CN111689283B - Combined printer shaft convenient to install - Google Patents

Combined printer shaft convenient to install Download PDF

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Publication number
CN111689283B
CN111689283B CN202010509006.7A CN202010509006A CN111689283B CN 111689283 B CN111689283 B CN 111689283B CN 202010509006 A CN202010509006 A CN 202010509006A CN 111689283 B CN111689283 B CN 111689283B
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China
Prior art keywords
block
circular tube
connecting rod
shaft
fixed
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CN202010509006.7A
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CN111689283A (en
Inventor
张继刚
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Shenzhen Changsheng High Precision Hardware Co ltd
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Shenzhen Changsheng High Precision Hardware Co ltd
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Priority to CN202010509006.7A priority Critical patent/CN111689283B/en
Publication of CN111689283A publication Critical patent/CN111689283A/en
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Publication of CN111689283B publication Critical patent/CN111689283B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/20Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders
    • 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
    • B41J11/00Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • 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
    • B41J13/00Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/02Rollers
    • B41J13/076Construction of rollers; Bearings therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention provides a combined printer shaft convenient to install, and belongs to the technical field of printers. This combination formula printer axle easy to assemble includes outer axis body, interior axis body. Outer shaft body includes interior pipe and excircle pipe, interior shaft body includes pivot, connecting block and connecting rod, the pivot includes fixed block and axle core, connecting block one side fixed connection in connecting rod one end, just the connecting block opposite side connect in axle core one end. Through the fixed pivot of constituteing of pegging graft of axle core each other, the connecting block is fixed in the grafting of pivot both sides, connecting block and connecting rod integrated design, axle core surface one side fixedly connected with fixed block, can be with interior axle body fixed mounting inside interior round pipe through the fixed block, the excircle pipe is fixed cup joints in interior pipe, the device conveniently carries out the aggregate erection, also conveniently dismantles the maintenance during the damage, only need outer pipe, interior pipe, connecting block or axle core change, reduce cost of maintenance.

Description

Combined printer shaft convenient to install
Technical Field
The invention relates to the technical field of printers, in particular to a combined printer shaft convenient to install.
Background
A printer is one of the output devices of a computer for printing the results of a computer process on an associated medium. The indexes for measuring the quality of the printer comprise three items: print resolution, print speed and noise. There are many types of printers, and an impact printer and a non-impact printer are classified according to whether or not a printing element strikes paper. Full-font character printers and dot matrix character printers are classified according to the character structure to be printed. A line printer is divided into a serial printer and a line printer in such a manner that a line character is formed on a paper. According to the adopted technology, the printer is divided into a column type, a spherical type, an ink jet type, a thermal type, a laser type, an electrostatic type, a magnetic type, a light emitting diode type and the like.
The printer shaft comprises a main shaft, the left end and the right end of the main shaft are respectively connected with a rotating shaft, the power part drives the rotating shafts to rotate, the rotating shafts drive the main shaft to rotate, the rubber part on the outer wall of the printer shaft center exerts friction force on paper, and the paper moves towards the required direction under the action of the friction force exerted by the printer shaft center, so that the printer shaft center plays a role in conveying the paper in the printer. When the printer is at the during operation, the printer axle often deviates from original mounted position easily because the installation is insecure, breaks away from in the printer even, has influenced the transportation of paper like this undoubtedly, has caused the unable normal printout's of printer trouble, and the mode of printer axle dismouting should be more simple, otherwise is unfavorable for staff's operation, and then has reduced work efficiency.
At present, a printer shaft is mostly of a fixed integrated structure, is inconvenient to assemble and disassemble, is inconvenient to disassemble and maintain when damaged, and needs to be replaced for the whole shaft when locally damaged, so that the maintenance cost is improved, and the economic waste is caused.
Disclosure of Invention
In order to make up for the defects, the invention provides the combined printer shaft which is convenient to install, and aims to solve the problems of inconvenient installation and disassembly and maintenance.
The invention is realized by the following steps:
the invention provides a combined printer shaft convenient to install.
Outer shaft is including interior pipe and excircle pipe, outer pipe is fixed cup joint in interior pipe surface of tubes, interior shaft is including pivot, connecting block and connecting rod, the pivot includes fixed block and axle core, fixed block fixed connection in axle core surface one side, axle core one end fixedly connected with dogtooth, connecting block one side fixed connection in connecting rod one end, just the connecting block opposite side connect in axle core one end.
In an embodiment of the invention, a limiting block is fixedly connected to the periphery of the outer surface of the inner circular tube, and a clamping groove is further formed in the inner surface of the inner circular tube and is clamped with the fixing block.
In an embodiment of the invention, a limiting groove is formed in the inner surface of the outer circular tube, and the limiting groove is clamped with the limiting block.
In an embodiment of the present invention, the outer surface of the outer circular tube is provided with grooves, and the grooves are uniformly distributed in the outer circular tube.
In one embodiment of the invention, a fixing rod is clamped and fixed in the groove, and the cross section of the fixing rod is in a boss shape.
In one embodiment of the invention, one side of the fixing rod is fixedly connected with friction blocks, and the friction blocks are uniformly distributed on the surface of one side of the fixing rod.
In an embodiment of the present invention, a tooth socket is disposed at one end of the shaft core, and the tooth socket is inserted into the protruding tooth.
In one embodiment of the invention, one end of the connecting rod is fixedly sleeved with a rubber sleeve, the other end of the connecting rod is fixedly connected with a transmission gear, a gear box is arranged outside the transmission gear, the connecting rod is connected to two sides of the gear box in a penetrating manner and is rotatably connected to the gear box, and oil retainer rings are fixedly arranged on two sides of the connecting rod inside the gear box.
In an embodiment of the invention, one side of one of the connecting blocks is provided with the convex teeth, one side of the other connecting block is provided with the tooth grooves, and the connecting block and the shaft core are connected with each other in a clamping manner through the convex teeth and the tooth grooves.
In one embodiment of the present invention, the connecting block and the connecting rod are integrally designed, and a cross section of one end of the connecting rod is semicircular.
The invention has the beneficial effects that: the combined printer shaft which is convenient to install and is obtained by the design is convenient to install, the rotating shaft is formed by mutually inserting and fixing shaft cores, the two sides of the rotating shaft are inserted and fixed in connecting blocks, the connecting blocks and the connecting rods are integrally designed, one side of the outer surface of each shaft core is fixedly connected with a fixing block, the inner shaft body can be fixedly arranged in the inner circular tube through the fixing block, the outer circular tube is fixedly sleeved on the inner circular tube, the device is not a fixed integrated structure, the shaft cores are mutually and fixedly connected to form a rotating shaft, the outer part of the rotating shaft is sleeved with the inner circular tube and the outer circular tube, the shaft is convenient to assemble and install, the maintenance is also conveniently dismantled to the spindle when damaging simultaneously, does not need whole spindle to change, only needs outer pipe, interior pipe, connecting block or axle core to change, and printer spindle dismouting mode is simpler, and the staff's of being convenient for operation reduces cost of maintenance, improves work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a modular printer shaft that provides for ease of installation in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of an outer axle according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an inner tube according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an outer tube according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a fixing rod and a friction block according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a shaft core and a fixing block according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a fixing block according to an embodiment of the present invention;
FIG. 8 is a schematic view of a structure of one of the mandrels according to the present invention;
FIG. 9 is a schematic structural view of another mandrel according to an embodiment of the present invention;
FIG. 10 is a schematic view of a fixing block and a connecting rod according to an embodiment of the present invention;
fig. 11 provides a schematic diagram of the structure at a in fig. 1 for an embodiment of the present invention.
In the figure: 100-an outer shaft body; 110-inner circular tube; 111-card slot; 112-a stopper; 130-outer circular tube; 131-a limiting groove; 132-a groove; 133-a fixation bar; 134-friction block; 300-inner shaft body; 310-a rotating shaft; 311-fixed block; 312-lobes; 313-gullet; 317-shaft core; 320-connecting block; 330-a transmission gear; 331-a gearbox; 332-oil slinger; 340-a rubber sleeve; 350-connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-11, the present invention provides a technical solution: an easy-to-install combo printer shaft includes an outer shaft body 100 and an inner shaft body 300.
The outer shaft body 100 is fixed on the outer surface of the inner shaft body 300 in a sleeved manner, the inner shaft body 300 is used for providing rotation power, and the outer shaft body 100 is used for providing friction force and protecting the inner shaft body 300.
Referring to fig. 1-5, the outer shaft 100 includes an inner circular tube 110 and an outer circular tube 130, the outer circular tube 130 is fixedly sleeved on the outer surface of the inner circular tube 110, the inner circular tube 110 has the same length as the outer circular tube 130, the outer diameter of the inner circular tube 110 is slightly smaller than the inner diameter of the outer circular tube 130, one side of the outer surface of the inner circular tube 110 is fixedly connected with a limiting block 112, the limiting block 112 is fixedly welded on one side of the outer surface of the inner circular tube 110, a clamping groove 111 is further formed in the inner surface of the inner circular tube.
The inner surface of the outer circular tube 130 is provided with a limiting groove 131, the length of the limiting groove 131 is the same as that of the outer circular tube 130, the limiting groove 131 is clamped with the limiting block 112, the inner circular tube 110 is fixedly arranged inside the outer circular tube 130 through the clamping arrangement of the limiting groove 131 and the limiting block 112, the outer surface of the outer circular tube 130 is provided with a groove 132, the length of the groove 132 is equal to that of the outer circular tube 130, the groove 132 is uniformly distributed on the outer circular tube 130, the groove 132 is used for fixedly clamping a fixing rod 133, the fixing rod 133 is clamped and fixed inside the groove 132, the cross section of the fixing rod 133 is in a boss shape and is convenient to fix and install inside the groove 132, one side of the fixing rod 133 is fixedly connected with a friction block 134, the friction block 134 is fixed on the surface of the outer circular tube 130 through the fixing rod 133, the friction blocks 134 are arranged on the surface of the fixing rod 133 in a linear array, and the friction blocks 134 are used for increasing friction between the main shaft and paper and improving printing efficiency when the side surface of the printer shaft becomes smooth, the paper is difficult to convey and the printing efficiency is affected.
Referring to fig. 1 and 6-11, the inner shaft 300 includes a rotating shaft 310, a connecting block 320 and a connecting rod 350, the rotating shaft 310 is used for providing rotating power, the rotating shaft 310 includes a fixing block 311 and a shaft core 317, the fixing block 311 is fixedly connected to one side of the outer surface of the shaft core 317, the fixing block 311 is fixedly welded to one side of the outer surface of the shaft core 317, one end of the shaft core 317 is fixedly connected to one end of the shaft core 317, the cross section of the protruding tooth 312 is square, one end of the shaft core 317 is provided with a tooth space 313, the length of the protruding tooth 312 is the same as the depth of the tooth space 313, the tooth space 313 is inserted into the protruding tooth 312, the outer side wall of the protruding tooth 312 is in contact with the inner side wall of the tooth space 313, the shaft core 317 is connected in series through the protruding tooth 312 and the tooth space 313, one side of the connecting block 320 is fixedly connected, the clamping groove 111 is clamped with the fixing block 311, and the rotating shaft 310 and the inner circular tube 110 are clamped and fixed through the clamping groove 111 and the fixing block 311.
One end of the connecting rod 350 is fixedly sleeved with the rubber sleeve 340, the rubber sleeve 340 is used for enhancing the stability of the rotating shaft 310 in the rotating process and facilitating the smooth transmission of paper, the other end of the connecting rod 350 is fixedly connected with the transmission gear 330, the transmission gear 330 is in transmission connection with an external power device, the gear box 331 is arranged outside the transmission gear 330, the connecting rod 350 is connected to two sides of the gear box 331 in a penetrating way, the connecting rod 350 is connected to the gear box 331 in a rotating way, the two sides of the connecting rod 350 inside the gear box 331 are fixedly provided with the oil baffle rings 332, the transmission gear 330 needs to be lubricated by lubricating oil in the rotating process, so that the resistance of the transmission gear 330 in the rotating process is reduced, the rotation is smoother, the working efficiency of the printer is improved, the oil can be, the transmission gear 330 rotates to drive the rotating shaft 310 to rotate, so that the printer shaft starts to work, one side of one connecting block 320 is provided with a convex tooth 312, one side of the other connecting block 320 is provided with a tooth groove 313, the connecting block 320 and the shaft core 317 are clamped and fixed through the convex tooth 312 and the tooth groove 313, the connecting block 320 and the shaft core 317 are clamped and connected through the convex tooth 312 and the tooth groove 313, the cross section of one end of the connecting rod 350 is semicircular, and therefore the transmission gear 330 is convenient to mount and the transmission gear 330 is convenient to.
Specifically, this easy to assemble's combination formula printer axle's theory of operation: when the fixing device is used, one end of a shaft core 317 is fixedly connected with a convex tooth 312, one end of the shaft core 317 is provided with a tooth socket 313, the shaft core 317 is mutually inserted and fixed through the convex tooth 312 and the tooth socket 313 at two ends, one side of the outer surface of the shaft core 317 is fixedly connected with a fixing block 311, the inner surface of an inner circular tube 110 is provided with a clamping groove 111, the clamping groove 111 is clamped and arranged with the fixing block 311, a rotating shaft 310 is fixed inside the inner circular tube 110, the periphery of the outer surface of the inner circular tube 110 is fixedly connected with a limiting block 112, the inner surface of an outer circular tube 130 is provided with a limiting groove 131, the limiting groove 131 is clamped and arranged with the limiting block 112, the outer circular tube 130 is fixed on the outer surface of the inner circular tube 110, the outer surface of the outer circular tube 130 is provided with a groove 132, the problem that the friction between the main shaft of the printer and paper is increased due to the long-term friction contact of the main shaft of the printer and the paper, which causes the side surface of the main shaft to become smooth and is not beneficial to the transportation of the paper and affects the printing efficiency is solved, the friction block 134 is arranged to increase the friction between the main shaft and the paper, which has the advantage of improving the printing efficiency, the connecting block 320 and the connecting rod 350 are integrally designed, one side of one connecting block 320 is provided with the convex teeth 312, one side of the other connecting block 320 is provided with the tooth grooves 313, the connecting block 320 is fixed at two ends of the shaft core 317 through the convex teeth 312 and the tooth grooves 313, the cross section of one end of the connecting rod 350 is semicircular, the transmission gear 330 and the rubber sleeve 340 are respectively sleeved and fixed at two ends of the connecting rod 350, the gear box, because drive gear 330 need adopt lubricating oil to lubricate at the rotation in-process, make drive gear 330 reduce at the rotation in-process resistance, it is more smooth and easy to rotate, and then make printer work efficiency improve, can prevent through oil scraper ring 332 and gear box 331 that the grease from leaking outward and playing better lubrication action, avoid external foreign matter to pollute the grease and can't reach lubricated effect, the mode of printer axle dismouting is more simple, be favorable to staff's operation, and then improve work efficiency, its simple high-efficient of change structure of printer main shaft, the length specification can be changed at will to the printer main shaft simultaneously.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. The combined printer shaft convenient to mount is characterized by comprising an outer shaft body (100), wherein the outer shaft body (100) comprises an inner circular tube (110) and an outer circular tube (130), and the outer circular tube (130) is fixedly sleeved on the outer surface of the inner circular tube (110); the inner shaft body (300) comprises a rotating shaft (310), a connecting block (320) and a connecting rod (350), the rotating shaft (310) comprises a fixing block (311) and a shaft core (317), the fixing block (311) is fixedly connected to one side of the outer surface of the shaft core (317), one end of the shaft core (317) is fixedly connected with a convex tooth (312), one side of the connecting block (320) is fixedly connected to one end of the connecting rod (350), and the other side of the connecting block (320) is connected to one end of the shaft core (317);
a limiting block (112) is fixedly connected to the peripheral side of the outer surface of the inner circular tube (110), a clamping groove (111) is further formed in the inner surface of the inner circular tube (110), and the clamping groove (111) is clamped with the fixing block (311); a limiting groove (131) is formed in the inner surface of the outer circular tube (130), and the limiting groove (131) is clamped with the limiting block (112); grooves (132) are formed in the outer surface of the outer circular tube (130), and the grooves (132) are uniformly distributed in the outer circular tube (130); a fixing rod (133) is clamped and fixed in the groove (132), and the cross section of the fixing rod (133) is in a boss shape; friction blocks (134) are fixedly connected to one side of the fixing rod (133), and the friction blocks (134) are uniformly distributed on the surface of one side of the fixing rod (133); one end of the shaft core (317) is provided with a tooth groove (313), and the tooth groove (313) is inserted into the convex tooth (312);
the fixed cover that has connect of connecting rod (350) one end has connect gum cover (340), connecting rod (350) other end fixedly connected with drive gear (330), drive gear (330) outside is equipped with gear box (331), connecting rod (350) through connection in gear box (331) both sides, just connecting rod (350) rotate connect in gear box (331), connecting rod (350) are located gear box (331) inside both sides fixed mounting has oil scraper ring (332).
2. The use method of the conveniently-installed combined printer shaft according to claim 1, wherein when in use, one end of the shaft core (317) is fixedly connected with the convex teeth (312), one end of the shaft core (317) is provided with the tooth sockets (313), the shaft core (317) is mutually inserted and fixed through the convex teeth (312) and the tooth sockets (313) at the two ends, one side of the outer surface of the shaft core (317) is fixedly connected with the fixed block (311), the inner surface of the inner circular tube (110) is provided with the clamping groove (111), the clamping groove (111) is clamped with the fixed block (311), the rotating shaft (310) is fixed inside the inner circular tube (110), the periphery of the outer surface of the inner circular tube (110) is fixedly connected with the limit block (112), the inner surface of the outer circular tube (130) is provided with the limit groove (131), the limit groove (131) is clamped with the limit block (112), and the outer circular, the outer surface of the outer circular tube (130) is provided with a groove (132), a fixing rod (133) is fixed in the groove (132) in a clamped mode, the cross section of the fixing rod (133) is in a boss shape, one side of the fixing rod (133) is fixedly connected with a friction block (134), the friction block (134) is uniformly distributed on the surface of one side of the fixing rod (133), the friction block (134) is arranged, the problem that the printing efficiency is affected due to the fact that the shaft side face becomes smooth due to long-term friction contact with paper is solved, the problem that the paper is not conveyed is solved, the friction between the main shaft and the paper can be increased due to the arranged friction block (134), the printing efficiency is improved, the connecting block (320) and the connecting rod (350) are integrally designed, one side of one connecting block (320) is provided with a convex tooth (312), one side of the other connecting block (320) is provided with a tooth groove (313), and the, the cross section of one end of the connecting rod (350) is semicircular, the transmission gear (330) and the rubber sleeve (340) are respectively sleeved and fixed at two ends of the connecting rod (350), the gear box (331) is arranged outside the transmission gear (330), the connecting rod (350) is connected to two sides of the gear box (331) in a penetrating way, the connecting rod (350) is connected to the gear box (331) in a rotating way, oil baffle rings (332) are fixedly arranged at two sides of the connecting rod (350) inside the gear box (331), because the transmission gear (330) needs to be lubricated by lubricating oil in the rotating process, the resistance of the transmission gear (330) in the rotating process is reduced, the rotation is smoother, the working efficiency of the printer is further improved, the oil baffle rings (332) and the gear box (331) can prevent the oil from leaking outwards to play a better lubricating role, the phenomenon that the oil, the printer spindle replacement device is beneficial to operation of workers, working efficiency is improved, the structure of the printer spindle replacement device is simpler and more efficient, and meanwhile, the length specification of the printer spindle can be replaced at will.
CN202010509006.7A 2020-06-07 2020-06-07 Combined printer shaft convenient to install Active CN111689283B (en)

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Application Number Priority Date Filing Date Title
CN202010509006.7A CN111689283B (en) 2020-06-07 2020-06-07 Combined printer shaft convenient to install

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Application Number Priority Date Filing Date Title
CN202010509006.7A CN111689283B (en) 2020-06-07 2020-06-07 Combined printer shaft convenient to install

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CN111689283B true CN111689283B (en) 2021-02-26

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JP4862610B2 (en) * 2006-10-26 2012-01-25 ブラザー工業株式会社 Portable small printer
JP4933921B2 (en) * 2007-03-08 2012-05-16 京セラミタ株式会社 Sheet feeding device and image forming apparatus provided with the sheet feeding device
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