JP2598264Y2 - Printer device - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to a printer device,
In particular, the present invention relates to a printer provided with a sheet guide for supplying printing paper.

[0002]

2. Description of the Related Art Generally, a paper supply port of a printer device is
The number of printers arranged on the upper surface or side surface of the printer device is relatively large. Each of the paper supply ports is provided with a sheet guide for inserting a cut sheet.

On the other hand, in recent years, in a printer having a paper supply port on a side surface portion, it is necessary to prevent dust or the like from entering the paper supply port or to improve the appearance and space.
It has been proposed that a sheet guide provided in the paper supply port be brought close to the paper supply port as needed, and used as a cover for the paper supply port.

As an example of this, there is a copying machine or the like which has a hinge and a metal stay on a side surface, and when closed, is attracted and fixed by a magnet catch. .

[0005]

However, in the conventional example described above, the magnet catch and the metallic stay type have a large shape, a large number of parts and assembling steps, and a high manufacturing cost. There was an inconvenience of being.

[0006]

The object of the present invention is to improve the inconvenience of the prior art, and in particular to improve the productivity of the entire apparatus by reducing the number of parts and assembling steps of a sheet guide capable of opening and closing a sheet supply port. It is another object of the present invention to provide a printer device that reduces the cost.

[0007]

According to the present invention, there is provided a printer having a printer main body having a paper supply port on a side surface thereof and a sheet guide provided in the paper supply port.
The sheet guide is provided so as to be openable and closable about the lower edge of the sheet supply port, and at least one end of the sheet guide is provided with an arc-shaped member facing the printer body. Furthermore, two projecting engaging portions having elasticity are juxtaposed and protruded in the vicinity of the outer peripheral end on the arc-shaped member, and one of the engaging portions on the downstream side with respect to the opening direction of the sheet guide is located behind the other. Is set to be low, and a height that slides on the printer main body side and comes into contact with the leading end of the other locking portion from a position facing each locking portion with the sheet guide closed. The first engaging portion is protruded, and slides from the position on the printer main body side, which is opposed to each locking portion in a state where the sheet guide is opened, to the tip end of one locking portion. Touching
Touch the side part that is closer to the root than the tip of the other locking part.
A second engaging portion having a contact height is protruded. This seeks to achieve the stated objectives.

[0008]

First, when the sheet guide closes the paper supply port, the rib-shaped projection 6A serving as the other locking portion provided on the arc-shaped member is provided inside the front cover 3C shown in FIG. 6, for example. Are locked to a conical projection 7 as a first engagement portion. Next, when an external force is applied to the sheet guide to open the sheet supply port, first, the rib-shaped protrusion 6A provided on the arc-shaped member is, for example, shown in FIGS.
Another conical protrusion 7 in the front cover 3C, as shown in
Over the elasticity while sliding the tip of the . Then
The locked state between the rib-shaped projection 6A and the conical projection 7 is released. Then, the sheet guide 4 is connected to the sheet supply port 3.
When it is rotated until it is substantially horizontal with A, for example, FIG.
As shown in FIG. 7, the rib-shaped protrusion 6B serving as one of the locking portions provided on the arc-shaped member 5 is attached to the boss-shaped protrusion 8 as a second engagement portion in the front cover 3C. The boss-like projections 8 are elastically moved over the boss-shaped projections 8 while sliding their leading ends.
Then, it provided the arcuate member 5 of the rib-like projections 6A
The boss-shaped protrusion 8 is brought into contact with a side portion from the root rather than the tip . Then, the boss-shaped projection 8 in the front cover 3C is formed.
Are rib-shaped projections 6A, 6B provided on the arc-shaped member 5.
Is sandwiched between.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a diagram showing a printer device 1 according to the present invention as viewed obliquely from above. The printer device 1 shown in FIG. 1 includes a printer main body 3 provided with a paper supply port 3A on a front surface 2 as a side surface, and a sheet guide 4 provided in the paper supply port 3A. The sheet guide 4 is provided so as to be openable and closable about the lower end side 3B of the sheet supply port 3A. At least one end of the sheet guide 4 is provided with an arc-shaped member 5 facing the printer main body 3. Further, two projecting engaging portions 6 having elasticity are juxtaposed and protruded in the vicinity of the outer peripheral end on the arc-shaped member 5, and one of the engaging portions 6 on the downstream side with respect to the opening direction of the sheet guide 4 is provided. The rib-shaped protrusion 6B is set lower than the rib-shaped protrusion 6A serving as the other locking portion (see FIG. 2), and each rib on the printer main body 3 side with the sheet guide 4 closed is provided. A first engaging portion 7 having a height that slides and comes into contact with the tip of the other rib-shaped projection 6A from a position facing the projection-shaped projections 6A and 6B, and is provided on the printer body 3 side.
Each of the rib-shaped protrusions 6A in a state where the sheet guide 4 is opened,
Previous to the one of the rib-like projections 6B from the position opposed to 6B
The other rib-shaped protrusion 6A
A second engaging portion 8 is provided in a protruding manner so as to be in contact with a side portion closer to the root than the tip portion (see FIG. 5).

More specifically, as shown in FIG. 1, a front cover 3C is provided integrally with the printer main body 3 on the front part 2 of the printer main body 3. The front cover 3C is provided with a sheet guide 4 corresponding to the paper supply port 3A of the printer body 3.

As shown in FIGS. 2 and 3, the sheet guide 4 has a plate-like shape as a whole, and arcuate members 5 are provided at both ends thereof toward the printer body 3. . Further, at both ends of the sheet guide 4, pivots 4 </ b> A are provided via the arc-shaped members 5, respectively. The pivot 4 </ b> A connects the sheet guide 4 to the printer main body 3.
Is to be mounted on the front cover of the 3C. Further, above the sheet guide 4 (upper side in FIG. 2),
A free end 4B that can be engaged with a part 3D of the front cover 3C is formed.

Below the outer peripheral end of the arc-shaped member 5 (the lower side in FIG. 2), a locking portion 6 that can be locked to first and second engaging portions 7 and 8 in a front cover 3C described later. Is provided. The locking portion 6 is formed by a rib-shaped protrusion 6A and a rib-shaped protrusion 6B. Of these, the rib-shaped protrusion 6
B is formed lower than the rib-shaped protrusion 6A. When the sheet guide 4 is in a closed state, the rib-shaped protrusions 6B are arranged on the outer peripheral end of the arc-shaped member 5 so that the rib-shaped protrusions 6A are located upward and the rib-shaped projections 6A are located downward. Here, FIG. 2 shows a state where the sheet guide 4 is closed,
FIG. 3 shows a state where the sheet guide 4 is open.

On the other hand, bearing portions (not shown) for receiving the pivots 4A at both ends of the sheet guide 4 are provided on the inner side wall of the guide storage area 3E in the front cover 3C of the printer body 3. These bearings are provided on both sides of the lower end side 3B of the paper supply port 3A in the printer body 3, respectively. That is, when each of the pivots 4A of the sheet guide 4 is loosely inserted into these shaft holes, the sheet guide 4 rotates around the lower end side 3B of the sheet supply port 3A to open and close the sheet supply port.

Further, in the front cover 3C, FIG.
As shown in the drawing (a state in which the sheet guide 4 is stored in the guide storage area 3E in the front cover 3C and the sheet guide 4 is closed and viewed from the inside of the printer body 3), the sheet guide 4 has an arcuate shape. A conical projection 7 as a first engagement portion and a boss-like projection 8 as a second engagement portion that can be locked to a locking portion 6 provided via a member 5 are provided respectively. I have. Of these, the boss-shaped projection 8 is arranged at a vertically upper position centering on the bearing portion in the front cover 3C, and the conical projection 7 is arranged at a horizontal position toward the inside of the printer main body. Further, the conical projection 7 is formed lower than the boss-shaped projection 8.

Next, the operation of the above embodiment will be described.

First, a state in which the sheet guide 4 is stored in the guide storage area 3E of the front cover 3C,
That is, a state in which the sheet guide 4 closes the sheet supply port 3A will be described. In this state, the seat guide 4 has the upper free end 4B in contact with a part 3D of the front cover 3C as shown in FIG.
The rib-shaped protrusion 6A provided on the front cover 3C is locked by the conical protrusion 7 in the front cover 3C. More specifically, as shown in FIG. 6 (a view in which the vicinity of the locking portion 6 shown in FIG. 5 is viewed in the direction of arrow A), the rib-shaped protrusion 6A is located below the conical protrusion 7 (shown in FIG. 6). (Lower side).

Next, a state in which the sheet guide 4 is rotated about the pivot 4A, that is, a state in which the sheet guide 4 opens the sheet supply port 3A and enters a sheet receiving state will be described. First, when an external force for opening is applied to the sheet guide 4, the rib-shaped protrusion 6A provided on the arc-shaped member 5 moves in the direction of arrow C shown in FIG. Overcoming part 7 elastically. Then, the locked state between the rib-shaped protrusion 6A and the conical protrusion 7 is released. When the sheet guide 4 is rotated by the external force until the sheet guide 4 is substantially horizontal with the sheet supply port 3A, the sheet guide 4 shown in FIG.
(A view of the vicinity of the locking portion 6 shown in FIG. 5 as viewed in the direction of arrow B)
Rib-shaped protrusions 6 provided on the arc-shaped member 5 as shown in FIG.
B comes into contact with the boss-shaped projection 8 in the front cover 3C and elastically crosses the boss-shaped projection 8 in the direction of arrow D shown in FIG. Then, the boss-shaped protrusion is brought into contact with the rib-shaped protrusion 6A provided on the arc-shaped member 5. That is, in this state, the boss-shaped protrusions in the front cover 3C are sandwiched by the rib-shaped protrusions 6A and 6B provided on the arc-shaped member 5. Therefore, the seat guide 4 is
The front cover 3C can hold the paper supply port 3A in a substantially horizontal state.

When the sheet guide 4 is closed,
First, an external force for closing is applied to the sheet guide 4.
Then, the rib-like projection 6B provided on the arc-shaped member 5
Moves in the direction of arrow E shown in FIG. 7 and elastically passes over the boss-shaped projection 8 in the front cover 3C. Then, the rib-shaped protrusion 6A provided on the arc-shaped member 5 moves in the direction of arrow F shown in FIG. 6 and abuts on the conical protrusion 7 in the front cover 3C, and this conical protrusion 7 is elastically deformed. Get over. Then, the rib-shaped protrusion 6 provided on the arc-shaped member 5
A is engaged with the conical projection 7 in the front cover 3C,
The sheet guide 4 is the guide storage area 3 of the front cover 3C.
It is stored in E.

As described above, according to the present embodiment,
The sheet guide 4 is provided so as to be openable and closable about a lower end side 3B of the paper supply port 3A, and at least one end of the sheet guide 4 is provided with an arc-shaped member 5 facing the printer main body 3. A locking portion 6 is provided at a predetermined position on the outer peripheral end of the sheet guide 5, and a conical projection 7 as a first engaging portion for locking the locking portion 6 when the sheet guide 4 is closed, When the printer body 3 is provided with a boss-shaped projection 8 as a second engagement portion for engaging the engagement portion 6 when the opening 4 is open, the sheet guide 4 provided in the paper supply port 3A can be used. If necessary, it can be brought close to the paper supply port 3A and used as a cover for the paper supply port 3A. For this reason, it is possible to prevent dust or the like from entering the paper supply port 3A, and the appearance of the entire apparatus is improved.
Further, by manufacturing the sheet guide 4 at a low cost and with a simple structure, it is possible to reduce the space and the cost of the entire apparatus.

The present invention can be sufficiently applied to a copying machine other than a printer.

[0022]

The present invention is constructed and functions as described above. According to the present invention, the sheet guide is provided so as to be openable and closable about the lower edge of the paper supply port, and at least one end of the sheet guide is provided. The first section is provided with an arc-shaped member facing the printer main body, a locking section is provided at a predetermined position on the outer peripheral end of the arc-shaped member, and the locking section is locked when the sheet guide is closed. Since the conical projection as the joining portion and the boss-like projection as the second engagement portion for locking the locking portion when the sheet guide is open are provided on the printer main body, the paper supply port is not required. The present invention provides an unprecedented practical printer device that can reduce the number of parts and assembly steps of the sheet guide that can be opened and closed, thereby improving the productivity of the entire device and reducing the price. Can do Kill.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a printer device according to the present invention.

FIG. 2 is an explanatory view showing a sheet guide portion of the printer shown in FIG.

FIG. 3 is an explanatory diagram showing a state where a sheet guide portion of FIG. 2 is turned down.

FIG. 4 is an explanatory diagram showing an engagement state between the sheet guide shown in FIG. 2 and a front cover of the printer device.

FIG. 5 is a diagram illustrating an operation range of a sheet guide in the printer of FIG. 1;

FIG. 6 is an explanatory diagram showing an engagement state between a sheet guide and a front cover as viewed from the direction of arrow A in FIG. 5;

FIG. 7 is an explanatory diagram showing an engagement state between the sheet guide and the front cover as viewed from the direction of arrow B in FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Printer apparatus 2 Front as side surface 3 Printer main body 3A Paper supply port 3B Lower edge side 4 Sheet guide 5 Arc-shaped member 6 Locking part 7 First engaging part 8 Second engaging part

Claims (1)

(57) [Scope of request for utility model registration] 1. A printer apparatus comprising: a printer main body having a paper supply port on a side surface; and a sheet guide provided on the paper supply port, wherein the sheet guide is opened and closed about a lower edge side of the paper supply port. At least one end of the sheet guide is provided with an arc-shaped member facing the printer body, and two elastic projection-shaped locking portions are arranged near the outer peripheral end of the arc-shaped member. One of the locking portions, which is provided on the downstream side with respect to the opening direction of the sheet guide, is set to be shorter than the other, and on the printer main body side, the sheet guide is closed. A first engaging portion having a height slidably in contact with the distal end of the other engaging portion from a position facing each of the engaging portions is protruded, and the sheet guide is provided on the printer main body side. Open From the position opposite to each of the locking portions in a slid state, and slidably comes into contact with the distal end of the one locking portion and the other locking portion.
A printer device characterized in that a second engaging portion having a height abutting on a side portion closer to the root than a tip portion of the portion protrudes.