CN216400980U - Paper tearing blade protection mechanism and printer with same - Google Patents

Abstract

The utility model relates to the technical field of printers, and discloses a paper tearing blade protection mechanism and a printer with the same, wherein the protection mechanism comprises an upper cover, a paper tearing blade and a protection cover, the upper cover is provided with a paper outlet, the paper tearing blade is arranged at the paper outlet of the upper cover, the protection cover of the protection mechanism can be buckled at the cutter opening of the paper tearing blade to prevent the cutter opening of the paper tearing blade from being exposed outside the printer and prevent a user from being scratched by the paper tearing blade, when the user tears printing paper, the protection cover can rotate relative to the upper cover or the paper tearing blade to ensure that the printing paper can be smoothly contacted with the cutter opening of the paper tearing blade so as to facilitate the user to tear down the printing paper, after the paper tearing is completed, the protection cover can rotate relative to the upper cover or the paper tearing blade and buckle the cutter opening of the paper tearing blade, therefore, the protection mechanism can protect the user, does not influence the paper tearing action and can be convenient to use, the printer adopting the protection mechanism has higher market competitiveness.

Description

Paper tearing blade protection mechanism and printer with same

Technical Field

The utility model relates to the technical field of printers, in particular to a paper tearing blade protection mechanism and a printer with the same.

Background

Printers are widely used in various places in daily life and work, such as banks, supermarkets, or dining stores, which often require the use of a printer to print tickets or orders. The printer among the prior art is for the user to tear printing paper off, installs the paper tearing blade in the exit slot department of printer, and the edge of a knife part of tearing the paper blade exposes outside the printer, and when the user tears paper, carelessly slightly, will be by fish tail hand, has brought very big inconvenience for the use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a paper tearing blade protection mechanism which can prevent a user from being scratched by a paper tearing blade.

In order to solve the problems, the technical scheme adopted by the paper tearing blade protection mechanism is as follows: the utility model provides a tear paper blade protection machanism, includes upper cover, tear paper blade and visor, the upper cover has the exit slot, tear the paper blade install in the exit slot department of upper cover, the visor can be relative the upper cover with tear the paper blade and rotate, and the buckle closure tear the edge of a knife of paper blade.

Compared with the prior art, the paper tearing blade protection mechanism has the beneficial effects that: this protection machanism's visor can the buckle closure in the edge of a knife department of tearing the paper blade, avoid tearing the edge of a knife of paper blade to expose outside the printer, can avoid the user by tearing the paper blade fish tail, and when the user tears printing paper, the visor can upper cover or tear the paper blade rotation again relatively, so that beat printing paper can smoothly with the edge of a knife contact of tearing the paper blade, so that the user tears printing paper, after accomplishing the paper that tears, the visor can upper cover or tear the paper blade rotation relatively again, and the edge of a knife of buckle closure paper blade, therefore, this protection machanism can enough protect the user, can not influence the action of tearing again, can facilitate the use.

In the paper tearing blade protection mechanism, the protection cover is provided with the protection groove, and when the knife edge of the paper tearing blade is buckled and covered by the protection cover, the knife edge of the paper tearing blade is positioned in the protection groove.

The protective cover is arranged on the upper cover, the paper tearing blade is arranged on the upper cover, and the protective cover is buckled on the knife edge of the paper tearing blade.

Foretell tear paper blade protection machanism, the visor rotates to be connected the upper cover, the protection groove has preceding inner wall and last inner wall, the visor buckle closure during the edge of a knife of tearing paper blade, preceding inner wall is located the front side of the edge of a knife of tearing paper blade, reset the piece for locating tear the shell fragment of paper blade front side, the shell fragment with the last inner wall elastic contact in protection groove.

Foretell tear paper blade protection machanism, the rear side of tearing the paper blade is equipped with the elasticity card foot, the inner wall of upper cover is equipped with the fixture block, the fixture block with the draw-in groove has between the inner wall of upper cover, but elasticity card foot joint in the draw-in groove.

The utility model also provides a printer with the paper tearing blade protection mechanism, which can prevent a user from scratching the hand while ensuring normal paper tearing and can improve the market competitiveness of the printer.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is one of the schematic views (exploded schematic view) of the shielding mechanism according to the embodiment of the present invention;

FIG. 2 is a second schematic view of a shielding mechanism according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a third schematic view of a protection mechanism according to an embodiment of the present invention;

FIG. 5 is a partial enlarged view of the portion B in FIG. 4;

FIG. 6 is a fourth illustration of the protection mechanism according to the embodiment of the present invention;

fig. 7 is a partial enlarged view at C in fig. 6.

The reference numbers illustrate: 100 upper cover, 110 paper outlet, 120 fixture block, 130 fixture block, 200 paper tearing blade, 210 knife edge, 220 elastic fixture pin, 300 protective cover, 310 protective groove, 311 front inner wall, 312 upper inner wall and 400 reset piece.

Detailed Description

Describing an embodiment of the present invention in detail, referring to fig. 1 to 7, an embodiment of the present invention provides a paper tearing blade protection mechanism, including an upper cover 100, a paper tearing blade 200, and a protective cover 300, where the upper cover 100 has a paper output 110, the paper tearing blade 200 is installed at the paper output 110 of the upper cover 100, and the protective cover 300 can rotate relative to the upper cover 100 and the paper tearing blade 200 and covers a knife edge 210 of the paper tearing blade 200. The protective cover 300 of the protective mechanism can be buckled at the knife edge 210 of the paper tearing blade 200, so that the knife edge 210 of the paper tearing blade 200 is prevented from being exposed outside the printer, a user can be prevented from being scratched by the paper tearing blade 200, when the user tears printing paper, the protective cover 300 can rotate relative to the upper cover 100 or the paper tearing blade 200, so that the printing paper can smoothly contact with the knife edge 210 of the paper tearing blade 200, the user can tear printing paper, after the paper tearing is completed, the protective cover 300 can rotate relative to the upper cover 100 or the paper tearing blade 200 and buckle the knife edge 210 of the paper tearing blade 200, therefore, the protective mechanism can protect the user, cannot influence the paper tearing action, and can be used conveniently.

Specifically, the protective cover 300 is provided with a protective groove 310, when the protective cover 300 covers the knife edge 210 of the paper tearing blade 200 in a buckled manner, the knife edge 210 of the paper tearing blade 200 is located in the protective groove 310, when paper is not torn, the protective groove 310 can accommodate the knife edge 210 of the paper tearing blade 200 to prevent the paper tearing blade 200 from being exposed to prevent a user from being scratched by a hand, further, a reset piece 400 is arranged between the protective cover 300 and the upper cover 100 or the paper tearing blade 200, the reset piece 400 can enable the protective cover 300 to rotate relative to the upper cover 100 or the paper tearing blade 200 and enable the protective cover 300 to cover the knife edge 210 of the paper tearing blade 200, when paper is torn, under the pulling of printing paper, the protective cover 300 rotates relative to the upper cover 100 or the paper tearing blade 200 to give way to the knife edge 210 of the paper tearing blade 200 to expose the knife edge 210 of the paper tearing blade 200, so that the paper tearing action can be performed smoothly, after the paper is torn, under the action of the reset piece 400, the protective cover 300 rotates in an opposite direction, so that the protective cover 300 covers the knife edge 210 of the paper tearing blade 200, and the knife edge 210 of the paper tearing blade 200 is positioned in the protective groove 310, thereby preventing the user from scratching the hand.

It should be noted that, the protective cover 300 can rotate relative to the upper cover 100 and the paper tearing blade 200, and may refer to that the protective cover 300 rotates to connect the upper cover 100, or that the protective cover 300 rotates to connect the paper tearing blade 200, as long as the protective cover 300 can rotate to cover the knife edge 210 of the paper tearing blade 200 or expose the knife edge 210 of the paper tearing blade 200 according to the requirement, the reset piece 400 may be installed on the upper cover 100, or may be installed on the paper tearing blade 200, as long as the protective cover 300 can reset to cover the knife edge 210 of the paper tearing blade 200 after the paper tearing is finished.

Preferably, the protection cover 300 is rotatably connected to the upper cover 100, the protection groove 310 has a front inner wall 311 and an upper inner wall 312, and when the protection cover 300 covers the knife edge 210 of the paper tearing blade 200, the front inner wall 311 is located at the front side of the knife edge 210 of the paper tearing blade 200, so as to prevent the knife edge 210 of the paper tearing blade 200 from being exposed, specifically, the reset piece 400 is an elastic piece arranged at the front side of the paper tearing blade 200, the elastic piece is in elastic contact with the upper inner wall 312 of the protection groove 310, when paper is torn, under the dragging of the printing paper, the elastic sheet is pressed, so that the protective cover 300 can smoothly rotate, the front inner wall 311 of the protective groove 310 is far away from the knife edge 210 of the paper tearing blade 200, to expose the knife edge 210 of the paper tearing blade 200, to ensure the smooth paper tearing, after the paper tearing is finished, under the reaction force of the elastic sheet to the upper inner wall 312 of the protection slot 310, the front inner wall 311 of the protection slot 310 is located at the front side of the paper tearing blade 200 again to cover the knife edge 210 of the paper tearing blade 200.

Further, the rear side of the paper tearing blade 200 is provided with an elastic clamping pin 220, the inner wall of the upper cover 100 is provided with a clamping block 120, a clamping groove 130 is formed between the clamping block 120 and the inner wall of the upper cover 100, and the elastic clamping pin 220 can be clamped in the clamping groove 130, so that the paper tearing blade 200 can be conveniently mounted and dismounted, specifically, in the mounting process, referring to fig. 4 and 5, the protective cover 300 is firstly rotatably connected to the paper outlet 110 of the upper cover 100, referring to fig. 6 and 7, after the protective cover 300 is mounted, the elastic clamping pin 220 is clamped in the clamping groove 130, the paper tearing blade 200 is mounted, and at the moment, the elastic piece on the paper tearing blade 200 is in elastic contact with the upper inner wall 312 of the protective cover 300.

The embodiment of the utility model also provides a printer with the paper tearing blade protection mechanism, which can prevent a user from scratching the hand while ensuring normal paper tearing and can improve the market competitiveness of the printer.

It should be noted that in the description of the present invention, if orientation descriptions such as the directions of up, down, front, back, left, right, etc. are referred to, all the orientations or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed or operated in a specific orientation, and should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. The description to first or second etc. is for the purpose of distinguishing between technical features and is not to be construed as indicating or implying a relative importance or implying a number of indicated technical features or implying a precedence relationship between indicated technical features.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (6)

1. A paper tearing blade protection mechanism, comprising:

an upper cover (100), the upper cover (100) having a paper outlet (110);

a paper tearing blade (200), wherein the paper tearing blade (200) is installed at the paper outlet (110) of the upper cover (100);

the protective cover (300), the protective cover (300) can rotate relative to the upper cover (100) and the paper tearing blade (200), and covers the knife edge (210) of the paper tearing blade (200).

2. The paper tearing blade protection mechanism according to claim 1, wherein the protection cover (300) is provided with a protection groove (310), and when the protection cover (300) covers the knife edge (210) of the paper tearing blade (200), the knife edge (210) of the paper tearing blade (200) is located in the protection groove (310).

3. The paper tearing blade protection mechanism according to claim 2, wherein a reset member (400) is arranged between the protection cover (300) and the upper cover (100) or the paper tearing blade (200), and the reset member (400) can enable the protection cover (300) to rotate relative to the upper cover (100) or the paper tearing blade (200) and enable the protection cover (300) to cover the knife edge (210) of the paper tearing blade (200).

4. The paper tearing blade protection mechanism according to claim 3, wherein the protection cover (300) is rotatably connected with the upper cover (100), the protection groove (310) is provided with a front inner wall (311) and an upper inner wall (312), when the protection cover (300) covers the knife edge (210) of the paper tearing blade (200), the front inner wall (311) is located on the front side of the knife edge (210) of the paper tearing blade (200), the reset piece (400) is an elastic piece arranged on the front side of the paper tearing blade (200), and the elastic piece is in elastic contact with the upper inner wall (312) of the protection groove (310).

5. The paper tearing blade protection mechanism according to claim 1, wherein an elastic clamping pin (220) is arranged at the rear side of the paper tearing blade (200), a clamping block (120) is arranged on the inner wall of the upper cover (100), a clamping groove (130) is arranged between the clamping block (120) and the inner wall of the upper cover (100), and the elastic clamping pin (220) can be clamped in the clamping groove (130).

6. A printer comprising a paper tear blade guard mechanism as claimed in any one of claims 1 to 5.

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