CN219505684U

CN219505684U - Printer with compact structure

Info

Publication number: CN219505684U
Application number: CN202320127259.7U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Xiamen Hanyin Electronic Technology Co Ltd
Current assignee: Xiamen Hanyin Electronic Technology Co Ltd
Priority date: 2022-02-14
Filing date: 2023-01-17
Publication date: 2023-08-11
Anticipated expiration: 2033-01-17
Also published as: CN219191692U; CN116373474A

Abstract

The utility model relates to the field of portable printing devices, in particular to a printer with a compact structure, which comprises a shell and a core assembly, wherein the core assembly comprises a hob unit, and the printer further comprises: a support detachably assembled within the housing, the support including a first portion and a second portion; wherein the first portion is configured to receive a movement assembly; wherein the second portion is configured to receive a roll of recording paper; the second portion is disposed below the first portion and has an inwardly recessed paper pocket. The printer has the advantage that a user can quickly assemble and disassemble the movement assembly and/or the rolled recording paper without being limited by a narrow space in the shell.

Description

Printer with compact structure

Technical Field

The utility model relates to the field of portable printing devices, in particular to a printer with a compact structure.

Background

A thermal printer is known that performs printing by pressing a thermal head against thermal paper. Such printers are widely used for printing various labels, receipts, tickets, and the like, because characters and graphics can be printed without using toner, ink, and the like. The existing thermal printer generally comprises a shell, a paper bin, a core module and other structures, wherein the paper bin and the core module are arranged in the shell, the paper bin is used for installing coiled recording paper, the core module controls and coordinates the whole printer to perform printing work, the core module generally comprises a rubber roller assembly, a thermal printing head, a cutting device and the like, the rubber roller assembly and the thermal printing head are mutually matched to print paper passing through a channel between the rubber roller assembly and the thermal printing head, and the cutting device is used for cutting paper output from a paper outlet. The existing thermal printer has the defects that the movement module or the paper bin is separately arranged in the shell, and the accommodating space of the shell is limited, so that the movement module or the recording paper roll is inconvenient to install.

For example, applicant has proposed chinese patent publication No. CN211710381U, publication No. 2020-10-20, which discloses a thermal printer that is convenient to assemble, and specifically discloses that the thermal printer includes: the printing device comprises a shell, a paper bin cover and a printing component, wherein the shell is internally provided with the paper bin, the fixed end of the paper bin cover is hinged with the shell, the printing component comprises a heat-sensitive sheet and a rubber roller, the rubber roller is rotatably arranged on the free end of the paper bin cover around an axis of the rubber roller, two ends of the heat-sensitive sheet are respectively provided with a clamping block, the shell is provided with a mounting position, two ends of the mounting position are respectively provided with a clamping groove, the heat-sensitive sheet passes through the mounting position, and one clamping block is clamped in one clamping groove along the paper feeding direction of the heat-sensitive printer, a through hole is formed in the upstream end of the rubber roller, a photoelectric sensor is arranged on the mounting part, and the sensing end of the photoelectric sensor is positioned in the through hole. Although the quick assembly disassembly to the thermal sensitive plate can be realized to above-mentioned technical scheme, but because the core in this thermal printer is split type setting, and the accommodation volume in the current portable printer casing is limited, and the user is when installing the module such as core module and/or paper storehouse device in the casing, need operate in narrow and small space, consequently is comparatively troublesome to the holistic change or the equipment of core module and paper storehouse spare part, also is inconvenient for follow-up maintenance and maintenance.

In view of this, there is a need for a thermal printer with a core module and a paper bin device capable of being assembled and disassembled integrally and quickly, and the thermal printer can integrate and integrate the printing module at the same time, so as to facilitate the subsequent overhaul and maintenance of users.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a printer with compact structure, which has the advantages of rapid assembly of a core module and replacement of a printing medium.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a compact printer comprising a housing and a cartridge assembly, the cartridge assembly including a hob unit, the printer further comprising: a support detachably assembled within the housing, the support including a first portion and a second portion; wherein the first portion is configured to receive a movement assembly; wherein the second portion is configured to receive a roll of recording paper; the second portion is disposed below the first portion and has an inwardly recessed paper pocket.

In order to optimize the technical scheme, the following technical measures are also adopted:

further, the first portion has a mounting cavity for receiving the deck assembly.

Further, the paper bin is arranged at intervals with the installation cavity.

Further, the installation cavity is arranged above the paper bin, and the installation cavity is arranged in a penetrating mode front and back.

Further, mounting wing parts are arranged on the left side and the right side of the paper bin, and the mounting wing parts are fixedly connected to the shell.

Further, a positioning part is arranged at the outer edge of the installation wing part, and the positioning part and the installation wing part are mutually perpendicular.

Further, the first portion has an opening through which the hob is exposed.

Further, the support frame is provided with a clamping part for clamping the movement assembly.

Further, the top of the support frame is provided with a movement positioning part for fixing the movement assembly, and the movement positioning part is provided with an opening for a fastener to pass through.

Further, the shell is provided with a mounting opening for taking out the movement assembly, the side walls of the shell, which are positioned on the left side and the right side of the mounting opening, are provided with buttons, and the buttons are arranged as rubber roller units for releasing the movement assembly.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

according to the utility model, the supporting frame detachably connected with the shell is arranged, the movement assembly comprising the hob unit is arranged on the first part of the supporting frame, the rolled recording paper is arranged on the second part of the supporting frame, and the second part is provided with the paper bin which is concave inwards. Compared with the scheme that the movement is split type in the prior art, the scheme is that the movement assembly and the paper bin are integrated on the supporting frame, and the supporting frame can be detached from the shell, so that a user is not limited by a narrow space in the shell, the disassembly and assembly of the movement assembly and/or the printing medium can be rapidly completed, the operation convenience and the assembly efficiency are improved, the printer structure is more compact, and the printer is more convenient to carry.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present utility model and are not limiting of the present utility model.

Fig. 1 is a schematic overall structure of the first embodiment.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a structural view of a printing module according to a first embodiment.

Fig. 4 is a second structural view of the printing module according to the first embodiment.

Fig. 5 is an exploded view of a printing module according to the first embodiment.

Fig. 6 is a cross-sectional view of a printing module according to the first embodiment.

Fig. 7 is an assembled view of the hob and the setting blade unit in the first embodiment.

Fig. 8 is an assembled view of the rubber roll unit in the first embodiment.

Reference numerals:

1. a housing; 11. a lower housing; 12. a front cover; 13. an upper cover; 14. a mounting port; 2. a printing module; 3. a support frame; 31. a paper bin; 311. mounting the wing part; 312. a positioning part; 32. a mounting cavity; 321. a limiting block; 322. a fastening part; 33. a movement positioning part; 331. opening holes; 4. a movement assembly; 41. a hob unit; 42. a driving unit; 43. a rubber roller unit; 5. a button; a recording paper R in roll form.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Unless defined otherwise, technical or scientific terms used in this patent document should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "far", "near", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object being described is changed, merely to facilitate description of the utility model and simplify description, and do not indicate or imply that the apparatus or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.

Embodiment one:

the printer solves the problem that the assembly and disassembly are difficult due to the fact that the installation of the core assembly and the paper bin device are scattered in the prior art, and achieves integration and miniaturization of the printer module.

The technical scheme in the embodiment of the utility model aims to solve the problem of difficult disassembly and assembly of the movement assembly and the paper bin device, and the overall thought is as follows:

through adopting the support frame 3 with the detachable connection of casing 1, install the core subassembly 4 that contains hob unit on the first portion of support frame 3, install the recording paper R of roll form on the second portion of support frame 3 to with core subassembly 4 and paper storehouse 31 all integrate on support frame 3, but support frame 3 is detachable again from casing 1, consequently the user need not to be limited in the narrow and small space in the casing 1, can accomplish the dismouting to core subassembly 4 and/or recording paper fast, has improved simple operation and packaging efficiency.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 2, a compact printer is provided in this embodiment, which is suitable for printing logistics labels, tickets or bar codes, etc. In this embodiment, the printer adopts a thermal print head, which has advantages of high printing speed and low noise. As a modification, the printer may be a dot matrix type printhead, a laser printhead, or the like, and the present embodiment is not limited thereto.

In the present embodiment, the above-described compact printer includes the casing 1, the cradle 3, and the deck assembly 4, the deck assembly 4 including the hob unit 41, wherein the cradle 3 is detachably assembled in the casing 1, and the cradle 3 includes a first portion configured to be adapted to receive the deck assembly 4 and a second portion configured to be adapted to receive the roll-shaped recording paper R.

As shown in fig. 1 to 2, the case 1 includes a lower case 11, and a front cover 12 and an upper cover 13 which are covered on the lower case 11, wherein an inside of the lower case 11 has an assembling chamber for assembling and positioning the movement assembly 4, an outside of the lower case 11 includes a grip end portion which is convenient for a user to grip and a mounting end portion adjacent to the grip end portion, wherein the grip end portion is constructed to be much smaller in diameter than the mounting end portion, a mounting opening 14 for mounting the components of the support frame 3, the movement assembly 4, and the like is provided on the mounting end portion, and the front cover 12 is covered on the mounting opening 14. Preferably, the upper portion of the lower housing 11 has an upper opening portion, and the upper cover 13 is covered on the upper opening portion to facilitate the inspection and maintenance of the inside of the printer, and as a modification, the upper cover 13 may be integrally coupled to the lower housing 11. In this embodiment, the lower portion of the front cover 12 is pivotally connected to the support frame 3 by a pivot so that the front cover 12 can open or close the mounting opening 14 in a rotatable manner. The interior of the front cover 12, i.e. the side facing the assembly chamber, is connected to the movement assembly 4 by means of fasteners to define the movement assembly 4 within the mounting cavity 32. The upper cover 13 is detachably coupled to the lower case 11, and four corners of the upper cover 13 are fixed to the lower case 11 by a screw so that the upper cover 13 can open or close the upper opening, thereby facilitating maintenance of the assembly chamber or cleaning of a jam. Of course, the front or rear part of the upper cover 13 may be pivotally connected to the lower housing 11, but the present embodiment is not limited thereto, and the corresponding part of the upper cover 13 needs to be removed from the installation of mechanical screws.

The support frame 3 may be detachably assembled in the housing 1, for example, connected in the lower housing 11 by a snap connection, or may be connected in the lower housing 11 by screw fastening or the like. As a modification, it is needless to say that the lower case 11 may be connected by a non-detachable means such as welding, caulking, or the like, and the detachable means has an advantage of being relatively convenient in both detachment and installation, and thus becomes a preferable means of the present embodiment. The second part on the support frame 3 forms a paper bin 31 for placing the rolled recording paper R, and of course, the rolled recording paper can be replaced by other rolled printing media such as printing films, etc., the paper bin 31 is arranged in a backward concave manner in the front-back direction, i.e. towards the direction in the shell 1, and the first part on the support frame 3 forms a mounting cavity 32 for mounting the movement assembly 4, so that the arrangement is that the paper bin 31 and the modularized movement assembly 4 are integrated on one support frame 3, so that the structure of the printing module is more compact, and the rapid disassembly and assembly or replacement of the movement assembly 4 and the rolled recording paper can be realized. At the same time, space is saved in the assembly chamber of the lower housing 11, which space can be used for example for mounting high-power cut-off motors. It should be noted that, the first portion is located above the second portion, that is, the paper bin 31 is located below and the deck assembly 4 is located above, the deck assembly 4 is provided with a paper feeding path communicating with the paper bin 31, and the front cover 12 is provided with an output port for outputting recording paper. At the time of printing, the free end of the rolled recording paper enters the space between the thermal head and the platen roller from the paper feed path to complete printing, and is cut by the paper cutting mechanism at the time of output via the output port to output the required printing paper and separate the printing paper from the rolled recording paper R.

When the movement assembly 4 is assembled to the printer, the front cover 12 on the lower housing 11 may be opened first, so that the mounting opening 14 is exposed, the movement assembly 4 is integrally embedded in the mounting cavity 32 of the support frame 3, and the roll paper recording paper R is mounted in the paper bin 31 of the support frame 3, and then the movement assembly 4, the roll paper recording paper R and the support frame 3 are integrally mounted in the lower housing 11 through the mounting opening 14 and cover the front cover 12, so that the mounting process of the whole printing module 2 can be completed.

In this embodiment, the support bracket 3 is provided with a mounting cavity 32 for receiving the movement assembly 4. As shown in fig. 3 to 5, the mounting chamber 32 is formed by a bottom wall, a top wall, and left and right side walls, wherein the bottom wall is substantially flat and smooth, and the bottom wall is provided with a stopper 321 for restricting the position of the movement assembly 4, and the movement assembly 4 is slid along the bottom wall in the front-rear direction when the movement assembly 4 is mounted to the support frame 3, and is mounted in place when the movement assembly 4 abuts against the stopper 321. One of the left and right side walls of the support frame 3 is provided with a fastening portion 322 for fastening the movement assembly 4, in this embodiment, the fastening portion 322 is formed on the right side wall of the mounting cavity 32, the frame of the movement assembly 4 is provided with a fastening hole matched with the fastening portion 322, and the side portion of the movement assembly 4 can be limited in the mounting cavity 32 by means of the fastening structure, so that the movement assembly 4 is prevented from being separated from the mounting cavity 32. The movement assembly 4 may also be positioned on the support frame 3 by fasteners, for example by screws, to the mounting cavity 32 to fully lock the movement assembly 4. For example, as shown in fig. 3 or 4, the top wall of the mounting cavity 32 is provided with a movement positioning portion 33 for positioning the movement assembly 4, the movement positioning portion 33 includes a positioning slot and an opening 331 formed at the bottom of the slot, the top position of the movement assembly 4 is limited in the mounting cavity 32 by a screw penetrating through the opening 331, and the movement assembly 4 is locked by matching with the clamping structure, so that the combination stability and reliability of the movement assembly 4 and the support frame 3 are increased.

In this embodiment, the paper bin 31 is disposed at an interval from the installation cavity 32, and the installation cavity 32 is disposed so as to penetrate through the front and rear. Referring to fig. 5, a paper bin 31 is formed at a lower portion of the carriage 3, and a mounting chamber 32 is formed at an upper portion of the carriage 3, which are longitudinally spaced apart to prevent the deck assembly 4 and the roll recording paper from interfering with each other at the time of paper discharge printing. The paper magazine 31 includes a semicircular cylindrical magazine bottom surface, a left end surface, and a right end surface, and rolled recording paper is placed in a space surrounded by the magazine bottom surface, the left end surface, and the right end surface recessed into the housing 1. Wherein the upper part of the paper bin 31 is separated from the mounting cavity 32 by the bottom wall of the mounting cavity 32.

In the present embodiment, right and left sides of the paper bin 31 are provided with right-angled plate-shaped mounting wing portions 311, and the paper bin 31 is fixedly connected to the housing 1 through the mounting wing portions 311. Specifically, the mounting wing 311 has a connection hole thereon, and the mounting wing 311 is fixed to the housing 1 by a screw passing through the connection hole. More specifically, the left and right inner side walls of the lower housing 11 are provided with circular tube-shaped mounting portions protruding inward, the connection holes of the mounting wing portions 311 are in one-to-one correspondence with the mounting portions, and the paper bin 31 is fixed on the housing 1 by screws penetrating through the corresponding connection holes and mounting portions. Preferably, a positioning part 312 is arranged at the lower part of the mounting wing part 311, the positioning part 312 and the mounting wing part 311 are mutually perpendicular, and a positioning lug matched with the positioning part 312 is arranged on the front cover body 12 and can pass through the positioning part 312 and rotate in a certain range relative to the support frame 3.

Referring to fig. 6 to 8, in the present embodiment, the movement assembly 4 includes a frame 40, a hob unit 41, a driving unit 42, and a rubber roller unit 43, a transmission gear for driving the rubber roller unit 43 to rotate is provided on the frame 40, and the driving unit 42 transmits power to the rubber roller through the transmission gear to drive the rubber roller to rotate. In performing printing, the thermal head and the rubber roller unit 43 hold the paper, and can drive the paper to move downstream to complete printing and convey the paper when the rubber roller rotates. The hob unit 41 comprises a hob with a mounting shaft and a blade with a shaft hole in the frame 40 adapted to the mounting shaft, i.e. the hob is rotatably supported on the frame 40 and the blade is detachably fixed on the hob.

In this embodiment, the mounting cavity 32 has an opening through which the hob is exposed. When the recording paper needs to be cut, the recording paper is cut by rotating the hob relative to the fixed knife. As another embodiment, the paper cutting mechanism may employ a slide blade and a fixed blade unit, and cutting of the recording paper is performed by linear movement of the slide blade with respect to the fixed blade. Here, the stationary knife is connected to the frame 40 through a rotating shaft, but the bottom of the stationary knife is connected to the frame 40 through an elastic supporting piece, that is, the stationary knife can rotate a certain angle relatively to the hob, so as to prevent the phenomenon of blocking between the hob and the stationary knife, that is, the phenomenon that the stationary knife cannot be retracted due to overlarge extrusion force of the hob.

It should be noted that, in this embodiment, the cutter unit 41 occupies a smaller working space than the conventional scheme of cutting the recording paper by using the cooperation of the sliding blade and the fixed blade, so that the overall size of the movement assembly 4 is smaller and the miniaturization is more prone to.

In this embodiment, the housing 1 is provided with a mounting opening 14 for taking out the movement assembly 4, and the housing 1 is provided with buttons 5 on the side walls on the left and right sides of the mounting opening 14, the buttons 5 being provided as a glue roller unit 43 for releasing the movement assembly 4. Specifically, the rubber roller unit 43 is connected with the frame 40 of the movement assembly 4 through a clamping piece, and the button 5 is separated from the frame 40 by applying force to the clamping piece, so that the technical purpose of releasing the rubber roller unit 43 is achieved.

In summary, in the above embodiment, by mounting the deck assembly 4 including the hob unit on the first portion of the supporting frame 3 and mounting the rolled recording paper on the second portion of the supporting frame 3, both the deck assembly 4 and the paper bin 31 are integrated on the supporting frame 3, and the supporting frame 3 is detachable from the housing 1, so that the user can quickly complete the disassembly and assembly of the deck assembly 4 and/or the recording paper without being limited by a small space in the housing 1, thereby improving the operation convenience.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A compact printer comprising a housing and a cartridge assembly, the cartridge assembly comprising a hob unit, the printer further comprising:

a support detachably assembled within the housing, the support including a first portion and a second portion;

wherein the first portion is configured to receive a movement assembly;

wherein the second portion is configured to receive a roll of recording paper;

the second portion is disposed below the first portion and has an inwardly recessed paper pocket.

2. The printer of claim 1, wherein the first portion has a mounting cavity for receiving the cartridge assembly.

3. The printer of claim 2, wherein the paper magazine is spaced from the mounting cavity.

4. A printer according to claim 2 or claim 3, wherein the mounting cavity is provided above the paper hopper and is provided therethrough from front to back.

5. The printer of claim 1, wherein the cartridge is provided with mounting wings on both the left and right sides, the mounting wings being affixed to the housing.

6. The printer of claim 5, wherein the mounting wing has a locating portion at an outer edge thereof, the locating portion and the mounting wing being perpendicular to each other.

7. The printer of claim 1, wherein the first portion has an opening through which the roller cutter is exposed.

8. The printer of claim 1 or 7, wherein the support frame has a clamping portion thereon for clamping the deck assembly.

9. The printer of claim 1, wherein the top of the support frame has a deck positioning portion for securing the deck assembly, the deck positioning portion having openings for fasteners to pass through.

10. The printer according to claim 1, wherein the housing is provided with a mounting opening for taking out the deck assembly, and buttons are provided on side walls of the housing on both left and right sides of the mounting opening, the buttons being provided as a glue roller unit for releasing the deck assembly.