CN216001914U

CN216001914U - Printing paper will listen structure and printer to the greatest extent

Info

Publication number: CN216001914U
Application number: CN202122434719.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiamen Hanyin Electronic Technology Co Ltd
Current assignee: Xiamen Hanyin Electronic Technology Co Ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-03-11
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a beat printing paper and listen structure and printer as far as, it belongs to printer technical field, beat printing paper and listen the structure configuration as far as in the shell that is used for accomodating the printing medium, be provided with the holding chamber in the shell, the holding intracavity can be placed the printing medium just the printing medium can be carried extremely the printing module group of holding chamber downstream side, beat printing paper and will listen the structure as far as including scroll axle sleeve and second detecting element. The paper roll shaft sleeve is wound with the printing medium and is accommodated in the accommodating cavity in a freely movable mode, and the paper roll shaft sleeve comprises a first detection unit. A second detection unit configured to be mounted on the housing; the first detection unit and the second detection unit are configured to: one of which is capable of acquiring or generating a paper exhaustion signal based on the other when the spool sleeve moves to a paper exhaustion region. The utility model discloses whether can in time listen to beat printing paper and be in the state that paper will be greatest.

Description

Printing paper will listen structure and printer to the greatest extent

Technical Field

The utility model relates to a printer technical field especially relates to a beat printing paper and listen structure and printer as far as possible.

Background

The bill printer is used in many occasions, such as a receipt printer in a supermarket, an invoice printer, and a value-added tax invoice printer used by enterprises.

The paper roll is generally arranged in the shell of the bill printer, and an operator can think that the paper roll needs to be replaced after printing paper is consumed, so that printing interruption is caused. If the operator does not have a reserve roll, the printer may be rendered unusable for a short period of time.

Therefore, a printer and a detection structure for detecting the amount of printing paper are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a beat printing paper and listen structure and printer as far as possible, can in time listen whether print media is in the state that paper will be as far as to remind operating personnel in time to change or in time deposit the scroll.

As the conception, the utility model adopts the technical proposal that:

the utility model provides a beat printing paper and listen structure as far as possible, its configuration is in the shell that is used for accomodating print medium, be provided with the holding chamber in the shell, the holding intracavity can place print medium just print medium can be carried to the print module assembly of holding chamber downstream side, beat printing paper and will listen the structure as far as possible and include:

the paper roll shaft sleeve is wound with the printing medium and is accommodated in the accommodating cavity in a freely movable mode, and the paper roll shaft sleeve comprises a first detection unit; and

a second detection unit configured to be mounted on the housing;

the first detection unit and the second detection unit are configured to: one of which is capable of acquiring or generating a paper exhaustion signal based on the other when the spool sleeve moves to a paper exhaustion region.

Optionally, the paper roll sleeve includes a sleeve body and an end plate disposed at an end of the sleeve body, the end plate is provided with the first detecting unit, the sleeve body is configured to roll the print medium, and the end plate can abut against the print medium.

Optionally, the second detection unit is provided with a detection photoelectric pair, the second detection unit is configured to be mounted on a side plate of the housing, and the detection photoelectric pair can detect the first detection unit when the paper roll sleeve moves to an area where paper will be exhausted.

Optionally, a central position of the first detection unit coincides with a central axis of the sleeve body.

Optionally, an ink layer is coated on the first detection unit.

The utility model provides a printer, includes the shell, be provided with the holding chamber in the shell, the holding intracavity can be placed print medium just print medium can be carried to the print module of holding chamber downstream side, the printer still includes that foretell beat printing paper will listen the structure as far as possible, and the scroll axle sleeve rolling has print medium just accomodate with the mode that can freely remove in the holding intracavity, second detecting element install in on the shell.

Optionally, the second detection unit is mounted with a detection photoelectric pair.

Optionally, the second detecting unit is mounted on a side plate of the housing, a second detecting unit mounting groove is formed in the outer side surface of the side plate, a detecting hole communicated with the accommodating cavity is formed in the bottom surface of the second detecting unit mounting groove, the second detecting unit is mounted in the second detecting unit mounting groove, and the detecting photoelectric pair is located in the detecting hole.

Optionally, a clamping groove is formed in the second detection unit, and a clamping column which can be clamped with the clamping groove is arranged in the second detection unit installation groove.

Optionally, the center of the detection photoelectric pair is located on a changing curved surface of the axis of the paper roll sleeve.

The utility model provides a beat printing paper and listen structure and printer as far as, the scroll axle sleeve moves when the paper will be regional as far as, and one of the first detecting element and the second detecting element two can acquire or produce paper and signal as far as possible based on another when the scroll axle sleeve moves to paper will be regional as far as possible to can indicate operator's paper will be as far as possible, and the time deposit perhaps changes the scroll.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention 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 for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

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

fig. 2 is a schematic diagram of the printer according to the embodiment of the present invention after the second detection unit is hidden;

fig. 3 is an enlarged view at a in fig. 2;

fig. 4 is a schematic structural view of a paper roll sleeve according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second detection unit provided in the embodiment of the present invention;

fig. 6 is a schematic view of a printer according to an embodiment of the present invention with a housing hidden and with a sufficient paper roll remaining amount;

fig. 7 is a schematic diagram of the printer according to the embodiment of the present invention when the outer shell is hidden and the paper roll sleeve moves to the area where the paper will be used up.

In the figure:

1. a housing; 11. a paper outlet; 12. a front panel; 13. a side plate; 131. a second detection unit mounting groove; 1311. detecting the hole; 1312. a clamping column;

2. paper roll;

31. a paper roll sleeve; 311. a sleeve shaft body; 312. an end plate; 3121. a first detection unit;

32. a second detection unit; 321. a clamping groove; 33. detecting a photoelectric pair;

4. a base.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, the present embodiment provides a printer capable of detecting whether a printing medium is about to be used up, to remind an operator of timely stock or timely replacement of a paper roll 2.

In particular, the printer is a ticket printer.

Referring to fig. 1, in the embodiment, the printer includes a housing 1, and an accommodating chamber is provided in the housing 1, and a printing medium can be placed in the accommodating chamber and can be conveyed to a printing module on the downstream side of the accommodating chamber.

Specifically, in the present embodiment, the printing medium is printing paper. Printing paper used for printing can be placed in the containing cavity, a paper outlet 11 communicated with the containing cavity is formed in the front panel 12 of the shell 1, and the printing paper comes out from the paper outlet 11 during printing.

In order to detect whether the printing medium is in a paper-out state, the printer further includes a paper-out detection structure.

Referring to fig. 1 to 6, in particular, the printing paper detecting structure includes a paper roll sleeve 31 and a second detecting unit 32.

The paper roll sleeve 31 is wound with a printing medium and is accommodated in the accommodating cavity in a freely movable manner, and the paper roll sleeve 31 comprises a first detection unit 3121; the second detection unit 32 is configured to be mounted on the housing 1; the first detection unit 3121 and the second detection unit 32 are configured to: one of the two can acquire or generate a paper exhaustion signal based on the other when the reel sleeve 31 moves to the paper exhaustion region. Further, in the present embodiment, the paper roll sleeve 31 includes a sleeve body 311 and an end plate 312 disposed at an end of the sleeve body 311, the end plate 312 is provided with a first detecting unit 3121, and the sleeve body 311 is configured to roll up the printing medium; specifically, the printing medium is wound on the sleeve shaft body 311 to form the paper roll 2. The head plate 312 can abut against an end surface of the roll 2 of print medium.

The second detecting unit 32 is mounted with a detecting photoelectric pair 33, the second detecting unit 32 is configured to be mounted on the side plate 13 of the housing 1, and the detecting photoelectric pair 33 can detect the first detecting unit 3121 when the paper roll sleeve 31 moves to the paper-out area.

When the paper roll sleeve 31 moves to the paper exhaustion area, the detection photoelectric pair 33 can detect the first detection unit 3121, so as to prompt the operator that the paper exhaustion is reached.

It should be noted that, the first detecting unit 3121 and the second detecting unit 32 can be selected by those skilled in the art according to the needs, for example, the second detecting unit 32 includes a detection photoelectric pair 33, an ink layer for detection is coated on the first detecting unit 3121, and the detection level of the detection photoelectric pair 33 is determined whether the first detecting unit 3121 is detected when the paper is used as full. In particular, how the detection photoelectric pair 33 realizes the detection of the first detection unit 3121 is well known in the art, and will not be described in detail herein. Preferably, a dark ink is coated on the first detection unit 3121 to form an ink layer.

Specifically, in the printer, the paper roll sleeve 31 is wound with the printing medium and is accommodated in the accommodating chamber in a freely movable manner, and the second detection unit 32 is mounted on the housing 1.

The sleeve shaft body 311 is sleeved with a center hole of the paper roll 2, the end plate 312 is abutted to the end face of the paper roll 2, the second detection unit 32 is mounted on the side plate 13 of the housing 1, and when the paper roll sleeve 31 moves to an area where paper will be exhausted, the detection photoelectric pair 33 can detect the first detection unit 3121. The end plate 312 abuts against the end face of the paper roll 2, that is, in this embodiment, the diameter of the end plate 312 is larger than that of the sleeve body 311, so as to ensure that the relative position between the paper roll 2 and the paper roll sleeve 31 is stable.

Preferably, the center position of the first detecting unit 3121 coincides with the central axis of the sleeve body 311, so as to ensure the accuracy of detection.

Preferably, in this embodiment, the printer further includes a base 4, the base 4 is disposed at the lower opening of the accommodating chamber, and the paper roll 2 is disposed on the base 4.

Referring to fig. 7, the upper surface of the base 4 is a circular arc surface attached to the side surface of the paper roll 2, so that the paper roll 2 can move stably. Specifically, as the printing paper of the paper roll 2 is consumed, the movement of the paper roll 2 includes a downward shift of the center of gravity under its own weight, and an advance in a direction close to the paper discharge port 11. The simultaneous movement in the two directions makes the moving track of the paper roll 2 a curved surface in space, that is, the moving track of the center position of the first detecting unit 3121 is a curved line.

In order to enable the detection photoelectric pair 33 to detect the first detection unit 3121, it is preferable that the center of the detection photoelectric pair 33 is located on the changing curved surface of the axis of the spool sleeve 31, that is, the center of the detection photoelectric pair 33 is located on the moving locus of the center position of the first detection unit 3121. The designer judges the position of the paper-out-of-area according to the moving track of the center position of the first detection unit 3121, so that the installation position of the second detection unit 32 is set, and it is ensured that when the paper roll sleeve 31 moves to the paper-out-of-area, the detection photoelectric pair 33 can detect the first detection unit 3121, so that the operator can be prompted to take out the paper.

Specifically, in the present embodiment, the second detecting unit 32 is detachably mounted on the side plate 13, so as to repair or replace the detecting photo pair 33.

Referring to fig. 3 and 5, in the embodiment, the outer side surface of the side plate 13 is provided with a second detecting unit mounting groove 131, the bottom surface of the second detecting unit mounting groove 131 is provided with a detecting hole 1311 communicated with the accommodating cavity, the second detecting unit 32 is mounted in the second detecting unit mounting groove 131, and the detecting photoelectric pair 33 is located in the detecting hole 1311. Specifically, the center of the detection hole 1311 is disposed on the changing curved surface of the axis of the spool sleeve 31, so that the center of the detection photoelectric pair 33 is disposed on the changing curved surface of the axis of the spool sleeve 31.

Specifically, the second detecting unit 32 is provided with a clamping groove 321, and the second detecting unit mounting groove 131 is provided with a clamping column 1312 capable of being clamped with the clamping groove 321.

Preferably, two opposite ends of the second detecting unit 32 are provided with a clamping groove 321, two clamping columns 1312 are arranged in the second detecting unit mounting groove 131, and the clamping grooves 321 and the clamping columns 1312 are arranged in a one-to-one correspondence manner.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a beat printing paper and listen structure as far as possible, its configuration is in shell (1) that is used for accomodating print medium, be provided with the holding chamber in shell (1), the holding intracavity can place print medium just print medium can be carried to the print module assembly of holding chamber downstream side, its characterized in that beat printing paper and listen the structure as far as possible and include:

a paper roll sleeve (31) which is wound with the printing medium and is accommodated in the accommodating cavity in a freely movable manner, wherein the paper roll sleeve (31) comprises a first detection unit (3121); and

a second detection unit (32) configured to be mounted on the housing (1);

the first detection unit (3121) and the second detection unit (32) are configured to: one of the two is able to acquire or generate a paper exhaustion signal based on the other when the reel sleeve (31) moves to a paper exhaustion region.

2. The printer paper burnout detection structure of claim 1, wherein the paper-roll sleeve (31) includes a sleeve body (311) and an end plate (312) disposed at an end of the sleeve body (311), the end plate (312) is disposed with the first detection unit (3121), the sleeve body (311) is configured to roll the print medium, and the end plate (312) is capable of abutting against the print medium.

3. The printing paper exhaustion detecting structure according to claim 2, wherein the second detecting unit (32) has a detecting photoelectric pair (33) mounted thereon, the second detecting unit (32) is configured to be mounted on a side plate (13) of the housing (1), and the detecting photoelectric pair (33) can detect the first detecting unit (3121) when the paper spool (31) moves to a paper exhaustion area.

4. The printing paper exhaustion detecting structure of claim 2, wherein a center position of the first detecting unit (3121) coincides with a central axis of the sleeve shaft body (311).

5. The printing paper exhaustion detecting structure of claim 1, wherein the first detecting unit (3121) is coated with an ink layer.

6. A printer comprising a housing (1), a housing chamber is provided in the housing (1), a printing module is provided in the housing chamber, the printing module can be used for placing a printing medium in the housing chamber, and the printing medium can be conveyed to the downstream side of the housing chamber, the printer further comprises a paper-to-be-printed detection structure according to any one of claims 1 to 5, a paper roll sleeve (31) is wound with the printing medium and is accommodated in the housing chamber in a freely movable manner, and a second detection unit (32) is installed on the housing (1).

7. Printer according to claim 6 characterized in that said second detection unit (32) has a detection photoelectric pair (33) mounted thereon.

8. The printer according to claim 7, wherein the second detection unit (32) is mounted to a side plate (13) of the housing (1), an outer side surface of the side plate (13) is provided with a second detection unit mounting groove (131), a bottom surface of the second detection unit mounting groove (131) is provided with a detection hole (1311) communicating with the receiving chamber, the second detection unit (32) is mounted in the second detection unit mounting groove (131) and the detection photoelectric pair (33) is located in the detection hole (1311).

9. The printer according to claim 8, wherein a clamping groove (321) is provided on the second detecting unit (32), and a clamping column (1312) capable of clamping with the clamping groove (321) is provided in the second detecting unit mounting groove (131).

10. Printer according to anyone of claims 7-9 characterised in that the centre of said pair of detection lights (33) is located on the varying curve of the axis of said spool (31).