JP3201543B2 - Recorder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recorder and, more particularly, to an improved mounting of a display unit.

[0002]

2. Description of the Related Art FIG. 5 is a block diagram showing an example of a conventional recorder controlled by a microprocessor. In the figure, reference numeral 1 denotes a case for storing the internal unit of the recorder. Reference numeral 2 denotes a door, which is attached to the case 1 so that it can be opened and closed in the horizontal direction with the left side of the front surface as a center of rotation. Reference numeral 3 denotes a display unit, which is attached to the inner unit housed in the case 1 so as to be rotatable in a lateral direction about a right side surface of the frame as a center of rotation. That is, the door 2 is attached so as to open leftward, and the display unit 3 is attached so as to open rightward. In the closed state, the door 2 is latched on the right side of the case 1 via the latch mechanism, and the display unit 3 is latched on the left side of the frame of the internal unit via the latch mechanism.

In such a configuration, the display unit 3
Is opened and closed as necessary when the front surface of the inner unit needs to be widely opened, such as when replacing consumables such as the recording paper 4 or the ink ribbon cassette 5 or adjusting and inspecting the inner unit.
Here, since the door 2 and the display unit 3 are mounted so as to open in different directions from each other, the display unit 3
The door 2 does not become an obstacle in opening the door.

[0004]

However, according to such a conventional structure, one end in the longitudinal direction of the display unit 3 is rotatably attached to the side surface of the inner unit frame via the hinge, so that the display unit 3 is rotatable. In a state in which the hinge 3 is opened, a hanging load is applied to the hinge. Therefore, it is necessary to increase the rigidity of the hinge so as not to be deformed by the load, but it is difficult to increase the rigidity of the hinge.

[0005] Further, since the rotation center axis of the display unit 3 is close to the front end of the side surface of the inner unit frame, the radius of rotation of the wiring cable for electrically connecting the inner unit and the display unit 3 becomes small, and a disconnection accident occurs. Is liable to occur. Further, when the display unit 3 becomes longer and heavier, the load of the latch mechanism for latching the display unit 3 also increases, and the wear becomes severe, so that a stable latch state cannot be obtained.

In some cases, it is desirable that the door be opened to the right depending on the type of use of the recorder. However, if the display unit is opened to the right, the display unit cannot be opened widely, resulting in reduced operability. Further, since each part is fastened and fixed with a large number of screws, press fitting, etc., the number of parts increases, and assembling also requires man-hours.

The present invention has been made in view of such a problem, and an object of the present invention is to provide a high recorder which can obtain high reliability even when the display unit can be rotated.

[0008]

A recorder according to the present invention has a center of rotation centered on an upper front portion between frame side surfaces of an inner unit.
A display unit that is mounted to be rotatable in the vertical direction
With the display unit rotated to almost the horizontal position.
Holding mechanism and the display unit
Release mechanism to release the horizontal
Recorder, including these frames and display units.
Port, latch mechanism, and release mechanism are molded from synthetic resin.
It is characterized by being engineered .

[0009]

The display unit is normally latched so as to form a vertical surface at the upper front portion between the side surfaces of the frame of the inner unit. To open the front of the inner unit, open the door, release the latch of the display unit, and raise the display unit upward to a position that is almost horizontal with the upper front part between the frame side surfaces of the inner unit as the center of rotation. Rotate.

Thus, since the display unit is supported with the upper front portion between the side surfaces of the frame of the inner unit as the center of rotation, a stable support state can be obtained as compared with the conventional one-side support structure which rotates in the horizontal direction. . In addition, the radius of rotation of the wiring cable for electrically connecting the inner unit and the display unit can be made larger than before, and the occurrence of a disconnection accident can be reduced.

Further, even if the display unit becomes longer and heavier, the load on the latch mechanism for latching the lower part of the display unit does not increase, and a stable latch state can be obtained. Then, the rotation operation of the display unit is not restricted by the rotation direction of the door, and stable operability is always obtained.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory view showing a main part of an embodiment of the present invention, and FIG. 2 is an explanatory view showing an enlarged main part of FIG. In the figure, reference numeral 10 denotes a frame of the internal unit, and reference numeral 30 denotes a display unit. 40 is a buffer member, 50 is a latch lever,
Reference numeral 60 denotes a release lever, 70 denotes a shaft, and 80 denotes a cover.

An attachment hole 11 for inserting and supporting a shaft 31 provided near an upper portion of one side surface of the display unit 30 is provided near an upper portion of a front end of one side surface of the frame 10. In the vicinity of the upper front end of the side surface of the display unit 30, there is provided a mounting hole 12 into which a shaft 32 provided near the upper portion of the other side surface of the display unit 30 is inserted and rotatably supported. The mounting holes 11 and 12 of the frame 10 and the shafts 31 and 32 of the display unit 30 are provided.
Are provided so as to be coaxial with each other.

Mounting hole 11 on one side of frame 10
A claw 13 for latching a pin 33 provided near a lower portion of one side surface of the display unit 30 in a normal state in which the display unit 30 is not rotated is provided on the lower end surface of the display unit 30. A buffer member 40 is provided on the inner end surface near the claw 13 to contact the back surface of the display unit 30 and absorb the impact.

Projections 14 and 15 functioning as stoppers for restricting the rotation angle of the display unit 30 by contacting the upper surface of the display unit 30 when the display unit 30 is rotated upward are provided on the upper end surface of the frame 10. Is provided. In the depth of the mounting hole 12 side of the frame 10,
A recess 16 for attaching the latch lever 50 and the release lever 60 is provided. A hole 5 provided at one end of the latch lever 50 is provided on a side surface of the recess 16.
A hole 17 is provided for inserting one end 71 of a shaft 70 that is inserted into the shaft 1 and rotatably supports the latch lever 50. A guide groove 18 is provided from the front end face toward the mounting hole 12. Protrusions 19 and 20 for locking the cover 80 are provided on the front end face and the upper end face. Further, a claw 21 for detachably locking the release lever 60 is provided below the front end surface.

Protrusions 34 and 3 for pulling out the display unit 30 are provided near both ends of the lower front surface of the display unit 30.
5 are provided. A cam 36 is provided coaxially around the shaft 32 of the display unit 30. This cam 36
A rotation shaft hole 61 formed near one end of the release lever 60 is fitted to the release lever 60. A claw 37 for detachably locking the release lever 60 is provided at a lower portion of a side surface of the display unit 30 on the shaft 32 (cam 36) side.

The latch lever 50 is formed substantially in an L-shape, the corner 52 is formed at an acute angle so as to engage with the cam 36, and the free end side is formed as a spring 53.
3, the front surface 22 of the frame 10 slides on the lower surface 2
3 is formed with a claw 54 which is detachably locked. The release lever 60 is also substantially L-shaped and has one end 6.
2 sets the release lever 60 to a predetermined angle or more (for example, 100
°) The latch lever 50 is formed so as to urge the taper of the corner 52 when rotated, and a knob 63 for operation is formed at the corner to face the display unit 30 near the corner. On one surface, a pin 64 is provided which is detachably engaged with the claw 37 of the display unit 30. On the other surface, a pin 65 which is detachably engaged with the claw 21 of the frame 10 is provided. In addition, a pin 64 is attached to an end of the pin 64.
When the release lever 60 is moved in the horizontal direction while the release lever 6 is locked to the claw 37 of the display unit 30,
A claw 66 is provided so that a state in which 0 is engaged with the display unit 30 can be maintained. The other end 67 comes into contact with the end face of the frame 10 when the release lever 60 is pushed into the frame 10, and functions as a stopper. A U-shaped spring 68 is formed near the corner so as to be folded. The spring 68 urges the claw 54 at the tip of the latch lever 50.

The cover 80 is attached to the mounting hole 12 of the frame 10.
Attached to the side. A circular stepped portion 81 is provided on one surface near the front end of the cover 80 so as to fit into the mounting hole 12 of the frame 10, and a hole 82 into which the shaft 32 of the display unit 30 is fitted is provided at the center thereof. In the vicinity of the rear end, a hole 83 into which the other end 72 of the shaft 70 is fitted is provided. A claw 84 that fits into the protrusion 19 on the front end surface of the frame 10 is provided at substantially the center of the front end, and a claw 85 that fits into the protrusion 20 on the upper end surface of the frame 10 is provided near the front end of the upper end. The frame 10 is located at the rear end.
An L-shaped claw is provided so as to be engaged with the engaging hole, but is not shown.

The frame 10, display unit 30,
Buffer member 40, latch lever 50, release lever 6
The 0, the shaft 70, and the cover 80 can be formed into a predetermined shape using, for example, a synthetic resin, so that the number of parts can be greatly reduced and the number of assembling steps can be significantly reduced. These components are assembled as follows.

First, the latch lever 50 is attached to the recess 16 of the frame 10 via the shaft 70. After that, the display unit 30 is attached. In mounting the display unit 30 on the frame 10, the shaft 31 of the display unit 30 is fitted into the mounting hole 11 of the frame 10, the rotary shaft hole 61 of the release lever 60 is fitted on the cam 36, and then the guide groove 18 is fitted. The shaft 32 is fitted into the mounting hole 12 along the axis. Then, the shaft 32 is fitted into the hole 82 of the cover 80, the end 72 of the shaft 70 is fitted into the hole 83, and the claws 84 and 85 are fitted into the projections 19 and 20.
The cover 80 is fixed to the side surface of the frame 10.

The operation of the mechanism configured as described above will be described. FIG. 3A shows a state in which the display unit 30 is stopped by latching the shaft 33 on the claw 13 of the frame 10. At this time, the release lever 60 is also stopped by latching the pin 65 to the claw 21 of the frame 10. The latch lever 50 is in contact with the end surface 22 in a state where the claw 54 is separated from the bottom surface 23 of the frame 10 and is constantly urged to rotate counterclockwise (upward) by the bending force of the spring portion. The corner 52 is in contact with the hatched large diameter portion of the cam 36.

FIG. 3B shows the projection 3 of the display unit 30.
4 and 35, a state in which the latch of the shaft 33 by the claw 13 of the frame 10 is released and the shaft 33 is rotated 90 ° from the state of FIG. When the display unit 30 rotates, the cam 36 also rotates 90 °, and the small-diameter portion faces the corner portion 52 of the latch lever 50. Thereby, the corner portion 52 of the latch lever 50 is engaged with the small diameter portion of the cam 36. As a result, the display unit 30 is prevented from rotating and falling clockwise by its own weight from the state of (b), and the state of (b) is maintained.

FIG. 3C shows a part of the process of releasing the holding state of the display unit 30 shown in FIG. That is, the knob 63 is pinched to release the release lever 60 (a).
Rotate 100 ° from the position. If the rotation angle of the release lever 60 exceeds 90 ° during rotation, the pin 65 is fitted into the claw 37 of the display unit 30, and the display unit 30 rotates together with the release lever 60. When the release lever 60 rotates to 100 °, the end 62 pushes down the tapered portion of the corner 52 of the latch lever 50 against the bending force of the spring. As a result, the engagement between the small diameter portion of the cam 36 and the corner portion 52 of the latch lever 50 is released, and the claw 54 of the latch lever 50 slides on the end face 22 of the frame 10 to engage with the corner portion with the bottom face 23. I do. Here, the latch lever 50
Is always urged to rotate counterclockwise (upward) by the bending force of the spring portion, so that the claw 54 is stably engaged with the corner with the bottom surface 23. As a result, the display unit 3
0 is in a state where it can be rotated and dropped clockwise by its own weight. Actually, the display unit 30 is provided with the release lever 60.
Is displaced according to the rotation operation of.

FIG. 4A shows a state in which the release lever 60 has been lowered from the state of FIG. 3C to a position 20 to 30 degrees before stopping. The U-shaped spring 68 provided on the release lever 60 is bent by being pressed against the tip of the claw 54 of the latch lever 50. FIG. 4B shows FIG.
3A illustrates a state in which the release lever 60 is rotated in the stationary direction in FIG. 3A from the state illustrated in FIG. When the U-shaped spring 68 provided on the release lever 60 passes over the tip of the claw 54 of the latch lever 50, the spring 68 attempts to return to the state before bending, and the tip of the spring 68 is Kick up the tapered surface at the tip of 54. As a result, the pawl 54 of the latch lever 50 is disengaged from the corner between the end face 22 and the bottom face 23 of the frame 10 and tries to rotate upward by sliding on the end face 22.

By further rotating the release lever 60 in the stationary direction of FIG. 3A from the state of FIG. 4B, the pin 65 engages with the claw 21 and returns to the stationary state of FIG. 3A. I do. At this time, the shaft 33 cannot climb over the tapered surface of the claw 13 of the frame 10 by the weight of the display unit 30 alone, and the shaft 33 slightly floats. Then, by pushing the projections 34 and 35 of the display unit 30, the shaft 33 gets over the tapered surface of the claw 13 of the frame 10, and the frame 10 and the display unit 30 are engaged.
This completely returns to the stationary state of FIG.

The display unit 3 as shown in FIG.
Consider a case where the display unit 30 is to be directly pressed down without rotating the release lever 60 in a state where 0 is latched in a substantially horizontal position. In this case, since the latch lever 50 is formed of a synthetic resin, bending occurs when an excessive force is applied, and the engagement between the small diameter portion of the cam 36 and the corner portion 52 of the latch lever 50 is released. The display unit 30 and the latch lever 50 are arranged as shown in FIG.
It returns to the stationary state of (a). The buffer member 40 functions to prevent impact and breakage at this time.

With this configuration, the display unit 30 is supported around the upper front portion between the side surfaces of the frame 10 of the inner unit as the center of rotation, and therefore, compared to the conventional one-sided support structure that rotates in the horizontal direction. A stable support state is obtained. Further, the radius of rotation of the wiring cable for electrically connecting the inner unit and the display unit 30 can be made larger than in the related art, and the occurrence of disconnection accidents can be reduced.

Even if the display unit 30 becomes longer and heavier, the load of the latch mechanism for latching the lower portion of the display unit 30 does not increase, and a stable latch state can be obtained. Further, the rotation operation of the display unit 30 is not restricted by the rotation direction of the door as in the related art, and stable operability is always obtained.

[0029]

As described above in detail, according to the present invention, a high recorder that can obtain high reliability even when the display unit can be rotated can be realized.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a configuration of a main part of an embodiment of the present invention.

FIG. 2 is an explanatory diagram of an enlarged configuration of a main part of FIG. 1;

FIG. 3 is an operation explanatory diagram of the present invention.

FIG. 4 is a diagram illustrating the operation of the present invention.

FIG. 5 is a configuration explanatory view showing an example of a conventional recorder.

[Explanation of symbols]

 Reference Signs List 10 inner unit frame 30 display unit 40 cushioning member 50 latch lever 60 release lever 70 shaft 80 cover

Claims (1)

(57) [Claims] 1. Rotating the upper part of the front between the frame sides of the inner unit
Display unit that is mounted to be pivotable in the vertical direction
And the display unit is rotated to a substantially horizontal position.
Latch mechanism for holding the state
Release to release the horizontal rotation of the display unit
A recorder including a frame, a display unit, a latch mechanism, and a release mechanism.
A recorder characterized in that the mechanism is formed from synthetic resin .