CN217106623U - Opening and closing mechanism for vehicle tail gate - Google Patents

Abstract

An opening and closing mechanism of a vehicle tailgate comprising: a hinge rotatably mounted on the vehicle body; the sliding rail is arranged on the tail gate; the guide piece is rotatably arranged on the hinge and can slide on the sliding rail; a first drive mechanism for controlling a rotational position of the guide relative to the hinge; and a second driving mechanism for sliding the guide relative to the slide rail. Through the cooperation of slewing mechanism and slide mechanism, can make the vehicle tail-gate can follow different orbit motion, adapt to various use occasions or demands.

Description

Opening and closing mechanism for vehicle tail gate

Technical Field

The utility model relates to an operating mechanism of vehicle tail-gate.

Background

Conventionally, in a vehicle such as an automobile, a closing member for opening and closing an opening of a vehicle body is provided at an appropriate position. For example, in a vehicle such as a truck or a van, a tailgate as a closing member is provided at a rear portion of a vehicle body, and a trunk room provided at the rear portion of the vehicle body is opened and closed by the tailgate. As such a tailgate, a structure that opens and closes in the vertical direction is widely used, and an automatic opening and closing device that automatically opens and closes the tailgate using an electric motor as a drive source is also provided.

As shown in fig. 1, patent document 1 discloses an opening and closing structure of a vehicle tail gate, in which a tail gate 11 has a slide portion 16, and the tail gate 11 is moved to above the roof of a vehicle body rear portion 10 by sliding a pin 17 of a rear end of an upper link mechanism 12 in the slide portion 16. That is, as the telescopic arm 21 is extended and contracted, the pin 17 slides in the sliding portion 16, and the tailgate 11 is opened and closed along a certain trajectory accordingly. However, as shown in fig. 2, in the processes (1) to (4) in which the tailgate 11 moves, for example, at the positions (2) and (3), the upper end of the tailgate 11 protrudes relatively above the roof of the rear body 10 (the region indicated by the broken line box in fig. 1). Therefore, if there is an obstacle (e.g., a ceiling or the like) above the roof of the rear body 10, it may occur that the tailgate 11 interferes with the obstacle, affects the movement of the tailgate 11, or a collision occurs, causing damage to the tailgate 11 or the obstacle.

Documents of the prior art

Patent document 1: japanese laid-open patent publication No. 61-113882

SUMMERY OF THE UTILITY MODEL

The utility model provides a closing mechanism of vehicle tail-gate, it passes through slewing mechanism and slide mechanism's cooperation, makes the vehicle tail-gate can be along the orbit motion of difference, adapts to various use occasions or demand.

The utility model discloses an opening and closing mechanism of vehicle tail-gate includes: a hinge rotatably mounted on the vehicle body; the sliding rail is arranged on the tail gate; the guide piece is rotatably arranged on the hinge and can slide on the sliding rail; a first drive mechanism for controlling a rotational position of the guide relative to the hinge; and a second driving mechanism for sliding the guide relative to the slide rail.

In an embodiment of the invention, the first drive mechanism is adapted to rotate the guide such that the upper end of the tailgate in the driven process does not exceed its upper end position in the fully open state.

In an embodiment of the present invention, when there is an obstacle in the position of the tailgate in its fully open state, the second driving mechanism restricts the sliding of the guide member with respect to the slide rail.

In an embodiment of the invention, the guide comprises a shaft part pivoted with the hinge, an arm part extending on both sides of the shaft part, and at least two rollers connecting the arm part and the slide rail.

In an embodiment of the present invention, the opening and closing mechanism of the vehicle tail gate further includes a third driving mechanism for driving the hinge.

In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a known opening and closing mechanism of a vehicle tail gate.

Fig. 2 is a schematic view of an opening and closing process of the vehicle tailgate of fig. 1.

Fig. 3 is a vehicle body rear structure according to an embodiment of the present invention.

Fig. 4 is a schematic view of an opening and closing mechanism applied to the vehicle tail gate of fig. 3.

Fig. 5 is a drive assembly of the vehicle tailgate and opening-closing mechanism of fig. 3.

Fig. 6A-6C show an opening mode of the vehicle tail gate of the present invention.

Fig. 7A-7B illustrate another opening mode of the tailgate of the present invention.

Description of the reference numerals

10: rear part of vehicle body

11: tail gate

12: upper connecting rod mechanism

16: sliding part

17: pin

21: telescopic arm

30: rear part of vehicle body

32: vehicle tail gate

300: opening and closing mechanism

310: hinge assembly

320: sliding rail

330: guide member

332: shaft part

334: arm part

336: roller wheel

340: first driving mechanism

342: rotating electrical machine

344: pivot shaft

350: second driving mechanism

352: rotating electrical machine

354: pivot shaft

356: conveyor belt

360: third driving mechanism

362: rotating electrical machine

364: pivot shaft

370: luggage

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings.

It should be noted that the drawings are drawings showing only the main structure for easy understanding of the present invention, and there are cases where the structure or the specific shape thereof which does not affect the understanding of the technical aspects of the present invention is omitted. In different embodiments, the same reference signs are used for the same or similar elements to facilitate comparison and understanding. In the following description, up, down, left, right, front, and rear are based on the direction viewed by an occupant seated in the seat. In addition, the following embodiments illustrate partial vehicle body structures as examples, and only the portions related to the technical solutions of the present application are expressed, and other portions can adopt the technical solutions known to those skilled in the art. At the same time, it will be appreciated by those skilled in the art that the teachings of the present application can be reasonably applied to similar vehicle body structures.

Fig. 3 is a vehicle body rear structure according to an embodiment of the present invention. Fig. 4 is a schematic view of an opening and closing mechanism applied to the vehicle tail gate of fig. 3. The vehicle tail gate 32 of the present embodiment is, for example, a gate body that is mounted on the vehicle body rear portion 30 and can be opened upward. The opening/closing mechanism 300 includes a hinge 310 rotatably mounted to the vehicle body rear portion 30 by, for example, a pivot joint; a slide rail 320 provided on the vehicle tail gate 32; and a guide 330 rotatably disposed on the hinge 310 by, for example, a pivot, and slidable on the slide rail 320.

Specifically, the hinge 310 of the present embodiment is L-shaped, for example, to provide an appropriate movement stroke in accordance with the opening and closing operation of the vehicle tailgate 32. In addition, the guiding element 330 of the present embodiment is, for example, a substantially U-shaped or arc-shaped structure, and includes a shaft portion 332 located at the middle position and pivotally connected to the hinge 310, and two arm portions 334 located at two sides of the shaft portion 332 and extending toward the sliding rail 320. The two arms 334 have two rollers 336 at their ends that are slidably disposed on the rail 320 and allow the guide 330 to slide relative to the rail 320. In the embodiment, the roller 336 is, for example, a gear, and the sliding rail 320 is, for example, provided with a rack coupled thereto, so as to realize the relative movement between the guide 330 and the sliding rail 320. Of course, the structure of the hinge 310 or the guide 330 is merely an example, and those skilled in the art can modify the structure of the hinge 310 or the guide 330 according to the prior art, such as the shape or size of the hinge 310, the shape or size of the guide 330, the number or shape of the rollers 336, and the like, to achieve the same or similar functions.

In this manner, during the opening or closing of the vehicle tailgate 32, the hinge 310 rotates relative to the rear body 30, the guide 330 rotates relative to the hinge 310, and the guide 330 can be selectively slid relative to the slide rail 320 to effect the rotation and movement of the vehicle tailgate 32 relative to the rear body 30.

Fig. 5 further illustrates the drive assembly of the vehicle tailgate 32 and opening and closing mechanism 300 of fig. 3. The present embodiment provides a first driving mechanism 340 connecting the guide 330 and the hinge 310, which includes, for example, a rotating motor (motor) 342, and drives the guide 330 and the hinge 310 to rotate relative to each other via a pivot 344 to control the rotational position of the guide 330 relative to the hinge 310. Meanwhile, the vehicle tail gate 32 can also be driven to rotate relative to the vehicle body rear part 30 through the first driving mechanism 340.

In addition, the present embodiment further includes a second driving mechanism 350, which includes, for example, a rotating electric machine (motor) 352, and drives the guide 330 to slide relative to the slide rail 320 via a pivot 354 and a conveyor 356 to control the sliding position of the vehicle tail gate 32 relative to the hinge 310. That is, the vehicle tail gate 32 can be slid with respect to the vehicle rear body 30 by the second drive mechanism 350.

Further, the present embodiment further includes a third drive mechanism 360 that includes, for example, a rotating electric machine (motor) 362 and drives the hinge 310 to rotate relative to the rear body portion 30 via a pivot 364, that is, rotates the vehicle tailgate 32 relative to the rear body portion 30.

In this way, by individually controlling the output amounts of the first drive mechanism 340, the second drive mechanism 350, and the third drive mechanism 360, the rotational position and the sliding position of the vehicle trunk 32 with respect to the vehicle rear portion 30 can be adjusted. In other words, the movement locus of the tailgate 32 with respect to the vehicle body rear portion 30 can be freely set according to various use occasions or requirements.

Fig. 6A-6C illustrate one manner of opening the vehicle tailgate 32. Referring to fig. 5 and fig. 6A to 6C, first, the first driving mechanism 340 drives the guide 330 to rotate relative to the hinge 310, and the third driving mechanism 360 drives the hinge 310 to rotate relative to the rear body 30, so that the vehicle tail gate 32 can rotate relative to the rear body 30 through two rotation axes; at the same time, the second driving mechanism 350 drives the guide 330 to slide relative to the slide rail 320, so as to slide the vehicle tail gate 32 relative to the vehicle body rear portion 30, so that the vehicle tail gate 32 moves from the closed position shown in fig. 6A to the intermediate position shown in fig. 6B.

In the present embodiment, the vehicle is in an environment where the space height (the height line L in fig. 6A to 6C) is limited, for example, the ceiling above the vehicle is low or there is other obstacle, so it is necessary to avoid the vehicle tail gate 32 from exceeding the height line L during the opening movement and colliding with the ceiling or the obstacle. Therefore, when the vehicle tailgate 32 approaches or reaches the critical height position as shown in fig. 6B, the output of the third drive mechanism 360 may be stopped, and the vehicle tailgate 32 continues to rotate relative to the vehicle rear body 30 only by the first drive mechanism 340. Also, the second drive mechanism 350 drives the vehicle tailgate 32 to continue sliding relative to the rear vehicle body 30, so that the vehicle tailgate 32 moves from the intermediate position shown in fig. 6B to the fully open position shown in fig. 6C without exceeding the height line L.

Fig. 7A-7B illustrate another opening mode of the vehicle tailgate 32. Referring to fig. 5 and 7A-7B, this embodiment shows a situation where the height of the space is not limited, but the luggage 370 or other objects may be placed on the top of the vehicle. In this case, if the opening manner of the foregoing embodiment is adopted, the vehicle tailgate 32 may interfere with the luggage 370 or other objects on the top of the vehicle during the movement to the fully open position. Therefore, the present embodiment selectively adjusts or stops the output of the second drive mechanism 350, avoids excessive sliding of the vehicle tail gate 32, or restricts sliding of the vehicle tail gate 32 relative to the vehicle body rear portion 30. In this manner, the guide 330 is driven to rotate relative to the hinge 310 by the first drive mechanism 340, and the hinge 310 is driven to rotate relative to the rear vehicle body 30 by the third drive mechanism 360, so that the vehicle tail gate 32 rotates relative to the rear vehicle body 30, moving from the closed position shown in fig. 7A to the fully open position shown in fig. 7B. It should be noted that the opening mode of the present embodiment does not completely prohibit the sliding of the vehicle tailgate 32 with respect to the vehicle rear portion 30, and in other embodiments, the output of the second drive mechanism 350 may be adjusted according to the actual environment, so that the vehicle tailgate 32 slides within the allowable range with respect to the vehicle rear portion 30.

To sum up, the utility model provides a switching mechanism of vehicle tail-gate can adapt to various use occasions or demands, wherein through slewing mechanism and slide mechanism's cooperation to control corresponding actuating mechanism's output, can make the vehicle tail-gate can move along the orbit of difference. Therefore, the actuating space and the use elasticity of the vehicle tail gate are improved, the mutual interference between the vehicle tail gate and an external obstacle can be effectively avoided, and the use adequacy of the vehicle tail gate is maintained.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (9)

1. An opening and closing mechanism of a vehicle tailgate, characterized by comprising:

a hinge rotatably mounted on the vehicle body;

the sliding rail is arranged on the tail gate;

the guide piece is rotatably arranged on the hinge and can slide on the sliding rail;

a first drive mechanism for controlling a rotational position of the guide relative to the hinge; and

and the second driving mechanism is used for enabling the guide piece to slide relative to the sliding rail.

2. The opening-closing mechanism of a vehicle tail-gate according to claim 1,

the first drive mechanism is adapted to rotate the guide such that the upper end of the tailgate does not exceed its upper end position in the fully open condition during being driven.

3. The opening-closing mechanism of a vehicle tail-gate according to claim 1 or 2,

when an obstacle exists at the position of the tail gate in the fully-opened state, the second driving mechanism limits the sliding of the guide piece relative to the sliding rail.

4. The opening-closing mechanism of a vehicle tail-gate according to claim 1 or 2,

the guide member includes a shaft portion pivotally connected to the hinge, arm portions extending on both sides of the shaft portion, and at least two rollers connecting the arm portions and the slide rail.

5. The opening-closing mechanism of a vehicle tail-gate according to claim 3,

the guide member includes a shaft portion pivotally connected to the hinge, arm portions extending on both sides of the shaft portion, and at least two rollers connecting the arm portions and the slide rail.

6. The opening and closing mechanism of a vehicle tailgate according to claim 1 or 2, characterized by further comprising:

a third drive mechanism for driving the hinge.

7. The opening and closing mechanism of a vehicle tailgate according to claim 3, characterized by further comprising:

a third drive mechanism for driving the hinge.

8. The opening-closing mechanism of a vehicle tailgate according to claim 4, characterized by further comprising:

a third drive mechanism for driving the hinge.

9. The opening-closing mechanism of a vehicle tailgate according to claim 5, characterized by further comprising:

a third drive mechanism for driving the hinge.

Images