JP3194617B2 - Display body opening and closing device and OA equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display body opening / closing device suitable for opening / closing a display body such as a word processor or a personal computer represented by a laptop, and an O / O device.
Related to the A device.

[0002]

2. Description of the Related Art This type of OA equipment is configured so that a display body can be opened and closed on a keyboard, and various opening / closing devices for the display body for this purpose are known. However, in many cases, a single shaft is basically used, and there are very few structures in which the display body is opened and closed in a complicated manner using a plurality of shafts.

As the OA equipment has advanced, it has been required that the opening and closing device of the display body also have various functions. For example, in order to reduce the size of the OA equipment, the toner cartridge can be replaced from the apparatus body, which is usually partially or entirely covered by the rear part of the display body, or the display body is opened at an angle of use. In order to make it easier to see when moving, it is necessary to move the operator as far forward as possible.

[0004] Further, if the lock device is removed when the display body is opened, the display body naturally hops up or the display body can be stopped at a free stop when the display body is opened and closed. It is required as a function to be equipped.

[0005]

SUMMARY OF THE INVENTION It is a first object of the present invention to provide, among the above-mentioned various requirements, a portion of a device body which is usually covered by a rear portion of a display body when the display body is opened. And, when the display body is opened at an angle of use, the display body is configured to be moved forward as much as possible,
An object of the present invention is to provide a display opening / closing device for OA equipment.

A second object of the present invention is to automatically hop up the display body when the lock device for the display body is removed while retaining the above-mentioned functions.
Another object of the present invention is to provide a display body opening / closing device for OA equipment configured to be able to freely stop the display body during the opening / closing operation.

[0007]

The above object is achieved.
Because of this invention,Mounting member provided on the device body side
And swingably attached to this mounting member with different pivot points
A first support member and a second support member attached to the first support member;
The free end sides of the support member and the second support member are also pivotally supported.
And a cam plate rotatably mounted on the shaft.
One end is fixed to the cam plate and the other end is the first hinge
Shaft attached to the
A second hinge arm pivotally mounted, and the second hinge arm
Spring elastically provided between the first hinge arm and the first hinge arm
A pair of the second hinge arm and the first hinge arm.
Locking means for rotating by a predetermined angle.
That the second hinge arm is attached to the display
Features.

At this time, the present invention provides the first support member
Friction on the part to be attached to the mounting member and cam plate
Means, and one end of each of the friction means is
A pair of rotating shafts fixed to one support member,
Between each of the rotating shafts and the mounting member and the cam plate.
It is composed of various washers interposed in pressure
Can be.

[0009]

The cam plate pivots via the shaft in accordance with the opening operation of the display body, and the first and second support members supporting the cam plate via the cam plate rotate about a pivot point with respect to the mounting member. As a result, the rear end of the display body moves forward together with the shaft, and the open display body moves forward. At this time, the friction means brakes the movement of the first support member with respect to the mounting member and the cam plate.

Further, when the lock device for the display body is released, the display body hops up due to the spring provided between the first hinge arm and the second hinge arm.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of the present invention; FIG. 1 is a perspective view of a main body provided with a keyboard; FIG. The member 3 is fixed, and the mounting member 3
A pair of first support members 4 and second support members 5 are pivotally mounted on the support plate 3b so as to be pivotally different. Of these, a portion to which the first support member 4 is attached is provided with friction means as described below.

In particular, as shown in FIGS. 4 and 9, a first rotary shaft 6 rotatably supports a small diameter portion 6a of the small diameter portion 6a in a shaft support hole 3c provided in a support plate 3b of the mounting member 3. Yes,
The first support member 4 engages and fixes the deformed hole 4a to the substantially rectangular end 6c located at the right end on the opposite side of the first rotary shaft 6. An insertion hole 7 provided at the center between the large diameter portion 6b of the first rotating shaft 6 and the support plate 3b.
a through the small-diameter portion 6a, for example, a slider washer 7 made of synthetic resin is interposed. On the other side of the support plate 3b opposite to the side on which the slider washer 7 is interposed, the insertion holes 8a, 9a, 10a are formed. A thrust washer 8 made of, for example, phosphor bronze, a spring washer 9, and a flat washer 10 for holding are inserted through the small diameter portion 6 a, and the friction means 11 is formed by caulking the end of the small diameter portion 6 a. I have. Therefore, the first support member 4
Rotates together with the first rotating shaft 6 only when a predetermined rotating torque is applied. A side plate 13a of a case body 13 shown by an imaginary line in FIG. 3 is attached to a caulking side end of the small diameter portion 6a by an attachment screw 12 screwed in an axial direction thereof.

As shown in FIGS. 6 and 9, the second support member 5 is rotatably mounted on a support shaft 14 mounted in a mounting hole 3e provided in the support plate 3b via a bearing hole 5a. An insertion hole 1 provided in the small diameter portion 14a of the support shaft 14 at the center thereof.
A pair of slider washers 15, 16 is interposed between the left and right sides by inserting 5 a, 16 a, and the slider washers 15, 16 are pressed against both sides of the second support member 5 by buckling washers 17.

The free end sides of the first support member 4 and the second support member 5 are rotatable via a second rotary shaft 19 and a support shaft 26 at different positions of a cam plate 18 having a substantially triangular plane at different shaft support locations. It is pivoted on. Among these, the first support member 4 is further provided with friction means described below.

In particular, as shown in FIGS. 5 and 9, a second rotary shaft 19 rotatably supports a small-diameter portion 19a in a mounting hole 18a provided in the cam plate 18.
The first support member 4 has a deformed hole 4b engaged and fixed to an end portion 19c formed in a substantially rectangular shape at the right end on the opposite side of the second rotary shaft 19. Between the large diameter portion 19b of the second rotary shaft 19 and the cam plate 18, a small diameter portion 19a is inserted through an insertion hole 20a provided in the center, and a slider washer 20 made of, for example, a synthetic resin is interposed. On the side of the plate 18 opposite to the side on which the slider washer 20 is interposed, the respective insertion holes 21a, 22
The thrust washer 21 made of phosphor bronze and the spring washer 2
2, and a flat washer 23 for holding are sequentially interposed, and the end of the small diameter portion 19a is swaged to form a friction means 24.
Is composed. Therefore, the second support member 4 can rotate the second rotation shaft 19 only when a predetermined rotation torque is applied.
Rotate with. The side plate 13a of the case body 13 shown by the imaginary line in FIG. 3 is attached to the caulking-side end of the small diameter portion 19a by a mounting screw 25 screwed in the axial direction.

As shown in FIGS. 7 and 9, the second support member 5 has a mounting hole 1 formed in the cam plate 18. As shown in FIG.
A pair of slider washers are rotatably mounted on a support shaft 26 attached to the support shaft 8b through a bearing hole 5b, and through insertion holes 27a and 28a provided in the center of a small diameter portion 26a of the support shaft 26. The slider washers 27, 28 are pressed against both sides of the second support member 5 by buckling washers 29.

As shown in FIGS. 8 and 9, a substantially rectangular right end of a shaft 30 extending through an arcuate guide hole 13b provided in a side plate 13a of the case body 13 is further provided on the cam plate 18. The portion 30a is engaged with the deformation hole 18c, and the washer 32
34. The left end of the shaft 30 is connected to the substantially rectangular end 30 b by a first hinge arm 35.
And is fixed to the first hinge arm 35 via a washer 37 by a mounting screw 36. This first hinge arm 35 is particularly
As shown in FIG. 0, a torsion coil spring 39 extends around a long hole 35b in the middle of the keyboard 1 and a pin 38 fixed to a mounting hole 35d provided at the end thereof. One end 39a of the torsion coil spring 39 is connected to the projection 3 protruding from the first hinge arm 35.
5c.

More particularly, FIG. 3 and FIG.
As shown in (2), the second hinge arm 40 has a bearing hole 40a provided at one end thereof rotatably mounted on a shaft. The second hinge arm 40 is attached to a mounting hole 40b. A stopper pin 41 that engages with the elongated hole 35b of the one hinge arm 35, and a locking pin 42 that is mounted in the mounting hole 40c and locks the other end 39b of the torsion coil spring 39 are mounted. Then, the mounting pieces 4 protruding from the lower part of the second hinge arm 40 are provided.
A display body 45 is fixed to 3 and 44.
47 is a washer.

Therefore, when the display body 45 is closed on the keyboard 1, the display body 4 is closed.
5 is in the state shown in FIG. 1 and FIG. 10, but when the lock device (not shown) for the display body 45 is removed, the second hinge arm 40 is drawn in phantom in FIG. 10 by the elastic force of the torsion coil spring 39. As shown, the display body 45 is hopped up to the opening angle at which the stopper pin 41 comes into contact with the upper end of the elongated hole 35b of the first hinge arm 35, and is automatically opened.

In this state, when the tip of the display body 45 is pressed upward with the tip thereof, the second hinge arm 40 and the first hinge arm 35 are both rotated and opened, and at this time, the cam plate 18 is moved by the shaft 30 to the first position. Since it is opened while rotating around the two rotation shaft 19, the first support member 4
And second rotating shafts 6 and 19 for supporting the first and second support members 5 on the mounting member 3 and the cam plate 18 and the support shaft 1
Fourth axis link motion by 4, 26
The support member 4 and the second support member 5 pivot counterclockwise as shown in FIG. Accordingly, as shown in FIG. 11, the rear end of the display body 45 moves forward, and the portion of the apparatus main body 2 which has been covered by the rear end is opened, and this opened end is opened. The toner cartridge 46 housed inside the portion can be replaced.

When the display body 45 is further opened, FIG.
As shown in FIG. 2, the first support member 4 and the second support member 5 are pushed by the cam plate 18 and the support shaft 26 of the second support member 5 wraps around the second rotation shaft 19 of the first support member 4. Although rotated slightly clockwise and returned, the shaft 30 is still located on the keyboard 1 side, and the opened display body 45 has been moved forward. And this display body 45 is 125 ° with respect to the horizontal position.
Opened until.

Next, when opening and closing the display body 45, the rotating shafts 6, 1 that rotate together with the first support member 4 are used.
Since the friction members 11 and 24 are arranged in parallel to the display unit 9, the display body 45 is stopped and held at an arbitrary position by the friction members 11 and 24.

[0023]

According to the first aspect of the present invention ,
When the display is opened, the rear part moves forward and the device
Area covered by the rear of the display on the main unit
It is possible to replace the toner cartridge installed in the minute
In addition, when the display body is opened to the use angle, the display
The effect is that the play body moves forward to make it easier to see.
And remove the locking device for the display
Automatically hops the display to a predetermined angle
The effect of opening up can be achieved.

When configured as in claim 2, the contract
Opening and closing the display body with the same effect as claim 1
Keep stable stop at free stop during operation
It can provide an advantage that but kill in.

[0025] When configured as in claim 3, special features are provided.
OA which has the above-mentioned effect which each of claims 1 and 2 has
Equipment can be provided.

[Brief description of the drawings]

FIG. 1 is a right side view of a display body opening / closing device according to the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a plan view of FIG. 1;

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a sectional view taken along line BB of FIG. 3;

FIG. 6 is a sectional view taken along line CC of FIG. 3;

FIG. 7 is a sectional view taken along line DD of FIG. 3;

FIG. 8 is a sectional view taken along line EE of FIG. 3;

9 is an exploded perspective view of the device according to FIG.

FIG. 10 is a left side view of the apparatus according to FIG. 1;

11 is a right side view showing a state in which the display body is half opened in the apparatus shown in FIG.

FIG. 12 is a right side view showing a state where the display body is fully opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Keyboard 2 Device main body 3 Mounting member 4 1st support member 5 2nd support member 6 1st rotating shaft 6a, 19a Small diameter part 6b, 19b Large diameter part 7, 20 Slider washers 8, 21 Thrust washers 9, 22 Spring washers 10 , 23 flat washer 11 friction means 13 case body 13a side plate 14 support shaft 18 cam plate 19 second rotating shaft 24 friction means 26 support shaft 30 shaft 35 first hinge arm 38 pin 39 torsion coil spring 40 second hinge arm 41 Stopper pin 45 Display body

Claims (3)

(57) [Claims] A mounting member provided on an apparatus main body side;
Pivotally attached to the mounting member of
First and second support members, and the first support portion
The free end side of the material and the second support member has the same shaft support
And a cam plate that is pivotally mounted
One end is fixed to the plate and the other end is attached to the first hinge arm.
Attached to the shaft that is attached
A second hinge arm, and the second hinge arm
A spring elastically provided between the first hinge arm and the front hinge arm;
The second hinge arm is positioned with respect to the first hinge arm.
Locking means for rotating by a fixed angle;
The characteristic feature is that the arm is attached to the display
OA display opening and closing device. 2. The method according to claim 1, wherein the first support member is connected to the mounting member and a cap.
A friction means is provided at the part to be axially attached to the
One end of each rubbing means is fixed to the first support member.
And a pair of rotating shafts,
Interposed between the mounting member and the cam plate in a pressure contact state
The contractor is characterized by consisting of various washer
A display body opening / closing device for an office automation apparatus according to claim 1. 3. A display according to claim 1, wherein
An OA device equipped with a body opening / closing device.