CN220909465U - Driving device for motor vehicle flip cover - Google Patents

Abstract

The application relates to the technical field of automobile accessories, in particular to a driving device for a motor vehicle flip, the device comprises a driving assembly, a winding assembly and a transmission assembly arranged at the end part of the winding assembly; the winding assembly comprises a winding mechanism and a stay wire, the stay wire is wound at the winding mechanism, and the driving assembly can drive the winding mechanism to rotate; the transmission assembly comprises a rotating mechanism and a transmission mechanism, the transmission mechanism is rotationally connected with the rotating mechanism, and the end part of the stay wire is assembled at the rotating mechanism. The flexible driving device can replace the traditional linear driving device, and compared with the traditional linear driving device which utilizes a stay wire and a winding mechanism, the flexible driving device formed by assembling is lower in cost, and the flexible driving device can realize smoother and more accurate movement, so that the driving device has high accuracy and lower manufacturing cost.

Description

Driving device for motor vehicle flip cover

Technical Field

The application relates to the technical field of automobile accessories, in particular to a driving device for a motor vehicle flip.

Background

With the continuous progress of the automobile industry, electromechanical flip devices have been widely used in doors, covers, trunk covers, etc. of automobiles to improve the convenience and comfort of the entire automobile. The device is connected with the flip through the driving device, so that the flip can be adjusted between a full-open position and a full-closed position. The general driving device is usually composed of a linear driving device mainly composed of a screw and a nut and a transmission device. One end of the linear driver is coupled with the vehicle body, the other end of the linear driver is connected with the transmission mechanism, the transmission mechanism is coupled with the vehicle door, and the linear driver drives the transmission mechanism to move, so that the flip is opened and closed under the action of the transmission mechanism. But the linear driving device is relatively expensive to manufacture and install.

Disclosure of utility model

In order to solve the technical problem of high cost of a driving device adopted by the existing motor vehicle flip, the application provides a driving device for the motor vehicle flip, which is low in cost and high in precision, and comprises a driving component, a winding component and a transmission component arranged at the end part of the winding component, wherein the winding component comprises a winding mechanism and a stay wire, the stay wire is wound at the winding mechanism, and the driving component can drive the winding mechanism to rotate; the transmission assembly comprises a rotating mechanism and a transmission mechanism, wherein the transmission mechanism is rotationally connected with the rotating mechanism, and the end part of the stay wire is assembled at the rotating mechanism.

Further, the motor driving device further comprises a damping device, and the damping device is arranged at the driving assembly.

Further, the novel box comprises a box body and a box cover, the box body is matched with the box cover, and the driving assembly and the winding mechanism are arranged in the box body.

Further, the box body comprises a connecting piece, one end of the connecting piece is rotationally connected with the rotating mechanism, and the other end of the connecting piece is fixedly arranged at the box body.

Compared with the prior art, the utility model has the following beneficial effects: through the cooperation of each mechanism in drive assembly, wire winding subassembly and the drive assembly that set up, pass through hinged joint with the door body of car with the transfer mechanism in this drive arrangement, utilize this drive arrangement, can accomplish opening or closing to car ground door, this flexible drive arrangement can replace traditional linear drive arrangement promptly, and utilize acting as go-between and wire winding mechanism equipment the flexible drive arrangement who forms is lower for current linear drive arrangement that utilizes the vaulting pole cost, and flexible drive arrangement can also realize smoother, more accurate motion, thereby make drive arrangement have high accuracy and lower manufacturing cost.

Drawings

FIG. 1 is a schematic exploded view of a drive assembly for a motor vehicle flip cover according to the present utility model;

Fig. 2 is a schematic view of a first view of a driving device for a motor vehicle flap according to the present utility model;

FIG. 3 is a schematic view of a second view of a drive mechanism for a motor vehicle flip cover according to the present utility model;

Fig. 4 is a schematic view of the use of a driving device for a motor vehicle flap according to the utility model.

Reference numerals illustrate: a motor 1; a damping device 2; a worm 3; a winding mechanism 4; a turbine 5; a mounting shaft 6; a connecting member 7; a pull wire 8; a rotation mechanism 9; a transmission mechanism 10; a case 11; a lid 12; a first hinge 13; a second hinge 14; a pin 15; a connection portion 16.

Detailed Description

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-3, the application discloses a driving device for a motor vehicle flip cover, which comprises a driving component, a winding component and a transmission component arranged at the end part of the winding component, wherein the winding component comprises a winding mechanism 4 and a stay wire 8, the stay wire 8 is wound at the winding mechanism 4, and the driving component can drive the winding mechanism 4 to rotate. The transmission assembly comprises a rotation mechanism 9 and a transmission mechanism 10, wherein the transmission mechanism 10 is rotatably connected to the rotation mechanism 9, and the end of the wire 8 is assembled to the rotation mechanism 9.

The driving device for the motor vehicle flip cover is suitable for a ground door of a motor vehicle, and particularly, the ground door of the motor vehicle refers to a door body positioned below in a tail door of the motor vehicle. The driving assembly comprises a motor 1, a worm 3 and a worm wheel 5 during assembly of the driving device, wherein the worm 3 is arranged at the output end of the motor 1, and the worm wheel 5 is matched with the worm 3. The motor 1 is a bidirectional motor, and the motor 1 is a motor combination and is a whole combining the motor 1 and the gear box. The output end of the motor gear box is provided with internal spline teeth, and the connecting end part of the worm 3 is made into an external spline form, so that the internal spline teeth are matched with the external spline. Thus, the worm 3 can be connected in combination with the motor 1 by inserting it directly into the motor gearbox. After the connection of the motor 1 and the worm 3 is completed, the worm 3 rotates clockwise or anticlockwise along with the forward or reverse rotation of the motor 1. The other end of the worm 3 is provided with a turbine 5, and the turbine 5 is matched with the tooth shape of the worm 3, and the teeth of the turbine 5 roll along the spiral surface of the worm 3 so as to drive the turbine 5 to rotate. Because the winding mechanism 4 and the turbine 5 are coaxially arranged, the turbine 5 can rotate to drive the winding mechanism 4 to synchronously rotate. Specifically, the pull wire 8 is in a transverse U shape, the middle part of the pull wire 8 is wound at the winding mechanism 4, and both end parts of the pull wire 8 are assembled at the rotating mechanism 9; when the winding mechanism 4 rotates, the pull wire 8 runs by friction force, the rotating mechanism 9 connected with the two ends of the pull wire 8 is driven to rotate, and the transmission mechanism 10 rotatably connected with the rotating mechanism 9 is displaced.

Specifically, the wire 8 and the winding mechanism 4 may be provided as a belt and a pulley, and the wire 8 may also be provided as a linear member such as a steel rope. The rotating mechanism 9 is in a long block shape, two end parts of the stay wire 8 are respectively and fixedly assembled at the upper end and the lower end of the rotating mechanism 9, the central position of the rotating mechanism 9 is avoided, and the stay wire 8 is in a tightening state after being assembled; the transmission mechanism 10 is provided in a long shaft shape, is directly rotatably connected to the transmission mechanism 9, and is capable of vertical displacement in accordance with the rotation of the transmission mechanism 9. When the motor 1 rotates in the forward direction, the worm 3 and the turbine 5 drive the winding mechanism 4 to move clockwise, and the rotating mechanism 9 rotates clockwise along with the rotation through the stay wire 8, so that the transmission mechanism 10 is driven to move upwards. On the contrary, when the motor 1 rotates reversely, the worm 3 and the turbine 5 drive the winding mechanism 4 to move anticlockwise, and the rotating mechanism 9 moves anticlockwise along with the stay wire 8, so that the transmission mechanism 10 is driven to move downwards. The transmission mechanism 10 in the driving device is connected with the flip door body of the automobile through a hinge, and when the driving device is started, the ground door of the automobile can be opened or closed. The flexible driving device assembled by the stay wire 8 and the winding mechanism 4 has lower cost compared with the traditional linear driving device by the stay rod, and the flexible driving device can realize smoother and more accurate movement, so that the driving device has high precision and lower manufacturing cost.

As shown in fig. 4, when the driving device provided by the application is used, the driving device can be coupled into an automobile through the hinge assembly, the hinge assembly comprises a first hinge 13 and a second hinge 14, the first hinge 13 is fixedly connected with the automobile body, the second hinge 14 is fixedly connected with the ground door, and the first hinge 13 is connected with the second hinge 14 through a pin shaft 15. The driving device is directly assembled in the ground door, and the connecting part 16 arranged at the tail end of the transmission mechanism 10 penetrates out of the ground door and is rotatably connected with the first hinge 13. Therefore, when the driving device is operated, the transmission mechanism 10 can displace up and down, and apply force to the first hinge 13 through the connecting portion 16, and the first hinge 13 is fixed to the vehicle body, so that the second hinge 14 drives the ground door to rotate around the pin 15 as an axis through the reaction force, so as to control the opening and closing of the ground door.

Further preferably, in other embodiments of the present application, the damping device 2 is further included, and the damping device 2 is disposed between the motor 1 and the worm 3, specifically, an end portion of the worm 3 is provided with an external spline, and an internal spline matched with the external spline is disposed inside the damping device 2. The damping device 2 may provide resistance to movement and consume movement energy. After the damping device 2 is assembled with the motor 1, the worm 3 is inserted into the damping device 2. After the damping device 2 is arranged, when the motor 1 stops rotating, the damping device 2 provides resistance and can prevent the winding mechanism 4 from rotating under the action of external force, so that the ground door connected with the driving device can keep the current open-close state, the door body can be opened at any angle, and the practicability of the driving device is improved.

Further preferably, in other embodiments of the present application, the box body 10 and the box cover 11 are further included, and the driving assembly and the winding mechanism 4 are both disposed in the box body 11. The box body 11 and the box cover 12 are matched with each other, the motor 1, the worm 3, the turbine 5, the winding mechanism 4 and the winding mechanism in the driving assembly are all arranged in the box body 11, and then the box cover 12 is assembled at the box body 11. The box body 11 and the box cover 12 are assembled to form a complete box, the box body 11 and the box cover 12 can be protected and arranged in the motor 1, the worm 3, the winding mechanism 4 and the turbine 5, damage to the motor is avoided, or other sundries are clamped into gears of the turbine 3 and the worm 5 to influence normal use of the driving device, service life of the driving device is prolonged, and practicability of the driving device is improved.

Further preferably, in other embodiments of the present application, the connector 7 is further included, and the connector 7 is rotatably connected with the rotation mechanism 9. One end of the connecting piece 7 is rotatably arranged at the rotating mechanism 9, so that the rotating mechanism 9 can rotate relative to the connecting piece 7, the other end of the connecting piece 7 is fixedly arranged at the box body 11, and specifically, a clamping groove is further formed in the box body 11 and used for limiting the displacement of the connecting piece 7. The connecting piece 7 is specifically set to be a hard device with fixed length, the connecting piece 7 is arranged between the rotating mechanism 9 and the winding mechanism 4, the connecting piece 7 with fixed length can enable the stay wire 8 to be always in a tight state, friction force exists between the stay wire 8 and the winding mechanism 4 all the time, the stay wire 8 cannot slip when the driving device is started, and the practicability of the driving device is improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (5)

1. A drive for a motor vehicle flap, characterized in that: the device comprises a driving component and a winding component, and a transmission component arranged at the end part of the winding component;

the wire winding assembly comprises a wire winding mechanism (4) and a wire drawing (8), the wire drawing (8) is wound at the wire winding mechanism (4), and the driving assembly can drive the wire winding mechanism (4) to rotate;

The transmission assembly comprises a rotating mechanism (9) and a transmission mechanism (10), wherein the transmission mechanism (10) is rotationally connected with the rotating mechanism (9), and the end part of the stay wire (8) is assembled at the rotating mechanism (9).

2. A drive device for a motor vehicle flap according to claim 1, characterized in that: the device also comprises a damping device (2), wherein the damping device (2) is arranged at the driving assembly.

3. A drive device for a motor vehicle flap according to claim 1 or 2, characterized in that: the novel box comprises a box body (11) and a box cover (12), wherein the box body (11) is matched with the box cover (12), and a driving assembly and a winding mechanism (4) are arranged in the box body (11).

4. A drive device for a motor vehicle flap according to claim 1 or 2, characterized in that: the box also comprises a connecting piece (7), one end of the connecting piece (7) is rotationally connected with the rotating mechanism (9), and the other end of the connecting piece (7) is fixedly arranged at the box body (11).

5. A drive device for a motor vehicle flap according to claim 3, characterized in that: the box also comprises a connecting piece (7), one end of the connecting piece (7) is rotationally connected with the rotating mechanism (9), and the other end of the connecting piece (7) is fixedly arranged at the box body (11).