KR20020004269A - a recess printer - Google Patents

Abstract

PURPOSE: A portable printer is provided to keep a portable printer easily by producing the printer in slim type, to enhance the printing efficiency of a printer by having a large area of paper rolls, and to exchange components or clean the printer simply. CONSTITUTION: A portable printer consists of upper/lower cases(2,3) having plural sidewalls forming a space portion(10), a paper cover(6) for exchanging paper rolls and fixing discharge roller(5), and a battery case(7). An upper battery case(8) is inserted into the upper case, and the base of a lower battery case is agreed with the base of the lower case. The paper develop/discharge unit(1) includes a frame(17) having a paper discharge guide unit(16) between plates(14,15), cutters(18) fixed at both ends of the plates, a thermal head(20) mounted on a support plate(19) under the cutters, and plural gears(22,22a,22b) connected to a motor(21). The plates radiate heat from the motor. The upper battery case has plural grooves(53) formed on a side opposite to terminal connectors(52). The upper battery case is inserted into a fitting part(31) of the upper case, and plural fitting parts(31) are inserted. Thereby, the battery case is not separated. The portable printer of slim type is carried easily. In addition, the printing efficiency of the printer is enhanced as a large paper roll area is large.

Description

Portable printer {a recess printer}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable printer, and in particular, a mechanism device having a developing unit, a feed unit, and a cutting unit integrally outputting and discharging the contents stored in a memory on a sheet and cutting to a predetermined length so as to be seated and fixed by upper and lower cases. In order to obtain a printout using a paper roll that is almost the same as the entire width of the upper case, a paper cover having a front opening is used to facilitate the replacement of the paper roll, and at the same time, a discharge roller is mounted on the bottom of the cover. By lowering the height of the printer, the printer is designed to be easy to carry and to increase the area of the paper roll to increase the printer efficiency, and to facilitate the replacement or cleaning of parts.

Printers are used to print documents or pictures by connecting serial cables to desktop PCs, personal digital assistants, notebook PCs, and data terminals.These printers are always installed in a fixed location. In the case of work, there was inconvenience of having to carry the printed output in advance, and it was impossible to reprint the necessary output during the work.

Utility Model Registration Application No. 1998-21966 filed by the present applicant to solve the cause of the "miniaturization structure of a portable printer", the upper case having a paper cover, the platen (discharge roller), the head, Built-in mechanism consisting of a head lifter, manual paper feeder, and a fixed bearing, has a space part with a predetermined width in the front of the mechanism, inserts a paper roll, and puts a different space part on both sides of the space part to embed a battery and a substrate. It consists of a paper cover which has a lower case and a cutter of a saw blade form in front of an upper case and a lower case.

Such a printer can reduce the size of the overall case, but since separate spaces are formed on both sides of the paper roll to embed the battery and the substrate, the width of the paper becomes very narrow with respect to the entire width of the case, and characters per unit area are printed. There is a problem that the efficiency is lowered because the ratio is small.

In addition, a separate space is secured to the lower case to fix the mechanism, and it is fixed using a screw as a fastening means, and a cutter for cutting the paper is provided on the paper cover, thereby increasing the number of assembly processes and There was a problem that takes a long time to repair and replace.

In addition, since the platen is directly connected to the motor, the gear unit, the head raising device, and the manual paper feed device, the height of the printer is thicker than necessary, resulting in inconvenience in transportation.

The present invention has been made to solve such a problem, the present invention is a portable printer, the bottom surface of the paper roll seating portion corresponding to the full width, and one of the plurality of side walls that provide a space portion for the battery case is inserted A printer lower case having a locking groove on the side wall and integrally having a plurality of serial port connections on another side wall associated with the space; A frame having a paper discharge guide unit integrally between the plates with roller seating grooves, a manual cutter to be fixed to both ends of the plate, and at the same time a thermal head installed on a support plate perpendicular to the bottom of the manual cutter, and seated in the roller seating grooves. Developing paper discharge part provided with a plurality of gears and a motor for rotating the discharge roller, the opening corresponding to the area of the paper roll seating portion on the upper side and the hinge hole and the fastener coupling groove formed on both sides of the opening and the space contact A printer upper case having a plurality of fixing protrusions on one side wall of the plurality of sidewalls constituting the battery case inserting portion, and having a mode switching portion on one side of the upper surface; A transparent plate having hinge shafts and elastic fasteners inserted into the hinge holes of the upper case of the printer at both ends, and a fixing plate having roller fixing portions formed at both ends under the transparent plate, and at the same time, a guide plate having a plurality of reinforcing pieces is integrated. A paper cover provided with; An upper side of the battery having an elastic fixture and a terminal connector on one side, a lower case of the battery having a box shape with an open upper side, and a fixing groove integrally provided on a side opposite to the terminal connector, and having an open box shape with an open bottom. The battery storage case consists of a case, which makes the printer slim and convenient to carry, while increasing the area of the paper roll to increase printing efficiency and simplifying parts replacement and cleaning. It is.

1 is a perspective view of a portable printer according to the present invention.

2 is an exploded perspective view of a portable printer according to the present invention.

3 is a longitudinal sectional view of a portable printer according to the present invention;

Figure 4 is a longitudinal cross-sectional view of the open state of the cover of the portable printer according to the present invention.

5 is a cross-sectional view taken along the line A-A of FIG.

Figure 6 is a longitudinal cross-sectional view of a state in which the battery case coupled to the portable printer according to the present invention removed.

<Brief description of symbols for the main parts of the drawings>

1: paper developing ejection, 2: printer upper case, 3: printer lower case,

5: discharge roller, 6: paper cover, 7: battery storage case,

8: battery upper case, 9: battery lower case, 10: space part,

11: jamming groove, 12: serial port connection, 13: paper roll seat,

14, 15: plate, 16: paper exit guide, 17: frame,

18: manual cutter, 19: support plate, 20: thermal head,

21: motor, 22, 22a.22b: gears, 23, 24: roller seating groove,

28: open part, 29: hinge ball, 30: fastener coupling groove,

31: battery case insertion part, 32, 33: fixing projection, 34: mode switching unit,

35: transparent plate, 36: hinge shaft, 37: elastic fixture,

38: Roller fixed part, 39: Fixed piece, 40: Reinforcement piece,

50: guide plate, 52: terminal connector, 53: fixing groove

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

The portable printer according to the present invention, as shown in Figure 1, the printer upper and lower case (2) (3) having a plurality of side walls to secure the paper development discharge portion (1) from above and below to form an internal space, Paper cover 6 and battery storage, which are rotatably fixed to one side of the upper case 2 of the printer to facilitate the replacement of the paper roll 4 and also to secure the discharge roller (platen) 5. The battery upper case 8 constituting the case 7 is inserted into the printer upper case 2, and the bottom surface of the battery lower case 9 is configured to coincide with the bottom surface of the printer lower case 3.

Here, the printer lower case 3 is a rectangular parallelepiped with an open top surface, and is provided with a space portion 10 into which the battery storage case 7 is inserted at one corner thereof, and one of a plurality of sidewalls providing the space portion 10. A serial port for connecting the communication grooves such as a desktop PC, a personal mobile terminal, a notebook PC, a data terminal, etc., to another side wall connected to the side wall on which the locking groove 11 is formed, and the locking groove 11 is formed on the side wall. The paper roll seating portion 13 corresponding to the entire width is formed integrally with the connecting portion 12 and the bottom surface.

The paper developing discharge unit 1 includes a frame 17 having a paper discharge guide 16 integrally between the plates 14 and 15 and a manual cutter fixed to both ends of the plates 14 and 15. 18) and interlocking gears 22 (22a) and (22b) connected to the thermal head (20) rotatably installed on the support plate (19) under the manual cutter (18) and the motor (21) for generating a driving force. It is composed.

The plates 14 and 15 are formed with roller seating grooves 23 and 24 having a predetermined width and depth at the top end side thereof, and the motor 21 is fixed to the rear inner side thereof. 21) to release the heat generated.

Here, the thermal head 20 is rotated in contact with the discharge roller 5 inserted into the roller seating grooves 23 and 24, and wound around the paper roll 4 between the thermal head 20 and the discharge roller 5. The paper is discharged regularly. The discharge roller 5 has a roller body 25 of a rubber material having a predetermined diameter, a roller shaft 26 supporting the roller body 25 at both ends thereof, and a gear provided at one side of the roller shaft 26. 27).

The upper case 2 of the printer is provided with an opening portion 28 corresponding to the area of the paper roll seating portion 13 on the upper side, the hinge hole 29 and the fixture coupling groove 30 is formed on both sides thereof, The battery case insertion part 31 which abuts on the space part 10 of the printer lower case 3 is integrally formed. A plurality of battery case inserting units 31 are provided at a portion corresponding to an outer inner wall of the plurality of side walls providing the battery case inserting unit 31, and a mode switching unit 34 is provided at one side of the upper surface.

The paper cover 6 is formed of a hinge shaft 36 inserted into the hinge hole 29 of the printer upper case 2 and an elastic fastener 37 inserted into the fixture coupling groove 30 on the transparent plate 35. The lower surface of the transparent plate 35 is provided with a fixing piece 39 having roller fixing portions 38 at both ends thereof, and at the same time, the guide plate 50 having a plurality of reinforcing pieces 40 is integrally formed. It is provided.

The roller fixing part 38 opens the paper cover 6 to insert or remove the discharge roller 5 so that the parts can be easily exchanged and cleaned, and when the roller fixing groove 38 is closed, the roller seating groove ( 23) It is more preferable to form the grooves in the form of "⊃" in order to prevent the vibration caused by the play phenomenon in the process of being mounted on (24) and to prevent the separation.

The battery lower case 9 forms an elastic fastener 51 on one side thereof to be caught by the locking groove 11 formed on the side wall of the lower case 3 of the printer, and is provided with a terminal connector 52 to provide a battery 60. ) Is supplied to the paper developing discharge unit 1.

The upper battery case 8 is formed with a plurality of fixing grooves 53 on the side facing the terminal connector 52 is formed is inserted into the battery case insert 31 in the printer upper case 2 and at the same time The plurality of battery case inserts 31 on the outer inner wall are inserted to prevent separation.

The portable printer constructed as described above has a paper developing outlet 1 placed in the center of the printer lower case 3, and then the printer upper case 2 having the paper cover 6 attached thereto is fixed thereon and fixed to the printer case. The assembly is completed, and then the paper cover 6 is opened to insert both ends of the discharge roller 5 in the opposite direction to the roller fixing portion 38 of the fixing piece 39, as shown in FIG.

6, after inserting the battery 70 into the battery lower case 9, the battery upper case 8 is brought into contact with the upper surface of the battery lower case 9, and then the printer upper case 2. Inserted into the battery case insertion portion 31 formed in the) and at the same time the fixing projections 32, 33 formed on the outer inner wall is coupled with the fixing groove 53 formed on the bottom side wall of the battery upper case (8), This prevents the battery upper case 8 from falling down. Then, the elastic fastener 37 provided on one outer wall of the battery lower case 9 is inserted into the locking groove 11, so that the battery is mounted in the printer.

In such a state, when a serial cable is connected to a communication port such as a desktop PC, a personal mobile terminal, a notebook PC, a data terminal, and the like, and outputs the result, the power of the battery 70 is applied to the motor 21 and at the same time, The rotational force is transmitted to the other gear 27 through the plurality of gears 22, 22a, and 22b to rotate the roller body 25, so that the paper is discharged by a certain amount, and the heat head 20 installed on the support plate 19. ) Is printed on the paper.

The roller body 25 facilitates paper discharge during output, prevents the discharged paper from being rewound to the paper roll after being used at the same time, and at the same time, the paper wound on the paper roll when the output paper is cut by the manual cutter 18. Will not be released.

On the other hand, when replacing the paper roll 4 or replacing and cleaning the paper developing outlet 1 and the discharge roller 5, pull the elastic fasteners 37 on both sides of the paper cover 6 inward to engage the fasteners. As shown in FIG. 4, after separating from the groove 30, the paper cover 6 is opened up by the hinge shafts 36 provided on both sides, thereby exchanging paper and discharging the rollers 5. Pull it up to remove it for replacement or cleaning.

As described above, the present invention allows the mechanism mechanism of the printer to be seated and fixed by the upper and lower cases, to use a paper roll replacement cover that is the same as the entire length of the upper case, and at the same time to install the discharge roller on the bottom of the cover. By doing so, the printer has a slim appearance to facilitate portability, and at the same time, to widen the area of the paper roll to increase printing efficiency, and to reduce the time required for assembly, replacement and cleaning of the printer.

Claims (2)

In a portable printer, The bottom surface is formed with a paper roll seating portion 13 corresponding to the entire width, and provided with a locking groove 11 on one side wall of the plurality of side walls providing the space portion 10 into which the battery storage case 7 is inserted. A printer lower case 3 having a plurality of serial port connection portions 12 integrally formed on another sidewall associated with the space portion 10; The frame 17 having the paper discharge guide 16 integrally between the plates 14 and 15 having the roller seating grooves 23 and 24, and manual cutters at both ends of the plates 14 and 15. 18 and the heat head 20 installed in the support plate 19 perpendicular to the lower portion of the manual cutter 18 and the discharge roller 5 seated in the roller seating grooves 23 and 24 are heated. A paper developing discharge unit 1 provided with a plurality of gears 22, 22a, 22b and a motor 21 for discharging paper while rotating the head 20; An opening 28 corresponding to the area of the paper roll seating part 13 is formed on the upper surface, and the hinge hole 29 and the fixture coupling groove 30 and the space 10 are formed at both sides of the opening 28. A printer upper case (2) having a plurality of fixing protrusions (32) (33) on one side of a plurality of sidewalls constituting the battery case inserting portion (31), and having a mode switching portion (34) on one side of the upper surface; ; A transparent plate 35 having a hinge shaft 36 and an elastic fastener 37 inserted into the hinge hole 29 of the upper case 2 of the printer at both ends, and roller fixing portions at both ends under the transparent plate 35. A paper cover (6) having a fixed piece (39) formed at the same time and a guide plate (50) having a plurality of reinforcing pieces (40) integrally formed thereon; An elastic fastener 37 and a terminal connector 52 are provided at one side, and a battery lower case 9 having a box shape with an open upper side, and a fixing groove 53 at a side facing the terminal connector 52. It consists of a battery storage case (7) consisting of a battery upper case (8) having an integrally formed, open bottom of the box form the printer in a slim shape to facilitate storage while carrying the area of paper roll A portable printer characterized by wider printing to improve printing efficiency and to facilitate parts replacement, cleaning and upgrading. The roller holder (38) formed in the fixing piece (39) is formed to have a groove of a "shape", so that the paper cover (6) is opened to insert or remove the discharge roller (5). The portable printer, characterized in that to facilitate the replacement and cleaning of the parts, and at the same time to be seated in the roller seating grooves (23) (24) and prevent separation from the play phenomenon when closed.