Vehicle door hinge and vehicle

Abstract

The invention relates to a vehicle door hinge which comprises a first mounting piece used for being connected with a vehicle body, a second mounting piece used for being connected with a vehicle door, a first connecting rod with the rear end rotatably connected with the first mounting piece, a second connecting rod with the rear end rotatably connected with the front end of the first connecting rod and an automatic supporting rod connected between the first connecting rod and the second connecting rod. The front end of the second connecting rod is rotatably connected with the second mounting piece; when the vehicle door hinge is in a closed state, the included angle between the first connecting rod and the second connecting rod is smaller than 180 degrees, the front end of the second connecting rod is located in front of the rear end of the first connecting rod close to the outer side of the vehicle, and the automatic supporting rod extends to drive the first connecting rod and the second connecting rod to rotate relatively, so that the included angle between the first connecting rod and the second connecting rod is increased. The invention further provides a vehicle. The vehicle door hinge can meet the use requirement of the swing-out type vehicle rear door, and the implementation difficulty of the swing-out type vehicle door hinge is lowered.

Description

Technical Field

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

[0002] Compared with rotating side-opening doors, rotating double-opening doors and upward-opening doors (gull-wing doors), sliding doors and swing-out doors occupy less space in the vehicle width direction during the door opening process. Compared with sliding doors, swing-out doors occupy less space in the vehicle interior, so some vehicles are equipped with swing-out doors.

[0003] The existing swing-out doors face the following technical problems: during the opening process of the swing-out doors, the doors need to move in both the vehicle width and vehicle length directions. Traditional hinge-type door hinges and gooseneck door hinges cannot achieve such a complex swing-out motion trajectory, and a swing-out hinge with a complex structure needs to be adopted. In particular, when the rear door of the vehicle is a swing-out door, when the rear door of the vehicle is opened alone while the front door of the vehicle is closed, since the front of the rear door of the vehicle is blocked by the rear of the front door of the vehicle, the swing-out motion trajectory of the rear door of the vehicle is required to be higher, which also makes the structure of the swing-out hinge of the rear door of the vehicle more complicated and more difficult to achieve. Summary of the invention

[0004] The object of the present invention is to provide a door hinge and a vehicle to alleviate or eliminate at least one of the above-mentioned technical problems.

[0005] A vehicle door hinge described in the present invention includes a first mounting member for connecting to a vehicle body, a second mounting member for connecting to a vehicle door, a first connecting rod whose rear end is rotatably connected to the first mounting member, a second connecting rod whose rear end is rotatably connected to the front end of the first connecting rod, and an automatic strut connected between the first connecting rod and the second connecting rod, wherein the front end of the second connecting rod is rotatably connected to the second mounting member; when the vehicle door hinge is in a closed state, the angle between the first connecting rod and the second connecting rod is less than 180 degrees, and the front end of the second connecting rod is located obliquely forward of the rear end of the first connecting rod in the direction of the outer side of the vehicle, and the extension of the automatic strut can drive the first connecting rod and the second connecting rod to rotate relative to each other, so that the angle between the first connecting rod and the second connecting rod increases.

[0006] Optionally, when the door hinge is in a closed state, the first link extends obliquely from rear to front toward the outer side of the vehicle and / or the second link extends obliquely from rear to front toward the outer side of the vehicle.

[0007] Optionally, one end of the automatic support rod is connected to the first connecting rod via a first ball head connection structure, and the other end of the automatic support rod is connected to the second connecting rod via a second ball head connection structure.

[0008] Optionally, the first ball head connection structure includes a first ball stud installed on the first connecting rod, and the second ball head connection structure includes a second ball stud installed on the second connecting rod.

[0009] Optionally, a lock assembly is further included, wherein a lock body and a lock catch of the lock assembly are respectively connected to the first mounting member and the second connecting rod, and when the lock body and the lock catch are in a retracted state, the door hinge is in a closed state.

[0010] Optionally, a first mounting bracket is connected to the first mounting member, a second mounting bracket is connected to the second connecting rod, and the lock body and the lock buckle are respectively mounted on the first mounting bracket and the second mounting bracket.

[0011] Optionally, the lock body is mounted on the first mounting bracket, and a reinforcement structure is respectively provided on the first mounting member and the first mounting bracket.

[0012] Optionally, the first mounting member and the first connecting rod are rotatably connected via a first pin shaft, the first pin shaft is mounted with a first bushing, and the first bushing is located between the first mounting member and the first connecting rod; the first connecting rod and the second connecting rod are rotatably connected via a second pin shaft, the second pin shaft is mounted with a second bushing, and the second bushing is located between the first connecting rod and the second connecting rod; the second connecting rod and the second mounting member are rotatably connected via a third pin shaft, the third pin shaft is mounted with a third bushing, and the third bushing is located between the second connecting rod and the second mounting member.

[0013] Optionally, the automatic support rod is an electric support rod.

[0014] The present invention also provides a vehicle, comprising any one of the door hinges described above.

[0015] The vehicle door hinge provided by the present invention can meet the use requirements of a swing-out vehicle rear door, thereby reducing the difficulty of implementing the swing-out vehicle door hinge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is one of the structural schematic diagrams of the door hinge described in some embodiments; Figure 2 is a top view of a door hinge described in some embodiments; Figure 3 for Figure 2 AA section view in; Figure 4 for Figure 2 BB section view in; Figure 5 for Figure 2CC section view in; Figure 6 This is the second structural schematic diagram of the door hinge described in some embodiments.

[0017] In the figure, 1—first mounting member, 2—first connecting rod, 3—second connecting rod, 4—second mounting member, 5—first pin shaft, 6—second pin shaft, 7—third pin shaft, 8—first mounting bracket, 9—second mounting bracket, 10—first bushing, 11—second bushing, 12—third bushing, 13—first ball pin, 14—second ball pin, 101—bottom plate portion, 102—side plate portion, 103—first mounting hole, 401—second mounting hole. DETAILED DESCRIPTION

[0018] The following will describe the embodiments of the present invention with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be understood that the preferred embodiments are only for illustrating the present invention, not for limiting the scope of protection of the present invention.

[0019] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0020] like Figure 1 and Figure 2 A door hinge shown in the figure includes a first mounting member 1 for connecting to a vehicle body, a second mounting member 4 for connecting to a vehicle door, a first connecting rod 2 rotatably connected to the first mounting member 1 at a rear end via a first rotatable structure, a second connecting rod 3 rotatably connected to the front end of the first connecting rod 2 at a rear end via a second rotatable structure, and an automatic strut connected between the first connecting rod 2 and the second connecting rod 3, the front end of the second connecting rod 3 is rotatably connected to the second mounting member 4 via a third rotatable structure, and the rotation axes of the first rotatable structure, the second rotatable structure and the third rotatable structure all extend in the up-down direction; when the door hinge is in a closed state, the angle between the first connecting rod 2 and the second connecting rod 3 is less than 180 degrees, the front end of the second connecting rod 3 is located obliquely forward of the rear end of the first connecting rod 2 in the direction of the vehicle outer side, and the extension of the automatic strut can drive the first connecting rod 2 and the second connecting rod 3 to rotate relative to each other, so that the angle between the first connecting rod 2 and the second connecting rod 3 increases, and the distance between the front end of the second connecting rod 3 and the rear end of the first connecting rod 2 increases.

[0021] When the swing-out door hinge is applied to a vehicle, when the door just starts to open, the automatic strut extends, driving the first link 2 and the second link 3 to rotate relative to each other, increasing the distance between the front end of the second link 3 and the rear end of the first link 2, thereby driving the second mounting member 4 and the door connected to the second mounting member 4 to rotate. When the door continues to open, the second mounting member 4 rotates relative to the second link 3, and the second link 3, the first link 2 and the automatic strut rotate relative to the first mounting member 1 as a whole, so that the door swings open toward the outside of the vehicle and backward.

[0022] When the door is a rear door of a vehicle, and the front of the rear door of the vehicle is blocked by the rear of the front door of the vehicle, the automatic strut is extended to drive the first link 2 and the second link 3 to rotate relative to each other, and the distance between the front end of the second link 3 and the rear end of the first link 2 increases, thereby driving the second mounting member 4 and the rear door of the vehicle connected to the second mounting member 4 to rotate, so that the front of the rear door of the vehicle avoids the rear of the front door of the vehicle, and then the rear door of the vehicle can be smoothly swung open toward the outside of the vehicle and backward. The swing-out door hinge can meet the use requirements of the rear door of the vehicle, and has the characteristics of easy implementation and simple structure.

[0023] In the above technical solution, the automatic strut has the following two functions: when the door just starts to open, the automatic strut is used to drive the two-link mechanism composed of the first link 2 and the second link 3 to extend, so as to drive the door to rotate at a small angle to avoid obstruction. After the door avoids the obstruction, the automatic strut also plays the role of maintaining the length of the two-link mechanism composed of the first link 2 and the second link 3. At this time, the two-link mechanism is equivalent to a single link, and the entire two-link mechanism rotates stably together, so that the door can swing open smoothly and stably toward the outside of the vehicle and backward.

[0024] It should be noted that the door hinge has an open state and a closed state. When the door connected to the door hinge is in the open state, the door hinge is in the open state. When the door connected to the door hinge is in the closed state, the door hinge is in the closed state.

[0025] In some embodiments, when the door hinge is in a closed state, the first link 2 extends obliquely from rear to front toward the vehicle outer side and / or the second link 3 extends obliquely from rear to front toward the vehicle outer side. By using the first link 2 and / or the second link 3 arranged obliquely, the following structure can be more easily realized: when the door hinge is in a closed state, the angle between the first link 2 and the second link 3 is less than 180 degrees, and the front end of the second link 3 is located obliquely in front of the rear end of the first link 2 in the vehicle outer side direction.

[0026] In some embodiments, one end of the automatic strut is connected to the first connecting rod 2 through a first ball head connection structure, and the other end of the automatic strut is connected to the second connecting rod 3 through a second ball head connection structure. The first ball head connection structure and the second ball head connection structure are provided so that the automatic strut can better open and retract the first connecting rod 2 and the second connecting rod 3.

[0027] As a specific example, Figure 6 As shown, the first ball head connection structure includes a first ball head pin 13 fixedly installed in the middle section of the first connecting rod 2, and the second ball head connection structure includes a second ball head pin 14 fixedly installed in the middle section of the second connecting rod 3.

[0028] In specific implementation, the automatic support rod can be an electric support rod, which has the characteristic of being easy to control. Of course, the automatic support rod can be a support rod of other structural forms, such as a pneumatic support rod.

[0029] In some embodiments, the door hinge further comprises a lock assembly, wherein a lock body and a lock catch of the lock assembly are respectively connected to the first mounting member 1 and the second connecting rod 3, and when the lock body and the lock catch are in a folded state, the door hinge is in a closed state. The lock assembly is provided to lock the door and better maintain the closed state of the door hinge.

[0030] In some embodiments, a first mounting bracket 8 is connected to the first mounting member 1, a second mounting bracket 9 is connected to the second connecting rod 3, and the lock body and the lock buckle are respectively fixedly mounted on the first mounting bracket 8 and the second mounting bracket 9. Providing the first mounting bracket 8 and the second mounting bracket 9 facilitates the arrangement of the lock assembly.

[0031] In some embodiments, the lock body is mounted on the first mounting bracket 8, and a reinforcement structure is respectively provided on the first mounting member 1 and the first mounting bracket 8. Since both the first mounting member 1 and the first mounting bracket 8 are subjected to force, a reinforcement structure may be respectively provided on the first mounting member 1 and the first mounting bracket 8, and the reinforcement structure may be a reinforcement rib or a reinforcement flange, or the reinforcement structure may be a thickened portion obtained by thickening the first mounting member 1 and the first mounting bracket 8, for example, the first mounting member 1 and the first mounting bracket 8 are made of a steel material with a thickness of 6 mm.

[0032] As a specific example, the first mounting member 1 is formed by mechanical processing, and the first mounting member 1 has a first mounting hole 103 that is machined, and the first mounting hole 103 is used to be connected to the vehicle body bolt. The first mounting bracket 8 is formed by mechanical processing, and the first mounting bracket 8 has a lock body mounting hole that is machined. The first mounting bracket 8 and the first mounting member 1 can be connected by two welding. The second mounting member 4 is formed by mechanical processing, and the second mounting member 4 has a second mounting hole 401 that is machined, and the second mounting hole 401 is used to be connected to the vehicle door bolt. The second mounting bracket 9 is formed by mechanical processing, and the second mounting bracket 9 has a lock buckle mounting hole that is machined. The second mounting bracket 9 is connected to the second connecting rod 3 by welding. The above scheme can ensure the strength of the lock buckle mounting point.

[0033] In a specific implementation, the first mounting member 1 includes a bottom plate portion 101 and a side plate portion 102 . The first mounting member 1 can be made of a profile having an L-shaped cross section to enhance the structural strength of the first mounting member 1 .

[0034] In some embodiments, Figure 3 As shown, the first mounting member 1 and the first connecting rod 2 are hinged by the first pin 5, the first connecting rod 2 can rotate around the first pin 5, and the first bushing 10 is mounted on the first pin 5. The first bushing 10 is located between the first mounting member 1 and the first connecting rod 2. The provision of the first bushing 10 can reduce or even eliminate abnormal rotation noise between the first mounting member 1 and the first connecting rod 2.

[0035] In some embodiments, Figure 4 As shown, the first connecting rod 2 and the second connecting rod 3 are hinged by the second pin shaft 6. The first connecting rod 2 and the second connecting rod 3 can rotate relative to each other around the second pin shaft 6. The second bushing 11 is mounted on the second pin shaft 6. The second bushing 11 is located between the first connecting rod 2 and the second connecting rod 3. The provision of the second bushing 11 can reduce or even eliminate the abnormal rotation noise between the first connecting rod 2 and the second connecting rod 3.

[0036] In some embodiments, Figure 5 As shown, the second connecting rod 3 and the second mounting member 4 are hinged by the third pin shaft 7. The second connecting rod 3 and the second mounting member 4 can rotate relative to each other around the third pin shaft 7. The third bushing 12 is mounted on the third pin shaft 7. The third bushing 12 is located between the second connecting rod 3 and the second mounting member 4. The provision of the third bushing 12 can reduce or even eliminate the abnormal rotation noise between the second connecting rod 3 and the second mounting member 4.

[0037] The present invention also provides a vehicle, comprising any one of the door hinges described above.

[0038] The above embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or changes made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention. In the description of this specification, the description of reference terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics of the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0039] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear" and the like indicate directions based on the attached Figure 1 The orientations represented by the coordinate system are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

Claims

1. A door hinge, characterized in that: The invention comprises a first mounting member (1) for connecting to a vehicle body, a second mounting member (4) for connecting to a vehicle door, a first connecting rod (2) having a rear end rotatably connected to the first mounting member (1), a second connecting rod (3) having a rear end rotatably connected to a front end of the first connecting rod (2), and an automatic support rod connected between the first connecting rod (2) and the second connecting rod (3), wherein the front end of the second connecting rod (3) is rotatably connected to the second mounting member (4); When the door hinge is in a closed state, the angle between the first connecting rod (2) and the second connecting rod (3) is less than 180 degrees, the front end of the second connecting rod (3) is located obliquely in front of the rear end of the first connecting rod (2) in the direction of the vehicle outer side, and the automatic strut extension can drive the first connecting rod (2) and the second connecting rod (3) to rotate relative to each other, so that the angle between the first connecting rod (2) and the second connecting rod (3) increases.

2. The vehicle door hinge according to claim 1, characterized in that: When the door hinge is in a closed state, the first connecting rod (2) extends obliquely from rear to front toward the vehicle outer side and / or the second connecting rod (3) extends obliquely from rear to front toward the vehicle outer side.

3. The vehicle door hinge according to claim 1, characterized in that: One end of the automatic support rod is connected to the first connecting rod (2) via a first ball head connection structure, and the other end of the automatic support rod is connected to the second connecting rod (3) via a second ball head connection structure.

4. The vehicle door hinge according to claim 3, characterized in that: The first ball head connection structure comprises a first ball head pin (13) mounted on the first connecting rod (2), and the second ball head connection structure comprises a second ball head pin (14) mounted on the second connecting rod (3).

5. The vehicle door hinge according to claim 1, characterized in that: It also comprises a lock assembly, wherein a lock body and a lock catch of the lock assembly are respectively connected to the first mounting member (1) and the second connecting rod (3); when the lock body and the lock catch are in a retracted state, the door hinge is in a closed state.

6. The vehicle door hinge according to claim 5, characterized in that: The first mounting member (1) is connected to a first mounting bracket (8), the second connecting rod (3) is connected to a second mounting bracket (9), and the lock body and the lock buckle are respectively mounted on the first mounting bracket (8) and the second mounting bracket (9).

7. The vehicle door hinge according to claim 6, characterized in that: The lock body is mounted on the first mounting bracket (8), and the first mounting member (1) and the first mounting bracket (8) are respectively provided with a reinforcement structure.

8. The vehicle door hinge according to claim 1, characterized in that: The first mounting member (1) and the first connecting rod (2) are rotatably connected via a first pin shaft (5), a first bushing (10) is sleeved on the first pin shaft (5), and the first bushing (10) is located between the first mounting member (1) and the first connecting rod (2); the first connecting rod (2) and the second connecting rod (3) are rotatably connected via a second pin shaft (6), a second bushing (11) is sleeved on the second pin shaft (6), and the second bushing (11) is located between the first connecting rod (2) and the second connecting rod (3); the second connecting rod (3) and the second mounting member (4) are rotatably connected via a third pin shaft (7), a third bushing (12) is sleeved on the third pin shaft (7), and the third bushing (12) is located between the second connecting rod (3) and the second mounting member (4).

9. The vehicle door hinge according to claim 1, characterized in that: The automatic support rod is an electric support rod.

10. A vehicle, characterized in that: A vehicle door hinge comprising any one of claims 1-9.

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