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Flexible membrane mechanism, flow path member, liquid ejecting apparatus, and control method

A control method and membrane technology, applied to control valves, valve devices, engine components, etc., can solve the problems of large-scale and high cost

Inactive Publication Date: 2018-10-23
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, as a pressure-feeding unit such as a pump for pressurizing the liquid that presses the pressure-receiving part, a device with a high pressurization capability or a large-scale device is required, and there are problems of increase in size and cost.

Method used

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  • Flexible membrane mechanism, flow path member, liquid ejecting apparatus, and control method
  • Flexible membrane mechanism, flow path member, liquid ejecting apparatus, and control method
  • Flexible membrane mechanism, flow path member, liquid ejecting apparatus, and control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0054] figure 1 It is a diagram showing the configuration of the liquid ejecting device according to Embodiment 1 of the present invention. The liquid ejecting device 100 of the present embodiment is an inkjet recording device that ejects liquid ink onto a medium 12 . As the medium 12, paper, a resin film, cloth, etc. are mentioned, for example.

[0055] In the liquid ejecting device 100, a liquid container 14 storing ink is fixed. Examples of the liquid container 14 include an ink cartridge detachable from the liquid ejecting device 100 , a pouch-shaped ink bag made of a flexible film, an ink tank capable of replenishing ink, and the like. In addition, although not particularly illustrated, a plurality of types of inks of different colors or types may be stored in the liquid container 14 .

[0056] Furthermore, the liquid ejecting device 100 includes a control unit 20 as a control unit, a transport mechanism 22 , and a liquid ejecting head 24 .

[0057] Although not parti...

Embodiment approach 2

[0143] Figure 17 It is a cross-sectional view of main parts of the flow channel unit according to Embodiment 2 of the present invention, and is represented by Figure 5 The sectional view based on the B-B' line. In addition, the same code|symbol is attached|subjected to the same member as the above-mentioned embodiment, and overlapping description is abbreviate|omitted.

[0144] In this embodiment, in the central portion of the flexible film 83 in the Y direction, the Figure 6 Likewise, a second region 871 is formed.

[0145] In contrast to this, as Figure 17 As shown, at both ends of the flexible film 83 in the Y direction, by making the thickness t1 of the first connecting portion 853 thicker than Figure 6 The thickness t2 of the central portion is shown, thereby forming a first region 870 . That is, in the present embodiment, the protruding portion 850 is provided so as to have the same protruding amount across the circumferential direction of the contact portion 8...

Embodiment approach 3

[0150] Figure 18 It is a cross-sectional view of main parts of the flow channel unit according to Embodiment 3 of the present invention, and is represented by Figure 5 The C-C' line is the reference cross-sectional view. In addition, the same code|symbol is attached|subjected to the same member as the above-mentioned embodiment, and overlapping description is abbreviate|omitted.

[0151] Such as Figure 18 As shown, the spacer 82 is provided with a restricting portion 822 protruding into the penetrating portion 821 , that is, into the control chamber RC. The restriction|limiting part 822 is provided so that it may protrude toward the center part in the Y direction from both end parts in the Y direction of control chamber RC. That is, the restricting portion 822 is provided so as to protrude toward the center portion in the Y direction from both wall surfaces of the penetration portion 821 in the Y direction, and is not formed on the wall surface of the penetration portion...

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Abstract

The invention provides a flexible membrane mechanism capable of pressing a valve of a valve mechanism with a small force to allow the valve to function, a flow path member, a liquid ejecting apparatus, and a control method. There is provided a flexible membrane mechanism (80) for a valve mechanism (7). The flexible membrane mechanism (80) includes: a lid member (81); a flexible membrane (83) thatforms a space (R3) between the lid member (81) and the flexible membrane (83); and a fluid flow path (75) that communicates with the space (R3), in which the flexible membrane (83) is configured to deform such that a valve (B[1]) of the valve mechanism (70) is opened and closed, in which the flexible membrane includes a protrusion portion (850) projecting and sinking toward the lid member (81), and in which the flexible membrane includes an easily-deformable region (871) and a little-deformable region (870) each outside a portion which is configured to be brought into contact with the valve mechanism (70).

Description

technical field [0001] The present invention relates to a flexible membrane mechanism used in a valve mechanism and used for opening and closing of a valve, a flow channel member with a flexible membrane mechanism, a liquid injection device with a flexible membrane mechanism, a flexible membrane mechanism for a valve mechanism Sex film control methods. Background technique [0002] The liquid ejecting device includes a liquid ejecting head that ejects, as liquid droplets, liquid such as ink supplied from a liquid storage unit such as an ink tank, from a plurality of nozzles due to a change in pressure of a pressure generating unit. . In addition, a structure provided with a pressure regulating valve that opens the valve by making the flow path on the downstream side a negative pressure in the middle of the flow path so that the ink supplied from the liquid storage unit Such liquid is supplied to the liquid ejection head at a predetermined pressure (for example, refer to Pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/14B41J2/01
CPCB41J2/01B41J2/14B41J2/175B41J2/17509B41J2002/14419F16K15/18B41J2/19B41J2/14233B41J2/055
Inventor 山岸健
Owner SEIKO EPSON CORP
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