JP2000229757A - Printing part structure of electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a printing part structure of an electronic equipment provided with a guide member in contact with a paper after printing and capable of evacuating the guide member from the paper at the time of cutting work for pulling the paper back and preventing turning up of a tip part of the paper when a paper tray is mounted even if the guide member which comes into contact with a top face of the paper to be pulled back and passes the paper through an inner side of a regulation member is provided when the paper tray is slid and mounted. SOLUTION: This printing part structure of an electronic equipment is provided with an operation part 40 capable of operating a guide member 16 which comes into contact with a paper P to be discharged from a printing part 3 and guides the paper P in the direction of paper discharge in the direction of evacuation in which it does not come into contact with the paper P arbitrarily. When a paper tray 31 is mounted in a tray storage part 30, an interference avoiding part 33 which slides the paper tray 31 so that a tip part of the paper P does not interfere therewith is provided for a guide member 37 which comes into contact with a top face of the paper P to be returned onto the paper tray 31 and guides the paper P into the paper tray 31 through an inner side of a regulation member 36.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing unit structure such as a paper discharge port or a paper loading unit in an electronic device having a built-in printer (printing unit).

[0002]

2. Description of the Related Art There are electronic devices such as word processors built in printers. In such an electronic device with a built-in printer, in front of the paper discharge port for discharging the paper after printing, the paper is guided to the paper discharge port so as not to be warped, and in order to improve the paper feeding accuracy, A guide member is provided to guide the sheet by contacting the upper surface of the sheet. Specifically, the paper is pressed onto the paper discharge roller by bringing the guide member into contact with the upper surface of the paper.

[0003] There is also an electronic device with a built-in printer capable of printing on standard paper. As an electronic device with a built-in printer compatible with the standard paper, there is a system in which a paper tray on which standard papers are stacked is slid into the main body of the device and loaded. Specifically, the paper tray is overlaid with the fixed size paper with the width and the upper surface regulated by the paper pressing members on both sides, and such a paper tray is inserted and loaded into the apparatus main body. The paper pressing member functions as a regulating member that regulates the width and the upper surface of the paper. In the loaded state, the cover member overlaps the paper tray.

[0004]

By the way, recently,
A sheet having a cutting function that can cut out a printed sheet (adhesive seal sheet) into the form of the printed sheet has been put into practical use. Those having such a cutting function also have a function of pulling back the printed seal paper for cutting.

However, when the paper is pressed against the paper discharge roller by bringing the guide member into contact with the upper surface of the paper, the seal paper is sandwiched between the paper discharge roller and the guide member when the printed seal paper is pulled back. As a result, it is conceivable that the pull-back of the seal paper cannot be satisfactorily performed, and it is impossible to cope with the cutting.

Further, in the apparatus in which the paper tray is slid into the main body of the apparatus, when the printed seal paper is pulled back for cutting, the seal paper passes over the paper pressing member, and the cover member above the paper pressing member is in contact with the cover member. There is a possibility that a sheet of paper may be jammed between the seal papers. Therefore, since it is necessary to surely pass the lower side of the paper holding member, it is conceivable to provide a guide member for passing the seal paper to be pulled back inside the paper holding member on the cover member stacked on the paper tray. However, if the cover member is provided with a guide member that protrudes downward, the leading end of the sheet may be caught by the guide member when the sheet tray is loaded, and the leading end of the sheet may be turned up, so that the sheet cannot be fed to the printer.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a printing unit structure of an electronic device having a guide member which comes into contact with a printed sheet, in which the guide member is retracted from the sheet when cutting the sheet back. Is to make it possible. Another object of the present invention is to provide a printing unit structure for an electronic device in which a paper tray is slid and loaded, in which a guide member that comes into contact with the upper surface of the paper pulled back for cutting and passes the paper inside the regulating member. Is to prevent the leading edge of the sheet from being turned up when the sheet tray is loaded.

[0008]

According to a first aspect of the present invention, there is provided a printing unit structure for an electronic device, wherein the printing unit contacts a sheet discharged from the printing unit and moves in a sheet discharging direction. , And an operation unit that can arbitrarily operate the guide member in a retracting direction that does not contact the sheet.

Here, typical examples of the electronic device include a word processor and a personal computer, but any electronic device having a printing unit may be used. As the guide member, a member rotatably assembled to the device main body may be mentioned, but a member which is assembled with another configuration such as slidable may be used. The operating section may have any configuration as long as it has a function of enabling the guide member to be arbitrarily operated in the retreating direction that does not contact the sheet.

As described above, according to the first aspect of the present invention, the guide member for guiding the paper in the paper discharging direction by contacting the paper after printing can be arbitrarily moved in the retreating direction without contacting the paper by the operating portion. Since the printing unit structure enables the operation, for example, when the paper is pulled back for cutting, the guide member is operated in an evacuation direction that does not contact the paper by an arbitrary operation of the operation unit, and the guide member is moved from the paper. Can be placed in a retracted state.

According to a second aspect of the present invention, there is provided the printing unit structure of the electronic device according to the first aspect, further comprising a lock member for locking the guide member in a state of contacting the paper, and the operating unit includes:
It is characterized in that the lock by the lock member is released and the guide member is caused to retreat.

As described above, according to the second aspect of the present invention, the operation unit according to the first aspect releases the lock by the lock member that brings the guide member into contact with the sheet, and retracts the guide member. Let me do.

According to a third aspect of the present invention, there is provided the printing portion structure of the electronic device according to the second aspect, wherein the lock member is a spring member for urging the guide member into contact with the paper, and the operating portion is And a slidable operating member for retracting the guide member against the urging force of the spring member by the movement of the sloping portion.

As described above, according to the third aspect of the present invention, by the operation portion according to the second aspect, the guide member abutting the slope portion is brought into contact with the sheet by the movement of the slope portion by the sliding operation of the operation member. The guide member is caused to retreat against the urging force of the spring member to be brought into a state in which the guide member is moved.

According to a fourth aspect of the present invention, there is provided the printing section structure of the electronic apparatus according to the second aspect, wherein the lock member is a spring member for urging the guide member into contact with the sheet, and the operating section is And a cover member that is openable and closable outside the guide member, and the guide member is retracted in accordance with the opening and closing operation of the cover member.

Thus, according to the fourth aspect of the present invention, by the operating portion of the second aspect, the outer side of the guide member is opposed to the urging force of the spring member that brings the guide member into contact with the sheet. The guide member is caused to retract according to the opening and closing operation of the cover member.

According to a fifth aspect of the present invention, there is provided the printing portion structure of the electronic device according to the fourth aspect, wherein the cover member interferes with the guide member by the opening operation to retract the guide member. It is characterized by.

Thus, according to the fifth aspect of the invention, the opening operation of the cover member according to the fourth aspect causes the guide member to retract and interfere with the guide member.

According to a sixth aspect of the present invention, there is provided a tray storage section in which a sheet tray on which sheets to be supplied to a printing section are slid is loaded, and a regulation for regulating the width and upper surface of the sheet on the sheet tray. A printing unit structure of an electronic device having a member inside the device main body, the printing unit structure being disposed above a paper tray and coming into contact with the upper surface of the paper returned from the printing unit to the paper tray and passing through the inside of the regulating member. A guide member that guides the paper in the tray, and an interference avoiding unit that slides the paper tray so that the leading end of the paper on the paper tray does not interfere with the guide member when the paper tray is loaded in the tray storage unit. And a configuration provided with it.

Here, the regulating member may be a member having a function of regulating the width and the upper surface of the sheet, and may be a member attached to the paper tray or a member attached to the tray storage section. The guide member may be any member having a function of contacting the upper surface of the paper returned from the printing unit to the paper tray and guiding the paper into the paper tray through the inside of the regulating member.
A cover member provided on a paper tray is typically provided, but may be provided separately. As the interference avoiding unit, any configuration having a function of sliding the paper tray so that the leading end of the paper on the paper tray does not interfere with the guide member when loading the paper tray into the tray storage unit is used. It may be something.

As described above, according to the present invention, when the paper tray is loaded into the tray storage section in the electronic apparatus main body, the upper surface of the paper returned from the printing section to the paper tray is contacted. The interference avoiding unit prevents the leading edge of the paper on the paper tray from interfering with the guide member that guides the paper into the paper tray through the inside of the regulating member that regulates the width and upper surface of the paper on the paper tray. Since the print unit structure slides, for example,
Even if a guide member is provided to allow the paper to be pulled back for cutting to pass through the inside of the regulating member, when the paper tray is loaded, the interference avoiding unit prevents the leading end of the paper on the paper tray from interfering with the guide member. By sliding, it is possible to prevent the leading end of the paper from being turned up when the paper tray is loaded.

According to a seventh aspect of the present invention, there is provided the printing unit structure of the electronic device according to the sixth aspect, wherein the interference avoiding unit is formed on a lower surface of the tray storage unit and guides gradually as the paper tray is inserted. A guide surface for guiding the paper tray so as to approach the member. For example, as the guide surface, an inclined surface that becomes gradually higher toward the back is used.

According to the seventh aspect of the present invention, the interference avoiding portion according to the sixth aspect is formed on the lower surface of the tray storage portion, and gradually approaches the guide member as the paper tray is inserted. Since the paper tray guides the paper tray, the paper tray gradually approaches the guide member as it is inserted due to the guide surface when loading the paper tray.
It is possible to prevent the leading end of the sheet from interfering with the guide member.

According to an eighth aspect of the present invention, there is provided the printing section structure of the electronic apparatus according to the sixth aspect, wherein the interference avoiding section is a retreat mechanism for retreating the guide member upward by interfering with the leading end of the paper tray. Configuration. For example, the retracting mechanism includes a structure using a spring.

According to the eighth aspect of the present invention, the interference avoiding portion according to the sixth aspect is a retreat mechanism for retreating the guide member upward by interfering with the leading end of the sheet tray, so that when the sheet tray is loaded. In this case, the guide member retreats upward due to interference with the leading end of the sheet tray by the retreat mechanism, and it is possible to avoid the leading end of the sheet from interfering with the guide member.

According to a ninth aspect of the present invention, there is provided the printing unit structure of the electronic apparatus according to the eighth aspect, wherein the retracting mechanism is provided in the tray storage unit on a cover member which is overlaid on the paper tray. It is characterized by.

According to the ninth aspect of the present invention, since the retracting mechanism according to the eighth aspect is provided in the tray storage section on the cover member which is superimposed on the paper tray, the retracting mechanism is provided when the paper tray is loaded. In the above, the guide member retreats upward with respect to the cover member overlapping the paper tray to be inserted, by interfering with the front end of the paper tray.

[0028]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a printing section structure of an electronic device according to the present invention will be described below with reference to FIGS. First, FIG. 1 is a perspective view showing an external appearance of an electronic device as an example to which the present invention is applied, and FIG. 2 shows a schematic configuration near a printing portion of the electronic device. It is the longitudinal side view shown. In the embodiment, the electronic device 1 is a portable word processor or a personal computer as shown in FIG. 1, and a printer (printing unit) 3 is built in a rear portion of the device main body 2.

The printer 3 includes a printer main body 4, a carriage 5, and an ink ribbon 6 as shown in FIG.
And so on. The device body 2 is formed by combining an upper case 7 and a lower case 8. A connecting member 12 is connected to a rear portion of the upper case 7 via a supporting shaft 11, and a holding member 14 is connected to the connecting member 12 via a supporting shaft 13. A supporting shaft 15 is connected to the holding member 14. The guide member 16 is connected through the intermediary. The connecting member 12, the holding member 14, and the guide member 16 are plate-shaped. The connecting member 12 is located above the printer 3, and the holding member 14 and the guide member 16 are located behind the printer 3. In addition,
The holding member 14 extends to both sides of the guide member 16 as shown in FIG.

The guide member 16 has a lower end portion 17 functioning as a paper guide portion.
2 is urged clockwise in FIG. 2 by a torsion coil spring (lock member) 18 provided between the support shaft 15 and the holding member 14. By the biasing of the torsion coil spring 18, a locked state in which the lower end portion 17 of the guide member 16 approaches the paper discharge roller 19 provided at the rear portion of the printer main body 4 is obtained. An appropriate detent means (structure) is provided so that the guide member 16 does not rotate forward of the holding member 14. As shown by phantom lines in FIG. 2, the connecting member 12 is superimposed on the rear end of the upper case 7, and the holding member 14 and the guide member 16
Are straight and overlap obliquely. Thereby, the upper part and the rear part of the printer 3 are opened.

A rear cover member 22 is connected to a rear portion of the lower case 8 via a support shaft 21, and an upper cover member 24 is connected to the rear cover member 22 via a support shaft 23. In the lower half of the rear cover member 22,
A discharge port 25 is formed, and a middle cover member 27 is connected to the discharge port 25 via a lower support shaft 26. The rear cover member 22, the upper cover member 24, and the middle cover member 27 are plate-shaped. The rear cover member 22 is located behind the holding member 14 and the guide member 16, and the upper cover member 24 is It is located above. Note that the middle cover member 27 is openable and closable from the rear with respect to the paper discharge port 25. As shown by the imaginary line in FIG. 2, the rear cover member 22 falls backward from the rear end of the lower case 8 and assumes an oblique posture, and the upper cover member 24 extends linearly above it. Thereby, the rear of the printer 3 is opened.

Further, inside the lower case 8, there is provided a tray storage section 30 into which the paper tray 31 is inserted from the front of the apparatus main body 2 and slid and loaded. In the tray storage unit 30, an upper protruding portion 32 is formed on the bottom surface of the lower case 8 immediately before the printer main body 4.
An inclined surface (guide surface, interference avoiding portion) 33 that becomes gradually higher is formed on the front side of the upper protruding portion 32. The upper surface of the tray storage section 30 is provided with a plate-shaped cover member 3.
The cover member 35 is provided with a pair of left and right paper pressing members (restriction members) 36 that protrude downward, and a guide member that protrudes smoothly downward immediately after the paper pressing member 36. 37 are provided.

In the above, a paper cutting device (not shown) is provided in the vicinity of the printer 3, and the printed paper (seal paper) is cut along the shape of the print by the paper cutting device. As shown in FIG. 2, the discharge after normal printing is performed by the discharge port 25 of the rear cover member 22 located on the rear side of the holding member 14 and the guide member 16.
, The middle cover member 27 is set to a state in which the middle cover member 27 is lowered rearward.
The paper P after printing by the printer 3 is pressed against the discharge roller 19 by the lower end portion 17 of the guide member 16 by the bias of the torsion coil spring 18, and is smoothly discharged from the discharge port 25. ing.

FIG. 3 is a longitudinal sectional side view similar to FIG. 2, showing a state before the sheet is discharged, and FIG. 4 is a view showing the configuration of the operation section of FIG. 3, and FIG. Is a front view seen from behind,
FIG. 4B is a cross-sectional plan view of a main part. In the state before the sheet is discharged, the operation unit 40 is in a non-operation state as illustrated. That is, the operation section 40 is provided at both left and right ends of the holding member 14 and the guide member 16 and has the operation lever 41. The operation lever 41 includes a slide portion 42
Has a slanted recess 43 on the rear surface of the
It has an operation knob part 44 protruding rearward from 2.
The operation lever 41 is provided with a slide portion 42 in a lever storage portion 45 formed inside the side portion of the holding member 14 and opened rearward.
Is installed to be freely movable in the left-right direction. Further, an inclined concave portion 43 of the slide portion 42 is provided at a side end portion of the guide member 16.
Is formed. The state in which the ribs 46 are located in the inclined recessed portions 43 is a state before the discharge in which the guide member 16 is in a state of being close to the discharge roller 19 as shown in FIG. .

FIG. 5 shows a state in which the paper after printing is pulled back, and is a vertical sectional side view similar to FIG. 2, and FIG.
FIG. 6A is a front view as viewed from the rear, and FIG. 6B is a cross-sectional plan view of a main part, showing the operation unit 40 of FIG. When the printed paper (seal paper) P is pulled back for cutting, the operation knob 44 is moved outward by a finger in the operating units 40 on both the left and right sides of the holding member 14 and the guide member 16. Then, as shown in FIGS. 6A and 6B, the rib 46 at the side end of the guide member 16 is
Then, as shown in FIG. 5, the guide member 16 slightly rotates counterclockwise in the drawing against the urging force of the torsion coil spring 18, as shown in FIG. Thereby, the lower end portion 17 of the guide member 16 separates from the paper discharge roller 19 and retreats rearward and upward. Therefore, as shown by the arrow in FIG. 5, the sheet (seal sheet) P after printing is smoothly pulled back without any trouble, and the print shape of the sheet (seal sheet) P after printing by the above-described sheet cutting device is obtained. The cutting along is performed smoothly.

FIG. 7 is a longitudinal sectional side view similar to FIG. 2 showing a paper discharge state, and FIG.
FIG. 4 is a plan view showing a cover member 35 that is superimposed on 1; That is, when the sheet (seal sheet) P is pulled back, the rear end of the sheet (seal sheet) P is
After coming into contact with a laterally extending guide member 37 that projects smoothly below the cover member 35 overlapping the upper part 1, it passes through the inside of the pair of left and right paper pressing members 36, 36 and is returned to the paper tray 31. Then, when the paper tray 31 is loaded into the tray storage unit 30, the paper tray 31 slides on the bottom surface of the lower case 8, and the leading end of the paper tray 31 is moved as indicated by a virtual line in FIG. After climbing on the inclined surface 33, the height gradually increases, and avoids interference of the cover member 35 with the guide member 37, and rides on the upper protruding portion 32 in front of the printer main body 4 to be in a loaded state. Accordingly, the leading end of the sheet on the sheet tray 31 is not turned up by the guide member 37 of the cover member 35, and the sheet tray 31 can be smoothly loaded into the tray loading section 30.

<Modification> FIG. 9 shows a modification of the guide member when the paper is pulled back, and is a vertical sectional side view similar to FIG. In this embodiment, in the tray storage unit 30, the bottom surface of the lower case 8 is formed as a pedestal-shaped slide surface 38, and the evacuation mechanisms (interference avoiding units) 50 are provided on the left and right sides of the upper cover member 35. It is. The evacuation mechanism 50 is
A guide member 51 formed of a convex member which is smoothly incorporated into the cover member 35 from above and which protrudes downward, a tension coil spring 52 which constantly urges the guide member 51 downward with respect to the cover member 35, and a guide member Convex portions 53 provided on both sides of the leading end portion of the paper tray 31 so as to interfere with
It is composed of The guide member 51 by the retracting mechanism 50 allows the paper P to be smoothly pulled back to the paper tray 31 as well as the paper tray 3 to the tray storage unit 30 as in the above-described embodiment.
1 can be loaded smoothly.

That is, when the paper tray 31 is
When the paper tray 31 is loaded, the paper tray 31 slides on the slide surface 38 on the bottom surface of the lower case 8, and the guide member 51 resists the urging force of the tension coil spring 52 on the projections 53 on both sides of the leading end of the paper tray 31. The guide member 51 prevents the leading end of the sheet on the sheet tray 31 from being turned up. Then, when the guide member 51 exceeds the convex portion 53, the guide member 51 is again projected downward from the cover member 35 by the urging force of the tension coil spring 52, and the paper tray 31 is loaded by further pushing. When the sheet (seal sheet) P is pulled back, the rear end of the sheet (seal sheet) P is placed on the sheet tray 3.
The sheet tray 3 contacts the left and right guide members 51, 51 that protrude smoothly below the cover member 35, and passes through the pair of left and right paper pressing members 36, 36.
Returned to 1

FIG. 10 is a perspective view showing a first modification of the sheet discharging portion. In this embodiment, the holding member 14
In addition, the guide member 16 is configured to perform a retreat operation in conjunction with the opening operation of the rear cover member 22. That is, an L-shaped groove 61 is formed at the lower portion on both sides of the rear cover member 22, the support shaft 21 is movably assembled to the L-shaped groove 61, and the projecting pieces 62 are integrally formed on the lower left and right of the rear cover member 22. Form. When the rear cover member 22 is closed, the support shaft 21 is located at the upper end of the L-shaped groove 61. When tilting the rear cover member 22 backward, first, the rear cover member 22 is lifted, and the support shaft 21 is positioned at the lower end of the L-shaped groove 61. When the rear cover member 22 is tilted backward with the support shaft 21 as a fulcrum, the projecting piece 6
2 contact the lower portions on both sides of the holding member 14, and
And the guide member 16 retreats rearward with the support shaft 13 as a fulcrum.

FIG. 11 shows a second modification of the sheet discharge portion. FIG. 11A is a side view showing a state immediately before the cover member 27 interferes with the guide member 16, and FIG.
(B) is a side view showing the retracted state of the guide member 16 due to the interference of the cover member 27. In this embodiment,
The guide member 16 is configured to retreat in conjunction with the opening operation of the middle cover member 27. That is, the middle cover member 27 is connected to the rear cover member 22 by the support shaft 26 at an intermediate portion closer to the upper side. FIG. 11 (a)
When the middle cover member 27 is rotated in the counterclockwise direction as indicated by an arrow, the top end of the middle cover member 27 beyond the support shaft 26 is positioned at the upper end of the guide member 16 above the support shaft 15. 11B, the guide member 16 rotates counterclockwise as indicated by the arrow in FIG. Thus, the guide member 16 retreats rearward with the support shaft 15 as a fulcrum. Therefore, the operation of pulling back the sheet P as described above is performed without any trouble. A holding unit (not shown) is provided so that the guide member 16 is held in the retracted state.

FIG. 12 shows a third modified example of the paper discharge portion. FIG. 12 (a) is a vertical sectional side view showing a normal paper discharge state, and FIG. 12 (b) is a guide with the cover member opened. It is a vertical side view which showed the evacuation state of the member. In this embodiment, the device main body 2 includes a guide member 72, a rear upper cover member 74, a rear lower cover member 75, and an upper surface cover member 77. That is, the guide member 72 is assembled to the device main body 2 via the support shaft 71, and
Through the rear upper cover member 74 and the rear lower cover member 7
5, and an upper cover member 77 is connected to a rear upper cover member 74 via a support shaft 76. A rear lower cover member 75 is provided on both inner surfaces of the device body 2.
And a click projection 78 which is in contact with both side surfaces of the rear surface and holds the rear lower cover member 75.

In the normal paper discharge state, the lower end of the guide member 72 is in contact with the paper P as shown in FIG. At the time of the sheet P pullback operation as described above,
As shown in FIG. 12B, the rear upper cover member 74 and the upper surface cover member 77 are rotated counterclockwise about the support shaft 73 as a fulcrum, and then the guide member 72 is rotated about the support shaft 71 as a fulcrum. Rotate clockwise. Thereafter, the lower rear cover member 75 is rotated counterclockwise about the support shaft 73 as a fulcrum, and the click lower projection 78 holds the lower rear cover member 75. Therefore, the operation of pulling back the sheet P as described above is performed without any trouble. In addition, the ink ribbon 6 can be detached for maintenance such as replacement.

FIG. 13 shows a fourth modified example of the paper discharge portion, and is a vertical sectional side view showing a normal discharge state.
FIG. 14 shows the paper discharge portion.
14A is a side view showing a state in which the posture of the cover member 75 is slightly changed, and FIG. 14B is a side view showing a retracted state of the guide member 72 with the cover member opened. This embodiment is obtained by slightly modifying the third modification (see FIG. 12) described above. That is, although the device main body 2 is provided with the guide member 72, the rear upper cover member 74, the rear lower cover member 75, and the upper surface cover member 77, it is the same as the third modification, except that the rear upper cover member 74 and the rear lower surface are provided. The support shaft 73 of the cover member 75 is positioned slightly forward, and a click projection 79 is provided below the support shaft 73.

When the paper is to be discharged, the lower rear cover member 75 is slightly rotated clockwise about the support shaft 73 as a fulcrum, and the lower rear cover member 75 is held by the click projection 79. This state is shown in FIG. FIG.
As shown in FIG. 4A, in the normal paper discharge state, the paper P
The lower end of the guide member 72 and the lower end of the lower rear cover member 75 are in contact with each other. Paper P as described above
At the time of the pull-back operation, as shown in FIG.
After rotating the rear upper cover member 74 and the upper surface cover member 77 counterclockwise with the support shaft 73 as a fulcrum, the guide member 72 is rotated clockwise with the support shaft 71 as a fulcrum. Thereafter, the rear lower cover member 75 is slightly rotated clockwise about the support shaft 73 as a fulcrum. Even in this state, the rear lower cover member 75 is provided with the click protrusion 7.
9 indicates a holding state. Therefore, the operation of pulling back the sheet P as described above is performed without any trouble, and the ink ribbon 6 can be detached for maintenance such as replacement.

In each of the above embodiments,
Although a word processor or a personal computer was used, the present invention is not limited to this, and other electronic devices with a built-in printer (printing unit) may be used. Further, the configuration of a printing unit, a guide member, an operation unit, a lock member, a spring member, a cover member, a paper tray, a tray storage unit, a regulating member, a guide member, an interference avoiding unit, a guide surface, a retracting mechanism, and the like are also arbitrary. In addition, it is needless to say that specific detailed structures and the like can be appropriately changed.

[0046]

As described above, according to the printing portion structure of the electronic apparatus according to the first aspect of the present invention, the guide member that contacts the printed sheet and guides the sheet in the sheet discharging direction is provided by the operating portion. Can be arbitrarily operated in the evacuation direction that does not come into contact with the paper, for example, when the paper is pulled back for cutting, the guide member can be operated in the evacuation direction that does not come into contact with the paper by an arbitrary operation of the operation unit. Thus, the guide member can be retracted from the sheet.

According to the printing section structure of the electronic apparatus according to the second aspect of the present invention, the lock by the lock member for bringing the guide member into contact with the sheet is released by the operating section, and the first aspect of the present invention provides As described above, the guide member can be made to retreat.

According to the printing portion structure of the electronic device according to the third aspect of the present invention, the biasing force of the spring member that brings the guide member in contact with the sheet into contact with the sheet by the movement of the operating member by sliding operation. In contrast, the guide member can be made to retreat as in the second aspect of the present invention.

According to the printing portion structure of the electronic device according to the fourth aspect of the present invention, the cover member outside the guide member is opened and closed against the urging force of the spring member for bringing the guide member into contact with the sheet. According to the operation, the guide member can be retracted according to the second aspect of the present invention.

According to the printing portion structure of the electronic device according to the fifth aspect of the present invention, the guide member is interfered by the opening operation of the cover member and the guide member is retracted as in the fourth aspect of the invention. be able to.

According to the printing portion structure of the electronic device according to the invention, when the paper tray is loaded, the printing device comes into contact with the upper surface of the paper returned from the printing portion to the paper tray.
With the guide member that guides the paper into the paper tray through the inside of the regulating member that regulates the width and top surface of the paper on the paper tray, the interference avoiding part prevents the paper tip on the paper tray from interfering with the paper tray. For example, even if a guide member is provided to allow the paper to be pulled back for cutting to pass through the inside of the regulating member for sliding, when the paper tray is loaded, the leading end of the paper on the paper tray is guided by the interference avoiding unit. The paper tray can be slid without interfering with the paper tray to prevent the leading edge of the paper from being turned up when the paper tray is loaded.

According to the printing portion structure of the electronic apparatus according to the present invention, when the paper tray is loaded, the paper tray is gradually inserted into the guide member as the paper tray is inserted by the guide surface formed on the lower surface of the tray storage portion. Since it approaches, it is possible to prevent the leading end of the sheet from interfering with the guide member as in the invention described in claim 6.

According to the printing section structure of the electronic apparatus according to the present invention, when the paper tray is loaded, the guide member retreats upward by interfering with the leading end of the paper tray by the retracting mechanism. As in the invention described in Item 6, it is possible to prevent the leading end of the sheet from interfering with the guide member.

According to the printing portion structure of the electronic apparatus according to the ninth aspect, when the paper tray is loaded, the guide member interferes with the front end of the paper tray with respect to the cover member overlapping the inserted paper tray. , As in the eighth aspect of the present invention.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an external appearance of an electronic apparatus as an example to which the present invention is applied.

FIG. 2 is a vertical sectional side view showing a schematic configuration near a printing unit of the electronic apparatus of FIG. 1, and showing a normal paper discharge state.

FIG. 3 is a vertical sectional side view similar to FIG. 2, showing a state before paper discharge.

FIGS. 4A and 4B show the configuration of the operation unit of FIG. 3, wherein FIG. 4A is a front view as viewed from the rear, and FIG.

FIG. 5 illustrates a state in which the paper after printing is pulled back.
FIG. 3 is a vertical sectional side view similar to FIG. 2.

6 (a) is a front view as viewed from the rear, and FIG. 6 (b) is a cross-sectional plan view of a main part, showing the operation unit of FIG.

FIG. 7 is a vertical cross-sectional side view similar to FIG. 2, showing a paper discharge state.

FIG. 8 is a plan view showing a cover member overlapping the paper tray of FIG. 7;

FIG. 9 is a vertical sectional side view similar to FIG. 2, showing a modified example of the guide member when the paper is pulled back.

FIG. 10 is a perspective view showing a first modified example of a sheet discharging portion.

FIG. 11 shows a second modified example of the sheet discharging portion.
(A) is a side view showing a state immediately before the cover member interferes with the guide member, and (b) is a side view showing a retracted state of the guide member due to interference of the cover member.

FIG. 12 shows a third modified example of the sheet discharging portion.
FIG. 6A is a vertical sectional side view showing a normal paper discharge state, and FIG. 6B is a vertical sectional side view showing a retracted state of a guide member with a cover member opened.

FIG. 13 is a vertical sectional side view showing a fourth modified example of the sheet discharging portion and showing a normal sheet discharging state.

14A and 14B show a sheet discharging portion of FIG.
Is a side view showing a state where the posture of the cover member is slightly changed,
(B) is a side view showing the retracted state of the guide member with the cover member opened.

[Explanation of symbols]

 P paper 1 electronic device 2 device body 3 printer (printing unit) 16 guide member 18 spring member (locking member) 19 paper discharge rollers 22, 24 cover member 25 paper discharge port 27 middle cover member 30 tray storage unit 31 paper tray 33 inclined Surface (guide surface, interference avoiding portion) 35 cover member 36 paper press member (restriction member) 37 guide member 38 slide surface 40 operation portion 41 operation lever 42 slide portion 43 inclined recess 44 operation knob portion 45 operation lever storage portion 46 rib 50 Evacuation mechanism (interference avoiding part) 51 Guide member 52 Spring member 53 Convex part 61 L-shaped groove 62 Projection piece 72 Guide member 74, 75, 77 Cover member 78, 79 Click convex part

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3F054 AA01 AC05 BA02 BB05 BB13 BC02 BC08 BG02 3F101 FA01 FB11 FC11 FE03 LA07 LB03

Claims (9)

[Claims] A guide member for guiding a sheet in a sheet discharging direction by contacting a sheet discharged from a printing section; and an operation section capable of arbitrarily operating the guide member in a retracting direction not in contact with the sheet. A printing unit structure for an electronic device, comprising: 2. The apparatus according to claim 1, further comprising a lock member for locking the guide member so as to be in contact with the sheet, and wherein the operating portion releases the lock by the lock member and retracts the guide member. Printing unit structure of electronic equipment. 3. The lock member is a spring member for urging the guide member into contact with the sheet. The operating portion has a slope contacting the guide member, and the operation of the spring member is caused by the movement of the slope. The printing unit structure of an electronic device according to claim 2, further comprising an operation member capable of sliding operation for retracting the guide member against the urging force. 4. The lock member is a spring member for urging the guide member into contact with the sheet. The operating portion includes a cover member that can be opened and closed outside the guide member, and is used for opening and closing the cover member. 3. The printing unit structure for an electronic device according to claim 2, wherein the guide member is caused to perform a retracting operation in response to the operation. 5. The printing unit structure for an electronic device according to claim 4, wherein the cover member causes the guide member to retreat by interfering with the guide member by the opening operation. 6. A device storage unit in which a sheet tray on which sheets supplied to a printing unit are stacked is slid and loaded, and a regulating member for regulating a width and an upper surface of the sheet on the sheet tray are provided in the apparatus main body. A printing unit structure of an electronic device provided with the guide unit, which is disposed above the paper tray and contacts the upper surface of the paper returned from the printing unit to the paper tray, and guides the paper into the paper tray through the inside of the regulating member. A member, and an interference avoiding unit that slides the paper tray so that the leading end of the paper on the paper tray does not interfere with the guide member when the paper tray is loaded in the tray storage unit. Printing part structure of electronic equipment. 7. The apparatus according to claim 7, wherein the interference avoiding portion is a guide surface formed on a lower surface of the tray storage portion and guiding the paper tray so as to gradually approach the guide member as the paper tray is inserted. Item 7. A printing portion structure of the electronic device according to Item 6. 8. An interference avoiding unit is a retracting mechanism for retracting a guide member upward by interfering with a leading end of a paper tray.
7. The printing unit structure of an electronic device according to claim 6, wherein: 9. The printing unit structure for an electronic device according to claim 8, wherein the retracting mechanism is provided on a cover member superimposed on the paper tray in the tray storage unit.