CN218084805U - Printer with dustproof function - Google Patents

Abstract

The utility model relates to a printer with dustproof function, which comprises a shell, a printer body and a flip, wherein the printer body is arranged in the shell, one side of the flip is rotationally connected with the shell, and the other side of the flip is connected with the shell to form a paper outlet; the paper outlet is provided with a dustproof piece, the dustproof piece comprises a main part and a branch part, the branch part is an elastic sheet, and the branch part is arranged on the main part; the cadre is located on the flip, branch portion with the cooperation of exit slot, under the normality, branch portion shelters from the exit slot, and during the printing, the paper will branch portion backs down, the beneficial effects of the utility model are that: the dustproof noise that has still reduced in the time, simple structure, easy dismounting, it is steady smooth to go out paper.

Description

Printer with dustproof function

Technical Field

The utility model belongs to the technical field of the printer, specific theory is about a printer with dustproof function.

Background

With the development of society, the application field of printers is wider and wider, wherein, many devices such as handheld POS machines, desktop cash registers and the like which are closely related to people's lives are connected with or integrated with the printers, and the development of the printers is more and more intelligent and automatic.

And along with the application field is more and more extensive, the environment that the printer or the integrated equipment that has the printer was used is also more and more complicated, there is the dust in a lot of scene, and current especially use the printer that is applied to handheld POS machine, the desk top cash register equipment etc. and people's life is closely correlated with the field, because the exit slot of printer does not possess dustproof function, dust and debris advance the rubber roll from the exit slot easily, lead to the condition of card paper and damage printer in the mechanical transmission module, thereby influence the normal use of printer, and reduce the life of printer.

In chinese patent CN201613703U, an elastic silica gel sheet is embedded in a housing on one side of a paper outlet, firstly, silica gel itself has elasticity, and is not beneficial to embedding, so the assembly and disassembly are inconvenient, secondly, in the using process, dust can be accumulated between the silica gel sheet and the housing, and the accumulated dust is easier to enter the printer when disassembling.

Meanwhile, the printing roll paper in the existing printer is basically directly placed in the shell, and the mode of facilitating the rotation of the printing roll paper such as supporting by using a roller is rarely adopted, and the reason is that dust or sundries enter and are accumulated, so that the roller is easy to clamp and is not beneficial to paper feeding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a printer with dustproof function to solve the problem that can not effectively prevent dust or debris entering printer inside of current printer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the printer with the dustproof function comprises a shell, a printer body and a flip cover, wherein the printer body is arranged in the shell, one side of the flip cover is rotatably connected with the shell, and the other side of the flip cover is connected with the shell to form a paper outlet; the paper outlet is provided with a dustproof piece,

the dustproof piece comprises a main part and a branch part, wherein the branch part is an elastic sheet and is arranged on the main part; the main part is arranged on the flip cover, the branch part is matched with the paper outlet, the branch part shields the paper outlet in a normal state, and the paper pushes the branch part open during printing.

Preferably, the main part is also provided with a fixing column for mounting the dust-proof piece.

Preferably, a first fixing hole is formed in the flip cover, and the dustproof piece is detachably arranged on the first fixing hole through the fixing column.

Preferably, a hanging groove is formed between the upper part of the branch part and the trunk part, so that the branch part has elasticity, and the lower part of the branch part is connected with the bottom of the trunk part to form a paper discharging channel.

Preferably, the paper output channel is arc-shaped.

Preferably, the housing is provided with a rotating shaft for placing the printing roll paper.

Preferably, the inner bottom of the shell is provided with more than two rollers.

Preferably, the roller comprises a hub, roller shafts are respectively formed at two ends of the hub, the roller shafts are connected with the housing, and the roller shafts can rotate relative to the housing.

The utility model discloses a printer with dustproof function, its beneficial effect is: the dust-proof paper box has the advantages of effective dust prevention, noise reduction, simple structure, convenience in assembly and disassembly and more stable and smooth paper discharge; the concrete body is as follows:

first, increase the dustproof piece at the exit slot, prevented that dust or foreign matter from the exit slot entering printer inside and the printer trouble that leads to or print the quality and descend, simultaneously, thereby the dustproof piece can also block the conduction noise reduction of the sound wave that the inside during operation of printer produced.

Secondly, by adding the roller, the surface contact between the printing roll paper and the shell is changed into rolling contact between the printing roll paper and the roller, and then the roller shaft is in rolling contact with the shell, so that the resistance of the shell to the rotation of the printing roll paper is reduced, and the force required by the rolling of the printing roll paper is ensured not to change along with the consumption of the printing roll paper, thereby enabling the paper discharge to be more stable and smooth, and simultaneously reducing the noise caused by the surface contact friction.

Drawings

Fig. 1 is a schematic structural view of a printer with a dustproof function according to the present invention;

fig. 2 is an exploded view of the printer with dust-proof function according to the present invention;

FIG. 3 is a schematic view of a flip cover of a printer with a dust-proof function;

FIG. 4 is a schematic view of a roller of a printer with a dust-proof function;

fig. 5 is a schematic structural view of a dust-proof member of a printer having a dust-proof function.

Wherein: 11 is a shell; 12 is a turnover cover; 121 is a rotating shaft; 122 is a first fixing hole; 13. is a printer body; 131 is an fpc connecting line; 14 is a paper outlet; 21 is a trunk part; 22 is a branch part; 23 is a fixed column; 3 is a roller; 31 is a wheel hub; 32 is a roller shaft; and 4, printing roll paper.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

As shown in fig. 1 and fig. 2, the printer with a dustproof function of the present invention includes a housing 11, a flip 12, a printer body 13 and a dustproof member, where the printer body 13 is a prior art and is not described again; the printer body 13 is arranged in the shell 11, one side of the flip 12 is rotatably connected with the shell 11 through a rotating shaft 121, and the other side of the flip 12 is connected with the shell 11 to form a paper outlet 14; a dust-proof member is provided on the paper outlet 14, the dust-proof member includes a trunk portion 21 and a branch portion 22, the branch portion 22 is an elastic sheet, and the branch portion 22 is provided on the trunk portion 21; the trunk portion 21 is provided on the flap 12, the branch portion 22 is fitted to the paper discharge port 14, and the branch portion 22 covers the paper discharge port 14 in a normal state, so that the branch portion 22 is pushed open by paper during printing.

Furthermore, a fixing column 23 for installing a dustproof piece is further arranged on the main trunk portion 21, so that the dustproof piece is convenient to install and detach.

As shown in fig. 2, the printer body 13 is provided in the housing 11, a position between the printing roll papers 4 for printing is provided in the housing 11, the printer body 13 is provided with fpc connecting lines 131 for electrically connecting with the external device of the printer, and the printer body 13 is also provided with a cutter for cutting off the printed paper for improving the convenience of use.

Specifically, in the present embodiment, as shown in fig. 5, the dust-proof member includes a main portion 21, a branch portion 22 is connected to a side of the main portion 21 close to the paper outlet 14, a suspension groove 24 is formed between an upper portion of the branch portion 22 and the main portion 21, so that the branch portion 22 has elasticity, a lower portion of the branch portion 22 is connected to a bottom of the main portion 21, an arc-shaped paper outlet channel is formed, when in use, dust can gather in the suspension groove 24, and when disassembly and cleaning are needed, it is ensured that the dust cannot fall into the printer body 13; in use, the sheet is guided out of the sheet discharge path and discharged to the sheet discharge port 14 along the branch portion 22.

Specifically, in the present embodiment, as shown in fig. 3, by providing a first fixing hole 122 on the flip 12, the dust-proof component is detachably provided in the first fixing hole 122 through the fixing column 23, and the main portion 21 is tightly attached to the flip 12, and the branch portion 22 contacts with the paper outlet 14 of the housing 11; the dust-proof member can be easily removed when the lid 12 is opened.

Further, in this embodiment, the branch portion 22 is made of a silicone material; the silica gel material has elasticity and is easy to clean.

In the present embodiment, the housing 11 is provided with a rotating shaft for placing the printing roll paper 4; when the printer used the cored scroll, in the inside of printer, can also set up the pivot, at this moment, on cored scroll cover located the pivot, at the printing in-process, it was invariable to ensure to drive the required power of cored scroll rotation to ensure the stationarity of going out paper.

In the embodiment, at least two rollers 3 for placing the printing roll paper 4 are arranged on the inner wall of the bottom of the shell 11; when the printer uses a solid printing paper roll, the rotating shaft is detached, and the printing paper roll is placed on the roller 3, so that the supporting function is achieved on one hand, and the rolling driving function is achieved on the other hand.

As shown in fig. 4, the roller 3 includes a cylindrical roller shaft 32, a hub 31 having a diameter larger than that of the roller shaft 32; it should be noted that the roller 3 may not only be in the form shown in fig. 4, but also be in the form of a dumbbell, i.e., the two ends have a larger diameter and serve as the hubs 31, and the middle diameter is smaller and serves as the roller shaft 32.

In this embodiment, the roller 3 is disposed in the following ways:

first, the bottom of the housing 11 is provided with first through holes and/or recesses corresponding to the number of the rollers 3 and capable of accommodating the wheel hub 31.

The first through hole and/or the recessed two sides coaxial with the roller 3 are provided with first U-shaped grooves matched with the roller shaft 32, the roller 3 is connected to the shell 11 through the rotation between the roller shaft 32 and the first U-shaped grooves, and the hub 31 protrudes out of the inner wall of the shell 11.

In a second way, the bottom of the housing 11 is provided with first through holes and/or recesses, the number of which is the same as that of the rollers 3 and can accommodate the wheel hubs 31.

The two sides of the first through hole and/or the first recess, which are coaxial with the roller 3, are provided with second through holes and/or second recesses matched with the roller shaft 32, the roller 3 is connected to the shell 11 through the rotation between the roller shaft 32 and the second through holes and/or second recesses, and the hub 31 protrudes out of the inner wall of the shell 11.

In a third mode, rollers 3 and/or roller 3 strut combinations, which are the same as the rollers 3 in number and used for supporting the rollers 3, are arranged on the inner wall of the bottom of the shell 11.

And the roller 3 support and/or the roller 3 support assembly is/are provided with a second U-shaped groove matched with the roller shaft 32, and the roller 3 is connected with the shell 11 through the rotation between the roller shaft 32 and the second U-shaped groove.

In a fourth mode, rollers 3 and/or roller 3 strut combinations, which are the same as the rollers 3 in number and used for supporting the rollers 3, are/is arranged on the inner wall of the bottom of the shell 11.

And the roller 3 support and/or the roller 3 support combination are/is provided with a third through hole and/or a recess matched with the roller shaft 32, and the roller 3 is connected with the shell 11 through the rotation between the roller shaft 32 and the third through hole and/or the recess.

It should be noted that the present embodiment simply lists the above four ways of providing the roller 3 for supporting the roll paper 4 by the roller 3, but not only these four ways, for example, a rib may be provided on the inner wall of the housing 11 along the radial surface of the roll paper 4, and the roller 3 may be provided on the rib; therefore, the mode of using the roller 3 to support the printing roll paper 4 to avoid the contact between the printing roll paper 4 and the inner wall of the housing 11 should be considered as being within the protection scope of the present invention.

The printer with dustproof function of this embodiment has still reduced the noise when effectively dirt-proof, and simple structure, easy dismounting, and print stock form 4 different according to the use, can set up roller bearing or gyro wheel 3 to make the play paper more steady smooth.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the dustproof piece is added at the paper outlet 14, so that the printer fault or printing quality reduction caused by the fact that dust or foreign matters enter the printer from the paper outlet 14 is prevented, and meanwhile, the dustproof piece can also block the conduction of sound waves generated in the printer during operation, so that the noise is reduced.

2. By adding the roller 3, the surface contact between the printing roll paper 4 and the shell 11 is changed into rolling contact between the printing roll paper 4 and the roller 3, and then the rolling contact between the roller shaft 32 and the shell 11 reduces the resistance of the shell 11 to the rotation of the printing roll paper 4, and simultaneously ensures that the force required by the rolling of the printing roll paper 4 does not change along with the consumption of the printing roll paper 4, thereby leading the paper outlet to be more stable and smooth, and simultaneously reducing the noise caused by the surface contact friction.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention. Such modifications and finishes are also to be considered as the scope of protection of the present invention.

Claims (7)

1. Printer with dustproof function, its characterized in that: the printer comprises a shell, a printer body and a flip cover, wherein the printer body is arranged in the shell, one side of the flip cover is rotationally connected with the shell, and the other side of the flip cover is connected with the shell to form a paper outlet; the paper outlet is provided with a dustproof piece,

the dustproof piece comprises a main part and a branch part, wherein the branch part is an elastic sheet and is arranged on the main part; the main part is arranged on the flip cover, the branch part is matched with the paper outlet, the branch part shields the paper outlet in a normal state, and the paper pushes the branch part open during printing.

2. The printer with a dust-proof function according to claim 1, wherein: and a fixing column for mounting a dustproof piece is also arranged on the main drying part.

3. The printer with a dust-proof function according to claim 2, wherein: the flip cover is provided with a first fixing hole, and the dustproof piece is detachably arranged on the first fixing hole through the fixing column.

4. The printer with a dust-proof function according to claim 1, wherein: a suspension groove is formed between the upper part of the branch part and the main part, so that the branch part has elasticity, and the lower part of the branch part is connected with the bottom of the main part to form a paper outlet channel.

5. The printer with a dust-proof function according to claim 4, wherein: the paper outlet channel is arc-shaped.

6. The printer with a dust-proof function according to claim 1, wherein: the shell is provided with a rotating shaft for placing printing roll paper.

7. The printer with a dust-proof function according to claim 1, wherein: more than two rollers are arranged at the inner bottom of the shell.

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