Bicycle frame with damping mechanism
By incorporating shock-absorbing sleeves and air ducts at the bottom of the bicycle frame triangle, the shock absorption problem caused by the rigid connection of the bicycle frame is solved, achieving smooth shock absorption and pedaling assistance, thus improving riding comfort and efficiency.
Patent Information
- Application Number
- CN202520309331.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-25
AI Technical Summary
The existing bicycle frame and seat connection is a rigid connection, which cannot effectively absorb shock and affects the riding experience.
A shock-absorbing sleeve is installed at the bottom of the bicycle frame's triangle, with a shock-absorbing plate and spring installed inside. Combined with the connection between the air duct and the air hole and the one-way bearing design, smooth shock absorption is achieved by limiting the air flow rate, and pedaling assistance is provided through the cooperation of the air duct and the central shaft.
It achieves smooth shock absorption in the bicycle frame, improving riding comfort, and provides pedaling assistance on bumpy roads, reducing repeated spring bounce and improving riding efficiency.
Smart Images

Figure CN223686738U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bicycle, more specifically, relate to a bicycle frame with damping mechanism. BACKGROUND
[0002] Bicycle, also known as pedal car or bicycle, is a small land vehicle driven by human power pedaling pedal. Bicycle frame is an important part of bicycle, it not only supports the various components of the bicycle, also affects the performance and riding experience of bicycle. Now the connecting part of bicycle frame and saddle is hard connection, can not very good shock attenuation. In view of this, we propose a bicycle frame with damping mechanism. SUMMARY
[0003] The utility model aims at overcoming the insufficient of prior art, adapting to the actual need, provide a kind of bicycle frame with damping mechanism, to solve the technical problem that current bicycle frame can not very good shock attenuation.
[0004] To solve the above technical problems, the utility model provides the following technical scheme: a kind of bicycle frame with damping mechanism, including frame main body, the frame main body is supported by frame front wheel, frame rear wheel support and tripod, the bottom of the tripod is provided with shaft sleeve, the top of the tripod is equipped with damping sleeve, the top of the damping sleeve is equipped with the connecting seat connected with external saddle, the inside of the damping sleeve is provided with damping mechanism, the bottom of the damping mechanism is equipped with the air guide piece that penetrates the tripod, the inside of the shaft sleeve is provided with the pedal assisting mechanism.
[0005] Preferably, the damping mechanism includes a damping plate, the damping plate is attached to the inside of the damping sleeve, and a plurality of springs are fixed between the bottom of the damping plate and the inner wall of the damping sleeve.
[0006] Preferably, the bottom of the damping sleeve is provided with a gas hole communicating with the inside of the tripod, at least one one-way bearing is installed on the gas hole and the damping plate, the one-way bearing on the gas hole can only exhaust to the inside of the tripod, and the one-way bearing on the damping plate can only intake to the inside of the damping sleeve.
[0007] Preferably, the air guide piece includes an air guide pipe penetrating into the inside of the shaft sleeve, the air guide pipe communicates with the gas hole, the bottom end of the air guide pipe is provided with a gas outlet head with a neck, and a fixing ring is fixed between the outer periphery of the air guide pipe and the inner wall of the tripod.
[0008] Preferably, the pedal assisting mechanism includes two circular plates, a plurality of exhaust ports are formed in the circular plates, the exhaust ports are also provided with one-way bearings, the circular plates are rotatably connected with the shaft sleeve, a center shaft is arranged at the center of the two circular plates, and a plurality of flow guide pieces are arranged in annular array on the outer periphery of the center shaft.
[0009] Preferably, the flow guide comprises a gas guide plate, the gas guide plate is an arc cone structure inclined to two sides, a tapered tip of the convex part of the gas guide plate is located at a gas outlet head position, and flat plates are connected to two ends of the gas guide plate.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] 1、The utility model discloses a shock-absorbing set and the shock-absorbing plate are limited to slide design, and then the spring elasticity force is matched, the gas hole is communicated with the air pipe, and the one-way bearing is matched, so that the damping effect is generated through the gas flow rate limitation in the compression process, the lifting speed of shock absorption is slowed down, the repeated spring bounce is avoided, the shock-absorbing process is more gentle, the gentle and comfortable shock absorption is realized, and the problem that the bicycle frame cannot be well shock-absorbed is solved.
[0012] 2、The utility model discloses a gas outlet of the air pipe bottom end is designed to narrow, can improve the pressure and impact force when discharging, then the round plate is sealed and is connected to rotate, and the exhaust port one-way exhaust is set, when being in the bumpy road section, the gas guide is frequently carried out, and the gas is constantly impacted to the gas guide plate, the auxiliary central shaft rotation is realized, since the central shaft is fixed with the pedal, so further can play the auxiliary force when riding, make the riding more labor-saving, and cooperate with the inclined arc cone design of the gas guide plate, further blow the rotation and can guide the gas to the exhaust port and discharge, avoid the situation that the internal gas pressure is too large. ACCURACY OF DRAWINGS
[0013] Fig. 1 It is a structural schematic diagram of the utility model;
[0014] Fig. 2 It is a sectional structure schematic diagram of the tripod in the utility model;
[0015] Fig. 3 It is a structural schematic diagram of the shock-absorbing mechanism and the air guide in the utility model;
[0016] Fig. 4 It is a structural schematic diagram of the auxiliary pedal mechanism in the utility model.
[0017] Mark number explanation in the drawing: 1, frame main body;101, frame front wheel support;102, frame rear wheel support;103, tripod;2, shaft sleeve;3, shock-absorbing set;4, connecting seat;5, shock-absorbing mechanism;6, air guide;7, auxiliary pedal mechanism;8, one-way bearing;
[0018] 501, shock-absorbing plate;502, spring;
[0019] 601, air pipe;602, gas outlet head;603, fixed ring;
[0020] 701, circular plate; 702, central shaft; 73, flow guide; 731, air guide plate; 732, flat plate. DETAILED DESCRIPTION
[0021] As Figs. 1 to 4 shown, the utility model relates to a bicycle frame with damping mechanism, including frame main body 1, frame main body 1 is by frame front wheel support 101, frame rear wheel support 102 and tripod 103 are composed, and the bottom of tripod 103 is provided with the shaft sleeve 2, and the top of tripod 103 is provided with the damping sleeve 3, and the top of damping sleeve 3 is provided with the connecting seat 4 connected with external saddle, to fix connecting seat 4, avoid rotating connecting seat 4, and a plurality of telescopic parts are provided between damping sleeve 3 and connecting seat 4, and telescopic part is composed of sleeve pipe and rod body that mutually mortise, and sleeve pipe and rod body are limit sliding, and damping sleeve 3 is provided with damping mechanism 5 inside, and damping mechanism 5 includes damping plate 501, and the outer periphery of damping plate 501 is attached with the inside of damping sleeve 3, and can increase rubber ring to improve sealing, and a plurality of springs 502 are fixed between the bottom of damping plate 501 and the inner wall of damping sleeve 3.
[0022] To make damping more gentle and comfortable, the bottom of damping sleeve 3 is provided with the air hole communicated with the inside of tripod 103, and at least one one-way bearing 8 is installed on air hole and damping plate 501, and the one-way bearing 8 on air hole can only emit gas to the inside of tripod 103, and the one-way bearing 8 on damping plate 501 can only import gas to the inside of damping sleeve 3, by the flow rate limitation of internal gas, when being in the situation of greater stress, the speed of falling and recovery is limited by flow rate, so that its damping process is more gentle, and the comfort is improved.
[0023] To realize the function of assisting stepping, the air guide piece 6 that penetrates tripod 103 is arranged at the bottom of damping mechanism 5, and the air guide pipe 601 that penetrates to the inside of shaft sleeve 2 is included in air guide piece 6, and air guide pipe 601 is communicated with air hole, and the fixed ring 603 is fixed between the outer periphery of air guide pipe 601 and the inner wall of tripod 103, and the air outlet head 602 of necking is arranged at the bottom end of air guide pipe 601, and the necking design of air outlet head 602 can improve the pressure and impact force when emitting gas, and the position of air outlet head 602 is provided with the stepping mechanism 7, and the stepping mechanism 7 includes two circular plates 701, and a plurality of air outlets are arranged on circular plate 701, and the one-way bearing 8 is also arranged on air outlet, and circular plate 701 is rotationally connected with shaft sleeve 2, and the central shaft 702 is arranged at the center of two circular plates 701, and a plurality of annular array distributed flow guides 73 are installed on the outer periphery of central shaft 702, and flow guide 73 includes air guide plate 731, and air guide plate 731 is the arc taper structure that is inclined to both sides, and the taper tip of the convex part of air guide plate 731 is located at the position of air outlet head 602, and the flat plate 732 is connected at both ends of air guide plate 731, and flat plate 732 is located at the position of air outlet.
[0024] When being in the bumpy road section, frequent vibration occurs when riding, and the air is frequently guided to impact the air guide plate 731, which can blow the central shaft 702 to rotate, since the central shaft 702 is fixed with the pedal, and the pedal is stepped during riding, combined with the impact of the air guide plate 731 during air outlet, the auxiliary force is played, so that the riding is more labor-saving, and the inclined surface of the air guide plate 731 is impacted by the gas, a flow guide design is formed, and the gas can be further guided to the flat plate 732 position, and then discharged through the exhaust port.
[0025] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.
Claims
1. A bicycle frame having a shock absorbing mechanism, characterized by, The utility model provides a kind of bicycle frame, including frame main body (1), the frame main body (1) is by frame front wheel support (101), frame rear wheel support (102) and tripod (103) are composed, the bottom of the tripod (103) is provided with shaft sleeve (2), the top of the tripod (103) is equipped with shock absorbing sleeve (3), the top of the shock absorbing sleeve (3) is equipped with the connecting seat (4) being connected with external saddle, the inside of the shock absorbing sleeve (3) is provided with shock absorbing mechanism (5), the bottom of the shock absorbing mechanism (5) is equipped with gas guide piece (6) passing through tripod (103), the inside of the shaft sleeve (2) is provided with pedal assisting mechanism (7).
2. The bicycle frame having a shock absorbing mechanism according to claim 1, wherein, The shock absorbing mechanism (5) includes a damping plate (501), the damping plate (501) is attached to the inside of the shock absorbing sleeve (3), and a plurality of springs (502) are fixed between the bottom of the damping plate (501) and the inner wall of the shock absorbing sleeve (3).
3. The bicycle frame with a shock absorbing mechanism according to claim 2, wherein, The bottom of the shock absorbing sleeve (3) is provided with a gas hole communicating with the inside of the tripod (103), and at least one one-way bearing (8) is installed on the gas hole and the damping plate (501). The one-way bearing (8) on the gas hole can only exhaust gas to the inside of the tripod (103), and the one-way bearing (8) on the damping plate (501) can only intake gas to the inside of the shock absorbing sleeve (3).
4. The bicycle frame having a shock absorbing mechanism according to claim 3, wherein The gas guide piece (6) includes a gas guide pipe (601) penetrating into the inside of the shaft sleeve (2), the gas guide pipe (601) communicates with the gas hole, the bottom end of the gas guide pipe (601) is provided with a gas outlet head (602) with a neck, and a fixing ring (603) is fixed between the outer periphery of the gas guide pipe (601) and the inner wall of the tripod (103).
5. The bicycle frame having a shock absorbing mechanism according to claim 4, wherein The pedal assisting mechanism (7) includes two circular plates (701), a plurality of exhaust ports are provided on the circular plates (701), and one-way bearings (8) are also provided on the exhaust ports. The circular plates (701) are rotatably connected to the shaft sleeve (2), a center shaft (702) is arranged at the center of the two circular plates (701), and a plurality of flow guide pieces (73) are arranged in an annular array on the outer periphery of the center shaft (702).
6. The bicycle frame having a shock absorbing mechanism according to claim 5, wherein, The flow guide piece (73) includes a gas guide plate (731), which is an arc-tapered structure inclined to both sides. The tapered tip of the protruding part of the gas guide plate (731) is located at the position of the gas outlet head (602), and flat plates (732) are connected to both ends of the gas guide plate (731).