Environment-friendly hub shaft core protective sleeve made of corrugated paper

Abstract

The utility model discloses an environment-friendly hub shaft core protective sleeve made of corrugated paper, and relates to the technical field of bicycle part packaging, the environment-friendly hub shaft core protective sleeve comprises a first shielding plate, side plates are fixedly connected to the two sides of the first shielding plate, first creases are arranged between the side plates and the first shielding plate, and second creases are arranged between the side plates and the first shielding plate. A second shielding plate is fixedly connected to the side, away from the first folding mark, of the side plate. By the adoption of the structure, the side plate is pushed to be close to the first shielding plate, the side plate is bent through the first folding mark, then the second shielding plate is pushed to be close to the first shielding plate, the second shielding plate is bent through the second folding mark, and the second shielding plate is provided with the U-shaped limiting groove which can be in contact with a hub central spindle of a bicycle and clamped on the hub central spindle. Therefore, the first shielding plate, the second shielding plate and the side plates can protect the hub shaft core, due to the fact that the hub shaft core is made of corrugated paper, large friction damage to the hub shaft core cannot be caused, the use cost is low, and compared with a plastic material, the environment friendliness is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of bicycle parts packaging, and particularly relates to an environmentally friendly hub axle core protective sleeve made of corrugated paper. Background Art

[0002] The bicycle hub axle is one of the core components of the bicycle hub, also known as the bearing. It is usually located inside the front and rear wheel hubs of the bicycle. The hub axle is the shaft connecting the two sides of the hub, allowing the hub to rotate smoothly. During transportation, the bicycle hub axle needs to use a protective cover.

[0003] In the prior art, the bicycle hub axle protective cover is a circular protective cover made of plastic material. The inner wall of the protective cover is designed with convex strips to increase the contact friction with the axle core. However, this design easily causes friction damage to the hub axle core, and the protective cover must be disassembled and assembled very carefully. In addition, the mold opening cost of the plastic protective cover is high, which increases the production cost. The plastic material is usually toxic and not environmentally friendly. Utility Model Content

[0004] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide an environmentally friendly hub axle core protective cover made of corrugated paper to solve the problem that the bicycle hub axle core protective cover adopts a circular protective cover made of plastic material, and the inner wall of the protective cover is designed with convex strips to increase the contact friction with the axle core. However, this design easily causes friction damage to the hub axle core, and the protective cover must be disassembled and assembled very carefully. In addition, the mold opening cost of the plastic protective cover is high, which increases the production cost, and the plastic material is usually toxic and not environmentally friendly.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] An environmentally friendly hub axle core protective sleeve made of corrugated paper includes a first baffle plate, both sides of the first baffle plate are fixedly connected to side panels, a first fold is provided between the side panel and the first baffle plate, a second baffle plate is fixedly connected to the side of the side panel away from the first fold, a second fold is provided between the second baffle plate and the side panel, a limiting groove is provided on one side of the second baffle plate, and the limiting groove is a U-shaped structure.

[0007] As a preferred technical solution, a reinforcing plate is fixedly connected to a side of the first shielding plate away from the second shielding plate, and a third fold is provided between the reinforcing plate and the first shielding plate.

[0008] As a preferred technical solution, positioning blocks are fixedly connected to both sides of the inner wall of the limiting groove, and the positioning blocks are arc-shaped structures.

[0009] As a preferred technical solution, a through groove is provided inside the positioning block, and a support block is fixedly connected to the inner wall of the through groove. There are three support blocks, and the three support blocks are formed in a herringbone shape.

[0010] As a preferred technical solution, one side of the first shielding plate, the side plate, the second shielding plate, and the reinforcing plate are all provided with wear-resistant fibers, and one side of the wear-resistant fibers is provided with moisture-proof fibers.

[0011] As a preferred technical solution, a side of the moisture-proof fiber away from the wear-resistant fiber is coated with a wear-resistant coating.

[0012] In summary, the utility model mainly has the following beneficial effects:

[0013] First, in the utility model, by pushing the side plate close to the first shielding plate, the side plate is bent through the first fold, and then the second shielding plate is pushed close to the first shielding plate, the second shielding plate is bent through the second fold, and the second shielding plate is provided with a U-shaped limiting groove that can contact with the hub axle core of the bicycle and be stuck on the hub axle core, so the hub axle core can be protected by the first shielding plate, the second shielding plate, and the side plate. Since it is made of corrugated paper, it will not cause significant friction damage to the hub axle core, and the use cost is also low. Compared with plastic materials, it is more environmentally friendly;

[0014] Second, in the utility model, by fixing multiple positioning blocks in the U-shaped limiting groove, the positioning blocks are of arc-shaped structure, through grooves are provided on the inner walls of the positioning blocks, and support blocks are fixed in the through grooves, so that the friction between the U-shaped limiting groove and the hub shaft core can be increased, and the installation position of the corrugated paper protective cover can be stabilized. Moreover, since it is also a corrugated paper structure, it will not cause damage to the shaft core. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the expanded structure of the utility model;

[0017] Figure 3 This utility model Figure 2 A schematic diagram of the enlarged structure at point A;

[0018] Figure 4 It is a schematic diagram of the layer structure of the utility model.

[0019] Figure numerals: 1. first shielding plate; 2. side plate; 3. second shielding plate; 4. limiting groove; 5. reinforcing plate; 6. positioning block; 7. through groove; 8. supporting block; 9. wear-resistant fiber; 10. moisture-proof fiber; 11. wear-resistant coating; 12. first crease; 13. second crease; 14. third crease. DETAILED DESCRIPTION

[0020] Example

[0021] refer to Figures 1 to 4 The environmentally friendly hub axle core protective cover made of corrugated paper described in this embodiment includes a first baffle plate 1, both sides of the first baffle plate 1 are fixedly connected with side panels 2, a first fold 12 is provided between the side panel 2 and the first baffle plate 1, a second baffle plate 3 is fixedly connected to the side of the side panel 2 away from the first fold 12, a second fold 13 is provided between the second baffle plate 3 and the side panel 2, a limiting groove 4 is provided on one side of the second baffle plate 3, and the limiting groove 4 is a U-shaped structure. The hub axle core can be protected by the first baffle plate 1, the second baffle plate 3, and the side panel 2. They are all made of corrugated paper, which will not cause significant friction damage to the hub axle core, and the use cost is also low. Compared with plastic materials, they are more environmentally friendly.

[0022] refer to Figure 2 A reinforcing plate 5 is fixedly connected to the side of the first shielding plate 1 away from the second shielding plate 3, and a third fold 14 is provided between the reinforcing plate 5 and the first shielding plate 1; by providing the reinforcing plate, the structural strength of the first shielding plate 1 can be improved to prevent the contact portion with the hub axle core from being broken by the axle core.

[0023] refer to Figure 2-3 , positioning blocks 6 are fixedly connected to both sides of the inner wall of the limiting groove 4, and the positioning blocks 6 are of an arc-shaped structure. A through groove 7 is opened inside the positioning block 6, and a support block 8 is fixedly connected to the inner wall of the through groove 7. There are three support blocks 8, and the three support blocks 8 are formed in a herringbone shape; by fixing a plurality of arc-shaped positioning blocks 6 on the inner wall of the limiting groove 4, the friction resistance can be increased, so that the U-shaped limiting groove 4 and the hub shaft core are more tightly connected to prevent the protective cover from falling off, and by opening a through groove 7 in the positioning block 6 and fixing the support block 8 in the through groove 7, the three support blocks 8 can provide a certain friction force to the support block 8 to prevent the U-shaped limiting groove 4 from sliding and falling off.

[0024] refer to Figure 4 The first baffle plate 1, the side plate 2, the second baffle plate 3, and the reinforcing plate 5 are all provided with wear-resistant fibers 9 on one side, the wear-resistant fibers 9 are provided with moisture-proof fibers 10 on one side, and the moisture-proof fibers 10 are coated with a wear-resistant coating 11 on the side away from the wear-resistant fibers 9; by arranging the wear-resistant fibers 9 and the moisture-proof fibers 10, the wear resistance and moisture resistance of the corrugated paper are improved, and the service life of the protective cover is improved, and by coating the wear-resistant coating 11 on the outside of the moisture-proof fibers 10, the wear resistance of the corrugated paper can be further improved.

[0025] Principle and advantages of use: push the side panel 2 to approach the first shielding plate 1, the side panel 2 is bent through the first fold 12, and then push the second shielding plate 3 to approach the first shielding plate 1, the second shielding plate 3 is bent through the second fold 13, and the second shielding plate 3 is provided with a U-shaped limiting groove 4 which can be stuck on the hub axle core of the bicycle, the positioning block 6 in the U-shaped limiting groove 4 increases friction to prevent the hub axle core from sliding, the supporting block 8 in the positioning block 6 can support the positioning block 6 to prevent deformation, the first shielding plate 1, the second shielding plate 3, the side panel 2, the reinforcing plate 5, etc. are all made of corrugated paper, which can protect the hub axle core and will not cause greater friction damage to the hub axle core. The use cost is also low, and it is more environmentally friendly than plastic materials. When disassembling, it is only necessary to move the second shielding plate 3 to separate the U-shaped limiting groove 4 from the hub axle core.

Claims

1. An environmentally friendly hub axle protective sleeve made of corrugated paper, comprising a first shielding plate (1), characterized in that: Both sides of the first shielding plate (1) are fixedly connected to side plates (2), a first fold (12) is provided between the side plate (2) and the first shielding plate (1), a second shielding plate (3) is fixedly connected to the side of the side plate (2) away from the first fold (12), a second fold (13) is provided between the second shielding plate (3) and the side plate (2), a limiting groove (4) is provided on one side of the second shielding plate (3), and the limiting groove (4) is a U-shaped structure.

2. The environmentally friendly hub axle protective sleeve made of corrugated paper according to claim 1, characterized in that: A reinforcing plate (5) is fixedly connected to a side of the first shielding plate (1) away from the second shielding plate (3), and a third fold (14) is provided between the reinforcing plate (5) and the first shielding plate (1).

3. The environmentally friendly hub shaft core protective sleeve made of corrugated paper according to claim 1, characterized in that: Positioning blocks (6) are fixedly connected to both sides of the inner wall of the limiting groove (4), and the positioning blocks (6) are of an arc-shaped structure.

4. The environmentally friendly hub shaft core protective sleeve made of corrugated paper according to claim 3, characterized in that: A through slot (7) is provided inside the positioning block (6), and a support block (8) is fixedly connected to the inner wall of the through slot (7). Three support blocks (8) are provided, and the three support blocks (8) are formed in a herringbone shape.

5. The environmentally friendly hub axle protective sleeve made of corrugated paper according to claim 1, characterized in that: One side of the first shielding plate (1), the side plate (2), the second shielding plate (3) and the reinforcing plate (5) is provided with wear-resistant fibers (9), and one side of the wear-resistant fibers (9) is provided with moisture-proof fibers (10).

6. The environmentally friendly hub axle protective sleeve made of corrugated paper according to claim 5, characterized in that: The side of the moisture-proof fiber (10) away from the wear-resistant fiber (9) is coated with a wear-resistant coating (11).

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