Damping mechanism for bicycle frame

Abstract

The utility model relates to the technical field of bicycle frames, and discloses a damping mechanism for a bicycle frame, which comprises a main frame, a saddle and a handlebar, a mounting block is fixedly connected to the middle of the lower end of the saddle, a second connecting rod is fixedly connected to the middle of the lower end of the mounting block, and a first connecting rod is arranged at the lower end of the second connecting rod. The outer wall of the lower end of the first connecting rod is slidably connected with the inner wall of the middle of the upper end of the main frame, the outer wall of the lower end of the second connecting rod is slidably connected with the inner wall of the upper end of the first connecting rod, and the outer wall of the second connecting rod is sleeved with a first reset spring. According to the bicycle, the connecting rods and the reset springs are arranged between the main bicycle frame and the saddle and between the main bicycle frame and the handlebar, vibration is effectively absorbed, the comprehensive riding comfort and stability are improved, the stability of the handlebar and the saddle is enhanced, hand vibration is reduced, additional damping is provided for the front wheel, and stable riding on a complex road surface is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle frame technical field especially relates to a shock absorbing mechanism for bicycle frame. BACKGROUND

[0002] The shock absorbing mechanism of the bicycle frame, including the relevant components of the saddle and the wheel, is a system for improving riding comfort and protecting bicycle parts, the shock absorber under the saddle can absorb the vibration from the ground, reduce the impact on the rider's hips and back, and the shock absorbing mechanism of the wheel, usually located in the front fork or the rear fork, can alleviate the bump caused by the uneven road surface, maintain good contact between the wheel and the ground, thereby improving the stability of riding and the grip of the wheel.

[0003] The traditional shock absorbing mechanism usually mainly aims at the vibration of the wheel, and the shock absorbing effect on the vibration of the saddle, handlebar and other parts that may be encountered during riding is limited, the saddle is the main support point of the rider, if the vibration of the saddle part cannot be effectively absorbed, the rider will feel greater impact when encountering bumps, thereby reducing the comfort of riding, and the vibration of the handlebar will be transmitted to the rider through the hands, if the shock absorbing effect is limited, long-time riding may cause hand fatigue and discomfort.

[0004] Therefore, the skilled in the art provides a shock absorbing mechanism for bicycle frame to solve the problems raised in the background. UTILITY MODEL CONTENT

[0005] The utility model content aims at solving the shortcomings in the prior art, and provides a shock absorbing mechanism for bicycle frame, which effectively absorbs vibration, improves overall riding comfort and stability, enhances the stability of the handlebar and the saddle, reduces hand vibration, and provides additional shock absorbing for the front wheel, ensuring smooth riding on complex road surfaces.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] Damping mechanism for bicycle frame, including main frame, saddle and handlebar, the middle part of the lower end of the saddle is fixedly connected with the mounting block, the middle part of the lower end of the mounting block is fixedly connected with the second connecting rod, the lower end of the second connecting rod is provided with the first connecting rod, the outer wall of the lower end of the first connecting rod is slidably connected with the inner wall of the middle part of the upper end of the main frame, the outer wall of the lower end of the second connecting rod is slidably connected with the inner wall of the upper end of the first connecting rod, the outer wall of the second connecting rod is provided with the first reset spring, the middle part of the rear end of the outer wall of the upper end of the first connecting rod is hingedly connected with the first telescopic rod through the damping piece, the upper end of the first telescopic rod is hingedly connected with the middle part of the rear end of the lower surface of the mounting block through the damping piece, the outer wall of the first telescopic rod is provided with the second reset spring, the middle part of the front end of the outer wall of the upper end of the first connecting rod is hingedly connected with the second telescopic rod through the damping piece, the upper end of the second telescopic rod is hingedly connected with the middle part of the front end of the lower surface of the mounting block through the damping piece, and the outer wall of the second telescopic rod is provided with the third reset spring;

[0008] Through the above technical scheme, by setting the first connecting rod, the second connecting rod, the first telescopic rod, the second telescopic rod and the plurality of reset springs between the main frame and the saddle, the structure can effectively absorb the vibration from the ground, provide comprehensive riding comfort, and the use of the first reset spring, the second reset spring and the third reset spring makes the connection between the connecting rod and the frame elastic and can buffer the impact force in the riding process.

[0009] Further, the rear end of the handlebar is connected with the third connecting rod, the outer wall of the lower end of the third connecting rod is slidably connected with the inner wall of the upper part of the front end of the main frame, the outer wall of the upper end of the third connecting rod is provided with the fourth reset spring, the lower part of the front end of the main frame is fixedly connected with the connecting block, the lower end of the connecting block is fixedly connected with the fourth connecting rod on both sides, the lower end of the fourth connecting rod is provided with the front wheel frame, the outer wall of the lower end of the fourth connecting rod is slidably connected with the inner wall of the upper end of the front wheel frame on both sides, and the outer wall of the upper end of the fourth connecting rod is provided with the fifth reset spring.

[0010] Through the above technical scheme, by increasing the third connecting rod and the fourth reset spring between the handlebar and the main frame, the stability of the handlebar is further improved, the vibration of the hands is reduced, the riding control is improved, and in addition, the design of the fourth connecting rod and the fifth reset spring provides additional damping support for the front wheel, so that the bicycle rides more smoothly on complex road surfaces, and the grip and safety of the front wheel are improved.

[0011] Further, the upper end of the middle part of the outer wall of the main frame is provided with a first threaded hole, the outer wall of the first connecting rod is provided with a plurality of second threaded holes, and the first threaded hole and the second threaded hole are fixed by cooperating with the fixing bolt and the fixing nut.

[0012] Through the technical scheme, the height of the saddle can be adjusted according to the height and comfort of the user.

[0013] Further, the lower end of the first reset spring is fixedly connected with the upper surface of the first connecting rod, and the upper end of the first reset spring is fixedly connected with the middle part of the lower surface of the mounting block.

[0014] Through the technical scheme, when the bicycle travels on a bumpy road, the first reset spring can absorb the vibration conducted to the frame by the wheel, buffer the vibration through the extension and contraction of the spring, and reduce the impact directly transmitted to the body of the rider.

[0015] Further, the upper end of the second reset spring is fixedly connected with the rear end of the lower surface of the mounting block, and the lower end of the second reset spring is fixedly connected with the rear end of the outer wall of the upper end of the first connecting rod.

[0016] Through the technical scheme, the stability of the saddle can be maintained, the movement of the saddle in the vertical direction can be reduced, and the comfort and control of the rider can be improved.

[0017] Further, the upper end of the third reset spring is fixedly connected with the front end of the lower surface of the mounting block, and the lower end of the third reset spring is fixedly connected with the front end of the outer wall of the upper end of the first connecting rod.

[0018] Through the technical scheme, the third reset spring helps the saddle to maintain balance in the horizontal direction, reduces the movement of the saddle forward and backward, and improves the stability and comfort of the rider.

[0019] Further, the upper end of the fourth reset spring is fixedly connected with the lower surface of the rear end of the handlebar, and the lower end of the fourth reset spring is fixedly connected with the upper surface of the front end of the main frame.

[0020] Through the technical scheme, the fourth reset spring absorbs and reduces the vibration transmitted to the handlebar from the ground during riding, reduces the vibration of the hands and upper body of the rider, and improves the comfort.

[0021] Further, the upper end of the fifth reset spring is fixedly connected with the lower surface of the connecting block, and the lower end of the fifth reset spring is fixedly connected with the upper surface of the front wheel frame.

[0022] Through the technical scheme, the fifth reset spring provides damping effect for the front wheel, absorbs the vibration generated by the bumps and impacts encountered by the front wheel during riding, and reduces the vibration transmitted to the frame and the rider.

[0023] The utility model has the following beneficial effects:

[0024] 1. The damping mechanism for the bicycle frame, the first connecting rod, the second connecting rod, the first telescopic rod, the second telescopic rod and the plurality of reset springs arranged between the main frame and the seat, the structure can effectively absorb the vibration from the ground, provide comprehensive riding comfort, the use of the first reset spring, the second reset spring and the third reset spring makes the connection between the connecting rod and the frame elastic, and can buffer the impact force in the riding process.

[0025] 2. The damping mechanism for the bicycle frame, the third connecting rod and the fourth reset spring are added between the handlebar and the main frame, the structure further improves the stability of the handlebar, reduces the vibration of the hands, improves the riding control, in addition, the design of the fourth connecting rod and the fifth reset spring provides additional damping support for the front wheel, so that the bicycle rides more smoothly on complex road surface, improves the adhesion and safety of the front wheel. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The damping mechanism for the bicycle frame of the utility model is an axonometric view;

[0027] Figure 2 The damping mechanism for the bicycle frame of the utility model is a partial structure axonometric view;

[0028] Figure 3 The damping mechanism for the bicycle frame of the utility model is a partial structure explosion view;

[0029] Figure 4 The damping mechanism for the bicycle frame of the utility model is a partial structure explosion view;

[0030] Figure 5 The damping mechanism for the bicycle frame of the utility model is a partial structure explosion view.

[0031] LEGEND:

[0032] 1, main frame; 101, first threaded hole; 2, first connecting rod; 201, second threaded hole; 3, seat; 301, mounting block; 4, second connecting rod; 401, first reset spring; 5, first telescopic rod; 501, second reset spring; 6, second telescopic rod; 601, third reset spring; 7, handlebar; 8, third connecting rod; 801, fourth reset spring; 9, connecting block; 10, fourth connecting rod; 1001, fifth reset spring; 11, front wheel frame. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: shock attenuation mechanism for bicycle frame, including main frame 1, saddle 3 and handle 7, the middle part of the lower end of saddle 3 is fixedly connected with mounting block 301, the middle part of the lower end of mounting block 301 is fixedly connected with second connecting rod 4, the lower end of second connecting rod 4 is provided with first connecting rod 2, the outer wall of first connecting rod 2 lower end all is connected with the inner wall of main frame 1 upper end middle part slidingly, the outer wall of second connecting rod 4 lower end is connected with the inner wall of first connecting rod 2 upper end slidingly, the outer wall of second connecting rod 4 is equipped with first reset spring 401, the middle part of the rear end of first connecting rod 2 upper end outer wall is hingedly connected with first telescopic rod 5 through damping part, the upper end of first telescopic rod 5 is hingedly connected with the middle part of the rear end of mounting block 301 lower surface through damping part, the outer wall of first telescopic rod 5 is equipped with second reset spring 501, the middle part of the front end of first connecting rod 2 upper end outer wall is hingedly connected with second telescopic rod 6 through damping part, the upper end of second telescopic rod 6 is hingedly connected with the middle part of the front end of mounting block 301 lower surface through damping part, the outer wall of second telescopic rod 6 is equipped with third reset spring 601, through the first connecting rod 2, second connecting rod 4, first telescopic rod 5, second telescopic rod 6 and multiple reset springs arranged between main frame 1 and saddle 3, this structure can effectively absorb the vibration from the ground, provides comprehensive riding comfort, the use of first reset spring 401, second reset spring 501 and third reset spring 601 makes the connection between connecting rod and frame have elasticity, can buffer the impact force in the riding process.

[0035] With reference to Figure 4 and Figure 5The lower part of the rear end of the handlebar 7 is clamped and matched with the third connecting rod 8, the outer wall of the lower end of the third connecting rod 8 is slidably connected with the inner wall of the upper part of the front end of the main frame 1, the outer wall of the upper end of the third connecting rod 8 is sleeved with the fourth reset spring 801, the lower part of the front end of the main frame 1 is fixedly connected with the connecting block 9, the lower end of the connecting block 9 is fixedly connected with the fourth connecting rod 10 on both sides, the lower end of the fourth connecting rod 10 is provided with the front wheel frame 11, the outer wall of the lower end of the fourth connecting rod 10 is slidably connected with the inner wall of the upper end of the two sides of the front wheel frame 11, the outer wall of the upper end of the fourth connecting rod 10 is sleeved with the fifth reset spring 1001, by increasing the third connecting rod 8 and the fourth reset spring 801 between the handlebar 7 and the main frame 1, the stability of the handlebar 7 is further improved, the hand vibration is reduced, the riding control property is improved, in addition, the design of the fourth connecting rod 10 and the fifth reset spring 1001 provides additional damping support for the front wheel, so that the bicycle is more stable on the complex road surface, and the grip and safety of the front wheel are improved.

[0036] With reference to Figure 1 , Figure 3 and Figure 5The upper end of the middle part of the outer wall of the main frame 1 is provided with a first threaded hole 101, and the outer wall of the first connecting rod 2 is provided with a plurality of second threaded holes 201, and the first threaded hole 101 and the second threaded hole 201 are fixed by cooperating with the fixing bolt and the fixing nut. Through this design, users can adjust the height of the saddle 3 according to their height and comfort. The lower end of the first reset spring 401 is fixedly connected with the upper surface of the first connecting rod 2, and the upper end of the first reset spring 401 is fixedly connected with the middle part of the lower surface of the mounting block 301. When the bicycle runs on a bumpy road, the first reset spring 401 can absorb the vibration conducted to the frame by the wheel, and buffer these vibrations through the extension and contraction of the spring, reducing the impact directly transmitted to the rider's body. The upper end of the second reset spring 501 is fixedly connected with the rear end of the lower surface of the mounting block 301, and the lower end of the second reset spring 501 is fixedly connected with the rear end of the outer wall of the upper end of the first connecting rod 2. This design can help maintain the stability of the saddle 3 and reduce the movement of the saddle 3 in the vertical direction, thereby improving the comfort and control of the rider. The upper end of the third reset spring 601 is fixedly connected with the front end of the lower surface of the mounting block 301, and the lower end of the third reset spring 601 is fixedly connected with the front end of the outer wall of the upper end of the first connecting rod 2. The third reset spring 601 helps the saddle 3 to keep balance in the horizontal direction, reduces the movement of the saddle 3 before and after, and improves the stability and comfort of the rider. The upper end of the fourth reset spring 801 is fixedly connected with the lower surface of the rear end of the handlebar 7, and the lower end of the fourth reset spring 801 is fixedly connected with the upper surface of the front end of the main frame 1. The fourth reset spring 801 absorbs and reduces the vibration transmitted to the handlebar 7 from the ground during riding, reduces the vibration of the rider's hands and upper body, and improves comfort. The upper end of the fifth reset spring 1001 is fixedly connected with the lower surface of both sides of the connecting block 9, and the lower end of the fifth reset spring 1001 is fixedly connected with the upper surface of both sides of the front wheel frame 11. The fifth reset spring 1001 provides damping effect for the front wheel, absorbs the vibration generated by the bumps and impacts encountered by the front wheel during riding, and reduces the vibration transmitted to the frame and the rider.

[0037] Working principle: when the bicycle travels on bumpy road, the ground vibration is transmitted to the main frame 1 through the wheel, the first connecting rod 2 is connected with the upper end of the main frame 1 through sliding connection, allowing a certain degree of relative movement, while the first reset spring 401 absorbs the vibration, and the shock is buffered through the extension and contraction of the spring, reducing the impact directly transmitted to the rider's body, the second connecting rod 4 is also connected with the first connecting rod 2 through sliding connection, and is sleeved with the first reset spring 401, further absorbing the vibration and providing elastic connection, the first telescopic rod 5 and the second telescopic rod 6 are hinged with the mounting block 301 and the first connecting rod 2 through the damping piece, respectively sleeved with the second reset spring 501 and the third reset spring 601, which helps to maintain the stability of the saddle 3 and reduce the movement of the saddle 3 in the vertical and horizontal directions, improving the comfort and control of the rider, the third connecting rod 8 is connected with the rear lower end of the handlebar 7, and the lower end is connected with the inner wall of the upper end of the front end of the main frame 1 through sliding connection, and the upper end is sleeved with the fourth reset spring 801, which is used for absorbing the vibration transmitted to the handlebar 7 by the ground during riding, improving the comfort of the rider, the fourth connecting rod 10 is connected with the front wheel frame 11 through sliding connection, and is sleeved with the fifth reset spring 1001, which provides additional shock support for the front wheel, so that the bicycle rides more smoothly on complex road, improves the grip and safety of the front wheel.

[0038] Finally, it should be pointed out that: the above only for the preferred specific embodiments of the present application, and not for limiting the present application, although the foregoing specific embodiments of the present application are described in detail, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A shock absorbing mechanism for a bicycle frame, comprising a main frame (1), a seat (3) and a handlebar (7), characterized in that: The middle part of the lower end of the seat (3) is fixedly connected to a mounting block (301), the middle part of the lower end of the mounting block (301) is fixedly connected to a second connecting rod (4), the lower end of the second connecting rod (4) is provided with a first connecting rod (2), the outer wall of the lower end of the first connecting rod (2) is slidably connected to the inner wall of the middle part of the upper end of the main frame (1), the outer wall of the lower end of the second connecting rod (4) is slidably connected to the inner wall of the upper end of the first connecting rod (2), the outer wall of the second connecting rod (4) is sleeved with a first return spring (401), the middle part of the rear end of the outer wall of the upper end of the first connecting rod (2) is fixedly connected to the second connecting rod (4), and the lower end of the first connecting rod (2) is fixedly connected to the second connecting rod (4). The first connecting rod (2) is hingedly connected to a first telescopic rod (5) through a damping member, the upper end of the first telescopic rod (5) is hingedly connected to the middle part of the rear end of the lower surface of the mounting block (301) through the damping member, the outer wall of the first telescopic rod (5) is sleeved with a second return spring (501), the middle part of the front end of the outer wall of the upper end of the first connecting rod (2) is hingedly connected to a second telescopic rod (6) through a damping member, the upper end of the second telescopic rod (6) is hingedly connected to the middle part of the front end of the lower surface of the mounting block (301) through the damping member, and the outer wall of the second telescopic rod (6) is sleeved with a third return spring (601).

2. The shock absorbing mechanism for a bicycle frame according to claim 1, characterized in that: The lower part of the rear end of the handlebar (7) is snap-fitted with a third connecting rod (8), the outer wall of the lower end of the third connecting rod (8) is slidably connected to the inner wall of the upper part of the front end of the main frame (1), the outer wall of the upper end of the third connecting rod (8) is sleeved with a fourth return spring (801), the lower part of the front end of the main frame (1) is fixedly connected with a connecting block (9), both sides of the lower end of the connecting block (9) are fixedly connected with a fourth connecting rod (10), the lower end of the fourth connecting rod (10) is provided with a front wheel frame (11), the outer wall of the lower end of the fourth connecting rod (10) is slidably connected to the inner walls of both sides of the upper end of the front wheel frame (11), and the outer wall of the upper end of the fourth connecting rod (10) is sleeved with a fifth return spring (1001).

3. The shock absorbing mechanism for a bicycle frame according to claim 1, characterized in that: A first threaded hole (101) is provided at the upper end of the middle portion of the outer wall of the main frame (1), and a plurality of second threaded holes (201) are provided on the outer wall of each of the first connecting rods (2). The first threaded holes (101) and the second threaded holes (201) are fixed by means of fixing bolts and fixing nuts.

4. The shock absorbing mechanism for a bicycle frame according to claim 1, characterized in that: The lower end of the first return spring (401) is fixedly connected to the upper surface of the first connecting rod (2), and the upper end of the first return spring (401) is fixedly connected to the middle part of the lower surface of the mounting block (301).

5. The shock absorbing mechanism for a bicycle frame according to claim 1, characterized in that: The upper end of the second return spring (501) is fixedly connected to the rear end of the lower surface of the mounting block (301), and the lower end of the second return spring (501) is fixedly connected to the rear end of the outer wall of the upper end of the first connecting rod (2).

6. The shock absorbing mechanism for a bicycle frame according to claim 1, characterized in that: The upper end of the third return spring (601) is fixedly connected to the front end of the lower surface of the mounting block (301), and the lower end of the third return spring (601) is fixedly connected to the front end of the outer wall of the upper end of the first connecting rod (2).

7. The shock absorbing mechanism for a bicycle frame according to claim 2, characterized in that: The upper end of the fourth return spring (801) is fixedly connected to the lower surface of the rear end of the handlebar (7), and the lower end of the fourth return spring (801) is fixedly connected to the upper surface of the front end of the main frame (1).

8. The shock absorbing mechanism for a bicycle frame according to claim 2, characterized in that: The upper ends of the fifth return spring (1001) are fixedly connected to both sides of the lower surface of the connecting block (9), and the lower ends of the fifth return spring (1001) are fixedly connected to both sides of the upper surface of the front wheel frame (11).

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