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Composite rack structure

A compound, rack-and-pinion technology, used in toothed components, portable lifting devices, belts/chains/gears, etc., can solve the problems of different applicable occasions, unfavorable miniaturization and low-cost manufacturing, and achieve reliable performance. high sex effect

Active Publication Date: 2017-03-08
GOLDCARD HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The racks made of these two materials have different advantages and disadvantages, and the applicable occasions are also different.
There are also some traditional plastic-metal composite structures that use the metal insert process, that is, the process of plastic wrapping metal, which is not conducive to miniaturization and low-cost manufacturing

Method used

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Experimental program
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Embodiment Construction

[0018] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

[0019] Such as figure 1 , figure 2 with image 3 As shown, the present invention includes a plastic rack 1 and a metal shaft 2. The metal shaft 2 is provided with a section of axial central hole 2.1 and several axial central holes 2.1 at its end connected to the plastic rack 1. The radial through hole 2.2; one end of the plastic rack 1 and one end of the metal shaft 2 are connected together through injection molding by using the central hole and the radial through hole. The material of the metal shaft is a corrosion-resistant metal shaft, including stainless steel and aluminum shafts. In this embodiment, the metal shaft 2 is a stainless steel shaft, and the number of radial through holes 2.1 is one. Preferably, the diameters of the axial central hole 2.1 and the radial through hole 2.2 are equal, e...

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PUM

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Abstract

A composite rack structure comprises a plastic rack and a metal shaft, wherein the end, connected with the plastic rack, of the metal shaft is provided with an axial central hole and a radial through hole, and one end of the plastic rack and one end of the metal shaft are fixedly connected together through the central hole and the radial through hole in an injection molding mode. The composite rack structure has the advantages that one end of the plastic rack is fixedly connected with one end of the metal shaft through an injection molding process, the characteristic that a traditional plastic metal composite structure is manufactured by adopting a metal insert process is overturned, and the composite rack structure has the advantages of being high in structural reliability, miniaturized and low in cost.

Description

technical field [0001] The invention relates to a component of a transmission structure, in particular to a rack structure. Background technique [0002] As we all know, rack and pinion is an important transmission structure. Traditional racks include racks made of metal materials and racks made of non-metallic materials such as nylon. The racks made of these two materials have different advantages and disadvantages, and the applicable occasions are also different. There are also some traditional plastic-metal composite structures that use the metal insert process, that is, the process of plastic wrapping metal, which is not conducive to miniaturization and low-cost manufacturing. [0003] Application No. 201410810950.0, Application Publication No. CN 104534057 A, the invention patent application document titled "A Timing Belt Gear, Its Rack and Rack and Its Preparation Method" discloses a rack and gear, which is characterized in that: [0004] "The raw material compositi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/26
CPCF16H55/26
Inventor 钭伟明郭刚祁二骆夏春晓
Owner GOLDCARD HIGH TECH