CN215792661U - Portable printer - Google Patents

Abstract

The utility model relates to the technical field of printers, and provides a portable printer which comprises a printer body and a carbon belt support, wherein a carbon belt gear box is arranged on the printer body, the carbon belt support comprises a carbon belt shaft and a carbon belt wheel connected to one end of the carbon belt shaft, a rotating seat is arranged on one side of the printer body, a rotating hole is formed in the rotating seat, a shaft end is arranged on one side, away from the carbon belt shaft, of the carbon belt wheel, the shaft end penetrates through the rotating hole, the carbon belt wheel abuts against the rotating seat, the other end, away from the carbon belt wheel, of the carbon belt shaft is connected with the carbon belt gear box, an elastic piece is arranged between the carbon belt gear box and the carbon belt shaft, and the carbon belt wheel is tightly pressed on the rotating seat through the elastic piece. Compared with the prior art, the utility model can detach the carbon belt shaft from the machine body only by pushing the shaft end of the carbon belt wheel to be separated from the rotating seat, thereby replacing a new carbon belt, having convenient and rapid replacement and simple structure, and meeting the use requirements of the portable printer.

Description

Portable printer

Technical Field

The utility model belongs to the technical field of printers, and particularly relates to a portable printer.

Background

In the field of printers, there are very few machines on the market that can simultaneously accommodate thermal transfer and paper such as printers a4 and a5, and they can be realized only by thermal printers in principle. However, the printed content of the thermal paper can not be preserved for a long time, and the content in the paper can fade and disappear automatically after the expiration date, so that the thermal paper needs to be printed again.

However, the existing thermal printer is not easy to carry, paper cannot cover the printer at any time, and the thermal ribbon is difficult to disassemble and assemble after being used, particularly a thermal ribbon support for supporting the thermal ribbon is easy to damage in the disassembling and assembling process, so that the portable requirement of the existing printer cannot be met.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to provide a portable printer to solve the technical problem that the conventional thermal printer is inconvenient to carry.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a portable printer, includes organism and carbon ribbon support, be equipped with the carbon ribbon gear box on the organism, the carbon ribbon support include the carbon ribbon axle and connect in the carbon ribbon wheel of carbon ribbon axle one end, one side of organism has the rotation seat, be equipped with the commentaries on classics hole on the rotation seat, wherein, the carbon ribbon wheel is kept away from one side of carbon ribbon axle is equipped with the axle head, the axle head is worn to establish on the commentaries on classics hole just the carbon ribbon wheel supports and leans on rotate on the seat, the carbon ribbon axle is kept away from the other end of carbon ribbon wheel with the carbon ribbon gear box is connected, the carbon ribbon gear box with be equipped with the elastic component between the carbon ribbon axle, the elastic component makes the carbon ribbon wheel top is tightly in rotate on the seat.

The portable printer provided by the utility model at least has the following beneficial effects: compared with the prior art, the portable printer has the advantages that the carbon ribbon support detachably connected to the printer body is designed, the carbon ribbon shaft can be detached from the printer body only by pushing the shaft end of the carbon ribbon wheel to be separated from the rotating seat, so that a new carbon ribbon is replaced, the replacement is convenient and rapid, the structure is simple, and the use requirement of the portable printer is met.

Optionally, the carbon ribbon support further includes a cover plate, and the cover plate covers the carbon ribbon shaft and is clamped on the machine body.

Optionally, a through hole is formed in the cover plate, and the carbon belt wheel is exposed in the through hole.

Optionally, a plug connector is arranged on the carbon belt wheel, a plug hole is formed in one end of the carbon belt shaft, and the plug connector is synchronously plugged in the plug hole.

Optionally, at least two synchronization grooves are annularly arranged at the hole opening of the insertion hole, at least two protruding strips are annularly arranged on the insertion head, and each protruding strip is engaged with the corresponding synchronization groove.

Optionally, the carbon ribbon support further comprises an engaging wheel, the engaging wheel is synchronously connected between the carbon ribbon shaft and the carbon ribbon gear box, one end of the elastic member abuts against the engaging wheel, and the other end of the elastic member abuts against the carbon ribbon gear box.

Optionally, a synchronous connection structure is arranged between the connecting wheel and the carbon belt shaft.

Optionally, the body is rotatably connected with a flip cover, and the flip cover is arranged on the flip support.

Optionally, the portable printer further comprises a glue applying roller, and the glue applying roller is rotatably connected to the flip cover.

Optionally, the machine body further comprises a rubber roll gear box, one end of the sizing roll is provided with a gear end, and the rubber roll gear box can be meshed with the gear end of the sizing roll.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a portable printer according to an embodiment of the present invention;

FIG. 2 is an exploded view of the portable printer provided in FIG. 1;

fig. 3 is a schematic view of an exploded structure of the carbon ribbon holder provided in fig. 1 mounted on a body;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

fig. 6 is a partially enlarged schematic view of C in fig. 3.

Wherein, in the figures, the respective reference numerals:

the device comprises a machine body 100, a carbon belt gear box 110, a rotating seat 120, a rotating hole 121 and a rubber roller gear box 130;

the carbon ribbon comprises a carbon ribbon bracket 200, a carbon ribbon shaft 210, a plug hole 211, a synchronous groove 2111, a carbon ribbon wheel 220, an end shaft 221, a plug connector 222, a convex strip 2221, a cover plate 230, a through hole 231, a connecting wheel 240 and a side blocking cover 250;

an elastic member 300;

a flip 400, a button 410;

a sizing roller 500, a gear end 510.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

A portable printer according to an embodiment of the present invention will now be described with reference to the drawings.

Referring to fig. 1 to 6, a portable printer includes a body 100 and a thermal transfer ribbon support 200, wherein the body 100 is provided with a thermal transfer ribbon gear box 110, and the thermal transfer ribbon gear is connected to a power member in the body 100 for transmitting a driving force. The power part can be driving motor, carbon ribbon support 200 includes carbon ribbon axle 210 and carbon ribbon wheel 220, carbon ribbon wheel 220 connects in carbon ribbon wheel 220's one end, one side of organism 100 has the rotation seat 120, the hole 121 has been seted up on the rotation seat 120, one side that carbon ribbon wheel 220 kept away from carbon ribbon axle 210 is equipped with the dead axle 221, dead axle 221 outside protrusion and with carbon ribbon wheel 220 formation ladder face, the axle head is worn to establish on rotating the hole 121, carbon ribbon wheel 220 supports and leans on rotating the seat 120 through the ladder face that forms, wherein, the axle head passes and rotates hole 121 backward evagination. The other end of the carbon belt shaft 210, which is far away from the carbon belt wheel 220, is connected to the carbon belt gear box 110, the carbon belt gear box 110 transmits the driving force to the carbon belt shaft 210 and drives the carbon belt shaft 210 to rotate, an elastic member is arranged between the carbon belt gear box 110 and the carbon belt shaft 210, and the elastic member elastically supports the carbon belt shaft 210 and the carbon belt gear box 110, so that the carbon belt wheel 220 is pressed against the rotating base 120, and the carbon belt shaft 210 is rotatably connected to the machine body 100. It should be noted that one, two or more than two carbon belt shafts 210 can be provided, and are all rotationally connected to the machine body 100 through the carbon belt wheel 220, and the number of the carbon belt shafts can be determined according to the installation requirement of the carbon belt.

Compared with the prior art, the portable printer has the advantages that the carbon ribbon support 200 detachably connected to the machine body 100 is designed, the carbon ribbon shaft 210 can be detached from the machine body 100 only by pushing the shaft end of the carbon ribbon wheel 220 to be separated from the rotating seat 120, so that a new carbon ribbon can be replaced, the replacement is convenient and rapid, the structure is simple, and the use requirement of the portable printer is met.

In an embodiment of the present invention, the carbon ribbon holder 200 further includes a cover plate 230, the cover plate 230 is engaged with the machine body 100 and covers the carbon ribbon shaft 210. The four delivery positions of the cover plate 230 are provided with fasteners, the machine body 100 is provided with fastening positions or fastening grooves which are fastened with the fasteners, and the cover plate 230 is assembled on the machine body 100 through the cooperation of the fasteners and the fastening positions or the fastening grooves, so that the disassembly is convenient, the structure is simple, and the connection is compact.

Furthermore, the cover plate 230 is provided with through holes 231, the carbon belt wheel 220 is exposed in the through holes 231, the number of the through holes 231 can correspond to the number of the carbon belt wheels 220, the through holes 231 can be used for observing the rotation of the carbon belt wheels 220, and further judging whether the carbon belt shaft 210 rotates, so as to determine whether the carbon belt on the printer operates, in addition, the carbon belt wheels 220 can be shifted on the through holes 231, so that the carbon belt wheels 220 are separated from the rotating seat 120, the carbon belt shaft 210 and the carbon belt wheels 220 installed on the carbon belt shaft 210 can be conveniently taken out after the cover plate 230 is detached, the damage caused by the fact that the carbon belt touches the external environment in the detaching process can be avoided, and the carbon belt can be protected.

In another embodiment of the present invention, the carbon belt pulley 220 is inserted into one end of the carbon belt shaft 210, wherein the carbon belt pulley 220 is provided with an insertion-connection plug 222, one end of the carbon belt shaft 210 is provided with an insertion-connection hole 211, the insertion-connection plug 222 is synchronously inserted into the insertion-connection hole 211, and when the carbon belt pulley 220 is rotatably connected to the rotating base 120 through the shaft end, the carbon belt shaft 210 is integrally formed with the carbon belt pulley 220 through a synchronous connection structure formed by the insertion-connection hole 211 and the insertion-connection plug 222, and is rotatably connected to the machine body 100. The carbon belt pulley 220 is connected to one end of the carbon belt shaft 210 in a plug-in manner, is easily coupled and separated, and can be quickly detached from the machine body 100.

Specifically, at least two synchronization grooves 2111 are annularly arranged at the opening of the insertion hole 211, at least two protruding strips 2221 are annularly arranged on the plug 222, and each protruding strip 2221 is engaged with the corresponding synchronization groove 2111. In this embodiment, the synchronization slots 2111 are uniformly arranged on the insertion hole 211, the protruding strips 2221 are uniformly arranged on the insertion head 222, and after one protruding strip 2221 is fitted on one synchronization slot 2111, the remaining protruding strips 2221 can be combined with the other synchronization slots 2111 at the corresponding positions. After the plug 222 is plugged, the carbon belt shaft 210 transmits torque through the engagement between the synchronization groove 2111 and the protrusion 2221, which is a preferred synchronization connection structure. In addition, the carbon tape wheel 220 and the carbon tape shaft 210 can be synchronously connected through other commercially available synchronous connection structures.

In another embodiment of the present invention, the carbon ribbon support 200 further includes an engaging wheel 240, the engaging wheel 240 is synchronously connected between the carbon ribbon shaft 210 and the carbon ribbon gear box 110, one end of the elastic member abuts against the engaging wheel 240, and the other end abuts against the carbon ribbon gear box 110, so that the engaging wheel 240 pushes against the carbon ribbon shaft 210, and further pushes against the carbon ribbon wheel 220 to be rotatably connected to the rotating base 120. The engaging wheel 240 is an engaging structure between the ribbon gear box 110 and the ribbon shaft 210, and transmits the driving force on the ribbon gear box 110 to the ribbon shaft 210.

Further, join in marriage between wheel 240 and the carbon ribbon axle 210 and be equipped with synchronous connection structure, synchronous connection structure is including pegging graft in the side of carbon ribbon axle 210 one end and keeping off lid 250 and locating the composition surface on joining in wheel 240, and the annular arrangement has synchronous tooth on the side keeps off the lid 250, has the tooth's socket with synchronous tooth matched with on the composition surface, and the elastic component supports to push away joins in wheel 240 and the side keeps off lid 250 and combines, compact structure, makes things convenient for the dismouting. In this embodiment, a driving shaft is disposed on the carbon ribbon gear box 110, the engaging wheel 240 is synchronously disposed on the driving shaft and can drive the driving shaft to rotate, and the elastic member is a compression spring, which is sleeved on the driving shaft and respectively pushes against the engaging wheel 240 and the carbon ribbon gear box 110.

In another embodiment of the present invention, the body 100 is rotatably connected with a flip 400, and the flip 400 is covered on the carbon ribbon support 200. The front end of flip 400 is equipped with the buckle, and the rear end articulates on organism 100, and the buckle can the lock joint on organism 100, and still be equipped with on flip 400 with the button 410 of buckle butt, button 410 can support and push away organism 100 and make buckle and organism 100 phase separation, for flip 400's open switch.

Specifically, the portable printer further includes a glue applying roller 500, and the glue applying roller 500 is used for rotatably connecting the printer to the flip 400 during a glue applying process.

More specifically, the machine body 100 further includes a rubber roller gear box 130, one end of the sizing roller 500 is provided with a gear end 510, the rubber roller gear box 130 can be engaged with the gear end 510 of the sizing roller 500, when the flip cover 400 is buckled on the machine body 100, the gear end 510 is connected with a driving gear on the rubber roller gear box 130, and the rubber roller gear box 130 transmits a driving force to the sizing roller 500 through the driving gear and the gear end 510, so as to drive the sizing roller 500 to rotate.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A portable printer is characterized by comprising a printer body and a carbon ribbon bracket, wherein the printer body is provided with a carbon ribbon gear box, the carbon ribbon bracket comprises a carbon ribbon shaft and a carbon ribbon wheel connected with one end of the carbon ribbon shaft, one side of the printer body is provided with a rotating seat, the rotating seat is provided with a rotating hole,

one side of the carbon belt wheel, which is far away from the carbon belt shaft, is provided with a shaft end, the shaft end penetrates through the rotating hole, the carbon belt wheel abuts against the rotating seat, the other end of the carbon belt wheel, which is far away from the carbon belt wheel, is connected with the carbon belt gear box, an elastic piece is arranged between the carbon belt gear box and the carbon belt shaft, and the carbon belt wheel is tightly pressed against the rotating seat through the elastic piece.

2. The portable printer as claimed in claim 1, wherein the carbon tape holder further comprises a cover plate covering the carbon tape shaft and engaged with the body.

3. The portable printer as in claim 2, in which said cover plate is provided with a through hole, said carbon pulley being exposed in said through hole.

4. The portable printer as claimed in claim 1, wherein the carbon belt wheel is provided with a plug, one end of the carbon belt shaft is provided with a plug hole, and the plug is synchronously plugged in the plug hole.

5. The portable printer as claimed in claim 4, wherein the opening of the insertion hole is annularly provided with at least two synchronization grooves, the insertion head is annularly provided with at least two protruding strips, and each protruding strip is engaged with the corresponding synchronization groove.

6. The portable printer of claim 1, wherein the ribbon holder further comprises an engaging wheel synchronously connected between the ribbon shaft and the ribbon gear case, and one end of the elastic member abuts against the engaging wheel and the other end abuts against the ribbon gear case.

7. The portable printer of claim 6, wherein a timing connection is provided between the adapter wheel and the carbon ribbon spool.

8. The portable printer of claim 1, wherein a flip cover is rotatably coupled to said body, said flip cover being disposed on said flip bracket.

9. The portable printer of claim 8, further comprising a glue roller rotatably coupled to said flip.

10. The portable printer of claim 9, wherein the body further comprises a rubber roller gear box, one end of the sizing roller has a gear end, and the rubber roller gear box can be engaged with the gear end of the sizing roller.

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