CN217495646U - Anti-reverse ribbon cartridge - Google Patents

Abstract

The utility model provides a prevent ribbon cartridge of reversal, ribbon cartridge includes: the box body is internally provided with a rotatable winding wheel and a rotatable supply wheel, and the side wall of the winding wheel is provided with a rotation stopping part; the cover body is arranged on the box body in a covering mode, a limiting part is arranged on the inner wall, close to the box body, of the cover body, and the limiting part is abutted to the rotation stopping part along the first rotation direction so as to prevent the winding wheel from rotating along the first rotation direction; and the ribbon roll is accommodated in the box body, one end of the ribbon roll is connected with the supply wheel, and the other end of the ribbon roll is connected with the winding wheel. The application provides an anti-reversing ribbon box can prevent that the ribbon in the ribbon box from reversing, improves ribbon printing quality.

Description

Anti-reverse ribbon cartridge

[ technical field ] A method for producing a semiconductor device

The utility model relates to a print technical field, especially relate to a prevent ribbon cartridge of reversal.

[ background of the invention ]

In a conventional tape printer, a heating member of a printing head melts toner on an ink ribbon (or a thermal ribbon) to transfer desired characters, marks, and the like onto a specific medium. A tape cassette is provided with a ribbon roll and a printing medium roll arranged in a casing at the same time, and directly matches the ribbon with the printing medium in the same length for printing. Another tape cassette is provided with only a ribbon roll in a housing, and a user selects a print medium by himself, and the print medium is not limited to a conventional label tape but may be a sleeve tape. By providing the ink ribbon cassette separately, the entire cassette is used only to accommodate the ink ribbon, and the user can not only have a choice of more media types, but also have a longer life for the cassette.

When the ribbon cartridge is idle, the ribbon in the cartridge is loosened due to the reverse rotation of the winding wheel, so that when the ribbon cartridge is placed into a printing device for first printing, the ribbon is not sufficient in force to cause the printing trace to be fuzzy or defective, even a part of the printing trace cannot be printed, and therefore the problem of reverse rotation of the ribbon cartridge in the ribbon cartridge needs to be solved urgently.

[ Utility model ] A method for manufacturing a semiconductor device

The utility model provides a prevent ribbon cartridge of reversion can prevent that the typewriter ribbon in the ribbon cartridge from reversing, improves typewriter ribbon printing quality.

The utility model provides a prevent ribbon cartridge of inversion, ribbon cartridge includes:

the winding device comprises a box body, a winding wheel and a supply wheel, wherein the box body is internally provided with the rotatable winding wheel and the supply wheel, and the side wall of the winding wheel is provided with a rotation stopping part;

the cover body is arranged on the box body in a covering mode, a limiting part is arranged on the inner wall, close to the box body, of the cover body, and the limiting part is abutted to the rotation stopping part along a first rotating direction so as to prevent the winding wheel from rotating along the first rotating direction; and

and the color ribbon roll is accommodated in the box body, one end of the color ribbon roll is connected with the supply wheel, and the other end of the color ribbon roll is connected with the winding wheel.

In a possible embodiment, the rotation stop portion includes a plurality of ribs arranged on the sidewall of the winding wheel at intervals along the circumferential direction.

In a possible embodiment, the limiting portion includes at least one protrusion formed by protruding the cover body near the inner wall of the box body, and the protrusion interferes with the rib along the first rotation direction.

In a possible embodiment, the rib includes a first abutting surface and a first sliding surface that are opposite to each other, the protrusion includes a second abutting surface and a second sliding surface that are opposite to each other, and the first abutting surface abuts against the second abutting surface along a first rotation direction; the first sliding surface is in sliding contact with the second sliding surface along a second rotation direction, and the first rotation direction is opposite to the second rotation direction.

In a possible embodiment, the first abutment surface of the bead is perpendicular to the side wall; the first sliding surface is disposed obliquely with respect to the side wall.

In a possible implementation manner, the limiting portion includes two protruding blocks formed by protruding the cover body close to the inner wall of the box body, and the two protruding blocks are symmetrically arranged along the circumferential direction.

In a feasible implementation manner, the inner wall of the cover body close to the box body is further provided with a circular arc-shaped positioning part, the side surface of the winding wheel is provided with a circular ring rib, and the positioning part is matched with the circular ring rib.

In a possible embodiment, a plurality of glue columns for guiding the movement of the ribbon are further arranged in the box body.

In a possible embodiment, at least one of the glue columns is sleeved with a rotatable roller.

In a possible embodiment, the side wall of the box body is provided with at least one elastic positioning piece.

After adopting above-mentioned technical scheme, beneficial effect is:

according to the anti-reversing ribbon cartridge provided by the embodiment, the rotation stopping part is arranged on the side wall of the winding wheel of the ribbon cartridge, the limiting part is arranged on the cover body of the ribbon cartridge and can be abutted against the rotation stopping part, so that the winding wheel is prevented from rotating along the first rotating direction, accessories such as a torsion spring leaf or a tensioning wheel and the like for preventing the winding wheel from reversing are not required to be arranged independently, the overall structure is simple, the conditions that the defective products are caused due to neglected installation or mistaken installation of the accessories, or the conditions that the ribbon cartridge needs to be disassembled again for installation and the like due to the fact that the accessories cannot be installed at proper positions are avoided. The ribbon can be prevented from being reversed under the condition of not influencing the normal winding of the ribbon in the ribbon box by the rotation stopping part and the limiting part which are integrally arranged, and the printing quality of the ribbon is improved.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an ink ribbon cassette provided in the present application;

fig. 2 is a schematic structural diagram of a case body of the ribbon cartridge provided by the present application;

fig. 3 is a schematic structural diagram of a cover body of an ink ribbon cassette provided by the present application;

fig. 4 is a schematic view of an installation state of the ribbon cartridge and the printing apparatus provided by the present application;

fig. 5 is an exploded view of the ribbon cartridge provided herein;

fig. 6 is a schematic structural view of a winding wheel in the ribbon cartridge provided in the present application;

fig. 7 is a partially enlarged view of the region a shown in fig. 3.

[ detailed description ] embodiments

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of an ink ribbon cassette provided in the present application; fig. 2 is a schematic structural diagram of a case body of the ribbon cartridge provided by the present application; fig. 3 is a schematic structural diagram of a cover body of an ink ribbon cassette provided by the present application; as shown in fig. 1 to 3, the present application provides an ink ribbon cassette, in which an ink ribbon cassette 10 has a substantially rectangular parallelepiped structure, and the ink ribbon cassette includes a cassette body 10, a cover body 20 covering the cassette body 10, and a ribbon roll 30 accommodated in the cassette body 10.

A rotatable winding wheel 12 and a rotatable supply wheel 11 are arranged in the box body 10, and the side wall of the winding wheel 12 is provided with a rotation stopping part 13; the inner wall of the cover 20 close to the box 10 is provided with a limiting portion 21, and the limiting portion 21 abuts against the rotation stopping portion 13 along the first rotation direction to prevent the winding wheel 12 from rotating along the first rotation direction. The ribbon roll 30 is connected at one end to the supply wheel 11 and at the other end to the take-up wheel 12.

In the above scheme, the rotation stopping portion 13 is arranged on the side wall of the winding wheel 12 of the ribbon cartridge, the limiting portion 21 is arranged on the cover body 20 of the ribbon cartridge, and the limiting portion 21 can be abutted against the rotation stopping portion 13, so that the winding wheel 12 is prevented from rotating along the first rotating direction, accessories such as a torsion spring leaf or a tension wheel and the like for preventing the winding wheel 12 from reversing are not required to be arranged independently, the overall structure is simple, defective products caused by neglected installation or wrong installation of the accessories are not easy to occur, or the ribbon cartridge is required to be disassembled again for installation if the accessories are not installed at proper positions. The rotation stop part 13 and the limiting part 21 are integrally arranged, so that the ink ribbon in the ink ribbon box can be prevented from being reversed under the condition of not influencing the normal winding of the ink ribbon in the ink ribbon box, and the printing quality of the ink ribbon is improved.

As shown in fig. 4, one end of the ribbon cassette is provided with a printing port 101 for inserting a printhead 200 of the printing apparatus. The ink ribbon in the ribbon cartridge passes through the print port 101 so that toner on the ink ribbon can be thermally fused to the print medium by the print head 200. The ribbon cartridge is further provided with a rotation support hole 102 penetrating through the cartridge body 10 and the cover body 20, and the rotation support hole 102 is used for inserting a driving shaft 300 of the printing device, so that the driving shaft 300 of the printing device can drive the winding wheel 21 to rotate.

Referring to fig. 2 and 3, the box 10 has a cavity, and the ribbon roll 30 is accommodated in the cavity. A plurality of glue columns for guiding the movement of the ribbon are also arranged in the box body 10. In the present embodiment, the glue columns include solid glue columns and hollow glue columns, and as shown in fig. 2, the glue column 151 is a hollow glue column. Furthermore, the edge of the side wall of the box body is also provided with a plurality of positioning holes 14, correspondingly, the cover body 20 is provided with press nails 23, and the press nails are matched with the hollow rubber columns and the positioning holes 14, so that the box body and the cover body can be detachably connected.

As shown in fig. 2 and 5, the glue columns 152, 153, 154, 155 are all solid glue columns, and the solid glue columns are sleeved with a rotatable roller 15a, so as to facilitate the rotation movement of the ribbon. Illustratively, the roller 15a may be made of plastic, rubber, or silicone, and the toner surface of the ribbon is preferably in contact with the rotatable roller 15a, so as to effectively prevent damage to the toner surface.

The side wall of the box body 10 is provided with at least one elastic positioning piece, and the elastic positioning piece is used for matching with a buckle in a ribbon cassette accommodating part of the printing device so as to realize the installation and fixation of the ribbon cassette in the printing device. In this embodiment, two opposite side walls of the box body are respectively provided with an elastic positioning piece 16, 17. The elastic positioning pieces 16 and 17 are bumps which are arranged in a protruding way relative to the side wall of the box body. In other embodiments, four or more elastic positioning pieces can be arranged on the side wall of the box body. The elastic positioning pieces 16 and 17 have certain elasticity, so that the assembly and disassembly are convenient.

The supply wheel 11 in the case 10 is used to cover the ribbon roll 30. The ribbon roll 30 is connected at one end to the supply wheel 11 and at the other end to the take-up wheel 12.

As shown in fig. 6, the side wall of the winding wheel 12 is provided with a rotation stop part 13. Specifically, the rotation stopper 13 includes a plurality of ribs 131 arranged on the sidewall 12a of the winding wheel 12 at intervals in the circumferential direction. The rib 131 includes a first abutting surface 131a and a first sliding surface 131b opposite to each other. In this embodiment, the rib 131 is integrally formed with the winding wheel 12, and the cross section of the rib 131 is trapezoidal, wherein the first abutting surface 131a of the rib 131 is perpendicular to the sidewall 12a, the first sliding surface 131b is obliquely arranged relative to the sidewall 12a, that is, is an inclined surface, and the inclined surface extends from high to low in the clockwise direction.

As shown in fig. 7, correspondingly, the inner wall of the cover 20 close to the box 10 is provided with a limiting portion 21, the limiting portion 21 includes at least one protrusion 211 formed by protruding the inner wall of the cover 20 close to the box 10, and the protrusion 211 interferes with the rib 131 along the first rotation direction. The stopper 21 is overlapped with the rotation support hole 102 of the cover in the thickness direction of the case.

Specifically, the bump 211 comprises a second abutting surface 211a and a second sliding surface 211b which are opposite to each other, and the second abutting surface 211a abuts against the first abutting surface 131a along the first rotating direction; the second sliding surface 211b is in sliding contact with the first sliding surface 131b in a second rotational direction, which is opposite to the first rotational direction. In this embodiment, the first rotation direction is a counterclockwise rotation direction, and the second rotation direction is a clockwise rotation direction. The limiting part 21 comprises two convex blocks 211 formed by protruding the cover body 20 close to the inner wall of the box body 10, and the two convex blocks 211 are symmetrically arranged along the circumferential direction, so that the winding wheel 12 is more powerful and has better structural stability when being blocked to rotate reversely.

Further, the inner wall of the cover body 20 close to the box body 10 is also provided with a circular arc-shaped positioning portion 22, the side surface of the winding wheel is provided with a circular ring rib 122, and the positioning portion 22 is matched with the circular ring rib 122, so that the pre-positioning of the limiting portion 21 on the cover body 20 and the rotation stopping portion 13 on the winding wheel 12 is realized.

In another embodiment, the rotation stopper 13 may be provided on the inner wall of the lid 20 close to the case 10, and the stopper 21 may be provided on the side wall 12a of the winding wheel. Alternatively, the rib 131 of the rotation stop portion 13 may be designed to have an inwardly recessed quadrangular prism-shaped recess having an inclined surface and a straight surface, and the stopper portion 21 may be rotated by the inclined surface when rotated clockwise, and the abutment surface of the stopper portion 21 may abut against the abutment surface of the recess when reversed counterclockwise, which is a simple modification within the scope of the present application.

In practice, referring to fig. 4, when the ribbon cassette is loaded into the printing apparatus, the print head is inserted into the printing port 101 of the ribbon cassette, and the driving shaft 300 is inserted into the rotation support hole 102 of the ribbon cassette. The driving shaft 300 of the printing device drives the winding wheel 12 to rotate clockwise, the second sliding surface 211b of the protrusion 211 of the limiting part 21 can pass through the first sliding surface 131b of the rotation stopping part 13, and the protrusion 211 cannot limit the clockwise rotation of the winding wheel 12.

The ink ribbon is wound with the toner surface facing inward on the ribbon roll 30, and the ink ribbon first moves upward in the cassette 10, and after the non-toner surface contacts the hollow rubber column 151, the solid rubber columns 153 and 154 on which the rollers 15a are fitted contact with the toner surface to the upper left. The ink ribbon is guided by the solid rubber columns 152 and 153 sleeved with the rollers 15a to penetrate out from the right side of the printing port 101, then the ink ribbon passes through the printing port 101 with the carbon powder surface facing outwards, the carbon powder on the carbon powder surface in the printing port 101 is hot-melted on a printing medium by a printing head, the transferred ink ribbon enters the box body 10 again from the left side of the printing port 101 and is wound on the winding wheel 12 through the solid rubber column 155 sleeved with the rollers 15 a. In the tape path of the ink ribbon, the toner surface of the ink ribbon is preferably in contact with the rotatable roller 15a, and damage to the toner surface can be effectively prevented.

When the winding wheel 12 is idle or receives other reverse external force, the second abutting surface 211a of the projection 211 of the limiting part 21 abuts against the first abutting surface 131a of the rib 131 of the rotation stop part 13, and the counterclockwise rotation of the winding wheel 12 is effectively hindered under the abutting action force of the rib 131.

In this application, set up rotation stopping portion 13 through the lateral wall at the rolling wheel 12 of ribbon cassette, be equipped with spacing portion 21 on the lid 20 of ribbon cassette, spacing portion 21 can with rotation stopping portion 13 butt, thereby the prevention the rolling wheel 12 rotates along first direction of rotation, need not to set up the accessory that prevents rolling wheel 12 and overturn such as torsional spring shell fragment or take-up pulley alone, difficult wrong dress, neglected loading scheduling problem take place, overall structure is simple, be difficult for appearing neglected loading or wrong dress accessory and lead to the defective products, perhaps the accessory installation is not in place and need take the ribbon cassette apart again and install the condition such as. The rotation stop part 13 and the limiting part 21 are integrally arranged, so that the ink ribbon in the ink ribbon box can be prevented from being reversed under the condition of not influencing the normal winding of the ink ribbon in the ink ribbon box, and the printing quality of the ink ribbon is improved.

Any modification, equivalent replacement, improvement and the like made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (10)

1. A reverse rotation prevention ink ribbon cassette, comprising:

the winding device comprises a box body, a winding wheel and a supply wheel, wherein the box body is internally provided with the rotatable winding wheel and the supply wheel, and the side wall of the winding wheel is provided with a rotation stopping part;

the cover body is arranged on the box body in a covering mode, a limiting part is arranged on the inner wall, close to the box body, of the cover body, and the limiting part is abutted to the rotation stopping part along a first rotating direction so as to prevent the winding wheel from rotating along the first rotating direction; and

and the color ribbon roll is accommodated in the box body, one end of the color ribbon roll is connected with the supply wheel, and the other end of the color ribbon roll is connected with the winding wheel.

2. The ribbon cartridge of claim 1, wherein the rotation stop portion includes a plurality of ribs circumferentially spaced apart from one another and disposed on a sidewall of the take-up reel.

3. The ribbon cartridge of claim 2, wherein the limiting portion includes at least one protrusion formed by the cover protruding near an inner wall of the case, the protrusion interfering with the rib in the first rotational direction.

4. The ribbon cartridge of claim 3, wherein the rib includes first and second opposing abutment surfaces and a first sliding surface, and wherein the projection includes second and second opposing sliding surfaces, the first abutment surface abutting the second abutment surface in a first rotational direction; the first sliding surface is in sliding contact with the second sliding surface along a second rotation direction, and the first rotation direction is opposite to the second rotation direction.

5. The ribbon cassette of claim 4, wherein the rib is integrally formed with the take-up wheel, and wherein the first abutment surface of the rib is perpendicular to the side wall, the first sliding surface being disposed obliquely relative to the side wall.

6. The ribbon cartridge of claim 2, wherein the limiting portion includes two projections formed by protruding the cover body near an inner wall of the case body, and the two projections are symmetrically arranged along a circumferential direction.

7. The ribbon cartridge as claimed in claim 2, wherein the cover body is further provided with a circular positioning portion near the inner wall of the cartridge body, and a circular rib is provided on a side surface of the winding wheel, and the positioning portion is engaged with the circular rib.

8. The ribbon cartridge of claim 1, wherein a plurality of glue posts are disposed within the cartridge body for guiding movement of the ribbon.

9. The ribbon cartridge of claim 8, wherein at least one of the glue posts is sleeved with a rotatable roller.

10. The ribbon cartridge of claim 1, wherein the side walls of the cartridge body are provided with at least one resilient positioning element.

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