Aluminum alloy bicycle frame with integrated shock absorbing cushioning

Abstract

An aluminum alloy bicycle frame with integrated shock absorption and buffering function, comprising a front frame and a rear frame, the front frame comprising a head tube, a mounting shell, a down tube arranged between the head tube and the mounting shell, a mounting bracket arranged on the mounting shell, and a middle tube arranged on the mounting bracket; the mounting bracket is provided with a through hole accommodating a first shock absorber, the lower end of the first shock absorber is hinged with the mounting shell through the through hole; the rear frame comprises a lower fork arm, an upper fork arm, and a second shock absorber arranged at the front end of the upper fork arm; a connecting assembly is arranged between the rear frame and the mounting bracket, and the connecting assembly is hinged with the mounting bracket, the first shock absorber and the second shock absorber respectively. The connecting assembly is hinged with the mounting bracket, the first shock absorber and the second shock absorber respectively, which not only ensures the overall structural strength of the frame, but also provides shock absorption and buffering function in the transverse and longitudinal directions for the user, and optimizes the user's experience.

Description

Technical Field

[0001] This utility model relates to the field of bicycle frame technology, and in particular to an aluminum alloy bicycle frame with integrated shock absorption and cushioning function. Background Technology

[0002] Currently, bicycles on the market often achieve shock absorption by placing a shock absorber directly between the downtube and the rear fork. This structure can only provide cushioning in the lateral direction and cannot provide good cushioning performance in the longitudinal direction. Utility Model Content

[0003] The problem this invention aims to solve is to provide an aluminum alloy bicycle frame with integrated shock absorption and cushioning functions, which can provide shock absorption and cushioning for users in both the lateral and longitudinal directions, thereby optimizing the user experience.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: an aluminum alloy bicycle frame with integrated shock absorption and buffering function, including a front frame and a rear frame. The front frame includes a head tube, a mounting shell, a down tube disposed between the head tube and the mounting shell, a mounting bracket disposed on the mounting shell, and a center tube disposed on the mounting bracket. The mounting bracket is connected to the down tube and the mounting shell respectively. The mounting bracket has a through hole for accommodating a first shock absorber, and the lower end of the first shock absorber passes through the through hole and is hinged to the mounting shell. The rear frame includes a lower fork, a upper fork, and a second shock absorber disposed at the front end of the upper fork. A connecting assembly is provided between the rear frame and the mounting bracket. The connecting assembly is located on the upper part of the mounting frame and is hinged to the mounting frame, the first shock absorber, and the second shock absorber. The connecting assembly includes connecting rod plates symmetrically arranged on both sides of the center tube. Each connecting rod plate has a first connecting hole for connecting to the first shock absorber, a second connecting hole for connecting to the mounting frame, and a third connecting hole for connecting to the rear frame. A first sleeve and a second sleeve are provided between the two connecting rod plates. The two ends of the first sleeve are rotatably connected to the two second connecting holes, and the first sleeve is fixedly connected to the mounting frame. The connecting rod plate is hinged to the second shock absorber through the second sleeve, and the two ends of the second sleeve are connected to the two third connecting holes. This invention, by hinged to the mounting frame, the first shock absorber, and the second shock absorber through the connecting assembly, ensures the overall structural strength of the frame and provides shock absorption and cushioning functions for the user in both the lateral and longitudinal directions, thus optimizing the user experience.

[0005] As an improvement, the first connecting hole, the second connecting hole, and the third connecting hole are arranged sequentially on the connecting rod piece from front to back.

[0006] As an improvement, a bushing is provided in the first connecting hole, the two first connecting holes correspond to the two bushings, the two bushings are disposed between the two first connecting holes, and the first shock absorber is disposed between the two bushings and is hinged to the connecting rod plate through the bushings.

[0007] As an improvement, the mounting housing is provided with a first hinge seat that is fixedly connected thereto. The first hinge seat is located below the through hole, and the lower end of the first shock absorber is hinged to the first hinge seat.

[0008] As an improvement, the two ends of the first sleeve are rotatably connected to the connecting rod plate via bearings.

[0009] As an improvement, the second sleeve includes a first connecting section disposed in its middle, a second connecting section disposed on both sides of the first connecting section, and a third connecting section disposed on the outside of the second connecting section; the first connecting section is disposed between the two connecting rod pieces, the second connecting section is engaged with the third connecting hole, the third connecting section is engaged with the second shock absorber, and the second shock absorber is hinged to the connecting rod piece through the second sleeve.

[0010] As an improvement, reinforcing boxes are provided on both sides of the central tube, and the two reinforcing boxes are welded to the central tube and the mounting bracket respectively.

[0011] As an improvement, a connecting frame is provided between the two upper forks. The connecting frame is U-shaped, with its two ends located at the front ends of the two upper forks, and a connecting arm is provided between the connecting frame and the lower fork.

[0012] As an improvement, the lower fork arm has a rotating shaft fixedly connected to its front end, and the mounting housing has a second hinge seat hinged to the rotating shaft at its rear end.

[0013] As an improvement, a reinforcing plate is provided between the two lower forks, and the reinforcing plate is welded to the front end of the two lower forks.

[0014] The beneficial effects of this utility model are: by setting bushings, a first sleeve and a second sleeve between the connecting components to achieve hinged connection with the first shock absorber, the mounting bracket and the second shock absorber, the overall structural strength of this utility model is guaranteed, and at the same time, it can provide shock absorption and buffering for users in the lateral and longitudinal directions respectively, thus optimizing the user experience. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a structural diagram of the rear frame and connecting components.

[0017] Figure 3 This is a structural diagram of the lower fork arm and the mounting housing.

[0018] Figure 4 This is a schematic diagram of the structure of the first sleeve.

[0019] Figure 5This is a schematic diagram of the second sleeve.

[0020] Figure 6 This is a schematic diagram of the connecting rod segment.

[0021] Explanation of the labels in the diagram: 1. Head tube; 2. Lower tube; 3. Mounting housing; 31. First hinge seat; 32. Second hinge seat; 4. Mounting bracket; 41. Through hole; 5. First shock absorber; 6. Middle tube; 61. Reinforcing box; 7. Connecting rod plate; 71. First connecting hole; 72. Second connecting hole; 73. Third connecting hole; 74. Bushing; 75. First sleeve; 76. Second sleeve; 761. First connecting section; 762. Second connecting section; 763. Third connecting section; 8. Second shock absorber; 9. Rear frame; 91. Upper wishbone; 911. Connecting bracket; 92. Lower wishbone; 921. Reinforcing plate; 922. Rotary shaft; 93. Connecting arm. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings.

[0023] like Figure 1 , 2 As shown, an aluminum alloy bicycle frame with integrated shock absorption and cushioning function is disclosed. The frame is made entirely of aluminum alloy, resulting in high overall structural strength. It includes a front frame and a rear frame 9. The front frame includes a head tube 1, a down tube 2, a mounting shell 3, a mounting bracket 4 mounted on the mounting shell 3, and a center tube 6 mounted on the mounting bracket 4. The front end of the down tube 2 is welded to the head tube 1, and the rear end of the down tube 2 is welded to the mounting shell 3. The mounting bracket 4 is welded to both the mounting shell 3 and the down tube 2. The mounting bracket 4 has a through hole 41 for accommodating a first shock absorber 5, the lower end of which passes through the through hole 41 and is hinged to the mounting shell 3. The rear frame 9 includes two lower fork arms 9. 2. Two upper fork arms 91 and a second shock absorber 8 located at the front end of the upper fork arms 91. The two upper fork arms 91 correspond to two second shock absorbers 8. The tail end of the second shock absorber 8 is connected to the front end of the upper fork arm 91. The front end of the second shock absorber 8 is connected to the mounting frame 4 through a connecting assembly. The connecting assembly is located on the upper part of the mounting frame 4. The connecting assembly is hinged to the mounting frame 4, the first shock absorber 5, and the second shock absorber 8 respectively. The first shock absorber 5 is provided between the connecting assembly and the mounting shell 3 to achieve shock absorption and buffering in the longitudinal direction. The second shock absorber 8 is provided between the connecting assembly and the upper fork arms 91 to achieve shock absorption and buffering in the lateral direction.

[0024] The technical solution of this utility model will be described in further detail below.

[0025] like Figures 1 to 6As shown, the connecting assembly includes connecting rod plates 7 symmetrically arranged on both sides of the central tube 6. Each connecting rod plate 7 has a first connecting hole 71 for connecting to the first shock absorber 5, a second connecting hole 72 for connecting to the mounting bracket 4, and a third connecting hole 73 for connecting to the second shock absorber 8. The first connecting hole 71, the second connecting hole 72, and the third connecting hole 73 are arranged sequentially from front to back on the connecting rod plate 7. A bushing 74, a first sleeve 75, and a second sleeve 76 are provided between the two connecting rod plates 7. The two first connecting holes 71 correspond to the two bushings 74. The first shock absorber 5 is disposed between the two bushings 74. One end of each bushing 74 is connected to the first connecting hole 71 by a bolt, and the other end of each bushing 74 is hinged to the upper end of the first shock absorber 5. The top of the mounting shell 3 is provided with a first hinge seat 31 welded thereto, and the lower end of the first shock absorber 5 is hinged to the first hinge seat 31. Both ends of the first sleeve 75 are rotatably connected to the second connecting hole 72 by bearings, and the mounting bracket 4 is welded to the middle position of the first sleeve 75. The second sleeve 76 includes a first connecting section 761 located in its middle, second connecting sections 762 located on both sides of the first connecting section 761, and a third connecting section 763 located outside the second connecting sections 762. That is, the first connecting section 761 is located inside the two second connecting sections 762, and the two third connecting sections 763 are located outside the two second connecting sections 762. The radii of the first connecting section 761, the second connecting section 762, and the third connecting section 763 decrease sequentially. The first connecting section 761 is located between the two connecting rod pieces 7, the two second connecting sections 762 respectively cooperate with the two third connecting holes 73, and the two second shock absorbers 8 are respectively sleeved on the third connecting sections 763. The second shock absorbers 8 are hinged to the connecting rod pieces 7 through the second sleeve 76, thereby providing good shock absorption and buffering function for the user in the lateral direction.

[0026] To enhance the structural strength of the central tube 6, reinforcing boxes 61 are symmetrically provided on both sides of the central tube 6. The reinforcing boxes 61 are welded to the mounting frame 4 and the central tube 6 respectively, and the two reinforcing boxes 61 are located between the two connecting rod pieces 7.

[0027] To enhance the structural strength of the rear frame 9, a connecting frame 911 is provided between the two upper fork arms 91. The connecting frame 911 is U-shaped, and its two ends are fixed to the front ends of the two upper fork arms 91 respectively. A connecting arm 93 is provided between the connecting frame 911 and the lower fork arm 92. A pivot 922 is provided at the front end of the lower fork arm 92, and the two lower fork arms 92 are welded to the pivot 922. A second hinge seat 32 is provided at the rear end of the mounting housing 3, which is hinged to the pivot 922. A reinforcing plate 921 is also provided between the two lower fork arms 92, and the reinforcing plate 921 is welded to the front position between the two lower fork arms 92.

[0028] This utility model achieves hinged connection with the first shock absorber 5, the mounting bracket 4, and the second shock absorber 8 by setting bushing 74, first sleeve 75, and second sleeve 76 between the connecting components. This not only ensures the overall structural strength of the utility model, but also provides shock absorption and buffering for users in both the lateral and longitudinal directions, thereby optimizing the user experience.

Claims

1. An aluminum alloy bicycle frame with integrated shock absorption and cushioning function, comprising a front frame and a rear frame, characterized in that: The front frame includes a head tube, a mounting shell, a down tube disposed between the head tube and the mounting shell, a mounting bracket disposed on the mounting shell, and a center tube disposed on the mounting bracket. The mounting bracket is connected to the down tube and the mounting shell respectively. The mounting bracket has a through hole for accommodating a first shock absorber, the lower end of which passes through the through hole and is hinged to the mounting shell. The rear frame includes a lower wishbone, an upper wishbone, and a second shock absorber disposed at the front end of the upper wishbone. A connecting assembly is provided between the rear frame and the mounting bracket. The connecting assembly is disposed on the upper part of the mounting bracket and is connected to the mounting bracket, the first shock absorber, and the center tube respectively. The shock absorber and the second shock absorber are hinged together; the connecting assembly includes connecting rod plates symmetrically arranged on both sides of the center tube, each connecting rod plate having a first connecting hole for connecting to the first shock absorber, a second connecting hole for connecting to the mounting bracket, and a third connecting hole for connecting to the rear frame; a first sleeve and a second sleeve are provided between the two connecting rod plates, the two ends of the first sleeve being rotatably connected to the two second connecting holes respectively, and the first sleeve being fixedly connected to the mounting bracket; the connecting rod plate is hinged to the second shock absorber through the second sleeve, the two ends of the second sleeve being connected to the two third connecting holes respectively.

2. The aluminum alloy bicycle frame with integrated shock absorption and buffering function according to claim 1, characterized in that: The first connecting hole, the second connecting hole, and the third connecting hole are arranged sequentially on the connecting rod piece from front to back.

3. The aluminum alloy bicycle frame with integrated shock absorption and cushioning function according to claim 1, characterized in that: A bushing is provided in the first connecting hole, and two bushings correspond to two first connecting holes. The two bushings are disposed between the two first connecting holes. The first shock absorber is disposed between the two bushings and is hinged to the connecting rod plate through the bushings.

4. The aluminum alloy bicycle frame with integrated shock absorption and buffering function according to claim 3, characterized in that: The mounting housing is provided with a first hinge seat that is fixedly connected to it. The first hinge seat is located below the through hole, and the lower end of the first shock absorber is hinged to the first hinge seat.

5. The aluminum alloy bicycle frame with integrated shock absorption and buffering function according to claim 1, characterized in that: The two ends of the first sleeve are rotatably connected to the connecting rod plate via bearings.

6. The aluminum alloy bicycle frame with integrated shock absorption and buffering function according to claim 1, characterized in that: The second sleeve includes a first connecting section disposed in its middle, a second connecting section disposed on both sides of the first connecting section, and a third connecting section disposed on the outside of the second connecting section; the first connecting section is disposed between the two connecting rod pieces, the second connecting section is engaged with the third connecting hole, the third connecting section is engaged with the second shock absorber, and the second shock absorber is hinged to the connecting rod piece through the second sleeve.

7. The aluminum alloy bicycle frame with integrated shock absorption and buffering function according to claim 1, characterized in that: The two sides of the central tube are provided with reinforcing boxes, and the two reinforcing boxes are welded to the central tube and the mounting bracket respectively.

8. The aluminum alloy bicycle frame with integrated shock absorption and cushioning function according to claim 1, characterized in that: A connecting frame is provided between the two upper forks. The connecting frame is U-shaped, and its two ends are respectively located at the front ends of the two upper forks. A connecting arm is provided between the connecting frame and the lower fork.

9. The aluminum alloy bicycle frame with integrated shock absorption and buffering function according to claim 1, characterized in that: The lower fork arm has a rotating shaft fixedly connected to its front end, and the mounting housing has a second hinge seat hinged to the rotating shaft at its rear end.

10. The aluminum alloy bicycle frame with integrated shock absorption and cushioning function according to claim 1, characterized in that: A reinforcing plate is provided between the two lower fork arms, and the reinforcing plate is welded to the front end of the two lower fork arms.

Images