JP2018069690A - Liquid injection device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve a reduction in size of a device by appropriately arranging a power supply unit.SOLUTION: A liquid injection device comprises: a carriage moving in a device width direction while having a liquid injection section having nozzles capable of injecting liquid; a frame being positioned at a front side in a device depth direction with respect to a movement region of the carriage and extended in a movement direction of the carriage; and a power supply unit supplying electrical power at the time of drive of driving objects including the carriage. The frame comprises: a first frame section supporting the carriage from a lower side; and a second frame section rising upward from the first frame section. The second frame section comprises an escape section escaping toward the device depth direction from a rising position from the first frame section. The power supply unit is arranged at a position being a device front side with respect to the second frame section in the device depth direction and corresponding to the escape section.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a liquid ejecting apparatus that ejects liquid.

  In Patent Document 1, in a recording apparatus including a transport unit that transports a medium, a mechanism unit that includes a recording unit that records on the medium, and a main board on which electronic components for controlling the mechanism unit are mounted. There is disclosed a configuration in which a main substrate is disposed in a gap between a bottom portion of a device main body and a mechanism portion in a mechanism component arrangement area in which a mechanical component constituting the mechanism portion in the device main body is disposed. As a result, the main board is arranged in the gap between the bottom of the apparatus main body and the mechanism part in the mechanical component arrangement area, thereby reducing the size of the apparatus compared to the configuration in which the main board is arranged outside the mechanical component arrangement area. It is possible.

JP 2014-014943 A

Incidentally, in an ink jet printer, a power supply unit (regulator) that supplies power to a power source such as a motor is disposed. Since the power supply unit requires a large arrangement space, it greatly affects the dimensions of the apparatus.
In conventional inkjet printers, the inlet for inserting and removing the power plug is provided on the back side of the apparatus and closer to the side of the apparatus, so that the power supply unit is often provided at the same position. The size of the apparatus has been increased due to the arrangement of the power supply unit.
Conventional ink jet printers have room for further improvement from the above viewpoint.

  Accordingly, the present invention has been made in view of such problems, and an object thereof is to reduce the size of the apparatus by appropriately arranging a power supply unit.

  In order to solve the above problems, a liquid ejecting apparatus according to a first aspect of the present invention includes a liquid ejecting unit having a nozzle capable of ejecting a liquid, and a carriage that moves along the apparatus width direction. A frame that is positioned on the front side in the apparatus depth direction with respect to the moving region, and that extends along the moving direction of the carriage; and a power supply unit that supplies electric power when driving a driving target including the carriage. The frame includes a first frame portion that supports the carriage from below, and a second frame portion that rises upward from the first frame portion, and the second frame portion extends from the first frame portion. An escape portion that escapes from the rising position toward the device depth direction, and the power source portion is on the device front side with respect to the second frame portion in the device depth direction. Characterized in that it is disposed at a position corresponding to the lower portion.

According to this aspect, since the power supply unit is arranged on the front side in the apparatus depth direction with respect to the movement region of the carriage, the whole movement region of the carriage and the whole arrangement region of the power supply unit are The size in the apparatus width direction can be suppressed without overlapping in the carriage movement direction, that is, in the apparatus width direction.
In addition, since the arrangement area of the power supply unit and the movement area of the carriage are partitioned by the second frame part of the frame, heat generated from the power supply unit does not adversely affect the carriage, or The impact can be reduced.
Since the second frame part includes an escape part that escapes from the rising position from the first frame part toward the apparatus depth direction, and the power supply part is disposed at a position corresponding to the escape part, While securing a large area of the first frame portion that supports the carriage, it is possible to secure a larger arrangement area of the power supply portion.

  According to a second aspect of the present invention, in the first aspect, the power supply unit is within a region of the largest medium that can be conveyed in the movement direction of the carriage.

  According to this aspect, since the power supply unit is within the medium area having the largest size in the moving direction of the carriage, the size in the apparatus width direction can be suppressed.

  According to a third aspect of the present invention, in the first or second aspect, the power source unit is a housing member having heat insulation provided on the front side of the device with respect to the second frame unit in the device depth direction. The first plate-like portion that is housed and is sandwiched between the power source portion and the second frame portion in the housing member has a relief shape that follows the shape of the relief portion of the second frame portion, and the power source The portion is arranged in the housing member using the relief shape.

According to this aspect, since the power supply unit is housed in the heat-insulating housing member, there is an adverse effect on the components arranged around the power supply unit due to heat generated from the power supply unit. It can be avoided or adverse effects can be suppressed.
And the 1st plate-shaped part pinched | interposed into the said power supply part and the said 2nd frame part in the said accommodation member has the relief shape which followed the shape of the said relief part of the said 2nd frame part, and the said power supply part is the said Since it arrange | positions in the said accommodating member using escape form, the enlargement of the said accommodating member can be suppressed.

  According to a fourth aspect of the present invention, in the third aspect, a bent portion that is bent toward the moving region side of the carriage is formed on an upper portion of the second frame portion, and the first plate provided in the accommodating member A step portion extending upward after being bent toward the moving region side of the carriage is formed at the upper portion of the bent portion, and at least the liquid ejecting portion is electrically connected to the inside of the step portion. A cable for transmitting a target signal is accommodated, and the bent portion and the stepped portion of the second frame portion overlap in the apparatus depth direction.

According to this aspect, since the bent portion is formed on the upper portion of the second frame portion, the strength of the second frame portion can be improved. In addition, since the step portion for accommodating the cable is formed on the upper portion of the first plate-like portion provided in the housing member, it is not necessary to separately provide a member for housing the cable, thereby reducing the number of parts and reducing the cost. Can be achieved.
And since the said bending part and said level | step-difference part of a said 2nd frame part have overlapped in the apparatus depth direction, an apparatus depth direction dimension can be suppressed.

  According to a fifth aspect of the present invention, in the third or fourth aspect, an operation panel for performing various operations is provided on the front surface of the apparatus, and the housing member includes a second plate-like portion on the front side of the apparatus, The operation panel is attached to the second plate-like part via a hinge part, and at least a part of the hinge part and at least a part of the power supply part overlap in the apparatus depth direction. And

  According to this aspect, since at least a part of the hinge part and at least a part of the power supply part overlap in the apparatus depth direction, the apparatus depth direction dimension can be suppressed.

  According to a sixth aspect of the present invention, in the fifth aspect, the hinge portion is provided on both sides of the operation panel in the apparatus width direction, and at least one of the hinge portions provided on both sides of the operation panel is In the width direction of the apparatus, it is within the area of the operation panel.

  According to this aspect, since at least one of the hinge portions provided on both sides of the operation panel is in the region of the operation panel in the device width direction, the device width of the operation panel including the hinge portion. The direction dimension can be suppressed, and consequently the width direction dimension of the entire apparatus can be suppressed.

  According to a seventh aspect of the present invention, in the sixth aspect, at least a part of the hinge part and at least a part of the power supply part overlap in the apparatus depth direction.

  According to this aspect, since at least a part of the hinge part and at least a part of the power supply part overlap in the apparatus depth direction, the apparatus depth direction dimension can be suppressed.

1 is an external perspective view of a printer according to the present invention. FIG. 3 is an external perspective view of the printer in a state where an operation panel is rotated to the front side in the apparatus depth direction. FIG. 3 is an external perspective view of the printer when a scanner unit and an ink tank cover are opened with respect to the apparatus main body. FIG. The perspective view of the carriage seen from the diagonally lower side in the apparatus height direction. The perspective view which looked at the operation panel, the power supply part, and the flame | frame from the back side. The side sectional view of an operation panel, a power supply part, and a frame. The perspective view of an operation panel, a power supply part, and a storage member. The perspective view of a power supply part. The perspective view of a storage member. The top view of the flame | frame and accommodation member of the state attached to the apparatus main body. Sectional drawing of a power supply part and an accommodating member. The top view of a carriage, a power supply part, and an operation panel. The top view of the hinge part attached to the left end part of the operation panel. The top view of the hinge part attached to the right end part of the operation panel. The perspective view which looked at the operation panel and the hinge part from the back side. The perspective view of the apparatus main body which shows the connection state of the operation panel and an accommodating member in the state which opened the operation panel with respect to the apparatus main body completely. The side view of the operation panel and power supply part which show the positional relationship of the hinge part and power supply part of an operation panel. The perspective view of the hinge part which concerns on a 2nd Example. The side view of the hinge part which concerns on a 2nd Example. Sectional drawing of the hinge part which concerns on a 2nd Example. The perspective view of the operation panel and hinge part which concern on a 3rd Example. The perspective view of the hinge part which concerns on a 3rd Example. The side view of the hinge part which concerns on a 3rd Example.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, about the same structure in each Example, the same code | symbol is attached | subjected and it demonstrates only in the first Example, The description of the structure is abbreviate | omitted in a subsequent Example.

  FIG. 1 is an external perspective view of the printer according to the present invention, FIG. 2 is an external perspective view of the printer in a state where the operation panel is rotated to the front side in the apparatus depth direction, and FIG. FIG. 4 is an external perspective view of the printer when the cover is open with respect to the apparatus main body, FIG. 4 is an external perspective view of the apparatus main body, and FIG. 5 is a perspective view of the carriage as viewed obliquely from below in the apparatus height direction. FIG. 6 is a perspective view of the operation panel, the power supply unit, and the frame as viewed from the back side.

  7 is a side sectional view of the operation panel, power supply unit, and frame, FIG. 8 is a perspective view of the operation panel, power supply unit, and housing member, FIG. 9 is a perspective view of the power supply unit, and FIG. 10 is a housing member. 11 is a plan view of the frame and the housing member attached to the apparatus main body, and FIG. 12 is a cross-sectional view of the power supply unit and the housing member.

  13 is a plan view of the carriage, the power supply unit, and the operation panel. FIG. 14 is a plan view of the hinge unit attached to the left end of the operation panel. FIG. 15 is a hinge unit attached to the right end of the operation panel. FIG. 16 is a perspective view of the operation panel and the hinge portion as viewed from the back side, and FIG. 17 shows the connection between the operation panel and the housing member in a state where the operation panel is completely opened with respect to the apparatus main body. 18 is a perspective view of the apparatus main body showing the state, and FIG. 18 is a side view of the operation panel and the power supply unit showing the positional relationship between the hinge part of the operation panel and the power supply unit.

  19 is a perspective view of a hinge portion according to the second embodiment, FIG. 20 is a side view of the hinge portion according to the second embodiment, and FIG. 21 is a cross-sectional view of the hinge portion according to the second embodiment. FIG. 22 is a perspective view of the operation panel and the hinge portion according to the third embodiment, FIG. 23 is a perspective view of the hinge portion according to the third embodiment, and FIG. 24 is the third embodiment. It is a side view of the hinge part which concerns on an example.

  In the XYZ coordinate system shown in each figure, the X direction is the main scanning direction (movement direction) of the carriage, that is, the width direction of the recording apparatus, the Y direction is the depth direction of the recording apparatus, and the Z direction is the apparatus height direction. Is shown. In each figure, the + X direction side is the apparatus left side, the -X direction side is the apparatus right side, the + Y direction is the apparatus front side, the -Y direction side is the apparatus back side, and the + Z axis direction side is the apparatus upper side. -Let the Z-axis direction side be a device lower side.

■■■ First Example ■■■■
<<< Printer overview >>>
A printer 10 as an example of a “liquid ejecting apparatus” will be described with reference to FIGS. 1 to 4. The printer 10 includes an apparatus body 12 and a scanner 14 disposed on the upper part of the apparatus body 12 so as to be rotatable with respect to the apparatus body 12.

  An operation panel 16 is provided on the front side of the apparatus body 12 in the apparatus depth direction. As shown in FIGS. 1 to 4, the operation panel 16 is provided with display means such as a liquid crystal panel and input means including a plurality of input buttons and switches. As shown in FIG. 2, the operation panel 16 is attached to the apparatus body 12 so as to be rotatable on the front side in the apparatus depth direction. The configuration of the operation panel 16 will be described later.

  As shown in FIG. 2, when the operation panel 16 is turned to the front side in the apparatus depth direction with respect to the apparatus main body 12, the medium discharge tray 18 stored in the apparatus main body 12 is exposed. The medium discharge tray 18 is located between the position stored in the apparatus main body 12 (see the solid line part in FIG. 2) and the position pulled out from the apparatus main body 12 to the front side in the apparatus depth direction (see the two-dot chain line part in FIG. 2). It is configured to be able to advance and retreat.

  Referring to FIG. 4, a power supply unit 20 extending in the apparatus width direction is disposed on the back side of the operation panel 16 in the apparatus depth direction. The power supply unit 20 is configured to supply power to the drive elements in the printer 10. The power supply unit 20 supplies power to a control unit (not shown) provided in the apparatus main body 12. The configuration of the power supply unit 20 will also be described later.

  In the apparatus main body 12, a medium accommodating portion 22 capable of accommodating a medium is mounted on the lower side of the medium discharge tray 18 in the apparatus height direction so that it can be inserted into and removed from the apparatus main body 12 from the front side in the apparatus depth direction.

  3, the scanner 14 is configured to be rotatable with respect to the apparatus main body 12 with the back side in the apparatus depth direction as a rotation fulcrum, and is closed with respect to the apparatus main body 12 (see FIG. 1 and FIG. 3). 2) and an open posture (see FIG. 3) can be switched.

  1 to 4, an ink tank 24 is provided on the front side in the apparatus depth direction at the right end of the apparatus body 12 in the apparatus width direction. A plurality of ink tanks (not shown) are provided in the ink tank portion 24. A plurality of ink tanks (not shown) are covered with the casing 26. A cover 28 is attached to the upper portion of the housing 26 so as to be rotatable with respect to the housing 26.

  The ink tank portion 24 is arranged so as to be positioned below the scanner 14 in a posture in which at least a part is closed in the apparatus width direction. In this embodiment, the ink tank unit 24 is provided with five ink tanks, and each ink tank contains black, magenta, yellow, cyan, and photo black ink as “liquid”. In addition, a display unit 24 a that can check the remaining amount of ink in each ink tank is provided on the front side in the apparatus depth direction of the ink tank unit 24.

  When the scanner 14 is in an open position with respect to the apparatus main body 12, the cover 28 covering the upper part of the ink tank of the ink tank unit 24 is completely exposed. When the cover 28 is completely exposed, the upper portion of the ink tank can be exposed by rotating the cover 28 with respect to the casing 26 as shown in FIG. Further, an ink injection port cover 30 that can be switched between a state in which an ink injection port (not shown) provided in the upper part of the ink tank is closed and a state in which the ink injection port is opened is rotatably attached to the upper portion of the casing 26. It has been. The housing 26 is rotated from the closed state of the cover 28 (see FIGS. 1 and 2) to the rear side in the apparatus depth direction (see FIG. 3), so that the ink inlet cover 30 can be accessed. It becomes possible.

  Next, referring to FIG. 4, a carriage 32 is disposed on the back side of the ink tank portion 24 in the apparatus depth direction. As an example, the carriage 32 is configured to reciprocate in the apparatus width direction within the apparatus main body 12. The drive mechanism of the carriage 32 will be described more specifically. A drive motor 34 is provided on the back side of the carriage 32 in the apparatus depth direction.

  A drive pulley (not shown) is provided on the drive shaft of the drive motor 34. A driven pulley 36 is provided in the apparatus main body 12 so as to be driven to rotate with respect to the drive pulley with an interval in the apparatus width direction with respect to a drive pulley (not shown). An endless belt 38 is wound around a driving pulley (not shown) and a driven pulley 36. Although not shown, at least a part of the endless belt 38 is held by the carriage 32 at the rear side end portion of the carriage 32. When the drive motor 34 is rotationally driven, the endless belt 38 is rotationally driven in the same direction as the rotational direction of the drive motor 34 to move the carriage 32 in the apparatus width direction. As an example, the position of the carriage 32 shown in FIG. 4 in the apparatus main body 12 is set as the home position of the carriage 32.

  As shown in FIG. 4, a plurality of relay adapters 40 are attached to the carriage 32. Each relay adapter 40 is connected to the ink tank of the ink tank unit 24 via the ink supply tube 42. Further, as shown in FIG. 5, a recording head 44 as a “liquid ejecting unit” is provided below the carriage 32. A plurality of nozzles for ejecting ink are provided on the lower surface of the recording head 44.

  In FIG. 4, a medium support member 46 extending in the apparatus width direction is provided below the recording head 44. Further, a transport roller pair 48 is provided on the back side of the medium support member 46 in the apparatus depth direction.

  Here, the medium recording operation of the printer 10 will be described. The medium accommodated in the medium accommodating portion 22 is fed to the conveyance roller pair 48 by a feeding means (not shown). The conveyance roller pair 48 nips the medium and feeds the medium to a region facing the recording head 44 on the lower side of the recording head 44. The medium supported by the medium support member 46 receives the ink ejected from the nozzles of the recording head 44 on the surface facing the recording head 44. As a result, recording is performed on the surface of the medium facing the recording head 44. Then, the recorded medium is discharged toward the medium discharge tray 18 protruding to the front side of the apparatus main body 12 in the apparatus depth direction.

<<< About frame structure >>>
Referring to FIGS. 6 and 7, in the apparatus main body 12, the frame 50 and the power supply unit are located on the front side in the apparatus depth direction with respect to the movement region in the apparatus width direction of the carriage 32 from the back side to the front side in the apparatus depth direction. 20 and the operation panel 16 are arranged in order.

  The frame 50 extends along the apparatus width direction. The frame 50 includes a first frame portion 50a and a second frame portion 50b. As shown in FIG. 7, the first frame part 50a extends in the front-rear direction of the apparatus depth direction. The first frame part 50 a is configured as a guide part that supports and guides at least a part of the carriage 32. More specifically, as shown in FIG. 7, a sliding portion 32 a is provided at the front end of the carriage 32 in the apparatus depth direction. The sliding part 32a is supported by the first frame part 50a. When the carriage 32 moves in the apparatus width direction, the sliding part 32a slides on the first frame part 50a and moves in the apparatus width direction.

  Further, the second frame portion 50b protrudes upward from the front end portion of the first frame portion 50a in the apparatus depth direction. The second frame portion 50b includes a rising portion 50c, a relief portion 50d, and a bent portion 50e. The rising portion 50c rises upward from the front end of the first frame portion 50a in the apparatus depth direction. The escape portion 50d is formed above the rising portion 50c, and is located on the back side in the apparatus depth direction with respect to the rising position from the first frame portion 50a in the apparatus depth direction. That is, the escape portion 50d is formed in a shape that escapes to the back side in the apparatus depth direction.

  Further, the second frame portion 50b extends from the upper end of the escape portion 50d in the apparatus height direction to the rear side in the apparatus depth direction, that is, to the moving area side of the carriage 32, and then bends to the front side in the apparatus depth direction. A bent portion 50e is formed. For example, the frame 50 is formed by bending a metal material by bending such as sheet metal processing or pressing.

<<< Configuration of power supply section >>>
Next, the power supply unit 20 will be described with reference to FIGS. The power supply unit 20 is disposed on the front side of the frame 50 in the apparatus depth direction. As shown in FIG. 9, the power supply unit 20 includes a box-shaped housing 20a formed of a metal material, and a circuit board 20b disposed in the housing 20a. The box-shaped housing 20a covers the six surfaces around the circuit board 20b. A plurality of electrical components 20c are attached to the circuit board 20b.

  The power supply unit 20 is housed in the housing member 52. The housing member 52 is formed in a box shape whose upper side in the apparatus height direction is open. And the accommodating member 52 is formed of the material which has heat insulation as an example.

  Here, referring to FIG. 7, the housing member 52 includes a first plate-like portion 52 a that extends upward in the apparatus height direction on the back side in the apparatus depth direction, and an upper direction in the apparatus height direction on the front side in the apparatus depth direction. And a second plate-like portion 52b extending toward the surface. Both the first plate-like portion 52a and the second plate-like portion 52b extend in the apparatus width direction. And the 1st plate-shaped part 52a comprises the wall part of the apparatus depth direction back side in the box-shaped accommodating member 52, and the 2nd plate-shaped part 52b comprises the wall part of the apparatus depth direction front side.

  Further, the first plate-like portion 52a has a shape that follows the second frame portion 50b of the frame 50 as a whole. In the first plate-like portion 52a, a relief shape 52c is formed at a position corresponding to the relief portion 50d of the second frame portion 50b in the apparatus height direction. Further, a step extending on the rear side in the apparatus depth direction, that is, on the moving area side of the carriage 32, and then extending on the upper side in the apparatus height direction, following the bent part 50e of the second frame part 50b, at the upper part of the relief shape 52c. A part 52d is provided. As shown in FIG. 7, the stepped portion 52d and the bent portion 50e overlap in the apparatus depth direction.

  Here, referring to FIG. 10, the housing member 52 is provided with two power supply fixing portions 52e as an example. Further, as shown in FIG. 9, fixed portions 20 d are provided at both ends of the power supply unit 20 in the apparatus width direction. As shown in FIG. 8, the power supply unit 20 is fixed to the storage member 52 by tightening the fixed portion 20 d with the fastening member 54 to the power supply fixing portion 52 e of the storage member 52. In addition, the fastening member 54 is comprised as a screw member as an example.

  In addition, as shown in FIG. 7, the power supply unit 20 is fixed in the housing member 52 at a position corresponding to the relief shape 52 c of the first plate-like part 52 a in the apparatus height direction. That is, the power supply unit 20 is disposed at a position corresponding to the relief portion 50d of the second frame portion 50b of the frame 50 in the apparatus height direction. In the power supply unit 20, the circuit board 20 b is arranged with the side on which the electrical component 20 c is attached facing the back side in the apparatus depth direction.

  7 and 11, a front frame member 56 constituting a part of the apparatus main body 12 is disposed below the frame 50 and the housing member 52 in the apparatus height direction. The front frame member 56 extends along the apparatus width direction. And as shown in FIG. 11, the accommodating member 52 is attached to the front frame member 56 by the three fastening members 58 as an example. Similarly, the frame 50 is also attached to the front frame member 56 by two fastening members 58 as an example. In addition, the fastening member 58 is comprised as a screw member as an example.

<<< About wiring around power supply section >>>
Next, wiring of signal lines and the like around the power supply unit 20 will be described with reference to FIGS. First, referring to FIG. 5, a signal cable 60 as a “cable” is drawn from the right end of the carriage 32 in the apparatus width direction toward the front side in the apparatus depth direction. The signal cable 60 extends from the right in the apparatus width direction to the left on the front side of the carriage 32 in the apparatus depth direction. The signal cable 60 is configured as an FFC (flexible flat cable) as an example.

  As shown in FIG. 6, the signal cable 60 extends from the right to the left in the apparatus width direction along the relief portion 50 d of the second frame portion 50 b of the frame 50. Then, the signal cable 60 is drawn between the relief portion 50d of the frame 50 and the relief shape 52c of the first plate-like portion 52a of the housing member 52 from the opening 50f provided in the relief portion 50d. Extending in the direction. The signal cable 60 is connected to a control unit (not shown) provided in the apparatus main body 12.

  Here, a control unit (not shown) is configured as a circuit board including a plurality of electrical components, and controls operations of the printer 10 and the like. The control unit controls the ink ejection operation in the recording head 44 via the signal cable 60.

  Next, referring to FIG. 8, a power cable 62 is connected to the right end of the power supply unit 20 in the apparatus width direction. The power cable 62 extends from the power supply unit 20 to the right in the apparatus width direction, then extends to the back side in the apparatus depth direction, and is connected to an inlet (not shown) provided at the back side end of the apparatus body 12. A power cable 64 shown in FIGS. 1 to 4 is detachably connected to an inlet (not shown). That is, power is supplied to the power supply unit 20 from an external power supply provided outside the apparatus main body 12 via the power cable 64 and the power cable 62.

  A power cable 66 is connected to the left end of the power supply unit 20 in the apparatus width direction. The power cable 66 is connected to a control unit (not shown). The power supply unit 20 performs phase conversion and voltage conversion of current supplied from an external power supply as an example.

  Next, referring to FIG. 10 and FIG. 12, a plurality of pairs of ribs 68 are provided at an upper portion in the apparatus height direction at an appropriate interval in the apparatus width direction at a portion extending in the apparatus depth direction in the step portion 52 d of the housing member 52. Protrusively toward. As shown in FIG. 12, the signal cable 70 extends in the apparatus width direction along a wall portion protruding upward in the apparatus height direction at the stepped portion 52d. Further, at least a part of the signal cable 70 in the apparatus height direction is disposed at a position overlapping with at least a part of the power supply unit 20 in the stepped portion 52d. The signal cable 70 is also configured as an FFC (flexible flat cable) as an example.

  One end of the signal cable 70 is connected to the control unit. The other end of the signal cable 70 is electrically connected to a storage medium of a waste liquid tank (not shown) that is detachably attached to the apparatus main body 12. The storage medium is configured to hold information such as the amount of waste ink stored in the waste liquid tank. When the storage medium of the waste liquid tank (not shown) and the other end of the signal cable 70 are electrically connected, the information stored in the storage medium of the waste liquid tank (not shown) is transmitted to the control unit.

  Further, as shown in FIGS. 6, 8, and 12, a signal cable 72 extends from the operation panel 16 toward the back side in the apparatus depth direction. A portion of the signal cable 72 extending toward the rear side in the apparatus depth direction crosses the upper portion of the power supply unit 20 in the apparatus height direction. The signal cable 72 extends to the step portion 52d on the back side in the apparatus depth direction, and then extends to the left in the apparatus width direction. The signal cable 72 is connected to a control unit (not shown). Further, at least a part of the signal cable 72 in the apparatus height direction is disposed at a position overlapping with at least a part of the power supply unit 20 in the stepped portion 52d. The signal cable 72 is also configured as an FFC (flexible flat cable) as an example.

  Further, as shown in FIGS. 7 and 12, a signal cable 74 is routed between the pair of ribs 68 in the step portion 52d along the apparatus width direction. One end of the signal cable 74 is connected to a control unit (not shown). The other end of the signal cable 74 is electrically connected to detection means (not shown) that detects whether the cover 28 is open or closed in the ink tank 24. Then, the control unit receives a detection signal from the detection means via the signal cable 74. In the present embodiment, the signal cables 70, 72, 74 are wired so as to pass above the signal cable 60 in the apparatus height direction. However, the present invention is not limited to this. You may wire so that it may pass below.

<<< Position relationship with power supply unit, medium passage area and carriage >>>
Next, referring to FIG. 13, reference numeral S denotes a passage area in the apparatus width direction of the maximum size medium conveyed by the printer 10. The power supply unit 20 is within the maximum size medium passage region S in the apparatus width direction. In FIG. 13, the carriage 32 is located at the home position.

  The position of the right side end of the power supply unit 20 in the apparatus width direction is located to the left of the width direction left end of the carriage 32 positioned at the home position. That is, when the carriage 32 is positioned at the home position, the power supply unit 20 is disposed at a position where it does not interfere with the recording head 44 of the carriage 32 in the apparatus width direction.

<<< About the configuration of the operation panel >>>
The configuration of the operation panel 16 will be described with reference to FIGS. As shown in FIG. 16, hinges 76 </ b> A and 76 </ b> B are rotatably attached to the operation panel 16 at the upper end in the apparatus height direction on the back side of the operation panel 16.

  16 and 17, the hinge portions 76A and 76B each have a fastening portion 76a and a bearing portion 76b. A rotation shaft 16c (see FIG. 18) provided on the operation panel 16 is inserted into the bearing portion 76b. Two fastening members 78 are attached to the fastening portion 76a. The fastening portions 76a of the hinge portions 76A and 76B are attached to the device depth direction front surface of the second plate-like portion 52b of the housing member 52 through two fastening members 78 as an example.

  That is, the operation panel 16 is rotatably attached to the second plate-like portion 52b of the housing member 52 via the hinge portions 76A and 76B. As shown in FIG. 17, the fastening member 78 that fixes the hinge portions 76 </ b> A and 76 </ b> B to the housing member 52 in the apparatus width direction is arranged so as to be located in the region of the operation panel 16. In addition, the fastening member 78 is comprised as a screw member as an example.

  The operation panel 16 is completely closed with respect to the apparatus main body 12 (see FIG. 1), and is opened with a predetermined angle with respect to the apparatus main body 12 to operate the operation panel 16 (see FIG. 2). And a completely open posture with respect to the apparatus main body 12 (see FIG. 17). The predetermined angle is set as an example of an angle at which the operation panel 16 can be easily operated as an example, for example, an attitude in which the operation panel 16 is inclined about 30 to 50 degrees toward the front side of the apparatus depth direction with respect to the apparatus body 12. Has been.

  When the operation panel 16 is opened at a predetermined angle (see FIG. 2), the fastening members 78 of the fastening portions 76a of the hinge portions 76A and 76B are disposed at positions that cannot be seen from the front side in the apparatus depth direction. On the other hand, when the operation panel 16 is fully open (see FIG. 17), the fastening members 78 of the fastening portions 76a of the hinge portions 76A and 76B are arranged at positions that can be seen from the front side in the apparatus depth direction. Therefore, since the fastening member 78 can be visually observed by setting the operation panel 16 to the fully open posture, the operation panel 16 can be easily replaced.

  As shown in FIG. 14, the hinge portion 76 </ b> A is attached to the operation panel 16 so that a part thereof, in the present embodiment, the fastening portion 76 a protrudes from the left end portion 16 a of the operation panel 16 in the apparatus width direction. On the other hand, as shown in FIG. 15, the hinge portion 76 </ b> B is attached to the operation panel 16 so as to be positioned inside the operation panel 16 with respect to the right end portion 16 b of the operation panel 16 in the apparatus width direction.

  14 and 15, both the hinge portions 76A and 76B are arranged so as not to interfere with members constituting the apparatus main body 12 in the apparatus width direction. Further, as shown in FIG. 13, at least a part of the hinge parts 76 </ b> A and 76 </ b> B and at least a part of the power supply part 20 are arranged so as to overlap in the apparatus depth direction. Further, at least a part of the hinge portions 76A and 76B in the apparatus width direction is located in the passage area S for the medium of the maximum size.

  Referring to FIG. 18, the rotation shaft 16 c of the operation panel 16 is located above the power supply unit 20 in the apparatus height direction and is located on the front side in the apparatus depth direction. At least a part of the hinge parts 76A and 76B overlaps at least a part of the power supply part 20 in the apparatus depth direction. In addition, illustration of the accommodating member 52 is abbreviate | omitted in FIG.

■■■ Second Example ■■■■
Next, the hinge part 80 according to the second embodiment will be described with reference to FIGS. The hinge portion 80 includes a fastening portion 80a, a rotation shaft portion 80b, a bearing portion 80c, and a panel attachment portion 80d. Here, as shown in FIG. 19, the bearing portion 80c and the panel attachment portion 80d are integrally formed.

  Referring to FIGS. 20 and 21, the rotation shaft portion 80 b is formed in a cylindrical shape. A part of the rotation shaft part 80b is cut out along the circumferential direction of the rotation shaft part 80b to form a notch 80e. An urging member 82 having a C-shaped cross section in a direction intersecting the axial direction of the rotation shaft portion 80b is disposed inside the rotation shaft portion 80b. More specifically, the urging member 82 is formed by bending a leaf spring in the circumferential direction of the rotation shaft portion 80b.

  A slider member 84 is attached to the notch 80e of the rotation shaft 80b. In the slider member 84, the center side in the radial direction of the rotating shaft portion 80b is in contact with the biasing member 82. In the slider member 84, the radially outer peripheral side of the rotating shaft portion 80b is in contact with the inner surface of the bearing portion 80c. The slider member 84 is configured to be able to advance and retract along the radial direction of the rotation shaft portion 80b. The slider member 84 is biased toward the outer peripheral side in the radial direction of the rotating shaft portion 80b, that is, the bearing portion 80c side by receiving the biasing force of the biasing member 82.

  Here, the slider member 84 presses the bearing portion 80 c by the urging force F <b> 1 of the urging member 82. As a result, a frictional force is generated between the slider member 84 and the bearing portion 80c. Further, the biasing member 82 generates a reaction force F <b> 2 by biasing the slider member 84. Due to this reaction force, the rotary shaft portion 80b presses the bearing portion 80c at a position opposite to the slider member 84 in the circumferential direction. In the present embodiment, the reaction force F2 is the same magnitude as the urging force F1.

  As a result, rotational torque is generated between the rotating shaft portion 80b and the bearing portion 80c due to sliding frictional resistance. With this rotational torque, the attitude of the operation panel 16 with respect to the apparatus main body 12 can be held at an arbitrary angle. Further, the magnitude of the rotational torque can be managed by appropriately selecting the urging force of the urging member 82. And since the mechanism which generate | occur | produces a rotational torque is integrated in the rotating shaft part 80b, size reduction of the hinge part 80 can be achieved.

<<< Modified Example of Second Embodiment >>>
In the present embodiment, the urging member 82 is formed by bending a leaf spring into a C-shaped cross section, but instead of this configuration, the urging member 82 may be another type of spring such as a coil spring.

■■■ Third Example ■■■■
Next, the hinge part 86 according to the third embodiment will be described with reference to FIGS. Referring to FIG. 22, hinge portions 86 are attached to both ends of the operation panel 88 in the apparatus width direction.

Referring to FIGS. 23 and 24, the hinge portion 86 includes a rotating member 90, a bearing member 92, and an urging member 94. The rotation member 90 includes a fastening portion 90a and a rotation shaft portion 90b. The bearing member 92 includes a bearing portion 92a and a panel attachment portion 92b.
In this embodiment, the bearing member 92 and the biasing member 94 are attached to the operation panel 88.

  In the bearing member 92, the panel attachment portion 92b is attached to the operation panel 88 by a fastening member or the like. The bearing portion 92a is configured to surround the rotation shaft portion 90b of the rotation member 90. A rotating shaft 90b is inserted into the bearing 92a.

  A slit 92c is formed in the bearing portion 92a. And the bearing part 92a can change the dimension size of the radial direction of the rotating shaft part 90b by adjusting the width | variety of the slit 92c. That is, by reducing the width of the slit 92c, the size of the bearing portion 92a in the radial direction can be reduced, and the rotating shaft portion 90b can be tightened. Conversely, by increasing the width of the slit 92c, the size of the bearing 92a in the radial direction can be increased, and the tightening of the rotating shaft 90b can be loosened.

  As shown in FIG. 24, the urging member 94 has one end 94a attached to the panel attachment portion 92b of the bearing member 92, extending upward in the drawing in FIG. 24, bent to the left in the drawing, and bent downward in the drawing. It has been. The one end 94a of the urging member 94 and the other end 94b are attached to the bearing portion 92a with a space in the left-right direction in FIG.

  That is, the biasing member 94 sandwiches the bearing portion 92a of the bearing member 92 and the panel attachment portion 92b. That is, the urging member 94 is attached to the bearing member 92 such that the slit 92c is positioned between the one end 94a and the other end 94b of the urging member 94. Therefore, by adjusting the distance between the one end 94 a and the other end 94 b of the urging member 94, the width of the slit 92 c can be adjusted by the urging force of the urging member 94.

  As a result, the tightening degree of the bearing portion 92a with respect to the rotating shaft portion 90b can be adjusted by the urging force of the urging member 94, and the frictional force generated between the rotating shaft portion 90b and the bearing portion 92a can be adjusted. . As a result, the rotational torque generated between the rotation shaft portion 90b and the bearing portion 92a by the urging force of the urging member 94 can be adjusted. By appropriately selecting the urging force of the urging member 94, the magnitude of the rotational torque can be managed, and the attitude of the operation panel 88 can be held at an arbitrary angle with respect to the apparatus main body 12.

  In summary, the printer 10 includes the recording head 44 having nozzles capable of ejecting ink and the carriage 32 that moves along the apparatus width direction, and the front side in the apparatus depth direction with respect to the movement region of the carriage 32. A frame 50 that is positioned and extends along the apparatus width direction, which is the moving direction of the carriage 32, and a power supply unit 20 that supplies power when driving a drive target including the carriage 32. And a first frame portion 50a that supports the carriage 32 from below, and a second frame portion 50b that rises upward from the first frame portion 50a. The second frame portion 50b rises from the first frame portion 50a. An escape portion 50d that escapes from the position toward the apparatus depth direction is provided, and the power source unit 20 is configured to be connected to the second frame In the front side of the apparatus relative to arm portion 50b, it is disposed at a position corresponding to the escape portion 50d.

According to the above configuration, since the power supply unit 20 is arranged on the front side in the apparatus depth direction with respect to the movement region of the carriage 32, the entire movement region of the carriage 32 and the whole arrangement region of the power supply unit 20 are included. The size in the apparatus width direction can be suppressed without overlapping in the moving direction of the carriage 32, that is, in the apparatus width direction.
Further, since the arrangement area of the power supply unit 20 and the movement area of the carriage 32 are partitioned by the second frame part 50b of the frame 50, the heat generated from the power supply part 20 does not adversely affect the carriage 32, or The impact can be reduced.
And since the 2nd frame part 50b is provided with escape part 50d which escapes in the apparatus depth direction from the standup position from the 1st frame part 50a, and power supply part 20 is arranged in the position corresponding to escape part 50d, While securing a large area of the first frame portion 50a that supports the carriage 32, it is possible to secure a larger arrangement region of the power supply unit 20.

  The power supply unit 20 is accommodated in the area S of the largest medium that can be conveyed in the movement direction of the carriage 32. According to this structure, the apparatus width direction dimension can be suppressed.

  The power supply unit 20 is housed in a heat-insulating housing member 52 provided on the front side of the device with respect to the second frame portion 50b in the device depth direction. In the housing member 52, the power supply unit 20 and the second frame portion 50b are housed. The first plate-like portion 52a sandwiched between the two has a relief shape 52c that follows the shape of the relief portion 50d of the second frame portion 50b, and the power supply unit 20 is disposed in the housing member 52 using the relief shape 52c. Has been.

According to the above configuration, since the power supply unit 20 is housed in the heat-insulating housing member 52, an adverse effect on the components arranged around the power supply unit 20 due to heat generated from the power supply unit 20 Can be avoided or adverse effects can be suppressed.
The first plate-like part 52a sandwiched between the power supply part 20 and the second frame part 50b in the housing member 52 has a relief shape 52c that follows the shape of the relief part 50d of the second frame part 50b. Since the escape shape 52c is used to place the housing member 52 in the housing member 52, an increase in the size of the housing member 52 can be suppressed.

  A bent portion 50e that bends toward the moving region of the carriage 32 is formed on the upper portion of the second frame portion 50b. The upper portion of the first plate-like portion 52a included in the housing member 52 follows the shape of the bent portion 50e. A step portion 52d extending upward after being bent toward the moving region side of the carriage 32 is formed, and a signal cable 60 for transmitting an electrical signal to at least the recording head 44 is housed inside the step portion 52d. The bent part 50e and the step part 52d of the second frame part 50b overlap in the apparatus depth direction.

According to this configuration, since the bent portion 50e is formed on the upper portion of the second frame portion 50b, the strength of the second frame portion 50b can be improved. In addition, a step 52d that accommodates the cable is formed on the upper portion of the first plate-like portion 52a included in the accommodating member 52, so there is no need to separately provide a member that accommodates the signal cable 60, and the number of parts can be reduced. Cost reduction can be achieved.
And since the bending part 50e and the level | step-difference part 52d of the 2nd frame part 50b overlap in the apparatus depth direction, the apparatus depth direction dimension can be suppressed.

  Operation panels 16 and 88 for performing various operations are provided on the front of the apparatus, the housing member 52 is provided with a second plate-like part 52b on the front side of the apparatus, and the operation panel 16 is provided with hinge parts 76A, 76B, 80, and 86. Are attached to the second plate-like part 52b, and at least a part of the hinge parts 76A, 76B, 80, 86 and at least a part of the power supply part 20 overlap in the apparatus depth direction. According to this structure, the apparatus depth direction dimension can be suppressed.

  The hinge portions 76A, 76B, 80, 86 are provided on both sides of the operation panels 16, 88 in the apparatus width direction, and at least one of the hinge portions 76A, 76B, 80, 86 provided on both sides of the operation panels 16, 88. Is in the area of the operation panels 16 and 88 in the apparatus width direction. According to this structure, the apparatus width direction dimension of the operation panels 16 and 88 including hinge part 76A, 76B, 80, 86 can be suppressed, and the width direction dimension of the whole apparatus can be suppressed by extension.

  At least a part of the hinge parts 76A, 76B, 80, 86 and at least a part of the power supply part 20 overlap in the apparatus depth direction. According to this structure, the apparatus depth direction dimension can be suppressed.

In this embodiment, the power supply unit 20, the frame 50, the housing member 52, and the hinge portions 76A, 76B, 80, and 86 according to the present invention are applied to an ink jet printer as an example of a liquid ejecting apparatus. It is also possible to apply.
Here, the liquid ejecting apparatus uses an ink jet recording head, and is not limited to a recording apparatus such as a printer, a copier, and a facsimile machine that discharges ink from the recording head to perform recording on a recording medium. And a device for ejecting a liquid corresponding to the application from a liquid ejecting head corresponding to the ink jet recording head to an ejected medium corresponding to the recording medium, and attaching the liquid to the ejected medium.

  In addition to the recording head, as a liquid ejecting head, a color material ejecting head used for manufacturing a color filter such as a liquid crystal display, and an electrode material (conductive paste) used for forming an electrode such as an organic EL display or a surface emitting display (FED) Examples thereof include an ejection head, a bioorganic matter ejection head used for biochip production, and a sample ejection head as a precision pipette.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say.

DESCRIPTION OF SYMBOLS 10 ... Printer, 12 ... Apparatus body, 14 ... Scanner, 16, 88 ... Operation panel, 16a ... Left end part, 16b ... Right end part, 16c ... Rotation fulcrum, 18 ... Medium discharge tray, 20 ... Power supply part, 20a, 26 ... Case, 20b ... Circuit board, 20c ... Electrical component, 20d ... Fixed part, 22 ... Medium accommodating part, 24 ... Ink tank part, 24a ... Display part, 28 ... Cover, 30 ... Ink inlet cover, 32 ... Carriage, 32a ... sliding portion, 34 ... drive motor, 36 ... driven pulley, 38 ... endless belt, 40 ... relay adapter, 42 ... ink supply tube, 44 ... recording head, 46 ... medium support member, 48 ... conveying roller pair 50 ... Frame, 50a ... First frame portion, 50b ... Second frame portion, 50c ... Stand-up portion, 50d ... Escape portion, 50e ... Bending portion, 50f ... Opening 52 ... Housing member, 52a ... First plate-like portion, 52b ... Second plate-like portion, 52c ... Escape shape, 52d ... Stepped portion, 52e ... Power supply fixing portion, 54, 58, 78 ... Fastening member, 56 ... Front frame 60, 70, 72, 74 ... signal cable, 62, 66 ... power cable, 64 ... power cable, 68 ... rib, 76A, 76B, 80, 86 ... hinge part, 76a, 80a ... fastening part, 76b, 80c , 92a ... Bearing portion, 80b, 90b ... Rotating shaft portion, 80d, 92b ... Panel mounting portion, 80e ... Notch portion, 82, 94 ... Biasing member, 84 ... Slider member, 90 ... Turning member, 90a ... Fastening portion, 92 ... bearing member, 92c ... slit, 94a ... one end, 94b ... other end, F1 ... biasing force, F2 ... reaction force, S ... medium passing area of maximum size

Claims (7)

A carriage having a liquid ejecting section having a nozzle capable of ejecting liquid and moving in the apparatus width direction;
A frame located on the front side in the apparatus depth direction with respect to the carriage movement region, and extending along the carriage movement direction;
A power supply unit that supplies power when driving a drive target including the carriage,
The frame includes a first frame portion that supports the carriage from below;
A second frame part rising upward from the first frame part,
The second frame part includes an escape part that escapes from the rising position from the first frame part toward the apparatus depth direction,
The power supply unit is disposed at a position corresponding to the escape portion on the apparatus front side with respect to the second frame unit in the apparatus depth direction.
A liquid ejecting apparatus. The liquid ejecting apparatus according to claim 1, wherein the power supply unit is within a region of a medium having the largest size that can be transported in the movement direction of the carriage.
A liquid ejecting apparatus. 3. The liquid ejecting apparatus according to claim 1, wherein the power supply unit is housed in a heat-insulating housing member provided on the front side of the device with respect to the second frame unit in the device depth direction. ,
The first plate-like part sandwiched between the power supply part and the second frame part in the housing member has a relief shape that follows the shape of the relief part of the second frame part,
The power supply unit is disposed in the housing member using the relief shape,
A liquid ejecting apparatus. The liquid ejecting apparatus according to claim 3, wherein a bent portion that is bent toward the moving region side of the carriage is formed on an upper portion of the second frame portion.
On the upper part of the first plate-like part provided in the housing member, a step part extending upward after being bent toward the moving region side of the carriage is formed following the shape of the bent part,
A cable for transmitting an electrical signal to at least the liquid ejecting portion is accommodated inside the stepped portion,
The bent portion of the second frame portion and the stepped portion overlap in the apparatus depth direction;
A liquid ejecting apparatus. The liquid ejecting apparatus according to claim 3 or 4, further comprising an operation panel for performing various operations on the front surface of the apparatus.
The housing member includes a second plate-like portion on the front side of the device,
The operation panel is attached to the second plate-like part via a hinge part,
At least a part of the hinge part and at least a part of the power supply part overlap in the apparatus depth direction,
A liquid ejecting apparatus. The liquid ejecting apparatus according to claim 5, wherein the hinge portion is provided on both sides of the operation panel in the apparatus width direction.
At least one of the hinge portions provided on both sides of the operation panel is in the region of the operation panel in the apparatus width direction.
A liquid ejecting apparatus. The liquid ejecting apparatus according to claim 6, wherein at least a part of the hinge part and at least a part of the power supply part overlap in the apparatus depth direction.
A liquid ejecting apparatus.

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