Automobile front door hinge reinforcing plate

Abstract

The utility model relates to the technical field of automobile parts, in particular to an automobile front door hinge reinforcing plate which comprises a reinforcing plate body, a hinge is fixedly welded to the right end of the top face of the reinforcing plate body, pin holes are formed in the front end and the rear end of the top end of the hinge, and four reinforcing sleeves are fixedly welded to the left end of the top face of the reinforcing plate body at equal intervals. The four reinforcing sleeves are arranged in a rectangular shape, supporting plates are fixedly welded to the front face and the back face of the right end of the hinge, the supporting plates are L-shaped, the bottom faces of the supporting plates are fixedly welded to the right ends of the top faces of the reinforcing plates, and four elastic pieces are arranged at the bottom end of the interior of the hinge. According to the automobile front door hinge reinforcing plate, the reinforcing sleeve, the reinforcing rib and the supporting plate are additionally arranged, so that the structural strength is further improved, the probability of deformation of the automobile front door hinge reinforcing plate when the automobile front door hinge reinforcing plate encounters external force is reduced; and a certain effect of blocking the corners of the hexagon bolt to prevent loosening is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a hinge reinforcement plate for an automobile front door. Background Art

[0002] Automobile door hinges are important mechanical components that connect the door sheet metal to the body frame. Their structural strength and design type will directly affect the smoothness of the door opening and closing, and whether they can bear the weight of the door without deformation. Excellent hinges can have a buffering function, reduce door closing noise, and improve the user experience. Common types of door hinges include gull-wing type, scissor door type, sliding door type, revolving door type, etc.

[0003] Due to the special structure of the existing door hinges, the contact area with the body and door sheet metal is insufficient, and its structural strength is low. Once subjected to external force, the probability of deformation will increase.

[0004] In order to solve the above problems, we have made improvements and proposed a front door hinge reinforcement plate for an automobile. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model provides a front door hinge reinforcement plate of an automobile, comprising a reinforcement plate, a hinge is fixedly welded to the right end of the top surface of the reinforcement plate, pin holes are provided at the front and rear ends of the top end of the hinge, four reinforcement sleeves are fixedly welded to the left end of the top surface of the reinforcement plate at equal intervals, the four reinforcement sleeves are arranged in a rectangular shape, support plates are fixedly welded to the front and back surfaces of the right end of the hinge, the support plate is L-shaped, and its bottom surface is fixedly welded to the right end of the top surface of the reinforcement plate, and four spring pieces are arranged at the inner bottom end of the hinge.

[0007] As a preferred technical solution of the utility model, the through hole of the reinforcement sleeve penetrates to the bottom surface of the reinforcement plate, and an internal thread is arranged in the through hole of the reinforcement sleeve.

[0008] As a preferred technical solution of the utility model, four first reinforcing ribs are fixedly welded at equal intervals on the outer surface of the reinforcement sleeve, and the bottom surface of the first reinforcing ribs is fixedly welded to the top surface of the reinforcing plate.

[0009] As a preferred technical solution of the utility model, bushings are fixedly welded on both the front and back sides of the top of the hinge, the bushings are butted with the pin holes of the hinge, and the top of the support plate is fixedly welded with the bottom of the bushings.

[0010] As a preferred technical solution of the utility model, a second reinforcing rib is fixedly provided on the surface of the support plate, and the back and bottom surfaces of the second reinforcing rib are fixedly welded to the front surface of the top end and the top surface of the bottom end of the support plate respectively.

[0011] As a preferred technical solution of the utility model, the front and rear end surfaces of the bottom of the inner wall of the hinge are fixedly welded with pads, the length of the pads is slightly smaller than the length of the bottom end of the hinge, the four spring plates are distributed on the opposite surfaces of the two pads, each pad is fixedly connected to two spring plates and maintains a certain distance, and the spring plates are arc-shaped.

[0012] As a preferred technical solution of the utility model, two threaded holes are opened at the right end of the top surface of the reinforcing plate, and two hexagonal bolts are arranged at the inner bottom end of the hinge. The two hexagonal bolts are threadedly connected to the reinforcing plate through the two threaded holes and pass through the reinforcing plate. The spring sheets at the left and right ends of the pad are respectively aligned with the two hexagonal bolts and are close to the side surface planes of the nuts of the hexagonal bolts. The height of the spring sheets is lower than the height of the nuts of the hexagonal bolts.

[0013] The beneficial effects of the utility model are as follows: the automobile front door hinge reinforcement plate, by adding a reinforcement sleeve to extend the length of the threaded connection with the bolt, and adding reinforcement ribs on the outside to strengthen the installation and fixing strength, a support plate and reinforcement ribs are added between the outer side of the hinge and the reinforcement plate, so as to further improve the structural strength and reduce the probability of deformation when encountering external force, and at the same time, the arc-shaped spring sheet added in the reinforcement rib can play a certain role in blocking the corners of the hexagonal bolt to prevent loosening when the hexagonal bolt is loosened and rotated due to vibration, but when manually installed using tools, the hexagonal bolt is rotatable, and the strength of the spring sheet cannot prevent it from rotating, and the height is less than the thickness of the hexagonal bolt nut, which can facilitate tool clamping and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a structural schematic diagram of a hinge reinforcement plate for a front door of an automobile according to the utility model;

[0016] Figure 2 It is a schematic diagram of the right side structure of a hinge reinforcement plate for a front door of an automobile according to the utility model;

[0017] Figure 3 This is a schematic diagram of the top view of the structure of a hinge reinforcement plate for a front door of an automobile according to the utility model;

[0018] In the figure: 1. reinforcement plate; 2. hinge; 3. reinforcement sleeve; 301, internal thread; 4. first reinforcement rib; 5. bushing; 6. support plate; 7. second reinforcement rib; 8. pad; 9. spring piece; 10. hexagonal bolt. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Figure 1-3 As shown, a front door hinge reinforcement plate of an automobile comprises a reinforcement plate 1, a hinge 2 is fixedly welded to the right end of the top surface of the reinforcement plate 1, pin holes are provided at the front and rear ends of the top of the hinge 2, four reinforcement sleeves 3 are fixedly welded to the left end of the top surface of the reinforcement plate 1 at equal intervals, the four reinforcement sleeves 3 are arranged in a rectangular shape, support plates 6 are fixedly welded to the front and back surfaces of the right end of the hinge 2, the support plate 6 is L-shaped, and its bottom surface is fixedly welded to the right end of the top surface of the reinforcement plate 1, and four spring pieces 9 are arranged at the inner bottom end of the hinge 2.

[0021] The through hole of the reinforcement sleeve 3 penetrates to the bottom surface of the reinforcement plate 1 , and an internal thread 301 is arranged in the through hole of the reinforcement sleeve 3 .

[0022] Four first reinforcing ribs 4 are fixedly welded at equal intervals on the outer surface of the reinforcing sleeve 3 , and the bottom surface of the first reinforcing ribs 4 is fixedly welded to the top surface of the reinforcing plate 1 .

[0023] Bushings 5 ​​are fixedly welded on both the front and back sides of the top of the hinge 2 , the bushings 5 ​​are butted against the pin holes of the hinge 2 , and the top of the support plate 6 is fixedly welded to the bottom of the bushings 5 ​​.

[0024] A second reinforcing rib 7 is fixedly provided on the surface of the support plate 6 , and the back surface and bottom surface of the second reinforcing rib 7 are fixedly welded to the front surface of the top end and the top surface of the bottom end of the support plate 6 respectively.

[0025] The front and rear end surfaces of the bottom of the inner wall of the hinge 2 are fixedly welded with a pad 8, the length of the pad 8 is slightly smaller than the length of the bottom end of the hinge 2, four spring plates 9 are distributed on the opposite surfaces of the two pads 8, each pad 8 is fixedly connected to two spring plates 9 and maintains a certain distance, and the spring plates 9 are arc-shaped.

[0026] Two threaded holes are provided at the right end of the top surface of the reinforcing plate 1, and two hexagonal bolts 10 are arranged at the inner bottom end of the hinge 2. The two hexagonal bolts 10 are threadedly connected to the reinforcing plate 1 through the two threaded holes and pass through the reinforcing plate 1. The spring pieces 9 at the left and right ends of the pad 8 are respectively aligned with the two hexagonal bolts 10 and are close to the side surface planes of the nuts of the hexagonal bolts 10. The height of the spring pieces 9 is lower than the height of the nuts of the hexagonal bolts 10.

[0027] Working principle: When using this kind of automobile front door hinge reinforcement plate, align the reinforcement sleeve 3 and the threaded hole of the reinforcement plate 1 with the mounting hole of the door frame, first take two bolts and install them in the two reinforcement sleeves 3 at the left end of the reinforcement plate 1, and connect the end to the door frame, then install the hexagonal bolt 10 into the threaded hole at the right end of the reinforcement plate 1 through a tool, and connect the end to the body frame. The arc-shaped spring clip 9 can prevent the hexagonal bolt 10 from loosening and rotating due to vibration, but the hexagonal bolt 10 can be rotated when manually installed with a tool, and the spring clip 9 cannot prevent the rotation. Finally, pass the hinge pin through the pin hole of the hinge 2 and dock it with the auxiliary hinge of the other body.

[0028] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A front door hinge reinforcement plate for an automobile, comprising a reinforcement plate (1), characterized in that: A hinge (2) is fixedly welded to the right end of the top surface of the reinforcing plate (1), and pin holes are provided at the front and rear ends of the top of the hinge (2). Four reinforcing sleeves (3) are fixedly welded to the left end of the top surface of the reinforcing plate (1) at equal intervals, and the four reinforcing sleeves (3) are arranged in a rectangular shape. Support plates (6) are fixedly welded to the front and back surfaces of the right end of the hinge (2), and the support plate (6) is L-shaped, and its bottom surface is fixedly welded to the right end of the top surface of the reinforcing plate (1). Four spring plates (9) are arranged at the inner bottom end of the hinge (2).

2. The automobile front door hinge reinforcement plate according to claim 1, characterized in that: The through hole of the reinforcement sleeve (3) penetrates to the bottom surface of the reinforcement plate (1), and an internal thread (301) is provided in the through hole of the reinforcement sleeve (3).

3. The automobile front door hinge reinforcement plate according to claim 1, characterized in that: Four first reinforcing ribs (4) are fixedly welded at equal intervals on the outer surface of the reinforcing sleeve (3), and the bottom surface of the first reinforcing ribs (4) is fixedly welded to the top surface of the reinforcing plate (1).

4. The automobile front door hinge reinforcement plate according to claim 1, characterized in that: Bushings (5) are fixedly welded on both the front and back sides of the top of the hinge (2), the bushing (5) is butted against the pin hole of the hinge (2), and the top of the support plate (6) is fixedly welded to the bottom of the bushing (5).

5. The automobile front door hinge reinforcement plate according to claim 1, characterized in that: A second reinforcing rib (7) is fixedly provided on the surface of the support plate (6), and the back surface and bottom surface of the second reinforcing rib (7) are respectively fixedly welded to the front surface of the top end and the top surface of the bottom end of the support plate (6).

6. The automobile front door hinge reinforcement plate according to claim 1, characterized in that: Pads (8) are fixedly welded on the front and rear end surfaces of the bottom of the inner wall of the hinge (2), the length of the pads (8) is slightly smaller than the length of the bottom of the hinge (2), the four spring plates (9) are distributed on the opposite surfaces of the two pads (8), each pad (8) is fixedly connected to two spring plates (9) and maintains a certain distance, and the spring plates (9) are arc-shaped.

7. The automobile front door hinge reinforcement plate according to claim 6, characterized in that: The right end of the top surface of the reinforcing plate (1) is provided with two threaded holes, and the inner bottom end of the hinge (2) is provided with two hexagonal bolts (10). The two hexagonal bolts (10) are threadedly connected to the reinforcing plate (1) through the two threaded holes and pass through the reinforcing plate (1). The spring pieces (9) at the left and right ends of the pad (8) are respectively aligned with the two hexagonal bolts (10) and are close to the side surface planes of the nuts of the hexagonal bolts (10). The height of the spring pieces (9) is lower than the height of the nuts of the hexagonal bolts (10).

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