CN214137924U

CN214137924U - Printer with easily-installed printing head

Info

Publication number: CN214137924U
Application number: CN202022920567.4U
Authority: CN
Inventors: 杨纪端; 刘丹
Original assignee: Zhuhai Xinye Electronic Technology Co Ltd
Current assignee: Zhuhai Xinye Electronic Technology Co Ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-07
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to a printer technical field discloses a beat printer of printer head easy installation, including the center, the left part of center is equipped with the appearance chamber of lower extreme fretwork, be equipped with in the appearance chamber and beat printer head, the center is equipped with first installation department, one side in appearance chamber is located to first installation department, it is equipped with the second installation department to beat printer head correspondence, first installation department is connected with the second installation department. The chamber lower extreme fretwork in this printer, beat printer head from up arranging in the chamber down, the second installation department that is used for connecting the center directly sets up on the printer head moreover, has just saved backing plate or protecgulum among the current structure, saves the material cost, correspondingly can open a mould less during the preparation, reduce manufacturing cost, install a part less during the installation, directly with the first installation department of center with beat printer head the second installation department be connected can, the assembly is more simple and convenient, save the assemble duration, save the cost of labor.

Description

Printer with easily-installed printing head

Technical Field

The utility model relates to a thermal printer technical field especially relates to a beat printer of printer head easy installation.

Background

The print head, which is one of the core components of the thermal printer, is generally fixed to the center frame. To facilitate assembly and removal of the printhead and to cover the exposed portion of the printhead, the printhead typically employs the following two mounting arrangements. As shown in fig. 1, in the first type, a cavity B recessed from top to bottom is designed inside a middle frame a, a printing head C is installed in the cavity, the lower end of the cavity B is sealed, the upper end of the cavity B is hollow, and an additional component, generally referred to as a front cover D, is installed above the cavity B. As shown in fig. 2, in the second type, the upper portion of the middle frame a is in an integrated sealing state, a cavity which is concave from bottom to top is designed inside the middle frame a, the lower end of the cavity is hollow, an additional component, generally called a backing plate E, is installed below the cavity, and the printing head C is locked at the upper end of the backing plate, so that the printing head C is located in the cavity. In both of these two ways, the paper bin cover G is used to cover the paper bin H, and in both of these two ways, when assembling the print head, it is necessary to assemble both the print head and that additional component, and the assembly steps are complicated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiencies of the prior art, the utility model provides a beat printer of printer head easy installation, its one side has been solved and has been beaten printer head assembly step more loaded down with trivial details problem.

The utility model provides a technical scheme that its technical problem adopted does:

the utility model provides a printer of printer head easy installation, includes the center, the left part of center is equipped with the appearance chamber of lower extreme fretwork, it beats printer head to be equipped with in the appearance chamber, the center is equipped with first installation department, one side in appearance chamber is located to first installation department, it is equipped with the second installation department to beat printer head correspondence, first installation department is connected with the second installation department.

As an improvement of the technical scheme, a paper bin is arranged at the right part of the middle frame, the right end of the accommodating cavity is communicated with the paper bin, the first installation part is arranged on the left side wall of the paper bin, and the first installation part is located on the right side inside the accommodating cavity.

As an improvement of the technical scheme, the first installation part comprises a positioning column arranged on one side of the accommodating cavity, the positioning column is provided with a threaded blind hole with an opening at the lower end, the second installation part comprises an installation hole arranged on the printing head, and the first installation part and the second installation part are connected in a mode that the installation hole and the threaded blind hole are locked in through screws.

As the improvement of the technical scheme, the first installation part further comprises an ear plate connected with the middle frame, and the positioning column is arranged at the left end of the ear plate.

As the improvement of the technical scheme, the second installation part further comprises a positioning groove arranged on the printing head, the installation hole is formed in the bottom wall of the positioning groove, and the positioning column is located in the positioning groove.

As an improvement of the technical scheme, the upper end and the right end of the positioning groove are hollowed out, the left side wall of the positioning groove is an arc-shaped wall, and the positioning column is a cylinder.

As an improvement of the technical scheme, a paper bin cover is arranged at the upper end of the middle frame, the right end of the paper bin cover is hinged with the right part of the middle frame, the upper end of the left part of the accommodating cavity is sealed, when the paper bin cover covers the upper end of the middle frame, and the paper bin cover covers the upper ends of the paper bin and the right part of the accommodating cavity.

As an improvement of the technical scheme, the inner side wall of the accommodating cavity is provided with at least one limiting rib, the limiting rib is used for limiting the printing head, and the printing head is in contact with the limiting rib.

As an improvement of the technical scheme, the limiting ribs are vertically arranged on the left side wall and the front side wall of the accommodating cavity, and the limiting ribs are arranged on the upper side wall of the accommodating cavity in a downward convex mode.

As an improvement of the technical scheme, the printing head comprises a supporting frame, the second installation part is arranged on the lower portion of the right end of the supporting frame, a rubber roller is arranged on the upper portion of the right end of the supporting frame, a motor is arranged at the bottom end of the supporting frame and connected with the rubber roller, and a thermosensitive plate is arranged at the left end of the supporting frame.

The utility model discloses wherein the beneficial effect of one side has:

according to the aspect of the disclosure, the cavity lower extreme fretwork in this printer, beat printer head from up arranging in the appearance chamber down, the second installation department that is used for connecting the center directly sets up on the printer head in addition, just saved backing plate or protecgulum among the current structure, save the material cost, correspondingly can open a mould less during the preparation, reduce manufacturing cost, install a part less during the installation, directly with the first installation department of center with beat printer head the second installation department connect can, the assembly is more simple and convenient, save the assemble duration, save the cost of labor.

Drawings

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:

FIG. 1 is a perspective view of a first prior art mounting arrangement;

FIG. 2 is a perspective view of a second prior art mounting structure;

fig. 3 is a schematic perspective view of one embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure diagram of one embodiment of the present invention.

Detailed Description

Referring to fig. 3, the utility model discloses a printer of printer head easy installation, including center 1, the left part of center 1 is equipped with the appearance chamber 2 of lower extreme fretwork, it beats printer head 3 to be equipped with in appearance chamber 2, center 1 is equipped with portion 4, one side that holds chamber 2 is located to first installation department 4, it is equipped with second installation department 31 to beat printer head 3 correspondence, first installation department 4 is connected with second installation department 31.

Specifically, 2 lower extreme fretworks are held in the appearance chamber in this printer, beat printer head 3 and from up arranging in holding the chamber 2 down, and the second installation department 31 that is used for connecting center 1 directly sets up on beating printer head 3, just backing plate or protecgulum in the current structure have been saved, save the material cost, correspondingly can open a mould less during the preparation, reduce manufacturing cost, install a part less during the installation, directly with center 1's first installation department 4 with beat printer head 3 second installation department 31 be connected can, the assembly is more simple and convenient, save the assemble duration, save the cost of labor.

Further, the right part of center 1 is equipped with paper storehouse 11, the right-hand member that holds 2 of chambeies and paper storehouse 11 intercommunication, the left side wall of paper storehouse 11 is located to first installation department 4, just first installation department 4 is located the inside right side of holding 2 of chambeies. The first mounting portion 4 extends from the left side wall of the paper bin 11, and the paper bin 11 which is originally provided is used as a support of the first mounting portion 4, so that the structure is simple.

Referring to fig. 4, in this embodiment, the structure of the first installation portion 4 and the second installation portion 31 matching each other specifically is that the first installation portion 4 includes a positioning column 41 disposed on the left side wall of the paper bin 11, the positioning column 41 is provided with a threaded blind hole 42 with an open lower end, the second installation portion 31 includes an installation hole 32 disposed on the print head 3, and the first installation portion 4 and the second installation portion 31 are connected by locking the screw into the installation hole 32 and the threaded blind hole 42. The locking is firm, and the installation is convenient.

Furthermore, the first mounting portion 4 further includes an ear plate 43 connected to the left side wall of the paper compartment 11, and the positioning column 41 is disposed at the left end of the ear plate 43. The second installation portion 31 further includes a positioning groove 33 disposed on the printing head 3, the installation hole 32 is opened on the bottom wall of the positioning groove 33, the ear plate 43 is clamped on the positioning groove 33, and the positioning column 41 is located in the positioning groove 33. The design of the positioning slot 33 and the ear plate 43 facilitates the accurate alignment of the first installation part 4 and the second installation part 31, and the installation time is saved.

Specifically, the upper end and the right end of positioning groove 33 are hollowed out, the left side wall of positioning groove 33 is a circular arc-shaped wall, and positioning column 41 is a cylinder.

In addition, the upper end of center 1 is equipped with the paper storehouse lid, the right-hand member of paper storehouse lid is articulated with the right part of center 1, the upper end that holds 2 left parts is sealed, works as the paper storehouse lid closes the upper end at center 1, the paper storehouse lid covers paper storehouse 11 and holds the upper end of 2 right parts of chamber. The part of the front cover which is designed for covering the printing head 3 at the upper end of the existing accommodating cavity 2 is omitted, the design is simplified, and the cost is saved.

Further, the inside wall of the cavity 2 is provided with at least one limiting rib 21, the limiting rib 21 is used for limiting the printing head 3, and the printing head 3 is in contact with the limiting rib 21. When mounted, the printhead 3 can be smoothly assembled in place along the limiting ribs 21.

Specifically, the left side wall and the front side wall of the accommodating cavity 2 are both vertically provided with the limiting ribs 21, the limiting ribs 21 at the positions also have a guiding effect, and the upper side wall of the accommodating cavity 2 is provided with the limiting ribs 21 in a downward convex manner.

Moreover, the printing head 3 comprises a support frame 34, a cross beam 37 is arranged on the lower portion of the right end of the support frame 34, the positioning groove 33 is arranged on the cross beam 37, a rubber roller is arranged on the upper portion of the right end of the support frame 34, a motor 35 is arranged at the bottom end of the support frame 34, the motor 35 is connected with the rubber roller, and a heat-sensitive sheet 36 is installed at the left end of the support frame 34. The motor is arranged at the bottom of the support frame 34 and hidden inside the middle frame 1, so that additional space of other places is not occupied, and the internal space of the middle frame 1 is large, thereby being beneficial to heat dissipation.

It is noted that the terms first, second, third, etc. are used herein to describe various components or features, but these components or features are not limited by these terms. These terms are only used to distinguish one element or part from another element or part. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. For convenience of description, spatially relative terms such as "inner", "outer", "upper", "lower", "left", "right", "upper", "left", "right", and the like are used herein to describe the orientation relation of the components or parts in the present embodiment, but these spatially relative terms do not limit the orientation of the technical features in practical use.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims

1. A printer with an easily installed printing head is characterized in that: including center (1), the left part of center (1) is equipped with appearance chamber (2) of lower extreme fretwork, be equipped with in holding chamber (2) and beat printer head (3), center (1) is equipped with first installation department (4), one side that holds chamber (2) is located in first installation department (4), it is equipped with second installation department (31) to beat printer head (3) correspondence, first installation department (4) are connected with second installation department (31).

2. A printer with a readily installable printhead according to claim 1, wherein: the right part of center (1) is equipped with paper storehouse (11), the right-hand member and the paper storehouse (11) intercommunication that hold chamber (2), the left side wall in paper storehouse (11) is located in first installation department (4), just first installation department (4) are located the inside right side in appearance chamber (2).

3. A printer with a print head easy to mount according to claim 1 or 2, wherein: first installation department (4) are including locating reference column (41) that holds chamber (2) one side, lower extreme open-ended screw thread blind hole (42) have been seted up in reference column (41), second installation department (31) are including locating mounting hole (32) that beat printer head (3), first installation department (4) are connected through the mode that mounting hole (32) and screw thread blind hole (42) were locked into to screw with second installation department (31).

4. A printer with a readily installable printhead according to claim 3, wherein: first installation department (4) still include otic placode (43) of being connected with center (1), the left end of otic placode (43) is located in reference column (41).

5. A printer with a readily installable printhead according to claim 3, wherein: the second installation part (31) further comprises a positioning groove (33) arranged on the printing head (3), the bottom wall of the positioning groove (33) is opened in the installation hole (32), and the positioning column (41) is located in the positioning groove (33).

6. A printer with a readily installable printhead according to claim 5, wherein: the upper end and the right end of the positioning groove (33) are hollow, the left side wall of the positioning groove (33) is a circular arc-shaped wall, and the positioning column (41) is a cylinder.

7. A printer with a readily installable printhead according to claim 2, wherein: the upper end of center (1) is equipped with the paper storehouse lid, the right-hand member of paper storehouse lid is articulated with the right part of center (1), it is sealed to hold the upper end of appearance chamber (2) left part, works as the upper end at center (1) is closed to the paper storehouse lid, the paper storehouse lid covers paper storehouse (11) and holds the upper end of appearance chamber (2) right part.

8. A printer with a print head easy to mount according to claim 1 or 2, wherein: the utility model discloses a printer, including appearance chamber (2), the inside wall that holds chamber (2) is equipped with at least one spacing muscle (21), spacing muscle (21) are used for spacing to printer head (3), printer head (3) and spacing muscle (21) contact.

9. A printhead mountable printer according to claim 8, wherein: the left side wall and the front side wall of the accommodating cavity (2) are both vertically provided with the limiting ribs (21), and the upper side wall of the accommodating cavity (2) is provided with the limiting ribs (21) in a downward convex manner.

10. A printer with a readily installable printhead according to claim 1, wherein: it includes support frame (34) to beat printer head (3), the right-hand member lower part of support frame (34) is located in second installation department (31), the right-hand member upper portion of support frame (34) is equipped with the rubber roll, the bottom of support frame (34) is equipped with motor (35), motor (35) are connected with the rubber roll, heat-sensitive piece (36) are installed to the left end of support frame (34).