JP2010097038A - Operation panel structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a user-friendly operation panel structure of an image forming device based on a universal design. <P>SOLUTION: The operation panel structure of the image forming device includes an operation panel that has an operation part protruding from a front face of a device body and is installed at the upstream in a paper sheet discharge direction from a paper sheet discharge part. The structure includes a first support means 40 for rotatably supporting the operation panel in the vertical direction along a vertical plane around a rotation shaft 44, and a second support means 60 for rotatably supporting the operation panel in the horizontal direction along a horizontal plane around a rotation shaft 63. The first support means 40 has a coil spring 51 which locks only for pressing the operation panel downward, wherein the coil spring 51 unlocks by pressing a releasing member 54 downward. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an operation panel structure, and more particularly to an operation panel structure installed in an image forming apparatus for forming an image on a sheet by electrophotography.

  In recent years, in various industrial products, attention has been paid to the idea of universal design to make it easy to use not only for healthy people but also for physically handicapped people. In particular, in an image forming apparatus such as a copying machine or a printer, a universal design is supported for an operation panel having an input unit for inputting image forming process contents and a display unit for displaying the input contents and the operation status of the apparatus. It is demanded.

  Normally, the user rarely stands in front of the operation panel, and stands in a position where the operating hand is directly in front of the operation panel. Therefore, even for healthy people, the operation panel is located on the right side for professional operators who produce a large amount of prints in-house, so depending on the position and angle of the operation surface, fatigue may occur in the legs, waist, neck, and eyes. May occur. In addition, when using a wheelchair for a physically handicapped person, it is necessary to make mistakes with the operation panel in order to operate the panel, including operations such as placing documents, feeding paper, and taking out copy paper. Needless to say, matching is a bigger burden.

Therefore, even if the operator stands on the left side of the operation panel so that the angle of the operation surface and the display surface is not a burden on the operator's line of sight and hand movement, the operation panel located on the right side faces the operator. There is a need for an operating panel structure that can be adjusted to any angle in the vertical and horizontal directions. Therefore, as described in Patent Documents 1 and 2, the applicant of the present invention can rotate the operation panel in the direction along the vertical plane and in the direction along the horizontal plane as described in Patent Documents 1 and 2 as a universal design support for the operation panel of the copying machine. An operation panel structure with a resistance or a lock mechanism necessary for adjusting the angle of the operation panel was proposed. However, in addition to being able to finely adjust the angle in the vertical direction and the horizontal direction, a structure that can withstand a strong key operation is required.
JP 2008-134362 A JP 2008-134363 A

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an operation panel structure for an image forming apparatus that satisfies the requirements of universal design and is easy to use.

In order to achieve the above object, an operation panel structure according to an embodiment of the present invention is provided.
An operation panel structure for an image forming apparatus, comprising an operation panel installed at a position where the operation unit protrudes from the front surface of the apparatus main body and on the upstream side in the paper discharge direction from the paper discharge unit,
1st support means which supports the said operation panel so that rotation in the up-down direction along a vertical surface is possible, and 2nd support means which supports the said operation panel so that rotation in a horizontal direction along a horizontal surface is possible. ,
The first support means has a lock mechanism that locks only the operation of rotating the operation panel downward, and the lock mechanism is unlocked by operating a release member;
The first support means retains a predetermined resistance against an operation of rotating the operation panel upward and an operation of rotating the operation panel downward when the lock mechanism is released. ,
The second support means holds a predetermined resistance against an operation of rotating the operation panel in a horizontal direction;
It is characterized by.

  In the operation panel structure, the operation panel is supported so as to be rotatable in the vertical direction along the vertical plane and in the horizontal direction along the horizontal plane. It can be oriented in an optimal direction, and the operation panel can be easily adjusted to the height and posture of the operator. In particular, a lock mechanism is provided below to prevent the operation panel from being inadvertently rotated downward by a pressing operation of a key or the like, and the operation panel can be easily rotated downward if the lock is released. This is possible and improves usability.

  Embodiments of an operation panel structure according to the present invention will be described below with reference to the accompanying drawings.

(Overall configuration of copier, see Fig. 1)
FIG. 1 shows a case where an operation panel structure according to the present invention is applied to a copying machine 1. The copying machine 1 forms an image on a sheet by a conventionally known electrophotographic method. The copying machine 1 includes a document image reading unit 8 at an upper stage, and a document image read by the unit 8 is built in the main body unit 2. The image is reproduced on a sheet by a known image forming unit (not shown). The sheets are stacked and accommodated in a plurality of paper feed cassettes 4 provided in the lower stage, and are fed one by one, and after an image is formed by a well-known image forming process, the paper is discharged to the paper discharge unit 5 in the direction of arrow A. Paper.

  The operation panel 10 is installed on the front side of the copying machine 1 at a position protruding to the front side from the main body 2 toward the right side and upstream of the paper discharge unit 5 in the paper discharge direction (see arrow A). .

(Refer to the operation panel, Fig. 2 to Fig. 4)
As shown in FIGS. 2 to 4, the operation panel 10 includes a first operation unit 11 mainly for display and a second operation unit 21 mainly provided with a numeric keypad 22. Are integrated in a direction orthogonal to the left-right direction (see arrow B) of the copying machine main body 2 and at a predetermined different angle with respect to the horizontal plane C. Specifically, as shown in FIG. 4, the first operation surface has an angle θ1 with respect to the horizontal plane C set to 20 ° to 25 °, and the second operation surface has an angle θ2 with respect to the horizontal plane C of 5 ° to 10 °. Is set to The angle θ3 formed by the first and second operation surfaces is set to 160 ° to 170 °.

  The 2nd operation part 21 is located in the near side of the 1st operation part 11, and the 1st operation part 11 has made a rectangle by plane view. The second operation unit 21 has a substantially half-moon shape in plan view. Then, the front side of the first operation unit 11 and the back side straight part of the second operation unit 21 are joined, and the first operation unit 11 stands up with respect to the horizontal plane C rather than the second operation unit 21. Have an angle.

  The first operation unit 11 is provided with a liquid crystal display element 12, and the liquid crystal display element 12 is provided with a touch panel for setting operation modes of the copying machine main body 2 and the image reading unit 8, and setting various operation modes. , Display. The first operation unit 11 is provided with a mode memory key 13 and a counter integration display key 14 on the right side of the liquid crystal display element 12. Further, on the front side of the liquid crystal display element 12, operation keys 15 (for example, various operation keys for brightness setting, box memory, facsimile / scan switching, copy switching, and reset) that are not frequently used are provided.

  The second operation unit 21 is provided with a numeric keypad 22, a print start key 23, a stop key 24, an interrupt key 25, a confirmation copy key 26, and a clear key 27. A key 28 such as help is provided along the left edge. Is provided. A lighting display unit 31 for displaying a caution state of the copying machine main unit 2 and the image reading unit 8 is provided in a portion having a circular arc shape on the near side of the second operation unit 21. When the copying machine main body 2 and the image reading unit 8 are operating normally, the lighting display unit 31 is displayed in green, for example, to detect the occurrence of out of paper, out of toner, or jammed paper. For example, red is displayed.

  By the way, the operation panel 10 can be rotated in a first direction E (see FIG. 4) along the vertical plane, and can be rotated in a second direction F (see FIG. 2) along the horizontal plane. . Hereinafter, the first support means 40 that supports the operation panel 10 so as to be rotatable in the first direction E and the second support means 60 that rotatably supports the operation panel 10 in the second direction F will be described.

(Refer to the first and second support means, FIGS. 5 to 8)
As shown in FIGS. 5 and 6, the first support means 40 inserts a pivot fulcrum shaft 44 into a pipe 43 sandwiched between the fixed side brackets 41 and 42, and both ends of the pivot fulcrum shaft 44. The movable side brackets 45 and 46 are attached so as to be rotatable in the first direction E. The operation panel 10 is fixed to the projecting pieces 45a and 46a of the movable brackets 45 and 46 with screws.

  The rotation fulcrum shaft 44 is fixed so as not to rotate with respect to the fixed side brackets 41 and 42 by screwing nuts 56 to screw portions formed at both ends thereof. The drum 50 is rotatably mounted on the shaft portion 44a of the rotation fulcrum shaft 44, and the coil spring 51 is attached to the shaft portion 44b of the rotation fulcrum shaft 44 and the outer peripheral surface of the drum 50 in a crimped state. Yes. The drum 50 can rotate integrally with the movable brackets 45 and 46 via the bracket 48.

  One end of the coil spring 51 is locked to the notch 44 c of the rotation fulcrum shaft 44, and the other end is in close contact with the drum 50. That is, the coil spring 51 tightens the outer peripheral surface of the drum 50 in the direction in which the operation panel 10 is pressed downward to lock the movable brackets 45 and 46 (operation panel 10), and the tightening force is applied in the direction in which the coil spring 51 is pushed upward. It is configured as a so-called one-way mechanism that is free without acting on the motor 50.

  Further, a holding bracket 47 is integrally fixed to the movable brackets 45 and 46, and a release arm 52 is rotatably attached to the holding bracket 47 with a pin 53 as a fulcrum. The release arm 52 is always urged by the coil spring 71 in the direction of the arrow g. One side 52a of the release arm 52 projects to the front side of the operation panel 10, and a release lever 54 is fixed to the one side 52a.

  The distal end 52b of the release arm 52 is in contact with the release cam 74 from the direction of arrow h, and the release cam 74 is urged by a coil spring 73 in a direction opposite to the arrow h to a pin 49 fixed to the bracket 48. It is installed.

  In addition, the washers 55 and 55 interposed between the brackets 41 and 45 and between the brackets 42 and 46 also function as a brake material that imparts a rotational resistance against the rotation in the first direction E. The washer 55 is provided with a sliding agent such as fluorine or ultra-high density polyethylene on the surface that comes into contact with the fixed side brackets 41 and 42, and the surface that comes into contact with the movable side brackets 45 and 46 is not particularly treated or blasted. The processing which has the brake effect etc. is given.

  FIG. 7A shows a default position of the operation panel 10 in the first direction E in the first support means 40 having the above-described configuration. At this time, as shown in FIG. 4, the second operation surface has an angle of about 7 ° with respect to the horizontal plane C. At this time, even if the coil spring 51 tightens the shaft portion 44b of the rotation fulcrum shaft 44 and the outer peripheral surface of the drum 50, the operation panel 10 (movable) even if the friction force exerts a pressing force on the numeric keypad 22 or the like. The side brackets 45 and 46) do not rotate downward.

  On the other hand, when the operator pulls the release lever 54 forward, the release arm 52 rotates in the direction opposite to the arrow g (see FIG. 5), and the tip 52b of the release arm 52 moves the release cam 74 in the direction of the arrow h (see FIG. 5). 5), the release cam 74 comes into contact with one end of the coil spring 51. As a result, the tightening force on the drum 50 by the coil spring 51 is released. By pulling the release lever 54, the operation panel 10 (movable side brackets 45 and 46) is centered on the rotation fulcrum shaft 44 as shown in FIG. It can be rotated to the angle shown. That is, the operation panel 10 can be displaced to an angle rotated about 20 ° to 30 ° downward from the default position, and can be stopped at an arbitrary angle.

  When the operation panel 10 is rotated in the first direction E, an appropriate rotation resistance is applied by the washer 55, and the operation panel 10 stops at an arbitrary rotation angle. Further, the amount of rotational resistance by the washer 55 can be adjusted by changing the pressure contact force between the brackets 41, 45 and 42, 46. Specifically, the turning resistance force can be adjusted by changing the tightening force of the nut 56 with respect to the turning fulcrum shaft 44.

  On the other hand, the coil spring 51 is free in the direction in which the operation panel 10 is pushed upward without any tightening force acting on the drum 50, so that it can be rotated upward with a relatively light force that resists the resistance force of the washer 55. It can be stopped at any angle.

  Next, the 2nd support means 60 which supports the operation panel 10 so that rotation in the 2nd direction F along the horizontal surface C is demonstrated.

  As shown in FIG. 5, a rotation fulcrum shaft 63 is attached to the horizontal holding brackets 61 and 62 in the vertical direction, and the rotation fulcrum shaft 63 is inserted through a pipe 67 sandwiched between the brackets 41 and 42. Thus, the fixed side brackets 41 and 42 can be rotated on a horizontal plane with the rotation fulcrum shaft 63 as a fulcrum. The horizontal holding brackets 61 and 62 are fixed to the front surface of the image reading unit 8 through a fixed bracket 64.

  Further, the washers 65 and 65 interposed between the fixed side brackets 41 and 42 and the horizontal holding brackets 61 and 62 also function as a brake material that imparts a rotational resistance force against the rotation in the second direction F. . The washer 65 is provided with a sliding agent such as fluorine or ultra-high density polyethylene on the surface in contact with the fixed brackets 41 and 42. The surface in contact with the horizontal holding brackets 61 and 62 is not particularly treated or blasted. The processing which has the brake effect etc. is given.

  In the second support means 60 having the above configuration, when the operator presses the operation panel 10 in the horizontal direction by hand, the operation panel 10 is rotated in the left-right direction with the rotation fulcrum shaft 63 as a fulcrum (see FIG. 8). A moderate rotational resistance acts by the washer 65. Further, the amount of rotational resistance by the washer 65 can be adjusted by changing the pressure contact force between the brackets 41, 61 and 42, 62. Specifically, the turning resistance force can be adjusted by changing the tightening force of the nut 66 with respect to the turning fulcrum shaft 63.

  With respect to the second direction F, the default position of the operation panel 10 is a position where a row such as the numeric keypad 22 arranged on the second operation surface is parallel to the front surface of the copier body 2. Then, the operation panel 10 can be turned to the operator side from the default position by about 25 ° to 35 °, that is, as shown in FIG. 8B, and stopped at an arbitrary turning angle.

(Operational effects by support means)
With the operation panel structure described above, the operation panel 10 can be rotated along the vertical and horizontal planes by the first and second support means 40 and 60 according to the height and posture of the operator. Or according to use of a wheelchair, the 1st and 2nd operation surface can be adjusted to arbitrary angles, and the request | requirement of a universal design can be met.

  In particular, a lock mechanism is provided to prevent the operation panel 10 from being inadvertently rotated downward by the pressing operation of the numeric keypad 22 and the like, and the downward lock is released by the operation of the release lever 54. Become good.

  The first support means 40 holds a predetermined resistance against the operation of rotating the operation panel 10 upward and the operation of rotating the operation panel 10 downward when the lock is released. Since the second support means 60 holds a predetermined resistance against the operation of rotating the operation panel 10 in the horizontal direction, the operation panel 10 can be moved up and down and horizontally with an operational feeling up to an arbitrary angle. It can be rotated.

(Modification example of the lock mechanism, see FIG. 9)
As the lock mechanism of the operation panel 10, various one-way mechanisms other than the coil spring 51 can be used. For example, as shown in FIG. 9, two-stage outer diameter portions 44f and 44g are formed on the rotation fulcrum shaft 44, and a one-way bearing 80 capable of reciprocating the outer diameter portions 44f and 44g is attached. The release cam 74 may be used for movement. The one-way bearing 80 is a well-known one constituted by a ball bearing or a needle bearing. The outer diameter portion 44 f is equal to the inner diameter portion of the bearing 80, and the outer diameter portion 44 g is smaller in diameter than the inner diameter portion of the bearing 80.

  The one-way bearing 80 normally moves to the outer diameter portion 44f side (see FIG. 9A), locks the downward rotation of the movable brackets 45 and 46, and rotates upward. The movement is free. When the release lever 54 is operated, the release cam 74 moves in the direction of arrow h as described above (see FIG. 9B), and accordingly, the one-way bearing 80 moves to the outer diameter portion 44g side and is movable. The lock to the side brackets 45 and 46 is released.

(Other examples)
The operation panel structure according to the present invention is not limited to the above-described embodiment, and can be variously modified within the scope of the gist thereof.

  In particular, the structure and shape of the details of the first and second support means are arbitrary, and a member other than a washer can be used as a brake material that imparts a rotational resistance force. The configuration of the first and second operation surfaces of the operation panel is also arbitrary. The operation panel structure according to the present invention can be provided in an image forming apparatus such as a copying machine, a printer, a facsimile, or a complex machine thereof.

1 is an external perspective view showing a copying machine including an operation panel structure according to the present invention. It is a top view which shows an operation panel. It is a front view which shows an operation panel. It is a side view which shows an operation panel. It is a disassembled perspective view which shows the 1st and 2nd support means. It is a perspective view which shows the 1st and 2nd support means. It is a side view which shows the 1st and 2nd support means, (A) shows a default position, (B) shows the downward rotation position. It is a top view which shows the 1st and 2nd support means, (A) shows a default position, (B) shows the rotation position to the left. It is sectional drawing which shows the modification of a locking mechanism.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Copy machine 2 ... Copy machine main-body part 5 ... Paper discharge part 10 ... Operation panel 40 ... 1st support means 44 ... Rotation fulcrum shaft 51 ... Coil spring 54 ... Release lever 55 ... Washer (brake material)
60 ... Second support means 63 ... Rotating fulcrum shaft 65 ... Washer (brake material)
74 ... Release cam 80 ... One-way bearing

Claims (5)

An operation panel structure for an image forming apparatus, comprising an operation panel installed at a position where the operation unit protrudes from the front surface of the apparatus main body and on the upstream side in the paper discharge direction from the paper discharge unit,
1st support means which supports the said operation panel so that rotation in the up-down direction along a vertical surface is possible, and 2nd support means which supports the said operation panel so that rotation in a horizontal direction along a horizontal surface is possible. ,
The first support means has a lock mechanism that locks only the operation of rotating the operation panel downward, and the lock mechanism is unlocked by operating a release member;
The first support means retains a predetermined resistance against an operation of rotating the operation panel upward and an operation of rotating the operation panel downward when the lock mechanism is released. ,
The second support means holds a predetermined resistance against an operation of rotating the operation panel in a horizontal direction;
An operation panel structure characterized by the above.   The operation panel structure according to claim 1, wherein a direction locked by the lock mechanism is the same as a direction in which a key provided on the operation panel is pressed.   The operation according to claim 1, wherein the lock mechanism is configured by a one-way mechanism that locks the operation panel in a direction in which the operation panel is pressed down and is free in a direction in which the operation panel is pushed up. Panel structure.   The one-way mechanism includes a rotation fulcrum shaft, a coil spring that tightens the rotation fulcrum shaft, and a cam member that releases the tightening force of the coil spring in conjunction with the release member. Item 4. The operation panel structure according to Item 3.   The one-way mechanism includes a rotation fulcrum shaft having a two-stage outer diameter portion, a one-way bearing capable of reciprocatingly moving the two-stage outer diameter portion, a cam member that moves the one-way bearing in conjunction with the release member, The operation panel structure according to claim 3, comprising:

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