CN-224210784-U - Small printer core convenient to installation

Abstract

The utility model provides a small printer core convenient to install, which comprises a support, a printing device and a limiting elastic piece, wherein the printing device is arranged on the support and is movably connected with the support, the limiting elastic piece is arranged on the support, and the limiting elastic piece limits the printing device on the support and applies elastic force to the printing device. According to the small printer core, the limiting elastic piece is arranged to replace an existing spring, and only the limiting elastic piece is required to be installed on the support and elastic force is applied to the printing device, so that rapid installation is realized, and the installation efficiency is improved.

Inventors

• YANG LITIE
• QIU YUEPENG
• WU ZHITAO

Assignees

• 厦门丽印电子科技有限公司

Dates

Publication Date

20260508

Application Date

20250625

Claims (10)

1. 1. A compact printer cartridge for easy installation, comprising: A bracket; The printing device is arranged on the bracket; The limiting elastic sheet is arranged on the support, limits the printing device on the support and applies elastic force to the printing device.
2. 2. A compact printer cartridge as in claim 1, wherein said printing means comprises a base plate disposed on said carriage and a thermal head plate disposed on said base plate.
3. 3. A compact printer cartridge as in claim 1, further comprising a glue roller disposed on said bracket corresponding to the printing means and rotatably coupled to said bracket; When the thermal paper is printed, the thermal paper passes through the space between the thermal head sheet and the rubber roller.
4. 4. The small printer core according to claim 1, further comprising a driving device, wherein the driving device is used for driving the rubber roller to rotate on the support, the driving device comprises a driving motor arranged on the support, a first gear arranged at an output end of the driving motor, a second gear arranged at one end of the rubber roller, and a gear set arranged on the support, and the driving motor drives the rubber roller to rotate and connect through the gear set.
5. 5. A compact printer cartridge as in claim 1, wherein said bracket is provided with mounting slots for receiving a printing device, and said printing device is provided with mounting steps on opposite sides thereof corresponding to said mounting slots.
6. 6. A compact printer cartridge as in claim 1, wherein said bracket further includes a guide channel for receiving said mounting step into said mounting slot, said guide channel communicating with said bracket outer surface to said mounting slot.
7. 7. The small printer core according to claim 1, wherein the limiting spring plate has a first elastic portion and a second elastic portion, and the first elastic portion and the second elastic portion are both pressed against the printing device.
8. 8. The small printer core convenient to install according to claim 1, wherein the support is further provided with a positioning step, and the limiting elastic sheet is provided with a positioning groove corresponding to the positioning step.
9. 9. The small printer core convenient to install according to claim 1, further comprising a flat cable assembly connected with the printing device, wherein the flat cable assembly is further provided with an inductor, and the flat cable assembly is arranged on the bracket through a limiting spring piece.
10. 10. The small printer core convenient to install according to claim 1, wherein the support is further provided with a fixing column, the fixing column is provided with an internal threaded hole, and the fixing column is connected with the internal threaded hole after passing through the limiting elastic sheet through a bolt.

Description

Small printer core convenient to installation Technical Field The utility model relates to the technical field of thermal printer accessories, in particular to a small printer core convenient to install. Background The general thermal printer core includes support, motor, drive gear group and rotatable rubber roll and the print head base plate that sets up on the frame, and the print head base plate is equipped with the thermal print head, during operation, motor drive gear group to with power transmission to the rubber roll, so that the rubber roll rotates, and then drive the paper feed passageway between printing paper through rubber roll and the thermal print head, in the printing process, need the spring to apply elasticity to the print head base plate on, so that print head base plate and thermal print head compress tightly thermal print paper in the rubber roll surface, in order to guarantee good printing effect. However, the spring is complicated in the installation process, especially in a small printer core, the installation process is more inconvenient, and the installation efficiency is low. In view of this, the present inventors have specifically devised a compact printer cartridge that is easy to install, and this results therefrom. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a small printer core convenient to install, the limiting elastic piece is arranged to replace the existing spring, and the limiting elastic piece is only required to be installed on the bracket and to apply elastic force to the printing device, so that the defect caused by the existing spring installation is overcome. According to the utility model, a small printer core convenient to install is provided, comprising: A bracket; The printing device is arranged on the bracket and is movably connected with the bracket; The limiting elastic sheet is arranged on the support, limits the printing device on the support and applies elastic force to the printing device. According to the small printer core, the limiting elastic piece is arranged to replace an existing spring, and only the limiting elastic piece is required to be installed on the support and elastic force is applied to the printing device, so that rapid installation is realized, and the installation efficiency is improved. In some embodiments of the utility model, the printing device includes a substrate disposed on the support and a thermal head sheet disposed on the substrate. In some embodiments of the present utility model, the printer core further includes a rubber roller, where the rubber roller is disposed on the support corresponding to the printing device and is rotatably connected with the support. When the thermal paper is printed, the thermal paper passes through the space between the thermal head sheet and the rubber roller. In some embodiments of the present utility model, the printer core further includes a driving device, where the driving device is used to drive the rubber roller to rotate on the support, and the driving device includes a driving motor disposed on the support, a first gear disposed at an output end of the driving motor, a second gear disposed at one end of the rubber roller, and a gear set disposed on the support, where the driving motor drives the rubber roller to rotate through the gear set. In some embodiments of the present utility model, the output end of the driving motor is provided with a first gear, one end of the rubber roller is provided with a second gear, the gear set comprises a third gear, a fourth gear and a fifth gear which are rotatably connected with the bracket, wherein the first gear is meshed with the third gear, the third gear is meshed with the fourth gear, and the fourth gear is meshed with the fifth gear. In some embodiments of the present utility model, the bracket is further provided with a clamping groove for installing the rubber roller. In some embodiments of the present utility model, the bracket is provided with mounting grooves for placing the printing device, and two sides of the printing device are provided with mounting steps corresponding to the two mounting grooves. In some embodiments of the utility model, the mounting steps are disposed on both sides of the substrate. In some embodiments of the present utility model, a guide channel for placing the mounting step into the mounting groove is further provided on the bracket, and the guide channel communicates the outer surface of the bracket with the mounting groove. In some embodiments of the present utility model, the limiting spring has a first elastic portion and a second elastic portion, where the first elastic portion and the second elastic portion are both pressed against the printing device. In some embodiments of the present utility model, the limiting elastic piece includes a main body portion, wherein the first