CN209832983U - Thermal printer back-off slides structure of uncapping - Google Patents

Abstract

The utility model provides a thermal printer back-off slides structure of uncapping, including last inner cup and lower inner cup, it is located to go up the inner cup the top of inner cup is provided with the roller bearing down on the preceding tip of inner cup, the roller bearing sets up along left right direction roller bearing one side be equipped with the parallel pull rod of roller bearing, set up down buckling parts on the pull rod, the pull rod passes through elastomeric element drive side-to-side movement the preceding tip of going up the inner cup be provided with the parallel heat sensitive piece of roller bearing one side of heat sensitive piece is located the bottom surface of going up the inner cup have with the last buckling parts of the mutual lock of buckling parts down. Adopt the utility model provides a thermal printer back-off slides structure of uncapping has the last inner cup of temperature sensing piece and has the mode connection of portion of colluding the lock between the lower inner cup of roller bearing and fixes, firm in connection, and the printing process is steady.

Description

Thermal printer back-off slides structure of uncapping

Technical Field

The utility model relates to a printer field, concretely relates to thermal printer back-off slides structure of uncapping.

Background

Traditional go up paper out printer core, motor element and temperature sensing piece subassembly are integrative, only need open solitary roller bearing subassembly, just can realize uncapping and adorn paper. At present, most of the heat-sensitive portable printers which discharge paper before are respectively assembled by a motor component, a heat-sensitive sheet component and a roller component in a separated mode, paper is filled by opening the heat-sensitive sheet component to open the cover, and the heat-sensitive sheet is tightly contacted with the roller after the cover is closed. The inventor finds that the traditional thermal printer movement has the following technical problems: the cooperation of the heat sensitive sheet assembly and the roller assembly is not compact and firm enough, and the stability is not enough, so that the printing effect is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a firm in connection is provided, the thermal printer back-off slip structure of uncapping of the printing effect of printer can be guaranteed.

The utility model provides a thermal printer back-off slides structure of uncapping, including last inner cup and lower inner cup, it is located to go up the inner cup the top of inner cup is provided with the roller bearing down on the preceding tip of inner cup, the roller bearing sets up along left right direction roller bearing one side be equipped with the parallel pull rod of roller bearing, set up down buckling parts on the pull rod, the pull rod passes through elastomeric element drive side-to-side movement the preceding tip of going up the inner cup be provided with the parallel heat sensitive piece of roller bearing one side of heat sensitive piece is located the bottom surface of going up the inner cup have with the last buckling parts of the mutual lock of buckling parts down.

Further, lower buckling parts are two and set up in the left and right sides of pull rod, the top of lower buckling part has the lower portion of colluding that extends to same direction, go up the buckling parts be two and set up in the both sides of going up the inner cup bottom surface, the below of going up the buckling parts have to same direction extend, supply the lower portion of colluding of buckling parts colludes the portion of colluding upward that colludes into down.

Further, the end of the upper hook and the end of the lower hook have smooth guide angles.

Furthermore, a rotating plate extending downwards and backwards is arranged at the rear end part of the upper inner cover, two side surfaces of the rear end of the lower inner cover are provided with grooves for the rotating plate to be inserted in, a free end part of the rotating plate is provided with an opening, and two side surfaces of the rear end of the lower inner cover are provided with bulges for the rotating plate to be inserted in.

Further, the pivot one side cover of roller bearing is equipped with the roller gear, the roller gear passes through drive mechanism drive rotation, drive mechanism includes the motor, suit drive gear on the tip of the output shaft of motor, drive gear is rotatory by motor drive, drive gear passes through reduction gear assembly and connects the roller gear, reduction gear assembly includes first reduction gear and second reduction gear, first reduction gear with second reduction gear meshes, drive gear with first reduction gear meshes, the second reduction gear with roller gear meshes.

Further, a bottom cover is arranged below the lower inner cover, a baffle is arranged on the pull rod, the elastic component is a spring, one end of the elastic component is installed on the baffle, a limiting plate is arranged on the bottom cover, the other end of the spring is abutted to the limiting plate, and a shifting piece is arranged on the spring.

Furthermore, the heat-sensitive sheet is arranged on a heat-sensitive sheet support, a pressure plate is arranged above the heat-sensitive sheet support, a pressure spring is arranged between the heat-sensitive sheet support and the pressure plate, one end of the pressure spring is abutted to the heat-sensitive sheet support, and the other end of the pressure spring is abutted to the pressure plate.

By adopting the reverse-buckling sliding cover opening structure of the thermal printer provided by the utility model, the upper inner cover with the thermal sensitive sheet and the lower inner cover with the rolling shaft are fixedly connected in a buckling mode of the hook parts, the connection is firm, the printing process is stable, the printing effect of the printer is ensured, when the cover opening is needed, the shifting piece connected with the spring is shifted, the spring is compressed, the lower hook parts of the lower hook parts leave the upper hook parts of the upper hook parts, and the cover opening is realized; when the box cover is needed, the shifting piece connected with the spring is shifted, the spring is compressed, when the lower hook part of the lower buckling part is positioned above the upper hook part of the upper buckling part, the shifting piece is released, the spring recovers elasticity, and the lower hook part of the lower buckling part is buckled into the upper hook part of the upper buckling part, so that the cover closing is realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 schematically illustrates an exploded view of a part of a thermal printer flip-flop sliding cover structure according to an embodiment of the present invention;

fig. 2 schematically illustrates a fastening structure of the upper inner lid and the pull rod according to an embodiment of the present invention;

fig. 3 schematically illustrates a schematic view of an upper inner lid according to an embodiment of the present invention;

fig. 4 schematically illustrates a schematic view of a roller and a pull rod according to an embodiment of the present invention;

fig. 5 schematically illustrates a structural schematic diagram of the upper inner cover and the lower inner cover according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 5, the embodiment of the utility model provides a thermal printer back-off slides structure of uncapping, including last inner cup 1 and lower inner cup 2, it is located the top of inner cup 2 down to go up inner cup 1, be provided with roller bearing 3 on the preceding tip of inner cup 2 down, roller bearing 3 sets up along left right direction, be equipped with the pull rod 4 parallel with roller bearing 3 in roller bearing 3 one side, buckling parts 5 under setting up on pull rod 4, pull rod 4 passes through elastomeric element drive side-to-side motion, the preceding tip of last inner cup 1 is provided with the heat-sensitive piece 6 parallel with roller bearing 3, the bottom surface that is located inner cup 1 in one side of heat-sensitive piece 6 has the last buckling parts 7 with the mutual lock of lower buckling parts 5.

Specifically, the lower engaging portions 5 are two and are disposed on the left and right sides of the pull rod 4, the lower engaging portions 8 extending in the same direction are disposed above the lower engaging portions 5 (in this embodiment, the lower engaging portions 8 extending leftward are disposed above the lower engaging portions 5), the upper engaging portions 7 are two and are disposed on the two sides of the bottom surface of the upper inner cap 1, and the upper engaging portions 9 extending in the same direction and engaging with the lower engaging portions 8 of the lower engaging portions 5 are disposed below the upper engaging portions 7 (in this embodiment, the upper engaging portions 9 extending rightward are disposed below the upper engaging portions 7).

More specifically, the end of the upper hook 9 and the end of the lower hook 8 have smooth guide angles.

In a preferred embodiment, a bottom cover 12 is provided below the lower inner lid 2, a lid 27 is provided above the upper inner lid 1, a stopper 10 is provided on the pull rod 4, an elastic member is a spring 11, one end of the elastic member is attached to the stopper 10, a stopper plate 13 is provided on the bottom cover 12, the other end of the spring 11 abuts against the stopper plate 13, and a pusher 14 is provided on the spring 11.

By adopting the reverse-buckling sliding cover opening structure of the thermal printer provided by the embodiment of the utility model, the upper inner cover 1 with the thermal sheet 6 and the lower inner cover 2 with the roller 3 are fixedly connected in a buckling mode through the hook parts, the connection is firm, the matching of the thermal sheet assembly and the roller assembly is compact, the printing process is stable, the printing effect of the printer is ensured, when the cover is opened, the shifting piece 14 connected with the spring 11 is shifted, the spring 11 is compressed, the lower hook part 8 of the lower buckling part 5 leaves the upper hook part 9 of the upper buckling part 7, and the cover opening is realized; when the box cover is needed, the poking piece 14 connected with the spring 11 is poked, the spring 11 is compressed, when the lower hook part 8 of the lower buckling part 5 is positioned above the upper hook part 9 of the upper buckling part 7, the poking piece 14 is released, the spring 11 recovers elasticity, and the lower hook part 8 of the lower buckling part 5 is buckled into the upper hook part 9 of the upper buckling part 7, so that the cover closing is realized.

As a preferred embodiment, the upper inner lid 1 has a rotating plate 20 extending downward and rearward at a rear end thereof, the lower inner lid 2 has slots 21 formed at both rear end sides thereof, into which the rotating plate 20 is inserted, an opening 22 formed at a free end of the rotating plate 20, and protrusions 23 formed at both rear end sides of the lower inner lid 2, into which the opening 22 of the rotating plate 20 is fitted.

The preferred embodiment shows a rotary cover opening manner between the upper inner cover 1 and the lower inner cover 2 of the thermal printer.

In this embodiment, a roller gear 15 is sleeved on one side of a rotating shaft of the roller 3, the roller gear 15 is driven to rotate by a transmission mechanism, the transmission mechanism includes a motor 16, a driving gear 17 is sleeved on an end portion of an output shaft of the motor 16, the driving gear 17 is driven to rotate by the motor 16, the driving gear 17 is connected with the roller gear 15 through a reduction gear assembly, the reduction gear assembly includes a first reduction gear 18 and a second reduction gear 19, the first reduction gear 18 is engaged with the second reduction gear 19, the driving gear 17 is engaged with the first reduction gear 18, and the second reduction gear 19 is engaged with the roller gear 15.

The heat-sensitive sheet 6 is arranged on a heat-sensitive sheet bracket 24, the pressing plate 25 is arranged above the heat-sensitive sheet bracket 24, the pressure spring 26 is arranged between the heat-sensitive sheet bracket 24 and the pressing plate 25, one end of the pressure spring 26 is abutted against the heat-sensitive sheet bracket 24, and the other end of the pressure spring 26 is abutted against the pressing plate 25.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. Thermal printer back-off slides structure of uncapping, including last inner cup and lower inner cup, it is located to go up the inner cup the top of inner cup is provided with the roller bearing down on the preceding tip of inner cup, the roller bearing sets up along left right direction, its characterized in that roller bearing one side be equipped with the parallel pull rod of roller bearing, set up down buckling parts on the pull rod, the pull rod passes through elastomeric element drive side-to-side movement the preceding tip of going up the inner cup be provided with the parallel heat sensitive piece of roller bearing one side of heat sensitive piece is located the bottom surface of going up the inner cup have with the last buckling parts of the mutual lock of lower buckling parts.

2. The thermal printer flip-top sliding lid opening structure according to claim 1, wherein the lower engaging portions are two and provided on both sides of the pull rod, the lower engaging portions have upper lower hook portions extending in the same direction above the lower engaging portions, the upper engaging portions are two and provided on both sides of the bottom surface of the upper inner lid, and the upper engaging portions have lower upper hook portions extending in the same direction below the upper engaging portions for the lower hook portions of the lower engaging portions to be engaged.

3. The thermal printer flip-flop sliding cover opening structure as set forth in claim 2, wherein an end of said upper hook portion and an end of said lower hook portion have smooth guide angles.

4. A thermal printer flip-top sliding cover structure as set forth in claim 1, wherein a rotating plate extending downward and rearward is provided at a rear end portion of said upper inner cover, slots into which said rotating plate is inserted are provided at both rear end side surfaces of said lower inner cover, an opening is provided at a free end portion of said rotating plate, and protrusions into which said opening of said rotating plate is inserted are provided at both rear end side surfaces of said lower inner cover.

5. The thermal printer inverted buckle sliding cover opening structure according to claim 1, wherein a roller gear is sleeved on one side of a rotating shaft of the roller, the roller gear is driven to rotate by a transmission mechanism, the transmission mechanism comprises a motor, a driving gear is sleeved on an end portion of an output shaft of the motor, the driving gear is driven to rotate by the motor, the driving gear is connected with the roller gear through a reduction gear assembly, the reduction gear assembly comprises a first reduction gear and a second reduction gear, the first reduction gear is meshed with the second reduction gear, the driving gear is meshed with the first reduction gear, and the second reduction gear is meshed with the roller gear.

6. The thermal printer flip-flop sliding lid opening structure according to claim 1 or 2, wherein a bottom lid is provided below said lower inner lid, said pull rod has a stopper, said elastic member is a spring and one end thereof is mounted on said stopper, said bottom lid is provided with a stopper plate, the other end of said spring abuts on said stopper plate, and said spring is provided with a toggle member.

7. The thermal printer flip-flop sliding lid opening structure according to claim 1 or 2, wherein said thermal sensitive strip is mounted on a thermal sensitive strip holder, a pressing plate is disposed above said thermal sensitive strip holder, a pressing spring is mounted between said thermal sensitive strip holder and said pressing plate, one end of said pressing spring abuts against said thermal sensitive strip holder, and the other end of said pressing spring abuts against said pressing plate.