A scissor door hinge and a car using the same

Abstract

The present invention relates to a scissor door hinge, in which a fifth axis is formed by cooperating with a multi-link support structure and a constraint shaft seat, so that a hinge arm is hinged to the constraint shaft seat through the multi-link support structure, and 5 axes are co-pointed, and the intersection point is located on an opening hinge. By arranging the fifth rotation axis at an end of the hinge arm away from the height shaft seat, the hinge arm is supported while adding a constraint force to the hinge arm, thereby avoiding the hinge arm from swinging, increasing the structural stability, and preventing the door from shaking when opening. When the door is opened or closed, the movement of the door in three directions is simplified to the coordinated movement of the five rotation axes, thereby increasing the stability of the door when opened, and realizing intelligent electric opening and closing of the scissor door. The whole movement process is simple and has little effect on the structure of the door, thereby retaining the aesthetics and practicality of the scissor door, and improving the smoothness and stability of the door movement. The door hinge has a simple structure, is easy to install, and has a low manufacturing cost, and is convenient for mass production and generalization of the hinge.

Description

Technical Field

[0001] The invention relates to the technical field of vehicles, and in particular to a scissor door hinge and a car using the hinge. Background Art

[0002] In order to cater to the upgrading of domestic automobile consumption, more and more domestic OEMs are developing coupe projects. The design of scissor doors in coupe models is not only more attractive in appearance, but also solves the problem of insufficient door opening space when parking spaces are tight. However, domestic automakers have not yet mass-produced scissor door models, and most of the domestic models on the market are modified hinges. Modified hinges are heavy, have a large appearance, and are difficult to install.

[0003] The applicant previously applied for a Chinese invention patent with application number 2021 2017 3589.0, which discloses a car scissor door hinge, including a mounting seat and a hinge arm, the mounting seat is provided with an opening axis seat and a height axis seat, the hinge arm includes a hinge connecting part and a hinge driving part, the opening axis seat is provided with an opening hinge, the height axis seat is provided with a height hinge, and a universal rotation mechanism is provided therebetween, one end of the opening hinge forms a first rotation axis, and the other end forms a second rotation axis, one end of the height hinge forms a third rotation axis, and the other end forms a fourth rotation axis, the first, second, third, and fourth rotation axes are connected to each other. The four rotation axes intersect at one point, and the intersection point is located on the opening hinge, so that when the door is opened or closed, the movement of the door in three directions is simplified to the coordinated movement of the four rotation axes. The whole movement process is simple and has little impact on the structure of the door, which improves the smoothness and stability of the door movement. The structure of the door hinge is simple and convenient, and the manufacturing cost is low, which is convenient for mass production and generalization of the hinge. However, in actual use, the door is prone to shaking during the opening process, and the opening and closing output force is limited when the door is used on some heavier doors. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a scissor door hinge and a car using the hinge in view of the deficiencies of the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a scissor door hinge, comprising a mounting seat connected to a vehicle frame and a hinge arm connected to the vehicle door, the mounting seat being provided with an opening shaft seat and a height shaft seat, characterized in that: the opening shaft seat is provided with an opening hinge, the height shaft seat is provided with a height hinge, the hinge arm comprises a hinge connection part and a hinge driving part for connecting with the vehicle door, the hinge driving part is provided with an opening swivel seat hinged with the opening hinge and a height swivel seat hinged with the height hinge, the mounting seat is also provided with a constraint shaft seat, the hinge driving part is provided with a constraint swivel seat at one end away from the height swivel seat, the constraint swivel seat and the constraint shaft seat are connected by a multi-link support structure, one end of the opening hinge is hinged with the opening shaft seat and cooperates to form a first rotation axis, and the other end is inserted into the opening swivel seat and cooperates with the hinge driving part The second rotation axis is formed by combining one end of the height hinge with the height shaft seat and forming a third rotation axis, and the other end is hinged with the height swivel seat and forming a fourth rotation axis. The multi-link support structure is hinged with the constraint shaft seat and cooperates with the mounting seat to form a fifth rotation axis. The opening hinge rotates around the first rotation axis, the opening swivel seat rotates around the second rotation axis, the height hinge rotates around the third rotation axis, the height swivel seat rotates around the fourth rotation axis, and the multi-link support structure rotates around the fifth rotation axis. The first rotation axis, the second rotation axis, the third rotation axis, the fourth rotation axis and the fifth rotation axis intersect at one point, and the intersection point is located on the opening hinge, and then the door is driven to open and close through the opening hinge and the height hinge to link the hinge arm, and the displacement of the hinge arm is limited by the multi-link support structure.

[0006] By adopting the above scheme, the fifth axis is formed by cooperating with the multi-link support structure and the constraint shaft seat, so that the hinge arm is hinged to the constraint shaft seat through the multi-link support structure, and 5 axes are co-pointed, and the intersection point is located on the opening hinge. By setting the fifth rotation axis at the end of the hinge arm away from the height shaft seat, it supports the hinge arm while increasing the constraint force on the hinge arm, avoiding the swing of the hinge arm, increasing the structural stability, and preventing the door from shaking when opening. When the door is opened or closed, the movement of the door in three directions is simplified to the coordinated movement of the five rotation axes, which increases the stability of the door when it is opened and realizes intelligent electric opening and closing scissor doors. The whole movement process is simple and has little effect on the structure of the door. The aesthetics and practicality of the scissor door are retained, and the smoothness and stability of the door movement are improved. The door hinge has a simple structure, is easy to install, and has a low manufacturing cost, which is convenient for mass production and generalization of the hinge.

[0007] The above-mentioned scissor door hinge can be further configured as follows: the multi-link support structure includes a first link and a second link hinged to the constraint shaft seat, universal ball seats are provided at both ends of the second link, and universal ball heads corresponding to the universal ball seats are provided on the constraint swivel seat and the first link, and the universal ball head is confined in the corresponding universal ball seat and rotates freely in the universal ball seat.

[0008] By adopting the above scheme, a universal ball head is arranged on the constraint swivel seat and the first connecting rod, and a universal ball seat is arranged at both ends of the second connecting rod, so that the first connecting rod and the constraint shaft seat form a revolute pair, and the second connecting rod, the first connecting rod and the constraint swivel seat form a ball head pair, so that the universal ball head can rotate at any angle in the universal ball seat. The structure is simple and practical, and can be universally hinged to avoid abnormal door noise caused by processing errors or assembly errors, realize adaptive adjustment, compensate for the differences between doors of different specifications due to different parameters, improve adaptability, and at the same time ensure that during the closing process of the door, the universal rotation mechanism can adaptively seal the door to improve comfort. The ball head can be confined in the ball seat by methods such as ball head freezing, ball seat heating, ball head and seat flange matching, and ball head and seat clamping.

[0009] The above-mentioned scissor door hinge can be further configured as follows: the scissor door hinge also includes a balancing gas spring push rod and an electric pull rod, one end of the balancing gas spring push rod is connected to the mounting seat through a mounting balancing ball head, and the other end is connected to the hinge arm through a hinge balancing ball head, one end of the electric pull rod is connected to the mounting seat through a mounting pull rod ball head, and the other end is connected to the hinge arm through a hinge pull rod ball head, the mounting balancing ball head and the mounting pull rod ball head are both arranged on the mounting seat, and the hinge balancing ball head and the hinge pull rod ball head are both arranged on the hinge driving part.

[0010] By adopting the above scheme, the door can be pushed by the balancing gas spring push rod to realize electric opening and closing, and the scissor door hinge can be suspended at any opening position, and can provide thrust for the hinge opening, and can withstand the gravity of the door, thereby increasing the stability of the door when it is opened. The electric pull rod can provide pulling force for the hinge opening, assist the balancing gas spring push rod to open and close the door, and increase the stability of the door when it is opened. At the same time, when corresponding to some heavier doors, the output force of the electric scissor door is improved by pushing and pulling the balancing gas spring push rod and the electric pull rod, so that the door switch is smoother, more stable and does not shake. The balancing ball head, the pull rod ball head, the hinge balancing ball head, the hinge pull rod ball head, the balancing gas spring push rod and the electric pull rod are installed to realize the universal articulation of the ball head and ball seat, so as to avoid abnormal door noise caused by processing error or assembly error, realize adaptive adjustment, make up for the differences between doors of different specifications due to different parameters, and improve adaptability.

[0011] The above-mentioned scissor door hinge can be further configured as follows: a first rotating shaft hole is provided at one end of the opening hinge corresponding to the opening shaft seat, a first pin shaft is passed through the first rotating shaft hole, the opening hinge is hinged to the opening shaft seat through the first pin shaft, and the opening hinge is rotated around the first rotating axis through the first pin shaft.

[0012] By adopting the above scheme, a first pin is set so that the opening hinge is hinged with the opening shaft seat through the first pin, so that it can rotate around the first rotation axis through the first pin, thereby simplifying its manufacturing difficulty, allowing each part to be processed separately and then assembled into one, thereby reducing manufacturing costs, and allowing different mounting seats to be equipped with opening shaft seats of different specifications, thereby improving product adaptability and universality, and realizing mass production of hinges.

[0013] The above-mentioned scissor door hinge can be further configured as follows: a second pin is provided at one end of the opening hinge facing the opening swivel seat, a limiting gasket is provided after the second pin passes through the opening swivel seat, and the opening swivel seat rotates around a second rotation axis through the second pin.

[0014] By adopting the above scheme, a second pin is set up, so that the opening hinge is hinged with the opening swivel seat through the second pin, so that it can rotate around the second rotation axis through the second pin, thereby simplifying its manufacturing difficulty, allowing each part to be processed separately and then assembled into one, thereby reducing manufacturing costs, and allowing different mounting seats to be equipped with opening shaft seats of different specifications, thereby improving product adaptability and universality, and realizing mass production of hinges.

[0015] The above-mentioned scissor door hinge can be further configured as follows: a third rotating shaft hole is provided at one end of the height hinge facing the height shaft seat, a third pin is passed through the third rotating shaft hole, the height hinge is hinged to the height shaft seat through the third pin, and the height hinge is rotated around the third rotating axis through the third pin.

[0016] By adopting the above scheme, a third pin is set up, so that the height hinge is hinged with the height swivel seat through the third pin, so that it can rotate around the third rotation axis through the third pin, thereby simplifying its manufacturing difficulty, allowing each part to be processed separately and then assembled into one, thereby reducing manufacturing costs, and allowing different mounting seats to be equipped with height shaft seats of different specifications, thereby improving product adaptability and universality, and realizing mass production of hinges.

[0017] The above-mentioned scissor door hinge can be further configured as follows: a fourth rotation axis hole is provided at one end of the height hinge facing the height swivel seat, a fourth pin is passed through the fourth rotation axis hole, the height hinge is hinged to the height swivel seat through the fourth pin, and the height swivel seat rotates around a fourth rotation axis through the fourth pin.

[0018] By adopting the above scheme, a fourth pin is set, and the height hinge is hinged to the height swivel seat through the fourth pin, so that it can rotate around the fourth rotation axis through the fourth pin, thereby simplifying its manufacturing difficulty, allowing each part to be processed separately and then assembled into one, thereby reducing manufacturing costs, and allowing different mounting seats to be equipped with height shaft seats of different specifications, thereby improving product adaptability and universality, and realizing mass production of hinges.

[0019] The above-mentioned scissor door hinge can be further configured as follows: a fifth pin is passed through one end of the first connecting rod facing the constraint shaft seat, the first connecting rod is hinged to the constraint shaft seat through the fifth pin, and the constraint shaft seat is rotated around a fifth rotation axis through the fifth pin.

[0020] By adopting the above scheme, the fifth pin is set, so that the first connecting rod is hinged to the constraint shaft seat through the fifth pin, and the constraint shaft seat is rotated around the fifth rotation axis through the fifth pin, thereby simplifying its manufacturing difficulty, allowing each part to be processed separately and then assembled into one, thereby reducing manufacturing costs, and allowing different mounting seats to be equipped with constraint shaft seats of different specifications, thereby improving product adaptability and universality, and realizing mass production of hinges.

[0021] The application also proposes a car.

[0022] The automobile according to the embodiment of the present application is provided with the scissor door hinge described in any one of the above embodiments.

[0023] The advantages of the automobile and the above-mentioned scissor door hinge over the prior art are the same and will not be described in detail here.

[0024] The present invention will be further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic diagram of a scissor door hinge according to an embodiment of the present invention.

[0026] Figure 2 for Figure 1 Exploded diagram.

[0027] Figure 3 It is a three-dimensional schematic diagram of the scissor door hinge in the open state according to an embodiment of the present invention.

[0028] Figure 4 It is a three-dimensional schematic diagram of the opening hinge according to an embodiment of the present invention.

[0029] Figure 5 It is a three-dimensional schematic diagram of a highly articulated component according to an embodiment of the present invention.

[0030] Figure 6 It is a three-dimensional schematic diagram of a multi-link support structure according to an embodiment of the present invention.

[0031] Figure 7 This is a diagram showing the opening effect of the scissor door hinge installed on a vehicle door according to an embodiment of the present invention. DETAILED DESCRIPTION

[0032] like Figure 1-Figure 3 As shown, a scissor door hinge comprises a mounting seat 1 connected to a vehicle frame a and a hinge arm 2 connected to a vehicle door b, the mounting seat 1 is provided with an opening axis seat 3 and a height axis seat 4, the opening axis seat 3 is provided with an opening hinge 5, the height axis seat 4 is provided with a height hinge 6, the hinge arm 2 comprises a hinge connection portion 21 and a hinge driving portion 22 for connecting to the vehicle door b, the hinge driving portion 22 is provided with an opening swivel seat 221 hinged to the opening hinge 5 and a height swivel seat 222 hinged to the height hinge 6, the mounting seat 1 is further provided with a restraining axis seat 7, the hinge driving portion 22 is away from the height swivel seat A constraint swivel 223 is provided at one end of 222, and the constraint swivel 223 is connected to the constraint shaft seat 7 through a multi-link support structure. One end of the opening hinge 5 is hinged to the opening shaft seat 3 and cooperates to form a first rotation axis 51, and the other end is inserted into the opening swivel 221 and cooperates with the hinge driving part 22 to form a second rotation axis 52. One end of the height hinge 6 is hinged to the height shaft seat 4 and cooperates to form a third rotation axis 61, and the other end is hinged to the height swivel 222 and cooperates to form a fourth rotation axis 62. The multi-link support structure is hinged to the constraint shaft seat 7 and cooperates with the mounting seat 1 to form a fifth rotation axis Line 71, the opening hinge 5 rotates around the first rotation axis 51, the opening swivel seat 221 rotates around the second rotation axis 52, the height hinge 6 rotates around the third rotation axis 61, the height swivel seat 222 rotates around the fourth rotation axis 62, and the multi-link support structure rotates around the fifth rotation axis 71. The first rotation axis 51, the second rotation axis 52, the third rotation axis 61, the fourth rotation axis 62 and the fifth rotation axis 71 intersect at one point, and the intersection point is located on the opening hinge 5, and then the hinge arm 2 is linked to the opening hinge 5 and the height hinge 6 to drive the door to open and close, and through The multi-link support structure limits the displacement of the hinge arm 2. The scissor door hinge also includes a balancing gas spring push rod 8 and an electric pull rod 9. One end of the balancing gas spring push rod 8 is connected to the mounting seat 1 through a mounting balancing ball head 81, and the other end is connected to the hinge arm 2 through a hinge balancing ball head 82. One end of the electric pull rod 9 is connected to the mounting seat 1 through a mounting pull rod ball head 91, and the other end is connected to the hinge arm 2 through a hinge pull rod ball head 92. The mounting balancing ball head 81 and the mounting pull rod ball head 91 are both arranged on the mounting seat 1, and the hinge balancing ball head 82 and the hinge pull rod ball head 92 are both arranged on the hinge drive unit 22.

[0033] like Figure 4As shown, the opening hinge 5 is provided with a first rotating shaft hole at one end corresponding to the opening shaft seat 3, and a first pin shaft 53 is passed through the first rotating shaft hole. The opening hinge 5 is hinged to the opening shaft seat 3 through the first pin shaft 53, and the opening hinge 5 is rotated around the first rotating axis 51 through the first pin shaft 53. The opening hinge 5 is provided with a second pin shaft 54 ​​at one end facing the opening swivel seat 221, and a limiting gasket 55 is provided after the second pin shaft 54 ​​passes through the opening swivel seat 221. The opening swivel seat 221 is rotated around the second rotating axis 52 through the second pin shaft 54.

[0034] like Figure 5 As shown, the end of the height hinge 6 facing the height shaft seat 4 is provided with a third rotating shaft hole, and a third pin shaft 63 is passed through the third rotating shaft hole. The height hinge 6 is hinged to the height shaft seat 4 through the third pin shaft 63, and the height hinge 6 is rotated around the third rotating axis 61 through the third pin shaft 63. The end of the height hinge 6 facing the height swivel seat 222 is provided with a fourth rotating shaft hole, and a fourth pin shaft 64 is passed through the fourth rotating shaft hole. The height hinge 6 is hinged to the height swivel seat 222 through the fourth pin shaft 64, and the height swivel seat 222 is rotated around the fourth rotating axis 62 through the fourth pin shaft 64.

[0035] like Figure 2 , Figure 6 As shown, the multi-link support structure includes a first link 72 and a second link 73 hinged to the constraint shaft seat 7, and universal ball seats 731 are provided at both ends of the second link 73. The constraint swivel seat 223 and the first link 72 are provided with universal ball heads 732 corresponding to the universal ball seats 731. The universal ball heads 732 are restricted in the corresponding universal ball seats 731 and rotate freely in the universal ball seats 731. A fifth pin 74 is passed through one end of the first link 72 facing the constraint shaft seat 7. The first link 72 is hinged to the constraint shaft seat 7 through the fifth pin 74, and the constraint shaft seat 7 is rotated around the fifth rotation axis 71 through the fifth pin 74.

[0036] The application also proposes a car.

[0037] like Figure 7As shown, according to the automobile of the embodiment of the present application, the automobile includes a frame a, a door b and a scissor door hinge of any one of the above-mentioned embodiments, the mounting seat 1 is installed on the frame a, and the hinge connecting part 22 is installed on the door b. The scissor door hinge can be used to realize the rotation of the door b relative to the frame a, and the movement of the door b is simplified to a coordinated movement rotating around five pin shafts, so that the opening of the door b is smoother, and the scissor door structure is also opened more smoothly by extending the axis of the five pin shafts. The fifth pin shaft 74 is used to increase constraints and structural stability to prevent the door b from shaking during the opening process. At the same time, the electric pull rod 9 and the balancing gas spring push rod 8 are provided to simultaneously increase the thrust and pull force to assist the door b in opening and closing, so that the door b opening and closing process is smoother and more stable.

Claims

1. A scissor door hinge, comprising a mounting seat connected to a vehicle frame and a hinge arm connected to a vehicle door, wherein the mounting seat is provided with an opening axis seat and a height axis seat, and characterized in that: The opening shaft seat is provided with an opening hinge, the height shaft seat is provided with a height hinge, the hinge arm comprises a hinge connection part and a hinge driving part for connecting with the vehicle door, the hinge driving part is provided with an opening swivel seat hinged with the opening hinge and a height swivel seat hinged with the height hinge, a constraint shaft seat is also provided on the mounting seat, a constraint swivel seat is provided at one end of the hinge driving part away from the height swivel seat, the constraint swivel seat and the constraint shaft seat are connected by a multi-link support structure, one end of the opening hinge is hinged with the opening shaft seat and cooperates to form a first rotation axis, and the other end is inserted into the opening swivel seat and cooperates with the hinge driving part The second rotation axis is formed by combining one end of the height hinge and the height shaft seat and forming a third rotation axis, and the other end is hinged and formed by combining the fourth rotation axis with the height swivel seat. The multi-link support structure is hinged with the constraint shaft seat and cooperates with the mounting seat to form a fifth rotation axis. The opening hinge rotates around the first rotation axis, the opening swivel seat rotates around the second rotation axis, the height hinge rotates around the third rotation axis, the height swivel seat rotates around the fourth rotation axis, and the multi-link support structure rotates around the fifth rotation axis. The first rotation axis, the second rotation axis, the third rotation axis, and the fourth rotation axis are The fourth rotation axis intersects with the fifth rotation axis at one point, and the intersection point is located on the opening hinge, and then the door is driven to open and close through the opening hinge and the height hinge to link the hinge arm, and the displacement of the hinge arm is limited by a multi-link support structure, the multi-link support structure includes a first link and a second link hinged to the constraint shaft seat, both ends of the second link are provided with a universal ball seat, the constraint swivel seat and the first link are provided with a universal ball head corresponding to the universal ball seat, the universal ball head is limited in the corresponding universal ball seat, and rotates freely in the universal ball seat, the scissor door hinge also includes a balancing gas spring push rod and an electric pull rod, One end of the balancing gas spring push rod is connected to the mounting seat through a mounting balancing ball head, and the other end is connected to the hinge arm through a hinge balancing ball head. One end of the electric pull rod is connected to the mounting seat through a mounting pull rod ball head, and the other end is connected to the hinge arm through a hinge pull rod ball head. The mounting balancing ball head and the mounting pull rod ball head are both arranged on the mounting seat, and the hinge balancing ball head and the hinge pull rod ball head are both arranged on the hinge driving part. A fifth pin is passed through one end of the first connecting rod facing the constraint shaft seat. The first connecting rod is hinged to the constraint shaft seat through the fifth pin, and the constraint shaft seat is rotated around the fifth rotation axis through the fifth pin.

2. A scissor door hinge according to claim 1, characterized in that: The opening hinge is provided with a first rotating shaft hole at one end corresponding to the opening shaft seat, and a first pin is passed through the first rotating shaft hole. The opening hinge is hinged to the opening shaft seat through the first pin, and the opening hinge is rotated around the first rotating axis through the first pin.

3. The scissor door hinge according to claim 1, characterized in that: A second pin is provided at one end of the opening hinge facing the opening swivel seat. A limiting gasket is provided after the second pin passes through the opening swivel seat. The opening swivel seat rotates around a second rotation axis through the second pin.

4. The scissor door hinge according to claim 1, characterized in that: A third rotating shaft hole is provided at one end of the height hinge facing the height shaft seat, and a third pin is passed through the third rotating shaft hole. The height hinge is hinged to the height shaft seat through the third pin, and the height hinge rotates around the third rotating axis through the third pin.

5. The scissor door hinge according to claim 1, characterized in that: A fourth rotation axis hole is provided at one end of the height hinge toward the height swivel seat, a fourth pin is passed through the fourth rotation axis hole, the height hinge is hinged to the height swivel seat through the fourth pin, and the height swivel seat is rotated around a fourth rotation axis through the fourth pin.

6. A car, characterized in that: It comprises a vehicle frame, a vehicle door and a scissor door hinge as described in any one of claims 1 to 5, wherein the mounting seat is mounted on the vehicle frame, and the hinge connecting part is mounted on the vehicle door.

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