JP2010042615A - Opening and closing device of cover member - Google Patents

Abstract

[PROBLEMS] To reduce deformation at the time of closing even though the cover member 32 is a thin plate.
When a cover member is in a closed posture, a pressure contact force W that presses an upward convex curved surface of a main engagement portion of a cover member with a lower surface of a pressing portion of a pressure contact body is equal to a blocking component. It is comprised from the flexible component F2. The component F <b> 1 is set so that a moment in the direction in which the cover member closes acts on the pivotal support portion 36 at the base end of the cover member 32. If the direction of the component F1 of the pressing force W is set so that the moment in the direction in which the free end side of the cover member 32 closes the opening 35 of the cartridge housing portion 15 acts, the cover member 32 in the closed posture is inadvertently used. Never open. The F2 component urges the cover member 32 to bend toward the pivotally supported side, but the main engaging portion is restrained by fitting with the auxiliary engaging portion 42 and the auxiliary fitting portion 44. It is possible to reliably prevent 41 from being displaced in the proximal direction of the cover member 32.
[Selection] Figure 11

Description

  The present invention relates to a structure of an opening / closing device for a cover member that opens and closes an opening of a storage case for storing a storage body, and more specifically, ink as a storage body stored in an inkjet recording apparatus (inkjet printer). The present invention relates to a structure of a cover member opening / closing device in a cartridge storage device (refill unit) or the like.

In general, a cover member (door body or opening / closing member) for opening and closing an operation key arrangement portion of an operation panel as a storage body in an electronic apparatus device, for example, an image forming apparatus, is disclosed in Patent Document 1 as an apparatus main body. Since it constitutes a part of the outer casing, it is often made of a thin resin plate.

On the other hand, in order to maintain the closed posture of this type of cover member, a lock portion is provided on the free end side of the cover member and the apparatus main body. Furthermore, an open / close detection mechanism for detecting the open / closed state of the cover member is provided on the apparatus main body side, and at the closed position, a protrusion protruding from the inner surface of the free end side of the cover member is engaged with the open / close detection mechanism. There are many types to do.

And as patent document 2, there exist some which employ | adopted the rubber switch for turning ON / OFF electrical coupling as an opening-and-closing detection mechanism. In this type of rubber switch, a biasing means such as a coil spring is required to apply a large pressing force in order to maintain the switch ON state.
JP 2007-281955 A (see FIG. 2) Japanese Patent Laying-Open No. 2006-156159 (see FIG. 4)

By the way, in order to increase the rigidity of the cover member and to improve the appearance, it is desirable to integrally form a plurality of ribs on the wide surface of the inner surface of the cover member. In many cases, the storage body such as the array portion is located near the outer surface of the apparatus main body. When a plurality of rib strips are provided on the inner surface of the cover member, in order to prevent the rib strips from interfering with the surface of the storage body in a state in which the cover member is closed, the cover member is increased by the height of the rib strips. If the outer surface of the device main body and the outer surface of the cover member are formed so as to be substantially the same surface, the entire device main body becomes large and the amount of material used Will also increase.

In order to avoid this, as disclosed in Patent Document 1, many ribs are integrally formed on the three sides of the periphery of the cover member excluding the rotation base end side.

  However, in the above configuration, the following problems occur as a result of not obtaining the required rigidity. That is, when a large pressing force of the open / close detection mechanism at the time of closing acts on the protrusion on the inner surface on the free end side of the cover member that is a thin plate, the thin plate portion of the cover member at the time of closing is opposite to the protruding direction of the protrusion. Deforms to swell (bend). Due to this deformation, the lock portion with the device main body at the time of closing is unintentionally released, an unnatural gap is generated between the side edge of the cover member and the device main body, or an open / close detection mechanism There has been a problem such as incomplete detection of ON / OFF.

  The present invention has been made to solve these problems, and although it is a thin cover member, the deformation at the time of closing is small, and the ON / OFF detection accuracy by the open / close detection mechanism can be accurately performed. An object of the present invention is to provide a cover member opening and closing device.

  In order to achieve the above object, a cover member opening and closing device according to claim 1 is characterized in that a storage case portion having an opening through which a storage body can be inserted and removed, and one end side pivotally supported by the storage case portion. A cover member rotatable between an opening posture for opening the opening of the case portion and a closing posture for closing, and an open / close detection mechanism provided in the storage case portion for detecting an open / closed state of the cover member The free other end side of the cover member is engaged with and disengaged from a main engagement portion engaged with and disengaged from the open / close detection mechanism and an auxiliary fitting portion provided in the storage case portion, An auxiliary engagement portion that prevents the displacement of the cover member, and when the cover member is in a closed posture, the press contact body of the open / close detection mechanism with respect to the main engagement portion is configured to close the cover member by the press contact force. Will cause a moment to urge Those that are configured.

  According to a second aspect of the present invention, in the cover member opening and closing device according to the first aspect, the pressure contact force includes a closing component that urges the cover member in a closing direction, and the cover member faces the one end side. The auxiliary engagement part is configured to prevent the cover member from being bent by the flexible component.

  According to a third aspect of the present invention, in the cover member opening and closing device according to the first or second aspect, the open / close detection mechanism is configured such that the press contact body is engaged with the main engagement portion when the cover member is closed. In addition, it is configured to have a click feeling.

  According to a fourth aspect of the present invention, in the opening / closing device for a cover member according to any one of the first to third aspects, the pressure contact body in the open / close detection mechanism is a rubber switch portion for turning on / off electrical coupling. Is configured to be in an ON state or an OFF state, and the opening / closing detection mechanism is provided with an urging means for urging the rubber switch portion to an ON state at all times.

  According to a fifth aspect of the present invention, in the cover member opening and closing device according to any one of the first to fourth aspects, the cover member constitutes a part of an exterior of the apparatus main body.

According to a sixth aspect of the present invention, in the cover member opening and closing device according to any one of the first to fifth aspects, the storage body is an ink cartridge, and the storage case portion faces the opening. A connecting body having an ink introduction port for an ink supply connection portion in the ink cartridge on the side, and a lower end portion of the cover member is pivotally supported by the storage case portion,
The opening / closing detection mechanism is provided on the top plate side of the storage case portion.

  In the configuration of the invention described in claim 1, the free end side of the cover member for closing the opening portion of the storage case portion is provided with a main engagement portion that engages and disengages with the opening / closing detection mechanism, and the storage case portion. An auxiliary engagement portion that is engaged with and disengaged from the provided auxiliary fitting portion and prevents a displacement of the free other end side of the cover member, and the opening / closing detection with respect to the main engagement portion when the cover member is closed The pressure contact body of the mechanism is configured such that the direction of the pressure contact force generates a moment that biases the cover member in the closing direction. Accordingly, since the moment in the direction in which the free end side of the cover member closes the opening of the cartridge housing portion acts on the direction of the pressure contact force, the cover member in the closed posture does not open carelessly. In addition, since the auxiliary engaging portion of the cover member is fitted and engaged with the auxiliary fitting portion on the storage case portion side to prevent the displacement of the free other end side of the cover member, The fact that the main engagement portion is displaced in the base end direction of the cover member due to the pressing force of the body against the main engagement portion toward the base end direction of the cover member, the auxiliary engagement portion and the auxiliary fitting portion It is reliably prevented by the restraint by fitting.

  Therefore, the positional deviation on the free end side of the cover member is surely prevented, and even if the cover member is a thin plate, the bending deformation does not occur. Accordingly, the cover member in the closed posture is free from deformation such that a gap is formed on the free end side and the left and right side edges with respect to the opening, and can sufficiently serve as an exterior of the apparatus main body. Further, as described above, since the deformation of the free end side of the cover member does not occur, the pressure contact force of the main engagement portion with respect to the lower surface of the pressing portion of the pressure contact body becomes weak or the pressure contact body is not sufficiently pushed up. Since such a positional shift does not occur, the detection accuracy of the open / close detection mechanism is not deteriorated.

  Hereinafter, the present invention will be described in detail based on preferred embodiments with appropriate reference to the drawings.

  FIG. 1 is an external perspective view of an image recording apparatus (multifunctional device) according to an embodiment of the present invention, and is a perspective view showing a state in which a cover body on the front surface of a cartridge housing portion is closed. FIG. FIG. 3 is an enlarged perspective view of the main part of the cartridge housing portion with the cover body opened, and FIG. 4 is a schematic side sectional view of the recording portion and the paper feeding portion.

  The image recording apparatus 1 according to the present embodiment is an application of the present invention to a multi-function device (MFD) having a printer function, a copy function, a scanner function, and a facsimile function. This multi-function device is connected to an information processing device such as a computer (not shown), and based on image data and document data transmitted from the information processing device, an image or document is recorded on a recording sheet as a recording medium. Is to be recorded. This multi-function device can also be connected to an external device such as a digital camera and record image data output from the digital camera on a recording sheet.

  In the present embodiment, as shown in FIG. 1, a printer unit (not shown) is provided in an apparatus housing 2 made of synthetic resin. Then, a paper feed cassette 3 that can be inserted into and removed from a cassette housing portion (housing space) at the bottom of the device housing 2 through an insertion port 2a opened on the front side of the device housing 2 (substantially can be taken in and out in the horizontal direction). Is arranged. Hereinafter, the side having the insertion port 2a of the device housing 2 made of synthetic resin is referred to as a front side or a front side, and is referred to as a front side, a left side or a rear side (back side) of the device based on this. A slot portion 12 is provided on the front surface of the apparatus housing 2, and various kinds of storage media such as a memory card are loaded in the slot portion 12 to record image data and the like stored in the storage medium on a recording sheet. It is also possible.

  An image reading device (scanner unit) 10 for reading a document in a copy function or a facsimile function is disposed on the upper portion of the apparatus housing 2.

  An operation panel unit 14 including various operation buttons, a liquid crystal display unit, and the like is provided on the front side of the upper portion of the apparatus housing 2 in front of the image reading apparatus 10. On the front side of the apparatus housing 2, a cartridge storage unit 15, which will be described in detail later, is incorporated. The front surface side of the cartridge housing portion 15 is covered with a cover member 32 that can be opened and closed on the front side of the apparatus housing 2. Since the lower end (corresponding to one end of the claims) of the cover member 32 is pivotally supported by a pivot shaft provided at the lower portion of the cartridge storage portion 15, the cover member 32 rotates to rotate the apparatus housing 2. The front opening 35 is configured to be openable and closable. That is, the cover member 32, which will be described in detail later, has a posture (opening posture) in which the cartridge storage device 15 is exposed from the opening 35 on the front surface of the device housing 2 by lying down forward as shown in FIG. It is rotatable between a posture (closed posture) in which the portion 35 is closed and the cartridge storage device 15 is covered.

  On the upper surface of the image reading device 10, a placement glass plate (not shown) on which a document can be placed is provided, and an image scanner device for reading a document (CIS: Contact Image Sensor) (CIS) is provided below the placement glass plate. (Not shown) is provided so as to be capable of reciprocating in the main scanning direction (hereinafter referred to as Y-axis direction, see FIG. 1).

  The document cover body 13 covering the glass plate for placement described above has a hinge (not shown) at its rear end (right rear side in FIG. 1), and is attached to the image reading apparatus 10 through the hinge so as to be opened and closed freely. It has been.

  In the present embodiment, as shown in FIG. 4, the paper feed cassette 3 is a recording medium, for example, A4 size, letter size, legal size, postcard size, etc. A plurality of sheets are stacked (deposited) so as to extend in a direction (Y-axis direction in FIG. 1) orthogonal to the sub-scanning direction (hereinafter referred to as the X-axis direction).

  On the upper part of the paper feed cassette 3, an auxiliary cassette 3a for supplying a plurality of small-size sheets (not shown) is mounted so as to be movable in the X-axis direction. The space above the auxiliary cassette 3a in the insertion slot 2a is a discharge unit that can discharge the sheet on which the image is recorded by the recording unit 7.

  On the back side (left side in FIG. 4) of the paper feed cassette 3, an inclined separation plate 8 for paper separation is disposed. On the other hand, an arm 6a whose upper end is rotatable in the vertical direction is mounted on the apparatus housing 2 side. The paper feed roller 6 provided at the lower end of the arm 6a and the inclined separation plate 8 cooperate to make the paper P, which is a recording medium, accumulated in the paper feed cassette 3 and the auxiliary paper feed cassette 3a. Separately conveyed. The separated sheet P is fed to a recording unit 7 provided on the upper side (high position) behind the sheet feeding cassette 3 through a U-turn path (feeding path) 9 facing upward. The recording unit 7 includes a reciprocating carriage 5 on which an ink jet recording head 4 for realizing a printer function and the like is mounted.

  The recording unit 7 includes a horizontally long plate-shaped (plate-shaped) first guide member 22 and a second guide member 23 extending in the Y-axis direction (main scanning direction) perpendicular to the paper surface of FIG. A carriage 5 that is slidably supported (mounted) across 23 and configured to be able to reciprocate, and a carriage 5 on which the recording head 4 is mounted on the upper surface of the second guide member 23 to reciprocate. A timing belt as an endless belt wound around a pulley in parallel with it and a CR (carriage) motor for driving the timing belt (in the embodiment, a DC motor, but other motors such as a stepping motor may be used. )), A plate-like platen 26 that supports the paper P conveyed on the lower surface side of the recording head 4, and a main scanning direction of the carriage 5 arranged so as to extend along the main scanning direction. Position and comprises a tape scale (not shown) which is a component of an optical linear encoder for detecting the moving speed of the direction. Note that the first guide member 22 is disposed on the upstream side of the sheet transport direction in the direction in which the sheet P passes on the platen 26, and the second guide member 23 is disposed on the downstream side.

  In addition, a PF (Paper Feed) roller pair 27 is disposed on the upstream side of the conveyance with the platen 26 interposed therebetween, and the paper P is placed in a gap between the nozzle surface on the lower surface of the recording head 4 and the platen 26 by the PF roller pair 27. Be transported. On the downstream side of the platen 26, a spur 28b that is in contact with the upper surface of the paper P and a paper discharge roller 28a that is driven on the lower surface side are arranged, and the recorded paper P is conveyed to the paper discharge section.

  Next, the configuration of the cartridge storage unit 15 (an example of a storage case unit in the claims) will be described. The cartridge storage unit 15 is a rectangular box-shaped ink cartridge 30 (individual color, that is, black (BK) having a small area in plan view and high height, each storing four colors of ink for full-color recording. ), Cyan (C), magenta (M), and yellow (Y) ink) are housed inside a storage case body 31 that can be stored in a line along the Y-axis direction.

  As shown in FIGS. 5 (A), 5 (B) to 7 (A), and 7 (B), the connection body 33 as connection means attached to the rear end of the storage case main body 31 includes Corresponding to each ink cartridge 30, four needle (cylindrical) ink inlets (not shown) are provided, and each ink is connected via an ink tube 34 connected to the rear end of each ink inlet. Ink is supplied from the ink supply valve of the cartridge 30 to the ink jet recording head 4. In addition, when using more ink colors than four colors (six colors to eight colors, etc.), the ink cartridge 30 corresponding to the number of ink colors may be configured to be stored in the cartridge storage unit 15. The number of ink tubes 34 may be increased in accordance with the number of ink cartridges 30.

  As described above, the opening 35 is provided on the front surfaces of the cartridge storage unit 15 and the storage case main body 31. The cover member 32 can be opened and closed with respect to the opening 35, and when the cover member 32 is opened, the ink cartridge 30 can be detached from the front of the image recording apparatus 1. 1, 2, and 3, the opening 35 is located between the right side of the insertion port 2 a on the front surface of the apparatus body 2 and the right side plate 2 b (the right corner on the front side in FIG. 1). ing. Therefore, the cover member 32 in a state where the opening 35 is blocked constitutes a part of the exterior plate of the apparatus main body 2.

  A thin plate-like cover member 32 made of synthetic resin or the like is vertically rotated with respect to the front end and the lower end of the cartridge housing portion 15 via a pair of left and right horizontal shaft portions (pivot support portions) 36 formed at the lower end portion thereof. It is pivotally supported (see FIG. 3, FIG. 5 (A), FIG. 5 (B), etc.).

  Rib plates 32 a and 32 b are integrally formed on the left and right sides of the cover member 32. As shown in FIG. 1, when the cover member 32 is in the posture of closing the opening 35 (closed posture), the right rib plate 32 b abuts on the same plane as the right plate 2 b of the apparatus body 2. Further, the arc-shaped arm 37 extending from the right rib plate 32b can move back and forth along the inner surface side of the right plate 2b as the cover member 32 is opened and closed, and when the cover member 32 is fully opened ( A stopper 38 that prevents further rotation is provided at the free end (tip) of the arm 37 (when opened until it is substantially flush with the lower surface of the apparatus body 2).

  On the free end side of the rib plate 32c provided on the inner surface on the free end side of the cover member 32, an engaging claw 40, a main engaging portion 41, and a pair of boss-like auxiliary engaging portions 42 are integrated. Is formed. The pair of auxiliary engagement portions 42 are disposed at both ends of the cover member 32 in the Y-axis direction (width direction), and the engagement claws 40 and the main engagement portion 41 are located near the center of the cover member 32 in the width direction. Is arranged (see FIG. 3).

  On the front surface of the resin frame 43 formed in the upper position of the cartridge housing portion 15 on the apparatus main body 2 side, each auxiliary engagement portion 42 is fitted into and engaged with a laterally concave auxiliary fitting portion 44. Are formed (see FIGS. 3, 5A, and 5B).

  In FIG. 1, the upper end (free end) of the cover member 32 in the closed posture abuts on the front lower edge of the resin exterior plate 45 located on the right side of the panel plate 14 a of the operation panel unit 14. Therefore, the cover member 32 in the closed posture constitutes a part of the exterior.

[Open / close detection mechanism]
An open / close detection mechanism 46 of the present invention is disposed on the lower surface side of the exterior plate 45. More specifically, between the exterior plate 45 and the frame 43, a circuit board 47 as a component of the open / close detection mechanism 46, a movable part such as a rubber spring seat 48 for the rubber switch, a pressure contact body 49, and the like Support frames 50 are arranged in order from the bottom (see FIGS. 5A, 5B, 8, 10A, and 10B). The circuit board 47 is provided with a plurality of fixed contacts (not shown). A rubber spring seat 48 placed on the circuit board 47 includes a plurality of rubber springs 51 for a key switch in which a movable contact and a head are integrally formed, and a rubber spring 51a for an open / close detection switch of the cover member 32. In addition, a rubber spring 51b for detecting the open / closed state of the scanner unit 10 described above is provided. The combination of the circuit board 47 and the rubber spring seat 48 constitutes a plurality of rubber switch portions.

  As shown in FIGS. 8 and 9, a horizontal shaft 52 is integrally formed in the middle of the press contact body 49, and the horizontal shaft 52 is pivotally supported by a bearing 50 a of the support frame 50. Has been. Further, the bearing portion 49 a at one end of the press contact body 49 pivotally supports a connecting shaft 53 a formed at one end of the interlocking lever 53. A support shaft 53b in the middle of the interlocking lever 53 is rotatably supported by a bearing 50b of the support frame 50. The other end of the interlocking lever 53 extends so as to be able to contact the upper surface of a rubber spring 51a that detects opening and closing of the cover member 32 (see FIGS. 10A and 10B). Further, one end of the torsion spring 54 in which the coil portion is loosely fitted to the support shaft 53 b of the interlocking lever 53 is in contact with the lower surface of the support frame 50. The other end of the torsion spring 54 is in contact with the upper surface of the other end of the interlocking lever 53, and the other end of the interlocking lever 53 is urged so as to always press the upper surface of the rubber spring 51a. The torsion spring 54 is an example of an urging means referred to in the claims.

  A pressing portion 57 having a downward concave curved cross section is integrally formed at one end of the press contact body 49. On the other hand, the main engagement portion 41 provided on the free end side of the cover member 32 has an upward convex curved cross section in a side view (FIGS. 7A, 7B, and 10A). FIG. 10B). When the cover member 32 is in the open posture, as shown in FIGS. 7B and 10B, since the rubber spring 51a is pressed, the rubber switch portion is turned on and connected to the circuit board 47. It is determined by the control unit (not shown) that the cover member 32 is open. On the other hand, when the cover member 32 is in the closed position, as shown in FIGS. 7B and 10B, the upward convex curved surface of the main engagement portion 41 is the lower surface of the pressing portion 57 of the press contact body 49. Push up to fit. Accordingly, it is determined that the other end of the pressure contact body 49 faces downward, and the other end of the interlocking lever 53 is separated from the rubber spring 51a in conjunction with this, the rubber switch portion is turned OFF, and the cover member 32 is closed.

  As shown in FIGS. 7B and 10B, when the cover member 32 is in the closed posture, the main engagement portion 41 of the cover member 32 faces upward on the lower surface of the pressing portion 57 of the press contact body 49. The direction of the pressing force A (pressing direction) for pressing the convex curved surface is set so that a clockwise moment acts on the pivot portion 36 at the base end of the cover member 32. That is, a clockwise moment of (A × L1) acts on the vector action line of the pressure contact force A by the arm length L1 depending from the pivot portion. As described above, when the direction of the pressure contact force A is set so that the moment in the direction in which the free end side of the cover member 32 closes the opening 35 of the cartridge housing portion 15 acts, the cover member 32 in the closed posture is not prepared. Never open. In addition, since the auxiliary engaging portion 42 of the cover member 32 is fitted and engaged with the concave auxiliary fitting portion 44 on the front surface of the frame 43, even if the press contact body 49 is connected to the main engaging portion 41. Even if a bending stress or buckling stress is applied to the cover member 32 such that the free other end approaches the base end side (the pivotal support portion 36 side), the main engagement portion 41 remains at the base end of the cover member 32. The displacement in the direction is surely prevented by the restraint caused by the fitting between the auxiliary engaging portion 42 and the auxiliary fitting portion 44.

  Therefore, the position shift of the free end side of the cover member 32 is reliably prevented, and even if the cover member 32 is a thin plate, the bending deformation does not occur. Therefore, the cover member 32 in the closed posture is free from deformation such that a gap is formed between the free end side and the left and right side edges with respect to the opening 35, and can sufficiently serve as an exterior of the apparatus main body 2. Further, as described above, since the deformation of the free end side of the cover member 32 does not occur, the press contact force of the main engagement portion 41 against the lower surface of the press portion 57 of the press contact body 49 becomes weak or the press contact body 49 is pushed up. As a result, there is no positional deviation that is insufficient, so that the detection accuracy of the open / close detection mechanism 46 is not deteriorated.

  When the cover member 32 is rotated from the open posture to the closed posture, the pressing portion 57 of the press contact body 49 is once pushed up by the upward convex curved surface of the main engagement portion 41 and then the distal end side (press The feeling that the side having the portion 57) rotates by a slight angle in the original direction is the basis for generating the click feeling of the cover member 32. Further, the engagement claw 40 provided at the free end of the cover member 32 is engaged with the engagement portion 58 provided on the front surface of the frame 43, so that the click feeling and the posture maintaining action when the cover member 32 is closed are maintained. (See FIGS. 6A and 6B). However, the engaging claw 40 and the locking portion 58 are not essential constituent requirements of the present invention.

  A shaft 55 a in the middle of the detection lever 55 provided on the back side adjacent to the interlocking lever 53 is pivotally supported by a bearing of the support frame 50. One end of the detection lever 55 extends so as to face the upper surface of the rubber spring 51b, and the other end of the detection lever 55 extends so as to contact the detection unit 10a provided on the lower surface of the scanner unit 10 in a closed state. (See FIGS. 7A and 7B). Further, the rubber spring 51b is always urged by the detection lever 55 via a torsion spring 56 in which a coil portion is loosely fitted to the shaft 55a. Therefore, when the scanner unit 10 is in the closed state as shown in FIG. 1, the other end of the detection lever 55 is separated from the rubber spring 51b, so that the rubber switch unit is turned OFF and the control unit connected to the circuit board 47 is connected. Thus, it is determined that the scanner unit 10 is closed.

  In the embodiment, the cover member 32, the press contact body 49, the support frame 50, the interlocking lever 53, and the detection lever 55 are each an injection molded product made of resin.

  Further, as shown in FIG. 11, a blocking component in which the pressing force W by the pressing portion 57 of the pressing body 49 against the upward convex curved surface of the main engaging portion 41 biases the free other end side of the cover member 32 in the closing direction. It can be decomposed into a moment having F1 and a moment (referred to as arm length L2) having a flexible component F2 that urges the cover member 32 to bend toward the pivotally supported side.

  In this case, even when a bending stress is applied such that the free other end side of the cover member 32 approaches the pivotal support portion 36 due to the moment having the flexible component F2, the main engagement portion 41 moves in the proximal direction of the cover member 32. Therefore, the auxiliary engagement portion 42 and the auxiliary fitting portion 44 are reliably prevented from being displaced.

  In the present invention, when the ink cartridge 30 is applied as a storage body, the ink cartridge 30 is concealed by the cover member 32 in the closed posture, so that there is no possibility that the ink cartridge is inadvertently touched. There is no problem that the ink cartridge is carelessly removed.

  In the above embodiment, the two rotating members of the pressure contact body 49 and the interlocking lever 53 link the engagement / disengagement operation with respect to the main engagement portion 41 and the ON / OFF operation with respect to the corresponding rubber switch portion. These operations may be executed by a single pressure contact member 49. In that case, the position of the rotation fulcrum (horizontal axis 52) of the press contact body 49 may be set in front of the opening 35 rather than the pressing part 57. Furthermore, the concave / convex relationship between the auxiliary engagement portion 42 and the auxiliary fitting portion 44 may be set in the opposite manner to the above embodiment.

  As described above, when the opening / closing detection mechanism 46 is provided at a position adjacent to the operation panel unit 14, the rubber switch unit having the rubber spring constitutes the opening / closing detection mechanism 46, so that the rubber common to the switches of the operation panel unit is provided. As parts can be formed at the same time, an increase in manufacturing cost can be minimized.

  The present invention is not limited to the above-described embodiments, and various improvements and modifications can be made without departing from the gist of the present invention. For example, the present invention can also be applied to a structure in which an opening of a storage case main body of a cartridge storage device is formed on an upper surface and an in-cartridge is inserted from above. Further, the cover member 32 may be a metal thin plate other than the resin.

  Further, the present invention can be applied to a cover member opening / closing device of a storage case portion that stores various storage bodies in addition to an ink cartridge as a storage body.

1 is an external perspective view of a multifunction device according to an embodiment of the present invention. It is a front view of the state which opened the cover member. FIG. 5 is an enlarged perspective view of a main part of the cartridge storage unit with a cover member opened. It is a schematic sectional side view of a recording part and a paper feeding part. 2A is a cross-sectional view taken along the line VB-VB in FIG. 2 in a state where the cover member is opened, and FIG. 3B is a cross-sectional view of the cover member in a closed posture at the same cross-sectional location. (A) is the VIB-VIB arrow directional cross-sectional view of the state which opened the cover member, (B) is sectional drawing of the obstruction | occlusion attitude | position of the cover member in the same cross-sectional location. (A) is a sectional view taken along line VIIB-VIIB in FIG. 2 in a state in which the cover member is opened, and (B) is a sectional view of the closing posture of the cover member at the same sectional location. It is a disassembled perspective view of the components of an opening / closing detection mechanism. It is a top view of an open / close detection mechanism. (A) is sectional drawing which shows operation | movement of the opening / closing detection mechanism of the state which opened the cover member, (B) is sectional drawing which shows operation | movement of the opening / closing detection mechanism of the state which closed the cover member. The pressing force W by the pressing portion 57 of the pressing member 49 against the upward convex curved surface of the main engaging portion 41 has a moment having a closing component F1 that biases the free other end side of the cover member 32 in the closing direction, and the cover member 32. It is explanatory drawing which shows embodiment containing the moment which has the flexible component F2 which urges | biases so that it may bend toward the side currently supported.

Explanation of symbols

DESCRIPTION OF SYMBOLS 15 Ink cartridge accommodating part 30 Ink cartridge 31 Accommodating case main body 32 Cover member 35 Opening part 36 Pivoting part 41 Main engaging part 42 Auxiliary engaging part 44 Auxiliary fitting part 46 Opening / closing detection mechanism 47 Circuit board 48 Rubber spring sheet 49 Pressure contact body 52 Horizontal axis 53 Interlocking lever 54 Torsion spring

Claims (6)

A storage case having an opening through which the storage body can be inserted and removed;
One end side is pivotally supported by the storage case portion, and a cover member that is rotatable between an open posture that opens the opening of the storage case portion and a closed posture that closes,
An open / close detection mechanism provided in the storage case for detecting the open / closed state of the cover member;
The free other end side of the cover member is engaged with and disengaged from a main engagement portion engaged with and disengaged from the open / close detection mechanism and an auxiliary fitting portion provided in the storage case portion, so that the position of the free other end side is shifted. An auxiliary engagement portion for preventing
When the cover member is in the closed position, the press contact body of the open / close detection mechanism with respect to the main engagement portion is configured to generate a moment for urging the cover member in the closing direction by the press contact force. A cover member opening and closing device characterized by the above.   The pressure contact force is configured to generate a moment composed of a closing component that urges the cover member in a closing direction and a flexible component that urges the cover member to bend toward the one end side, The cover member opening and closing device according to claim 1, wherein the auxiliary engagement portion prevents the cover member from being bent by the flexible component.   3. The opening / closing detection mechanism is configured such that when the cover member is closed, the press contact body is engaged with the main engagement portion to have a click feeling. The cover member opening and closing device according to claim 1.   The pressure contact body in the open / close detection mechanism is configured to turn on or off a rubber switch unit for turning on / off electrical coupling, and the rubber switch unit is always on in the open / close detection mechanism. 4. The opening / closing device for a cover member according to claim 1, further comprising an urging means for urging the cover member.   The cover member opening and closing device according to claim 1, wherein the cover member constitutes a part of an exterior of the apparatus main body. The container is an ink cartridge,
The storage case portion includes a connection body having an ink introduction port for an ink supply connection portion in the ink cartridge on the side facing the opening.
The lower end portion of the cover member is pivotally supported by the storage case portion,
6. The cover member opening / closing device according to claim 1, wherein the opening / closing detection mechanism is provided on a top plate side of the storage case portion.

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