JP2001130090A - Display with printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mount a printing part in a close contact state to a display part and provide a display with a printer of a small installation area by utilizing a rear face of the display part as a paper delivery guide of the printing part. SOLUTION: A printing part 3 is set to the back of a display part 2 having a display part 17 and a display part rear frame 19 for covering a rear face of the display part. A paper delivery guide 20 for guiding a paper transferred after printed from the printing part 3 is set to the display part rear frame 19.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display with a printer in which a printer is mounted on a display which is a display device such as a personal computer or a word processor.

[0002]

2. Description of the Related Art When a personal computer or a word processor is used for personal use, a display as a display device and a printer as an output device are often installed on a desk of each individual, and a large area is required for installation. . For this reason, recently, miniaturized products of these displays and printers have been developed. In particular, flat displays using liquid crystal display panels or PDP display panels with a small depth have been used instead of conventional cathode ray tubes. It is beginning to spread.

[0003]

However, even in the case of a flat display, legs are provided from the center of the back of the display screen toward the desk in order to hold the display screen at a predetermined height. Unnecessary space has been generated between the left and right sides of the legs and between the frame of the display screen and the upper surface of the desk. In addition, although the size of the output device printer has also become smaller, when it is set up on a desk, it is arranged side by side with the display, so both require the same installation area, and a large installation area is required as before. Met.

[0004]

As a means for solving the above-mentioned problems, a display with a printer according to the present invention comprises a display unit and a frame covering the back of the display unit. It has a printing section for printing, and has a sheet discharge guide means for guiding a sheet conveyed from the printing section to a frame in a discharge direction.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) The configuration of a display with a printer according to a first embodiment will be described. FIG. 1 is an external perspective view showing a display with a printer (hereinafter, referred to as a display) according to a first embodiment of the present invention.

In FIG. 1, a display 1 includes a display unit 2, a printing unit 3 disposed on the back side of the display unit 2, and a stacker unit 4 for collecting and supporting printing paper discharged after printing. I have.

FIG. 2 is a cross-sectional view for explaining the structure of the display according to the first embodiment of the present invention. FIG. 2 is a cross-sectional view of the display 1 shown in the external perspective view of FIG. Seen from the right.

In FIG. 2, a printing unit 3 includes a paper cassette 6 which stores paper 5 and is arranged substantially parallel to a display screen of a display unit 2, and a paper feed roller 7 which feeds the paper 5 from the paper cassette 6. A registration roller 8 for aligning and transporting the leading end of the fed paper 5 and a platen 10 for transporting the paper aligned by the registration roller 8 to the print head unit 9
A pinch roller 11; and a feed roller 12 that conveys the paper 5 printed by the print head unit 9 to the display unit 2 together with the platen 10. Further, the paper supply guide 13 for guiding the paper 5 conveyed by the above-mentioned rollers to the print head unit 9, the conveyance guide 14 for guiding the paper after printing, and the paper 5 Paper detection sensors 15 and 16 for detecting whether or not the sheet is present. The printing unit 3 feeds and conveys the paper 5 from the upper rear part to the lower front part of the apparatus by the paper conveying means of the rollers and the paper guide, and performs printing by the print head unit 9 arranged below the front part of the apparatus. After that, the paper is transported toward the upper rear part of the apparatus, and a substantially J-shaped paper transport path is employed. A print head unit 9 that prints diagonally upward from the outside at the bottom of the substantially J-shaped paper transport path.
Has been arranged. By arranging the J-shaped paper transport path and the print head unit 9 in the lower part of the front part of the apparatus, the space below the display unit 2 is effectively used without increasing the depth of the apparatus. In the first embodiment, as the print head unit 9, a thermal print head on which an ink ribbon is mounted can be used.

The display unit 2 includes a display unit 17 having a liquid crystal display panel and a driver unit for emitting light from the liquid crystal display panel, a display unit front frame 18 covering the periphery of the display unit 17, and a back surface of the display unit 17. Display back frame 19
And A paper discharge guide 20 for guiding the printed paper 5 in the discharge direction is provided on the display unit rear frame 19.
And the paper discharge guide 2 disposed on the paper discharge guide 20
The pair of discharge rollers 21a, 2a that rotate while pressing each other to discharge the paper conveyed along the
1b, and a stacker unit 4 that is arranged substantially parallel to the display unit 17 and accumulates sheets conveyed by the discharge roller pairs 21a and 21b.

Next, the shape of the paper discharge guide 20 will be described. The paper discharge guide tip 22 that first guides the paper conveyed from the printing unit 3 transports the paper 5 with respect to the paper 5 conveyed from the printing unit 3 in the tangential direction of the platen 10 and the feed roller 12. Is arranged below this tangent line so as not to obstruct it. Paper discharge guide tip 2
2 to the pair of discharge rollers 21a and 21b, the shape of the discharge roller pair 21a and 21b is such that the sheet 5 conveyed in the tangential direction of the platen 10 and the feed roller 12 is gradually tilted toward the stacker unit 4 side. The sheet is curved so as to be connected to a tangent line, and the sheet conveyance path formed together with the conveyance guide 14 of the printing section 3 is narrowed as approaching the holding section of the pair of discharge rollers 21a and 21b. The position of the pair of discharge rollers 21 a and 21 b arranged on the paper discharge guide 20 is determined by the position of the platen 10 and the feed roller 12 when the shortest paper used in the printing unit 3 is conveyed along the paper discharge guide 20. The shortest sheet is located at a position where the leading end can be clamped before the end of the shortest sheet is detached from the clamping section. The discharge roller 21a is stored in a groove 23 provided in the display unit rear frame 19 by protruding the roller surface from the paper discharge guide 20 by a predetermined amount. The shape of the paper discharge guide 20 from the discharge roller 21a to the terminal end 24 of the paper discharge guide 20, which is the end of the paper discharge guide 20, extends in the tangential direction of the discharge roller 19, and then becomes substantially parallel to the display unit 17 of the display unit 2. It is gently curved so as to approach the paper support portion 25 of the arranged stacker portion 4.

The stacker unit 4 includes a paper support unit 25 and a paper stacking unit 26 provided at the lower end of the paper support unit 25 with a surface bent substantially at right angles to the paper support unit 25. As described above, the paper support unit 25 is disposed substantially parallel to the display unit, guides the paper 5 being conveyed by the discharge roller pairs 21a and 21b, and supports the paper 5 discharged from the discharge roller pairs 21a and 21b. The sheet stacking unit 26 stacks the ends of the sheets 5 discharged from the discharge roller pairs 21a and 21b.
In order to prevent the paper discharged from the discharge roller 21b from continuing on the discharge roller surface, the end of the stacked paper 5 is lower than the upper surface of the discharge roller pair 21a, 21b, and the end of the stacked paper 5 is again discharged roller pair 2
In order to prevent the discharge rollers 1a and 21b from getting caught, the discharge rollers 21a and 21b are positioned higher than a line connecting the respective rotation centers.

The sheet 5 conveyed by the platen 10 and the feed roller 12 of the printing unit 3 is guided by the sheet ejection guide 20 as described above, and is ejected by a pair of ejection rollers 21a and 21b. 25
When the end of the sheet 5 comes off the pair of discharge rollers 21a and 21b after being conveyed upward along the sheet, the sheet 5 is dropped and stacked on the sheet stacking unit 26.

FIG. 3 is a perspective view for explaining the back surface of the display unit 2 of the display according to the first embodiment of the present invention.

In FIG. 3, a paper discharge guide 20 provided on a display back frame 19 on the back of the display unit 2.
In this method, the edges are all curved and the surface is coated with a fluorine resin so that the friction with the discharged paper is low and the edges of the paper are not caught. At the position described with reference to FIG.
The driven-side discharge roller shaft 27 provided with the a and the drive-side discharge roller shaft 28 provided with the discharge roller 21b are fixed to the display unit rear frame 19, and are fixed to the discharge roller shaft support 29. The discharge roller pair 21a, 21b is supported by the bearing 30 so that the pair of discharge rollers 21a and 21b rotate while pressing each other. The drive-side discharge roller shaft 28 has shaft portions at both ends extending outward from the discharge roller shaft support portion 29, and a belt pulley 31 for obtaining drive via a drive source and a belt (not shown) is attached to one side. are doing.
The discharge roller shaft support portion 29 is provided in the stacker portion 4.
And an engaging hole 33 for fixing the stacker unit 4.
Reference numeral 34 denotes an electrical connection cord for connecting the display unit 17 in FIG. 2 to a power supply unit provided in the printing unit 3.

The sheet stacking section 26 of the stacker section 4 has an uneven shape which escapes from the discharge roller 21b. Further, an engagement claw 35 for engaging the engagement hole 33 of the discharge roller shaft support portion 29 and fixing the stacker portion 4 to the display portion 2 is provided on the back surface of the paper support portion 25 of the stacker portion 4. .

FIG. 4 is a perspective view of an essential part for explaining a configuration for mounting the display unit 2 of the display according to the first embodiment of the present invention on the printing unit 3. As shown in FIG. The mounting of the display unit 2 to the printing unit 3 is the same for the left and right sides, so that only one end is shown in FIG.

In FIG. 4, reference numeral 36 denotes a joint for connecting the display unit 2 and the printing unit 3. Joint 3
Reference numeral 6 denotes a display frame fixing support portion 37 for fixing and supporting the display portion frame 18 and the display portion rear frame 19 of the display portion 2, and a notch 39 provided at a predetermined position of a chassis 38 of the printing portion 3. And a boss part 40 for supporting the rotation of the boss 36. The display frame fixing support portion 37 of the joint 36 is provided with a key groove 42 for fitting the key portion 41 provided on the display unit frame 18 and the display unit rear frame 19 to fix the display unit 2. Two stoppers 43 are provided on the circumference of the boss 40 at an interval of an angle α. The angle α is set at an angle obtained by adding about 10 degrees to the angle β defining the cutout range of the cutout 39 of the chassis 38 into which the boss 40 is fitted. For example, if β is formed at 190 degrees, α is set to 200 degrees.
The angle β defining the cutout range of the cutout 39
Needs to be at least 181 degrees to support the boss portion 39, but since the drive-side discharge roller shaft 28 is inserted through the opening of the notch 39, at least the opening diameter of the drive-side discharge roller shaft 28 is equal to or larger than the shaft diameter. Part within the range that can be made. The inclination angle of the display unit 2 held by the display fixing support unit 37 when the lower edge of the notch 39 and the lower side of the stopper of the boss abut against each other is different from the display unit 2 shown in FIG. The position of the lower edge of the notch 39 and the position of the stopper 43 of the boss 40 are determined so as to have a relationship with the portion 3. Further, a circumferential portion of the boss portion 40 is coated with a resin of a high friction material, and a drive side discharge roller shaft 2 is provided at an axis thereof.
There is provided a hole 44 sized to rotatably support 8.

The mounting of the display unit 2 and the printing unit 3 is as follows.
The drive-side discharge roller shaft 28 of the display unit 2 is moved in the direction indicated by the arrow A in FIG.
After inserting the joint 36 from the outside of the chassis 38 in the direction shown by the arrow B, the joint 36 is inserted from the outside of the chassis 38 so that the key portion 41 of the display portion 2 and its own key portion 42 are fitted. While the end of the drive-side discharge roller shaft 28 is
The printing unit 3 is attached to the display unit 2. Although not shown in FIG. 4, the drive-side discharge roller shaft 28 is provided with a retaining ring such as an E-ring at a portion of the shaft that penetrates the hole 44, and
To prevent it from coming off. As described above, the display unit 2 and the printing unit 3 are connected by the joint 36. The boss 40 of the joint 36 and the notch 39 of the printing unit 3 are formed by two stoppers 43 at the notch 3.
9 can be rotated at an angle of about 10 degrees in the range of contact with the edge. Further, since the circumferential portion of the boss portion 40 of the joint 36 is coated with a high friction material resin, the printing portion 3
A high frictional force is generated between the notch 39 and the notch 39, and the display unit 2 can be held at a predetermined angle in the rotatable range.

FIG. 5 is a sectional view for explaining the discharging operation of the paper 5 when the display unit 2 of the display according to the first embodiment of the present invention is rotatably mounted on the printing unit 3 at a predetermined angle. . The paper transport operation in the printing unit of this apparatus is the same as that described with reference to FIG.

In FIG. 5, the display unit 2 rotates about the axis 45 of the drive-side discharge roller shaft 28 between the position indicated by the alternate long and short dash line and the position indicated by the solid line as described with reference to FIG. The position indicated by the dashed line is the position described with reference to FIG. Paper 5 printed by print head unit 9
Is transported in a tangential direction between the platen 10 and the feed roller 12. The paper discharge guide 20 of the display unit 2 rotates in the direction of arrow C, which separates the paper discharge guide tip 22 downward with respect to the tangential direction of the platen 10 and the feed roller 12 with respect to the transport direction of the paper 5. Therefore, the leading end of the paper 5 transported by the platen 10 feed roller 12 can be transported without obstructing the paper transport route. Further, since the discharge roller pair 21a, 21b and the stacker unit 4 serving as the sheet conveying means are mounted on the display unit 2, the positional relationship between the respective components for discharging the paper is such that the display unit 2 is rotated with respect to the printing unit 3. Even if it does not change. Therefore, the display unit 2 is connected to the printing unit 3
2, the paper transporting ability until the paper to be transported from the printing unit is discharged does not decrease even if the paper 5 is rotated. Roller pair 21a, 2 while being guided by
1b, and then a pair of discharge rollers 21a, 21b
Is discharged and accumulated in the stacker section 4. Further, the rotation center of the display unit 2 and the printing unit 3 is set at the axis 45 of the drive-side discharge roller shaft 28 mounted on the display unit 2.
Therefore, the distance between the drive source mounted on the printing unit and the axis 45 of the drive-side discharge roller shaft 28 is determined by the display unit 2.
Does not change even if it is rotated with respect to the printing unit 3, and there is no need to consider a drive transmission route by rotation. In the first embodiment, the rotation range of the display unit is set to 10 degrees, but this value is set as an appropriate angle to adjust the display unit of the practical display unit so that it is easy to see.
This range of rotation does not limit the invention in any way.

As described above, according to the first embodiment, the display unit 2 can be moved without lowering the sheet discharging ability and without considering the transmission path for transmitting the driving force for discharging the sheet. The angle of the display unit 2 can be adjusted by being rotatable within a predetermined range with respect to the printing unit 3.

(Second Embodiment) The configuration of a flat display according to a second embodiment will be described.

The basic configuration of this device is the same as that of the first embodiment, and the difference from the first embodiment is that the display unit is a flat display unit that covers the periphery and the back surface of the display unit. A frame unit and a paper guide frame unit having a paper discharge guide are divided, and moving means for moving the display frame unit up and down along the paper guide frame unit is provided. Therefore, the same reference numerals are given to the same components as those in the first embodiment, and the description is omitted.

FIG. 6 is a perspective view for explaining the back surface of the display unit of the display according to the second embodiment of the present invention.

In FIG. 6, the display unit 46 corresponds to FIG.
Display frame 4 covering the periphery and back of display unit 17
7 and a paper guide frame section 48 provided with the paper discharge guide 20.

The display frame 47 includes a display front frame 18 and a display rear frame 49.
The display unit rear frame 49 has a gear plate 51 on which two pinion gears 50 each having a flange attached to one side at the center are mounted.
And a hole 52 at both ends in the longitudinal direction, and the hole 52 is provided with a display stopper 54 having an engaging claw 53.

On the other hand, a paper guide frame 48 on which the display frame 47 is mounted includes a guide frame 55 having the paper discharge guide 20, and a pinion gear 50 of the display frame 47 on the back of the paper discharge guide 20 of the guide frame 55. T-shaped rack grooves 5 with racks that engage each other
6 and an engagement hole 57 that engages with the engagement claw 53 of the display stopper 54 vertically arranged at a predetermined interval at both ends in the longitudinal direction.

The display section frame section 47 includes a pinion gear 50 of the display section frame section 47 and a paper guide frame section 48.
Of the paper guide frame portion 4
8, a bearing made of a high friction material that generates a relatively high frictional force between a pinion gear 50 and a gear shaft fixed to a gear plate 51 that supports the pinion gear 50. Is press-fitted, so that the display frame unit 47 is
5 is prevented from moving abruptly. In addition, the pinion gear 50 has its own flange portion and the rack groove 56.
This prevents the paper guide frame part 48 and the display part frame part 47 from coming off.

FIGS. 7 and 8 are sectional views for explaining the operation of the display unit stopper of the display according to the second embodiment of the present invention. FIGS. 7 and 8 show the display screen stopper 54 on the left side. FIG. 7 is a view of the display section rear frame 49 cut in the vertical direction viewed from above. FIG. 7 shows a state before the engagement claw 53 of the display stopper 54 and the engagement hole 56 of the guide frame 55 are engaged. FIG. 8 shows a state after the engagement.

7 and 8, the display unit stopper 54 is used.
While the legs 58 are guided by the side walls 59 and the ribs 60 of the display rear frame 49, the legs 58 are moved upward by a coil spring 63 mounted on a spring base 61 provided on the display front frame 18 and a display stopper spring base 62 of the display unit 18. And is embedded in the display frame 48. Therefore, the display unit stopper 54 always has a pressing force in the upward direction in FIGS. In addition, the spring base 61 and the display screen stopper spring base 62 of the display unit front frame part 18 also have columnar shapes slightly smaller in diameter than the inner diameter of the coil spring, and the coil spring 63 fits into these cylindrical spring bases. While being held, it does not come off.

In FIG. 7, the operator presses the display stopper 54 provided on the display frame 47 with the finger from the outside of the display frame 47 in the thickness direction of the display frame 47. The part 47 is moved along the paper guide frame part 48 to an appropriate position.

Next, as shown in FIG. 8, the operator engages the engaging claw 53 of the display screen stopper 54 with the guide frame 5.
When the display screen stopper 54 is stopped after the display screen stopper 54 is stopped after being adjusted and moved to a position where the engagement hole 57 of the guide frame 5 engages with the engagement claw 53 and the engagement hole 57 of the guide frame 55. Are engaged with each other to hold the display portion frame portion 47 with respect to the paper guide frame portion 48. As described above, in the second embodiment, the height of the display unit can be adjusted in addition to the adjustment of the display unit by the rotation of the first embodiment by allowing the display unit to move in the vertical direction. Things. Further, when the paper 5 discharged to the stacker section 4 is taken out, the display frame 47 is moved downward so that the printed paper 5 can be easily taken out from the front of the apparatus.

[0033]

As described above, the display of the present invention has a printing unit for printing while feeding and transporting paper, behind a display having a display unit and a frame covering the back of the display unit. By having the paper discharge guide means for guiding the paper conveyed from the printing unit in the discharge direction in the frame, the area around the legs of the conventional flat display unit can be effectively used as a printer, and the platform display and the printer can be used. These devices can be connected in close contact with each other, and these devices can be installed in a small area when using a personal computer or word processor for personal use without increasing the depth of conventional platform displays. is there.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing a display with a printer according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view illustrating a configuration of a display with a printer according to the first embodiment of the present invention.

FIG. 3 is a perspective view illustrating a back surface of a display unit of the display with the printer according to the first embodiment of the present invention.

FIG. 4 is a perspective view of an essential part for explaining a configuration for attaching a display unit of the display with a printer to a printing unit according to the first embodiment of the present invention;

FIG. 5 is a cross-sectional view illustrating a sheet discharging operation when the display unit of the display with the printer according to the first embodiment of the present invention is rotatably mounted at a predetermined angle with respect to the printing unit.

FIG. 6 is a perspective view illustrating a back surface of a display unit of a display with a printer according to a second embodiment of the present invention.

FIG. 7 is a cross-sectional view illustrating a state before an engagement claw 53 of a display unit stopper of a display and an engagement hole of a guide frame are engaged with each other according to the second embodiment of the present invention.

FIG. 8 is a cross-sectional view illustrating a state after an engagement claw of a display unit stopper of a display and an engagement hole of a guide frame have been engaged according to the second embodiment of the present invention.

[Explanation of symbols]

 2 Display section 3 Printing section 4 Stacker section 19 Display section back frame 20 Paper discharge guide

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masakazu Takeuchi 4-11-22 Shibaura, Minato-ku, Tokyo F-term (in reference) 2C061 AP10 BB02 BB35 CC01 CD07 CD12 CD14 3F101 FB15 FE22 LA07 LB03 5G435 AA18 BB12 EE02 EE49 GG41 LL08

Claims (5)

[Claims] 1. A printing unit for performing printing while feeding and transporting paper, the paper being transported from the printing unit to the frame, behind a display having a display unit and a frame covering the back of the display unit. Display with paper discharge guide means for guiding paper in the discharge direction. 2. The display with a printer according to claim 1, further comprising a stacker section facing said sheet discharge guide means. 3. The printer with the printer according to claim 2, wherein said frame has a paper discharging means and said stacker portion, and further comprises a mounting portion which is mounted on said printing portion so that a tilt angle of a display portion of said display is variable. display. 4. The mounting wherein the display and the printing unit are rotatably mounted, and the rotation center of the display and the printing unit is coaxial with the rotation center of the driving side paper discharging unit of the paper discharging unit. Claim 3 which has a part
Display with printer. 5. The display according to claim 1, wherein said display is divided into a flat display frame covering a peripheral portion and a rear surface of a display, and a paper discharge guide frame having said paper guide. 4. The display with a printer according to claim 3, further comprising a moving means for moving along the frame.