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Settable and fine adjustable wheel steering gear

A steering device and wheel technology, applied in steering mechanisms, bicycle accessories, transportation and packaging, etc., can solve problems such as the same straight line and offset, and achieve the effect of improving convenience and practicability

Inactive Publication Date: 2007-10-10
FRAN WHEEL ENTERPRISE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, after the above-mentioned fork bar set 12 is positioned, the wheel 13 may not be able to maintain the same line with the center line of the vehicle frame 11 due to errors, and there is a problem of deviation when going straight.

Method used

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  • Settable and fine adjustable wheel steering gear
  • Settable and fine adjustable wheel steering gear
  • Settable and fine adjustable wheel steering gear

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] Referring to Fig. 3 and Fig. 4, the preferred embodiment of the wheel steering device which can be positioned and fine-tuned in the present invention is installed on a vehicle frame 2, comprising: a head tube 3, a fork bar group 4, a wheel 5, a positioning unit 6 and a trimmer 7.

[0020] The head tube 3 is fixed on the frame 2 and has a ring wall 32 surrounding an axis X and defining a shaft hole 31 .

[0021] The fork rod set 4 has a rod base 41 , a shaft rod 42 , two fork rods 43 and a fine-tuning screw hole 44 . The rod seat 41 has a concave hole 412 formed on a top surface 411 and located at an eccentric position. The shaft 42 is formed on the top surface 411 of the rod seat 41 and pivots in the shaft hole 31 of the head tube 3 along the axis X. The aforementioned fork rod 43 extends from two sides of the rod seat 41 along the axis X di...

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PUM

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Abstract

A wheel steering mechanism with locating and trimming units is composed of a front tube fixed to frame, a fork rod group passing through said front tube, a wheel between fork rods, a locating unit and a trimming unit for centering said wheel.

Description

【Technical field】 [0001] The invention relates to a wheel steering device, in particular to a wheel steering device capable of positioning and fine adjustment. 【Background technique】 [0002] Referring to Fig. 1 and Fig. 2, taking the previous Chinese Patent No. 00242796.6 "Tricycle Front Wheel Steering Structure" as an example, it mainly includes a vehicle frame 11, a fork bar set 12, a wheel 13 and a positioning unit 14. The frame 11 has a head tube 111 . The fork rod set 12 has a shaft 121 pivoted in the head tube 111 , and two fork rods 122 extending downward from two sides of the shaft 121 . The wheel 13 is pivotally arranged between the aforementioned fork rods 122 . The positioning unit 14 has a shaft seat 141 fixed on the head tube 11, a locking member 142 displaceably passing through the shaft seat 141 and the head tube 11, and screwed with the shaft seat 141 and can be positioned. A limiting part 143 of the clamping part 142 . The locking member 141 is displace...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K21/22
Inventor 邱平然
Owner FRAN WHEEL ENTERPRISE