CN212219690U

CN212219690U - Composite thermal transfer ribbon

Info

Publication number: CN212219690U
Application number: CN201922310099.6U
Authority: CN
Inventors: 王强
Original assignee: Guangzhou Platinum High Marking Technology Co ltd
Current assignee: Guangzhou Platinum High Marking Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-12-25
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a compound heat-transfer seal typewriter ribbon, including typewriter ribbon and axle core, the terminal surface middle part of axle core is equipped with the through-hole, evenly be equipped with a plurality of spacing holes on the terminal surface between the terminal surface border of axle core and the through-hole, and one side of axle core is equipped with the clamping device who is used for centre gripping typewriter ribbon tip. The utility model discloses a set up several spacing holes again on the terminal surface of axle core, and spacing hole site is between the terminal surface border and the through-hole of axle core, does not influence the axle core and passes through the through-hole and use on production facility, when using on the printer simultaneously, realizes the location through spacing hole, avoids because of the inside too smooth mellow and full of through-hole, the phenomenon of skidding appears under the effect of the tensioning force when leading to printing.

Description

Composite thermal transfer ribbon

Technical Field

The utility model relates to a heat-transfer seal typewriter ribbon technical field specifically is a compound heat-transfer seal typewriter ribbon.

Background

The thermal transfer ribbon is a product with wide application and huge consumption, and has a high market share as a special printing consumable output by non-contact computer peripheral hardware.

Thermal transfer typewriter ribbon contains two parts, typewriter ribbon and axle core, common axle core divide into paper and plastics two kinds, during the use, fix the inside at the printer with the typewriter ribbon through the axle core, and make axle core and the inside fixing device firm in connection of printing apparatus, but current axle core is the convenient rolling typewriter ribbon, inside all is more smooth mellow and more, and in order to avoid appearing sliding when printing, effect and quality are printed in the influence, all can die the axle core is fixed, this will bring another problem again, if locking force is too big, then can lead to the axle core of paper or plastics material to receive extrusion deformation, if locking force is not enough, then the phenomenon of skidding will appear, make the printing quality descend.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound heat-transfer seal typewriter ribbon to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a composite thermal transfer ribbon comprises a ribbon and a shaft core, wherein a through hole is formed in the middle of the end face of the shaft core, a plurality of limiting holes are uniformly formed in the end face between the edge of the end face of the shaft core and the through hole, and a clamping device for clamping the end part of the ribbon is arranged on one side of the shaft core;

the limiting hole is a hole penetrating through the shaft core, the limiting hole is annularly arranged around the through hole, a groove is formed in the middle of the inner side of the limiting hole, a U-shaped clamp spring is arranged on the inner side of the groove, and the minimum distance between the U-shaped clamp springs is smaller than the diameter of the limiting hole;

the clamping device comprises a cover plate with an arc structure, the cover plate is matched with a corresponding clamping groove on the arc side of the shaft core, a hook nail is arranged on one side of the cover plate corresponding to the clamping groove, and the arc surface on the outer side of the cover plate) is aligned with the arc side surface of the shaft core.

The inner wall of the clamping groove is provided with a pin, and the clamping groove is rotatably connected with the cover plate through the pin.

The inner side of the clamping groove is provided with a nail hole matched with the hook nail, and the hook nail is in interference fit with the nail hole.

The shaft core is made of hard plastic, the width of the shaft core is larger than that of the color band, and a positioning groove is formed in the arc surface of the shaft core.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up several spacing holes again on the terminal surface of axle core, and spacing hole site is between the terminal surface border and the through-hole of axle core, does not influence the axle core and passes through the through-hole and use on production facility, when using on the printer simultaneously, realizes the location through spacing hole, avoids because of the inside too smooth mellow and full of through-hole, leads to the phenomenon of skidding appearing under the effect of tensioning force when printing.

2. The utility model discloses in, all be equipped with the U-shaped jump ring through the inboard middle part in spacing hole, when shaft-like object alternates in spacing downthehole portion, the U-shaped jump ring can with the groove cooperation that corresponds on the shaft-like object, not only can realize the location, can also realize the locking function, when installing the axle core on the printer, need not to reuse fixed establishment, only need to correspond the U-shaped jump ring of spacing downthehole portion and the groove cooperation on the shaft-like object can realize the fixed of position, thereby avoid counter shaft core to realize locking, and then lead to the too big problem that leads to the axle core to warp of locking force.

3. The utility model discloses in, because the typewriter ribbon can scribble emollient in order to prevent to beat the wearing and tearing and the damage of printer head usually on the one side that does not have the fat liquoring, nevertheless can lead to when the typewriter ribbon surplus is not too much like this, the typewriter ribbon can loosen from the axle core under the effect of tensioning force, and fixes the one end of typewriter ribbon on the axle core through clamping device, then can avoid the aforesaid for the problem, also more simple and convenient on the axle core with the end fixing of typewriter ribbon simultaneously.

Drawings

Fig. 1 is a side view of the present invention;

FIG. 2 is a schematic structural view of the central spindle of the present invention;

FIG. 3 is a schematic structural view of a U-shaped clamp spring of the present invention;

FIG. 4 is a schematic structural view of the middle cover plate of the present invention;

fig. 5 is a schematic structural view of the slot in the present invention;

fig. 6 is a side view of the central spindle of the present invention.

In the figure: 1. a color band; 2. a shaft core; 3. a through hole; 4. a limiting hole; 5. a groove; 6. a U-shaped clamp spring; 7. A cover plate; 8. a card slot; 9. hooking a nail; 10. a pin; 11. nailing holes; 12. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a compound thermal transfer typewriter ribbon, includes typewriter ribbon 1 and axle core 2, and the terminal surface middle part of axle core 2 is equipped with through-hole 3, evenly is equipped with a plurality of spacing holes 4 on the terminal surface between the terminal surface border of axle core 2 and through-hole 3, and one side of axle core 2 is equipped with the clamping device who is used for the 1 tip of centre gripping typewriter ribbon.

Improve the structure of axle core 2, set up several spacing holes 4 again on the terminal surface of axle core 2, and spacing hole 4 is located between the terminal surface border and the through-hole 3 of axle core 2, does not influence axle core 2 and uses on production facility through-hole 3, when using on the printer simultaneously, realizes the location through spacing hole 4, avoids too smooth and mellow because of through-hole 3 is inside, leads to the phenomenon of skidding to appear under the effect of tensioning force when printing.

Spacing hole 4's inboard middle part all is equipped with U-shaped jump ring 6, when shaft-like object alternates into spacing hole 4 inside, U-shaped jump ring 6 can with the groove cooperation that corresponds on the shaft-like object, not only can realize the location, can also realize the locking function, when installing axle core 2 on the printer, need not to reuse fixed establishment, only need to correspond the groove cooperation on U-shaped jump ring 6 of spacing hole 4 inside and the shaft-like object and can realize the fixed of position, thereby avoid realizing locking to axle core 2, and then lead to the too big problem that leads to axle core 2 to warp of locking force.

Since the ink ribbon 1 is usually coated with lubricant on the side not coated with ink to prevent the abrasion and damage of the print head, but this also results in that when the remaining amount of the ink ribbon 1 is small, the ink ribbon 1 is loosened from the spool 2 by the tension force, and one end of the ink ribbon 1 is fixed on the spool 2 by the clamping device, the above-mentioned problem can be avoided, and it is also easier and more convenient to fix the end of the ink ribbon 1 on the spool 2.

Wherein, spacing hole 4 is the hole of running through axle core 2, spacing hole 4 is cyclic annular around through-hole 3 and arranges, the inboard middle part in spacing hole 4 is equipped with recess 5, the inboard of recess 5 is equipped with U-shaped jump ring 6, minimum interval between U-shaped jump ring 6 is less than the diameter in spacing hole 4, the groove cooperation that corresponds on U-shaped jump ring 6 and the shaft-like object forms locking and positioning action, and when installing axle core 2 on the printer, need not to reuse fixed establishment, only need U-shaped jump ring 6 all can realize the fixed of position with the groove cooperation on the shaft-like object, thereby avoid realizing locking to axle core 2, and then lead to the too big problem that leads to axle core 2 to warp of locking force.

Wherein, clamping device includes circular arc structure's apron 7, and apron 7 cooperates with the draw-in groove 8 that corresponds on the 2 circular arc sides of axle core, and one side that apron 7 corresponds draw-in groove 8 is equipped with hook 9, and the arc surface in the apron 7 outside aligns with the circular arc side of axle core 2, can be simply quick fix the tip of typewriter ribbon 1 on axle core 2, the rolling and the centre gripping of the axle core 2 of being convenient for.

Wherein, be equipped with pin 10 on the inner wall of draw-in groove 8, draw-in groove 8 rotates through pin 10 and apron 7 to be connected, and apron 7 rotates through the lateral wall of pin 10 with draw-in groove 8 to be connected, because axle core 2 is the plastics material, is convenient for apron 7 and draw-in groove 8's installation dismantlement.

Wherein, the inboard of draw-in groove 8 is equipped with the nail hole 11 that matches with hook nail 9, and hook nail 9 and 11 interference fit of nail hole realize apron 7 and draw-in groove 8 further locking.

Wherein, axle core 2 adopts the rigid plastic material, and the width of axle core 2 is greater than the width of typewriter ribbon 1, and is equipped with constant head tank 12 on the arc surface of axle core 2, and the plastics material makes axle core 2 can adopt injection molding process to produce, and the cost is lower, and the degree of depth of constant head tank 12 is lighter simultaneously, gives vent to anger at the rolling of typewriter ribbon 1 and can play spacing effect of leading.

The working principle is as follows: improve the structure of axle core 2, set up several spacing holes 4 again on the terminal surface of axle core 2, and spacing hole 4 is located between the terminal surface border and the through-hole 3 of axle core 2, does not influence axle core 2 and uses on production facility through-hole 3, when using on the printer simultaneously, realizes the location through spacing hole 4, avoids too smooth and mellow because of through-hole 3 is inside, leads to the phenomenon of skidding to appear under the effect of tensioning force when printing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A composite thermal transfer ribbon comprises a ribbon (1) and a shaft core (2), and is characterized in that a through hole (3) is formed in the middle of the end face of the shaft core (2), a plurality of limiting holes (4) are uniformly formed in the end face between the edge of the end face of the shaft core (2) and the through hole (3), and a clamping device used for clamping the end portion of the ribbon (1) is arranged on one side of the shaft core (2);

the limiting hole (4) penetrates through the shaft core (2), the limiting hole (4) is annularly arranged around the through hole (3), a groove (5) is formed in the middle of the inner side of the limiting hole (4), a U-shaped clamp spring (6) is arranged on the inner side of the groove (5), and the minimum distance between the U-shaped clamp springs (6) is smaller than the diameter of the limiting hole (4);

clamping device includes apron (7) of circular arc structure, corresponding draw-in groove (8) cooperation on apron (7) and axle core (2) circular arc side, one side that apron (7) correspond draw-in groove (8) is equipped with hook nail (9), the arc surface in apron (7) outside aligns with the circular arc side of axle core (2).

2. The composite thermal transfer ribbon of claim 1, wherein: be equipped with pin (10) on the inner wall of draw-in groove (8), draw-in groove (8) are connected with apron (7) rotation through pin (10).

3. The composite thermal transfer ribbon of claim 1, wherein: the inside of draw-in groove (8) is equipped with nail hole (11) with hook nail (9) matching, and hook nail (9) and nail hole (11) interference fit.

4. The composite thermal transfer ribbon of claim 1, wherein: the shaft core (2) is made of hard plastic, the width of the shaft core (2) is larger than that of the color band (1), and a positioning groove (12) is formed in the arc surface of the shaft core (2).