Bicycle geometric parameter simulation frame

Abstract

The utility model relates to a bicycle geometric parameter simulation frame, which comprises a frame, a front protractor, a vertical tube beam, a vertical tube, a handlebar, a rear protractor, a middle tube beam, a middle tube group, a seat post and cushion group and a crank component, the front protractor is slidably and fixedly mounted on the frame, and the vertical tube beam is rotatably, slidably and fixedly mounted on the front protractor; the vertical pipe can slide up and down and is fixedly installed on the vertical pipe beam, and the handlebar is fixed to the top of the vertical pipe. The rear protractor is slidably and fixedly mounted on the frame, and the middle tubular beam is rotatably, slidably and fixedly mounted on the rear protractor; the middle pipe set can slide up and down and is fixedly installed on the middle pipe beam, the seat rod and cushion set can ascend and descend and is fixedly installed at the top of the middle pipe set, and the crank assembly is rotationally installed at the bottom of the middle pipe set. After the scheme is adopted, the customized data of the rider can be measured and acquired at lower cost, the test efficiency is higher, and different customized requirements of all different riders can be met.

Description

Technical Field

[0001] The utility model relates to a bicycle geometry parameter simulation rack. Background Technique

[0002] Since its birth, the bicycle has been a popular portable means of transportation. In recent years, the theme of low-carbon and environmental protection has gained popularity, and bicycles have almost become an essential part of every household. In the domestic market where bicycle products are widespread, consumers pay more attention to the riding experience and comfort. Most mass-produced bicycles can no longer meet the riding feelings and experiences of everyone. Especially in the high-end bicycle category, consumers are enthusiastically pursuing a bicycle frame that can provide a more comfortable riding experience and more refined customization exclusively for themselves.

[0003] Bicycles with a higher degree of fine customization require a series of professional parameters such as the rider's height, standing over height, arm length, and leg length to be collected. Currently, the customized data measurement devices on the market generally have high costs and serious price premiums. However, this new practical bicycle geometry parameter simulation rack can measure and collect the customized data of riders at a lower cost, with higher test efficiency and more convenient test methods. It can meet the different customized needs of all different riders. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a bicycle geometry parameter simulation rack, which can measure and collect the customized data of riders at a lower cost, with higher test efficiency and more convenient test methods, and can meet the different customized needs of all different riders.

[0005] To solve the above technical problem, the technical solution provided by the utility model is as follows:

[0006] A bicycle geometry parameter simulation rack, comprising: a frame, a front protractor, a vertical pipe beam, a vertical pipe, a handlebar, a rear protractor, a middle pipe beam, a middle pipe group, a seat post and seat cushion group, and a crank assembly. The front protractor is slidably and fixedly installed on the frame, and the vertical pipe beam is rotatably and slidably and fixedly installed on the front protractor; the vertical pipe is slidably and fixedly installed on the vertical pipe beam, and the handlebar is fixed on the top of the vertical pipe; the rear protractor is slidably and fixedly installed on the frame, the rear protractor is located behind the front protractor, and the middle pipe beam is rotatably and slidably and fixedly installed on the rear protractor; the middle pipe group is slidably and fixedly installed on the middle pipe beam, the seat post and seat cushion group is liftable and fixedly installed on the top of the middle pipe group, and the crank assembly is rotatably installed at the bottom of the middle pipe group.

[0007] Preferably, it further includes a first tightening component and a second tightening component. A first clamping groove is provided on the frame. The bottom of the first tightening component is clamped in the first clamping groove, and the first tightening component passes through the front protractor to fixedly connect the front protractor and the frame; the bottom of the second tightening component is clamped in the first clamping groove, and the second tightening component passes through the rear protractor to fixedly connect the rear protractor and the frame.

[0008] Preferably, it further includes a third tightening component, a fourth tightening component, a fifth tightening component and a sixth tightening component. A second clamping groove is provided on the vertical pipe beam. A first through hole is provided at the center of the front protractor, and a first arc-shaped guiding hole is provided at the upper end of the front protractor. The bottom of the third tightening component is clamped in the second clamping groove, and the third tightening component passes through the first through hole to fixedly connect the front protractor and the vertical pipe beam. The bottom of the fourth tightening component is clamped in the second clamping groove, and the fourth tightening component passes through the first arc-shaped guiding hole to fixedly connect the front protractor and the vertical pipe beam; a third clamping groove is provided on the middle pipe beam. A second through hole is provided at the center of the rear protractor, and a second arc-shaped guiding hole is provided at the upper end of the rear protractor. The bottom of the fifth tightening component is clamped in the third clamping groove, and the fifth tightening component passes through the second through hole to fixedly connect the rear protractor and the middle pipe beam. The bottom of the sixth tightening component is clamped in the third clamping groove, and the sixth tightening component passes through the second arc-shaped guiding hole to fixedly connect the rear protractor and the middle pipe beam.

[0009] Preferably, it further includes a seventh tightening component and an eighth tightening component. A fourth clamping groove is provided on the side surface of the vertical pipe beam. The bottom of the seventh tightening component is clamped in the fourth clamping groove, and the seventh tightening component passes through the vertical pipe to fixedly connect the vertical pipe and the vertical pipe beam; a fifth clamping groove is provided on the side surface of the middle pipe beam. The bottom of the eighth tightening component is clamped in the fifth clamping groove, and the eighth tightening component passes through the middle pipe group to fixedly connect the middle pipe group and the middle pipe beam.

[0010] Preferably, the crank assembly includes a crank central shaft, a left crank group and a right crank group. The crank central shaft is rotatably installed at the bottom of the middle pipe group, and the crank central shaft and the middle pipe group are axially fixed and circumferentially rotatably connected. The left crank group and the right crank group are fixed at both ends of the crank central shaft.

[0011] Preferably, it further includes a binding clip. A notch is provided on the side surface of the top of the middle pipe group. The seat post and seat cushion group is inserted into the middle pipe group, and the binding clip is sleeved at the notch at the top of the middle pipe group.

[0012] Preferably, the first tensioning assembly, the second tensioning assembly, the third tensioning assembly, the fourth tensioning assembly, the fifth tensioning assembly, the sixth tensioning assembly, the seventh tensioning assembly and the eighth tensioning assembly each include a bolt and a nut.

[0013] The beneficial effects of the present utility model are as follows: The front protractor and the rear protractor can be adjusted back and forth. The vertical pipe beam can slide up and down and can also rotate around the center of the front protractor. The vertical pipe can slide up and down. The middle pipe beam can slide up and down and can also rotate around the center of the rear protractor. The middle pipe group can slide up and down. The seat post and seat cushion group can move up and down. Through the continuous adjustment and cooperation among these components, customized data of cyclists can be measured and collected at a lower cost, and the testing efficiency is higher and the testing method is more convenient, which can meet the different customized needs of all different cyclists. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present utility model will be further described below in conjunction with the drawings and specific embodiments:

[0015] Figure 1 is a schematic structural diagram of an embodiment of the bicycle geometric parameter simulation rack of the present utility model Figure 1 ;

[0016] Figure 2 is a schematic structural diagram of an embodiment of the bicycle geometric parameter simulation rack of the present utility model Figure 2 ;

[0017] Figure 3 is a cross-sectional view of the vertical pipe beam in the embodiment;

[0018] Figure 4 is a cross-sectional view of the middle pipe beam in the embodiment;

[0019] Figure 5 is a cross-sectional view of the frame in the embodiment;

[0020] Figure 6 is a cross-sectional view of the front protractor in the embodiment;

[0021] Figure 7 is a cross-sectional view of the rear protractor in the embodiment.

[0022] Wherein:

[0023] 1. Frame; 101. First card slot;

[0024] 2. Front protractor; 201. First through hole; 202. First arc-shaped guide hole;

[0025] 3. Vertical pipe beam; 301. Second card slot; 302. Fourth card slot;

[0026] 4. Vertical pipe;

[0027] 5. Handlebar;

[0028] 6. Rear protractor; 601. Second through hole; 602. Second arc-shaped guiding hole;

[0029] 7. Middle pipe beam; 701. Third card slot; 702. Fifth card slot;

[0030] 8. Middle pipe group;

[0031] 9. Seat post and seat cushion group;

[0032] 10. Crank assembly;

[0033] 11. First tensioning component;

[0034] 12. Second tensioning component;

[0035] 13. Third tensioning component;

[0036] 14. Fourth tensioning component;

[0037] 15. Fifth tensioning component;

[0038] 16. Sixth tensioning component;

[0039] 17. Seventh tensioning component;

[0040] 18. Eighth tensioning component;

[0041] 19. Binder clip. Detailed implementation mode

[0042] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0043] In the description of the present utility model, it should be understood that the orientation and positional relationships indicated by "upper", "lower", "left", "right", "front", "rear", "vertical", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0044] As Figures 1 to 7 shown,

[0045] A bicycle geometric parameter simulation stand, comprising: a frame 1, a front protractor 2, a vertical pipe beam 3, a vertical pipe 4, a handlebar 5, a rear protractor 6, a middle pipe beam 7, a middle pipe group 8, a seat post and seat cushion group 9, and a crank assembly 10. The front protractor 2 is slidably and fixedly mounted on the frame 1. The vertical pipe beam 3 is rotatably and slidably and fixedly mounted on the front protractor 2. The vertical pipe 4 is slidably mounted up and down and fixedly mounted on the vertical pipe beam 3. The handlebar 5 is fixed to the top of the vertical pipe 4. The rear protractor 6 is slidably and fixedly mounted on the frame 1. The rear protractor 6 is located behind the front protractor 2. The middle pipe beam 7 is rotatably and slidably and fixedly mounted on the rear protractor 6. The middle pipe group 8 is slidably mounted up and down and fixedly mounted on the middle pipe beam 7. The seat post and seat cushion group 9 is liftably and fixedly mounted on the top of the middle pipe group 8. The crank assembly 10 is rotatably mounted on the bottom of the middle pipe group 8.

[0046] In this way, the front protractor 2 and the rear protractor 6 can be adjusted back and forth. The vertical pipe beam 3 can slide up and down and can also rotate around the center of the front protractor 2. The vertical pipe 4 can slide up and down. The middle pipe beam 7 can slide up and down and can also rotate around the center of the rear protractor 6. The middle pipe group 8 can slide up and down. The seat post and seat cushion group 9 can be lifted up and down. Through the continuous adjustment and cooperation among the above-mentioned components, customized data of riders can be measured and collected at a lower cost, and the testing efficiency is higher and the testing method is more convenient, which can meet the different customized needs of all different riders.

[0047] In addition, it further includes a first tightening component 11 and a second tightening component 12. A first clamping groove 101 is provided on the frame 1. The bottom of the first tightening component 11 is clamped in the first clamping groove 101, and the first tightening component 11 passes through the front protractor 2 to fixedly connect the front protractor 2 and the frame 1. The bottom of the second tightening component 12 is clamped in the first clamping groove 101, and the second tightening component 12 passes through the rear protractor 6 to fixedly connect the rear protractor 6 and the frame 1.

[0048] In this way, when it is necessary to adjust the positions of the front protractor 2 and the rear protractor 6, only need to loosen the first tightening component 11 and the second tightening component 12, then slide the front protractor 2 and the rear protractor 6, and then tighten the first tightening component 11 and the second tightening component 12 to re-fix the front protractor 2 and the rear protractor 6.

[0049] Additionally, it further includes a third tightening assembly 13, a fourth tightening assembly 14, a fifth tightening assembly 15, and a sixth tightening assembly 16. A second card slot 301 is provided on the vertical pipe beam 3. A first through hole 201 is provided at the center of the front protractor 2. A first arc-shaped guiding hole 202 is provided at the upper end of the front protractor 2. The bottom of the third tightening assembly 13 is clamped in the second card slot 301. The third tightening assembly 13 passes through the first through hole 201 to fixedly connect the front protractor 2 and the vertical pipe beam 3. The bottom of the fourth tightening assembly 14 is clamped in the second card slot 301. The fourth tightening assembly 14 passes through the first arc-shaped guiding hole 202 to fixedly connect the front protractor 2 and the vertical pipe beam 3. A third card slot 701 is provided on the middle pipe beam 7. A second through hole 601 is provided at the center of the rear protractor 6. A second arc-shaped guiding hole 602 is provided at the upper end of the rear protractor 6. The bottom of the fifth tightening assembly 15 is clamped in the third card slot 701. The fifth tightening assembly 15 passes through the second through hole 601 to fixedly connect the rear protractor 6 and the middle pipe beam 7. The bottom of the sixth tightening assembly 16 is clamped in the third card slot 701. The sixth tightening assembly 16 passes through the second arc-shaped guiding hole 602 to fixedly connect the rear protractor 6 and the middle pipe beam 7.

[0050] In this way, when it is necessary to adjust the positional relationship between the vertical pipe beam 3 and the front protractor 2, only need to loosen the third tightening assembly 13 and the fourth tightening assembly 14, then slide or rotate the vertical pipe beam 3. After the adjustment is completed, re-tighten the third tightening assembly 13 and the fourth tightening assembly 14. Similarly, the adjustment of the positional relationship between the middle pipe beam 7 and the rear protractor 6 is also the same.

[0051] Additionally, it further includes a seventh tightening assembly 17 and an eighth tightening assembly 18. A fourth card slot 302 is provided on the side of the vertical pipe beam 3. The bottom of the seventh tightening assembly 17 is clamped in the fourth card slot 302. The seventh tightening assembly 17 passes through the vertical pipe 4 to fixedly connect the vertical pipe 4 and the vertical pipe beam 3. A fifth card slot 702 is provided on the side of the middle pipe beam 7. The bottom of the eighth tightening assembly 18 is clamped in the fifth card slot 702. The eighth tightening assembly 18 passes through the middle pipe group 8 to fixedly connect the middle pipe group 8 and the middle pipe beam 7.

[0052] In this way, when it is necessary to adjust the positional relationship between the vertical pipe 4 and the vertical pipe beam 3, only need to loosen the seventh tightening assembly 15, then slide the vertical pipe 4. After the adjustment is completed, re-tighten the seventh tightening assembly 15. Similarly, the positional relationship between the middle pipe group 8 and the middle pipe beam 7 is also adjusted in this way.

[0053] Additionally, the crank assembly 10 includes a crank central shaft, a left crank group, and a right crank group. The crank central shaft is rotatably installed at the bottom of the middle pipe group 8, and the crank central shaft and the middle pipe group 8 are axially fixed and circumferentially rotatably connected. The left crank group and the right crank group are fixed at both ends of the crank central shaft.

[0054] In addition, it further includes a beam clamp 19. A notch 801 is provided on the top side of the middle tube group 8. The seat post and seat cushion group 9 is inserted into the middle tube group 8, and the beam clamp is sleeved at the top notch 801 of the middle tube group 8.

[0055] In this way, when it is necessary to adjust the height of the seat post and seat cushion group 9, only need to loosen the beam clamp 19. After the adjustment of the seat post and seat cushion group 9 is completed, re-tighten the beam clamp 19.

[0056] In addition, the first tightening and loosening component 11, the second tightening and loosening component 12, the third tightening and loosening component 13, the fourth tightening and loosening component 14, the fifth tightening and loosening component 15, the sixth tightening and loosening component 16, the seventh tightening and loosening component 17 and the eighth tightening and loosening component 18 all include bolts and nuts.

[0057] In this way, the head of the bolt is stuck in each card slot. The bolt passes through the parts to be connected and is connected to the nut. By adjusting the tightness between the bolt and the nut, the adjustment and fixation between the two parts can be achieved.

[0058] In summary, the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A bicycle geometric parameter simulation frame, characterized in that: include: A frame, a front protractor, a vertical tube beam, a vertical tube, a handlebar, a rear protractor, a middle tube beam, a middle tube group, a seat post and a crank assembly, wherein the front protractor can be slidably and fixedly mounted on the frame, the vertical tube beam can be rotatably and slidably and can be fixedly mounted on the front protractor; the vertical tube can slide up and down and is fixedly mounted on the vertical tube beam, and the handlebar is fixed on the top of the vertical tube; the rear protractor can be slidably and fixedly mounted on the frame, the rear protractor is located behind the front protractor, the middle tube beam can be rotatably and slidably and can be fixedly mounted on the rear protractor; the middle tube group can slide up and down and is fixedly mounted on the middle tube beam, the seat post and cushion group can be raised and lowered and fixedly mounted on the top of the middle tube group, and the crank assembly is rotatably mounted on the bottom of the middle tube group.

2. The bicycle geometric parameter simulation frame according to claim 1, characterized in that: It also includes a first elastic component and a second elastic component, the frame is provided with a first slot, the bottom of the first elastic component is clamped in the first slot, and the first elastic component passes through the front protractor to fix the front protractor and the frame; the bottom of the second elastic component is clamped in the first slot, and the second elastic component passes through the rear protractor to fix the rear protractor and the frame.

3. The bicycle geometric parameter simulation frame according to claim 2, characterized in that: It also includes a third tensioning assembly, a fourth tensioning assembly, a fifth tensioning assembly and a sixth tensioning assembly, a second clamping groove is provided on the vertical tube beam, a first through hole is provided at the center of the front protractor, a first arc-shaped guide hole is provided at the upper end of the front protractor, the bottom of the third tensioning assembly is clamped in the second clamping groove, the third tensioning assembly passes through the first through hole to fix the front protractor and the vertical tube beam, the bottom of the fourth tensioning assembly is clamped in the second clamping groove, the fourth tensioning assembly passes through the first arc-shaped guide hole to fix the front protractor and the vertical tube beam The front protractor is fixedly connected to the vertical tube beam; a third slot is provided on the middle tube beam, a second through hole is provided at the center of the rear protractor, a second arc-shaped guide hole is provided at the upper end of the rear protractor, the bottom of the fifth elastic component is clamped in the third slot, and the fifth elastic component passes through the second through hole to fix the rear protractor and the middle tube beam, the bottom of the sixth elastic component is clamped in the third slot, and the sixth elastic component passes through the second arc-shaped guide hole to fix the rear protractor and the middle tube beam.

4. The bicycle geometric parameter simulation frame according to claim 3, characterized in that: It also includes a seventh elastic component and an eighth elastic component. A fourth slot is provided on the side of the vertical tube beam, and the bottom of the seventh elastic component is clamped in the fourth slot. The seventh elastic component passes through the vertical tube to fix the vertical tube and the vertical tube beam in connection. A fifth slot is provided on the side of the middle tube beam, and the bottom of the eighth elastic component is clamped in the fifth slot. The eighth elastic component passes through the middle tube group to fix the middle tube group and the middle tube beam in connection.

5. The bicycle geometric parameter simulation frame according to claim 4, characterized in that: The crank assembly includes a crank shaft, a left crank group and a right crank group. The crank shaft is rotatably mounted on the bottom of the middle tube group, and the crank shaft and the middle tube group are axially fixed and circumferentially connected. The left crank group and the right crank group are fixed at both ends of the crank shaft.

6. The bicycle geometric parameter simulation frame according to claim 5, characterized in that: It also includes a clamp, a notch is arranged on the top side of the middle tube group, the seat post and cushion group is inserted into the middle tube group, and the clamp sleeve is arranged on the top notch of the middle tube group.

7. The bicycle geometric parameter simulation frame according to claim 6, characterized in that: The first elastic assembly, the second elastic assembly, the third elastic assembly, the fourth elastic assembly, the fifth elastic assembly, the sixth elastic assembly, the seventh elastic assembly and the eighth elastic assembly all include bolts and nuts.

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