Printer
Technical field
The utility model relates to a kind of printer.
Background technology
As everyone knows, when using printer, need to install printing paper additional, the existing practice of printer when installing printing paper additional is: open the printer housing, lift printhead, with the printing paper printer of packing into, put down printhead again, shut the printer housing and print; If need to withdraw from printing paper, its practice is substantially the same.
The structure of existing printer causes installing additional the printing paper inconvenience, also has same problem when changing printing paper, uses inconvenient; On the other hand, open frequently printer and printhead is exposed, very easily hinder with printhead, shorten the service life of printer, dust also more easily accumulates in the printhead place, affects printing effect.
For existing printer because printhead heating, also can be easy to be infected with on airborne or the printing paper with dust.Affect printing effect and quality.
Summary of the invention
Based on this, the utility model is to overcome the defective of prior art, and a kind of printer is provided, and the utility model uses more convenient, has reduced the damage of printhead and accumulating of dust, and printing effect is better.
Its technical scheme is as follows:
A kind of printer, comprise paper feed platform, printhead, the first transport roller, the second transport roller, the 3rd transport roller and enclosing cover, the first transport roller and printhead are relatively arranged on the front portion of paper feed platform, the second transport roller and the 3rd transport roller are relatively arranged on the rear portion of paper feed platform, and enclosing cover covers printhead, the first transport roller, the second transport roller, the 3rd transport roller.
The below describes further technical scheme:
Also include control circuit, paper feed operating portion and driving mechanism, paper feed operating portion and driving mechanism all are electrically connected with control circuit, the paper feed operating portion is exposed to described enclosing cover, and driving mechanism is connected with described the first transport roller, the second transport roller or the 3rd transport roller and drives described the first transport roller, the second transport roller and the 3rd transport roller.
Described paper feed operating portion comprises paper feed key and moves back the paper key, and paper feed key is with respect to moving back the more close described printhead of paper key.
Also include inductive head and lower inductive head, upper inductive head, lower inductive head are relative, and upper inductive head, lower inductive head lay respectively at top, the below of described paper feed platform.
Need to prove: the described printing paper of the application can be concrete paper, also can be paper slip, paper tape, and the belt of other material that also can be soft such as thin adhesive tape, gets final product so long as be used for printing.
The below describes advantage or the principle of aforementioned techniques scheme:
1, the application is provided with three transport rollers, and the first transport roller is relative with printhead, and the second transport roller is relative with the 3rd transport roller, according to user's needs, can realize easily paper feed and move back paper, uses more convenient;
2, enclosing cover covers printhead, the first transport roller, the second transport roller, the 3rd transport roller, at paper feed or when moving back paper, need not printhead is opened, and has reduced the chance that dust enters, and also avoids mistake to bump and causes the damage of printhead;
3, this printer can be realized the paper of advancing and retreat easily, in print procedure, can operate at any time and realize advance and retreat paper, allow printing paper contact with printhead, produce friction, and automatically the dust of printhead is taken away by printing paper, thus the automatic cleaning function of realization printhead, further improve the quality of printing, reach beyond thought cleaning effect;
4, by control circuit and paper feed operating portion, can be more easily to paper feed and move back paper and control, even can realize automatic paper feed and automatically move back paper, and realize the paper feed amount and move back the accurate control of paper amount; Paper feed key is with respect to moving back the more close described printhead of paper key, presses near the paper feed of printing first side strongly, and printing paper is to printing first side shifting, presses away from what print first side and moves back the paper key, and printing paper operates more directly perceived away from printing first side shifting;
5, by upper inductive head, lower inductive head, can respond to the paper feed amount of printing paper or move back the paper amount, can realize accurate control.
Description of drawings
Fig. 1 is the structure chart of the described printer of the utility model embodiment;
Fig. 2 is the structure chart after the described printer of the utility model embodiment is taken enclosing cover apart;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the mounting structure figure of upper inductive head, lower inductive head;
Description of reference numerals:
10, paper feed platform, 20, printhead, the 30, first transport roller, the 40, second transport roller, the 50, the 3rd transport roller, 60, enclosing cover, 70, the paper feed operating portion, 71, paper feed key, 72, move back the paper key, 80, upper inductive head, 90, lower inductive head.
The specific embodiment
The below is elaborated to embodiment of the present utility model:
As shown in Figures 1 to 4, a kind of printer, comprise paper feed platform 10, printhead 20, the first transport roller 30, the second transport roller 40, the 3rd transport roller 50 and enclosing cover 60, the first transport roller 30 and printhead 20 are relatively arranged on the front portion of paper feed platform 10, the second transport roller 40 and the 3rd transport roller 50 are relatively arranged on the rear portion of paper feed platform 10, and enclosing cover 60 covers printhead 20, the first transport roller 30, the second transport roller 40, the 3rd transport roller 50.
Wherein, also include control circuit (not shown), paper feed operating portion 70 and driving mechanism (not shown), paper feed operating portion 70 and driving mechanism all are electrically connected with control circuit, paper feed operating portion 70 is exposed to described enclosing cover 60, and driving mechanism is connected with described the first transport roller 30, the second transport roller 40 or the 3rd transport roller 50 and drives described the first transport roller 30, the second transport roller 40 and the 3rd transport roller 50.
Described paper feed operating portion 70 comprises paper feed key 71 and moves back paper key 72, and paper feed key 71 is with respect to moving back the more close described printhead 20 of paper key 72.Also include inductive head 80 and lower inductive head 90, upper inductive head 80, lower inductive head 90 are relative, and upper inductive head 80, lower inductive head 90 lay respectively at top, the below of described paper feed platform 10.
The present embodiment has following advantage:
1, the application is provided with three transport rollers, and the first transport roller 30 is relative with printhead 20, and the second transport roller 40 is relative with the 3rd transport roller 50, according to user's needs, can realize easily paper feed and move back paper, uses more convenient;
2, enclosing cover 60 covers printhead 20, the first transport roller 30, the second transport roller 40, the 3rd transport roller 50, at paper feed or when moving back paper, need not printhead 20 is opened, and has reduced the chance that dust enters, and also avoids mistake to bump and causes the damage of printhead 20;
3, this printer can be realized the paper of advancing and retreat easily, in print procedure, can operate at any time and realize advance and retreat paper, allow printing paper contact with printhead 20, produce friction, and automatically the dust of printhead 20 is taken away by printing paper, thus the automatic cleaning function of realization printhead 20, further improve the quality of printing, reach beyond thought cleaning effect;
4, by control circuit and paper feed operating portion 70, can be more easily to paper feed and move back paper and control, even can realize automatic paper feed and automatically move back paper, and realize the paper feed amount and move back the accurate control of paper amount; Paper feed key 71 is with respect to moving back the more close described printhead 20 of paper key 72, press near the paper feed of printhead 20 1 sides strongly, printing paper is to printhead 20 1 side shiftings, presses to move back paper key 72 away from printhead 20 1 sides, printing paper operates more directly perceived away from printhead 20 1 side shiftings;
5, by upper inductive head 80, lower inductive head 90, can respond to the paper feed amount of printing paper or move back the paper amount, can realize accurate control.
The above embodiment has only expressed the specific embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.