Vehicle door hinge positioning structure

Abstract

The utility model relates to the technical field of automobile accessories, in particular to an automobile door hinge positioning structure which comprises an automobile door hinge body, the automobile door hinge body comprises a fixing piece connected with an automobile body, a rotating piece connected with an automobile door, a rotating shaft and a limiting piece, the rotating shaft is installed in the fixing piece, and the rotating piece is rotationally connected with the fixing piece through the rotating shaft. The rotating piece can rotate around the axis of the rotating shaft; the limiting piece comprises a positioning protruding block and a limiting block, and the positioning protruding block abuts against the limiting block and is used for limiting the rotating angle of the rotating piece relative to the fixed piece. The vehicle door hinge is easy to install and position, high in efficiency, capable of bearing high-strength force, high in strength and easy to install, the assembling efficiency and the assembling qualification rate are improved, high-strength steel forging is adopted, therefore, the opening and closing performance of a vehicle door is improved, and large impact and force can be resisted.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a door hinge positioning structure. Background Art

[0002] The door hinge positioning structure is a structure used to determine the relative position of the vehicle door in the vehicle compartment. It is a key component connecting the vehicle body and the door. The door can be opened or closed by rotating around the hinge axis.

[0003] A door hinge positioning structure described in the prior art includes a nut and a door hinge, wherein the lower part of the nut is provided with a circle of positioning flanges along the circumferential direction of the nut hole; the positioning flange and the nut are integrally formed; the lower part of the positioning flange is provided with a circle of positioning bosses along the circumferential direction of the nut hole; the positioning bosses and the positioning flange are integrally formed; a plurality of door hinge mounting holes are provided on the door hinge; the outer diameter of the positioning bosses is equal to the diameter of the door hinge mounting holes; and one end of the nut provided with the positioning bosses is driven into the door hinge mounting hole.

[0004] At present, the door hinge positioning structure mentioned above is a stamped hinge, which has a low cost, but the hinge precision is poor, the stamping parts strength is low, and the hinge installation rigidity is insufficient. As the vehicle is used for a long time, it directly affects the coordination between the door and the body. Utility Model Content

[0005] The purpose of the utility model is to provide a door hinge positioning structure to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A door hinge positioning structure, comprising a door hinge body, wherein the door hinge body comprises a fixed part connected to a vehicle body, a rotating part connected to a vehicle door, a rotating shaft and a stopper, wherein the rotating shaft is installed inside the fixed part, and the rotating part is rotatably connected to the fixed part through the rotating shaft, so that the rotating part can rotate around the axis of the rotating shaft;

[0008] The limiting member includes a positioning protrusion and a limiting block, the positioning protrusion abuts against the limiting block to limit the rotation angle of the rotating member relative to the fixed member, the positioning protrusion is arranged on the outer wall surface of the fixed member close to the vehicle body along the lateral direction, the positioning protrusion is integrally forged and connected to the fixed member, the limiting block is located on the outer wall of the rotating member arranged along the lateral direction, and the limiting block is integrally forged and connected to the rotating member.

[0009] As a preferred solution of the utility model, the fixing part includes a fixed base and a cross bar. A first positioning pin that cooperates with a positioning hole on the vehicle body is provided on the outer wall of the fixed base away from the cross bar. Fixing nuts are evenly distributed on the fixed base. The fixed base is forged and connected to the cross bar in an integral manner.

[0010] As a preferred solution of the utility model, a second locating pin cooperating with a locating hole on the vehicle door is arranged on the outer wall of the rotating member on the side away from the limiting block, and a vehicle door mounting bolt is arranged on the rotating member.

[0011] As a preferred solution of the present invention, the fixing nut is a hexagonal nut.

[0012] As a preferred solution of the utility model, the first locating pin and the locating hole on the vehicle body are clearance matched, and the second locating pin and the locating hole on the door are clearance matched, the maximum clearance is 0.3mm, and the minimum clearance is 0.1mm.

[0013] As a preferred solution of the utility model, a reinforcing convex structure is forged on the fixed base.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In view of the problems raised in the background technology, the door hinge of the present application has simple installation and positioning, high efficiency, high strength, and is easy to install, which improves the assembly efficiency and assembly qualification rate, thereby improving the opening and closing performance of the door. It is forged with high-strength steel, can withstand high-strength forces, and can resist greater impacts and forces;

[0016] The first locating pin on the fixed base cooperates with the locating hole on the vehicle body, and the second locating pin on the rotating part cooperates with the locating hole on the door. The assembled door is clamped by a robot, and the fixed part is connected to the rotating part through the rotating shaft rod. The door bolts are aligned with the hinges, the limiter is tightened, the door bolts are tightened, and the installation is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall axonometric drawing of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the integral fixing member of the utility model.

[0020] In the figure: 1. door hinge body; 2. fixing member; 21. fixing base; 22. cross bar; 23. first positioning pin; 24. fixing nut; 3. rotating member; 4. rotating shaft; 5. limiting member; 51. positioning protrusion; 52. limiting block; 53. second positioning pin; 54. door mounting bolt. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.

[0022] Example

[0023] See also Figure 1-3 The utility model provides a technical solution: a door hinge positioning structure, including a door hinge body 1, the door hinge body 1 includes a fixed part 2 connected to the vehicle body, a rotating part 3 connected to the door, a rotating shaft 4 and a limiting part 5, the rotating shaft 4 is installed inside the fixed part 2, and the rotating part 3 is rotatably connected to the fixed part 2 through the rotating shaft 4, so that the rotating part 3 can rotate around the axis of the rotating shaft 4.

[0024] It should be noted that the door hinge body 1 is simple to install and position efficiently, can withstand high-strength forces, has high strength, is easy to install, improves assembly efficiency and assembly qualification rate, thereby improving the opening and closing performance of the door, and is forged with high-strength steel to withstand greater impact and force;

[0025] Furthermore, the high-strength steel forging is used, which has high strength and excellent tensile, bending, shear and other mechanical properties, so that it can withstand high-intensity forces and pressures, which not only improves the service life and stability of the door hinges, but also enhances the overall rigidity and strength of the door, which is conducive to ensuring the safety and reliability of the door in various usage scenarios;

[0026] Furthermore, the forging process of high-strength steel is simple and the cost is low. Compared with traditional hot-rolled steel, high-strength steel can be made by cold rolling, cold drawing, etc., which can not only reduce production costs, but also shorten the production cycle and improve production efficiency. In addition, high-strength steel also has good toughness and welding performance, which is easy to install and maintain. It can not only improve the opening and closing performance of the car door and enhance the overall strength of the car door, but also reduce production costs and improve production efficiency.

[0027] See also Figure 2 and 3The limiting member 5 includes a positioning protrusion 51 and a limiting block 52. The positioning protrusion 51 abuts against the limiting block 52 to limit the rotation angle of the rotating member 3 relative to the fixed member 2. The positioning protrusion 51 is arranged on the outer wall surface of the fixed member 2 close to the vehicle body in the transverse direction. The positioning protrusion 51 is integrally forged and connected with the fixed member 2. The limiting block 52 is located on the outer wall of the rotating member 3 arranged in the transverse direction. The limiting block 52 is integrally forged and connected with the rotating member 3; the fixed member 2 includes a fixed base 21 and a cross bar 22. A reinforcing convex structure is forged on the fixed base 21. The fixed base 21 is away from the cross bar 22. A first locating pin 23 is arranged on the side outer wall and cooperates with the locating hole on the vehicle body. Fixed nuts 24 are evenly distributed on the fixed base 21. The fixed nuts 24 are hexagonal nuts. The fixed base 21 is forged and connected to the cross bar 22 in one piece. A second locating pin 53 is arranged on the outer wall of the rotating part 3 on the side away from the limit block 52 and cooperates with the locating hole on the door. A door mounting bolt 54 is arranged on the rotating part 3. The first locating pin 23 and the locating hole on the vehicle body are clearance matched, and the second locating pin 53 and the locating hole on the door are clearance matched. The maximum clearance is 0.3mm and the minimum clearance is 0.1mm.

[0028] It should be noted that, in this embodiment, three fixing nuts 24 are arranged on the fixing base 21, which has high stability, rigidity and stability, and can effectively support the entire door system, which can not only improve the opening and closing performance of the door hinge, but also improve the overall stability of the door system, thereby ensuring the safety of passengers;

[0029] Furthermore, when in use, the first positioning pin 23 on the fixed base 21 cooperates with the positioning hole on the vehicle body, the second positioning pin 53 on the rotating part 3 cooperates with the positioning hole on the door, the assembled door is clamped by a robot, the fixed part 2 is connected to the rotating part 3 through the shaft rod of the rotating axis 4, the door bolts are aligned with the hinges, the limiter is tightened, the door bolts are tightened, and the installation is completed.

[0030] The utility model workflow:

[0031] When in use, the first positioning pin 23 on the fixed base 21 cooperates with the positioning hole on the vehicle body, and the second positioning pin 53 on the rotating part 3 cooperates with the positioning hole on the door. The assembled door is clamped by a robot, and the fixed part 2 is connected to the rotating part 3 through the rotating shaft 4 axis rod, the door bolts are aligned with the hinges, the limiter is tightened, the door bolts are tightened, and the installation is completed; the door hinge of the present application has simple installation and positioning, high efficiency, high strength, and easy installation, which improves the assembly efficiency and assembly qualification rate, thereby improving the opening and closing performance of the door. It is forged with high-strength steel, can withstand high-strength force, and can resist greater impact and force.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A door hinge positioning structure, comprising a door hinge body (1), characterized in that: The vehicle door hinge body (1) comprises a fixed part (2) connected to the vehicle body, a rotating part (3) connected to the vehicle door, a rotating shaft (4) and a stopper (5); the rotating shaft (4) is installed inside the fixed part (2); the rotating part (3) is rotatably connected to the fixed part (2) via the rotating shaft (4), so that the rotating part (3) can rotate around the axis of the rotating shaft (4); The limiting member (5) comprises a positioning protrusion (51) and a limiting block (52); the positioning protrusion (51) abuts against the limiting block (52) to limit the rotation angle of the rotating member (3) relative to the fixed member (2); the positioning protrusion (51) is arranged on the outer wall surface of the fixed member (2) close to the vehicle body along the transverse direction; the positioning protrusion (51) is integrally forged and connected to the fixed member (2); the limiting block (52) is located on the outer wall of the rotating member (3) arranged along the transverse direction; and the limiting block (52) is integrally forged and connected to the rotating member (3).

2. A door hinge positioning structure according to claim 1, characterized in that: The fixing member (2) comprises a fixing base (21) and a cross bar (22); a first positioning pin (23) cooperating with a positioning hole on a vehicle body is arranged on an outer wall of the fixing base (21) away from the cross bar (22); fixing nuts (24) are evenly distributed on the fixing base (21); and the fixing base (21) and the cross bar (22) are integrally forged and connected.

3. The door hinge positioning structure according to claim 1, characterized in that: A second positioning pin (53) that cooperates with a positioning hole on the vehicle door is provided on the outer wall of the rotating member (3) at a side away from the limiting block (52), and a vehicle door mounting bolt (54) is provided on the rotating member (3).

4. A door hinge positioning structure according to claim 2, characterized in that: The fixing nut (24) is a hexagonal nut.

5. The door hinge positioning structure according to claim 2, characterized in that: The first positioning pin (23) and the positioning hole on the vehicle body are clearance matched, and the second positioning pin (53) and the positioning hole on the vehicle door are clearance matched, with a maximum clearance of 0.3 mm and a minimum clearance of 0.1 mm.

6. The door hinge positioning structure according to claim 2, characterized in that: A reinforcing convex structure is forged on the fixed base (21).

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