Novel carbon fiber bicycle frame

Abstract

The utility model relates to the technical field of bicycle frames, in particular to a novel carbon fiber bicycle frame, and aims to solve the technical problem that although the bicycle frame can be folded in the prior art, the overall strength of the bicycle frame is reduced when the bicycle frame is used due to the fact that a plug pin is matched with a hinge, and the novel carbon fiber bicycle frame comprises a pair of hinge rods. A front bicycle frame and a rear bicycle frame which are used for forming a bicycle frame are hinged to the outer wall of the hinge rod. By pushing the support, the support drives the connecting sleeve to slide on the rear frame, the connecting position of the front frame and the rear frame is covered with the support, the connecting position of the front frame and the rear frame is reinforced through the connecting sleeve, the support disperses stress on the connecting position of the front frame and the rear frame through the connecting sleeve, and therefore the stability of the vehicle in the using process is improved; the connecting sleeve is prevented from sliding accidentally by inserting the locking rod into the locking groove, and the stability of the joint of the front frame and the rear frame is improved again.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle frames, and more specifically to a novel carbon fiber bicycle frame. Background Art

[0002] Carbon fiber bicycle frames represent the advancement of modern bicycle material technology. With its lightness and high performance, it occupies an important position in the professional cycling field and high-end market. Despite the higher price, many cycling enthusiasts are still willing to choose carbon fiber frames for better riding experience and performance.

[0003] In order to facilitate the transportation and subsequent storage of bicycle racks, the bicycle racks are usually folded. In the prior art, the bicycle racks are mostly folded by hinges, and the hinges are fixed by latches during subsequent use. Although the bicycle racks can be folded, the use of latches in combination with hinges also reduces the overall strength of the bicycle racks during use. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art, meet the actual needs, and provide a new type of carbon fiber bicycle frame to solve the technical problem that although the bicycle frame can be folded in the prior art, the overall strength of the bicycle frame is reduced when in use by using a latch and a loose-leaf method.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: a novel carbon fiber bicycle frame, comprising a pair of hinge rods, the outer walls of the hinge rods are hinged with a front frame and a rear frame for forming a bicycle frame, the outer wall of the rear frame is slidably connected with a symmetrically arranged connecting sleeve, the opposite sides of the connecting sleeves are fixedly connected with a bracket, the inner surface of the rear frame is provided with a limiting groove, the inner end wall of the limiting groove is fixedly connected with a spring, the other end of the spring is fixedly connected with a locking column, the opposite sides of the connecting sleeves are provided with a locking groove for passing through the spring, and the end of the locking column away from the spring extends into the locking groove, the inner wall of the locking groove is slidably connected with a top column, the end of the top column close to the locking column abuts against its end, the outer wall of the bracket is provided with a symmetrically arranged adjusting groove, and the inner wall of the adjusting groove is slidably connected with a top block The end of the top block close to the top column can push the end thereof, and an arc-shaped elastic sheet is fixedly connected between the outer walls of the top block; by pushing the bracket, the bracket drives the connecting sleeve to slide on the rear frame, and the connection between the front frame and the rear frame is covered inside, and the connection between the front frame and the rear frame is reinforced by the connecting sleeve, and the bracket also disperses the force at the connection between the front frame and the rear frame through the connecting sleeve, thereby increasing the stability of the vehicle when in use, and inserting the locking rod into the locking groove to prevent the connecting sleeve from accidentally sliding, thereby increasing the stability of the connection between the front frame and the rear frame again. When the frame needs to be folded, only the bracket and the elastic sheet need to be pinched to make the locking rod withdraw from the locking groove, so that the bracket can be pulled to drive the connecting sleeve to move, and the connection between the front frame and the rear frame is no longer reinforced. The front frame and the rear frame are hinged on the hinge rod, so that the front frame and the rear frame can be folded.

[0006] Preferably, the inner wall of the connecting sleeve is provided with a sliding groove, the sliding groove covers the lock column, and the end of the lock column away from the spring abuts against the inner wall of the sliding groove under the elastic force of the spring; the lock column is blocked by the sliding groove, so that the lock column cannot slide out of the interior of the connecting sleeve, thereby preventing the lock column from popping out of the interior of the connecting sleeve under the elastic force of the spring, thereby affecting the movement of the connecting sleeve.

[0007] Preferably, a ball is embedded in one end of the lock column that abuts against the inner wall of the slide groove under the elastic force of the spring; the ball is provided to prevent the lock column and the inner wall of the slide groove from being worn and stuck.

[0008] Preferably, the bracket is an X-shaped structure; the X-shaped bracket can provide additional support for the connecting sleeve, can better disperse the load at the connection between the front bracket and the rear bracket, can better resist deformation and twisting, thereby improving the rigidity of the entire frame and enhancing the overall stability.

[0009] Preferably, the outer wall of the bracket is provided with symmetrically arranged receiving grooves that penetrate through the receiving grooves, and the two ends of the elastic sheet pass through the receiving grooves respectively and are fixedly connected to the outer wall of the top block; the receiving grooves are arranged so that the elastic sheet can be received in the bracket, making it easy to pinch the elastic sheet.

[0010] Preferably, a silicone sheet is fixedly connected to the middle outer wall of the elastic sheet; the silicone sheet prevents the user from being scratched by the elastic sheet when pinching the elastic sheet.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a hinge rod, a front frame, a rear frame, a connecting sleeve, a bracket, a limiting groove, a spring, a locking column, a locking groove, a top column, an adjusting groove, a top block and an elastic sheet, so that the bracket can be pushed to drive the connecting sleeve to slide on the rear frame, and the connection part of the front frame and the rear frame is covered therein, and the connection part of the front frame and the rear frame is reinforced by the connecting sleeve, and the bracket also disperses the force of the connection part of the front frame and the rear frame through the connecting sleeve, thereby increasing the stability of the vehicle when in use, and inserting the locking rod into the locking groove prevents the connecting sleeve from accidentally sliding, thereby increasing the stability of the connection part of the front frame and the rear frame again. When the frame needs to be folded, the locking rod only needs to be pinched to make the locking rod withdraw from the locking groove, so that the bracket can be pulled to drive the connecting sleeve to move, and the connection part of the front frame and the rear frame is no longer reinforced. The front frame and the rear frame are hinged on the hinge rod, so that the front frame and the rear frame can be folded.

[0013] 2. The X-shaped bracket in the utility model can provide additional support for the connecting sleeve, can better disperse the load for the connection between the front bracket and the rear bracket, can better resist deformation and twisting, thereby improving the rigidity of the entire frame and enhancing the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the connecting sleeve in the utility model;

[0016] Figure 3 for Figure 2 A local enlarged view of point A in FIG.

[0017] Figure 4 It is a structural schematic diagram of the bracket in the utility model.

[0018] Description of the numbers in the figure:

[0019] 1. Hinge rod; 2. Front frame; 3. Rear frame; 4. Connecting sleeve; 5. Bracket; 6. Limiting groove; 7. Spring; 8. Locking column; 9. Locking groove; 10. Top column; 11. Adjusting groove; 12. Top block; 13. Elastic sheet; 14. Slide groove; 15. Ball bearing; 16. Storage groove; 17. Silicone sheet. DETAILED DESCRIPTION

[0020] like Figures 1 to 4 As shown, the utility model relates to: a novel carbon fiber bicycle frame, comprising a pair of hinge rods 1, the outer wall of the hinge rod 1 is hinged with a front frame 2 and a rear frame 3 for forming a bicycle frame, the outer wall of the rear frame 3 is slidably connected with a symmetrically arranged connecting sleeve 4, the opposite side of the connecting sleeve 4 is fixedly connected with a bracket 5, the inner surface of the rear frame 3 is provided with a limiting groove 6, the inner end wall of the limiting groove 6 is fixedly connected with a spring 7, the other end of the spring 7 is fixedly connected with a locking column 8, the opposite side of the connecting sleeve 4 is provided with a locking groove 9 passing through it, and the end of the locking column 8 away from the spring 7 extends into the locking groove 9, the inner wall of the locking groove 9 is slidably connected with a top column 10, and the end of the top column 10 close to the locking column 8 abuts against the end thereof, the outer wall of the bracket 5 is provided with a symmetrically arranged adjusting groove 11, the inner wall of the adjusting groove 11 is slidably connected with a top block 12, and the end of the top block 12 close to the top column 10 can be adjusted When the vehicle body 2 is in a state of being folded, the locking rod 12 is inserted into the locking groove 9 to prevent the connecting sleeve 4 from accidentally sliding, thereby increasing the stability of the connection between the front frame 2 and the rear frame 3. When the vehicle body 2 is in a state of being folded, the locking rod 12 is inserted into the locking groove 9 to prevent the connecting sleeve 4 from accidentally sliding, thereby increasing the stability of the connection between the front frame 2 and the rear frame 3. When the vehicle body 2 is in a state of being folded, the locking rod 12 is inserted into the locking groove 9 to prevent the connecting sleeve 4 from accidentally sliding, thereby increasing the stability of the connection between the front frame 2 and the rear frame 3. When the vehicle body 2 is in a state of being folded, the locking rod 12 is inserted into the locking groove 9 to prevent the connecting sleeve 4 from accidentally sliding, thereby increasing the stability of the connection between the front frame 2 and the rear frame 3.

[0021] Furthermore, the inner wall of the connecting sleeve 4 is provided with a slide groove 14, and the slide groove 14 covers the lock column 8, and the end of the lock column 8 away from the spring 7 abuts against the inner wall of the slide groove 14 under the elastic force of the spring 7; the lock column 8 is blocked by the slide groove 14, so that the lock column 8 cannot slide out of the interior of the connecting sleeve 4, thereby preventing the lock column 8 from popping out of the interior of the connecting sleeve 4 under the elastic force of the spring 7, thereby affecting the movement of the connecting sleeve 4.

[0022] Furthermore, a ball 15 is embedded in one end of the lock column 8 that abuts against the inner wall of the slide groove 14 under the elastic force of the spring 7; the ball 15 is provided to prevent the lock column 8 from being worn and stuck with the inner wall of the slide groove 14.

[0023] Furthermore, the bracket 5 is an X-shaped structure; the X-shaped bracket 5 can provide additional support for the connecting sleeve 4, can better disperse the load at the connection between the front bracket 5 and the rear bracket 5, can better resist deformation and twisting, thereby improving the rigidity of the entire frame and enhancing the overall stability.

[0024] Furthermore, the outer wall of the bracket 5 is provided with a symmetrically arranged receiving groove 16 that penetrates through it, and the two ends of the elastic sheet 13 pass through the receiving groove 16 and are fixedly connected to the outer wall of the top block 12; through the setting of the receiving groove 16, the elastic sheet 13 can receive the groove 16 in the bracket 5, which is convenient for pinching the elastic sheet 13.

[0025] Furthermore, a silicone sheet 17 is fixedly connected to the outer wall of the middle portion of the elastic sheet 13 ; the silicone sheet 17 prevents the user from being scratched by the elastic sheet 13 when pinching the elastic sheet 13 .

[0026] Working principle: This embodiment provides a new type of carbon fiber bicycle frame. When in use, by pushing the bracket 5, the bracket 5 drives the connecting sleeve 4 to slide on the rear frame 3, and the connection between the front frame 2 and the rear frame 3 is covered inside. The connection between the front frame 2 and the rear frame 3 is reinforced by the connecting sleeve 4, and the bracket 5 also disperses the force at the connection between the front frame 2 and the rear frame 3 through the connecting sleeve 4, thereby increasing the stability of the vehicle when in use. During the sliding process of the connecting sleeve 4, the locking column 8 also slides in the sliding groove 14. When the locking column 8 overlaps with the locking groove 9, the locking column 8 will be inserted into the locking groove 9 under the elastic force of the spring 7, preventing the connecting sleeve 4 from sliding accidentally, and further increasing the stability of the connection between the front frame 2 and the rear frame 3.

[0027] When the frame needs to be folded, one only needs to pinch the bracket 5 and the elastic sheet 13, and the elastic sheet 13 will start to push the top block 12, so that the top block 12 moves to push the top column 10, so that the top column 10 moves to push the lock column 8 out of the lock groove 9. At this time, the bracket 5 can be pulled to drive the connecting sleeve 4 to move, and the connection between the front frame 2 and the rear frame 3 is no longer reinforced. The front frame 2 and the rear frame 3 are hinged on the hinge rod 1, so that the front frame 2 and the rear frame 3 can be folded.

[0028] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A new type of carbon fiber bicycle frame, characterized in that: The invention comprises a pair of hinge rods (1), the outer wall of the hinge rods (1) being hinged with a front frame (2) and a rear frame (3) for forming a bicycle frame, the outer wall of the rear frame (3) being slidably connected with a symmetrically arranged connecting sleeve (4), the opposite side of the connecting sleeve (4) being fixedly connected with a bracket (5), the inner surface of the rear frame (3) being provided with a limiting groove (6), the inner end wall of the limiting groove (6) being fixedly connected with a spring (7), the other end of the spring (7) being fixedly connected with a locking column (8), and the opposite side of the connecting sleeve (4) being provided with a locking groove for passing through the connecting sleeve (9), and the end of the lock column (8) away from the spring (7) extends into the lock groove (9), the inner wall of the lock groove (9) is slidably connected with a top column (10), and the end of the top column (10) close to the lock column (8) abuts against its end, the outer wall of the bracket (5) is provided with a symmetrically arranged adjustment groove (11), the inner wall of the adjustment groove (11) is slidably connected with a top block (12), the end of the top block (12) close to the top column (10) can push its end, and the outer walls of the top block (12) are fixedly connected with an arc-shaped elastic sheet (13).

2. A novel carbon fiber bicycle frame according to claim 1, characterized in that: The inner wall of the connecting sleeve (4) is provided with a slide groove (14), the slide groove (14) covers the lock column (8) therein, and the end of the lock column (8) away from the spring (7) abuts against the inner wall of the slide groove (14) under the elastic force of the spring (7).

3. A novel carbon fiber bicycle frame according to claim 2, characterized in that: A ball (15) is embedded in one end of the lock column (8) that abuts against the inner wall of the slide groove (14) under the elastic force of the spring (7).

4. A novel carbon fiber bicycle frame according to claim 1, characterized in that: The support (5) is an X-shaped structure.

5. The novel carbon fiber bicycle frame according to claim 1 is characterized in that: The outer wall of the bracket (5) is provided with a symmetrically arranged receiving groove (16) penetrating the receiving groove, and the two ends of the elastic sheet (13) respectively pass through the receiving groove (16) and are fixedly connected to the outer wall of the top block (12).

6. The novel carbon fiber bicycle frame according to claim 1, characterized in that: A silicone sheet (17) is fixedly connected to the outer wall of the middle portion of the elastic sheet (13).

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