Limiting mechanism for vehicle door hinge and vehicle

Abstract

The invention relates to a limiting mechanism for a vehicle door hinge and a vehicle. The limiting mechanism comprises a bias device, a side wall hinge plate, a hinge rotating shaft, a limiting bolt device and a vehicle door hinge plate. The bias device and the limiting bolt device are fixedly arranged on the side wall hinge plate and the vehicle door hinge plate respectively, and the side wall hinge plate and the vehicle door hinge plate are hinged through a hinge rotating shaft. The device is easy to install, and the vehicle door and even the heavy armored vehicle door can be kept at the opening position and kept still when the vehicle inclines and turns on one side.

Description

Technical Field

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

[0002] It is necessary to provide one or more doors on the vehicle with a hinge mechanism to facilitate opening / closing and to keep the door in the open position through a limit mechanism. In armored vehicles, in order to ensure that the protective doors are usually made of heavy bulletproof plates, the dead weight is greater than that of ordinary doors, and it is usually required that the heavy doors can be kept in the open position even when the vehicle is tilted and rolled over. The limiters currently used for ordinary doors are canvas pull straps or metal pull straps. The dead weight of armored vehicle doors is large, and the holding force of canvas pull straps or metal pull straps used in ordinary doors is insufficient; some high-end sports car doors use gas springs for limiters. Due to the limitations of the door structure of armored vehicles, gas springs cannot be arranged on armored doors. Summary of the invention

[0003] In view of this, the present invention aims to provide a limiting mechanism for a door hinge and a vehicle, which can keep the door or even a heavy armored door in an open position and remain motionless when the vehicle tilts or rolls over.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] A limiting mechanism for a vehicle door hinge, characterized in that it includes a biasing device, a side panel hinge plate, a hinge rotating shaft, a limiting bolt device and a vehicle door hinge plate; the biasing device and the limiting bolt device are respectively fixed on the side panel hinge plate and the vehicle door hinge plate, and the side panel hinge plate and the vehicle door hinge plate are hinged via a hinge rotating shaft.

[0006] Furthermore, the biasing device includes a first shell, a spring strut, a spring, a movable block, a roller support shaft, a roller, and a limiting wheel; the two ends of the spring strut are respectively connected to the first shell and the movable block, and a spring is sleeved in the middle; two limiting wheels are respectively arranged at the two ends of the roller support shaft, and a roller is sleeved in the middle, the limiting wheel is slidably connected to the first shell, and the roller movable block is detachably connected.

[0007] Furthermore, two limiting rings cooperating with the limiting wheels are arranged on the first shell, and the limiting wheels are slidably connected in the limiting rings.

[0008] Furthermore, the spring support rod, spring, movable block and limiting ring are coaxially arranged and inclined to the horizontal plane of the side panel hinge plate.

[0009] Furthermore, the limiting bolt device includes a second shell, a limiting claw, and a rubber limiting plate; the second shell is respectively provided with a limiting claw and a rubber limiting plate, and the rubber limiting plate is arranged above the limiting claw; the rubber limiting plate is detachably connected to the first shell, and the end of the limiting claw is provided with an arc groove matching the curvature of the roller, and the arc groove is detachably connected to the roller.

[0010] Furthermore, the first shell is provided with a first inclined surface, the second shell is provided with a second inclined surface corresponding to the first inclined surface, the rubber limiting plate is provided on the second inclined surface, and the rubber limiting plate is detachably connected to the first inclined surface.

[0011] Furthermore, a first wing plate is provided on the first shell, a second wing plate is provided on the second shell, and bolts are provided on the first wing plate and the second wing plate.

[0012] A vehicle comprises the limiting mechanism for a door hinge as described in any one of the above, and also comprises a cab side panel and a door; the side panel hinge plate is fixed to the cab side panel by bolts, and the door hinge plate is fixed to the door by bolts.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] The invention discloses a limiting mechanism for a door hinge and a vehicle, which are easy to install and can keep the door or even a heavy armored door in an open position and keep it motionless when the vehicle tilts or rolls over. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

[0017] Figure 2 is a schematic structural diagram of a biasing device according to an embodiment of the present invention;

[0018] Figure 3 is a schematic diagram of a limit pin structure according to an embodiment of the present invention;

[0019] Figure 4 is a schematic diagram of a first state when the limiting mechanism according to an embodiment of the present invention is opened;

[0020] Figure 5 It is a schematic diagram of the second state when the limiting mechanism according to the embodiment of the present invention is opened.

[0021] Description of reference numerals:

[0022] 1. Biasing device; 2. Side hinge plate; 3. Hinge rotation axis; 4. Limit bolt device; 5. Door hinge plate;

[0023] 1-1, first housing; 1-2, spring support rod; 1-3, spring; 1-4, movable block; 1-5, roller support shaft; 1-6, roller; 1-7, limiting wheel; 1-8, limiting ring; 1-9, first wing plate;

[0024] 4-1, second housing; 4-2, limiting claw; 4-3, rubber limiting plate; 4-4, second wing plate;

[0025] 1-1-1, first inclined surface; 4-1-1, second inclined surface. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0027] In the description of the present invention, it should be noted that if there are terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc., they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if there are terms such as "first", "second", etc., they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installed", "connected", "connection" and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0029] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0030] Embodiment 1

[0031] The present embodiment relates to a limiting mechanism for a vehicle door hinge, comprising a biasing device 1, a side panel hinge plate 2, a hinge rotating shaft 3, a limiting bolt device 4 and a vehicle door hinge plate 5; the biasing device 1 and the limiting bolt device 4 are respectively fixed on the side panel hinge plate 2 and the vehicle door hinge plate 5, and the side panel hinge plate 2 and the vehicle door hinge plate 5 are hinged through the hinge rotating shaft 3; the side panel hinge plate 2 and the vehicle door hinge plate 5 constitute a bearing motion platform of the limiting device, so as to realize angle limiting and motion limiting after the vehicle door is opened.

[0032] In detail, an exemplary structure of the limiting mechanism for the door hinge of this embodiment is as follows: Figure 1-5 As shown, in this example structure:

[0033] like Figure 2 As shown, the biasing device 1 includes a first shell 1-1, a spring strut 1-2, a spring 1-3, a movable block 1-4, a roller support shaft 1-5, a roller 1-6, and a limiting wheel 1-7; the two ends of the spring strut 1-2 are respectively connected to the first shell 1-1 and the movable block 1-4, and the spring 1-3 is sleeved in the middle; two limiting wheels 1-7 are respectively provided at both ends of the roller support shaft 1-5, and the roller 1-6 is sleeved in the middle, the limiting wheel 1-7 is slidably connected to the first shell 1-1, and the roller 1-6 is detachably connected to the movable block 1-4.

[0034] As a preferred implementation form, two limiting rings 1-8 that cooperate with the limiting wheel 1-7 are arranged on the first shell 1-1, and the limiting wheel 1-7 is slidably connected in the limiting ring 1-8; the roller 1-6 can drive the limiting wheel 1-7 to slide inward in the limiting ring 1-8, driving the movable block 1-4 to compress the spring 1-3; the size of the limiting ring 1-8 is used to limit the movement trajectory of the limiting roller 1-6.

[0035] As a preferred implementation form, the spring strut 1-2, the spring 1-3, the movable block 1-4, and the limit ring 1-8 are coaxially arranged and inclined to the horizontal plane of the side hinge plate 2; when the roller 1-6 moves upward, it drives the movable block 1-4 to compress the spring 1-3 upward.

[0036] like Figure 3 As shown, the limit bolt device 4 includes a second shell 4-1, a limit claw 4-2, and a rubber limit plate 4-3; the second shell 4-1 is respectively provided with a limit claw 4-2 and a rubber limit plate 4-3, and the rubber limit plate 4-3 is arranged above the limit claw 4-2; the rubber limit plate 4-3 is detachably connected to the first shell 1-1, and the end of the limit claw 4-2 is provided with an arc groove matching the curvature of the roller 1-6, and the arc groove is detachably connected to the roller 1-6.

[0037] As a preferred embodiment, Figure 4-5As shown, a first inclined surface 1-1-1 is provided on the first shell 1-1, a second inclined surface 4-1-1 corresponding to the first inclined surface 1-1-1 is provided on the second shell 4-1, and a rubber limit plate 4-3 is provided on the second inclined surface 4-1-1, and the rubber limit plate 4-3 is detachably connected to the first inclined surface 1-1-1; when the door hinge plate 5 deflects around the hinge rotation axis 3, the limit bolt device 4 is driven to deflect, and the limit claw 4-2 is driven to contact with the roller 1-6 and continue to rotate, and the limit claw 4-2 squeezes the roller 1-6 until the door is fully opened, the limit claw 4-2 bites the roller 1-6, and at this time the rubber limit plate 4-3 is squeezed and contacted with the first inclined surface 1-1-1 of the first shell 1-1; after the limit claw 4-2 bites the roller 1-6, it is ensured that the door will not close automatically even if the vehicle is in a tilted or overturned state.

[0038] As a preferred embodiment, the first housing 1-1 is provided with a first wing plate 1-9, and the second housing 4-1 is provided with a second wing plate 4-4. Figure 1-2 As shown, at least two bolt holes are provided on the first wing plate 1-9 and are distributed on both sides of the first shell 1-1 for installing bolts; Figure 1 , 3 As shown, at least three bolt holes are provided on the first shell 1 - 1 and are distributed on both sides and in the middle of the second shell 4 - 1 for installing bolts.

[0039] Embodiment 2

[0040] This embodiment relates to a vehicle, including any of the above-mentioned limiting mechanisms for door hinges, and also including a cab side panel and a door; the side panel hinge plate 2 is fixed to the cab side panel by bolts, and the door hinge plate 5 is fixed to the door by bolts; the device can be applied to any door structure with an external hinge arrangement, especially an armored vehicle door structure.

[0041] When the limiting mechanism for the door hinge in the first embodiment is used on the door of the armored vehicle in the second embodiment:

[0042] When the door is opened to a certain angle, the limit claw 4-2 in the device contacts the roller 1-6, and the roller 1-6 can drive the roller support shaft 1-5 and the movable block 1-4 to compress the spring 1-3 until the limit claw 4-2 completely bites the roller 1-6. At this time, the spring 1-3 rebounds, driving the movable block 1-4, the roller support shaft 1-5 and the roller 1-6 to return to their original positions;

[0043] When the door is to be closed, the inner wall of the limiting claw 4-2 squeezes the device roller 1-6, and the roller 1-6 can drive the roller support shaft 1-5 and the movable block 1-4 to compress the spring 1-3 until the limiting claw 4-2 is completely separated from the roller 1-6. At this time, the spring 1-3 rebounds, driving the movable block 1-4, the roller support shaft 1-5 and the biasing device roller 1-6 to return to their original positions.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A limiting mechanism for a door hinge, characterized in that: The invention comprises a biasing device (1), a side panel hinge plate (2), a hinge rotating shaft (3), a stop bolt device (4) and a door hinge plate (5); the biasing device (1) and the stop bolt device (4) are respectively fixed on the side panel hinge plate (2) and the door hinge plate (5); the side panel hinge plate (2) and the door hinge plate (5) are hingedly connected via the hinge rotating shaft (3).

2. The limiting mechanism for a door hinge according to claim 1, characterized in that: The biasing device (1) comprises a first housing (1-1), a spring support rod (1-2), a spring (1-3), a movable block (1-4), a roller support shaft (1-5), a roller (1-6), and a limiting wheel (1-7); the two ends of the spring support rod (1-2) are respectively connected to the first housing (1-1) and the movable block (1-4), and the spring (1-3) is sleeved in the middle; the two ends of the roller support shaft (1-5) are respectively provided with two limiting wheels (1-7), and the roller (1-6) is sleeved in the middle; the limiting wheel (1-7) is slidably connected to the first housing (1-1), and the roller (1-6) is detachably connected to the movable block (1-4).

3. The limiting mechanism for a door hinge according to claim 2, characterized in that: The first housing (1-1) is provided with two limiting rings (1-8) that match the limiting wheels (1-7), and the limiting wheels (1-7) are slidably connected in the limiting rings (1-8).

4. The limiting mechanism for a door hinge according to claim 3, characterized in that: The spring support rod (1-2), the spring (1-3), the movable block (1-4) and the limiting ring (1-8) are coaxially arranged and inclined to the horizontal plane of the side enclosure hinge plate (2).

5. The limiting mechanism for a door hinge according to claim 4, characterized in that: The limit bolt device (4) comprises a second shell (4-1), a limit claw (4-2), and a rubber limit plate (4-3); the second shell (4-1) is provided with a limit claw (4-2) and a rubber limit plate (4-3), respectively, and the rubber limit plate (4-3) is arranged above the limit claw (4-2); the rubber limit plate (4-3) is detachably connected to the first shell (1-1), and an arc groove matching the curvature of the roller (1-6) is arranged at the end of the limit claw (4-2), and the arc groove is detachably connected to the roller (1-6).

6. The limiting mechanism for a door hinge according to claim 5, characterized in that: The first shell (1-1) is provided with a first inclined surface (1-1-1), the second shell (4-1) is provided with a second inclined surface (4-1-1) corresponding to the first inclined surface (1-1-1), the rubber limiting plate (4-3) is provided on the second inclined surface (4-1-1), and the rubber limiting plate (4-3) is detachably connected to the first inclined surface (1-1-1).

7. The limiting mechanism for a door hinge according to claim 6, characterized in that: The first shell (1-1) is provided with a first wing plate (1-9), the second shell (4-1) is provided with a second wing plate (4-4), and bolts are provided on the first wing plate (1-9) and the second wing plate (4-4).

8. A vehicle, characterized in that: It comprises a limiting mechanism for a vehicle door hinge as claimed in any one of claims 1 to 7, and also comprises a cab side panel and a vehicle door; the side panel hinge plate (2) is fixed to the cab side panel by bolts, and the door hinge plate (5) is fixed to the vehicle door by bolts.

Images