Rear wheel drum assembly

Abstract

The utility model discloses a rear wheel bulge assembly, comprising: a reinforcing plate connecting piece, the inner surface of the reinforcing plate connecting piece is fixedly connected to a second spring, the second spring is fixedly connected to a second connecting plate at one end away from the reinforcing plate connecting piece, the inner surface of the second connecting plate is threadedly connected to a third projection welding bolt, the outer surface of the second connecting plate is movably connected to an inner bulge, the inner surface of the inner bulge is movably connected to a first connecting plate, the side surface of the first connecting plate is fixedly connected to a connecting strip, the inner surface of the connecting strip is threadedly connected to a second projection welding bolt, and the outer surface of the second projection welding bolt is threadedly connected to an outer bulge; by arranging the first projection welding bolt, the first spring, the first connecting plate, the second projection welding bolt, the second spring, the second connecting plate and the third projection welding bolt, the connection between the reinforcing plate connecting piece and the bulge is welded on the outside, which is convenient for welding and avoids insufficient welding points caused by structural obstruction.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a rear wheel bulge assembly. Background Art

[0002] The rear wheel inner bulge assembly is an assembly of a car, which includes an inner bulge and convex welding bolts, wherein the inner surface of the inner bulge is an arc-shaped plane, and seven convex welding bolts are arranged on the inner surface, and the heads of the convex welding bolts have a convex point taper. The existing rear wheel bulge assembly is formed by overlapping the rear wheel bulge outer panel and the rear connecting plate of the door sill reinforcement to form a rear wheel bulge outer panel assembly, and the rear wheel bulge outer panel assembly is used for supply. At the same time, by adjusting the overlapping structure of the rear connecting plate of the door sill reinforcement and the rear wheel bulge outer panel, an open cavity structure can be prevented, thereby effectively improving the bending and torsional performance of the whole vehicle.

[0003] The connection method between the rear wheel bulge outer panel and the reinforcement has an important impact on the performance of the whole vehicle. However, the existing rear wheel bulge outer panel and reinforcement will be blocked by the structure during the connection process, resulting in insufficient welding points. After searching, it was found that the technical solution provided by the utility model with application number CN202221362319.5 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a rear wheel bulge assembly. By arranging a first projection welding bolt, a first spring, a first connecting plate, a second projection welding bolt, a second spring, a second connecting plate and a third projection welding bolt, the connection between the reinforcing plate connecting part and the bulge is welded externally to facilitate welding and avoid insufficient welding points caused by structural obstruction.

[0005] To achieve the above-mentioned objectives, the utility model also provides: a reinforcing plate connecting piece, the inner surface of the reinforcing plate connecting piece is fixedly connected to a second spring, the second spring is fixedly connected to the second connecting plate at one end away from the reinforcing plate connecting piece, the inner surface of the second connecting plate is threadedly connected to a third convex welding bolt, the outer surface of the second connecting plate is movably connected to an inner bulge, the inner surface of the inner bulge is movably connected to the first connecting plate, the side surface of the first connecting plate is fixedly connected to a connecting strip, the inner surface of the connecting strip is threadedly connected to the second convex welding bolt, the outer surface of the second convex welding bolt is threadedly connected to the outer bulge, the inner surface of the outer bulge is fixedly connected to the first spring, and the inner surface of the first connecting plate is threadedly connected to the first convex welding bolt. By arranging the first convex welding bolt, the first spring, the first connecting plate, the second convex welding bolt, the second spring, the second connecting plate, and the third convex welding bolt, the connection between the reinforcing plate connecting piece and the bulge is welded on the outside, which is convenient for welding and avoids insufficient welding points caused by structural obstruction.

[0006] According to the rear wheel bulge assembly, the inner surface of the reinforcing plate connecting piece is provided with a second sliding groove, and the inner surface of the second sliding groove is slidably connected to the second connecting plate.

[0007] According to the rear wheel bulge assembly, the outer surface of the third projection welding bolt is threadedly connected to the second connecting plate, and the outer surface of the second connecting plate is slidably connected to the reinforcing plate connecting piece.

[0008] According to the rear wheel bulge assembly, one end of the first spring away from the outer bulge is fixedly connected to the first connecting plate, and the inner surface of the outer bulge is slidably connected to the connecting strip.

[0009] According to the rear wheel bulge assembly, the inner surface of the outer bulge is provided with a first slide groove, and the inner surface of the first slide groove is slidably connected to the first connecting plate, so that the sliding track is clearer and the threaded hole position is more precise.

[0010] According to the rear wheel bulge assembly, the outer surface of the second connecting plate is provided with a second connecting hole, and the outer surface of the inner bulge is provided with a first connecting hole, so that the connection positioning is more accurate and the occurrence of installation misalignment is avoided.

[0011] According to the rear wheel bulge assembly, the inner surface of the first connecting hole is threadedly connected to the first projection welding bolt, and the inner surface of the second connecting hole is threadedly connected to the first projection welding bolt.

[0012] According to the rear wheel bulge assembly, the upper surface of the inner bulge is movably connected to the reinforcing plate connecting piece, and the lower surface of the outer bulge is movably connected to the reinforcing plate connecting piece.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is the overall structural diagram of the rear wheel drum assembly of the utility model;

[0016] Figure 2 It is a partial structural diagram of the rear wheel bulge assembly of the utility model;

[0017] Figure 3 This is another partial structural diagram of the rear wheel bulge assembly of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the use of the rear wheel drum assembly.

[0019] Legend:

[0020] 1. Reinforcement plate connector; 2. Outer bulge; 3. Inner bulge; 4. First projection welding bolt; 5. First spring; 6. First connecting plate; 7. Connecting strip; 8. Second projection welding bolt; 9. First slide groove; 10. Second slide groove; 11. Second spring; 12. Second connecting plate; 13. Third projection welding bolt; 14. First connecting hole; 15. Second connecting hole. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The rear wheel bulge assembly of the embodiment of the utility model includes: a reinforcing plate connecting member 1, the inner surface of the reinforcing plate connecting member 1 is fixedly connected with a second spring 11, the end of the second spring 11 away from the reinforcing plate connecting member 1 is fixedly connected with a second connecting plate 12, the outer surface of the second connecting plate 12 is provided with a second connecting hole 15, the inner surface of the second connecting hole 15 is threadedly connected with the first projection welding bolt 4, the outer surface of the inner bulge 3 is provided with a first connecting hole 14, the inner surface of the first connecting hole 14 is threadedly connected with the first projection welding bolt 4, the inner surface of the reinforcing plate connecting member 1 is provided with a second slide groove 10, the inner surface of the second slide groove 10 is slidably connected with the second connecting plate 12, the inner surface of the second connecting plate 12 is threadedly connected with a third projection welding bolt 13, the outer surface of the third projection welding bolt 13 is threadedly connected with the second connecting plate 12, the outer surface of the second connecting plate 12 is threadedly connected with the reinforcing plate The plate connecting piece 1 is slidably connected, the outer surface of the second connecting plate 12 is movably connected with the inner bulge 3, the upper surface of the inner bulge 3 is movably connected to the reinforcing plate connecting piece 1, the inner surface of the inner bulge 3 is movably connected with the first connecting plate 6, the side surface of the first connecting plate 6 is fixedly connected with a connecting strip 7, the inner surface of the connecting strip 7 is threadedly connected with the second projection welding bolt 8, the outer surface of the second projection welding bolt 8 is threadedly connected with the outer bulge 2, the lower surface of the outer bulge 2 is movably connected to the reinforcing plate connecting piece 1, the inner surface of the outer bulge 2 is slidably connected with the connecting strip 7, the inner surface of the outer bulge 2 is fixedly connected with the first spring 5, the end of the first spring 5 away from the outer bulge 2 is fixedly connected with the first connecting plate 6, the inner surface of the outer bulge 2 is provided with a first slide groove 9, the inner surface of the first slide groove 9 is slidably connected to the first connecting plate 6, and the inner surface of the first connecting plate 6 is threadedly connected with the first projection welding bolt 4.

[0023] Working principle: the outer bulge 2 and the inner bulge 3 are welded and installed with the automobile body, and the reinforcing plate connector 1 is inserted between the outer bulge 2 and the inner bulge 3. The first connecting plate 6 is squeezed by the first spring 5 due to the resistance of the reinforcing plate connector 1, so that the first connecting plate 6 is sunk into the outer bulge 2. A first slide groove 9 is arranged in the outer bulge 2 to provide a sliding track for the connecting strip 7 fixed on the side of the first connecting plate 6. The second connecting plate 12 is squeezed by the second spring 11 due to the resistance of the inner bulge 3. A second slide groove 10 is arranged in the reinforcing plate connector 1 to provide a sliding track for the second connecting plate 12. When the reinforcing plate connector 1 is completely embedded in the outer bulge 2 and the inner bulge 3, the first connecting plate 6 loses its limiting force through the notch of the reinforcing plate connector 1 and the inner bulge 3, and the restoring force of the first spring 5 drives the first connecting plate 6 to move. The connecting plate 6 moves down until the threaded hole of the connecting strip 7 in the first slide groove 9 is connected with the threaded hole of the outer bulge 2, and the left and right sides of the first connecting plate 6 are fixed by two second projection welding bolts 8 respectively. The second connecting plate 12 loses its limiting force through the groove of the reinforcing plate connecting member 1, and the restoring force of the second spring 11 drives the second connecting plate 12 to move down until the threaded hole of the second connecting plate 12 in the second slide groove 10 is connected with the threaded hole of the reinforcing plate connecting member 1, and is fixed to the left and right sides of the second connecting plate 12 by two third projection welding bolts 13 respectively. When the threaded hole of the first connecting plate 6, the second connecting hole 15 of the second connecting plate 12 and the first connecting hole 14 of the inner bulge 3 are connected, the first projection welding bolt 4 is installed to realize the connection between the reinforcing plate connecting member 1 and the outer bulge 2 and the inner bulge 3, and the installation is realized.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. The rear wheel bulge assembly is characterized by: include: A reinforcing plate connecting member (1), wherein a second spring (11) is fixedly connected to the inner surface of the reinforcing plate connecting member (1), an end of the second spring (11) away from the reinforcing plate connecting member (1) is fixedly connected to a second connecting plate (12), an inner surface of the second connecting plate (12) is threadedly connected to a third projection welding bolt (13), an outer surface of the second connecting plate (12) is movably connected to an inner bulge (3), an inner surface of the inner bulge (3) is movably connected to a first connecting plate (6), a side surface of the first connecting plate (6) is fixedly connected to a connecting strip (7), an inner surface of the connecting strip (7) is threadedly connected to a second projection welding bolt (8), an outer surface of the second projection welding bolt (8) is threadedly connected to an outer bulge (2), an inner surface of the outer bulge (2) is fixedly connected to a first spring (5), and an inner surface of the first connecting plate (6) is threadedly connected to a first projection welding bolt (4).

2. The rear wheel bulge assembly according to claim 1, characterized in that: The inner surface of the reinforcing plate connecting member (1) is provided with a second sliding groove (10), and the inner surface of the second sliding groove (10) is slidably connected to the second connecting plate (12).

3. The rear wheel bulge assembly according to claim 1, characterized in that: The outer surface of the third projection welding bolt (13) is threadedly connected to the second connecting plate (12), and the outer surface of the second connecting plate (12) is slidably connected to the reinforcing plate connecting piece (1).

4. The rear wheel bulge assembly according to claim 1, characterized in that: One end of the first spring (5) away from the outer bulge (2) is fixedly connected to the first connecting plate (6), and the inner surface of the outer bulge (2) is slidably connected to the connecting strip (7).

5. The rear wheel bulge assembly according to claim 1, characterized in that: The inner surface of the outer bulge (2) is provided with a first slide groove (9), and the inner surface of the first slide groove (9) is slidably connected to the first connecting plate (6).

6. The rear wheel bulge assembly according to claim 1, characterized in that: The outer surface of the second connecting plate (12) is provided with a second connecting hole (15), and the outer surface of the inner bulge (3) is provided with a first connecting hole (14).

7. The rear wheel bulge assembly according to claim 6, characterized in that: The inner surface of the first connection hole (14) is threadedly connected to the first projection welding bolt (4), and the inner surface of the second connection hole (15) is threadedly connected to the first projection welding bolt (4).

8. The rear wheel bulge assembly according to claim 1, characterized in that: The upper surface of the inner bulge (3) is movably connected to the reinforcing plate connecting piece (1), and the lower surface of the outer bulge (2) is movably connected to the reinforcing plate connecting piece (1).

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