CN209224734U - Printer paper guide frame - Google Patents

Abstract

The utility model provides a kind of printer paper guide frame, the printer includes printer main body and the print head assembly that is set on printer main body, marking roll, paper feed channel and paper delivery channel, the paper feed channel is located at before print position, paper delivery channel is located at after print position, guide part and the reset element for ejecting guide part are additionally provided on the printer main body, guide channel is formed between the guide part and marking roll, the guide channel both ends abut paper feed channel and paper delivery channel respectively, when print head assembly presses to the marking roll, guide part is far from the marking roll；When print head assembly is separated with marking roll, the guide part resets, and constitutes the guide channel with marking roll.The utility model, when changing paper, paper is moved along guide channel to paper delivery channel, is prevented paper from entering machine core channel with exterior domain, is avoided paper jam；And in printing, guide part avoids print head assembly, does not influence normal print and paper delivery.

Description

Printer paper guide frame

Technical field

The utility model belongs to printing technique field, in particular to a kind of printer paper guide frame.

Background technique

In printer print procedure, print head assembly drives close or leaves rubber roller (marking roll), paper and carbon by driving lever Band passes through between print head assembly and rubber roller, and after driving print head assembly and rubber roller compresses, rubber roller rotate driving paper is walked Paper realizes printing；When replacing paper or carbon ribbon, driving lever unlock, it is open that print head assembly is separated with rubber roller between the two Structure, label can be directly entered inside machine core along the Open architecture, to cause paper jam in printing.

Utility model content

In view of the above deficiencies of the prior art, the purpose of this utility model is to provide a kind of printer paper guiding Structure prevents paper from entering paper feed channel with exterior domain, avoids paper jam when replacing paper.

In order to achieve the above objects and other related objects, the technical solution of the utility model is as follows:

A kind of printer paper guide frame, the printer include printer main body and are set on printer main body Print head assembly, marking roll, paper feed channel and paper delivery channel, the paper feed channel is located at before print position, paper delivery channel After print position, guide part and the reset element for ejecting guide part are additionally provided on the printer main body, Guide channel is formed between the guide part and marking roll, which abuts paper feed channel and paper delivery channel respectively, when When print head assembly presses to the marking roll, guide part is far from the marking roll；When print head assembly is separated with marking roll, institute Guide part reset is stated, constitutes the guide channel with marking roll.

Using the above structure, it is logical that guiding is formed when print head assembly is separated with marking roll, between guide part and marking roll Road connects paper feed channel and paper delivery channel, so that the paper entered is moved along guide channel to paper delivery channel, It prevents paper from entering machine core channel with exterior domain, avoids paper jam；And in printing, guide part avoids print head assembly, no Influence normal print and paper delivery.

Further, the guide part and print head assembly linkage are arranged, and when print head assembly presses to the marking roll, beat It prints head assembly and pressure is applied to guide part, so that reset element is compressed.

Further, the guide part is located at the side of print head assembly, the acting surface of the guide part and print head assembly For inclined-plane or cambered surface.

Further, it is surrounded between the guide plate and marking roll periphery on the guide part with the guide plate of arc Guide channel is curved channel.

Further, it is provided with the guide post parallel with marking roll on the guide part, which is arranged in printing owner On body, described reset element one end is against on printer main body, and the other end supports over the guide.

Further, the reset element is spring, which is set in the guide post.

Further, the support column for assisting guiding, the support are additionally provided between the guide part and printer main body Column is threaded through on the printer main body.

Further, the guide post, support column and guide part are integrally formed.

Further, guide sleeve is installed, the guide post and support column are threaded through corresponding lead on the printer main body Into set.

As described above, the beneficial effects of the utility model are: the utility model, separates in print head assembly with marking roll When, guide channel is formed between guide part and marking roll, and paper feed channel and paper delivery channel are connected, so that enter Paper is moved along guide channel to paper delivery channel, is prevented paper from entering the machine core channel inside machine core with exterior domain, is avoided Paper jam；And in printing, guide part avoids print head assembly, does not influence normal print and paper delivery.

Detailed description of the invention

Fig. 1 is the perspective view (partially cuing open) of the utility model；

Fig. 2 is the front sectional view of the utility model；

Fig. 3 is the left view of Fig. 2.

Piece mark explanation:

1- printer main body；2- print head assembly；3- marking roll；4- guide part；41 guide plates；5- reset element；6- is led Xiang Zhu；7- support column；8- guide sleeve.

Specific embodiment

The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily.

As shown in Figure 1 to Figure 3, the utility model provides a kind of printer paper guide frame, and the printer includes beating Owner's body 1 and print head assembly 2, marking roll 3, paper feed channel A and paper delivery channel B are printed, printer main body 1 is machine core in this example Frame, print head assembly 2, marking roll 3, paper feed channel A and paper delivery channel B are arranged on the printer main body 1, wherein print head The position that component 2 and marking roll 3 cooperate is print position, and the paper feed channel A is located at before print position, is entered for paper Print position, paper delivery channel B are located at after print position, the submitting for the paper after printing；Wherein, the printer main body Guide part 4 and the reset element 5 for ejecting guide part 4 is additionally provided on 1 to lead when reset element 5 ejects guide part 4 To guide channel C is formed between 3 periphery of part 4 and marking roll, the import of guide channel C is adjacent or connected with paper feed channel A It connects, export adjacent with paper delivery channel B or is connected, when print head assembly 2 presses to the marking roll 3, guide part 4 is by print head Component 2 squeezes and the separate marking roll 3；When print head assembly 2 is separated with marking roll 3, the guide part is in reset element Effect lower 4 resets, and constitutes the guide channel C with marking roll 3.Filled arrows direction is turning for print head assembly 2 in Fig. 2 Dynamic direction, paper feed channel A, guide channel C, the paper delivery channel B in tag motion direction.

When print head assembly 2 is separated with marking roll 3, guide channel C is formed between guide part 4 and marking roll 3, by paper feed Channel A and paper delivery channel B are connected, so that the paper entered is moved along guide channel C to paper delivery channel B, are prevented Paper enters inside machine core, avoids paper jam；And in printing, guide part 4 avoids print head assembly 2, it is therefore prevented that interference, no Influence normal print and paper delivery

In one embodiment, driving mechanism driving guide part 4 can be separately provided to move, it is made to avoid print head assembly 2 or reset.

In one embodiment, guide part 4 and the linkage of print head assembly 2 are arranged, that is, pass through the movement of print head assembly 2 Band lower moving guide 4 moves；Specifically, when print head assembly 2 presses to the marking roll 3, print head assembly 2 applies guide part 4 Plus-pressure, so that reset element 5 is compressed, guide part 4 gets out of the way print head assembly 2.

In one embodiment, the guide part 4 is located at the side of print head assembly 2, the guide part 4 and print head The acting surface of component 2 is inclined-plane or cambered surface.When print head assembly 2 is moved to marking roll 3, guiding is squeezed by inclined-plane or cambered surface Part 4 gets out of the way print head assembly 2 to make 4 lateral movement of guide part.It is wherein described to be laterally parallel to 3 axis of marking roll for edge Direction.

In one embodiment, on the guide part 4 with the guide plate 41 of arc, outside the guide plate and marking roll 3 The guide channel C surrounded between disc is curved channel.

In one embodiment, it is laterally moving back and forth convenient for guide part 4, is provided with and beats on the guide part 4 The parallel guide post 6 of roller 3 is printed, which is arranged on printer main body 1, wherein reset element 5 is compressed spring, the pressure Contracting spring is set in outside the guide post 6, and described compressed spring one end is against on printer main body 1, and the other end is against guide part 4 On.

In one embodiment, it is supported for the stabilization convenient for guide part 4 and lateral movement prevents beat in the process； It is additionally provided with support column 7 on the guide part 4, which is threaded through on the printer main body 1, parallel with guide post 6.

In one embodiment, mounting hole is offered on the printer main body 1, and there are two guide sleeve 8, institutes for installation It states guide post 6 and support column 7 is threaded through in corresponding guide sleeve 8.Pass through guide sleeve 8, the pendulum of restricted guidance column 6 and support column 7 It is dynamic；

In one embodiment, it is provided with position limiting structure, such as retainer ring or snap ring on the guide post 6 and support column 7, It prevents guide post 6 and support column 7 along being axially disengaging printer main body 1, for convenient for manufacture, the guide post 6, support column 7 and leads It is integrally formed to part 4.

Any person skilled in the art all can be under the spirit and scope without prejudice to the utility model, to above-described embodiment Carry out modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed in the utility model Spirit with technical idea under all equivalent modifications or change for being completed, should be contained by the claim of the utility model Lid.

Claims (9)

1. a kind of printer paper guide frame, the printer include printer main body and are set on printer main body Print head assembly, marking roll, paper feed channel and paper delivery channel, the paper feed channel are located at before print position, paper delivery channel position After print position, it is characterised in that: be additionally provided with guide part on the printer main body and for ejecting guide part Reset element forms guide channel between the guide part and marking roll, which abuts paper feed channel respectively and go out Paper channel, when print head assembly presses to the marking roll, guide part is far from the marking roll；When print head assembly and marking roll When separation, the guide part resets, and constitutes the guide channel with marking roll.

2. printer paper guide frame according to claim 1, it is characterised in that: the guide part and the print head Component linkage setting, when print head assembly presses to the marking roll, print head assembly applies pressure to guide part, so that resetting Compression element.

3. printer paper guide frame according to claim 2, it is characterised in that: the guide part is located at printhead cluster The acting surface of the side of part, the guide part and print head assembly is inclined-plane or cambered surface.

4. printer paper guide frame according to claim 1 to 3, it is characterised in that: on the guide part Guide plate with arc, the guide channel surrounded between the guide plate and marking roll periphery are curved channel.

5. printer paper guide frame according to claim 3, it is characterised in that: be provided with and beat on the guide part Print rolls out capable guide post, which is arranged on printer main body, and described reset element one end is against on printer main body, The other end supports over the guide.

6. printer paper guide frame according to claim 5, it is characterised in that: the reset element is spring, should Spring is set in the guide post.

7. printer paper guide frame according to claim 5, it is characterised in that: the guide part and printer main body Between be additionally provided with support column for assisting guiding, which is threaded through on the printer main body.

8. printer paper guide frame according to claim 7, it is characterised in that: be equipped on the printer main body Guide sleeve, the guide post and support column are threaded through in corresponding guide sleeve.

9. printer paper guide frame according to claim 7, it is characterised in that: the guide post, support column and lead It is integrally formed to part.