Reinforced bicycle frame

Abstract

The utility model relates to the technical field of bicycle frames, in particular to a reinforced and reinforced bicycle frame which comprises a seat post, a rear beam is mounted on one side of the seat post, a head tube is connected to the other side of the seat post through two front beams, the head tube is connected with a handlebar through a bearing, arc-shaped reinforcing blocks are arranged on two sides of the head tube, and the arc-shaped reinforcing blocks are arranged on the two sides of the head tube. When the two ends of the two arc-shaped reinforcing blocks make contact with each other, a cylindrical cavity is formed between the two arc-shaped reinforcing blocks, the head pipe is located in the cavity, two arc-shaped protecting sleeves are installed on one side of each arc-shaped reinforcing block, and when the two ends of the two arc-shaped reinforcing blocks make contact with each other, the side faces of the corresponding arc-shaped protecting sleeves abut against each other. And the front beam is positioned between the corresponding arc-shaped protective sleeves. The structure of the head pipe can be reinforced through the arc-shaped reinforcing block, meanwhile, the connecting portion of the front beam and the head pipe can be reinforced through the arc-shaped protecting sleeve, the head pipe and the front beam are prevented from being damaged, and the using effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle frames, in particular to a reinforced bicycle frame. Background Art

[0002] As the skeleton of the entire bicycle, the bicycle frame determines and affects the correctness and comfort of the riding posture to the greatest extent. The frame components are the basic structure of the bicycle, and are also the skeleton and main body of the bicycle. Other components are also directly or indirectly installed on the frame.

[0003] During use, existing bicycle frames experience stress concentration at the connection between the head tube and the handlebars. Due to the weak structural strength of the head tube, this connection is easily damaged. Furthermore, the connection between the front beam and the head tube is also prone to stress concentration and fracture, resulting in poor performance. Furthermore, since the connection between the handlebars and the head tube is exposed to the outside environment, dust and rainwater easily penetrate into the connection, accelerating wear and corrosion at the connection, resulting in poor protection. Therefore, we propose a reinforced bicycle frame. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned shortcomings in the prior art and to propose a reinforced bicycle frame.

[0005] In order to achieve the above object, the utility model adopts the following technical solution: a reinforced bicycle frame is designed, comprising a seat tube, a rear beam is installed on one side of the seat tube, a head tube is connected to the other side of the seat tube through two front beams, and the head tube is connected to the handlebars through a bearing;

[0006] Arc-shaped reinforcement blocks are provided on both sides of the head pipe. When the two ends of the arc-shaped reinforcement blocks are in contact, a cylindrical cavity is formed between the two arc-shaped reinforcement blocks, and the head pipe is located in the cavity;

[0007] Two arc-shaped protective sleeves are installed on one side of each arc-shaped reinforcement block, and when the two ends of the two arc-shaped reinforcement blocks are in contact, the corresponding arc-shaped protective sleeves are butted against each other, and the front beam is located between the corresponding arc-shaped protective sleeves;

[0008] Each arc-shaped reinforcement block and each arc-shaped protective sleeve is provided with a skirt at its edge, and two adjacent skirts are fastened together by bolts;

[0009] Flexible protective sleeves are provided at the upper and lower ends of the head tube, and the end of each flexible protective sleeve away from the head tube is connected to the handlebar through the first edge. Second edges are installed on the upper and lower side surfaces of the head tube, and a receiving groove is provided on the side of the two second edges away from each other. A third edge is installed on the side of the end of the flexible protective sleeve close to the head tube, and the third edge is located in the receiving groove. A fixing ring is provided on the side of each flexible protective sleeve, and each fixing ring is superimposed on the corresponding second edge. A receiving cavity is formed between the side of the fixing ring and the receiving groove, and the third edge is located in the receiving cavity.

[0010] Preferably, two support rods are installed on the side of the seat tube, and the other end of each support rod is fixed to the corresponding side of the front beam.

[0011] Preferably, a reinforcement rib is installed on the side surface of each rear beam.

[0012] Preferably, a plurality of reinforcing ribs are installed on the side surfaces of each arc-shaped reinforcing block.

[0013] Preferably, the outer surface of the third surrounding edge is clearance-matched with the inner surface of the accommodating groove and the side surface of the fixing ring.

[0014] Preferably, the flexible protective sleeve is made of rubber material, and the outer surface of the flexible protective sleeve is further provided with a tensile fiber layer.

[0015] Preferably, the seat tube, front beam, rear beam and head tube are all made of aluminum alloy.

[0016] The design scheme proposed by the utility model has the following beneficial effects during application:

[0017] The arc-shaped reinforcement block can strengthen the structure of the head pipe itself, and the arc-shaped protective cover can also strengthen the connection between the front beam and the head pipe, thereby avoiding damage to the head pipe and the front beam and improving the use effect.

[0018] The flexible protective cover can cover the connection between the handlebar and the head pipe to prevent external dust and rainwater from penetrating into the connection between the handlebar and the head pipe during use, thereby avoiding accelerated wear and corrosion of the connection between the head pipe and the handlebar, thereby improving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the arc-shaped reinforcement block of the utility model;

[0021] Figure 3 This is a side view of the connection structure between the frame and the handlebar of the present invention;

[0022] Figure 4 This is a schematic structural diagram of the flexible protective cover of the present utility model.

[0023] In the figure: 1. seat tube; 2. front beam; 3. support rod; 4. rear beam; 5. first sidewall; 6. flexible protective cover; 7. fixing ring; 8. receiving groove; 9. second sidewall; 10. head tube; 11. skirt; 12. third sidewall; 13. tensile fiber layer; 14. arc-shaped reinforcement block; 15. reinforcement rib; 16. arc-shaped protective cover; 17. reinforcement rib. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Reference Figure 1-Figure 4 A reinforced bicycle frame includes a seat tube 1, a rear beam 4 is installed on one side of the seat tube 1, and a head tube 10 is connected to the other side of the seat tube 1 through two front beams 2. The head tube 10 is connected to the handlebars through a bearing.

[0026] If explanation is required, Figure 1 As shown, two support rods 3 are installed on the side of the seat tube 1, and the other end of each support rod 3 is fixed on the corresponding side of the front beam 2. The front beam 2 can be supported by the support rods 3, making the structure of the front beam 2 more stable.

[0027] like Figure 1 and Figure 2 As shown, arc-shaped reinforcement blocks 14 are provided on both sides of the head pipe 10. When the two ends of the arc-shaped reinforcement blocks 14 are in contact, a cylindrical cavity is formed between the two arc-shaped reinforcement blocks 14, and the head pipe 10 is located in the cavity. In actual use, the two arc-shaped reinforcement blocks 14 can wrap the head pipe 10, thereby supporting the head pipe 10 and increasing the strength of the head pipe 10.

[0028] like Figure 1 and Figure 2 As shown, two arc-shaped protective sleeves 16 are installed on one side of each arc-shaped reinforcement block 14, and when the two ends of the two arc-shaped reinforcement blocks 14 are in contact, the corresponding arc-shaped protective sleeves 16 side surfaces are abutted against each other, and the front beam 2 is located between the corresponding arc-shaped protective sleeves 16. In this way, the arc-shaped protective sleeves 16 will cover the connection between the front beam 2 and the head pipe 10 and strengthen the connection. In this way, when the frame is subjected to bumps and vibrations during use, the connection between the front beam 2 and the head pipe 10 will not break.

[0029] like Figure 2As shown, a skirt 11 is installed on the edge of each arc-shaped reinforcement block 14 and each arc-shaped protective cover 16. Two adjacent skirts 11 are fastened by bolts. The bolts can fix the two arc-shaped reinforcement blocks 14 and the corresponding arc-shaped protective covers 16 together, and then fix them to the head pipe 10 and the front beam 2, and fix them firmly.

[0030] like Figure 1 and Figure 4 As shown, flexible protective covers 6 are provided at the upper and lower ends of the head pipe 10. The end of each flexible protective cover 6 away from the head pipe 10 is connected to the handlebar via a first surrounding edge 5. The flexible protective cover 6 can shield the connection between the handlebar and the head pipe 10, so that external dust and rainwater will not penetrate into the connection between the handlebar and the head pipe 10, thereby improving the protection effect.

[0031] It should be noted that the flexible protective cover 6 is made of rubber material, and the outer surface of the flexible protective cover 6 is also provided with a tensile fiber layer 13, so that the flexible protective cover 6 can be deformed as the handlebars are rotated, and under the action of the tensile fiber layer 13, the flexible protective cover 6 can be prevented from being damaged by scratches from foreign objects.

[0032] like Figure 1 and Figure 3 As shown, second edges 9 are installed on the upper and lower end sides of the head tube 10, and a receiving groove 8 is provided on the side where the two second edges 9 are away from each other. A third edge 12 is installed on the side of the end of the flexible protective sleeve 6 close to the head tube 10, and the third edge 12 is located in the receiving groove 8. A fixing ring 7 is provided on the side of each flexible protective sleeve 6, and each fixing ring 7 is superimposed on the corresponding second edge 9, and an receiving cavity is formed between the side of the fixing ring 7 and the receiving groove 8, and the third edge 12 is located in the receiving cavity. During actual use, when the handlebar is rotating, the flexible protective sleeve 6 will rotate with the handlebar, but when the flexible protective sleeve 6 rotates to the limit, the flexible protective sleeve 6 will transfer the torque to the third edge 12, and the third edge 12 will rotate with the flexible protective sleeve 6 in the receiving groove 8, so that the flexible protective sleeve 6 will not hinder the rotation of the handlebar.

[0033] It should be noted that the outer surface of the third surrounding edge 12 is in clearance with the inner surface of the receiving groove 8 and the side of the fixing ring 7 , so that the third surrounding edge 12 can rotate in the receiving groove 8 without causing any obstruction to the flexible protective cover 6 .

[0034] Specifically, when the present invention is in use, the staff will put the two arc-shaped reinforcement blocks 14 on the side surfaces of the head tube 10, so that the arc-shaped protective sleeve 16 is put on the corresponding front beam 2, and then fix the arc-shaped reinforcement blocks 14 and the arc-shaped protective sleeve 16 together by bolts, which can increase the structural strength of the head tube 10, and can also strengthen the connection between the front beam 2 and the head tube 10, to avoid damage to the head tube 10 itself and the connection between the head tube 10 and the front beam 2. The front beam 2 can be supported by the support rod 3 to strengthen the structural strength of the front beam 2 and avoid damage to the frame during use. After that, the third surrounding edge 12 on the flexible protective sleeve 6 is placed in the accommodating groove 8, and then the fixing ring 7 is fixed to the second surrounding edge 9 to limit the third surrounding edge 12. After that, the handlebar is fixed to the head tube 10 through the bearing, as shown in FIG. Figure 3 As shown, the first edge 5 is then fixed to the handlebar, so that the flexible protective cover 6 can cover the connection between the handlebar and the head pipe 10, preventing external dust and rainwater from penetrating into the connection between the head pipe 10 and the handlebar, thereby improving the protection effect.

[0035] Furthermore, Figure 1 As shown, a reinforcing rib 17 is installed on the side of each rear beam 4. The reinforcing rib 17 can increase the structural strength of the rear beam 4 and prevent the rear beam 4 from being deformed and broken when subjected to impact force.

[0036] Furthermore, Figure 2 As shown, a plurality of reinforcing ribs 15 are installed on the side of each arc-shaped reinforcing block 14. The reinforcing ribs 15 can increase the structural strength of the arc-shaped reinforcing block 14 and improve the use effect.

[0037] Furthermore, the seat tube 1, front beam 2, rear beam 4 and head tube 10 are all made of aluminum alloy, or high-strength materials such as carbon fiber, so that the frame itself has a certain strength and is not easily damaged during use.

[0038] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A reinforced bicycle frame, comprising a seat tube (1), characterized in that: A rear beam (4) is installed on one side of the seat tube (1), and a head tube (10) is connected to the other side of the seat tube (1) via two front beams (2), and the head tube (10) is connected to the handlebars via a bearing; Arc-shaped reinforcement blocks (14) are provided on both sides of the head pipe (10); when the two ends of the two arc-shaped reinforcement blocks (14) are in contact, a cylindrical cavity is formed between the two arc-shaped reinforcement blocks (14), and the head pipe (10) is located in the cavity; Two arc-shaped protective sleeves (16) are installed on one side of each arc-shaped reinforcement block (14), and when the two ends of the two arc-shaped reinforcement blocks (14) are in contact, the corresponding arc-shaped protective sleeves (16) are abutted against each other, and the front beam (2) is located between the corresponding arc-shaped protective sleeves (16); Each arc-shaped reinforcement block (14) and each arc-shaped protective sleeve (16) is provided with a skirt (11) on its edge, and two adjacent skirts (11) are fastened together by bolts; Flexible protective sleeves (6) are provided at both upper and lower ends of the head tube (10), and the end of each flexible protective sleeve (6) away from the head tube (10) is connected to the handlebar through the first edge (5). Second edges (9) are installed on the upper and lower side surfaces of the head tube (10), and a receiving groove (8) is provided on the side of the two second edges (9) away from each other. A third edge (12) is installed on the side of the end of the flexible protective sleeve (6) close to the head tube (10), and the third edge (12) is located in the receiving groove (8). A fixing ring (7) is sleeved on the side of each flexible protective sleeve (6), and each fixing ring (7) is superimposed on the corresponding second edge (9). A receiving cavity is formed between the side of the fixing ring (7) and the receiving groove (8), and the third edge (12) is located in the receiving cavity.

2. The reinforced bicycle frame according to claim 1, characterized in that: Two support rods (3) are installed on the side of the seat tube (1), and the other end of each support rod (3) is fixed on the side of the corresponding front beam (2).

3. The reinforced bicycle frame according to claim 1, characterized in that: Each rear beam (4) is provided with a reinforcing rib (17) on its side.

4. The reinforced bicycle frame according to claim 1, characterized in that: A plurality of reinforcing ribs (15) are installed on the side surfaces of each arc-shaped reinforcing block (14).

5. The reinforced bicycle frame according to claim 1, characterized in that: The outer surface of the third surrounding edge (12) is clearance-matched with the inner surface of the accommodating groove (8) and the side surface of the fixing ring (7).

6. The reinforced bicycle frame according to claim 1, characterized in that: The flexible protective sleeve (6) is made of a rubber material, and the outer surface of the flexible protective sleeve (6) is also provided with a tensile fiber layer (13).

7. The reinforced bicycle frame according to claim 1, characterized in that: The seat tube (1), the front beam (2), the rear beam (4) and the head tube (10) are all made of aluminum alloy material.

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