CN215255446U - Multi-connecting-rod butterfly type vehicle door opening mechanism - Google Patents

Abstract

The utility model discloses a many connecting rods butterfly door opening mechanism, including the hinge mount, the hinge mount includes door hinge mount and automobile body hinge mount, still includes base, curved boom, rocking arm and linear drive device, base, door hinge mount, curved boom and rocking arm rotate in proper order and connect formation quadrangle connecting rod structure, the base includes the first end of being connected with door hinge mount rotation and the second end of being connected with automobile body hinge mount, is provided with the gear assembly in the junction of the second end of base and rocking arm, linear drive device one end and base swing joint, the other end rotates to be connected on the automobile body. The utility model provides a multi-connecting-rod butterfly type vehicle door opening mechanism, which reduces the space required by the external opening of a passenger and increases the moving space of the passenger for getting in and out of a carriage; the door opening angle is large, and the door closing force is small; the universality is high.

Description

Multi-connecting-rod butterfly type vehicle door opening mechanism

Technical Field

The utility model relates to an auto-parts especially relates to a many connecting rods butterfly door opening mechanism.

Background

The opening of the vehicle door is realized by a vehicle door hinge which is connected with the vehicle door and a vehicle body, and the opening and closing rotation movement of the vehicle door is realized under the operation of a vehicle door handle. The existing door hinge devices are various and can be divided into a side-opening type, a scissor type, a gull-wing type, a butterfly type and the like according to the opening mode of a door. The butterfly door has the advantages of small external space required by the scissors door and large moving space of the gull-wing door for entering and exiting the carriage, and is adopted by more and more sports cars. However, the existing butterfly type vehicle door hinge mechanism is generally overturned after the vehicle door is pushed open, but is easy to interfere with other structures of the vehicle door when being installed, so that certain requirements are provided for the structural shape of the vehicle door, and in addition, the existing butterfly type vehicle door hinge mechanism controls the vehicle door to have small opening angle and large closing force and is inconvenient to use.

For example, the publication of "a butterfly type door hinge" in the chinese patent document, publication No. CN105442964B, includes a rotating leaf plate and a fixed leaf plate, and further includes a gas spring, a driving link and a mounting support, the fixed page plate is positioned between the rotating page plate and the gas spring, the mounting support is fixedly arranged on the automobile body, the gas spring is provided with a cylinder body and a piston rod, the cylinder body is rotatably arranged on the mounting support, the free end of the piston rod is movably hinged with the first end of the driving connecting rod, the driving connecting rod passes through the fixed page plate, the second end part of the driving connecting rod is connected with the rotating page plate, the fixed page plate is provided with a hole for the driving connecting rod to pass through, and the strip-shaped through hole is used for the driving connecting rod to correspondingly perform translational motion in the rotating page plate along with the rotation of the rotating page plate, and the length direction of the strip-shaped through hole is perpendicular to the axis where the driving connecting rod is longitudinally positioned. Because the use of air spring when the butterfly door among this technical scheme is closed the door, the dynamics of closing the door is great, and easily produces the interference with other structures of door when this structure installation, and the commonality is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multi-link butterfly type vehicle door opening mechanism to overcome the problems of the prior art that the interference with other structures of the vehicle door is easy to occur during the installation, the universality is low, the door opening angle is small, the door closing angle is large, and the like, so as to reduce the space required by the external opening of the passenger and increase the moving space of the passenger in and out of the carriage; the door opening angle is large, and the door closing force is small; the universality is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-link butterfly type vehicle door opening mechanism comprises a hinge support, the hinge support comprises a vehicle door hinge support and a vehicle body hinge support, it is characterized by also comprising a base, a bent arm, a rocker arm and a linear driving device, wherein the base and a vehicle body hinge bracket are provided with a first rotating pin, a second rotating pin is arranged between the bent arm and the vehicle body hinge bracket, a third rotating pin is arranged between the rocker arm and the bent arm, the first rotating pin, the second rotating pin and the third rotating pin are arranged in parallel, the base, the vehicle door hinge bracket, the bent arm and the rocker arm are sequentially and rotatably connected to form a quadrilateral connecting rod structure, the base comprises a first end which is rotatably connected with the vehicle door hinge bracket and a second end which is connected with the vehicle body hinge bracket, a gear assembly is arranged at the joint of the second end of the base and the rocker arm, one end of the linear driving device is movably connected with the base, and the other end of the linear driving device is rotatably connected to the vehicle body. In above-mentioned technical scheme, the setting of quadrangle connecting rod structure is used for promoting the door and opens and close, and the setting of gear assembly is used for driving the door rotatory for the door carries out butterfly and opens, and first commentaries on classics round pin, second commentaries on classics round pin and third commentaries on classics round pin have realized that rotate in proper order between base, door hinge support, curved boom and the rocking arm and connect, are convenient for form quadrangle connecting rod structure, and three commentaries on classics round pin parallel arrangement has do benefit to and has guaranteed that quadrangle connecting rod structure warp and drive the door and open and close. When the automobile door turning device is used, the base is driven to rotate around the connection position of the base and the automobile door hinge support by stretching out or retracting in the linear driving device, the base, the automobile door hinge support, the bent arm and the rocker arm are sequentially and rotatably connected to form a quadrilateral connecting rod structure, so that the quadrilateral connecting rod structure is deformed when the base rotates, and the automobile door is pushed out. In addition, the door opening mechanism is connected with the door through the door hinge bracket and connected with the vehicle body through the vehicle body hinges, and has no other structure connected with the door or the vehicle body, so that the inconvenience caused by interference with other structures on the vehicle is not easy to occur.

Preferably, the gear assembly comprises a driving wheel fixed on the rocker arm and a driven wheel fixed on the vehicle door hinge support, the driving wheel and the driven wheel are meshed with each other, and the axis of the driving wheel and the axis of the driven wheel are perpendicular to each other. When the base rotates, the angle between the base and the rocker arm changes, the driving wheel fixed on the rocker arm rotates along with the change of the angle between the rocker arm and the base, and the driven wheel is meshed with the driving wheel, so that the driven wheel rotates under the driving of the driving wheel, and then the door hinge support and the base rotate relatively, and further the door opening angle of the door is increased.

Preferably, the second end of the base is provided with a rotating sleeve, the door hinge support is provided with a rotating shaft, the rotating shaft penetrates through the rotating sleeve, the driven wheel is fixed on the rotating shaft, and the driven wheel and the rotating shaft are coaxially arranged. The arrangement of the rotating shaft and the rotating sleeve is convenient for realizing the relative rotation between the vehicle door hinge support and the base, the driven wheel drives the rotating shaft to rotate while rotating, and then the vehicle door hinge support is driven to rotate, so that the opening angle of the vehicle door is changed.

Preferably, the base is further provided with a positioning shaft, the positioning shaft is fixed on the outer wall surface of the rotating sleeve, the axis of the positioning shaft is perpendicular to the axis of the rotating sleeve, and the driving wheel is rotatably connected to the positioning shaft. The rotation connection between base and the rocking arm has been realized to setting up of location axle and action wheel, is convenient for form quadrangle connecting rod structure, and action wheel and location axle rotate relatively, both spacing with the action wheel has realized the rotation of action wheel again.

Preferably, positioning pins are arranged between the driving wheel and the rocker arm and between the driven wheel and the vehicle door hinge support, positioning holes are radially arranged on the driving wheel, and the positioning pins are arranged in the positioning holes. The positioning pin is arranged to fix the driving wheel and the rocker arm and fix the driven wheel and the vehicle door hinge bracket, so that the rocker arm drives the driving wheel to rotate, and the driven wheel drives the vehicle door hinge bracket to rotate.

Preferably, the base is provided with a connector, the upper end of the linear driving device is correspondingly provided with a connecting groove, and the connector is embedded in the connecting groove. The arrangement of the connector is convenient for the change of the angle position between the base and the linear driving device, and the base rotates around the shaft.

Preferably, the base comprises a bottom plate and a connecting plate arranged on the upper side of the bottom plate, the bottom plate is connected with the vehicle body hinge support, the connecting plate is connected with the vehicle door hinge support, the base is further provided with a reinforcing assembly, and the reinforcing assembly comprises a first reinforcing rib arranged on the lower side of the bottom plate and a second reinforcing rib arranged between the bottom plate and the connecting plate. Because the pedestal connection door hinge support, need support opening its upset of door, the intensity of increase base is do benefit to in being provided with of first strengthening rib and second strengthening rib, avoids the base to break and causes inconvenience.

Therefore, the utility model discloses following beneficial effect has: the space required by opening the door outside the passenger is reduced, and the moving space for the passenger to get in and out of the carriage is increased; the door opening angle is large, and the door closing force is small; the universality is high; high strength and stable structure.

Drawings

Fig. 1 is a schematic structural view of a multi-link butterfly type vehicle door opening mechanism of the present invention;

FIG. 2 is a partial schematic view of the multi-link butterfly door opening mechanism at the gear assembly;

in the figure: 1. the automobile body hinge support comprises an automobile body hinge support 2, a bent arm 3, a rocker arm 4, a base 401, a first reinforcing rib 402, a second reinforcing rib 403, a bottom plate 404, a connecting plate 5, a linear driving device 501, a connecting groove 6, a first rotating pin 7, a second rotating pin 8, a third rotating pin 9, a gear assembly 901, a driving wheel 902, a driven wheel 10, a rotating sleeve 11, a connector 12, a positioning shaft 13 and an automobile door hinge support.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example 1:

as shown in fig. 1 and 2, in embodiment 1, a multi-link butterfly type door opening mechanism includes a hinge bracket, a base 4, a curved arm 2, a swing arm 3 and a linear driving device 5, wherein the hinge bracket includes a door hinge bracket 13 and a body hinge bracket 1, a first pivot pin 6 is disposed between the base 4 and the body hinge, a second pivot pin 7 is disposed between the curved arm 2 and the body hinge bracket 1, a third pivot pin 8 is disposed between the swing arm 3 and the curved arm 2, the first pivot pin 6, the second pivot pin 7 and the third pivot pin 8 are disposed in parallel, the base 4 and the swing arm 3 are also rotatably connected, the base 4, the door hinge bracket 13, the curved arm 2 and the swing arm 3 are sequentially rotatably connected to form a quadrilateral link structure, in addition, the base 4 includes a first end rotatably connected to a body hinge bracket 13 and a second end connected to the hinge bracket 1, a gear assembly 9 is disposed at a connection position of the second end of the base 4 and the swing arm 3, the gear assembly 9 includes a driving wheel 901 fixed on the rocker arm 3 and a driven wheel 902 fixed on the door hinge bracket 13, where the driving wheel 901 and the driven wheel 902 are both set as conical gears, positioning pins are disposed between the driving wheel 901 and the rocker arm 3 and between the driven wheel 902 and the door hinge bracket 13, positioning holes are radially disposed on the driving wheel 901, the positioning pins are disposed in the positioning holes, the driving wheel 901 is fixed on the rocker arm 3 by the positioning pins, the driven wheel 902 is fixed on the door hinge bracket 13 by the positioning pins, the driving wheel 901 and the driven wheel 902 are engaged with each other, and an axis of the driving wheel 901 and an axis of the driven wheel 902 are vertically disposed. And because in the rotation process of the base 4, the connection position between the base 4 and the linear driving device 5 is unchanged, the rotation shaft of the base 4 is the first rotation pin 6, and the position of the first rotation pin 6 is also unchanged, so that the connection position track between the base 4 and the linear driving device 5 is arc-shaped when the base 4 rotates, one end of the linear driving device 5 is movably connected with the base 4, the other end of the linear driving device is rotatably connected with a vehicle body, and the rotation hole is arranged at the end, connected with the vehicle, of the linear driving device 5, so that the base 4 can rotate conveniently. The base 4 is provided with the connector 11, is provided with the spread groove 501 in the correspondence of linear drive device 5 upper end, and the connector 11 inlays to be established and has realized the swing joint between base 4 and the linear drive device 5 in the spread groove 501, and the setting of connector 11 is convenient for between linear drive device 5 and the base 4 the angle change. The connection head 11 is here provided as a spherical or cylindrical structure and the linear drive 5 as an electric strut.

In the above technical solution, the quadrilateral linkage structure is arranged to push the car door to open and close, and the gear assembly 9 is arranged to drive the car door to rotate, so that the car door is opened in a butterfly manner, when in use, the stay rod on the linear driving device 5 extends out or retracts to drive the base 4 to rotate around the joint of the base 4 and the car door hinge bracket 13, and the base 4, the car door hinge bracket 13, the curved arm 2 and the rocker arm 3 are sequentially connected in a rotating manner to form the quadrilateral linkage structure, so that when the base 4 rotates, the car door is pushed out, the angle between the base 4 and the rocker arm 3 changes, the driving wheel 901 fixed on the rocker arm 3 rotates along with the angle change between the rocker arm 3 and the base 4, and the driven wheel 902 is engaged with the driving wheel 901, so that the driven wheel 902 rotates under the driving of the driving wheel 901, and the car door hinge bracket 13 and the base 4 rotate relatively, thereby increasing the opening angle of the vehicle door. When the vehicle door is closed, the linear driving device 5 only needs to be contracted, and the manual force application is small. In addition, the door opening mechanism is connected with the door through the door hinge bracket 13, is connected with the vehicle body through the vehicle body hinge, and has no other structure connected with the door or the vehicle body, so that the inconvenience caused by interference with other structures on the vehicle is not easy to occur.

Further, a rotating sleeve 10 is arranged at the second end of the base 4, a rotating shaft is arranged on the vehicle door hinge support 13, the rotating shaft penetrates through the rotating sleeve 10, the driven wheel 902 is fixed on the rotating shaft, the driven wheel 902 and the rotating shaft are coaxially arranged, a positioning shaft 12 is further arranged on the base 4, the positioning shaft 12 is fixed on the outer wall surface of the rotating sleeve 10, the axis of the positioning shaft 12 is perpendicular to the axis of the rotating sleeve 10, and the driving wheel 901 is rotatably connected to the positioning shaft 12.

Further, the bent arm 2 is set to be a 7-shaped structure, a round corner is arranged at the bending position of the bent arm 2, and the opening direction of the bent arm 2 faces to one side far away from the base 4. Such setting is convenient for the greater angle of the rotation of curved boom 2, and then makes the angle of opening the door bigger, has increased the intensity of curved boom 2 simultaneously, avoids the curved boom 2 fracture to cause inconveniently when opening the door.

Further, the base 4 includes a bottom plate 403 and a connecting plate 404 disposed on an upper side of the bottom plate 403, the bottom plate 403 is connected to the vehicle body hinge bracket 1, the connecting plate 404 is connected to the door hinge bracket 13, and a reinforcement assembly including a first reinforcing rib 401 disposed on a lower side of the bottom plate 403 and a second reinforcing rib 402 disposed between the bottom plate 403 and the connecting plate 404 is further disposed on the base 4, wherein the first rotating pin 6 is rotatably connected to one side edge of the bottom plate 403, and the swivel sleeve 10 is disposed on one side edge of the connecting plate 404. Because base 4 connects door hinge support 13, need support opening its upset of door, first strengthening rib 401 and second strengthening rib 402 be provided with and do benefit to the intensity that increases base 4, avoid base 4 to break and cause inconvenience.

When the butterfly-type automobile door hinge device is used, the automobile door hinge support 13 is fixed on an automobile door, the automobile body hinge support 1 is fixed on the automobile body, one end of the linear driving device 5 is rotatably connected to the automobile body, the other end of the linear driving device is fixedly connected with the base 4 through the connector 11, when the automobile door is opened, the linear driving device 5 is set to be an electric support rod, the support rod of the electric support rod extends out, the base 4 is driven to rotate around the first rotating pin 6, the bent arm 2 and the rocker arm 3 are driven to rotate simultaneously, the angle between the rocker arm 3 and the base 4 is changed, meanwhile, the driving wheel 901 rotates around the positioning shaft 12 along with the rocker arm 3, and the driving wheel 901 is meshed with the driven wheel 902, so that the driven gear is driven to rotate perpendicular to the rotating direction of the driving gear, the automobile door hinge support 13 is driven to rotate, and the automobile door is opened in a butterfly mode relative to the automobile body. The same applies when the door is closed.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (7)

1. The utility model provides a many connecting rods butterfly door opening mechanism, includes the hinge mount, the hinge mount includes door hinge mount (13) and automobile body hinge mount (1), characterized by still includes base (4), curved boom (2), rocking arm (3) and linear drive device (5), is provided with first commentaries on classics round pin (6) at base (4) and automobile body hinge mount (1), is provided with second commentaries on classics round pin (7) between curved boom (2) and automobile body hinge mount (1), is provided with third commentaries on classics round pin (8) between rocking arm (3) and curved boom (2), first commentaries on classics round pin (6), second commentaries on classics round pin (7) and third commentaries on classics round pin (8) parallel arrangement, base (4), door hinge mount (13), curved boom (2) and rocking arm (3) rotate in proper order and connect and form quadrangle connecting rod structure, base (4) include the first end of rotating connection with door hinge mount (13) and the second end of being connected with automobile body hinge mount (1), a gear assembly (9) is arranged at the joint of the second end of the base (4) and the rocker arm (3), one end of the linear driving device (5) is movably connected with the base (4), and the other end of the linear driving device is rotatably connected to the vehicle body.

2. A multi-link butterfly door opening mechanism according to claim 1, characterized in that the gear assembly (9) comprises a driving wheel (901) fixed to the rocker arm (3) and a driven wheel (902) fixed to the door hinge bracket (13), the driving wheel (901) and the driven wheel (902) are engaged with each other, and the axis of the driving wheel (901) and the axis of the driven wheel (902) are arranged perpendicularly.

3. The multi-link butterfly type vehicle door opening mechanism as claimed in claim 2, wherein the second end of the base (4) is provided with a rotating sleeve (10), a rotating shaft is arranged on the vehicle door hinge support (13), the rotating shaft is arranged in the rotating sleeve (10) in a penetrating way, the driven wheel (902) is fixed on the rotating shaft, and the driven wheel (902) is coaxially arranged with the rotating shaft.

4. A multi-link butterfly type vehicle door opening mechanism according to claim 3, characterized in that a positioning shaft (12) is further disposed on the base (4), the positioning shaft (12) is fixed on the outer wall surface of the rotary sleeve (10), the axis of the positioning shaft (12) is perpendicular to the axis of the rotary sleeve (10), and the driving wheel (901) is rotatably connected to the positioning shaft (12).

5. The multi-link butterfly type vehicle door opening mechanism as claimed in claim 2, characterized in that positioning pins are arranged between the driving wheel (901) and the rocker arm (3) and between the driven wheel (902) and the vehicle door hinge bracket (13), and positioning holes are arranged on the driving wheel (901) in the radial direction and are arranged in the positioning holes.

6. A multi-link butterfly type door opening mechanism as claimed in claim 1, wherein the base (4) is provided with a connector (11), the upper end of the linear driving device (5) is correspondingly provided with a connecting groove (501), and the connector (11) is embedded in the connecting groove (501).

7. A multi-link butterfly door opening mechanism according to any one of claims 1 to 6, characterized in that the base (4) comprises a base plate (403) and a connecting plate (404) arranged on the upper side of the base plate (403), the base plate (403) is connected with the vehicle body hinge bracket (1), the connecting plate (404) is connected with the door hinge bracket (13), and a reinforcing component is arranged on the base (4), and the reinforcing component comprises a first reinforcing rib (401) arranged on the lower side of the base plate (403) and a second reinforcing rib (402) arranged between the base plate (403) and the connecting plate (404).

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