JP4013451B2 - control panel - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure of an operation panel that is provided in a device such as a facsimile machine and includes various operation keys.
[0002]
[Prior art]
Generally, a device such as a facsimile machine is provided with an operation panel provided with various operation keys for operating the device.
The various operation keys provided on the operation panel include a plurality of first keys, a cover member that covers the first keys in an openable / closable manner, and a second key provided on the cover member, and the cover member is closed. There is a key structure in which an arbitrary key can be pressed among a plurality of first keys by pressing the second key in a state where the key is pressed.
For example, a mode switch key for switching a copy mode and a facsimile mode on a cover member that covers a plurality of one-touch keys for previously registering destination numbers and the like for facsimile communication as a first key and covers the one-touch keys Is provided as a second key.
[0003]
[Problems to be solved by the invention]
In the key structure configured as described above, the cover member is used as a substrate for attaching the second key. When the second key is assembled to the cover member, a hole formed in the second key is formed. After fitting the projection formed on the cover member and mounting the second key to the cover member, the tip of the projection of the cover member that penetrates the hole of the second key is crushed by heat, ultrasonic waves, etc. Thus, the second key is integrally fixed to the cover member.
Since the second key is attached to the cover member in this way, special work such as heat treatment is required when assembling the second key to the cover member, which requires much work time. It was.
[0004]
[Means for Solving the Problems]
The present invention uses the following means in order to solve the above-described problems in the paper feeder. Specifically, in the first aspect of the present invention, a plurality of first keys, a cover member that can be opened and closed to cover the first keys, a second key that is attached to the cover member, the second key, and the cover member And an engagement piece disposed on the back surface of the cover member, wherein the second key is downward from the back surface side of the second key. And a plurality of supporting legs that protrude downward from the back side of the second key and are arranged around the mounting piece and depress the first key. An attachment hole through which the piece can pass and a support leg hole through which the support leg can slidably pass are formed. The second key is attached to the cover member by engaging the engagement piece with the attachment piece. .
[0005]
According to a second aspect of the present invention, the mounting piece is formed in a substantially cylindrical shape and has a protruding piece projecting outward at the tip, and the engaging piece has a substantially annular plate shape. Formed in the inner peripheral portion has a cutout portion whose position and shape are matched with the protruding piece in a plan view, and has an engaging recess that engages with the protruding piece at a predetermined position, The outer diameter and the inner diameter of the engagement piece are set to be substantially the same diameter.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described with reference to the accompanying drawings. 1 is a perspective view showing a facsimile apparatus to which an operation panel of the present invention is applied, FIG. 2 is a plan view showing the operation panel, and FIG. 3 is a perspective view showing a portion where a one-touch key and a mode switching key of the operation panel are arranged. 4 is a side sectional view, FIG. 5 is a perspective view of the mode switching key mounted on the one-touch cover, as seen from the back side, and FIG. 6 is a bottom view showing the mode switching key mounted on the one-touch cover. It is.
[0008]
First, a schematic configuration of a facsimile apparatus as an example to which the operation panel of the present invention is applied will be described with reference to FIG.
The facsimile apparatus F is configured by disposing a reading unit 2 above the recording unit 1. In the recording unit 1, the recording device 3 and the paper feed cassette 4 are respectively stored in the upper and lower sides. After the paper accumulated on the sheet is fed to the recording device 3 and recorded, it is discharged from the recording paper discharge tray 5.
[0009]
On the other hand, in the reading unit 2, a reading device for reading the contents of a document or the like is housed in the reading case 13, and the document placed on the upper surface of the reading case 13 is scanned by the reading device and read. In addition, a document pressing cover 7 configured to be openable and closable around one side is disposed above the reading case 13 and is placed on the upper surface of the reading case 13 by the document pressing cover 7. The document is pressed from above.
[0010]
Further, an automatic paper feeder (ADF device) 8 that automatically feeds a document is attached to one end of the document presser cover 7, and one document placed on the document supply tray 9 is fed by the automatic paper feeder 8. The pickup is picked up one by one and conveyed to one end of the upper surface of the reading case 13, and after the contents of the conveyed document are read by the reading device, it is discharged to the document discharge tray 10 formed on the upper surface of the document pressing cover 7. It is composed.
[0011]
That is, the reading unit 2 is used as a flat bed type scanner that scans a reading device to read a stationary document, and is also used as a sheet feed type scanner that reads a document while fixing the position of the reading device. It is configured to be able to.
[0012]
Further, an operation panel 15 is attached to one side of the reading case 13, and by operating various operation keys of the operation panel 15, the content of the original is read or transmitted when the read content is transmitted by facsimile. Various operations such as performing the previous setting and recording the received content and the read content by the recording device 3 are performed.
[0013]
Next, the operation panel 15 will be described. As shown in FIG. 2, various operation keys and the like are provided on the operation panel 15.
For example, a start key 21 that is operated when starting facsimile transmission or copying of document contents, a stop key 22 that is operated when stopping these operations, dialing a facsimile transmission destination, and setting the number of copies. A numeric keypad 23 to be operated at the time, a mode switching key 25 to be operated at the time of switching modes such as a facsimile mode and a copy mode, a cursor key 26 for selecting and determining various settings of the facsimile apparatus F and operation contents, and a facsimile apparatus. A display 27 or the like for displaying the operation state or setting state of F is provided.
The mode switching key 25 is provided on a one-touch cover 28 that is attached to the operation panel 15 so as to be opened and closed.
[0014]
As shown in FIG. 3, a plurality of one-touch keys 29, 29... Are provided on the surface of the operation panel 15 below the one-touch cover 28. The one-touch keys 29, 29,... Are covered with the one-touch cover 28 when the one-touch cover 28 is closed, and can be exposed and operated when the one-touch cover 28 is opened.
[0015]
The one-touch keys 29, 29... Can be operated in a state where the one-touch cover 28 is opened, so that a facsimile transmission destination can be registered in advance or a plurality of operation procedures can be registered in advance. Operation such as transmission can be performed with one touch.
[0016]
Also, closing the one-touch cover 28, the sensor arm 28 c projecting from the one-touch cover 28 downward, presses the switching sensor 36 provided on the operation panel 15, as functions of the one-touch key 29 is switched ing. Further, when the mode switch key 25 is pressed with the one-touch cover 28 closed, several one-touch keys 29 are pressed by the mode switch key 25 and turned on.
[0017]
That is, when the switching sensor 36 is pressed and turned on by closing the one-touch cover 28, all the one-touch keys 29 or several one-touch keys 29 pressed by the mode switching key 25 are set in the facsimile mode and the copy mode. By switching the mode switch key 25, the facsimile mode and the copy mode can be switched.
[0018]
As described above, in the operation panel 15, a plurality of one-touch keys 29 as first keys, a mode switching key 25 as a second key, and a substrate to which the mode switching key 25 is attached, and the one-touch key 29 can be opened and closed. The key structure is configured such that the one-touch key 29 can be pressed by pressing the mode switching key 25 with the one-touch cover 28 closed.
In this key structure, when the one-touch cover 28 is closed, the one-touch key 29 pressed by the pressing operation of the mode switching key 25 acts as a switching key for switching between the facsimile mode and the copy mode. In the opened state, each one-touch key 29 is configured such that the function of the one-touch key 29 is switched depending on the open / closed state of the one-touch cover 28 such that it functions as a function key that can register various functions. Yes.
[0019]
Next, the configuration of the one-touch cover 28 and the mode switching key 25 attached to the one-touch cover 28 will be described. As shown in FIGS. 4 to 6, the mode switching key 25 includes a key top 25a formed in a substantially disc shape, a mounting piece 25c protruding downward from a substantially lower center of the key top 25a, and a key top 25a. And a plurality of support legs 25b arranged around the mounting piece 25c. A protruding piece 25d is formed at the lower end of the mounting piece 25c so as to protrude outward in the horizontal direction. The projecting pieces 25d are formed at, for example, two locations that are shifted in phase by approximately 180 degrees.
[0020]
A mounting hole 28a through which the mounting piece 25c and the projecting piece 25d can pass is formed in the one-touch cover 28. Around the mounting hole 28a, there are as many supporting leg holes 28b through which the supporting leg 25b can pass as the number of supporting legs 25b. The number is formed.
The attachment piece 25c and the support leg 25b are slidably fitted into the attachment hole 28a and the support leg hole 28b from above, respectively, and the lower ends of the attachment piece 25c and the support leg 25b protrude downward from the lower surface of the one-touch cover 28.
That is, the one-touch cover 28 is formed with a mounting hole 28a that can receive the mounting piece 25c and the protruding piece 25d, and a plurality of support leg holes 28b that can receive the support leg 25b.
[0021]
Of the plurality of support leg holes 28b, the dimension in the circumferential direction of one support leg hole 28b is formed substantially the same as the dimension of the support leg 25b, and the dimension in the circumferential direction of the other support leg hole 28b is larger than the dimension of the support leg 25b. Is also formed large.
The rotation of the mode switching key 25 in the circumferential direction is restricted by the support leg hole 28b formed so that the dimension in the circumferential direction is substantially the same as the dimension of the support leg 25b.
[0022]
An elastic member 31 is interposed between the one-touch cover 28 and the mode switching key 25. For example, an elastic piece such as a disc spring-like member is fitted to the mounting piece 25c. The elastic member 31 urges the mode switching key 25 upward with respect to the one-touch cover 28.
[0023]
A lock piece 34 is fitted to the mounting piece 25c so as to be rotatable in the circumferential direction from below. The lock piece 34 is formed in a substantially annular shape, and its inner diameter is formed to be substantially the same as the outer diameter of the mounting piece 25c.
A cutout portion 34a is formed on the inner peripheral portion of the lock piece 34, and the position and shape of the lock piece 34 are aligned with the protrusion piece 25d. When the lock piece 34 is fitted into the mounting piece 25c, the protrusion piece 25d is formed on the cutout portion 34a. I try to pass.
That is, the lock piece 34 is formed with a notch 34a capable of receiving the protruding piece 25d.
Further, on the lower surface of the inner peripheral portion of the lock piece 34, an engagement recess 34b is formed at a position whose phase is shifted by approximately 90 degrees from each notch 34a.
[0024]
When the vertical position of the lock piece 34 fitted to the mounting piece 25c is located between the protruding piece 25d and the one-touch cover 28, the positions of the notch 34a and the protruding piece 25d of the lock piece 34 are When the lock piece 34 is rotated approximately 90 degrees from the combined state, the projecting piece 25d and the engagement recess 34b of the lock piece 34 are engaged.
By engaging the lock piece 34 with the protruding piece 25d, the mode switching key 25 fitted to the one-touch cover 28 and urged upward by the urging member 31 is prevented from coming out of the one-touch cover 28, and the mode The switching key 25 can be attached and fixed to the one-touch cover 28.
The mode switching key 25 is urged upward with respect to the one-touch cover 28 by the urging member 31, so that the engagement state between the engagement recess 34b of the lock piece 34 and the protrusion 25d is maintained. .
[0025]
As described above, in the mode switching key 25 attached and fixed to the one-touch cover 28, when the one-touch cover 28 is closed, each leg 25b touches any one-touch key 29 as shown in FIG. When the key top 25a of the mode switching key 25 is pressed, the one-touch key 29 or any one-touch key 29 that is in contact with the leg portion 25b is pressed and turned on.
When the one-touch cover 28 is closed, the function of the one-touch key 29 is switched, and the one-touch key 29 that contacts the leg 25b or all the one-touch keys 29 have a function of switching between the facsimile mode and the copy mode. It becomes.
[0026]
Accordingly, the facsimile mode and the copy mode can be switched by pressing the key top 25a of the mode switching key 25 with the one-touch cover 28 closed.
Since an urging member is interposed between the one-touch cover 28 and the mode switching key 25, the mode switching key 25 can be restored by itself after the mode switching key 25 is pressed.
Further, the mode switch key 25 is provided on the one-touch cover 28 that covers the plurality of one-touch keys 29, the mode switch key 25 and the one-touch key 29 are arranged vertically, and the mode switch key 25 is pressed to operate the one-touch key. By enabling the user to press 29, the space for arranging the mode switching key 25 and the one-touch key 29 is reduced, and the operation panel 15 is downsized.
[0027]
Next, a procedure for assembling the mode switching key 25 to the one-touch cover 28 configured as described above will be described.
When the mode switching key 25 is assembled to the one-touch cover 28, first, the mounting pieces 25c and the leg portions 25b of the mode switching key 25 are inserted into the mounting holes 28a and the support leg holes 28b of the one-touch cover 28 from the front side, respectively. The tip of the mounting piece 25c on which the piece 25d is formed is projected to the back side of the one-touch cover 28. In this case, an urging member 31 is interposed between the mode switching key 25 and the one-touch cover 28.
Next, the lock piece 34 is fitted to the mounting piece 25c by aligning the positions of the protruding piece 25d and the notch 34a, and the lock piece 34 is positioned between the protruding piece 25d and the one-touch cover 28. When the piece 34 is rotated approximately 90 degrees in the circumferential direction, the protruding piece 25d and the engaging recess 34b of the lock piece 34 are engaged, and the mode switching key 25 is attached and fixed to the one-touch cover 28, and the assembly is completed. .
[0028]
Thus, the mode switching key 25 can be assembled to the one-touch cover 28 simply by fitting the mode switching key 25 to the one-touch cover 28 and attaching the lock piece 34 to the mounting piece 25c. It is possible to easily perform the assembling work with a small number of assembling man-hours without using etc., and work efficiency can be improved.
[0029]
Further, since a lock piece 34 that is an engagement piece that can be engaged with the protrusion 25d is provided between the protrusion 25d of the mode switching key 25 and the one-touch cover 28, it is attached to the one-touch cover 28. The mode switching key 25 can be prevented from falling off the one-touch cover 28, and the assembled state can be stably maintained.
Furthermore, the locking piece 34 is formed with an engaging recess 34b that engages with the protruding piece 25d at a predetermined position, such as a position shifted by approximately 90 degrees from the notch 34a through which the protruding piece 25d can pass. Therefore, it is possible to easily attach and fix the mode switching key 25 to the one-touch cover 28 and prevent the mode switching key 25 from falling off.
The lock piece 34 is not only an annular member that can be engaged with the attachment piece 25c, but, for example, a screw-in type that enables the mode switching key 25 to be fixed to the one-touch cover 28 by screwing into the attachment piece 25c. Any member that does not integrate the mode switching key 25 and the one-touch cover 28, such as the above member or a member having a split pin shape that can be inserted into the attachment piece 25 c, may be used.
[0030]
In this example, the operation panel 15 applied to the facsimile apparatus F has been described as an example. However, the present invention is not limited to this, and can be applied to an operation panel of various devices having a plurality of types of operation keys. .
[0031]
【The invention's effect】
The present invention has the following effects when the operation panel is configured as described above. First, as in claim 1, a plurality of first keys, an openable / closable cover member covering the first keys, a second key attached to the cover member, and between the second key and the cover member An operation panel comprising an interposed elastic member and an engagement piece disposed on the back surface of the cover member, wherein the second key includes an attachment piece protruding downward from the back surface side of the second key, A plurality of support legs that project downward from the back side of the two keys and that are arranged around the attachment piece and that depress the first key. The cover member has an attachment hole through which the attachment piece can pass and a support leg that slides. A support leg hole that can be moved through is formed, and the second key is attached to the cover member by engaging the engagement piece with the attachment piece, so that the position of the second key can be easily fixed by a simple operation. Can be installed easily and requires no special work and can be done easily with a small number of assembly steps. It is possible to carry out, it is possible to improve the working efficiency.
Further, the second key can be prevented from falling off the cover member, and the assembled state of both can be stably maintained.
[0032]
Further, according to the second aspect, the mounting piece is formed in a substantially cylindrical shape with a protruding piece protruding outward at the tip, and the engaging piece is formed in a substantially annular plate shape, The inner peripheral portion has a cutout portion whose position and shape are matched with the protruding piece in plan view, and has an engaging recess that engages with the protruding piece at a predetermined position, and the outer diameter of the mounting piece and the engaging piece Since the inner diameter is set to be substantially the same diameter, the second key fitted to the cover member and urged upward by the elastic member by engaging the engaging recess of the engaging piece with the protruding piece is It is possible to prevent the member from coming out of the member, and to fix the second key to the cover member. Therefore, the position of the second key attached to the cover member can be fixed more easily with a simple operation, and no special operation is required, and the assembly operation can be easily performed with a small number of assembly steps. Thus, the work efficiency can be improved.
Further, the second key can be further prevented from falling off the cover member, and the assembled state of both can be more stably maintained.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a facsimile apparatus to which an operation panel of the present invention is applied.
FIG. 2 is a plan view showing an operation panel.
FIG. 3 is a perspective view showing a portion where a one-touch key and a mode switching key of an operation panel are arranged.
FIG. 4 is a side sectional view of the same.
FIG. 5 is a perspective view seen from the back side showing a mounting state of the mode switching key to the one-touch cover.
FIG. 6 is a bottom view showing a state in which the mode switching key is attached to the one-touch cover.
[Explanation of symbols]
F Facsimile machine 15 Operation panel 25 Mode switching key (second key)
25b Support leg 25c Mounting piece 25d Projection piece 28 One-touch cover (second key board)
28a Mounting hole 28b Support hole 29 One-touch key (first key)
31 Energizing member 34 Lock piece 34a Notch 34b Engaging recess

Claims (2)

A plurality of first keys, an openable / closable cover member covering the first key, a second key attached to the cover member, and an elastic member interposed between the second key and the cover member; An operation panel including an engagement piece disposed on the back surface of the cover member,
The second key is provided with a mounting piece projecting downward from the back side of the second key, and projecting downward from the back side of the second key and arranged around the mounting piece, and depresses the first key. Including a plurality of support legs,
The cover member is formed with a mounting hole through which the mounting piece can penetrate and a support leg hole through which the support leg can slidably pass, An operation panel in which the engagement piece is engaged with the attachment piece and the second key is attached to the cover member. The mounting piece is formed in a substantially cylindrical shape with a protruding piece protruding outward at the tip,
The engaging piece is formed in a substantially annular plate shape, and has a notch portion whose position and shape are matched with the protruding piece in plan view on the inner peripheral portion, and is engaged with the protruding piece at a predetermined position. An engaging recess to The operation panel according to claim 1, wherein an outer diameter of the attachment piece and an inner diameter of the engagement piece are set to be substantially the same diameter.

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