CN218577305U

CN218577305U - Printing head for thermal printer

Info

Publication number: CN218577305U
Application number: CN202222712138.7U
Authority: CN
Inventors: 刘铁红; 李泽牛; 来五星
Original assignee: Guangzhou Superior Electronic Technology Co ltd
Current assignee: Guangzhou Superior Electronic Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-03-07
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a thermal printer is with beating printer head, including beating the printer head main part, beat the upper and lower end of printer head main part and be provided with upper cover, lower cover respectively, the lower extreme internal surface of upper cover rotates and is connected with first commentaries on classics board, and the upper end internal surface of lower cover rotates and is connected with the second and changes the board, and the equal joint of upper end internal surface of first commentaries on classics board, second commentaries on classics board has the screw inserted bar, and the upper end internal surface joint of lower cover has the reinforcing block. This thermal printer is with beating printer head, through installing butterfly nut on the screw inserted bar and the installation of reinforcing block, thereby strengthen the equipment intensity of beating printer head, it beats printer head to need not to borrow the screwdriver like this to load and unload, thereby it beats printer head to facilitate the installation or dismantle, convenient operation is simple, through the elasticity and the flexible rubber disk of flexible height-adjusting that utilize by extrusion spring, make flexible rubber disk can be tight the laminating get into thermal printer in, it is more firm to guarantee to beat printer head fixed, thereby improve thermal printer's printing effect.

Description

Printing head for thermal printer

Technical Field

The utility model relates to a thermal printer technical field specifically relates to a thermal printer is with beating printer head.

Background

The thermal printer has the working principle that a semiconductor heating element is arranged on a printing head, the printing head can print required patterns after being heated and contacted with thermal printing paper, the principle is similar to that of a thermal fax machine, the images are generated by heating and generating chemical reaction in a film, the chemical reaction of the thermal printer is carried out at a certain temperature, the high temperature can accelerate the chemical reaction, and when the temperature is lower than 60 ℃, the paper can be changed into dark color after a long time, even several years; when the temperature is 200 ℃, the reaction can be completed within microseconds, the principle of the thermal printer is that a layer of transparent film is covered on a light-colored material, the film is heated for a period of time to become dark color, an image is generated by heating and generating a chemical reaction in the film, the chemical reaction is carried out at a certain temperature, the thermal printing has the advantages of high speed, low noise, clear printing and convenient use, but the thermal printer cannot directly print double, printed documents cannot be permanently stored, if the best thermal paper is used, the printed documents can be stored for ten years in a good dark state, so that a printing head of the thermal printer is required to be used for printing, and the thermal printer is widely applied.

When the existing thermal printer is installed and used, because the general installation mode that adopts a plurality of groups of screws to connect the printing heads, at the moment, a screwdriver needs to be repeatedly used for carrying out the rotation and the fixation of the screws, the installation and the operation are more troublesome, the time is consumed, the installation or the disassembly of the printing heads are inconvenient, the use of the printing heads is not facilitated, and the printing heads are installed in the thermal printer in a clamping mode, a certain gap still exists between the positions of the printing heads and the thermal printer, the printing heads are fixed and not firm, the loosening condition is easy to occur, the printing effect of the thermal printer is influenced, and based on the problems, therefore, the printing heads for the thermal printer are provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a thermal printer head to improve the above problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a thermal printer is with beating printer head, including beating the printer head main part, the upper and lower ends of beating the printer head main part are provided with the upper cover respectively, the lower cover, the lower extreme internal surface rotation of upper cover is connected with first commentaries on classics board, the upper end internal surface rotation of lower cover is connected with the second and changes the board, first commentaries on classics board, the equal joint of upper end internal surface of second commentaries on classics board has the screw inserted bar, the upper end internal surface joint of lower cover has the anchor block, the front end internal surface joint of upper cover has the connecting plate, the fixed box of upper end external surface fixed connection of upper cover, the left side internal surface slip joint of fixed box has the slider, the upper end internal surface elastic connection of slider has the spring, the upper end surface mounting of spring has flexible rubber dish.

Optionally, the outer wall of the threaded insert rod is provided with a butterfly nut, and the inner surfaces of the front ends of the upper cover and the lower cover are clamped with fixed insert blocks.

Optionally, the inner surface of the upper end of the connecting plate is rotatably connected with a rotating plate, the inner surface of the front end of the rotating plate is clamped with a limiting plate, and the inner surface of the front end of the fixing box is free of being clamped with a positioning plate.

Optionally, the upper end inner surface of the sliding block is provided with a sliding groove, the sliding groove is matched with the telescopic rubber disc, and the lower end outer surface of the telescopic rubber disc is connected with the upper end inner surface of the sliding block through the sliding groove in a sliding manner.

Optionally, the outer wall of the threaded inserted rod is provided with an external thread, the inner surface of the upper end of the butterfly nut is provided with an internal thread, the external thread is matched with the internal thread, and the outer wall of the threaded inserted rod is in threaded connection with the inner surface of the upper end of the butterfly nut.

Optionally, a clamping groove is formed in the inner surface of the front end of the reinforcing block, the clamping groove is matched with the fixed inserting block, and the outer surface of the rear end of the fixed inserting block is clamped with the inner surface of the front end of the reinforcing block through the clamping groove.

Optionally, an embedded groove is formed in the inner surface of the front end of the sliding block and matched with the positioning plate, and the outer surface of the rear end of the positioning plate is clamped with the inner surface of the front end of the sliding block through the embedded groove.

Compared with the prior art, the utility model provides a thermal printer is with beating printer head possesses following beneficial effect:

1. this thermal printer is with beating printer head, through at first commentaries on classics board simultaneously, insert the screw thread inserted bar on the second commentaries on classics board, rotate butterfly nut again to the screw thread inserted bar on, rotate two sets of commentaries on classics boards afterwards and receive the inside of changeing the board, thereby fix the outside of beating printer head with upper cover and lower cover installation, together insert the reinforcement piece in upper cover and lower cover department after that, reuse fixed inserted piece to fix the reinforcement piece, thereby strengthen the equipment intensity of beating printer head, it beats printer head to need not to borrow the screwdriver like this to load and unload, thereby easy to assemble or dismantle and beat printer head, and convenient operation is simple.

2. This thermal printer is with beating printer head, through in pushing away the slider fixed box, and insert the locating plate and come to install the slider fixed, let the flexible rubber dish of the stable drive of slider install at the upper cover on the surface, after that in whole beating printer head joint entering thermal printer, just so can extrude spring and flexible rubber dish simultaneously, utilize the elasticity of spring and the flexible rubber dish of flexible height-adjusting, make the laminating that flexible rubber dish can be tight get into thermal printer, it is more firm to guarantee to beat printer head fixed, thereby improve thermal printer's printing effect.

Drawings

FIG. 1 is an overall view of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

FIG. 3 is a schematic view of the installation of the reinforcing block of the present invention;

fig. 4 is an installation schematic diagram of the middle connection plate of the present invention.

In the figure: 1. a printhead body; 2. an upper cover; 3. a lower cover; 4. a first rotating plate; 5. a second rotating plate; 6. A threaded bayonet; 7. a butterfly nut; 8. a reinforcing block; 9. fixing the insert block; 10. a connecting plate; 11. a rotating plate; 12. a limiting plate; 13. a fixing box; 14. a slider; 15. a spring; 16. a flexible rubber disc; 17. And (7) positioning the plate.

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, fig. 2 and fig. 3, the present invention provides a technical solution: a printing head for a thermal printer comprises a printing head main body 1, an upper cover 2 and a lower cover 3 are respectively arranged at the upper end and the lower end of the printing head main body 1, the upper cover 2 and the lower cover 3 are installed for use, the upper cover 2 and the lower cover 3 can be attached to the printing head, so that the whole printing head is clamped in the thermal printer, the inner surface of the lower end of the upper cover 2 is rotationally connected with a first rotating plate 4, the inner surface of the upper end of the lower cover 3 is rotationally connected with a second rotating plate 5, the inner surfaces of the upper ends of the first rotating plate 4 and the second rotating plate 5 are respectively clamped with a threaded inserted bar 6, the peripheries of the upper cover 2 and the lower cover 3 are conveniently, stably and reliably fixed by arranging the threaded insert rod 6 and installing the threaded insert rod 6 at the first rotating plate 4 and the second rotating plate 5 to ensure the installation of the printing head, the inner surface of the upper end of the lower cover 3 is clamped with the reinforcing block 8, the inner surface of the front end of the upper cover 2 is clamped with the connecting plate 10, the upper cover 2 is clamped and installed by the connecting plate 10 through the arrangement of the connecting plate 10, the outer surface of the upper end of the upper cover 2 is fixedly connected with a fixed box 13, the inner surface of the left side of the fixed box 13 is in sliding clamping connection with a sliding block 14, through the installation and use of the fixed box 13 and the sliding block 14, the sliding block 14 is installed in the fixed box 13, the firmness of the printing head during installation is conveniently improved, the inner surface of the upper end of the sliding block 14 is elastically connected with a spring 15, the outer surface of the upper end of the spring 15 is provided with a telescopic rubber disc 16, through the arrangement of the telescopic rubber disc 16, the telescopic rubber disc 16 can move up and down due to the elasticity of the spring 15, the printing head is extruded into the thermal printer by utilizing the telescopic rubber disc 16, the stability of printer head is improved, and the spout has been seted up to the upper end internal surface of slider 14, and the spout is with flexible rubber disc 16 looks adaptation, and the lower extreme surface of flexible rubber disc 16 passes through spout and slider 14's upper end internal surface sliding connection.

Referring to fig. 1 and 4, a butterfly nut 7 is disposed on an outer wall of a threaded insert rod 6, the butterfly nut 7 is used for enabling two sets of rotating plates to be attached more tightly, stability of mounting of an upper cover and a lower cover is improved, an external thread is disposed on an outer wall of the threaded insert rod 6, an internal thread is disposed on an inner surface of an upper end of the butterfly nut 7, the external thread is matched with the internal thread, an outer wall of the threaded insert rod 6 is in threaded connection with an inner surface of an upper end of the butterfly nut 7, a fixed insert block 9 is clamped on inner surfaces of front ends of the upper cover 2 and the lower cover 3, a clamping groove is disposed on an inner surface of a front end of a reinforcing block 8, the clamping groove is matched with the fixed insert block 9, an outer surface of a rear end of the fixed insert block 9 is clamped with an inner surface of a front end of the reinforcing block 8 through the clamping groove, a rotating plate 11 is rotatably connected to an inner surface of an upper end of a connecting plate 10, a limiting plate 12 is clamped to an inner surface of a front end of the rotating plate 11, the connecting plate 10 is used for limiting, the connecting plate is clamped with the positioning plate 17, the inner surface of the connecting plate 14 is clamped with the positioning plate 17, and the positioning plate 17 is clamped to be matched with an inner surface of a rear end of the connecting plate 14.

In summary, when the printing head for the thermal printer is used, the upper cover 2, the lower cover 3, the first rotating plate 4, the second rotating plate 5, the threaded insertion rods 6, the butterfly nuts 7, the rotating plates 11 and the limiting plates 12 are installed and used, the threaded insertion rods 6 are inserted into the first rotating plate 4 and the second rotating plate 5 at the same time, the butterfly nuts 7 are rotated to the threaded insertion rods 6, then the two rotating plates are rotated to be received inside the rotating plates, so that the upper cover 2 and the lower cover 3 are installed and fixed on the outer side of the printing head, then the reinforcing blocks 8 are inserted into the upper cover 2 and the lower cover 3 together, the reinforcing blocks 8 are fixed by the fixing insertion blocks 9, so that the assembling strength of the printing head is enhanced, the printing head is assembled and disassembled without using a screwdriver, the printing head is convenient and convenient to install or disassemble the printing head, the operation is simple, the sliding block 14 is pushed into the fixing box 13 and inserted into the positioning plate 17 to install and fix the sliding block 14, the rubber disc 16 is stably driven by the fixing box, the telescopic rubber disc 16 and the positioning plate 16 can be firmly pressed and the telescopic disc can be tightly pressed into the printer, so that the whole printing head can be tightly pressed and the telescopic effect of the printer can be improved when the telescopic disc 16 is pressed and the printer.

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. Simultaneously in the drawings of the utility model, the filling pattern is only for distinguishing the pattern layer, and does not do any other restrictions.

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. The utility model provides a thermal printer is with beating printer head, includes and beats printer head main part (1), the upper and lower end that beats printer head main part (1) is provided with upper cover (2), lower cover (3) respectively, its characterized in that: the inner surface of the lower end of the upper cover (2) is rotatably connected with a first rotating plate (4), the inner surface of the upper end of the lower cover (3) is rotatably connected with a second rotating plate (5), threaded insertion rods (6) are clamped on the inner surfaces of the upper ends of the first rotating plate (4) and the second rotating plate (5), reinforcing blocks (8) are clamped on the inner surface of the upper end of the lower cover (3), a connecting plate (10) is clamped on the inner surface of the front end of the upper cover (2), a fixed box (13) is fixedly connected on the outer surface of the upper end of the upper cover (2), a sliding block (14) is clamped on the inner surface of the left side of the fixed box (13), a spring (15) is elastically connected on the inner surface of the upper end of the sliding block (14), and a telescopic rubber disc (16) is installed on the outer surface of the upper end of the spring (15).

2. The printhead according to claim 1, wherein: the outer wall of the threaded insert rod (6) is provided with a butterfly nut (7), and the inner surfaces of the front ends of the upper cover (2) and the lower cover (3) are respectively clamped with a fixed insert block (9).

3. The printhead according to claim 1, wherein: the inner surface of the upper end of the connecting plate (10) is rotatably connected with a rotating plate (11), a limiting plate (12) is clamped on the inner surface of the front end of the rotating plate (11), and a positioning plate (17) is not clamped on the inner surface of the front end of the fixing box (13).

4. A printhead for a thermal printer according to claim 1, wherein: the upper end internal surface of slider (14) has seted up the spout, the spout is with flexible rubber disc (16) looks adaptation, the lower extreme surface of flexible rubber disc (16) passes through the upper end internal surface sliding connection of spout and slider (14).

5. A printhead for a thermal printer according to claim 2, wherein: the outer wall of the threaded inserted rod (6) is provided with external threads, the inner surface of the upper end of the butterfly nut (7) is provided with internal threads, the external threads are matched with the internal threads, and the outer wall of the threaded inserted rod (6) is in threaded connection with the inner surface of the upper end of the butterfly nut (7).

6. A printhead for a thermal printer according to claim 2, wherein: the front end internal surface of reinforcing block (8) has seted up the draw-in groove, the draw-in groove with fixed inserted block (9) looks adaptation, the rear end surface of fixed inserted block (9) passes through the draw-in groove and the front end internal surface looks joint of reinforcing block (8).

7. A printhead for a thermal printer according to claim 3, wherein: the front end inner surface of slider (14) has seted up the embedded groove, the embedded groove and locating plate (17) looks adaptation, the rear end surface of locating plate (17) is through the embedded groove and the front end inner surface looks joint of slider (14).