CN219856501U

CN219856501U - Thermal printer

Info

Publication number: CN219856501U
Application number: CN202321384620.0U
Authority: CN
Inventors: 黄队辉
Original assignee: Shanghai Naiting Industrial Co ltd
Current assignee: Shanghai Naiting Industrial Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-10-20
Anticipated expiration: 2033-06-02

Abstract

The utility model belongs to the technical field of thermal printers, and discloses a thermal printer which comprises a machine base, wherein an operating plate is rotatably arranged at one end of the inside of a mounting plate, an L-shaped plate is slidably arranged in the mounting plate, a first spring is arranged between one side of the L-shaped plate far away from the operating plate and the inner wall of the mounting plate, a movable plate is arranged at one end of the inside of the machine base, a plurality of clamping grooves which are uniformly distributed are formed in the bottom of one side of the movable plate close to the mounting plate, and a transmission assembly is arranged in the machine base; according to the utility model, one of the operation plates is used for unlocking the mounting plates, and the position of one of the mounting plates is adjusted under the action of the transmission assembly, so that the other mounting plate synchronously moves, the effect of centering and adjusting the two mounting plates is realized, the paper cylinder placed in the paper bin can be positioned in the middle position, the position of the thermosensitive paper can not deviate, and the problems that the pressure of the printing head is uneven and the printing effect is influenced are avoided.

Description

Thermal printer

Technical Field

The utility model relates to the technical field of thermal printers, in particular to a thermal printer.

Background

The thermal printer comprises a direct-heating type thermal printer and a thermal transfer printer, wherein the working principle of the thermal printer is that a semiconductor heating element is arranged on a printing head, and the printing head can print a required pattern after heating and contacting thermal printing paper.

As disclosed in the prior art (patent number CN 218804801U), in the printer with adjustable width of the paper bin, by applying an upward force to the operation portion, the elastic arm is driven to elastically deform in a direction away from the bottom wall of the paper bin, so that the clamping teeth are separated from the paper bin, and the paper blocking plate can be released; in the device, through adjusting the width of a paper bin of a paper blocking board, lead to the position deviation one end fixed to thermal paper, can lead to the fact the unbalance of printhead pressure to influence the printing effect.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a thermal printer.

The utility model provides a thermal printer, which adopts the following technical scheme:

the utility model provides a thermal printer, includes the frame, the paper storehouse has been seted up to the inside of frame, the inside both ends of paper storehouse all are provided with the mounting panel, the inside one end of mounting panel rotates and is provided with the operation panel, the inside slip of mounting panel is provided with L template, be provided with first spring between one side that the operation panel was kept away from to L template and the inner wall of mounting panel, the inside one end of frame is provided with the movable plate, a plurality of evenly distributed's draw-in groove has been seted up to the bottom that the movable plate is close to mounting panel one side, the inside of frame is provided with drive assembly, one of them the outside of mounting panel is provided with alarm assembly.

Further, the arc mounting groove has been seted up at the top of mounting panel, the top and the L template sliding connection of movable plate.

Further, the transmission assembly comprises a first rack, a second rack and a gear, wherein a plurality of clamping rods which are uniformly distributed are fixedly arranged on one side, close to the moving plate, of the first rack.

Further, the first rack and the second rack are respectively and fixedly arranged at the bottoms of the two mounting plates, the first rack and the second rack are in meshed transmission and are arranged at two sides of the gear, and the clamping rod is matched with the clamping groove.

Further, two sliding bars are fixedly arranged in the machine base, and the first rack and the second rack are respectively arranged outside the two sliding bars in a sliding mode.

Further, the alarm assembly comprises two limiting rods, a supporting frame is arranged outside the limiting rods in a sliding mode, a second spring is sleeved outside the bottom ends of the limiting rods, a first conducting strip is arranged at one end of the transmission assembly at the top of the supporting frame, a second conducting strip is fixedly arranged at one side of the mounting plate, and an alarm is arranged at one end of the front face of the base.

Further, the first conductive sheet and the second conductive sheet correspond to each other, and the first conductive sheet and the second conductive sheet are electrically connected with the alarm.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. according to the utility model, one of the operation plates is used for unlocking the mounting plates, and the position of one of the mounting plates is adjusted under the action of the transmission assembly, so that the other mounting plate synchronously moves, the effect of centering and adjusting the two mounting plates is realized, the paper cylinder placed in the paper bin can be positioned in the middle position, the position of the thermosensitive paper can not deviate, and the problems that the pressure of the printing head is uneven and the printing effect is influenced are avoided.

2. According to the utility model, through the alarm assembly, the paper tube is pressed on the surface of the supporting frame when being arranged in the machine base, the supporting frame gradually moves upwards under the action of the second spring along with the use of the thermosensitive paper, and when the first conductive sheet is contacted with the second conductive sheet, a signal is transmitted to the alarm, the alarm gives an alarm, and the staff is reminded of timely replacing the thermosensitive paper.

Drawings

FIG. 1 is a schematic diagram of a housing structure according to the present utility model;

FIG. 2 is a partial front view of the present utility model;

FIG. 3 is a top view of the transmission assembly of the present utility model;

FIG. 4 is a schematic diagram of the alarm assembly of the present utility model.

The reference numerals in the figures illustrate:

1. a base; 2. a paper bin; 3. a mounting plate; 4. an operation panel; 5. an L-shaped plate; 6. a first spring; 7. a moving plate; 8. a clamping groove; 9. a transmission assembly; 901. a first rack; 902. a second rack; 903. a gear; 904. a clamping rod; 10. an alarm assembly; 1001. a limit rod; 1002. a support frame; 1003. a second spring; 1004. a first conductive sheet; 1005. a second conductive sheet; 1006. an alarm; 11. and a slide bar.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Referring to fig. 1, a thermal printer includes a base 1, a paper bin 2 is provided in the base 1, mounting plates 3 are provided at two ends of the paper bin 2, and an arc-shaped mounting groove is provided at the top of the mounting plates 3 for placing a paper tube with thermal paper wound on the outside.

Referring to fig. 1 and 2, the inside one end rotation of mounting panel 3 is provided with operating panel 4, the inside slip of mounting panel 3 is provided with L template 5,L template 5 and is kept away from and be provided with first spring 6 between the inner wall of operating panel 4 and mounting panel 3, the inside one end of frame 1 is provided with movable plate 7, the top and the L template 5 sliding connection of movable plate 7 for movable plate 7 can be along with L template 5 synchronous side-to-side movement, and when mounting panel 3 slides around, L template 5 slides along movable plate 7 surface, a plurality of evenly distributed draw-in grooves 8 have been seted up to the bottom that movable plate 7 is close to mounting panel 3 one side.

In this embodiment, through using one of them operating panel 4 to unlock mounting panel 3, simultaneously under the effect of drive assembly 9, adjust the position of one of them mounting panel 3, another mounting panel 3 just synchronous movement realizes the effect of adjusting two mounting panels 3 placed in the middle for place the fiber container in paper storehouse 2 inside and can be located the middle part position, the position of thermal paper just can not skew, avoids the inhomogeneous problem of printhead pressure, influences the printing effect.

Referring to fig. 2 and 3, a transmission assembly 9 is disposed inside the housing 1, and an alarm assembly 10 is disposed outside one of the mounting plates 3. The transmission assembly 9 comprises a first rack 901, a second rack 902 and a gear 903, wherein a plurality of clamping rods 904 which are uniformly distributed are fixedly arranged on one side, close to the moving plate 7, of the first rack 901, the first rack 901 and the second rack 902 are respectively fixedly arranged at the bottoms of the two mounting plates 3, the first rack 901 and the second rack 902 are in meshed transmission and are arranged on two sides of the gear 903, the clamping rods 904 are matched with the clamping grooves 8, two sliding rods 11 are fixedly arranged in the machine base 1, the first rack 901 and the second rack 902 are respectively and slidably arranged outside the two sliding rods 11, and the arrangement of the sliding rods 11 improves the stability of the first rack 901 and the second rack 902 during moving.

In this embodiment, when the rear mounting plate 3 is moved, the first rack 901 is driven to move synchronously, the gear 903 at this time rotates, and the second rack 902 drives the other mounting plate 3 to move, so as to achieve the effect of synchronous movement.

Referring to fig. 1, 2 and 4, the alarm assembly 10 includes two stop levers 1001, a supporting frame 1002 is slidably disposed outside the stop levers 1001, the supporting frame 1002 slides stably along the stop levers 1001 when moving, a second spring 1003 is sleeved outside the bottom ends of the stop levers 1001, a first conductive sheet 1004 is disposed at one end of a top transmission assembly 9 of the supporting frame 1002, a second conductive sheet 1005 is fixedly disposed at one side of the mounting plate 3, an alarm 1006 is disposed at one end of the front of the base 1, the first conductive sheet 1004 corresponds to the second conductive sheet 1005, and the first conductive sheet 1004 and the second conductive sheet 1005 are electrically connected with the alarm 1006.

In this embodiment, the paper tube is mounted inside the stand 1 and is pressed on the surface of the supporting frame 1002, and as the thermal paper is used, the supporting frame 1002 gradually moves upwards under the action of the second spring 1003, and when the first conductive sheet 1004 contacts with the second conductive sheet 1005, a signal is transmitted to the alarm 1006, the alarm 1006 gives an alarm, and the staff is reminded to replace the thermal paper in time.

The working principle and the using flow of the utility model are as follows:

when the device is used, the position between two mounting plates 3 is adjusted according to the length of a thermosensitive paper tube wound outside, during adjustment, one of the operating plates 4 is pressed, the operating plate 4 rotates and pushes the L-shaped plate 5 to move leftwards, the first spring 6 is compressed under force, the L-shaped plate 5 pushes the moving plate 7 to move leftwards, the clamping groove 8 is separated from the clamping rod 904, then the position of the mounting plate 3 is adjusted, one end of the L-shaped plate 5 slides along the surface of the moving plate 7 when the mounting plate 3 moves, the first rack 901 at the bottom of the L-shaped plate slides synchronously when the mounting plate 3 at the rear side is adjusted, meanwhile, the second rack 902 drives the other mounting plate 3 to synchronously move under the action of the gear 903, the effect of synchronously adjusting the two mounting plates 3 is achieved, after the mounting plate 3 is adjusted to a proper position, the operating plate 4 is loosened, the L-shaped plate 5 drives the moving plate 7 to reset under the action of the first spring 6, and the clamping rod 904 is clamped into the corresponding clamping groove 8 to complete the fixation of the two mounting plates 3;

then place the both ends of fiber container inside the arc mounting groove at mounting panel 3 top, the fiber container at this moment is located the middle part of frame 1, and the position of thermal paper can not skew, avoids printing head pressure inhomogeneous, influences the problem of printing effect, and the fiber container is pressed and is covered on the surface of braced frame 1002, along with the use of thermal paper, braced frame 1002 gradually moves up under the effect of second spring 1003, when first conducting strip 1004 and second conducting strip 1005 contact, with signal transmission to alarm 1006, alarm 1006 takes place the warning, reminds the staff in time to change thermal paper.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A thermal printer comprising a housing (1), characterized in that: paper bin (2) have been seted up to the inside of frame (1), the inside both ends of paper bin (2) all are provided with mounting panel (3), the inside one end of mounting panel (3) rotates and is provided with operating panel (4), the inside slip of mounting panel (3) is provided with L template (5), be provided with first spring (6) between one side that operating panel (4) was kept away from to L template (5) and the inner wall of mounting panel (3), the inside one end of frame (1) is provided with movable plate (7), movable plate (7) are close to draw-in groove (8) of a plurality of evenly distributed have been seted up to the bottom of mounting panel (3) one side, the inside of frame (1) is provided with drive assembly (9), one of them the outside of mounting panel (3) is provided with alarm assembly (10).

2. A thermal printer according to claim 1, wherein: the top of mounting panel (3) has seted up the arc mounting groove, the top and the L template (5) sliding connection of movable plate (7).

3. A thermal printer according to claim 1, wherein: the transmission assembly (9) comprises a first rack (901), a second rack (902) and a gear (903), wherein a plurality of clamping rods (904) which are uniformly distributed are fixedly arranged on one side, close to the moving plate (7), of the first rack (901).

4. A thermal printer according to claim 3, wherein: the first racks (901) and the second racks (902) are respectively and fixedly arranged at the bottoms of the two mounting plates (3), the first racks (901) and the second racks (902) are arranged on two sides of the gear (903) in a meshed transmission mode, and the clamping rods (904) are matched with the clamping grooves (8).

5. A thermal printer according to claim 3, wherein: the inside of frame (1) is fixed and is provided with two slide bars (11), first rack (901) and second rack (902) slide respectively and set up in the outside of two slide bars (11).

6. A thermal printer according to claim 1, wherein: the alarm assembly (10) comprises two limiting rods (1001), a supporting frame (1002) is arranged outside the limiting rods (1001) in a sliding mode, a second spring (1003) is sleeved outside the bottom ends of the limiting rods (1001), a first conducting strip (1004) is arranged at one end of a top transmission assembly (9) of the supporting frame (1002), a second conducting strip (1005) is fixedly arranged on one side of the mounting plate (3), and an alarm (1006) is arranged at one end of the front face of the base (1).

7. A thermal printer according to claim 6, wherein: the first conductive sheet (1004) and the second conductive sheet (1005) correspond to each other, and the first conductive sheet (1004) and the second conductive sheet (1005) are electrically connected with the alarm (1006).