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Multipurpose low-speed gearbox

A gearbox, multi-purpose technology, applied in the direction of gear transmission, toothed components, belt/chain/gear, etc., can solve the problems of poor fastening, low speed of shifting movement, etc., to increase stability, High operating efficiency for shift adjustment and stable lock-up coordination

Pending Publication Date: 2018-03-30
陈周林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned technical solution is the first product developed by the applicant, which solves the above-mentioned technical problems, and has the advantages of simple structure, convenient operation and low cost. However, during the actual application process lasting for one year, it is found that it has the following defects: 1. The locking cooperation adopts the relative cooperation between the fixed slider and the positioning lock groove. During the shifting process of the gear telescopic rod, there is a certain sense of jamming during the sliding process of the fixed slider; 2. The fixed slider and the positioning lock groove Locking fit, which has the problem of relatively poor tightness; 3. The gear expansion rod adopts a screw structure, which forms a forward and backward movement by cooperating with the teeth of the gear adjustment teeth, and has a low speed of shifting movement The problem

Method used

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  • Multipurpose low-speed gearbox
  • Multipurpose low-speed gearbox
  • Multipurpose low-speed gearbox

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as Figure 1 to Figure 11 As shown, a kind of multi-purpose low-speed gearbox provided by the present invention includes a driving device, a driven device and a shifting device. The driving device includes a driving shaft 1 and several main gears 3 positioned on the driving shaft 1. The driven device includes a slave The movable speed regulating shaft 7 and the driven gear 8 and some speed regulating gears 15 positioned on the driven speed regulating shaft 7, the driven gear 8 and the driven speed regulating shaft 7 are fixedly installed, and its fixed installation structure adopts the existing technology. Commonly used gears and shafts are fixed. The speed regulating gear 15 and the driven speed regulating shaft 7 are in an idling structure. The installation structure adopts clearance fit. Cooperate with the speed-regulating gear 15, the number of the main gear 3 and the speed-regulating gear 15 is more than 2, the preferred number is 3-8, and the rotation is comp...

Embodiment 2

[0037] According to Embodiment 1, further, the elastic adjustment device 13 of the present invention is composed of a top block 22 and a telescopic spring 23 located at the lower part of the top block 22. The top block 22 is used to push up the corresponding tab 14, so that the tab 14 is locked with the corresponding The tooth 18 completes the gear locking fit, and the top block preferably adopts a steel ball, which facilitates movement during transposition and improves smoothness of operation.

Embodiment 3

[0039] Based on the above-mentioned embodiment, further, a sliding cavity 17 is provided inside the speed regulating rod 6 of the present invention, and a sliding guide rod 5 is extended and embedded in the sliding cavity 17. The sliding cavity 17 is an open structure at one end, and the speed regulating rod 6 and the sliding The guide rod 5 is a sliding fit, and one end of the sliding guide rod 5 is extended and embedded into the sliding cavity 17, showing telescopic sliding, the other end of the sliding guide rod 5 is fixedly installed with the box body 16, and when the speed regulating rod 6 is driven by the adjusting rod 2, the The reversing moving part 4 can move along the sliding guide rod 5, and the sliding guide rod 5 and the box body 16 are arranged in a fixed structure, so the stability of the operation of the speed regulating rod 6 can be adjusted.

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PUM

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Abstract

A multipurpose low-speed gearbox comprises a driving device, a driven device and a gear shifting device; the driving device comprises a driving shaft and multiple main gears located on the driving shaft, the driven device comprises a driven speed adjusting shaft, a driven gear and multiple speed adjusting gears, the driven gear and the speed adjusting gears are arranged on the driven speed adjusting shaft, the gear shifting device comprises an adjusting pull rod, one end of the adjusting pull rod is connected with one end of a speed adjusting rod through a reversing moving part, the other endof the speed adjusting rod is provided with a mounting cavity, an elastic adjusting device is arranged in the mounting cavity, the speed adjusting rod extends into the driven speed adjusting shaft inan embedded manner, a slotting opening is formed in the driven speed adjusting shaft, the mounting cavity and the slotting opening are opposite, multiple clamping tongues are movably mounted on the side wall of the slotting opening, an locking teeth are arranged on the inner ring of the speed adjusting gear. According to the gearbox, design is optimized, and the beneficial effects of being stablein locking fit, and high in gear shifting adjusting running efficiency are achieved.

Description

technical field [0001] The invention relates to the technical field of transmission equipment, and is suitable for use in low-speed mechanical equipment, such as machine tool processing equipment or bicycles and other equipment with relatively low rotational speed, and in particular relates to a multi-purpose low-speed gearbox. Background technique [0002] As a mechanism used to change the speed of motion, the gearbox is widely used in the mechanical field. Transmissions can generally be divided into manual transmissions and automatic transmissions. Manual transmissions are usually composed of gears and shafts, and different gear combinations produce a speed change effect. However, the existing gearbox usually has high manufacturing cost and complicated internal structure, and is not suitable for simple low-speed equipment; especially in the bicycle speed change structure, the existing speed change structure usually uses the adjustment chain to complete the change of the fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/087F16H63/30F16H63/34
CPCF16H3/087F16H63/30F16H63/34
Inventor 陈周林
Owner 陈周林