Shock-proof frame of bicycle

By designing a combination structure of multiple shock absorbers and dampers on the bicycle suspension frame, the problem of poor shock absorption in existing bicycle front forks has been solved, achieving stronger shock absorption and flexible adjustment capabilities.

CN223494684UActive Publication Date: 2025-10-31JIULUN ELECTRIC TECH (WUXI) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423272055.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-10-31
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The existing bicycle front fork shock absorption system uses a double-bar support, which is not effective enough in terms of shock absorption and has insufficient shock absorption strength.

Method used

A bicycle suspension frame was designed. Multiple shock-absorbing rods are mounted on a U-shaped fixed seat. The number of dampers is increased by combining shock-absorbing rods, connecting sleeves, V-shaped links and dampers to enhance the shock absorption effect. The shock absorption intensity can be adjusted by adjusting the position of the dampers.

Benefits of technology

It achieves better shock absorption, and can enhance or weaken the shock absorption intensity when needed, thus improving the shock absorption performance of bicycles on bumpy roads.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223494684U_ABST
    Figure CN223494684U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of bicycle frames, and particularly relates to a bicycle shock-proof frame which comprises a U-shaped fixing seat. The damping device is characterized in that the top of the U-shaped fixing seat is sleeved with a plurality of damping rods; the multiple damping rods can slide in the U-shaped fixing base. The top of the damping rod is fixedly connected with a connecting sleeve; the middle part of the connecting sleeve is fixedly connected with a V-shaped connecting rod; the top of the U-shaped fixing seat is fixedly connected with a first fixing seat; the side wall of the V-shaped connecting rod is fixedly connected with a second fixed seat; the first fixing seat and the second fixing seat are oppositely arranged; a first damper is connected to the middle of the first fixing base and the middle of the second fixing base. A first fixing seat can be connected through the U-shaped fixing seat, a second fixing seat can be connected through the V-shaped connecting rod, a first damper can be connected through the first fixing seat and the second fixing seat, and by adding the first damper, a bicycle can be damped when passing through a bumpy road section, so that the bicycle has a better damping effect.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of bicycle frame technology, specifically a bicycle suspension frame. Background Technology

[0002] Bicycles are an environmentally friendly and healthy means of transportation, capable of meeting people's daily commutes, leisure and entertainment, sports and fitness, and outdoor activities. They have a wide range of uses. On bumpy and rugged roads, bicycle shock absorbers can protect the bicycle frame and prevent riders from injury.

[0003] Currently, bicycle shock absorbers use springs and dampers to reduce shock, and the lightweight bicycle frame also plays a role in shock absorption.

[0004] In the existing technology, bicycle front forks are equipped with shock absorption systems, which can effectively absorb impact forces. However, since the front fork adopts a double-bar support, the shock absorption effect is not obvious and the shock absorption strength is insufficient. Therefore, a bicycle suspension frame is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes a bicycle suspension frame.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A bicycle shock-absorbing frame according to this utility model includes a U-shaped fixed seat; characterized in that: a plurality of shock-absorbing rods are sleeved on the top of the U-shaped fixed seat; the plurality of shock-absorbing rods can slide in the U-shaped fixed seat; a connecting sleeve is fixedly connected to the top of the shock-absorbing rod; a V-shaped connecting rod is fixedly connected to the middle of the connecting sleeve; a first fixed seat is fixedly connected to the top of the U-shaped fixed seat; a second fixed seat is fixedly connected to the side wall of the V-shaped connecting rod; the first fixed seat and the second fixed seat are arranged opposite to each other; a first damper is connected to the middle of the first fixed seat and the second fixed seat.

[0007] Preferably, a connecting shaft is fixedly connected to the top of the first fixing seat; a handlebar connecting rod is sleeved in the middle of the connecting shaft; a first crossbar is fixedly connected to the side wall of the handlebar connecting rod; a second crossbar is fixedly connected to the side wall of the handlebar connecting rod; and a third fixing seat is fixedly connected to the bottom side wall of the second crossbar.

[0008] Preferably, a seat connecting rod is fixedly connected to the ends of the first crossbar and the second crossbar; a fourth fixing seat is fixedly connected to the side wall of the seat connecting rod; and a second damper is connected to the middle of the fourth fixing seat.

[0009] Preferably, the second damper end is connected to a double-ring connector; the double-ring connector end is connected to a rear fork fixing shaft.

[0010] Preferably, a rear fork arm is connected to the middle of the rear fork fixed shaft; and a rear fork crossbar is connected to the end of the rear fork arm.

[0011] Preferably, a first rubber block is fixedly connected to the end of the seat connecting rod; a second rubber block is fixedly connected to the bottom of the seat connecting rod.

[0012] Preferably, the top of the V-shaped connecting rod is provided with an oil inlet; an oil cap is connected to the end of the oil inlet.

[0013] The beneficial effects of this utility model are:

[0014] This utility model provides a bicycle suspension frame. Multiple shock-absorbing rods are fitted onto a U-shaped mounting base. These rods slide within the U-shaped base, allowing the bicycle to be pushed towards the U-shaped base during shock absorption. Connecting sleeves on the upper sections of the shock-absorbing rods support them. V-shaped connecting rods are fixed to the side walls of the multiple connecting sleeves, securing them in place. The U-shaped base connects to a first mounting base, and the V-shaped connecting rods connect to a second mounting base. A first damper is connected to both the first and second mounting bases. By adding a first damper, the bicycle can better absorb shocks when traversing uneven terrain, resulting in improved shock absorption.

[0015] This utility model provides a bicycle suspension frame. A connecting shaft connects to a V-shaped link, which supports the connecting shaft. The connecting shaft is sleeved on a handlebar connecting rod. During bicycle shock absorption, the connecting shaft can slide inside the handlebar connecting rod. The handlebar connecting rod connects to a first crossbar and a second crossbar. The connection of the first and second crossbars provides stability for the bicycle. The second crossbar fixes a third mounting bracket, which connects to a first damper. When shock absorption is not needed, the first damper connected to the first mounting bracket can be disconnected, and its bottom can be installed on the third mounting bracket. By adjusting the first damper, the shock absorption effect of the bicycle can be adjusted. When the first damper is connected to the third mounting bracket, the shock absorption effect is reduced. When shock absorption is needed, the first damper can be readjusted back to the first mounting bracket. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0017] In the attached diagram:

[0018] Figure 1 This is a perspective view of the present invention;

[0019] Figure 2 This is a perspective view of the connecting shaft in this utility model;

[0020] Figure 3 This is a perspective view of the vehicle seat connecting rod in this utility model;

[0021] Figure 4 This is a perspective view of the double-ring connector in this utility model;

[0022] Figure 5 This is a perspective view of the oil inlet in this utility model.

[0023] Legend:

[0024] 1. U-shaped mounting bracket; 11. Shock absorber bar; 12. Connecting sleeve; 13. V-shaped connecting rod; 14. First mounting bracket; 15. Second mounting bracket; 16. First damper; 2. Connecting shaft; 21. Handlebar connecting rod; 22. First crossbar; 23. Second crossbar; 24. Third mounting bracket; 3. Seat connecting rod; 31. Fourth mounting bracket; 32. Second damper; 4. Double ring connector; 41. Rear fork mounting shaft; 5. Rear fork arm; 51. Rear fork crossbar; 6. First rubber block; 61. Second rubber block; 7. Oil filler port; 71. Oil cap. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Specific implementation examples are given below.

[0027] like Figure 1As shown, this utility model provides a bicycle suspension frame, including a U-shaped fixed seat 1; characterized in that: a plurality of shock-absorbing rods 11 are sleeved on the top of the U-shaped fixed seat 1; the plurality of shock-absorbing rods 11 can slide in the U-shaped fixed seat 1; a connecting sleeve 12 is fixedly connected to the top of the shock-absorbing rod 11; a V-shaped connecting rod 13 is fixedly connected to the middle of the connecting sleeve 12; a first fixed seat 14 is fixedly connected to the top of the U-shaped fixed seat 1; a second fixed seat 15 is fixedly connected to the side wall of the V-shaped connecting rod 13; the first fixed seat 14 and the second fixed seat 15 are arranged opposite to each other; a first damper 16 is connected to the middle of the first fixed seat 14 and the second fixed seat 15; in operation, by sleeved with a plurality of shock-absorbing rods 11 on the U-shaped fixed seat 1... The shock absorber 11 slides within the U-shaped mounting base 1. When the bicycle is being shock-absorbing, it can be pushed towards the U-shaped mounting base 1. The upper section of the shock absorber 11 is connected to the sleeve 12, which supports the shock absorber 11. V-shaped connecting rods 13 are fixed to the side walls of multiple connecting sleeves 12, which can fix the connecting sleeves 12. The U-shaped mounting base 1 connects to the first mounting base 14, and the V-shaped connecting rods 13 connect to the second mounting base 15. The first mounting base 14 and the second mounting base 15 connect to the first damper 16. By adding a first damper 16, the bicycle can be shock-absorbing when passing over bumpy roads, resulting in better shock absorption.

[0028] like Figure 1 and Figure 2 As shown, a connecting shaft 2 is fixedly connected to the top of the V-shaped connecting rod 13; a handlebar connecting rod 21 is sleeved in the middle of the connecting shaft 2; a first crossbar 22 is fixedly connected to the side wall of the handlebar connecting rod 21; a second crossbar 23 is fixedly connected to the side wall of the handlebar connecting rod 21; a third fixing seat 24 is fixedly connected to the bottom side wall of the second crossbar 23. In operation, the V-shaped connecting rod 13 can be connected through the connecting shaft 2, and the connecting shaft 2 can be supported through the V-shaped connecting rod 13. The connecting shaft 2 is sleeved on the handlebar connecting rod 21. When the bicycle is shock-absorbing, the connecting shaft 2 can slide inside the handlebar connecting rod 21. The first crossbar 22 and the second crossbar can be connected through the handlebar connecting rod 21. 23. The first crossbar 22 and the second crossbar 23 are connected to stabilize the bicycle. The second crossbar 23 can fix the third mounting base 24. The third mounting base 24 can connect the first damper 16. When the shock absorption effect is not needed, the first damper 16 connected to the first mounting base 14 can be disconnected, and the bottom of the first damper 16 can be installed on the third mounting base 24. By adjusting the first damper 16, the shock absorption effect of the bicycle can be adjusted. When the first damper 16 is connected to the third mounting base 24, the shock absorption effect of the bicycle is weakened. When the bicycle needs the shock absorption effect, the first damper 16 can be readjusted back to the first mounting base 14.

[0029] like Figure 2and Figure 3 As shown, the first crossbar 22 and the second crossbar 23 are fixedly connected to the ends of the saddle connecting rod 3; the saddle connecting rod 3 is fixedly connected to the side wall of the fourth fixing seat 3; the fourth fixing seat 31 is connected to the middle of the fourth fixing seat 31; in operation, the saddle connecting rod 3 can be fixed by the first crossbar 22 and the second crossbar 23, the saddle connecting rod 3 can make the bicycle more stable, the saddle connecting rod 3 can be connected to the fourth fixing seat 31, the fourth fixing seat 31 can be connected to the second damper 32, and the second damper 32 can reduce the shock of the rear half of the bicycle.

[0030] like Figure 3 and Figure 4 As shown, the second damper 32 is connected to a double-ring connector 4 at one end; the double-ring connector 4 is connected to a rear fork fixing shaft 41 at one end; in operation, the second damper 32 can be connected to the double-ring connector 4, the double-ring connector 4 can be connected to the rear fork fixing shaft 41, and the second damper 32 can be connected to the bicycle rear fork through the double-ring connector 4 and the rear fork fixing shaft 41.

[0031] like Figure 3 As shown, the rear fork fixed shaft 41 is connected to the rear fork arm 5 in the middle; the rear fork arm 5 is connected to the rear fork crossbar 51 at its end; the end of the rear fork crossbar 51 is fixed to the side wall of the seat connecting rod 3; in operation, the rear fork fixed shaft 41 is connected to the rear fork arm 5, the rear fork crossbar 51 is connected to the rear fork arm 5, and the shock absorption at the rear of the bicycle can be adjusted through the rear fork arm 5, and the shock absorption effect can be adjusted at any time.

[0032] like Figure 3 As shown, a first rubber block 6 is fixedly connected to the end of the seat connecting rod 3; a second rubber block 61 is fixedly connected to the bottom of the seat connecting rod 3. In operation, the first rubber block 6 and the second rubber block 61 are connected through the seat connecting rod 3. The first rubber block 6 can support the bicycle seat, relieve the pressure on the bicycle seat, and play a shock absorption role, absorbing the impact force of the bicycle seat. The second rubber block 61 can relieve the pressure on the bicycle hinge caused by the downward pressure of the seat connecting rod 3.

[0033] like Figure 5 As shown, the top of the V-shaped connecting rod 13 is provided with an oil inlet 7; the end of the oil inlet 7 is connected to an oil cap 71; in operation, by opening the oil inlet 7 on the first fixed seat 14, the V-shaped connecting rod 13 can be lubricated with oil through the oil inlet 7, so that the V-shaped connecting rod 13 can slide better inside the shock absorber rod 11.

[0034] Working principle: Multiple shock absorber rods 11 are fitted onto a U-shaped fixed base 1. These rods slide within the U-shaped fixed base 1, allowing the bicycle to be pushed towards the U-shaped fixed base 1 during shock absorption. Connecting sleeves 12 support the shock absorber rods 11. V-shaped connecting rods 13 are fixed to the side walls of the multiple connecting sleeves 12, securing them. The U-shaped fixed base 1 connects to a first fixed base 14, and the V-shaped connecting rods 13 connect to a second fixed base 15. A first damper 16 is connected to both the first and second fixed bases 14 and 15. Adding a first damper 16 improves shock absorption when the bicycle encounters bumpy roads, resulting in better overall shock absorption. The connecting shaft 2 connects to the V-shaped connecting rod 13, which in turn supports the connecting shaft 2. The connecting shaft 2 is fitted onto the handlebar connecting rod 21. During bicycle shock absorption, the connecting shaft 2 can slide inside the handlebar connecting rod 21. The handlebar connecting rod 21 connects to the first crossbar 22 and the second crossbar 23. The connection of the first and second crossbars 22 and 23 provides stability for the bicycle. The second crossbar 23 secures the third mounting base 24, which in turn connects to the first damper 16. When shock absorption is not needed, the first damper 16 connected to the first mounting base 14 can be disconnected, and the bottom of the first damper 16 can be mounted on the third mounting base 24. The shock absorption effect of the bicycle can be adjusted by adjusting the first damper 16. The first damper 16 is connected to the third fixed seat 24, which reduces the shock absorption effect. When the bicycle needs more shock absorption, the first damper 16 can be readjusted back to the first fixed seat 14. The seat connecting rod 3 can be fixed via the first crossbar 22 and the second crossbar 23, which makes the bicycle more stable. The seat connecting rod 3 connects to the fourth fixed seat 31, which in turn connects to the second damper 32. The second damper 32 provides shock absorption for the rear half of the bicycle. The second damper 32 connects to the double-ring connector 4, which in turn connects to the rear fork fixed axle 41. Connector 4 and rear fork fixing shaft 41 connect the second damper 32 to the bicycle rear fork. The rear fork fixing shaft 41 is connected via the rear fork arm 5, which in turn connects to the rear fork crossbar 51. The rear fork arm 5 allows for adjustment of the rear shock absorption, enabling timely adjustment of the shock absorption effect. The saddle connecting rod 3 connects the first rubber block 6 and the second rubber block 61. The first rubber block 6 supports the bicycle saddle, relieving pressure and providing shock absorption. The second rubber block 61 alleviates the pressure on the bicycle hinge caused by the downward pressure of the saddle connecting rod 3. An oil inlet 7 is provided on the first fixing seat 14 for lubricating the V-shaped connecting rod 13.This allows the V-shaped connecting rod 13 to slide more effectively inside the shock absorber rod 11.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A bicycle suspension frame, comprising a U-shaped mounting base (1); characterized in that: The top of the U-shaped fixed seat (1) is fitted with a plurality of shock-absorbing rods (11); the plurality of shock-absorbing rods (11) can slide in the U-shaped fixed seat (1); the top of the shock-absorbing rods (11) is fixedly connected to a connecting sleeve (12); a V-shaped connecting rod (13) is fixedly connected to the middle of the connecting sleeve (12); the top of the U-shaped fixed seat (11) is fixedly connected to a first fixed seat (14); a second fixed seat (15) is fixedly connected to the side wall of the V-shaped connecting rod (13); the first fixed seat (14) and the second fixed seat (15) are arranged opposite to each other; a first damper (16) is connected to the middle of the first fixed seat (14) and the second fixed seat (15).

2. The bicycle suspension frame according to claim 1, characterized in that: The first fixed seat (14) is fixedly connected to the top of the connecting shaft (2); the connecting shaft (2) is sleeved with the handlebar connecting rod (21) in the middle; the handlebar connecting rod (21) is fixedly connected to the side wall of the first crossbar (22); the handlebar connecting rod (21) is fixedly connected to the side wall of the second crossbar (23); the bottom side wall of the second crossbar (23) is fixedly connected to the third fixed seat (24).

3. A bicycle suspension frame according to claim 2, characterized in that: The first crossbar (22) and the second crossbar (23) are fixedly connected to the end of the seat connecting rod (3); the side wall of the seat connecting rod (3) is fixedly connected to the fourth fixed seat (31); the middle of the fourth fixed seat (31) is connected to the second damper (32).

4. A bicycle suspension frame according to claim 3, characterized in that: The second damper (32) is connected to a double ring connector (4) at one end; the double ring connector (4) is connected to a rear fork fixing shaft (41) at one end.

5. A bicycle suspension frame according to claim 4, characterized in that: The rear fork fixed shaft (41) is connected to the middle of the rear fork arm (5); the rear fork arm (5) is connected to the end of the rear fork crossbar (51).

6. A bicycle suspension frame according to claim 3, characterized in that: The end of the seat connecting rod (3) is fixedly connected to a first rubber block (6); the bottom of the seat connecting rod (3) is fixedly connected to a second rubber block (61).

7. A bicycle suspension frame according to claim 1, characterized in that: The top of the V-shaped connecting rod (13) is provided with an oil inlet (7); the end of the oil inlet (7) is connected to an oil cap (71).