JPH074040U - Printer - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a printer that prevents paper from jamming at the printer outlet, eliminates the need for processing on the front panel, facilitates part processing and mounting work, and reduces manufacturing costs. [Structure] A printer unit provided in a case, a paper outlet provided on a front panel of the case, a paper guide of the printer unit provided so as to face the paper outlet, and a paper outlet attached to the front panel. A printer provided with a paper cutter provided on the upper part of the paper guide, and a plate member extending from the upper surface of the paper guide to the paper outlet is attached to the paper guide.
Further, an extension portion reaching the paper outlet is provided integrally with the paper guide at the center of the front end of the paper guide. Further, a protruding portion which is continuous with the upper surface of the paper guide and reaches the paper outlet is provided integrally with the paper cutter.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a printer that prevents troubles such as paper jams, which often occur at a paper outlet, when paper printed out from a roll paper is printed.

[0002]

[Prior art]

 A conventional printer has, for example, a configuration as shown in FIGS. 7 is a side sectional view of the printer, FIG. 8 is a front view showing the outlet of the printed paper, and FIG. 9 is a perspective view showing the printer unit.

That is, in the conventional printer 50, an inlet 11 for guiding the paper 9 fed from the roll paper into the printer unit 7 is provided at the rear of the printer unit 7, and the platen roller 19 and the platen roller 19 are provided in the printer unit 7. A thermal head 21 is provided. An outlet 25 is provided on the front surface of the printer unit 7, and a paper guide 23 for guiding the printed-out paper 9 to the outlet 25 is provided in the printer unit 7. Further, a paper cutter 27 that cuts the paper 9 fed to the outlet 25 is attached to the front panel 5 of the printer 50 with screws 31 at the upper portion of the outlet 25.

A guide plate 41 formed by bending a plate is provided near the outlet 25 so that the fed paper 9 is not caught in the gap between the front panel 5 and the printer unit 7. There is.

The guide plate 41 is attached to a tap hole 42 formed on the inner surface side of the front panel 5 with a screw 43, and the printed paper 9 is delivered to the outlet 25 by the paper guide 23 and the guide plate 41. It is designed to guide you.

[0006]

In the printer having the above structure, since the guide plate is separately attached, it is necessary to prepare a bent guide plate and to provide a tap hole for mounting the guide plate. Therefore, there is an inconvenience that the guide plate is processed, the positioning at the time of mounting, and the mounting work are time-consuming and costly.

Further, it is necessary to pay attention to the processing accuracy of the tap hole and the guide plate, the mounting accuracy of the guide plate, and the like. Even if the guide plate is correctly mounted, a slight amount of space formed between the paper guide and the guide plate is required. Due to the existence of the gap, the leading end of the fed paper may be caught and pinched, resulting in a paper jam.

Therefore, an object of the present invention is to provide a printer that can reliably prevent paper jams with a simple structure and reduce the manufacturing cost.

[0009]

[Means for Solving the Problems]

 A printer according to a first aspect of the present invention comprises a printer unit provided in a case, a paper outlet provided in a front panel of the case, and a paper guide of the printer unit provided so as to face the paper outlet. A printer having a paper cutter attached to the front panel and provided above the paper outlet, wherein a plate member extending from the upper surface of the paper guide to the paper outlet is attached to the paper guide. is there.

A printer according to a second aspect of the present invention is a printer unit provided in a case, a paper outlet provided in a front panel of the case, and a paper unit of the printer unit provided so as to face the paper outlet. A printer comprising a guide and a paper cutter attached to the front panel and provided on an upper portion of the paper outlet, wherein an extension portion reaching the paper outlet is provided at a central portion of a tip of the paper guide. It is provided integrally with the guide.

A printer according to a third aspect of the present invention is a printer unit provided in a case, a paper outlet provided in a front panel of the case, and a paper unit of the printer unit arranged so as to face the paper outlet. A printer comprising a guide and a paper cutter attached to the front panel and provided at an upper portion of the paper outlet, wherein a projection portion which is continuous with an upper surface of the paper guide and reaches the paper outlet is provided. It is provided integrally with.

[0012]

[Action]

 According to the invention of claim 1, since the plate-shaped member reaching the paper outlet is provided on the upper part of the paper guide, there is no gap between the printer unit and the front panel in the paper feeding path, and the paper is front-mounted as in the conventional case. It is reliably prevented from being caught in the panel and causing a paper jam. Further, since it is only necessary to attach the plate-shaped member, for example, the parts can be easily processed, and the mounting work can be facilitated without special processing on the front panel, and the manufacturing cost can be reduced.

According to the second aspect of the invention, since the extending portion reaching the paper outlet is integrally provided at the central portion of the front end portion of the paper guide, there is no gap between the printer unit and the front panel in the paper feeding path. , The paper jam at the paper exit is surely prevented. Furthermore, since the extension is integrated with the paper guide, there is no need to specially process the front panel or special parts, the number of parts does not increase, and the assembly work of the printer becomes easy and the manufacturing cost is reduced. Will be reduced.

According to the third aspect of the invention, since the paper cutter is integrally provided with the protruding portion for guiding the paper to the paper outlet, there is no gap between the printer unit and the front panel in the paper feeding path, and the paper Paper jams at the exit are reliably prevented. Furthermore, since the protrusion is integrated with the paper cutter, there is no need to specially process the parts dedicated to the front panel, the number of parts does not increase, and the assembly work of the printer becomes easy, which reduces the manufacturing cost. Is reduced.

[0015]

【Example】

 A first embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side sectional view of the printer, and FIG. 2 is a perspective view of the printer unit.

In the printer 1 of this embodiment, as shown in FIG. 1, a printer unit 7 is arranged in the printer case 3 in the vicinity of the front panel 5. On the upper rear side of the printer unit 7, there is provided a paper inlet 11 for guiding the paper 9 fed from the roll paper (not shown) provided behind the printer unit 7 into the printer unit 7. .

In the printer unit 7, side frames 15 and 17 are attached to both sides of the guide frame 13, and a platen roller 19 and a thermal head 21 are disposed between the side frames 15 and 17. The platen roller 19 is rotatably attached, and the thermal head 21 is attached so that the head portion is movable as shown by the chain double-dashed line in the figure. Further, a paper guide 23 is attached so as to be sandwiched between the notches provided on both side frames 15 and 17. Then, the paper 9 inserted from the paper inlet 11 and fed between the platen roller 19 and the thermal head 21 is printed.

Further, a paper outlet 25 for sending out the printed paper 9 is provided at the lower portion of the front panel 5 of the printer case 3. The paper outlet 25 has a width slightly larger than the width of the paper 9 fed. The paper guide 23 is provided so as to be located between the paper outlet 25 and the platen roller 19.

Further, a paper cutter 27 that cuts the paper 9 delivered from the paper outlet 25 is attached to the upper portion of the paper outlet 25 of the front panel 5 with a screw 31. The paper cutter 27 is provided with a wavy blade 29. A guide sheet 35, which is a plate-shaped member, is attached to the upper surface of the paper guide 23 by a double-sided tape or the like. The guide sheet 35 is formed to have a width slightly smaller than the lateral width of the paper outlet 25 so that it can be inserted into the paper outlet 25. The base end of the guide sheet 35 is attached to the base end of the paper guide 23. Are arranged so as to face the paper outlet 25.

In such a printer 1, when the paper 9 is fed from the roll paper provided at the rear of the printer unit 7 through the paper inlet 11 to the platen roller 19 and the thermal head 21, the thermal head 21 Is printed on the paper 9, and the printed paper 9 is sent toward the paper guide 23. The printed-out paper 9 is guided to the paper outlet 25 by the guide sheet 35 attached to the paper guide 23 and sent out from the paper outlet 25. When the paper 9 delivered from the paper outlet 25 is picked up and pulled upward, it is cut by the blade 29 of the paper cutter 27.

Therefore, according to the present embodiment, since the guide sheet reaching the lower part of the paper outlet is provided on the upper part of the paper guide, there is no gap between the printer unit and the front panel in the paper feeding path, and the conventional paper is used. You can reliably prevent paper from getting caught in the front panel. Further, since it is only necessary to attach a flat guide sheet, it is easy to process the paper guide parts, and the front panel is not specially processed, which facilitates the mounting work. The cost can be reduced.

Next, a second embodiment of the present invention will be described with reference to the drawings. 3 is a side sectional view of the printer, and FIG. 4 is a perspective view of the printer unit. The same parts as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted.

In this embodiment, the paper guide 23 provided in the printer unit 7 is provided with the extending portion 37.

That is, at the central portion of the front end of the paper guide 23, a projecting extending portion 37 reaching the lower part of the paper outlet 25 of the front panel 5 is provided integrally with the paper guide 23. In the present embodiment, the lateral width of the extending portion 37 is formed to be a wide width which is substantially close to the width of the paper outlet 25. It should be noted that this lateral width is not required to be close to the width of the paper outlet 25, but it is sufficient if the width is sufficient to guide the paper 9 to be fed.

Therefore, according to this embodiment, the central portion of the leading end of the paper guide is integrally provided with the extending portion reaching the lower portion of the paper outlet, so that the printer unit and the front panel in the paper feeding path are provided. Since there is no gap in the paper, it is possible to reliably prevent jams at the paper exit. Furthermore, since the extension is integrated with the paper guide, there is no need to specially process the parts dedicated to the paper guide on the front panel, and the number of parts does not increase, so the printer assembly work is not required. It becomes easy and the manufacturing cost can be reduced.

Next, a third embodiment of the present invention will be described with reference to the drawings. 5 is a side sectional view of the printer, and FIG. 6 is a front view of the printer unit. Similar to the above-described embodiment, the common parts are designated by the same reference numerals and the description thereof is omitted.

In this embodiment, the paper cutter 27 provided at the paper outlet 25 is integrally provided with the protrusion 39 for guiding the paper 9.

That is, the paper cutter 27 provided at the paper outlet 25 includes a flat plate portion 27 a that abuts on the back surface of the front panel 5, and the flat plate portion 27 a has a cutter portion 27 b that projects obliquely downward from the paper outlet 25. However, a wavy blade 29 is provided at the front end portion of the cutter portion 27b, and a screw 31 is screwed into a tap hole 33 provided on the back surface of the front panel 5 for attachment.

Further, a frame portion 27c is integrally provided below the flat plate portion 27a of the paper cutter 27 so as to surround the periphery of the paper outlet 25, and the paper guide 23 is provided in the frame portion 27c. A projection 39 is provided which is continuous with the upper surface of the paper and faces the paper outlet 25 obliquely downward. The width of the protrusion 39 is formed to be slightly smaller than the width of the paper outlet 25. Note that the width is not limited to this, and any width that can guide the fed paper may be used.

Therefore, also in this embodiment, since the paper cutter is integrally provided with the protruding portion for guiding the paper to the paper outlet, there is no gap between the printer unit and the front panel in the paper feeding path, and the paper is not ejected. It is possible to reliably prevent paper jams at the exit. Furthermore, since the protrusion is integrated with the paper cutter, there is no need to specially process the parts dedicated to the paper guide on the front panel, the number of parts does not increase, and the assembly work of the printer becomes easy, which reduces the manufacturing cost. Can be reduced.

[0031]

[Effect of device]

 As described above, according to the first aspect of the invention, since the plate-shaped member reaching the paper outlet is provided above the paper guide, there is no gap between the printer unit and the front panel in the paper feeding path. Instead, it is possible to reliably prevent the paper from being caught in the front panel and jammed as in the past. Furthermore, since it is only necessary to provide a plate-shaped member, the paper guide component can be easily processed, and since no special processing is required on the front panel, the mounting work can be facilitated, resulting in a reduction in manufacturing cost. can do.

Further, according to the second aspect of the invention, the central portion of the front end portion of the paper guide is integrally provided with the extending portion reaching the paper outlet, so that the printer unit and the front panel in the paper feeding path are provided. Since there is no gap between the two, it is possible to reliably prevent paper jams at the paper exit. Furthermore, since the extension is integrated with the paper guide, there is no need to specially process the parts dedicated to the paper guide on the front panel, and the number of parts does not increase, so the printer can be assembled easily. It becomes easier and the manufacturing cost can be reduced.

Further, according to the invention of claim 3, since the paper cutter is integrally provided with the protruding portion for guiding the paper to the paper outlet, there is no gap between the printer unit and the front panel in the paper feeding path, Paper jams at the paper exit can be reliably prevented. Furthermore, since the protruding part is integrated with the paper cutter, there is no need to specially process parts dedicated to paper guides on the front panel, and the number of parts does not increase, making printer assembly work easier. The cost can be reduced.

[Brief description of drawings]

FIG. 1 is a side sectional view of a printer showing a first embodiment of the present invention.

FIG. 2 is a perspective view of a printer unit.

FIG. 3 is a side sectional view of a printer showing a second embodiment of the present invention.

FIG. 4 is a perspective view of a printer unit.

FIG. 5 is a side sectional view of a printer showing a third embodiment of the present invention.

FIG. 6 is a front view of the printer.

FIG. 7 is a side sectional view of a printer showing a conventional example.

FIG. 8 is a front view of a printer showing a conventional example.

FIG. 9 is a perspective view of a printer unit showing a conventional example.

[Explanation of symbols]

 1 Printer 3 Case 5 Front Panel 7 Printer Unit 9 Paper 23 Paper Guide 25 Paper Outlet 27 Paper Cutter 35 Plate-like Member 37 Extension Part 39 Projection Part

Claims (3)

[Scope of utility model registration request] 1. A printer unit provided in a case for printing on paper, a paper outlet provided on a front panel of the case, a paper guide of the printer unit arranged so as to face the paper outlet, In a printer having a paper cutter attached to a front panel and provided above the paper outlet, a plate member extending from an upper surface of the paper guide to the paper outlet is attached to the paper guide. Printer. 2. A printer unit provided in the case, a paper outlet provided in the front panel of the case, a paper guide of the printer unit provided so as to face the paper outlet, and the front panel. In a printer provided with a paper cutter attached and provided on an upper portion of the paper outlet, an extension portion reaching the paper outlet is provided integrally with the paper guide at a central portion of a tip of the paper guide. Printer to do. 3. A printer unit provided in the case, a paper outlet provided in the front panel of the case, a paper guide of the printer unit provided so as to face the paper outlet, and the front panel. A printer having a paper cutter attached and provided on an upper portion of the paper outlet, wherein a protruding portion that is continuous with an upper surface of the paper guide and reaches the paper outlet is integrally provided on the paper cutter. .