Double drive double brake hub
A double-brake and hub technology, which is applied to bicycle accessories, hubs, transportation and packaging, etc., can solve the problems of user inconvenience, inability to control tricycles or four-wheels backwards, etc., and achieve the effect of safe and reliable use
Inactive Publication Date: 2016-03-02
FOSHAN SHUNDE DISTRICT MINTAI HARDWARE PROD
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- Description
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Problems solved by technology
[0002] Existing hubs that are used for manpower tricycles or four-wheel vehicles (can refer to the appearance of four-wheel vehicles disclosed on February 2, 2011 by Chinese Patent No. CN201030266486.6) generally can only control the wheels to rotate forward, driving the front of the tricycle or four-wheel vehicle. It is not possible to control the tricycle or four-wheel vehicle to go backward; when the tricycle or four-wheel vehicle is required to go backward, the user can only get off and push it, which brings inconvenience to the user
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] Such as Figure 1 to Figure 4 As shown, a double-drive and double-brake hub includes a middle tube 1, a drive toothed disc 5, a shaft core 12, a flywheel 18, a first positioning member and a second positioning member, and the driving toothed disc 5, the middle tube 1, and a flywheel 18 Sleeved on the outside of the shaft core 12 in turn, the first positioning member and the second positioning member are connected to both ends of the shaft core 12 respectively. Plate assembly and spring 15, one end of the helical drive part 3 is statically matched with the drive toothed disc 5, the other end of the helical drive part 3 is threadedly connected with the clutch sleeve 13, the clutch sleeve 13 and the brake pad assembly are all located in the middle tube 1, and the brake pad assembly and Located between the middle tube 1 and the clutch sleeve 13, the...
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The invention relates to a dual-drive and double-brake free hub which comprises a middle pipe, a driving tooth disk, a central spindle, a flywheel, a first positioning component and a second positioning component, wherein the driving tooth disk, the middle pipe and the flywheel are sequentially arranged outside the central spindle in a sleeving manner, the first positioning component and the second positioning component are respectively connected to the two ends of the central spindle, a screw-drive part, a clutch sleeve, a brake block component and a spring are also arranged outside the central spindle, one end of the screw-drive part is in stationary fit with the driving tooth disk, the other end of the screw-drive part is in threaded connection with the clutch sleeve, the clutch sleeve and the brake block component are both positioned inside the middle pipe while the brake block component is positioned between the middle pipe and the clutch sleeve, and the spring is arranged between the flywheel and the clutch sleeve; a necking position is arranged on the inner side of the middle pipe, the clutch sleeve is provided with a first conical surface and a second conical surface at the positions corresponding to the necking position and the brake block component respectively, the brake block component comprises at least two pairs of brake blocks, and all the brake blocks are distributed on the circumference of the central spindle. The dual-drive and double-brake free hub has a simple and reasonable structure, can achieve forward rotation and rearward rotation, and is safe and reliable.
Description
technical field [0001] The invention relates to the technical field of hubs, in particular to a double-drive and double-brake hub for a manpower tricycle or four-wheel vehicle. Background technique [0002] Existing hubs that are used for manpower tricycles or four-wheel vehicles (can refer to the appearance of four-wheel vehicles disclosed on February 2, 2011 by Chinese Patent No. CN201030266486.6) generally can only control the wheels to rotate forward, driving the front of the tricycle or four-wheel vehicle. It is not possible to control the tricycle or four-wheel vehicle to move backward; when the three-wheel vehicle or four-wheel vehicle needs to be moved backward, the user can only get off and push it, causing inconvenience to the user. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a safe and reliable double-drive double-brake hub with simple and reasonable structu...
Claims
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IPC IPC(8): B60B27/04B62L1/00
Inventor 蔡金茂
Owner FOSHAN SHUNDE DISTRICT MINTAI HARDWARE PROD