TWI322790B - Roller fixing structure - Google Patents

Description

Nine, invention description: [Technical field to which the invention pertains] - The present invention relates to a roller fixing structure, more particularly, a volt, relating to a roller fixing structure applied to a printing device. [Prior Art] Printing devices such as fax machines, printers, and photocopiers usually use energy-conducting printing units such as photosensitive drums or thermal drums to match the corresponding items to be printed, such as thermal paper, and ordinary The paper, film or slide is waiting for the printed item 'to develop color on the item to be printed. ^ 〃 Take a fax machine that uses a thermal paper with a thermal drum. The thermal paper is usually placed in the form of a roll for the user to place in the thermal paper roll receiving groove of the fax machine. However, in addition to placing the thermal paper roll outside the heat-sensitive paper roll receiving groove, the user must further place the front end portion of the heat-sensitive paper between the two rollers conveyed by the heat-sensitive paper to print. At the same time, the thermal paper can be passed through the thermal drum through the rotation of the two rollers to provide thermal energy at a specific address, so that the filament is developed at an address corresponding to the heat energy to be supplied. In the process of replacing the thermal paper roll, the user must accurately place the front end portion of the thermal paper between the upper and lower rollers so that the heat sensitive paper roll does not occur during the transfer of the roller. The problem of displacement, but there is a very small gap between the rollers on the shell, which is usually equal to or slightly less than the thickness of the sense. In other words, the front end portion of the thermal paper is accurately placed; the boring shaft must be operated more accurately and carefully for unfamiliar users. Inconsistent, once the thermal paper roll is displaced during the printing process, the color of the color may not be recognized, and the fax machine may even malfunction due to roll paper 110108 (Revision) 6 - or paper jam. Disassembly::: The problem of the prior art is that the upper roller is designed to be reelable. * A kind of separable upper roller structure'. Of course, the heat sensitive paper is added. • Rongxian:: (4) Convenience and Accuracy' but the alignment of the upper roller during the replacement process. More severely, 'the roller is connected.' The transmission paper is usually added with a rubber material in the middle ring of the roller. In the process of disassembling and separating the friction units, it is easy for dust and the like. Contamination, resulting in a reduction in the coefficient of friction, which in turn reduces the accuracy of the conveyance of the paper. Furthermore, it is known that the fax machine using the thermal paper reel provides the cutting work to complete the printing of the thermal paper, and then the cutter is started to complete the column. The spoon heat sensitive paper is transferred to the heat sensitive paper roll for the user to take. In the machine component arrangement structure, the cutter is disposed near the heat drum of the roller f, that is, the user is replacing the heat sensitive paper roll At the time of the month, the b may be cut for the knife because of inattention. "How long is it to provide a roller that can increase the accuracy, convenience and safety of the object to be printed? Fixed structure has become an urgent issue to be solved. SUMMARY OF THE INVENTION In order to solve the above-mentioned drawbacks of the conventional roller fixing structure, the present invention provides a roller fixing structure capable of increasing the quasi-wei and convenience of the object to be printed. η The roller fixing structure of the present invention is applied to a printing device 'the printing device has a printing unit for coloring the input object to be printed, to 110108 (amendment) 7 and to provide the The first item to be printed passes through the first printing unit

The roller fixing structure comprises: a lower town, a U body, a body for accommodating at least a frame, a printing unit, the first unit, the first to be arranged, and the first to be arranged. And a pivoting portion; the upper casing is disposed above the lower casing, and covers the lower casing, and the upper casing has opposite sides and opposite sides a clamping portion extending from the lower casing, the guiding portion has a guiding portion and a limiting portion, wherein the limiting portion has opposite and two portions: the m portion is connected to the opposite end portion and has a pivotal system The guiding portion LV β 阳μ 丨, and a limiting slot are disposed on two sides of the first roller for receiving a pivot of the 筮X X′′Xi brother and defining the pivot a moving position, wherein the guiding neighboring visibility and length are slightly larger than a pivot axis of the second roller, and the spacing of the two convex portions of the limiting portion is smaller than the pivot of the second roller When the upper casing covers the lower casing, the through-shaft is pivotally connected to the remaining portion H (4), and the limiting slot is positioned to transmit the object to be printed with the first roller. Providing the position of the object through the printing unit. Compared with the conventional roller fixing structure, the roller fixing structure of the present invention transmits through the aforementioned limiting space formed by the clamping portion disposed on the upper casing. And the second roll storage structure can increase the flexibility, convenience and safety of the object to be printed. [Embodiment] Hereinafter, embodiments of the present invention will be described by way of specific embodiments. Other advantages and functions of the present invention can be easily understood by those skilled in the art. 4 The invention can also be implemented or applied by other different specific embodiments. The details of this specification are also 110108 (amendment) 8 Modifications and changes can be made based on different views. /, ..., in the spirit of the present invention, refer to the first fgj # intent. As shown in Fig. 8, /, the roller fixed structure of the present invention The structure shows 1 2 ^ £p ^ ^ ^ m ^ ^ "] ^ The color of the printed list ^ is used to enter the object to be printed on the display 3 ^ ^ 2 ^ ^ ^22 # " ίΡ ^ # 3 ^ ^ ^ ^ can be, for example, a printer. In this example, The printing device 2 is a facsimile machine or a photocopier. The item to be printed; 3 # & photosensitive paper, plain paper, roll or slide, and the printed list ^ = should be printed to be printed 2〗 is the 感m · 感 感 该 该 该 该 该 待 待 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 The printing device 2 has other U-shaped components which are similar or identical to the conventional printing device, and are not further described in order to avoid obscuring the technical features of the present invention. The roller fixing structure of the present invention includes The lower casing 丨i, the upper casing 12, the first roller 12 and the limiting groove 14. The lower casing 11 is accommodating to include at least the article 3 to be printed, the printing unit 21, and the first roller 22. The upper body 12 is disposed in parallel above the lower casing 11 and covers the lower casing 11'. The opposite sides 12 & 12b of the upper casing 12 respectively extend toward the lower casing 11 The clamping portions 121 and 122 respectively have two convex portions 121c having guiding portions 121 & 122a and limiting portions 121b and 122b 'the limiting portions 121b and 122b having opposite and having a spacing With 122c. Π0108 (Revised) 9 ^ The second roller 13 is respectively provided with pivots (3) and 132 at opposite end portions 13a and nb, and the pivots 131 and 132 are respectively disposed through the guiding portions 121a and 122a. . The two limiting slots 143 and 14b are disposed on the two side portions 22 & 221 of the first roller 22 for receiving the pivot 131 盥 132 of the second roller 13 and defining the pivot 131 The moving position with the 132 does not exceed the limit space of the two limiting slots 14a and 14b. In the present embodiment, the second housing 13 that is pivotally connected to the pivot holes 131a and 122 through the pivots 131 and 132 is positioned to be able to be positioned by the upper housing 12 The position of the object to be printed 3' is transmitted along with the first roller 22, and the position of the object to be printed 3 passing through the printing unit 2 is provided. #中' The width and length of the guiding portion 121& and ma are slightly larger than the axial diameters of the pivots 131 and 132 of the second roller 13, and the limiting portion is spaced apart from the convex portion 121e and mc of 122b. Less than the second roller u, the pivots 131 and 132' are disposed on the upper casing 12 to cover the lower casing, and are pivotally connected to the pivot hole through the pivots 131 and 132. By means of the limiting slots 14a and 14b, the object to be printed 3 can be transported to match the 5th roller 22, and the position of the object to be printed 3 passing through the printing unit 21 is provided. It should be noted that the width and length of the guiding portions 121a and 122a are slightly larger than the axial diameters of the pivots 131 and 丨Μ of the second roller 13, and the convex portions of the limiting positions j Ulb and 122b The spacing between 121c and 122c is less than the pivots 131 and 132 of the second roller 13. Therefore, the pivoting ΐ 131 # 132 of the second roller 13 10 110108 (corrected) is allowed to be displaced within the range of the guiding portion, and the displacement is satisfied by the upper casing 12 and/or the limiting slot 14a. The tolerances generated in the %, and the 14b, respectively, cause the pivots 13丨 and 132 of the second roller 13 to be accurately placed in the limiting slots 14a and 14b, thereby affecting the accuracy of the conveyance of the object to be printed 3 . In the present embodiment, the first roller 22 and the second roller 3 are provided with a ring to increase the accuracy of the object to be printed passing through the printing unit 21. Friction units 221 and 133. The friction units 221 and 133 are made of a rubber material. In addition, at least one of the pivots 131 or 132 of the second roller 13 has a transmission member 134 ′ which has a transmission portion 23 for engaging the transmission member 134. In this embodiment, The transmission members 134 are respectively looped by the pivots 131 and U2 of the second roller 13. More specifically, the transmission member 134 is a driven gear. The transmission portion 23 is a drive gear. Furthermore, the lower jaw body has a pivoting portion 112 and 112, and the upper housing 12 has pivoting members 123 and 124 corresponding to the lower housing pivoting portions ui and ι 2, the upper housing The pivoting members 123 and m of the 12 are pivotally connected to the connecting portion ln 112 of the lower casing n, and the upper casing 12 stably covers the lower casing 11. In this embodiment, the hinged portions (1) and 112 have pivot holes Ilia and U2a, and the pivot members 123 and 124 correspond to the pivot of the pivot hole. In another embodiment of the present invention, the pivotal portions ill and 112 may be pivotal, and the pivoting member 123 and the pivoting hole of the pivoting member, since this is a conventional structure. Therefore, the description of the annex is revealed. For the pattern 110108 (amendment), and the access to 4D, the roller fixing structure of the present invention passes through the above-mentioned limit space formed by the missing portion of the machine and the second roller structure. Month b~ Add accuracy, convenience and safety when replacing the item to be printed. The above-described embodiments are merely illustrative of the principles of the invention and its utility is not intended to limit the invention. Anyone who is familiar with the art can modify and culture the above embodiments in accordance with the spirit and scope of the invention. Therefore, the scope of protection of the present invention should be as set forth in the scope of the patent application to be described later. [Simplified description of the drawings] [Description of main components] 11 Lower housing 111 ' 112 pivoting portion Hla > 112a Pivot hole 12 Upper housing 12a > 12b Side 121, 122 Missing portions 121a, 122a Guide Portion 121b, 122b Restriction portion 121c' 122c Convex portion 123 > 124 Pivot member 13 Second roller 13a, 13b End portion 131 > 132 Polar axis Fig. 1 is a schematic view showing the application of the roller fixing structure of the present invention. 12 110108 (amendment) 1322790

133 Friction unit 134 Transmission parts 14a, 14b Limiting groove 2 Printing device 21 Printing unit 221 Friction unit 22 First roller 22a, 22b Side 23 Transmission part 3 Object to be printed

13 110108 (amendment)

Claims (1)

1322790 X. Patent application scope: - A roller fixing structure is applied to a printing device, which has a printing order for coloring on an input object to be printed, and is used for providing the object to be printed. Through the printing single M axis, the roller fixing structure comprises: a rolling and printing unit, the first roller and the pivoting portion; The upper casing is disposed in parallel above the lower body, and lives on the lower casing. The two side edges of the upper casing are respectively an clamping portion of the lower casing extending. The clamping portion has a guiding portion. The portion and the limiting portion have a convex portion having a relative spacing and a spacing; the threading member has a pivot at the opposite ends, the pivoting thread passes through the guiding portion; and the ^= limiting slot Provided on the two sides of the first roller for receiving the axis of the second roller and defining a moving position of the pivot, wherein the width and length of the guiding portion are slightly larger than the second roller The shaft diameter of the shaft pivotal portion is smaller than the shaft diameter of the pivot shaft of the second roller shaft, and the pivot shaft pivots when the upper casing covers the lower casing The second roller connected to the pivoting portion is positioned to transmit the object to be printed with the first roller, and to provide a position for the object to be printed to pass through the printing unit. 2. The roller fixing structure of claim 1, wherein the second roller and the second roller intermediate ring are provided with a friction unit for improving the accuracy of the document to be printed through the printing unit. . 14 110108 (Revised) 3·=Please patent the scope of the item] Roller 4. The early Yuan is the material of the Oakson material. ,,,. Constituting 'the 'Motor Rushen May patent Fantu flute ^ s. (5) brother] the roller of the fixed fixed gentleman Ganshan, a second roll +』, long, mouth structure, of which at least 5 The utility model has a transmission part for a card and a hundred-moving device, and the printing device is spliced and buckled. For example, if the scope of application for patents & (5) is one of the divisions, the movement will be passive and will be 疋,·,. Structure, wherein the transmission passive gear 'the transmission part is the active claim patent scope item 】: the housing complex has a 斟幡 ^ 疋 ... structure, wherein the upper foot # position # should be the lower housing The pivoting member of the splicing portion is pivotally connected to the lower casing to stably cover the lower casing. The (4) upper casing, as in the scope of claim 6, the joint has a pivoting π 神 疋 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ^. In the roller fixed structure of the sixth item, in the middle, the % joint is a pivot, and then, the 枢, the pivot, such as the joint (4), should be pivoted. U is a printer, fax machine or photocopier. ============================================================================================== The roller structure of the item 者 彳 围 Η Η , , , , , ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ The ribbon prints one of the modules. , 110108 (amendment) 15