CN213228055U

CN213228055U - Prevent printer of carbon ribbon support deformation

Info

Publication number: CN213228055U
Application number: CN202021010581.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiamen Hanyin Electronic Technology Co Ltd
Current assignee: Xiamen Hanyin Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-05-18
Anticipated expiration: 2030-06-04

Abstract

The utility model provides a prevent printer of carbon ribbon support deformation, including base and upper cover, be equipped with the support of pre-installation carbon ribbon subassembly on the base, the support includes the thin slice of middle part fretwork, both ends downwardly extending forms carbon ribbon subassembly supporting part about the thin slice, the upper cover is equipped with the portion of compressing tightly, be equipped with on the support with the portion complex plastic portion compresses tightly, the upper cover lid is fashionable, the portion of compressing tightly compresses tightly plastic portion. The utility model relates to a simple and convenient structure eliminates support warp deformation to the influence of product function, reduces the deformation management and control requirement to the support.

Description

Prevent printer of carbon ribbon support deformation

Technical Field

The utility model relates to a printer technical field particularly, relates to a prevent printer of carbon ribbon support deformation.

Background

With the popularization and application of thermal printers, the thermal printers are used in automatic teller machines of banks, cash registers of supermarkets and delivery places of e-commerce, especially printing of the e-commerce industry and the express delivery industry is rapidly increased, and higher requirements are provided for the stability, durability, printing base materials, printing modes and diversity of paper outlet modes of the printers.

The existing carbon ribbon support is a slender thin-walled piece, two ends of the existing carbon ribbon support are easy to warp and deform in the using process, other parts arranged at two ends of the carbon ribbon support deviate from the designed installation positions and are matched with a connecting piece arranged on a base to generate deviation, and certain influence is caused on the functions of the whole carbon ribbon support.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a prevent printer of carbon ribbon support deformation, simple structure, the operation is convenient, aims at improving the problem that the carbon ribbon support warp the perk.

The utility model adopts the following scheme:

the utility model provides a prevent printer of carbon ribbon support deformation, includes base and upper cover, be equipped with the support that the pre-installation had the carbon ribbon subassembly on the base, the support includes the thin slice of middle part fretwork, both ends downwardly extending forms carbon ribbon subassembly supporting part about the thin slice, the upper cover is equipped with the portion of compressing tightly, be equipped with on the support with the portion complex plastic portion compresses tightly, when the upper cover lid, the portion of compressing tightly compresses tightly plastic portion.

As a further improvement, the middle part of the base sinks to form a printing area, the support is installed on the printing area, and the shaping parts are arranged at two end parts of the support and are close to two side surfaces of the printing area.

As a further improvement, the shaping part is a protrusion, the upper cover is rotatably pivoted on the base, and the shaping parts are distributed along the direction of the pivoting shaft.

As a further improvement, the bulge is arc-shaped, and when the upper cover is rotated and covered, the outer periphery of the shaping part is matched with the pressing part.

As a further improvement, when the upper cover covers the base, the pressing part is pressed against the arc-shaped top.

As a further improvement, at least 2 shaping parts are arranged on the bracket.

As a further improvement, the supporting part is in a ring shape, the base is provided with an installation part for installing the supporting part, and the installation part is internally provided with a positioning groove for fixing the supporting part.

By adopting the technical scheme, the utility model discloses can gain following technological effect:

1. the utility model discloses the portion that compresses tightly of upper cover closes the in-process at the lid and through the cooperation with plastic portion, adjusts the position of fixed bolster to do benefit to subsequent connection cooperation, compress tightly the position skew that the tight fit of portion and plastic portion arouses in order to prevent the deformation warpage of support both ends supporting part after the upper cover lid closes, lead to appearing the deviation with subsequent connection cooperation.

2. The utility model relates to a simple and convenient structure eliminates support warp deformation to the influence of product function, reduces the deformation management and control requirement to the support.

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 exploded view of the present invention;

FIG. 2 is a schematic structural view of the utility model when the upper cover is opened;

fig. 3 is a schematic structural view of the bracket of the present invention;

FIG. 4 is a schematic perspective cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a schematic cross-sectional view of the cover of FIG. 2 with the cover opened to a maximum extent in the direction A-A;

FIG. 6 is a schematic sectional view of the cover pressing portion starting to abut against the shaping portion in the A-A direction in FIG. 2;

FIG. 7 is a schematic cross-sectional view of the lid shown in FIG. 2, taken along line A-A;

icon: 1-a base; 2-covering the upper cover; 3-a scaffold; 11-a printing zone; 12-a limiting groove; 13-a mounting portion; 14-a thermal head; 21-a print roller; 22-a compression section; 23-a groove; 31-side; 32-a support; 33-a shaping section; 34-a compression strip; 41-recovery reel; 42-supply reel; 131-a positioning groove; 321-shaft hole.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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 limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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, the present embodiment provides a printer for preventing deformation of a ribbon cartridge, including a base 1 and an upper cover 2, a cartridge 3 for mounting a ribbon cartridge is provided on the base 1, the ribbon cartridge includes a supply reel 42 for supplying a ribbon to be printed, a recovery reel 41 for recovering the printed ribbon, and a ribbon connected between the two reels, and the supply reel 42 and the recovery reel 41 are both rotatably mounted on the cartridge 3.

With reference to fig. 1 and 2, the middle of the base 1 sinks to form a printing area 11, the upper cover 2 is rotatably pivoted to the middle of the base 1, and when the upper cover 2 is closed, the sinking portion of the whole base 1 is just filled, so that the structure is more attractive. In the present embodiment, the print roller 21 is mounted on the upper cover 2, and the ribbon assembly and the thermal head 14 are disposed on the printing area 11 where the base 1 is sunk. In another embodiment, the thermal head 14 is mounted on the upper cover 2, and the ribbon assembly and the printing roller 21 are disposed on the printing area 11 where the base 1 is sunk.

Referring to fig. 3, the frame 3 includes an upper sheet and a carbon ribbon support 32 formed by extending downward from left and right sides of the sheet, and the frame 3 is installed on the printing region 11 of the base 1, so that the sheet has a hollow shape, and a hollow portion of the frame can allow the printing roller 21 installed on the upper cover 2 to print an image by nipping a printing paper with the thermal head 14 of the base 1. The support portion 32 is used for supporting the supply reel 42 and the recovery reel 41 of the carbon ribbon assembly, and the support portion 32 can be provided with corresponding shaft holes 321 according to the shaft diameters of the supply reel 42 and the recovery reel 41, so that the supply reel 42 and the recovery reel 41 can be matched with the shaft holes 321 and can rotate in the shaft holes 321. The support portion 32 may be an extension surface integrally formed on the left and right sides, and two shaft holes 321 are formed on each extension surface; the supporting portion 32 may be extended surfaces provided at corresponding positions, and each extended surface is provided with a shaft hole 321, so that material waste can be reduced.

Referring to fig. 1 and 3, the holder 3 is movable when the upper cover 2 is opened, and is not fixed to the base 1, so that the replacement of the ribbon assembly can be facilitated. The support 3 is made of a thin plate material, and a carbon ribbon component can be conveniently replaced. A limiting groove 12 and a mounting part 13 are arranged on the middle part of the base 1. Spacing groove 12 is used for quick locating support 3, and when support 3 arranged in on the base 1, spacing groove 12 just blocked the both sides limit 31 of support 3 fretwork, and the width of spacing groove 12 is greater than the width of the both sides limit 31 of support 3 fretwork a little, covers at upper cover 2 like this and closes the process and just can adjust support 3, can not be because of the cracked problem of the both sides limit 31 that adjusts support 3 and arouse. The installation department 13 is located the both sides of spacing groove 12, is equipped with constant head tank 131 in installation department 13, and constant head tank 131 is used for installing supporting part 32, and constant head tank 131 and supporting part 32's shape looks adaptation to make the better regulation location of ability of supporting part 32 when adjusting spacing supporting part 32 in the upper cover 2 lid closes the in-process. In the embodiment, the supporting portion 32 is in a ring shape, and the positioning slot 131 is matched with the supporting portion 32 in shape, and the ring shape enables the supporting portion 32 to move smoothly in all directions without being locked.

With reference to fig. 2 to 7, in the process from the open state to the closed state of the upper cover 2, the bracket 3 needs to be adjusted from the deviation from the predetermined mounting position to the predetermined mounting position, so that the carbon ribbon assembly reaches the designed mounting position, which is beneficial to the subsequent mating connection. The upper cover 2 is provided with a pressing part 22, and the bracket 3 is provided with a shaping part 33 which is matched with the pressing part 22 to adjust the position limitation and then is pressed to prevent the deformation and tilting of the bracket. The pressing parts 22 are arranged at the rear end of the upper cover 2, can be a plurality of parts with the same number as the shaping parts 33 or a whole convex part arranged at the rear end of the upper cover 2, and the pressing parts 22 are distributed along the position parallel to the pivoting shaft of the upper cover 2. When the upper cover 2 is rotatably covered, the pressing portion 22 presses the shaping portion 33 all the time after abutting against the shaping portion 33, the support portion 32 cannot be shifted to the left or right under the limit of the limit groove 12, but only the pressing portion 22 applies downward pressure, so that the position of the support portion 32 of the bracket 3 in the positioning groove 131 is gradually returned to a predetermined position from the position of fig. 5 where the support portion is deviated from abutting against the bottom of the positioning groove 131 to fig. 6, and when the upper cover 2 is completely covered, the pressing portion 22 presses the shaping portion 33, so that the support portion 32 of the bracket 3 is positioned at the bottom of the positioning groove 131, and is completely returned to the predetermined position as shown in fig. 7. In this embodiment, in order to cover the upper cover 2 in a rotating manner, the pressing portion 22 abuts against the shaping portion 33, the geometric center of the shaping portion 33 is located on the pivot axis of the upper cover 2, and the shaping portion 33 is a protrusion. Preferably, the bulge is arc-shaped pressing portion 22 and is matched with the outer periphery of the arc-shaped bulge in the rotating process, so that the adjusting support portion 32 enters the limiting groove 12, and when the upper cover 2 covers the base 1, the pressing portion 22 is pressed against the arc-shaped top to ensure the pressing fit of the pressing portion 22 and the shaping portion 33. Deformation and warping of the two ends of the support are easily caused in the rotation of the recovery reel 41 in the carbon tape assembly, the warping of the support portion 32 can cause deviation of the carbon tape assembly and the assembly connected and matched with the carbon tape assembly, so that the printing quality is affected, the shaping portions 33 are arranged at the two ends of the support 3 and are close to the two side faces of the printing area 11, the approximate positions of the shaping portions 33 on the two sides are close to the position of the support portion 32, and the deformation and warping of the position of the support portion 32 can be prevented when the pressing portion 22 presses the shaping portions 33. Here, the two end portions are two end portions parallel to the pivot axis, and the two side surfaces of the printing area 11 are separation surfaces of the middle portion sinking and non-sinking areas. In the present embodiment, the number of the shaping portions 33 is 2, and they are distributed on both sides of the bracket 3 in the direction of the pivot axis. In another embodiment, the number of the shaping portions 33 may be 3 or more, and all of them are uniformly distributed on the bracket 3 along the direction of the pivot axis, but it is ensured that there are at least 1 shaping portion 33 at the position close to the supporting portion 32 on both sides.

Referring to fig. 2, similarly, a pressing strip 34 is disposed at a position, close to the supporting portion 32, of the support 3 supporting the section of the supply reel 42 at two ends of the supply reel 42, a groove 23 adapted to the pressing strip 34 is disposed on the upper cover 2, and after the upper cover 2 is covered, the pressing strip 34 is just located in the groove 23 of the upper cover 2 and is pressed by the upper cover 2, so that the supporting portion 32 supporting the supply reel 42 is also located in the positioning groove 131, thereby fixing the support 3 on the base 1.

The tight fit of this embodiment design pressing part 22 to shape portion 33 after the lid closes eliminates the influence of support 3 warp deformation to the product function, reduces the deformation management and control requirement to support 3.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

Claims

1. The utility model provides a prevent printer of carbon ribbon support deformation, includes base (1) and upper cover (2), be equipped with support (3) of pre-installation carbon ribbon subassembly on base (1), support (3) are including the thin slice of middle part fretwork, both ends downwardly extending forms carbon ribbon subassembly supporting part (32) about the thin slice, a serial communication port, upper cover (2) are equipped with compresses tightly portion (22), be equipped with on support (3) with compress tightly portion (22) complex plastic portion (33), when upper cover (2) lid, compress tightly portion (22) and compress tightly plastic portion (33).

2. The printer for preventing the deformation of the carbon ribbon support according to claim 1, wherein the middle of the base (1) is sunk to form a printing area (11), the support (3) is installed on the printing area (11), and the shaping parts (33) are arranged at two end parts of the support (3) and are close to two side surfaces of the printing area (11).

3. The printer of claim 2, wherein the shaping portion (33) is a protrusion, the upper cover (2) is rotatably pivoted to the base (1), and the shaping portion (33) is distributed along the pivoting axis.

4. The printer for preventing the deformation of the carbon ribbon holder as recited in claim 3, wherein the protrusion is arc-shaped, and when the upper cover (2) is rotatably covered, the outer periphery of the shaping portion (33) is matched with the pressing portion (22).

5. The printer for preventing deformation of a carbon ribbon support according to claim 4, wherein the pressing portion (22) abuts against the top of the arc when the upper cover (2) is covered on the base (1).

6. A printer for preventing deformation of a carbon ribbon holder as defined in claim 4 or 5, wherein at least 2 shapers (33) are provided on the holder (3).

7. The printer of claim 1, wherein the supporting portion (32) is in a ring shape, a mounting portion (13) for mounting the supporting portion (32) is disposed on the base (1), and a positioning groove (131) for fixing the supporting portion (32) is disposed in the mounting portion (13).