Carbon fiber frame of bicycle
By introducing a height adjustment mechanism into the carbon fiber frame of the bicycle, the problem of complete replacement in case of damage is solved, and flexible seat height adjustment and cost reduction are achieved, thus improving practicality.
Patent Information
- Application Number
- CN202520691980.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-14
AI Technical Summary
Existing carbon fiber bicycle frames require complete replacement when damaged, increasing usage costs. Furthermore, their fixed height makes them difficult to adjust to user needs, reducing practicality.
A carbon fiber bicycle frame was designed, equipped with a height adjustment mechanism, including a mounting rod, seat post, pin hole, and knob. The seat height can be adjusted and damaged parts can be replaced through the cooperation of the pin rod and screw.
It enables flexible adjustment of seat height, reduces replacement costs, improves the practicality of the frame, and adapts to the needs of users of different heights.
Smart Images
Figure CN223878130U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a bicycle frame technical field, concretely is a bicycle carbon fiber frame. BACKGROUND
[0002] In recent years, the bicycle not only is a kind of traffic tool, but also as fitness, riding entertainment utensil plays increasingly important role in people's life, and traditional bicycle frame is generally steel pipe, aluminum alloy pipe material quality, and in recent years, with the progress of production process, the bicycle frame made of carbon fiber composite material gradually enters people's life with its light weight, structural strength and other advantages.
[0003] The carbon fiber bicycle frame in the prior art is usually integrally formed, although it has high strength, but when damaged, the whole needs to be replaced, increases the bicycle use cost, and the integral frame height is fixed, difficult to adjust according to the user demand, reduces the practicability of frame. UTILITY MODEL CONTENTS
[0004] In order to solve the above technical problems, the utility model provides the following technical scheme:
[0005] The utility model relates to a bicycle carbon fiber frame, including frame rod, the right side of frame rod is provided with height adjusting mechanism;
[0006] The height adjusting mechanism includes mounting rod, the top wall middle part of mounting rod is provided with movable slot, the movable slot inboard is slidably connected with seat pipe, the seat pipe middle lower part is provided with multiple groups of evenly distributed bolt hole, the seat pipe outer periphery middle lower part is fixedly connected with lifting plate, the lifting plate middle part right side is fixedly connected with knob, the knob bottom is fixedly connected with screw rod, the screw rod is screw connected in the inboard of screw hole, the screw hole is arranged in the middle part of fixed plate, and the fixed plate is fixedly connected on the right wall top of mounting rod.
[0007] As a preferred technical scheme of the utility model, the middle upper part of mounting rod is provided with through hole, and the through hole inboard is fixedly connected with bolt rod.
[0008] As a preferred technical scheme of the utility model, the front and rear sides of bolt rod are screw connected with fastening nut, and the through hole is same in size with bolt hole.
[0009] As a preferred technical scheme of the utility model, the bolt hole is matched with the gap of bolt rod, and the mounting rod is fixedly connected on the right side of the top wall of tooth disc.
[0010] As a preferred technical scheme of the utility model, the frame rod is fixedly connected to the left side wall top of the mounting rod, a connecting block is fixedly connected to the left end of the frame rod, and a reinforcing rod is fixedly connected between the connecting block and the mounting rod.
[0011] As a preferred technical scheme of the utility model, the connecting block bottom is fixedly connected with a front fork, open grooves are arranged on the front fork bottom, and the connecting block top is fixedly connected with a handle.
[0012] As a preferred technical scheme of the utility model, the mounting rod right side wall middle upper portion is fixedly connected with triangular rods at the front and rear ends, and the other ends of the triangular rods are fixedly connected to the right side wall of the tooth disc.
[0013] The utility model has the advantages of:
[0014] 1. The bicycle carbon fiber frame, when the right side seat tube of the frame is damaged, the front and rear side fastening nuts are rotated, then the bolt rod is pulled out from the inside of the through hole, the seat tube can slide up and down in the movable groove, then the knob is rotated, the seat tube is pulled out from the inside of the movable groove during the upward movement of the seat tube, the seat tube can be replaced, and the practical cost of the bicycle frame is reduced.
[0015] 2. The bicycle carbon fiber frame, when the bicycle is needed, the knob is rotated according to the need, the screw rod moves up and down in the threaded hole, and then drives the seat tube to move up and down in the movable groove, so that the height of the seat is adjusted, after the adjustment is completed, the bolt rod is inserted into the through hole and the bolt hole, and the seat tube is fixed, so that the frame can adapt to users of different heights, and the practicality of the frame is improved. DRAWINGS
[0016] The drawings are used to provide a further understanding of the utility model, constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:
[0017] Figure 1 It is a whole structure side view schematic diagram of the utility model bicycle carbon fiber frame;
[0018] Figure 2 It is a whole structure top view schematic diagram of the utility model bicycle carbon fiber frame;
[0019] Figure 3 It is a seat structure schematic diagram of the utility model bicycle carbon fiber frame;
[0020] Figure 4 It is a adjusting structure schematic diagram of the utility model bicycle carbon fiber frame.
[0021] In the diagram: 1. Frame post; 2. Height adjustment mechanism; 3. Connecting block; 4. Stem; 5. Mounting rod; 6. Fork; 7. Slotted groove; 8. Reinforcing bar; 9. Chainring; 10. Triangle bar; 11. Through hole; 12. Sliding groove; 13. Seatpost; 14. Pin hole; 15. Drop plate; 16. Knob; 17. Screw; 18. Fixing plate; 19. Threaded hole; 20. Pin rod; 21. Fastening nut. Detailed Implementation
[0022] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.
[0023] Example: Figures 1-4 As shown, the present invention relates to a carbon fiber bicycle frame, including a frame rod 1, and a height adjustment mechanism 2 is provided on the right side of the frame rod 1;
[0024] The height adjustment mechanism 2 includes a mounting rod 5, which connects and fixes the frame rod 1, the reinforcing rod 8, and the chainring 9. A movable groove 12 is provided in the middle of the top wall of the mounting rod 5. A seat post 13 is slidably connected to the inner side of the movable groove 12. A seat is mounted on the top of the seat post 13. The seat height is adjusted by adjusting the height of the seat post 13, making the rider more comfortable. Multiple evenly distributed pin holes 14 are provided in the lower middle part of the seat post 13. A lifting plate 15 is passed through and fixedly connected to the lower middle part of the outer periphery of the seat post 13. A knob 16 is passed through and rotatably connected to the right side of the middle part of the lifting plate 15. The lifting plate 15 can move the seat post 13 up and down during its vertical movement. A screw 17 is fixedly connected to the bottom of the knob 16. The screw 17 is threaded into the inner side of a threaded hole 19, which is located in the middle of a fixing plate 18. The fixing plate 18 is fixedly connected to the top of the right wall of the mounting rod 5. Rotating the knob 16 causes the screw 17 to rotate, thus moving the screw 17 up and down within the threaded hole 19.
[0025] The upper part of the mounting rod 5 is provided with a through hole 11. A pin rod 20 is slidably connected through the inner side of the through hole 11. Both the front and rear sides of the pin rod 20 are threaded with fastening nuts 21. The through hole 11 is the same size as the pin hole 14, so that the pin rod 20 can be inserted into the corresponding pin hole 14 and the through hole 11.
[0026] The pin holes 14 are all clearance-fitted with the pin rods 20. The mounting rod 5 is fixedly connected to the right side of the top wall of the chainring 9. The frame rod 1 is fixedly connected to the top of the left side wall of the mounting rod 5. A connecting block 3 is fixedly connected to the left end of the frame rod 1. A reinforcing rod 8 is fixedly connected to the lower side between the connecting block 3 and the mounting rod 5. The reinforcing rod 8 plays a role in strengthening the connection between the various components, thereby improving the overall strength of the frame.
[0027] The connecting block 3 is fixedly connected with a front fork 6 at the bottom, and the front fork 6 is provided with open grooves 7 at the front and rear sides of the bottom; the connecting block 3 is fixedly connected with a handle 4 at the top; triangular rods 10 are fixedly connected at the front and rear ends of the upper middle part of the right side wall of the mounting rod 5; the triangular rods 10 are fixedly connected at the front and rear parts of the right side wall of the tooth disc 9 at the other ends; the front fork 6 is used for mounting the front wheel at the bottom; and the triangular rods 10 are used for mounting the rear wheel between the bottoms.
[0028] Working principle: when the bicycle needs to be used, the knob 16 is rotated according to the need, the screw rod 17 moves up and down in the threaded hole 19, the seat tube 13 moves up and down in the movable groove 12, the height of the seat is adjusted, the plug rod 20 is inserted into the through hole 11 and the plug hole 14 after the adjustment is completed, the seat tube 13 is fixed, the bicycle frame can adapt to users with different heights, when the seat tube 13 on the right side of the bicycle frame is damaged, the front and rear fastening nuts 21 are rotated, then the plug rod 20 is pulled out from the inside of the through hole 11, the seat tube 13 can slide up and down in the movable groove 12, then the knob 16 is rotated, the seat tube 13 is pulled out from the inside of the movable groove 12 during the upward movement of the seat tube 13, and the seat tube 13 can be replaced.
[0029] Finally, it should be noted that in the description of the utility model, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0030] In the description of the utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A bicycle carbon fiber frame comprising a frame bar (1), characterized in that: The right side of the frame rod (1) is provided with a height adjusting mechanism (2); The height adjusting mechanism (2) comprises a mounting rod (5), a movable slot (12) is arranged in the middle of the top wall of the mounting rod (5), a seat pipe (13) is slidably connected to the inner side of the movable slot (12), a plurality of uniformly distributed pin holes (14) are arranged in the middle lower part of the seat pipe (13), a lifting plate (15) penetrates and is fixedly connected to the outer periphery of the middle lower part of the seat pipe (13), a knob (16) penetrates and is rotatably connected to the right side of the middle part of the lifting plate (15), a screw rod (17) is fixedly connected to the bottom of the knob (16), the screw rod (17) is threadedly connected to the inner side of a threaded hole (19), the threaded hole (19) is arranged in the middle part of a fixed plate (18), and the fixed plate (18) is fixedly connected to the top of the right wall of the mounting rod (5).
2. A carbon fiber bicycle frame according to claim 1, wherein, The middle upper part of the mounting rod (5) is provided with a through hole (11), and the through hole (11) penetrates and is slidably connected with a pin rod (20).
3. A carbon fiber bicycle frame according to claim 2, wherein, The front and rear sides of the pin rod (20) are both threadedly connected with a fastening nut (21), and the through hole (11) is the same size as the pin hole (14).
4. The carbon fiber bicycle frame of claim 1, wherein, The pin hole (14) is in clearance fit with the pin rod (20), and the mounting rod (5) is fixedly connected to the right side of the top wall of the tooth disc (9).
5. The carbon fiber bicycle frame of claim 1, wherein, The frame rod (1) is fixedly connected to the top of the left side wall of the mounting rod (5), the left end of the frame rod (1) is fixedly connected with a connecting block (3), and the lower side between the connecting block (3) and the mounting rod (5) is fixedly connected with a reinforcing rod (8).
6. A carbon fiber bicycle frame according to claim 5, wherein, The bottom of the connecting block (3) is fixedly connected with a front fork (6), the bottom of the front fork (6) is provided with an open slot (7) on the front and rear sides, and the top of the connecting block (3) is fixedly connected with a handlebar (4).
7. A carbon fiber bicycle frame according to claim 1, wherein, The middle upper part of the right side wall of the mounting rod (5) is fixedly connected with a triangular rod (10) at the front and rear ends, and the other end of the triangular rod (10) is fixedly connected to the right side wall of the tooth disc (9) at the front and rear parts, respectively.