JP3209611U - ink cartridge - Google Patents

Abstract

An ink cartridge capable of preventing rotation of an ink cartridge when a carriage is moved and communicating with a stable printing apparatus is provided. A housing including an ink containing chamber for containing ink and having an ink supply port on a bottom surface, an engaging portion that can be engaged with a printing device side engaging portion of the printing apparatus, and printing of the printing apparatus. In the ink cartridge 1 provided with the circuit board 34 that is in electrical contact with the circuit board on the apparatus side and communicates with the printing apparatus, the engaging portion 31 is horizontal when the ink cartridge 1 is mounted on the printing apparatus. The engaging portion 32 and a pair of vertical engaging portions 33 are provided, the horizontal engaging portion 32 engages with a part of the lower surface of the printing apparatus side engaging portion, and the pair of vertical engaging portions 33 is printed. A configuration is adopted in which both side surfaces of the device side engaging portion are clamped from the outside. [Selection] Figure 1

Description

  The present invention relates to an ink cartridge mounted on an ink jet printer, and more particularly to an ink cartridge provided with an engagement portion that engages with a printer-side engagement portion.

Some printing apparatuses are called an ink jet system that performs recording on a recording medium by ejecting ink that is a recording liquid from a printing mechanism (head). In an ink jet printing apparatus, as a method for supplying ink to a printing mechanism, a method in which a replaceable ink cartridge is detachably mounted and ink is directly supplied to the printing mechanism from an ink discharge port is known.

  In addition, it is known that an ink cartridge used in an ink jet type printing apparatus includes a locking portion for locking to a holder of the printing device, and the ink cartridge is kept attached by locking the holder and the locking portion. (For example, Patent Document 1).

JP 2014-65309 A

  However, in the above-mentioned patent document, since the engaging portion that engages with the holder is small, the rotational force acts on the ink cartridge around the ink supply port when the carriage is moved, and the circuit board of the ink cartridge and the circuit board on the printing apparatus side There is a problem in that poor electrical contact with the printing apparatus occurs, causing problems in communication with the printing apparatus.

  Therefore, it is necessary to prevent the ink cartridge from rotating even when the carriage is moved. As a result of earnest research, the present invention has been completed. An object of the present invention is to provide an ink cartridge that can prevent rotation of an ink cartridge when a carriage is moved and can stably communicate with a printing apparatus.

  This object is achieved by a combination of features described in the independent claims in the claims for utility model registration. The dependent claims define further advantageous specific examples of the present invention.

  That is, a first device of the present invention includes a housing that includes an ink storage chamber that stores ink and includes an ink supply port on a bottom surface, and an engagement portion that can be engaged with a printing device side engagement portion of the printing device. A circuit board that electrically contacts the printing device side circuit board of the printing device and communicates with the printing device, wherein the ink cartridge is mounted on the printing device, The engaging portion includes a horizontal engaging portion and a pair of vertical engaging portions, and the horizontal engaging portion engages with a part of a lower surface of the printing apparatus side engaging portion, and the pair of vertical engaging portions The part is an ink cartridge characterized in that both side surfaces of the printing apparatus side engaging part are sandwiched from the outside.

An ink cartridge according to a first aspect of the present invention includes a housing that includes an ink storage chamber that stores ink and includes an ink supply port on a bottom surface, and an engagement that can be engaged with a printing device side engagement portion of the printing device. And a circuit board that is in electrical contact with the printing apparatus side circuit board of the printing apparatus and communicates with the printing apparatus, the ink cartridge being engaged in a state in which the ink cartridge is mounted on the printing apparatus The portion includes a horizontal engagement portion and a pair of vertical engagement portions, the horizontal engagement portion engages with a part of the lower surface of the printing device side engagement portion, and the pair of vertical engagement portions Both side surfaces of the side engaging portion are sandwiched from the outside. Since the present invention has the above-described configuration, it is possible to suppress the rotation of the ink cartridge when the carriage moves and to stabilize the communication between the ink cartridge and the printing apparatus.

1 is an ink cartridge according to an embodiment of the present invention. FIG. 2 is a front view of the ink cartridge of FIG. 1.

  An embodiment of the present invention will be described with reference to the drawings. However, the present invention is not limited to this example, and can be appropriately selected.

  As shown in FIGS. 1 and 2, the ink cartridge 1 of the present embodiment includes a housing 10 that includes an ink storage chamber that stores ink and includes an ink supply port 21 on a bottom surface, and a printing apparatus (not shown). An engagement portion 31 that can be engaged with a printing device side engagement portion (not shown) and a circuit that makes electrical contact with a printing device side circuit board (not shown) of the printing device and communicates with the printing device. In the state in which the ink cartridge 1 is mounted on the printing apparatus, the engaging portion 31 includes a horizontal engaging portion 32 and a pair of vertical engaging portions 33 and 33, and a horizontal plate. The engaging portion 32 is engaged with a part of the lower surface of the printing device side engaging portion, and the pair of vertical engaging portions 33, 33 are configured to sandwich both side surfaces of the printing device side engaging portion from the outside. ing.

  Further, it is desirable that the housing 10 includes at least the inner case 20 and the outer case 30, and the engaging portion 31 is provided in the outer case 30. With this configuration, when it is necessary to change the shape of the engaging portion 31, it is only necessary to change the outer case 30 without changing the inner case 20, and thus manufacturing costs can be reduced. The circuit board 34 is also provided in the outer case 30, so that the same effect as in the case of the engaging portion 31 can be obtained.

  Assuming that the front surface 11 of the side surface of the housing 10 is the upper surface of the inclined surface 12 on which the circuit board 34 is provided, the engaging portion 31 is a concave portion provided on the front surface 11. Is configured to enter.

  The horizontal engaging portion 32 of the engaging portion 31 is a bottom portion of the engaging portion 31, and when the ink cartridge 1 is pushed in from the upper side and attached to the printing device, the horizontal engaging portion 32 is a convex printing device side engaging portion. By engaging with the lower surface of the engaging portion on the printing apparatus side, the engagement with the printing apparatus is maintained and the vertical movement of the ink cartridge 1 is suppressed, so that the ink cartridge 1 and the printing apparatus are more Communication with can be stabilized.

  The pair of vertical engaging portions 33, 33 of the engaging portion 31 are both side surface portions of the engaging portion 31 extending in the vertical direction, and when the ink cartridge 1 is pushed in from the upper side and attached to the printing device, the pair of vertical engaging portions. Even after the joint portions 33, 33 move while contacting both side surfaces of the convex printing device side engaging portion and the horizontal engaging portion 32 enters and engages below the convex printing device side engaging portion. The pair of vertical engaging portions 33, 33 sandwich both side surfaces of the convex printing device side engaging portion.

  When the ink cartridge 1 is removed, the engagement between the printing device side engaging portion and the horizontal engaging portion 32 is released by pushing and rotating the lever of the printing device side engaging portion. At this time, if the distance between the printing device side engaging portion and the housing 10 is short, the printing device side engaging portion collides with the housing 10 during the rotation, and the printing device side engaging portion and the horizontal engaging portion 32 May not be disengaged. In order to prevent this, the movable portion 35 is provided on the front surface 11 side of the housing 10, and the movable portion 35 is deformed even if the movable portion 35 hits the movable portion 35 when the printing device side engaging portion rotates. The rotation can be prevented.

DESCRIPTION OF SYMBOLS 1 ... Ink cartridge 10 ... Housing 20 ... Inner case 21 ... Ink supply port 30 ... Outer case 31 ... Engagement part 32 ... Horizontal engagement part 33 ... Vertical engagement part 34 ... Circuit board 35 ... Movable part

Claims (1)

A housing including an ink containing chamber for containing ink and having an ink supply port on a bottom surface; an engaging portion engageable with a printing device side engaging portion of the printing device; and a printing device side circuit board of the printing device. A circuit board that is in electrical contact and communicates with the printing device, and an ink cartridge comprising:
In a state where the ink cartridge is mounted on the printing apparatus, the engagement portion includes a horizontal engagement portion and a pair of vertical engagement portions, and the horizontal engagement portion is formed on a lower surface of the printing device side engagement portion. The ink cartridge according to claim 1, wherein the ink cartridge is engaged with a part, and the pair of vertical engagement portions sandwich both side surfaces of the printing apparatus side engagement portion from the outside.

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