JPH0637418Y2 - Storage structure for developing device of copier - Google Patents

Description

TECHNICAL FIELD The present invention relates to a structure for housing a developing device of a copying machine.

2. Description of the Related Art At present, electrostatic copying machines (hereinafter abbreviated as copying machines) are widely used as office equipment. As one of the directions for improving such a copying machine, miniaturization and weight reduction are pursued.
Therefore, at present, a miniaturized copying machine that can be used even in a normal home is widely used.

FIG. 10 is a perspective view showing the appearance of a part of a typical prior art copying machine 1. Referring to FIG. 10, the conventional copying machine 1 is a small model as described above, and a handle 2 is provided on one side of the copying machine 1 to improve the usability, so that the copying machine 1 can be easily transported. I am able to do it. The copying machine 1 is provided with an operating section 4 on its front plate 3. The operation unit 4 sets a function display unit 6 that displays various functions and the like for each operation key group including a function key and a numeric keypad, a number display unit 7 that displays the number of copies, and an exposure state in the copying machine 1. And an exposure adjustment knob 8 for controlling the exposure. Further, in the copying machine 1 of the conventional example, the original cover 10 provided on the machine body 9 of the copying machine 1 covers the original loading table (not shown) made of a transparent glass plate or the like on which the original is placed. It moves back and forth in the direction of arrow A1 or in the direction of arrow A2 during copying.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In such a conventional copying machine 1, as shown in FIG. 10, the operating portion 4 is configured to be flush with the front plate 3, so that, for example, the exposure adjusting knob 8 is located in front. It is configured to project upward from the face plate 3. Therefore, when a relatively large original 11 is copied by the copying machine 1, it is naturally assumed that such an original 11 protrudes from the original cover 10 to the operation section 4 side as shown in FIG. Therefore the original cover
The document 11 also reciprocates along with the reciprocating movement of the arrow A1 direction or arrow A2 direction, and at this time, the document 11 is caught by the exposure adjusting knob 8 and the document 11 is displaced on the document mounting table, or There was a problem that it might be damaged.

In addition, when the copying machine 1 is hung by the handle 2 and transported,
Since the exposure adjustment knob 8 projects from the front plate 3, there are cases in which the exposure adjustment knob 8 is damaged due to contact with a peripheral object during such transportation.

FIG. 11 is a simplified sectional view of another conventional copying machine 12. When the copying machine 12 is an electrostatic transfer type using toner, a developing device 14 for storing toner is provided in the body 13 of the copying machine 12. When inspecting such a developing device 14, first, the front plate 15 is angularly displaced in the direction of arrow A3 and opened, and the developing device 14 is pulled out in the direction of arrow A5 to perform the inspection work. Thereafter, the developing device 14 is housed in the machine body 13 in the direction of arrow A6 and the front plate 15 is housed in the machine body 13 in the direction of arrow A6.
Close 15 by angularly displacing 15 in the direction of arrow A7.

At this time, in the relatively large-sized copying machine 12, generally, the developing device 14
There is a gap L1 between the front plate 15 and the front plate 15, and therefore, in order to securely mount the developing device 14 and prevent the developing device 14 from rattling, the front plate 15 is provided with a pressing member 16. . In such a conventional technique, there is a problem that the configuration becomes large and the pressing member 16 needs to be provided as a separate component, so that the number of components increases and the manufacturing process becomes complicated. .

An object of the present invention is to solve the above technical problems, and to provide a storage structure of a developing device of a copying machine using an operation panel which can be downsized and whose usability is remarkably improved.

Means for Solving the Problems The present invention provides a developing device that is detachably installed from the front side in the body of a copying machine, and a front plate that is openable and closable in the direction of taking out the developing device from the body. An exterior part which is a continuous structure and surrounds an arrangement area in which an operation part is arranged, and an operation panel body which is arranged on the inside of the body from the outermost part of the exterior part and is provided in the arrangement area. And a storage panel for a developing device of a copying machine using the operation panel, wherein the developing device is pressed toward the machine body at the back part of the operation panel by closing the operation panel. It is a structure.

Operation According to the present invention, the operation panel of the copying machine is provided on a part of the front plate of the machine body. The operation panel is configured to be continuous with the front plate, and has an exterior part that surrounds the placement area where the operation panel is located, and an operation panel body that is located closer to the body than the outermost part of the exterior part. Including and Therefore, when transporting a machine body in which such an operation panel is arranged, various keys and knobs arranged in the operation panel body are not exposed to the outside of the outermost part of the exterior portion, and therefore, It is possible to prevent a situation in which an object collides with the key or knob during transportation and is damaged.

Further, according to the present invention, a developing device which is detachable from the front side is provided in the body of the copying machine. An operation panel that can be opened and closed is provided on the side of the developing device that is taken out from the machine body. By this closing operation of the operation panel, the developing device is pressed toward the machine body by the rear portion of the operation panel. As a result, it is not necessary to provide a member for pressing the developing device as a separate component, the space inside the machine body is saved, and the structure is downsized. In addition, the number of parts can be reduced, which also contributes to a reduction in manufacturing cost.

Embodiment FIG. 1 shows an electrostatic copying machine according to an embodiment of the present invention.
2 is a perspective view of a copying machine 21. FIG. 2 is a perspective view showing a state in which a document cover 22 of the copying machine 21 is opened. First
The copying machine 21 will be described with reference to FIGS.
An original cover 22 is provided on the machine body 23 of the copying machine 21 so as to be freely angularly displaced, and a lower portion of the original cover 22 is realized by, for example, a transparent glass plate or the like, and an original placing table on which an original is placed.
24 are provided. The original document on the original table 24 is exposed by an optical system built in the machine body 23, is placed on the paper feed tray 25, and is copied onto the copy paper supplied from the paper feed port 26 into the machine body 23 by, for example, a toner image. The output tray
Discharged on 27. Document placing table 24 during copying operation
The document cover 22 and the document cover 22 are integrally driven to run in the arrow B1 direction or the arrow B2 direction.

A handle 28 is attached to the paper feed port 26 side of the machine body 23 so as to be freely angularly displaced. An operation panel 30 that is basically flush with the front plate 29 is arranged on the front side of the machine body 23 (on the lower left side in FIGS. 1 and 2). Further, on the side where the handle 28 is formed,
A power switch 31 and a lid 32 for the cord storage portion are arranged.

FIG. 3 is a front view of a part of the copying machine 21. Referring also to FIG. 3, the operation panel 30 is arranged on the front side of the machine body 23 with an occupied area of, for example, about the right half or less. The operation panel 30 has a structure that is basically flush with the front plate 29, and includes an exterior portion 33 that forms a part of the exterior of the machine body 23. A part of the exterior part 33 is provided with a recess 34 that is recessed inward of the machine body 23 with respect to the surface of the exterior part 33.

An operation panel body 36 including a plurality of key switches and the like is formed in the arrangement area 35 in the recess 34. The operation panel main body 36 has a copy number setting key 37 for setting the number of copies, a cancel key 38, a copy operation start key 39, a display section 40 for displaying the number of copies, and an exposure amount for adjusting the copy density. An exposure adjustment knob 41 is arranged. Also exterior
A confirmation window 42 for confirming the color of the developer (toner) used in the copying machine 21 is formed at 33, as will be described later. Such an operation panel 30 can be angularly displaced about the axis 43,
It can be opened and closed freely with respect to the machine body 23. On the operation panel 30, an opening button 44 for releasing the operation panel 30 from the locked state with respect to the machine body 23 is provided.

4 is a sectional view taken along the section line IV-IV in FIG. 3, FIG. 5 is an exploded perspective view of the vicinity of the operation panel 30, and FIG. 6 is a view in which the operation panel 30 is opened from the machine body 23. It is a perspective view of a state. Referring to these drawings together, the operation panel 30
A pair of mounting pieces 47 are formed inside the outer casing 33, and the pair of mounting pieces 47 are angularly displaceably fitted to a pair of shafts 46 formed on the axis 43 of the main body frame 45.

The release button 44 is made of a synthetic resin material and has a pressing portion 48.
And a locking claw 49, and a fixing portion 50 for fixing these to the main body frame 45. A locking recess 51 is formed in a portion of the body frame 45 corresponding to the locking claw 49.

In the main body frame 45, the developing device 53 is mounted in the arrow B3 direction and is taken out in the arrow B4 direction from the opening 52 after the operation panel 30 is opened.

In the operation panel 30, a back plate 54 is provided on the back surface of the exterior part 33.
Is provided. On the other hand, the operation panel body 36 is a decorative plate.
55, a key mechanism 56, and a wiring board 57 are combined. The wiring 58 from the wiring board 57 extends inward of the machine body 23 via the front plate 29 as shown in FIG.

When the copying machine 21 of this embodiment is an electrostatic transfer type using toner, the developing device 53 owns toner and attaches it to a photosensitive drum (not shown) by the action of static electricity. .

In the developing device 53, the toner is a consumable item, and therefore, it is necessary to replenish the toner with new toner. Further, when the color copying is performed in the copying machine 1, the developing device 53 is replaced by another one. It is detachably attached to the machine body 23 in order to replace it with the developing device which stores the toner of the color. Such a developing device 53 is provided with a connector 59 for transmitting an electric signal or the like for electrically detecting the residual amount of toner, and also for efficiently using the stored toner. Within 53, a drive gear 60 for rotationally driving a transfer means for transferring toner in one direction is provided. Such a connector 59 and drive gear 60 are attached to the airframe 23.
It is connected to the connector 61 and the drive gear 62 on the side.

In order to realize the correct coupling of the connectors 59, 61 and the driving gears 60, 62 with each other, the developing device 53 is provided with positioning recesses 63, 64, and the positioning recesses 63, 64 are fitted on the machine body 23 side. Positioning pins 65, 66 are provided.

In order to prevent the developing device 53 mounted on the machine body 23 from rattling during use or falling off to the outside,
A lock mechanism is provided at 53. The lock mechanism includes a lever 67 provided on the operation panel 30 side of the developing device 53 and a locking claw 68 formed at an end of the lever 67, and the locking claw 68 is locked. The piece 69 is provided on the body 23 side. The lever 67 and the locking claw 68 are biased by a torsion spring 70 in the arrow C1 direction. That is, the developing device 53 is the fourth
As shown in the figure, the locking claw 68 is mounted on the machine body 23 side.
Is engaged with the locking piece 69 by the spring force of the torsion spring 70, and the locked state is not released unless the lever 67 is manually operated in the direction opposite to the arrow C1 direction, for example.

Further, a color display section 71 is provided at the end of the developing device 53 on the operation panel 30 side, and the color of the toner stored in the developing device 53 is displayed. That is, by visually recognizing the color display portion 71 from the confirmation window 42, the color of the toner in the developing device 53 currently used can be identified.

Further, the color display portion 71 is arranged at a relative position so as to come into contact with the inner side end portion 72 of the exterior portion 33 when the operation panel 40 is closed as shown in FIG. That is, when the developing device 53 has not reached the final mounting completion state (shown in FIG. 4) when a new developing device 53 is mounted in the copying machine 21, the operation panel 30 is closed as shown in FIG. As a result, the inner end 72 presses the color display portion 71 of the developing device 53 toward the machine body 23, and the developing device 53 is securely mounted.

On the other hand, the operation panel body 36 is provided in the recess 34, and the height of the exposure adjustment knob 41 located at the outermost position among the components forming the operation panel body 36 does not exceed the surface of the exterior portion 33. Is configured as follows. This state is shown in FIG.

That is, in the copying machine 21 of the present embodiment, when a relatively large original 73 is placed below the original cover 22 and a copying operation is performed, the end of the original 73 is located outside the original cover 22 as shown in FIG. Even if the document 73 hangs down, the edge of such an original document 73 is exposed by the exposure adjustment knob 41 as described in the section of the prior art.
It is possible to prevent a situation in which the copy position is displaced due to contact with the, or the document 73 is damaged. Also for the same reason, even when the copying machine 21 is carried by gripping the grip 28, as described in the section of the prior art, such an exposure adjusting knob 41 is used.
The situation that an object collides with and damages it is prevented.

FIG. 8 is a perspective view of a part of the copying machine 21a according to the second embodiment of the present invention. The present embodiment is similar to the above-mentioned embodiment, and corresponding parts are designated by the same reference numerals. The important point of this embodiment is that the operation panel body 36 of the operation panel 30 is attached to the exterior part 33.
For example, the operation panel main body 36 is surrounded by a peripheral wall 74 which is higher than the outermost parts of the operation panel main body 36. Even when the copying machine 21a is carried by the human hand 75 as shown in FIG. 9, the operation panel main body 36 is protected by the peripheral wall 74, so that the same effect as the above-described embodiment can be obtained.

As described above, according to the present invention, the operation panel of the copying machine is provided on a part of the front plate of the machine body. The operation panel is configured to be continuous with the front plate, and has an exterior part that surrounds the placement area where the operation panel is located, and an operation panel body that is located closer to the body than the outermost part of the exterior part. Including and Therefore, when transporting a machine body in which such an operation panel is arranged, various keys and knobs arranged in the operation panel body are not exposed to the outside of the outermost part of the exterior part, and Therefore, it is possible to prevent a situation in which an object collides with the key or knob during the transportation to damage it. Also, even when copying a large original,
It is possible to prevent the original from coming into contact with the knobs or the like to shift the copy position or damage the original.

Further, according to the present invention, the closing operation of the operation panel causes the rear portion of the operation panel to press the developing device toward the machine body, so that the developing device can be securely attached to the machine body and Since it is not necessary to separately provide parts and the like, it is possible to save space inside the machine body, contribute to downsizing of the configuration, reduce the number of parts, and reduce the manufacturing cost.

[Brief description of drawings]

FIG. 1 is a perspective view of a copying machine 21 according to an embodiment of the present invention, and FIG. 2 is a perspective view of the copying machine 21 with a document cover 22 open.
3 is a front view near the display panel 30, FIG. 4 is a sectional view taken along the section line IV-IV in FIG. 3, and FIG.
FIG. 6 is an exploded perspective view of the configuration related to FIG. 6, FIG. 6 is a perspective view of the machine body 23 with the operation panel 30 opened, FIG. 7 is a simplified sectional view of the vicinity of the operation panel 30, and FIG. FIG. 9 is a perspective view of a part of the copying machine 21a of the embodiment of FIG.
FIG. 10 shows a state in which 1a is transported, FIG. 10 is a perspective view of a part of the first conventional copying machine 1, and FIG. 11 is another conventional copying machine.
12 is a simplified sectional view of 12. FIG. 21,21a …… Copier, 22 …… Original cover, 23 …… Machine, 28
...... Handle, 29 …… Front plate, 30 …… Operation panel, 33 …… Exterior part, 35 …… Arrangement area, 36 …… Operation panel body, 41 ……
Exposure adjustment knob, 42 ... Confirmation window, 53 ... Developing device, 63, 6
4 …… Positioning recess, 65,66 …… Pin, 67 …… Lever, 68
...... Locking claw, 69 …… Locking piece, 71 …… Color display, 72 …… Inner end, 74 …… Peripheral wall

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Tetsuo Mori Creator Tetsuo Mori 22-22 Nagaike-cho, Abeno-ku, Osaka-shi, Osaka Within Sharp Co., Ltd. (56) References JP-A-60-24984 (JP, A) -69250 (JP, U) Actually opened 60-128356 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A developing device which is detachably provided from the front side in a body of a copying machine, and a developing device which is openably and closably provided in a direction of taking out the developing device from the body and is continuous with a front plate. An operation panel that includes an exterior portion that surrounds an arrangement area in which the operation portion is arranged, and an operation panel main body that is disposed on the inner side of the body with respect to the outermost portion of the exterior portion and that is provided in the arrangement area. A storage structure for a developing device of a copying machine using an operation panel, characterized in that the developing device is pressed toward the machine body at the back of the operation panel by closing the operation panel.