CN219471879U - Automobile door opening and closing device and automobile - Google Patents

Abstract

The utility model belongs to the technical field of vehicle control, and discloses an automobile door opening and closing device and an automobile. The automobile door opening and closing device comprises a guide piece, a sliding piece, a connecting piece and a driving assembly, wherein the guide piece is fixedly arranged in an automobile door along a preset linear direction, the sliding piece is arranged on the guide piece in a sliding mode along the length direction of the guide piece, two ends of the connecting piece are respectively connected with an automobile body and the sliding piece in a transmission mode, the driving assembly is arranged on the sliding piece, and the driving assembly is used for driving the sliding piece to slide. The automobile door opening and closing device drives the automobile door to open or close, achieves the effect of the limiter in the traditional automobile door opening and closing device, omits the structure of the limiter, and further enables the automobile door opening and closing device to be compact in structure and strong in adaptability to different types of automobile doors. The automobile provided by the utility model comprises the automobile door and the automobile door opening and closing device, so that convenience in opening and closing the automobile door by a user of the automobile is improved.

Description

Automobile door opening and closing device and automobile

Technical Field

The utility model relates to the technical field of vehicle control, in particular to an automobile door opening and closing device and an automobile.

Background

With the rapid development of the automobile industry, the requirement of users on comfort is further improved, and the automatic opening and closing function of automobile doors gradually enters the public view. Specifically, the automatic opening and closing function of the automobile door is that the automobile door is automatically (electrically) opened to replace the traditional action of manually opening and closing the automobile door by a user, and the automobile door can be automatically opened or closed only by triggering the corresponding opening and closing.

In the prior art, most devices for realizing opening and closing of automobile doors comprise a limiter for limiting the opening degree of the automobile door, so that the structure of the device is complex, and the device has the defects.

Therefore, the above-described problems are to be solved.

Disclosure of Invention

The utility model aims to provide an automobile door opening and closing device and an automobile, which are used for solving the problem that the device for realizing automatic opening and closing of the automobile door in the prior art is complex in structure.

To achieve the purpose, the utility model adopts the following technical scheme: an automobile door opening and closing device includes:

the guide piece is fixedly arranged in the automobile door along a preset straight line direction;

the sliding piece is arranged on the guide piece in a sliding manner along the length direction of the guide piece;

the sliding piece is in transmission connection with the vehicle body through the connecting piece, and can drive the connecting piece to swing when sliding along the guide piece; and

and the driving assembly is configured to drive the sliding piece to slide back and forth, and is arranged on the sliding piece.

Preferably, the automobile door opening and closing device further comprises a sliding rail, wherein the sliding rail is fixedly arranged in the automobile door along a preset linear direction, and the sliding piece is in sliding connection with the sliding rail.

Preferably, the guide piece is a screw rod, and two ends of the screw rod are fixedly connected with structural parts in the automobile door;

the sliding piece comprises a nut, and the lead screw is in threaded connection with the nut.

Preferably, the connecting piece is located above and/or below the sliding rail.

Preferably, a sealing element is sleeved on the screw rod, and the length of the sealing element can be changed in a telescopic way along with the sliding of the sliding element.

Preferably, the sealing member is a bellows, one end of the bellows is connected to one end of an automobile door or the screw rod, and the other end of the bellows is connected to the sliding member.

Preferably, the connecting piece is a connecting rod, one end of the connecting rod is hinged with the sliding piece, and the other end of the connecting rod is hinged with the vehicle body.

Preferably, the driving assembly includes:

the driving motor is fixedly arranged on the sliding piece;

the first gear piece is coaxially and fixedly connected with an output shaft of the driving motor;

the second gear piece is meshed with the first gear piece for transmission, and the second gear piece is fixedly connected with the nut coaxially.

Preferably, the second gear member is provided with a central hole, and the nut is embedded in the central hole.

An automobile comprises an automobile door and the automobile door opening and closing device.

The utility model has the beneficial effects that:

in practical application, slide along the guide piece through drive assembly drive slider, promote the connecting piece swing by the slider again, because of this car door headstock gear sets up in the car door, only keeps away from the one end of slider through the connecting piece and links to each other with the automobile body, finally makes the connecting piece reverse promotion car door rotate to realize opening or closing of car door. Therefore, the opening degree of the automobile door depends on the sliding distance of the sliding piece along the guide piece, so that the automobile door opening and closing device provided by the utility model can realize the function of a limiter in the traditional automobile door opening and closing device while driving the automobile door to open or close, and the structure of the limiter is omitted, so that the automobile door opening and closing device is compact in structure and strong in adaptability to different types of automobile doors.

Drawings

FIG. 1 is a schematic view of a structure of an automobile door opening and closing device provided by the utility model;

FIG. 2 is a schematic view of an automobile door opening and closing device according to the present utility model with the slider removed.

In the figure:

1. a guide member; 2. a slider; 21. a slide block; 22. a nut; 3. a connecting piece; 4. a drive assembly; 41. a driving motor; 42. a first gear member; 43. a second gear member; 431. a central bore.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., azimuth or positional relationship are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of operations, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Examples:

referring to fig. 1, the present embodiment provides an automobile door opening and closing device, which includes a guide member 1, a sliding member 2, a connecting member 3, and a driving assembly 4. The guide piece 1 is fixedly arranged in an automobile door along a preset straight line direction, and the sliding piece 2 is slidingly arranged on the guide piece 1 along the length direction of the guide piece 1. The sliding part 2 is in transmission connection with the vehicle body through the connecting part 3, and the sliding part 2 can drive the connecting part 3 to swing when sliding along the guide part 1. The driving assembly 4 is provided on the slider 2, and the driving assembly 4 is configured to drive the slider 2 to reciprocate.

In actual application, slide by drive assembly 4 drive slider 2 along guide 1 earlier, simultaneously, because of drive assembly 4 sets up on slider 2 for slider 2 can drive the synchronous motion of drive assembly 4 when sliding, promote connecting piece 3 swing by slider 2 again, because of this car door headstock gear sets up in the car door, only keep away from the one end of slider 2 through connecting piece 3 and link to each other with the automobile body, finally by connecting piece 3 reverse promotion car door rotation, in order to realize opening or closing of car door, thereby make the degree of opening of car door controlled by the slip distance of slider 2 along guide 1, the structure of stopper has been saved from this, and then make car door headstock gear compact structure, strong adaptability to different grade type car door. In addition, it should be noted that the provision of the drive assembly 4 on the slider 2 can reduce modifications to the vehicle door when the vehicle door opening and closing device is installed.

Referring to fig. 1 and 2, the automobile door opening and closing device further includes a sliding rail (not labeled in the drawing), the sliding rail is fixedly disposed in the automobile door along the length direction (preset linear direction) of the screw rod, and the sliding member 2 is slidably connected with the sliding rail. Specifically, the guide member 1 is a screw rod, the screw rod is disposed in the automobile door in a horizontal direction (a preset linear direction), and both ends of the screw rod are fixedly connected with structural members in the automobile door. The slide rail is located the lead screw top, and the slide rail is unanimous with the length direction of lead screw. The sliding piece 2 comprises a sliding block 21 and a nut 22, the sliding block 21 is in sliding connection with the sliding rail, the nut 22 is arranged on the sliding block 21, and the nut 22 is in threaded connection with the lead screw. It should be noted that, in this embodiment, the nut 22 and the slider 21 are rotatably connected by a bearing, or other structures known to those skilled in the art are used instead, and the present embodiment is not limited specifically.

Based on the above, when the screw is fixed, a screw-nut pair is formed between the screw and the nut 22, the driving assembly 4 drives the nut 22 to rotate, the nut 22 moves along the length direction of the screw, and the slide rail plays a guiding role on the slide block 21, so that the nut 22 drives the slide block 21 to slide along the slide rail while realizing self rotation. The transmission mode of the screw and the nut 22 has the advantages of simple structure, small friction loss and high transmission efficiency.

Meanwhile, in order to prevent the screw from being rusted or foreign matters from falling into the screw to affect the movement of the nut 22, a sealing member (not shown) is sleeved on the screw, and the length of the sealing member can be telescopically changed along with the sliding movement of the sliding member 2 (the movement distance of the nut 22). Specifically, the sealing member is a bellows, and one end of the bellows is connected with one end of an automobile door or a screw rod, and the other end of the bellows is connected with the sliding member 2. In this embodiment, two bellows are provided, the end that two bellows kept away from each other is fixedly connected with the both ends of lead screw respectively, and the end that two bellows are close to each other is fixedly connected with the both sides that slider 21 is relative respectively. It will be appreciated that the end of the two bellows remote from each other may also be fixedly connected to the vehicle door, as the lead screw is fixed within the vehicle door. It will be appreciated that when the slider 21 moves along the screw, the slider 21 compresses one side of the bellows and stretches the other side of the bellows, and during this process the screw is always in both bellows, thereby helping to reduce the occurrence of rust or foreign matter falling into the screw, and thus helping to ensure normal reciprocation of the slider 2.

In addition, in order to optimize the utilization ratio of the space in the automobile door, the connecting piece 3 is located above and/or below the sliding rail, so that the connecting piece 3 and the sliding rail are staggered in the automobile door, the space in the automobile door can be more reasonably utilized, and meanwhile the influence of the sliding rail on the swinging of the connecting piece 3 can be avoided. It should be noted that, in this embodiment, the connecting piece 3 is disposed below the sliding rail, in other embodiments, the connecting piece 3 may also be disposed above the sliding rail, or two connecting pieces 3 may also be disposed, and the two connecting pieces 3 are disposed above and below the sliding rail, so that the structure of the automobile door opening and closing device may be firmer by disposing the two connecting pieces 3. It should be noted that, in other embodiments, when the sliding rail is formed by a sliding groove formed in the door of the automobile, the connecting member 3 may also be disposed in the sliding groove, that is, the connecting member 3 is located in the sliding rail. The positional relationship of the connecting piece 3 is not specifically required or limited in this embodiment, and the connecting piece 3 can be arranged according to the actual application scenario under the condition that the normal use of the connecting piece 3 is satisfied.

In this embodiment, the connecting piece 3 is a connecting rod, one end of the connecting rod is hinged with the sliding piece 2, the other end of the connecting rod is hinged with the vehicle body, namely, two ends of the connecting rod are respectively hinged with the sliding block 21 and the vehicle body, so that the connecting piece 3, the vehicle body and the sliding piece 2 form a connecting rod mechanism, the connecting rod mechanism is a low-pair mechanism, the kinematic pair is in surface contact, the pressure intensity is small, the bearing capacity is high, the impact resistance is high, and the stable operation in the opening and closing process of the vehicle door is further guaranteed.

Further, the structure of the driving assembly 4 will be described with reference to fig. 1 and 2, and the driving assembly 4 includes a driving motor 41, a first gear member 42, and a second gear member 43. The driving motor 41 is fixedly arranged on the sliding member 2, the first gear member 42 is fixedly connected with the output shaft of the driving motor 41 coaxially, the second gear member 43 is meshed with the first gear member 42 for transmission, the second gear member 43 is fixedly connected with the nut 22 coaxially, that is, a central hole 431 is formed in the second gear member 43, and the nut 22 is embedded in the central hole 431. It will be appreciated that locating the nut 22 within the central bore 431 of the second gear member 43 helps to further optimize the structure of the vehicle door opening and closing device for a more compact and smaller footprint. In addition, the first gear member 42 is driven by the driving motor 41, and the second gear member 43 is driven by the first gear member 42 to rotate, so that the nut 22 can be driven to rotate, and the movement direction of the nut 22 can be controlled by adjusting the forward and reverse rotation of the driving motor 41, i.e. the opening or closing of the automobile door can be realized by controlling the rotation direction of the automobile door in the embodiment. The gear member 43 and the nut 22 may be integrally formed for improving the structural strength of the door opening and closing device of the automobile.

Specifically, the slider 21 is provided in a hollow rectangular parallelepiped shape, the driving motor 41 is mounted on the upper side of the slider 21, and an output shaft of the driving motor 41 penetrates through the upper side wall of the slider 21 and extends into the slider 21. In this embodiment, the first gear member 42 is a worm, and the second gear member 43 is a worm wheel. The worm is coaxially fixed on the output shaft of the driving motor 41, the worm wheel is meshed with the worm for transmission, the worm wheel is positioned in the inner cavity of the sliding block 21, and the two opposite sides of the worm wheel are connected with the two opposite inner walls of the sliding block 21 through bearings. Of course, in other embodiments, the output shaft of the driving motor 41 may be fixed in the inner cavity of the slider 21 through a bearing or a bushing according to practical application.

It should be noted that, in other embodiments, the driving motor 41 may be replaced by other common power sources, the second gear member 43 may be a common gear type such as a spur gear, a helical gear, or a bevel gear, and the first gear member 42 is a gear type that is engaged with the second gear member 43 in a matching manner. In this embodiment, the worm is preferably used as the first gear member 42, and the worm wheel is preferably used as the second gear member 43, so that the mechanical structure is compact, the volume is light, the size is small, and the efficiency is high due to the transmission form of the worm wheel and the worm.

The implementation principle of the automobile door opening and closing device provided by the embodiment is as follows:

when the automobile door needs to be opened, the operating button enables the output shaft of the driving motor 41 to rotate positively, the driving motor 41 drives the worm to rotate, and the worm wheel is driven to rotate due to the meshing of the worm and the worm wheel, so that the nut 22 in the central hole 431 of the worm wheel can be driven to rotate; the nut 22 moves along the screw rod due to the fixation of the screw rod, and meanwhile, the worm wheel is rotationally arranged inside the sliding block 21 through the bearing, and the sliding rail plays a guiding role on the sliding block 21, so that the sliding block 21 is driven to move along the sliding rail due to the movement of the nut 22; therefore, the slide block 21 pushes the connecting rod to swing, and the automobile door opening and closing device is arranged in the automobile door, and can realize the opening of the automobile door only by hinging one end, far away from the slide block 21, of the connecting rod with the automobile body and further enabling the connecting rod to reversely push the automobile door to rotate.

When the automobile door needs to be closed, the output shaft of the driving motor 41 is reversed by the operation button, so that the moving direction of the sliding block 21 is opposite to the moving direction in the door opening process of the automobile door, and the sliding block 21 drives the connecting rod to swing in the opposite direction, so that the automobile door can be turned reversely, and the automobile door is closed.

The embodiment also provides an automobile, which comprises an automobile door and the automobile door opening and closing device, so that convenience in opening and closing the automobile door by a user of the automobile is improved.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. An automobile door opening and closing device, comprising:

the guide piece (1) is fixedly arranged in the automobile door along a preset straight line direction;

the sliding piece (2) is arranged on the guide piece (1) in a sliding manner along the length direction of the guide piece (1);

the sliding piece (2) is in transmission connection with the vehicle body through the connecting piece (3), and the sliding piece (2) can drive the connecting piece (3) to swing when sliding along the guide piece (1); and

-a drive assembly (4) configured to drive the slider (2) in reciprocal sliding movement, and the drive assembly (4) is arranged on the slider (2).

2. The automobile door opening and closing device according to claim 1, further comprising a slide rail fixedly arranged in the automobile door along a preset straight line direction, and the slide member (2) is slidably connected with the slide rail.

3. The automobile door opening and closing device according to claim 2, characterized in that the guide (1) is a screw, both ends of which are fixedly connected with structural members in the automobile door;

the sliding piece (2) comprises a nut (22), and the screw rod is in threaded connection with the nut (22).

4. A vehicle door opening and closing device according to claim 2, characterized in that the connecting piece (3) is located above and/or below the sliding rail.

5. A vehicle door opening and closing device according to claim 3, characterized in that the screw is provided with a sealing member, and the length of the sealing member is telescopically variable with the sliding movement of the sliding member (2).

6. An automobile door opening and closing device according to claim 5, characterized in that the sealing member is a bellows, one end of which is connected to the automobile door or one end of the screw, and the other end of which is connected to the slider (2).

7. An automobile door opening and closing device according to claim 1, characterized in that the connecting piece (3) is a connecting rod, one end of the connecting rod is hinged with the sliding piece (2), and the other end of the connecting rod is hinged with the automobile body.

8. A vehicle door opening and closing device according to claim 3, characterized in that said driving assembly (4) comprises:

a drive motor (41) fixedly arranged on the sliding piece (2);

the first gear piece (42), the said first gear piece (42) is connected with the output shaft of the said driving motor (41) coaxially and fixedly;

the second gear piece (43), the second gear piece (43) and the first gear piece (42) are meshed for transmission, and the second gear piece (43) and the nut (22) are coaxially and fixedly connected.

9. The automobile door opening and closing device according to claim 8, wherein the second gear member (43) is provided with a central hole (431), and the nut (22) is embedded in the central hole (431).

10. An automobile comprising an automobile door and an automobile door opening and closing device according to any one of claims 1 to 9.