a multilayer gear
A gear-integrated technology, applied in belts/chains/gears, components with teeth, portable lifting devices, etc., can solve the problems of complex design and installation structure of the paper outlet gears, avoid quality problems, and achieve uniform force , The effect of simplifying the assembly process
Inactive Publication Date: 2016-10-19
东莞市精确电子科技有限公司
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Problems solved by technology
[0003] The invention proposes a multi-layer gear, which solves the problem of complex design and installation structure of the existing paper outlet gear, simplifies the assembly process, and saves the cost
Method used
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[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0029] Such as figure 1 As shown, the multi-layer gear proposed by the present invention includes at least two parallel gears whose central axes coincide with each other. In this preferred embodiment, two gears are taken as an example to illustrate the multi-layer gear structure of the present invention; the multi-layer gear is shown in Fig. The first gear 2 and the second gear 3 shown; figure 2 As shown, a central hole 23 is opened in the center of the first gear 2 and the second gear 3; since the external teeth of the gears adop...
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The invention provides a multi-layer gear, solving the problem that the current paper outlet gear is complex in design and installing structure. The multi-layer gear comprises at least two parallel first gears and second gears, wherein the central shafts of the first gears and the second gears are overlapped, and central holes are formed at the centers of the first gear and the second gear; two positioning grooves are uniformly arranged outside external rings of the first gear and the second gear; a shaft sleeve passes through the central holes to fixedly integrally connect the first gear and the second gear in parallel; the shaft sleeve is integrally formed through an injection molding technology; and the first gear and the second gear are integrally fixedly connected through the injection molding technology; a fixing hole is also formed at the middle of the shaft sleeve; and a sunken groove is arranged at one end of the shaft sleeve. According to the multi-layer gear, an injection molding port of the injection molding technology can be placed into the sunken groove, so that the problem due to the installation process of the multi-layer can be avoided; and the problem of paper blocking caused by impacting and overlapping among the injection molding ports during use can be avoided as well.
Description
technical field [0001] The invention relates to the field of printers, in particular to a multi-layer gear used for paper output from a printer. Background technique [0002] Gears are frequently used components in the mechanical field. On the paper output mechanism of the printer, the paper is also brought out through the friction between the gear unit and the paper. But the gears on existing printers such as figure 1 As shown, it is a single-layer gear, and the single-layer gear 1 includes a shaft sleeve 10' and a star gear 14', wherein the star gear 14' is fixed in the middle of the shaft sleeve 10', and a central hole 15' is arranged on the shaft sleeve 10'. The star gear unit is fixed at the paper outlet of the printer to increase the friction of paper output. In order to balance the stress on the paper and avoid wrinkles when the paper is discharged, more such star gear units need to be provided, but this design will increase the assembly and manufacturing costs. Mo...
Claims
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IPC IPC(8): F16H55/17B41J11/00
Inventor 赵侦祥
Owner 东莞市精确电子科技有限公司