Figure 5, a vehicle sliding door driving device is arranged on the bottom plate 7 of the vehicle body and connected to the lower hinge 9 of the sliding door, including a driving component, two guide components, a belt 2, a connecting frame 6 and two guide plates 3. The driving component includes a motor 1 and a driving gear 11. The motor 1 is fixed to the bottom plate 7 of the vehicle body. The output shaft of the motor 1 is coaxially arranged with the driving gear 11. The motor 1 controls the rotation state of the driving gear 11; the two guide components are respectively arranged at both ends of the lower guide rail 8 of the sliding door. The guide component includes a bottom plate 41, a cover plate 42 and a guide wheel 5. The guide wheel 5 is rotatably installed between the bottom plate 41 and the cover plate 42 through a rotating shaft. The cover plate 42 is fixed on the bottom plate 41; the belt 2 passes around the driving gear 11 and the two guide wheels 5 in sequence, and the belt 2 adjusts the moving distance and moving direction according to the rotation state of the driving gear 11; the connecting frame 6 includes a fixing portion 61 and a connecting portion 62, the fixing portion 61 is fixed to the belt 2, and the connecting portion 62 is fixed to the fixing portion 61 and to the lower hinge 9 of the sliding door; the guide plate 3 is arranged between the two guide wheels 5, and a guide groove for guiding the movement of the belt 2 is provided on the side of the guide plate 3 that is in contact with the belt 2, and a plurality of through holes are opened on the other side of the guide plate 3, and fastening bolts pass through the through holes to fix the guide plate 3 to the bottom plate 7 of the vehicle body.

[0031] The two ends of the bottom plate 41 and the two ends of the cover plate 42 are fixed by welding. Bolt holes are opened at both ends of the bottom plate 41. The fixing bolts fix the bottom plate 41 and the cover plate 42 to the vehicle body bottom plate 7. The separate arrangement of the bottom plate 41 and the cover plate 42 can facilitate the installation and positioning of the guide wheel 5, and at the same time increase the overall strength of the guide assembly.

[0032] There are two connecting parts 62, and the two connecting parts 62 are respectively fixed on both sides of the fixing part 61; the fixing part and the connecting part 62 are screwed; a threaded hole is opened on the connecting part 62, which is fixed to the lower hinge 9 of the sliding door by bolts; the setting of the two connecting parts 62 can provide better force, so as to facilitate the transmission of the movement of the belt 2 to the door, thereby improving the smoothness of opening and closing of the door.

[0033] Tensioning wheels 12 are provided on both sides of the driving gear 11 , and the tensioning wheels 12 are used to press the belt 2 against the driving gear 11 .

[0034] To sum up, the automobile sliding door drive device of this embodiment arranges the drive component and the two guide components on the vehicle body bottom plate 7, which is easy to install and has low cost. In combination with the belt 2 and the connecting frame 6, it has a simple and compact structure, is light in weight, occupies a small space, and the belt 2 has less wear and runs smoothly, thereby improving the overall operation quality and service life of the device.

[0035] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A vehicle sliding door driving device, arranged on the bottom plate of the vehicle body and connected to the lower hinge of the sliding door, characterized in that: include A driving assembly, comprising a motor and a driving gear, wherein the motor is fixed to the vehicle body bottom plate, the motor output shaft is coaxially arranged with the driving gear, and the motor controls the rotation state of the driving gear; Two guide assemblies are respectively arranged at the two ends of the lower guide rail of the sliding door, the guide assemblies include a bottom plate, a cover plate and a guide wheel, the guide wheel is rotatably installed between the bottom plate and the cover plate through a rotating shaft, the cover plate is fixed to the bottom plate, and the bottom plate is fixed to the bottom plate of the vehicle body; A belt, passing around the driving gear and two guide wheels in sequence, wherein the belt is adjusted in moving distance and moving direction by the rotation state of the driving gear; The connecting frame comprises a fixing part and a connecting part, wherein the fixing part is fixed to the belt, and the connecting part is fixed to the fixing part and to the lower hinge of the sliding door.

2. The vehicle sliding door driving device according to claim 1, characterized in that: It also includes at least one guide plate, which is arranged between two guide wheels. The side of the guide plate that is in contact with the belt is provided with a guide groove for guiding the movement of the belt. The other side of the guide plate is provided with a plurality of through holes, and fastening bolts pass through the through holes to fix the guide plate to the bottom plate of the vehicle body.

3. The vehicle sliding door driving device according to claim 1, characterized in that: The two ends of the bottom plate and the two ends of the cover plate are fixed by welding. Bolt holes are provided at both ends of the bottom plate. The bottom plate and the cover plate are fixed to the bottom plate of the vehicle body by fixing bolts.

4. The vehicle sliding door driving device according to claim 1, characterized in that: There are two connecting parts, and the two connecting parts are respectively fixed on both sides of the fixing part.

5. The vehicle sliding door driving device according to claim 4, characterized in that: The fixing portion and the connecting portion are screwed.

6. The vehicle sliding door driving device according to claim 4, characterized in that: The connecting part is provided with a threaded hole and is fixed to the lower hinge of the sliding door by a locking bolt.

7. The vehicle sliding door driving device according to claim 1, characterized in that: Tension wheels are provided on both sides of the driving gear, and the tension wheels are used to press the belt against the driving gear.

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