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Printing device

A printing device and printing head technology, applied in printing and other directions, can solve problems such as damage to the cover body and affecting the sealing effect of the cover body

Inactive Publication Date: 2008-12-10
BENQ CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] After the print head of a traditional printer enters the service station, the ink remaining in the orifice is scraped off by a wiper, and then the cap moves to cover the orifice However, when the cover body covers the ink jet hole, the print head is still moving, so the print head and the cover body will interfere, which will affect the sealing effect of the cover body and even cause damage to the cover body

Method used

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Experimental program
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Embodiment Construction

[0020] figure 1 It is a schematic diagram of a preferred embodiment of the inkjet head and cover mechanism of the printing device of the present invention. The printing device of the present invention includes a printing head 10 , a cover module 20 , a positioning module 30 , a first biasing member 40 and a second biasing member 50 . The print head 10 includes a first guide 12 . The cover module 20 includes a body 22 , a cover 24 , a biasing portion 25 , a cover base 26 , a second guide 27 and a positioning hole 28 . The positioning module 30 includes a positioning pin 32 , a pushing portion 34 and a connecting portion 36 . The first and second biasing members 40, 50 are compression springs in this embodiment, wherein the first biasing member 40 is biased on the biasing portion 25 of the cover module 30, and the second biasing member 50 is biased on the positioning The connecting portion 36 of the module 30 . FIG. 2 is a schematic diagram of the cover module 20 . In the c...

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PUM

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Abstract

A printing device includes a print head, a cover module and a positioning module. The print head has an inkjet hole, the cover module includes a cover and a positioning hole, and the positioning module includes a positioning pin. When the print head moves in a first direction and pushes the positioning module, the positioning pins are separated from the positioning holes, so that the cover module moves in a second direction to cover the inkjet holes. When the print head moves along the first direction, When the cover module is moved in the opposite direction to push the cover module, the positioning pin can be re-engaged in the positioning hole to maintain a predetermined distance between the cover module and the print head. The print head also has a first guide, and the cover module also includes a second guide. When the print head moves in a direction opposite to the first direction, the first guide pushes the second guide. parts, so that the positioning pins fit into the positioning holes, and the first guide part and the second guide part have slopes. This design allows the cover of the print head to cover the print head only after the print head reaches its position, thereby avoiding interference between the cover and the print head, ensuring the sealing effect between the cover and the print head, and extending the life of the cover mechanism.

Description

technical field [0001] The invention relates to a printing device, in particular to a printing device which can avoid the interference between the cover body of the printing head and the printing head. Background technique [0002] After the print head of a traditional printer enters the service station, the ink remaining in the orifice is scraped off by a wiper, and then the cap moves to cover the orifice However, when the cover is covering the ink jet hole, the print head is still moving, so the print head and the cover will interfere, which will affect the sealing effect of the cover and even cause damage to the cover. Contents of the invention [0003] The purpose of the present invention is to provide a cover that can be positioned instantly, so that the print head will not interfere with the cover when moving, so as to prolong the life of the cover mechanism. [0004] A preferred embodiment of the printing device of the present invention includes a printing head, a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/165B41J2/175B41J2/145
Inventor 周鹏
Owner BENQ CORP