CN219055797U - Quick loading and unloading carbon ribbon box and carbon ribbon drive assembly - Google Patents

Abstract

The utility model relates to a quick loading and unloading carbon ribbon box and a carbon ribbon driving assembly, which relate to the field of printer carbon ribbon boxes. The carbon tape driving assembly comprises a carbon tape box which is assembled and disassembled rapidly, a first driving clamping groove of the unreeling driving wheel is clamped with the first transmission part, and a second driving clamping groove of the reeling driving wheel is clamped with the second transmission part. The beneficial effects are that: the unreeling shaft and the reeling shaft are convenient to replace. The mounting steps of the carbon ribbon box are simplified, and the carbon ribbon box is convenient to assemble and disassemble.

Description

Quick loading and unloading carbon ribbon box and carbon ribbon drive assembly

Technical Field

The utility model relates to the field of printer carbon ribbon cartridges, in particular to a quick loading and unloading carbon ribbon cartridge and a carbon ribbon driving assembly.

Background

In the existing thermal transfer printer, the carbon ribbon installation mode is generally that a carbon ribbon box is integrally installed on a machine, or a carbon ribbon shaft is directly installed on the machine, and the two modes need to assemble a winding shaft and a unwinding shaft of the carbon ribbon with a transmission shaft of the machine, so that the installation is relatively complex.

Disclosure of Invention

The utility model aims to solve the technical problem of how to enable a carbon ribbon box to be quickly assembled and disassembled to a printer.

The technical scheme for solving the technical problems is as follows: the utility model provides a quick loading and unloading carbon ribbon box, includes that the box is gone up to carbon ribbon box lower box, unreel axle, take-up axle and carbon ribbon box, the carbon ribbon box go up the box with the upper end of box is gone up to the carbon ribbon box can dismantle and be connected, the upper end of box is gone down to the carbon ribbon box has two installation breach, unreel axle with the take-up axle is parallel to each other, and rotatable joint respectively in two in the installation breach, unreel the axle one end stretches out the box is gone down to the carbon ribbon box and has first drive portion, the one end of take-up axle all stretches out the box is gone down to the carbon ribbon box and has second drive portion.

The beneficial effects of the utility model are as follows: the upper box of the carbon ribbon box is detachably connected with the lower box of the carbon ribbon box, so that the unreeling shaft and the reeling shaft are convenient to replace. The first transmission part and the second transmission part are used for being directly clamped with a transmission part of the printer, so that the installation step of the carbon tape box is simplified, and the assembly and the disassembly are convenient.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the unreeling shaft is internally provided with an unreeling supporting hole which is communicated along the axis of the unreeling shaft; the rolling shaft is internally provided with a rolling supporting hole which is communicated along the axis of the rolling shaft.

The beneficial effects of adopting the further scheme are as follows: the supporting shaft on the printer can be inserted into the unreeling supporting hole and the reeling supporting hole, and plays a supporting role on the unreeling shaft and the reeling shaft.

Further, the unreeling supporting hole is divided into a first unreeling hole, a second unreeling hole and a third unreeling hole, wherein the diameters of the first unreeling hole, the second unreeling hole and the third unreeling hole are sequentially reduced along the direction from one end to the other end of the unreeling shaft; the winding support hole is divided into a first winding hole, a second winding hole and a third winding hole, wherein the diameters of the first winding hole, the second winding hole and the third winding hole are sequentially reduced along the direction from one end of the winding shaft to the other end of the winding shaft.

The beneficial effects of adopting the further scheme are as follows: unreeling supporting hole and rolling support Kong Caiyong shoulder hole, the back shaft on the printer of being convenient for inserts unreeling supporting hole and rolling supporting hole, reduces and inserts degree of difficulty and resistance.

Further, the inner wall of the second unreeling hole is provided with a plurality of unreeling inner supporting ribs, the unreeling inner supporting ribs are circumferentially arranged at intervals along the second unreeling hole and axially extend along the second unreeling hole, and the distance from the radial end part of the unreeling inner supporting ribs along the second unreeling hole to the axis of the unreeling shaft is larger than the radius of the third unreeling hole; the inner wall of the second rolling hole is provided with a plurality of inner rolling support ribs, a plurality of inner rolling support ribs are arranged at intervals along the circumference of the second rolling hole and extend along the axial direction of the second rolling hole, and the distance from the radial end part of the second rolling hole to the axis of the rolling shaft is greater than the radius of the third rolling hole.

The beneficial effects of adopting the further scheme are as follows: the unreeling inner supporting ribs and the reeling inner supporting ribs can be abutted with the supporting shaft of the printer to provide support when the unreeling shaft and the reeling shaft incline.

Further, the third unreeling hole and the third reeling hole are provided with draft angles.

The beneficial effects of adopting the further scheme are as follows: the draft angle enables the third unreeling hole and the third reeling hole to be inserted to the outer side of the bearing on the supporting shaft more easily.

Further, the first transmission part is a lug extending outwards along the radial direction of the unreeling shaft, and the second transmission part is a lug extending outwards along the radial direction of the reeling shaft.

The beneficial effects of adopting the further scheme are as follows: the first transmission part is in clamping fit with an unreeling driving wheel of the printer, and transmits torque. The second transmission part is in clamping fit with a winding driving wheel of the printer and transmits torque.

Further, the first transmission parts are arranged at intervals along the circumferential direction of the unreeling shaft, and the second transmission parts are arranged at intervals along the circumferential direction of the unreeling shaft.

The beneficial effects of adopting the further scheme are as follows: the first transmission part and the second transmission part are all provided with a plurality of, and the unreeling shaft and the reeling shaft are all stressed uniformly.

Further, the inner side wall of one of the mounting notches is provided with a foolproof protrusion, the winding shaft is provided with an annular protrusion extending outwards along the radial direction, and the annular protrusion is abutted against the inner side wall of the other mounting notch.

The beneficial effects of adopting the further scheme are as follows: the fool-proof bulges and the annular bulges are used as fool-proof designs, so that the reverse installation of the winding shaft and the unwinding shaft can be avoided. After the rewinding shaft and the unwinding shaft are reversely assembled, the fool-proof protrusions and the annular protrusions touch each other, and the friction force is large during rotation, so that the rewinding shaft cannot be normally used.

Further, the heights of the two sides of the top surface of the upper box of the carbon ribbon box are different.

The beneficial effects of adopting the further scheme are as follows: the heights of the two sides of the top surface of the upper box of the carbon tape box are different, so that the whole carbon tape box can be prevented from being reversely arranged on the printer.

Further, the lower carbon ribbon box, the unreeling shaft, the reeling shaft and the upper carbon ribbon box are made of self-lubricating plastic materials.

The utility model also provides a carbon tape driving assembly, which comprises an unreeling driving wheel, a reeling driving wheel and the rapid-loading and unloading carbon tape box, wherein the unreeling driving wheel is provided with a first driving clamping groove, the first driving clamping groove is clamped with the first transmission part, the reeling driving wheel is provided with a second driving clamping groove, and the second driving clamping groove is clamped with the second transmission part.

Drawings

FIG. 1 is an exploded view of a quick load and unload carbon ribbon cartridge of the present utility model;

FIG. 2 is a cross-sectional view of a carbon ribbon drive assembly of the present utility model;

FIG. 3 is a three-dimensional view of the carbon tape drive assembly of the present utility model with the upper cartridge removed.

In the drawings, the list of components represented by the various numbers is as follows:

1. a lower box of the carbon ribbon box; 101. a mounting notch; 102. fool-proof bulges; 2. a reel is unreeled; 201. a first transmission part; 202. unreeling the supporting hole; 203. unreeling the inner supporting ribs; 3. a winding shaft; 301. a second transmission part; 302. winding a supporting hole; 303. a first winding hole; 304. a second winding hole; 305. a third winding hole; 306. rolling the inner supporting ribs; 307. an annular protrusion; 4. a carbon ribbon box is arranged on the upper box; 401. a box shoulder is arranged on the upper box; 5. unreeling driving wheels; 6. a winding driving wheel; 7. and a support shaft.

Detailed Description

The principles and features of the present utility model are described below with examples given for the purpose of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-3, the present embodiment provides a quick loading and unloading carbon ribbon cartridge, including a lower carbon ribbon cartridge 1, an unwinding shaft 2, a winding shaft 3 and an upper carbon ribbon cartridge 4, the upper carbon ribbon cartridge 4 is detachably connected with the upper end of the lower carbon ribbon cartridge 1, the upper end of the lower carbon ribbon cartridge 1 has two mounting notches 101, the unwinding shaft 2 and the winding shaft 3 are parallel to each other and are respectively rotatably clamped in the two mounting notches 101, one end of the unwinding shaft 2 extends out of the lower carbon ribbon cartridge 1 and has a first transmission portion 201, and one end of the winding shaft 3 extends out of the lower carbon ribbon cartridge 1 and has a second transmission portion 301.

The upper box 4 of the carbon ribbon box is detachably connected with the lower box 1 of the carbon ribbon box, so that the unreeling shaft 2 and the reeling shaft 3 are convenient to replace. The first transmission part 201 and the second transmission part 301 are used for being directly clamped with transmission parts of the printer, so that the installation steps of the carbon tape box are simplified, and the assembly and the disassembly are convenient.

In one embodiment, the upper carbon ribbon cartridge 4 is connected with the lower carbon ribbon cartridge 1 through a clamping hook and a clamping groove, and the assembly and disassembly are convenient. Alternatively, the upper cartridge 4 and the lower cartridge 1 may be detachably connected by bolts.

Specifically, as shown in fig. 1, the installation notch 101 is a U-shaped notch, the corresponding position of the upper box 4 of the carbon ribbon box may not have a notch, and may also be provided with an arc-shaped or trapezoid-shaped notch correspondingly, after the upper box 4 of the carbon ribbon box is connected with the lower box 1 of the carbon ribbon box after the lower box 2 of the carbon ribbon box is installed in the corresponding installation notch 101, and the upper box 4 of the carbon ribbon box is pressed against the lower box 1 of the carbon ribbon box to prevent the upper box 2 and the lower box 3 of the carbon ribbon box from moving up and down, and the upper box 2 and the lower box 3 of the carbon ribbon box can rotate around their axes in the installation notch 101. Alternatively, the mounting notch 101 may be a semicircular notch, and a symmetrical semicircular notch is formed at a corresponding position on the upper case 4 of the carbon ribbon case.

In any of the above embodiments, the unreeling shaft 2 has an unreeling supporting hole 202 penetrating along its axis; the winding shaft 3 is internally provided with a winding support hole 302 penetrating along the axis thereof.

The supporting shaft 7 on the printer can be inserted into the unreeling supporting hole 202 and the reeling supporting hole 302 to support the unreeling shaft 2 and the reeling shaft 3.

On the basis of any one of the above schemes, the unreeling supporting hole 202 is divided into a first unreeling hole, a second unreeling hole and a third unreeling hole with diameters decreasing in sequence along the direction from one end to the other end of the unreeling shaft 2; the winding support hole 302 is divided into a first winding hole 303, a second winding hole 304 and a third winding hole 305 with diameters decreasing in sequence along the direction from one end to the other end of the winding shaft 3.

The unreeling support hole 202 and the reeling support hole 302 adopt stepped holes, so that a support shaft on the printer is conveniently inserted into the unreeling support hole 202 and the reeling support hole 302, and the inserting difficulty and the resistance are reduced.

Specifically, the third unreeling hole and the third reeling hole 305 are used for being sleeved outside the bearing of the supporting shaft 7.

On the basis of any one of the above schemes, the inner wall of the second unreeling hole is provided with a plurality of unreeling inner supporting ribs 203, the plurality of unreeling inner supporting ribs 203 are circumferentially arranged at intervals along the second unreeling hole and axially extend along the second unreeling hole, and the distance from the radial end part of the unreeling inner supporting ribs 203 along the second unreeling hole to the axis of the unreeling shaft 2 is larger than the radius of the third unreeling hole; the inner wall of the second winding hole 304 has a plurality of inner winding ribs 306, a plurality of inner winding ribs 306 are circumferentially arranged at intervals along the second winding hole 304 and axially extend along the second winding hole, and the distance from the radial end of the inner winding ribs 306 along the second winding hole 304 to the axis of the winding shaft 3 is greater than the radius of the third winding hole 305.

The unreeling inner supporting rib 203 and the reeling inner supporting rib 306 can be abutted with a supporting shaft of the printer to provide support when the unreeling shaft 2 and the reeling shaft 3 incline.

Specifically, the plurality of unreeling inner support bars 203 are uniformly distributed along the circumferential direction of the second unreeling hole. The plurality of inner rolling support ribs 306 are uniformly distributed along the circumferential direction of the second rolling hole 304.

On the basis of any one of the above schemes, the third unreeling hole and the third reeling hole 305 have draft angles.

The draft angle makes it easier for the third unwind and third wind-up apertures 305 to be inserted outside of the bearing on the support shaft.

Specifically, the draft angle of the third unreeling hole means: the diameter of the third unwinding hole gradually decreases from one end to the other end of the unwinding shaft 2. The draft angle of the third winding hole 305 means: the diameter of the third winding hole 305 gradually decreases from one end to the other end of the winding shaft 3.

On the basis of any one of the above solutions, the first transmission portion 201 is a protrusion extending radially outwards along the unwinding shaft 2, and the second transmission portion 301 is a protrusion extending radially outwards along the winding shaft 3.

The first transmission part 201 is in clamping fit with the unreeling driving wheel 5 of the printer, and transmits torque. The second transmission part 301 is in clamping fit with the winding driving wheel 6 of the printer, and transmits torque.

Alternatively, the first transmission portion 201 and the second transmission portion 301 may be other transmission structures that are easy to be assembled and disassembled, such as a spline.

In any of the above embodiments, the first transmission portion 201 is provided in plurality at intervals along the circumferential direction of the unwinding shaft 2, and the second transmission portion 301 is provided in plurality at intervals along the circumferential direction of the winding shaft 3.

The first transmission part 201 and the second transmission part 301 are provided with a plurality of transmission parts, and the unreeling shaft 2 and the reeling shaft 3 are uniformly stressed.

In one particular embodiment, the plurality of first transmission portions 201 are uniformly distributed along the circumferential direction of the payout shaft 2. The plurality of second transmission parts 301 are uniformly distributed along the circumferential direction of the winding shaft 3.

On the basis of any one of the above solutions, as shown in fig. 3, a foolproof protrusion 102 is provided on the inner side wall of one group of the installation notches 101, and the winding shaft 3 has an annular protrusion 307 extending radially outwards, and the annular protrusion 307 abuts against the inner side wall of the other installation notch 101.

The fool-proof protrusion 102 and the annular protrusion 307 are used as fool-proof designs, so that the winding shaft 3 and the unwinding shaft 2 can be prevented from being reversely assembled. After the rewinding shaft 3 and the unwinding shaft 2 are reversely assembled, the fool-proof protrusions 102 and the annular protrusions 307 touch each other, and friction force is large during rotation, so that normal use cannot be achieved. Specifically, the fool-proof projection 102 projects axially outwardly of the payout shaft 2 from the inner side wall of the mounting recess 101.

On the basis of any scheme, the heights of the two sides of the top surface of the upper box 4 of the carbon ribbon box are different.

The heights of the two sides of the top surface of the upper box 4 of the carbon tape box are different, so that the whole carbon tape box can be prevented from being reversely arranged on the printer.

Specifically, as shown in fig. 1, two sides of the top surface of the upper carbon ribbon cartridge 4 are respectively referred to as two upper cartridge shoulders 401, the distance from the upper cartridge shoulder 401 to the bottom surface of the lower carbon ribbon cartridge 1 is referred to as the height thereof based on the bottom surface of the lower carbon ribbon cartridge 1, and the heights of the two upper cartridge shoulders 401 are different. At the mounting position of the carbon ribbon cartridge, a limit structure can be fixedly arranged on the lower side of the upper cartridge shoulder 401, and when the carbon ribbon cartridge is used, the limit structure is close to the upper cartridge shoulder 401 on the side. In this way, if the two sides of the carbon ribbon cartridge are reversely assembled, the higher upper cartridge shoulder 401 is propped against the limiting structure, and cannot be normally assembled, so that the foolproof design is realized.

On the basis of any one of the above schemes, the lower carbon ribbon cartridge 1, the unwinding shaft 2, the winding shaft 3 and the upper carbon ribbon cartridge 4 are made of self-lubricating plastic materials.

As shown in fig. 2 and 3, the present utility model further provides a carbon ribbon driving assembly, which includes an unreeling driving wheel 5, a reeling driving wheel 6, and the quick-loading and unloading carbon ribbon box, where the unreeling driving wheel 5 has a first driving slot, the first driving slot is clamped with the first transmission portion 201, the reeling driving wheel 6 has a second driving slot, and the second driving slot is clamped with the second transmission portion 301.

Specifically, the device further comprises two support shafts 7, wherein the two support shafts 7 are fixedly arranged and respectively detachably inserted into the unreeling support hole 202 and the reeling support hole 302.

Specifically, as shown in fig. 2, the winding driving wheel 6 and the winding shaft 3 are sleeved on the corresponding supporting shaft 7 through bearings, the third winding hole 305 has a draft angle, and after the winding shaft 3 is inserted on the supporting shaft 7, the third winding hole 305 is in interference fit with the corresponding bearing; the unreeling driving wheel 5 and the unreeling shaft 2 are sleeved on the corresponding supporting shaft 7 through bearings, the third reeling hole 305 is provided with a draft angle, and after the unreeling shaft 2 is inserted on the supporting shaft 7, the third unreeling hole is in interference fit with the corresponding bearing.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "axial", "radial", "circumferential", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

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

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The utility model provides a quick loading and unloading carbon ribbon box, its characterized in that, box (4) on box (1), unreel spool (2), rolling axle (3) and carbon ribbon box under box (1) under box (4) on the carbon ribbon box with the upper end of box (1) under the carbon ribbon box is dismantled and is connected, the upper end of box (1) under the carbon ribbon box has two installation breach (101), unreel spool (2) with rolling axle (3) are parallel to each other, and rotatable joint respectively in two in installation breach (101), the one end of unreel spool (2) stretches out box (1) under the carbon ribbon box and have first drive portion (201), the one end of rolling axle (3) all stretches out box (1) under the carbon ribbon box and have second drive portion (301).

2. A quick-release cartridge as claimed in claim 1, wherein said reel (2) has an unwinding support hole (202) extending through along its axis; the winding shaft (3) is internally provided with a winding supporting hole (302) which is communicated along the axis of the winding shaft.

3. A quick loading and unloading carbon ribbon cartridge according to claim 2, wherein the unreeling support hole (202) is divided into a first unreeling hole, a second unreeling hole and a third unreeling hole, which are sequentially reduced in diameter, along a direction from one end to the other end of the unreeling shaft (2); the winding support hole (302) is divided into a first winding hole (303), a second winding hole (304) and a third winding hole (305) with diameters sequentially reduced along the direction from one end to the other end of the winding shaft (3).

4. A quick loading and unloading carbon ribbon cartridge according to claim 3, wherein the inner wall of the second unreeling hole is provided with a plurality of unreeling inner supporting ribs (203), the unreeling inner supporting ribs (203) are circumferentially arranged at intervals along the second unreeling hole and axially extend along the second unreeling hole, and the distance from the radial end of the unreeling inner supporting ribs (203) along the second unreeling hole to the axis of the unreeling shaft (2) is larger than the radius of the third unreeling hole; the inner wall of the second rolling hole (304) is provided with a plurality of rolling inner supporting ribs (306), a plurality of rolling inner supporting ribs (306) are arranged at intervals along the circumferential direction of the second rolling hole (304) and extend along the axial direction of the second rolling hole, and the distance from the radial end part of the second rolling hole (304) to the axis of the rolling shaft (3) is greater than the radius of the third rolling hole (305).

5. A quick release carbon ribbon cartridge as defined by claim 3 wherein said third unwind and said third wind-up apertures (305) each have draft angles.

6. A quick release carbon ribbon cartridge as claimed in claim 1, wherein said first transmission portion (201) is a projection extending radially outwardly of said unwind shaft (2) and said second transmission portion (301) is a projection extending radially outwardly of said wind-up shaft (3).

7. A quick-release carbon tape cartridge as claimed in claim 6, wherein said first transmission portion (201) is provided in plural at intervals along the circumferential direction of said unwinding shaft (2), and said second transmission portion (301) is provided in plural at intervals along the circumferential direction of said winding shaft (3).

8. A quick-release carbon tape cartridge as claimed in any one of claims 1 to 7, wherein one of said mounting notches (101) has a foolproof protrusion (102) on an inner side wall thereof, and said take-up reel (3) has an annular protrusion (307) extending radially outwardly, said annular protrusion (307) abutting against an inner side wall of the other of said mounting notches (101).

9. A quick release carbon cartridge as claimed in any one of claims 1 to 7 wherein the top surface of the cartridge (4) is of different heights on either side.

10. A carbon ribbon drive assembly, characterized by comprising an unreeling drive wheel (5), a reeling drive wheel (6) and a quick loading and unloading carbon ribbon box according to any one of claims 1-9, wherein the unreeling drive wheel (5) is provided with a first drive clamping groove, the first drive clamping groove is clamped with a first transmission part (201), and the reeling drive wheel (6) is provided with a second drive clamping groove, and the second drive clamping groove is clamped with a second transmission part (301).

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