CN107867068B - Handheld portable printer - Google Patents

Handheld portable printer Download PDF

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Publication number
CN107867068B
CN107867068B CN201711098545.0A CN201711098545A CN107867068B CN 107867068 B CN107867068 B CN 107867068B CN 201711098545 A CN201711098545 A CN 201711098545A CN 107867068 B CN107867068 B CN 107867068B
Authority
CN
China
Prior art keywords
printer
printing
box body
core box
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201711098545.0A
Other languages
Chinese (zh)
Other versions
CN107867068A (en
Inventor
解临凡
樊剑
谢海军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Bisheng Printing Technology Co ltd
Original Assignee
Zhongshan Bisheng Printing Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Bisheng Printing Technology Co ltd filed Critical Zhongshan Bisheng Printing Technology Co ltd
Priority to CN201711098545.0A priority Critical patent/CN107867068B/en
Publication of CN107867068A publication Critical patent/CN107867068A/en
Application granted granted Critical
Publication of CN107867068B publication Critical patent/CN107867068B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/36Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for portability, i.e. hand-held printers or laptop printers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/34Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing musical scores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17513Inner structure

Abstract

The invention discloses a hand-held portable printer, comprising: the printer comprises a printer box body, wherein an accommodating cavity capable of being opened and closed and a control circuit board are arranged in the printer box body, and the lower end of the printer box body is a printing working end; the ink box, ink box detachably installs in the holding intracavity, and it includes core box casing and core box, core box detachably installs in the core box casing for splendid attire ink, the lower extreme of core box is equipped with out the ink mouth, and this ink mouth is provided with the printing shower nozzle, the printing shower nozzle exposes in core box casing surface and dock printing work end, and electric connection control circuit board. When the printer is used, the printer box body is held and moved to print, and the size and the printing control mode can be set according to actual requirements; furthermore, the mobile printer can be internally provided with a power supply, so that the mobile printer is convenient to use, fills the blank of a mobile printer in the market, and has a large market prospect.

Description

Handheld portable printer
Technical Field
The invention relates to the technical field of printing equipment, in particular to a handheld portable printer.
Background
A Printer (Printer) is one of output devices of a computer for printing a computer processing result on a relevant medium. Printers are of various kinds, and impact printers and non-impact printers are classified according to whether or not a printing element has impact motion on paper; according to the structure of the printed characters, a full-character printer and a dot matrix character printer are divided; a string printer and a line printer according to the mode that a line character is formed on paper; according to the adopted technology, the printer is a printer of column type, sphere type, ink-jet type, thermosensitive type, laser type, electrostatic type, magnetic type, light-emitting diode type and the like.
However, the printers on the market generally have the problems of large volume and insufficient flexibility, and the printer is usually a box type member, and the box type member comprises an ink box or a selenium drum, a paper feeding system, a control system power supply and the like. In the laser printing system, there are generally a laser generator, a transfer system, a fixing system, and the like. Conventional printers are typically placed in a fixed location and are not suitable for mobile offices.
Disclosure of Invention
In order to solve the above problems, the present invention provides a portable printer that can perform mobile work by hand.
The technical scheme adopted for solving the technical problems is as follows: a hand-held portable printer, comprising:
the printer comprises a printer box body, wherein an accommodating cavity capable of being opened and closed and a control circuit board are arranged in the printer box body, and the lower end of the printer box body is a printing working end;
the ink box, ink box detachably installs in the holding intracavity, and it includes core box casing and core box, core box detachably installs in the core box casing for splendid attire ink, the lower extreme of core box is equipped with out the ink mouth, and this ink mouth is provided with the printing shower nozzle, the printing shower nozzle exposes in core box casing surface and dock printing work end, and electric connection control circuit board.
Preferably, a positioning structure is arranged on the side wall of the accommodating cavity, and the positioning structure is used for keeping the installation stability of the ink box.
Preferably, a grab handle extends laterally on the printer box body.
Preferably, the control circuit board is provided with a start switch on the grab handle.
Preferably, a power supply is arranged in the grab handle and is electrically connected with the control circuit board. Further, the power supply is a chargeable and dischargeable mobile power supply, and the mobile power supply is detachably arranged in the grab handle.
Preferably, the printer box body is provided with a roller at the printing working end.
Preferably, the control circuit board is integrated with a control module and a storage module, the storage module is used for storing printing information, and the control module is electrically connected with the storage module and the printing nozzle.
Preferably, the control circuit board is further integrated with a synchronization module, the synchronization module is used for detecting the movement direction and the movement speed of the printer box body, and the control module is electrically connected with the synchronization module so as to control the printing spray head to work according to the movement track.
Preferably, the control circuit board is further integrated with a communication module, and the communication module is electrically connected with the storage module and used for importing printing information.
Preferably, the printing working end of the printer box body is provided with a convex position, and the convex position protrudes out of the printing nozzle.
Preferably, the printing working end of the printer box body is provided with an end cover.
The beneficial effects of the invention are as follows: the ink box is detachably arranged in the printer box body, the ink box consists of a core box shell and a core box, the core box shell can effectively protect the core box and can be matched with the printer box body for design and production, the structure of the core box only needs to be slightly modified on the structure of the traditional ink box, and compared with the ink box which is directly arranged in the accommodating cavity and used for accommodating ink, the production cost is lower and the production quality is higher; the printing spray head is controlled by the control circuit board to perform printing, when the printing spray head is used, the printer box body is held to move for printing, and the size and the printing control mode can be set according to actual requirements; furthermore, the mobile printer can be internally provided with a power supply, so that the mobile printer is convenient to use, fills the blank of a mobile printer in the market, and has a large market prospect.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is an exploded schematic view of the structure of the present invention;
FIG. 2 is an exploded view of the printer cartridge of the present invention;
FIG. 3 is a schematic view of the installation of a separator plate of the present invention;
FIG. 4 is a schematic view of the bottom structure of the printer cartridge of the present invention;
FIG. 5 is a schematic view of the structure of the ink cartridge of the present invention;
FIG. 6 is a schematic view of the structure of the right cover in the present invention;
FIG. 7 is a schematic view of the overall structure of the present invention;
FIG. 8 is a schematic view of the structure of the print job side of the present invention;
fig. 9 is a schematic view of the structure of the roller in the present invention.
Detailed Description
Referring to fig. 1 to 9, the present invention is a hand-held portable printer comprising:
the printer comprises a printer box body 1, wherein an accommodating cavity capable of being opened and closed and a control circuit board 7 are arranged in the printer box body 1, and the lower end of the printer box body 1 is a printing working end;
the ink box 4, ink box 4 detachably installs in the holding intracavity, and it includes core box casing and core box 402, core box 402 detachably installs in the core box casing for splendid attire ink, the lower extreme of core box 402 is equipped with the ink outlet, and this ink outlet is provided with the printing shower nozzle, the printing shower nozzle exposes in core box casing surface and dock the printing work end, and electric connection control circuit board 7.
As shown in the figure, the core box shell is formed by buckling a left cover 401 and a right cover 404 together, the left cover 401 is provided with a plurality of first buckling feet 406 with outwards buckling platforms, at least one second buckling foot 407 with inwards buckling platform is arranged on the vertical side wall corresponding to the accommodating cavity, the periphery of the right cover 404 is provided with a side wall, buckling holes penetrating through the side wall are formed in the side wall corresponding to the first buckling feet 406, gaps are formed in the buckling platform parts corresponding to the second buckling feet 407, and the first buckling feet 406 are buckled in from the inner side of the side wall of the right cover 404. When the core box 402 is installed and enters, the buckling platform part of the second buckling leg 407 abuts against the core box 402 and can elastically deform to the vacancy to achieve the positioning function of the core box 402, so that the core box 402 is installed more firmly. As shown in the drawing, only one second buckling leg 407 is provided in the present embodiment, and a plurality of second buckling legs 407 may be provided. In order to facilitate the connection of the printing head with the control circuit board 7, an auxiliary PCB 403 is disposed on the ink cartridge 4, and the auxiliary PCB 403 is disposed at the upper end of the core box 402 and connected with the printing head through a flat cable. In order to fix the auxiliary PCB 403, a cover plate 405 is disposed at an upper end of the left cover 401, a receiving table 408 is disposed below the upper end of the right cover 404 corresponding to the cover plate 405, one end of the receiving table 408 is an opening end through which a flat cable passes, and the auxiliary PCB 403 is mounted between the receiving table 408 and the cover plate 405 and partially protrudes from the receiving table 408. The electronic components on the auxiliary PCB 403 are all mounted on the lower end surface, the portion protruding from the supporting table 408 is mounted with a connector, and in order to protect the electronic components thereon, the upper end surface of the supporting table 408 is provided with a thimble to abut against the auxiliary PCB 403, so as to abut against the cover plate 405. In addition, the supporting table 408 is provided with a cantilever 409 in a concave manner, and the cantilever 409 and the right cover 404 are integrally formed and inclined at a certain angle, so that the core box 402 can be elastically deformed to a certain extent, and thus, under the combined action of the second fastening pin 407 and the cantilever 409, the core box 402 is stably installed in the core box housing.
As shown in the figure, a positioning structure is arranged on the side wall of the accommodating cavity on the printer box body 1, and the positioning structure is used for keeping the installation stability of the ink box 4. In order to facilitate holding, the printer box 1 is provided with a handle 2 extending laterally, and the control circuit board 7 is provided with a start switch 202 on the handle 2. Specifically, the printer case 1 includes a first housing 101 and a second housing 102, where the first housing 101 and the second housing 102 are fastened to each other or connected by a screw, a partition 103 is installed between the first housing 101 and the second housing 102, a receiving cavity is formed between the partition 103 and the first housing 101, and a mounting cavity of the control circuit board 7 is formed between the partition 103 and the second housing 102, where the upper ends of the first housing 101 and the partition 103 are opened, and a flip cover 104 is pivoted at the same time to realize opening and closing of the receiving cavity, and an elastic abutment plate 105 is obliquely provided on the partition 103 toward the first housing 101, and the oblique direction of the elastic abutment plate 105 is downward, so that when the ink cartridge 4 is inserted into the receiving cavity from the upper end, the ink cartridge 4 is firmly mounted in the receiving cavity by the action of the elastic abutment plate 105. The vertical direction can be abutted against the upper end of the ink box 4 when the cover 104 is covered, namely, the cover 104 and the elastic abutting plate 105 form a positioning structure. Meanwhile, the upper end of the partition plate 103 is concavely provided with a docking station 106, and the control circuit board 7 is provided with terminals on the docking station 106 to dock the connectors on the auxiliary PCB board 403.
In order to increase the application range of the printer, a power supply is arranged in the grab handle 2, and the power supply is electrically connected with the control circuit board 7. The power supply is a chargeable and dischargeable mobile power supply 3, and the mobile power supply 3 is detachably arranged in the grab handle 2. Specifically, a cap 201 is disposed at the end of the handle 2, the cap 201 is clamped or fastened on the handle 2, and a power supply accommodating cavity is disposed in the handle 2.
In this embodiment, the control circuit board 7 is integrated with a control module and a storage module, where the storage module is used to store printing information, and the control module is electrically connected to the storage module and the printing nozzle. The control circuit board 7 is further integrated with a synchronization module, the synchronization module is used for detecting the movement direction and the movement speed of the printer box body 1, and the control module is electrically connected with the synchronization module so as to control the printing spray head to work according to the movement track. The synchronous module is a gyroscope, a photoelectric encoder or a magnetic encoder and is used for converting the mechanical geometric displacement into pulse or digital quantity which can be identified and read by the control module. When the printer is in operation, the printing working end is aligned with the surface of a printing object, the starting switch 202 is pressed, and the printer is moved, so that the printer is convenient to use. In order to facilitate the introduction and modification of the printing information, the control circuit board 7 is further integrated with a communication module, and the communication module is electrically connected with the storage module. The communication module can be used for wired communication or wireless communication, such as Bluetooth communication, WIFI communication, infrared communication and the like. In addition to the above-described printing control by the synchronization module, a timing module may be used to automatically print after the start switch 202 is pressed for a set time. In this embodiment, the printer box body is pivoted with rollers 5 at two sides of the printing end, the structural installation of the rollers 5 is shown in fig. 9, the rollers are formed by a roller shaft, a concave position is formed on the roller shaft, an anti-slip rubber ring is arranged in the concave position, two ends of the roller shaft are pivoted on a mounting seat, the mounting seat is fixed on the printer box body 1 through screws, in addition, the mounting seat can be glued or formed on the printer box body 1, a magnet 8 is embedded at the end part of the roller shaft, the magnet 8 rotates along with the roller shaft, a circuit board 9 is arranged in the mounting seat corresponding to the magnet 8, and the circuit board 9 is electrically connected with a control circuit board 7, so that a magnetic encoder function is formed, the rotating speed of the roller shaft is calculated through detecting magnetic field change, and then the moving speed of the printer box body 1 is obtained, and the printing nozzle is controlled to work. And the roller 5 is abutted against the printing surface, so that the lower end of the printer box body 1 is prevented from being abraded due to friction with the printing surface.
Furthermore, the printing end of the printer box body 1 is provided with an end cover 6, and the end cover 6 is pivoted on the printer box body 1, can be turned over during printing, and protects the printing nozzle when not printing.
According to the printer, the ink box 4 is detachably arranged in the printer box body 1, the ink box 4 consists of the core box shell and the core box 402, the core box shell can effectively protect the core box 402 and can be matched with the printer box body 1 for design and production, the structure of the core box 402 only needs to be slightly modified on the traditional ink box structure, and compared with the ink box which is directly arranged in the accommodating cavity and is used for accommodating ink, the production cost is lower and the production quality is higher; the printing nozzle is controlled by the control circuit board 7 to perform printing, when the printer is used, the printer box body 1 is held and moved to perform printing, and the size and the printing control mode can be set according to actual requirements; furthermore, the mobile printer can be internally provided with a power supply, so that the mobile printer is convenient to use, fills the blank of a mobile printer in the market, and has a large market prospect. As shown in the drawing, the embodiment discloses a structural design of installing only one ink cartridge 4 in the printer, and a printer with a plurality of ink cartridges 4 can be designed by combining the structure of the print head in the conventional printer on the basis of the structure described in the embodiment.
As another embodiment of the present invention, the printer housing 1 is provided with a protruding portion at the printing end, as shown in fig. 8, the protruding portion is specifically a rib 107, the rib 107 is disposed parallel to the moving direction of the printer housing 1, and both ends of the printing nozzle are provided with the rib 107, so that in the case of uneven printing carrier (such as paper), the rollers 5 on both sides are spaced widely, it is difficult to keep the printing surface flat, and by abutting the rib 107, the printing surface can be effectively kept flat, the printing quality is better, and meanwhile, the uneven printing carrier can be prevented from contacting the printing nozzle, resulting in damage. The height of the ribs 107 is set according to actual requirements, and will not be described in detail here.
In the invention, the shape of the roller 5 and the mounting seat thereof is not limited to a plane, for example, when the printing carrier is in an arc shape (such as a barrel-shaped structure), the mounting seat is correspondingly arranged in an arc shape or other shapes, so that the rollers 5 at two sides and the printing working end form an adaptive arc surface, and the mounting seat is in detachable connection with the printing working end, so that the printing carrier is convenient to use and high in practicability only by replacing the mounting seat when the printing carrier is used in different printing conditions.
In summary, the ink box of the invention is detachably installed in the printer box body, and the ink box consists of the core box shell and the core box, the core box shell can effectively protect the core box and can be adapted to the printer box body for design and production, the structure of the core box only needs to be slightly modified on the structure of the traditional ink box, and compared with the ink box directly installed in the accommodating cavity, the ink box has lower production cost and higher production quality; the printing spray head is controlled by the control circuit board to perform printing, when the printing spray head is used, the printer box body is held to move for printing, and the size and the printing control mode can be set according to actual requirements; furthermore, the mobile printer can be internally provided with a power supply, so that the mobile printer is convenient to use, fills the blank of a mobile printer in the market, and has a large market prospect.
The above embodiment is only a preferred embodiment of the present invention, the ink cartridge 4 is inserted from the upper end of the printer housing 1, and other embodiments are also possible, such as the open end of the accommodating cavity faces the side, and the auxiliary PCB 403 on the ink cartridge 4 is correspondingly disposed on the side, so that it is pressed by the flip cover 104 to keep abutting with the control circuit board 7. The positioning structure in the accommodating cavity and the cantilever 409 in the core box shell can be replaced by a positioning needle or rib plate and other structures. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention, and these equivalent modifications or substitutions are intended to be included within the scope of the present claims.

Claims (1)

1. A hand-held portable printer, comprising:
the printer comprises a printer box body, wherein an accommodating cavity capable of being opened and closed and a control circuit board are arranged in the printer box body, and the lower end of the printer box body is a printing working end;
the ink box is detachably arranged in the accommodating cavity and comprises a core box shell and a core box, the core box is detachably arranged in the core box shell and is used for accommodating ink, the lower end of the core box is provided with an ink outlet, the ink outlet is provided with a printing spray head, the printing spray head is exposed out of the surface of the core box shell and is in butt joint with a printing working end, and the printing spray head is electrically connected with a control circuit board;
the core box shell is formed by buckling a left cover and a right cover together, the left cover is provided with a plurality of first buckling feet with outwards buckling platforms, at least one second buckling foot with inwards buckling platform is arranged on the vertical side wall of the accommodating cavity corresponding to the left cover, the periphery of the right cover is provided with a side wall, buckling holes penetrating through the side wall are formed in the side wall corresponding to the first buckling feet, gaps are formed in the buckling platform parts of the side wall corresponding to the second buckling feet, and the first buckling feet are buckled in from the inner side of the side wall of the right cover; when the core box is installed and enters, the buckling table of the second buckling pin is abutted against the core box, so that the core box is positioned, an auxiliary PCB is arranged on the ink box, the auxiliary PCB is arranged at the upper end of the core box, the auxiliary PCB is connected with the printing spray head through a flat cable, the upper end of the left cover is provided with a cover plate, the upper end of the right cover is provided with a bearing table corresponding to the lower part of the cover plate, one end of the bearing table is an opening end for the flat cable to pass through, the auxiliary PCB is installed between the bearing table and the cover plate and partially protrudes out of the bearing table, electronic components on the auxiliary PCB are all installed on the lower end face, a connector is installed at the part of the bearing table, a cantilever is concavely arranged on the bearing table, the cantilever and the right cover are integrally formed and inclined at a certain angle, and the core box is positioned in the core box shell under the combined action of the buckling table of the second buckling pin and the cantilever;
the printer comprises a printer box body, wherein the printer box body comprises a first shell and a second shell, the first shell and the second shell are mutually buckled or connected through screws, a partition plate is arranged between the first shell and the second shell, a containing cavity is formed between the partition plate and the first shell, a mounting cavity of a control circuit board is formed between the partition plate and the second shell, the upper ends of the first shell and the partition plate are provided with openings, a flip cover is pivoted at the openings at the same time to realize opening and closing of the containing cavity, an elastic abutting plate is obliquely arranged on the partition plate towards the first shell, the elastic abutting plate is downward in the inclined direction, and abuts against the upper end of the ink box when the flip cover is closed, and the positioning structure is formed by the flip cover and the elastic abutting plate;
a grab handle is arranged on the printer box body in a laterally extending manner;
the control circuit board is provided with a starting switch on the grab handle;
a power supply is arranged in the grab handle and is electrically connected with the control circuit board;
the printer box body is provided with a roller at the printing working end, the roller is formed by a roller shaft, a concave position is formed on the roller shaft, an anti-slip rubber ring is arranged in the concave position, two ends of the roller shaft are pivoted on a mounting seat, and the mounting seat is fixed on the printer box body through screws;
the control circuit board is integrated with a control module and a storage module, the storage module is used for storing printing information, and the control module is electrically connected with the storage module and the printing nozzle;
the control circuit board is also integrated with a synchronization module, the synchronization module is used for detecting the movement direction and the movement speed of the printer box body, and the control module is electrically connected with the synchronization module so as to control the printing nozzle to work according to the movement track;
the control circuit board is also integrated with a communication module, and the communication module is electrically connected with the storage module and is used for importing printing information;
the printing working end of the printer box body is provided with a convex position, the convex position protrudes out of the printing spray head, the convex position is specifically a rib, the rib is parallel to the movement direction of the printer box body, and the two ends of the printing spray head are provided with ribs.
CN201711098545.0A 2017-11-09 2017-11-09 Handheld portable printer Active CN107867068B (en)

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Application Number Priority Date Filing Date Title
CN201711098545.0A CN107867068B (en) 2017-11-09 2017-11-09 Handheld portable printer

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Application Number Priority Date Filing Date Title
CN201711098545.0A CN107867068B (en) 2017-11-09 2017-11-09 Handheld portable printer

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CN107867068A CN107867068A (en) 2018-04-03
CN107867068B true CN107867068B (en) 2024-03-22

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CN111038113B (en) * 2018-11-09 2021-05-28 珠海奔彩打印科技有限公司 Hand-held printer
CN109605940B (en) * 2018-12-12 2024-03-22 中山市毕升打印科技有限公司 Welding-free ink box printing equipment
CN109822899A (en) * 2019-04-08 2019-05-31 南京航空航天大学 A kind of biological 3D printer of double working modes
CN110116557A (en) * 2019-06-13 2019-08-13 深圳亿瓦创新科技有限公司 A kind of print cartridge of Portable hitting printing apparatus
CN110356123B (en) * 2019-08-27 2024-03-08 珠海天威飞马打印耗材有限公司 Handheld printer and printing method thereof
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CN204123799U (en) * 2014-10-17 2015-01-28 顺丰速运(惠州)有限公司 A kind of hand-hold scanning coding all-in-one
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