A paper feeding box includes a cover, a carton and a paper blocking mechanism. The carton is provided with a cavity to hold paper, and the cavity is connected with a printing head. One end of the carton away from the printing head is provided with an opening. The carton cover can close the opening. The paper blocking mechanism includes a paper blocking part and an elastic part. The paper blocking part is pivoted to the side wall of the cavity. The two ends of the elastic part are respectively connected with the side wall and the paper blocking part of the carton, and the paper blocking part is made to block. The paper piece is attached to the bottom wall of the cavity, and the end of the paper block near the opening is provided with at least one pressure bearing part. When the cover closes the box, it can resist the pressure bearing part and drive the paper block piece to rotate so as to expose the print head and connect it with the opening. The structure of the paper feeding box is simple, and it can effectively prevent the paper from entering the printing head caused by wrong operation, thus improving the reliability of printing.
【技术实现步骤摘要】
进纸匣
本专利技术涉及一种进纸匣。
技术介绍
现打印机通常采用人工装纸,但人工难以控制纸张在进纸匣内的深度,经常会将纸张塞入过深,甚至塞入打印头,这将导致打印卡纸等问题。
技术实现思路
鉴于上述状况,有必要提供一种防止纸张塞入打印头的进纸匣。一种进纸匣,包括匣盖和纸匣,该纸匣设置一腔体以容置纸张,且该腔体连通一打印头,该纸匣背离该打印头的一端设有与该腔体连通的开口,该匣盖能够扣合于该纸匣上以封闭该开口,该进纸匣还包括设于该腔体内的挡纸机构,该挡纸机构包括挡纸件和至少一个弹性件,该挡纸件枢接于该腔体的侧壁,该弹性件的两端分别与该纸匣的侧壁和该挡纸件连接,且使该挡纸件贴合于该腔体的底壁以隔离该打印头和该开口,该挡纸件靠近该开口的一端设有至少一个承压部,该匣盖扣合该纸匣时能够抵压该承压部上并带动该挡纸件旋转以露出打印头使其与该开口连通。上述进纸匣设置该挡纸机构,利用该弹性件驱使该挡纸件与该腔体的底壁贴合以分隔该打印头和该开口,该纸张从该开口装入受该挡纸件止挡不能进入该打印头内,避免了卡纸等问题。当该匣盖扣合该纸匣时能够抵压该承压部并带动该挡纸件旋转以露出该打印头且使其与该开口连通,该纸张能够顺利进入该打印头以进行打印。该进纸匣的结构简单,且有效阻止错误操作导致的该纸张进入该打印头,提高了打印的可靠性。附图说明图1是本专利技术一实施例中进纸匣当匣盖开启时的示意图。图2是图1所示的进纸匣当匣盖关闭时的示意图。图3是图1所示的进纸匣的转轴、弹性件、支撑件和挡纸件的立体组装示意图。图4是图1所示的进纸匣的挡纸件的示意图。图5是本专利技术另一实施例中进纸匣当匣盖开启时的示意图 ...
【技术保护点】
1.一种进纸匣,包括匣盖和纸匣,该纸匣设置一腔体以容置纸张,且该腔体连通一打印头,该纸匣背离该打印头的一端设有与该腔体连通的开口,该匣盖能够扣合于该纸匣上以封闭该开口,其特征在于:该进纸匣还包括设于该腔体内的挡纸机构,该挡纸机构包括挡纸件和至少一个弹性件,该挡纸件枢接于该腔体的侧壁,该弹性件的两端分别与该纸匣的侧壁和该挡纸件连接,且使该挡纸件贴合于该腔体的底壁以隔离该打印头和该开口,该挡纸件靠近该开口的一端设有至少一个承压部,该匣盖扣合该纸匣时能够抵压该承压部上并带动该挡纸件旋转以露出打印头使其与该开口连通。
【技术特征摘要】
1.一种进纸匣,包括匣盖和纸匣,该纸匣设置一腔体以容置纸张,且该腔体连通一打印头,该纸匣背离该打印头的一端设有与该腔体连通的开口,该匣盖能够扣合于该纸匣上以封闭该开口,其特征在于:该进纸匣还包括设于该腔体内的挡纸机构,该挡纸机构包括挡纸件和至少一个弹性件,该挡纸件枢接于该腔体的侧壁,该弹性件的两端分别与该纸匣的侧壁和该挡纸件连接,且使该挡纸件贴合于该腔体的底壁以隔离该打印头和该开口,该挡纸件靠近该开口的一端设有至少一个承压部,该匣盖扣合该纸匣时能够抵压该承压部上并带动该挡纸件旋转以露出打印头使其与该开口连通。2.如权利要求1所述的进纸匣,其特征在于:该弹性件为扭簧。3.如权利要求2所述的进纸匣,其特征在于:该挡纸机构还包括一转轴,该转轴设置于该侧壁上,该挡纸件转动地设置于该转轴上,该弹性件套设于该转轴上,且其两端分别抵持于该挡纸件和该侧壁上。4.如权利要求3所述的进纸匣,其特征在于:该挡纸机构还包括一支撑件,该支撑件设置于该侧壁上,该转轴设置于该...
【专利技术属性】
技术研发人员:林培仁,杨馥绫,
申请(专利权)人:全亿大科技佛山有限公司,
类型:发明
国别省市:广东,44
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