CN216099037U

CN216099037U - Cutter head assembly of paper cutter and paper cutter applying same

Info

Publication number: CN216099037U
Application number: CN202121395265.8U
Authority: CN
Inventors: 张春雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-03-22
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to a cutter head component of a paper cutter and the paper cutter applying the cutter head component, wherein the cutter head component comprises a cover body structure, a blade force application mechanism, a base with a blade inlet and a blade outlet and a blade, the blade is connected with the blade force application mechanism, the inner side of the cover body structure is provided with a jacking component capable of moving up and down, the blade force application mechanism moves along the direction of the jacking force when contacting the jacking component and receiving the jacking force of the jacking component, the base is positioned below the cover body structure and assembled with the cover body structure, and the blade is positioned at the inner side of the base; the blade force application mechanism is positioned in a space formed after the base and the cover body structure are assembled; when the jacking part jacks the blade force application mechanism, the blade force application mechanism drives the blade to move out of the base through the blade inlet and outlet so as to cut paper; and when the jacking component releases jacking on the force application mechanism, the blade force application mechanism drives the blade to move into the inner side of the base through the blade inlet and outlet, so that the blade is automatically hidden, and the safety protection effect is achieved.

Description

Cutter head assembly of paper cutter and paper cutter applying same

Technical Field

The utility model relates to the field of paper cutters, in particular to a cutter head component of a paper cutter and the paper cutter applying the cutter head component.

Background

The existing paper cutters generally cut paper by a blade, the edge of the blade is not sharp, and the cutting operation of the blade on the paper can be completed by combining the force application of a user. At present, the paper cutters which are popular in the market mainly adopt movable blades.

The paper cutter with movable blade is used to cut paper with movable blade. When the paper needs to be cut, the paper can be cut completely by manually moving the blade; when paper does not need to be cut, the blade on the paper cutter is still exposed outside, and at the moment, the hand of a user, particularly the fingers of the user, is easily cut, so that great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a cutter head assembly of a paper cutter in view of the above prior art. The blade in the cutter head assembly can be moved out of the blade inlet and outlet of the base when in use, and can be automatically moved into the base through the blade inlet and outlet when not in use, so that the blade is hidden, and the safety protection effect is achieved.

The second technical problem to be solved by the utility model is to provide a paper cutter applying the cutter head component.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: cutter head assembly of paper knife, its characterized in that includes:

the cover body structure is internally provided with a jacking component which can move up and down;

a blade urging mechanism which moves in the direction of the pressing force when contacting the pressing member and receiving the pressing force of the pressing member;

the base is positioned below the cover body structure and assembled with the cover body structure, and the bottom of the base is provided with a blade inlet and a blade outlet;

the blade is positioned on the inner side of the base and is connected with the blade force application mechanism;

the blade force application mechanism is positioned in a space formed after the base and the cover body structure are assembled; when the jacking component jacks the blade force application mechanism, the blade force application mechanism drives the blade to move out of the base through the blade inlet and outlet; and when the jacking component releases jacking on the force application mechanism, the blade force application mechanism drives the blade to move into the inner side of the base through the blade inlet and outlet.

In the cutter head assembly of the paper cutter, the blade forcing mechanism comprises:

the blade support is positioned on the inner side of the base and is provided with an upper end face which is in matched contact with the jacking component, and the blade support is connected with the blade;

and at least one elastic structure corresponding to the at least one blade support, wherein one end of the elastic structure is fastened on the blade support.

Further, in the cutter head assembly of the paper cutter, the cutter blade is provided with a fixed shaft, and the cutter blade bracket is provided with a fastening hole for the fixed shaft to penetrate through so as to be matched with the fixed shaft for fixing.

In another improvement, in the cutter head assembly of the paper knife, the cover structure at least includes:

a first cover body having a top opening exposing an upper end surface of the blade holder;

the second cover body is positioned above the first cover body, the second cover body is matched with the first cover body in a rotating mode so as to be buckled on the first cover body, and the jacking component is positioned on the inner side of the second cover body.

In a further improvement, the cutter head component of the paper cutter further comprises:

a side cover assembly located inside the base, the side cover assembly having a left side cover and a right side cover assembled with each other;

at least one elastic piece arranged between the base and the first cover body;

the first cover and the base are arranged in a relative movement mode, the elastic piece is in an elastic compression state when the first cover moves towards the base, and the elastic piece generates an elastic recovery state when the first cover moves away from the base.

Further, in the cutter head assembly of the paper cutter, the elastic part is an arc-shaped elastic sheet, two ends of the elastic part are respectively connected to the first cover body, and the top of the arc section of the elastic part is arranged on the side wall of the base.

In the cutter head component of the paper cutter, the elastic structure is arc-shaped, one end of the arc section of the elastic structure is arranged on the blade support, and the other end of the arc section of the elastic structure is fixed on the side cover component and the side cover corresponding to the elastic structure.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: a paper cutter, characterized in that, a cutter head component of any one of the paper cutters is applied.

Further, the paper cutter includes:

a base plate;

the guide rail is arranged on the bottom plate;

the filler strip is positioned in the guide rail;

wherein the cutter head assembly is movably disposed on the guide rail.

In a further improvement, the paper knife further comprises:

two decorating covers respectively and correspondingly arranged at two end parts of the guide rail;

and one end of the swinging ruler is rotatably arranged on the bottom plate.

Compared with the prior art, the utility model has the advantages that: in the utility model, when paper is needed to be cut, the blade can be moved out of the base through the blade inlet and outlet only by pressing the second cover body of the cover body structure, so as to cut the paper; when the cutter does not need to be cut, the pressure applied to the second cover body of the cover body structure is released, and the blade can be automatically moved into the inner side of the base through the blade inlet and outlet, so that the blade is hidden, and the safety protection effect is achieved.

Drawings

FIG. 1 is a schematic view of a cutter head assembly according to the present embodiment;

FIG. 2 is a schematic bottom view of the cutter head assembly of FIG. 1;

FIG. 3 is an exploded view of the cutter head assembly of FIG. 1;

FIG. 4 is a schematic view of the bit assembly of FIG. 1 with the cap removed;

FIG. 5 is a cross-sectional view of the cutter head assembly of FIG. 1 at one perspective;

FIG. 6 is a cross-sectional view of the cutter head assembly shown in FIG. 1 at another perspective;

fig. 7 is a schematic structural view of the paper cutter in this embodiment.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

The embodiment provides a cutter head component of a paper cutter. Specifically, as shown in fig. 1 to 4, the cutter head assembly of this embodiment includes a cover structure, a blade forcing mechanism, a base 3, a blade 4, and a side cover assembly, wherein the base 3 is located below the cover structure and assembled with the cover structure, the blade forcing mechanism and the side cover assembly are both located in a space formed after the base 3 and the cover structure are assembled, the blade 4 is located inside the base 3, the side cover assembly has a left side cover 51 and a right side cover 52 assembled with each other, and a notch 531 is formed on each of the left side cover 51 and the right side cover 52 to form a through hole 53 after the two side covers are assembled. Wherein:

the cover body structure comprises a first cover body 11 and a second cover body 12, wherein the first cover body 11 is provided with a top opening 110 exposing the upper end surface of the blade support, the top opening 110 is communicated with the through hole 53, the first cover body 11 and the base 3 are assembled in a matched mode, an elastic part 6 is arranged between the base 3 and the first cover body 11, the elastic part 6 is an arc-shaped elastic sheet, two ends of the elastic part 6 are respectively connected to the first cover body 11, and the top of an arc section of the elastic part 6 is arranged on the side wall of the base 3; the second cover 12 is located above the first cover 11, the second cover 12 is rotatably engaged with the first cover 11 to be fastened to the first cover 11, and the inner side of the second cover 12 has a pressing member 10 capable of moving up and down. The structure of the elastic member 6 can be seen in fig. 3.

The bottom of the base 3 is provided with a blade inlet and outlet 30, and the blade force application mechanism moves along the direction of the jacking force when contacting the jacking member 10 and receiving the jacking force of the jacking member 10; when the jacking component 10 jacks the blade force application mechanism, the blade force application mechanism drives the blade 4 to move out of the base 3 through the blade inlet and outlet 30; and when the pressing component 10 releases the pressing on the force application mechanism, the blade force application mechanism drives the blade 4 to move into the inner side of the base 3 through the blade inlet and outlet 30.

Specifically, referring to fig. 3, the blade forcing mechanism in this embodiment includes two blade holders 21 symmetrically disposed at left and right sides and two arc-shaped elastic structures 22 symmetrically disposed at left and right sides, each blade holder 21 is located inside the base 2, each blade holder 21 has an upper end surface that is in fit contact with the pressing member 10, the blade 4 is disposed at a middle position of the two blade holders 21, and the blade 4 has a fixing shaft 41, each blade holder 21 has a fastening hole 211 formed thereon through which the fixing shaft 41 passes to be fixed in fit with the fixing shaft 41, and the blade 4 is connected to the corresponding blade holder 21 through the fixing shaft 41 and the fastening hole 211 that are fitted with each other. Wherein the structure of the elastic structure 22 can be seen in fig. 3. One end of the arc section of the left elastic structure 22 is arranged on the left blade bracket 21, and the other end of the arc section of the left elastic structure 22 is fixed on the left cover 51 of the side cover assembly; one end of the arc of the right resilient structure 22 is disposed on the right blade support 21 and the other end of the arc of the right resilient structure 22 is secured to the right cover 52 of the side cover assembly.

The working principle of the cutter head assembly in this embodiment is explained below with reference to fig. 1 to 6:

when paper is needed to be cut

When a downward force is manually applied to the second cover 12, the second cover 12 rotates relative to the first cover 11 and rotates toward the direction of being fastened to the first cover 11, and two movement processes are simultaneously generated:

in the first motion process, the second cover body 12 drives the first cover body 11 to apply pressure downwards, so that the elastic part 6 generates compression deformation, and the first cover body 11 moves towards the base 3 in the process of compressing the elastic part 6, so that the moving stroke of the blade 4 moving towards the blade inlet/outlet 30 along with the blade support 21 is shortened;

in the second movement process, the pressing member 10 in the second cover 12 contacts and continuously presses the upper end surface of the blade support 21, which receives downward pressing force, applies pressure to the elastic structure 22 on the corresponding side, and the elastic structure 22 generates compression deformation after being stressed, so that the blade support 21 drives the blade 4 to move towards the blade entrance 30 at the bottom of the base 3 in the process of compressing the elastic structure 22; due to the action of the first movement process, the blade 4 can move out of the base 3 through the blade inlet and outlet 30 by a short stroke, so that the blade 4 can conveniently cut the paper at the blade inlet and outlet 30.

(II) when paper is not required to be cut

The downward pressure applied to the second cover 12 by the hand is released, at this time, the pressing member 10 in the second cover 12 no longer presses the upper end surface of the blade holder 21, and the second cover 12 no longer presses the first cover 11 downward, the blade holder 21 moves in the opposite direction under the elastic restoring force of the elastic structure 22, and the blade 4 also moves to the inner side of the base 3 along with the blade holder 21; because the second cover 12 no longer presses the first cover 11 downwards, the first cover 11 will also move in the opposite direction under the elastic restoring force of the elastic member 6, so that the longitudinal length of the space formed by the first cover 11 and the base 3 is increased, and thus, a sufficient space distance for the blade support 21 to move in the opposite direction can be provided, so as to ensure that the blade support 21 can drive the blade 4 to move into the inner side of the base 3 to the maximum extent, and ensure that the blade 4 is not easily exposed to the outer side of the blade access 30, thereby hiding the blade and achieving the safety protection effect.

The embodiment also provides a paper cutter, and the paper cutter is provided with the cutter head component. Specifically, referring to fig. 7, the paper cutter of this embodiment includes a base plate 71, a guide rail 72, a backing strip 73, two decorative covers 74, and a rocking rule 75, the guide rail 72 is disposed on the base plate 71, the backing strip 73 is disposed in the guide rail 72, the cutter head assembly is movably disposed on the guide rail 72 to move in a direction along the guide rail 72, the decorative covers 74 are respectively disposed at both ends of the guide rail 72, and one end of the rocking rule 75 is rotatably disposed on the base plate 71.

Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Cutter head assembly of paper knife, its characterized in that includes:

a cover structure, wherein the inner side of the cover structure is provided with a jacking component (10) which can move up and down;

a blade force application mechanism which moves in the direction of the pressing force when contacting the pressing member (10) and receiving the pressing force of the pressing member (10);

the base (3) is positioned below the cover body structure and assembled with the cover body structure, and the bottom of the base (3) is provided with a blade access (30);

the blade (4) is positioned on the inner side of the base (3), and the blade (4) is connected with a blade force application mechanism;

wherein, the blade force application mechanism is positioned in a space formed after the base (3) and the cover body structure are assembled; when the jacking component (10) jacks the blade force application mechanism, the blade force application mechanism drives the blade (4) to move out of the base (3) through the blade inlet and outlet (30); and when the jacking component (10) releases jacking on the force application mechanism, the blade force application mechanism drives the blade (4) to move into the inner side of the base (3) through the blade inlet and outlet (30).

2. The cutter head assembly of claim 1, wherein said blade forcing mechanism comprises:

at least one blade support (21) which is positioned on the inner side of the base (3) and is provided with an upper end surface (210) which is matched and contacted with the jacking component (10), and the blade support (21) is connected with the blade (4);

and at least one elastic structure (22) corresponding to the at least one blade holder, one end of the elastic structure (22) being fastened to the blade holder (21).

3. The cutter head assembly of the paper cutter according to claim 2, wherein the cutter blade (4) has a fixing shaft (41), and the cutter blade holder (21) has a fastening hole (211) formed therein through which the fixing shaft (41) is inserted to be fixed in cooperation with the fixing shaft (41).

4. A cutter head assembly for a paper cutter according to claim 2 or 3, wherein the cover structure comprises at least:

a first cover (11) having a top opening (110) for exposing the upper end surface of the blade holder;

the second cover body (12) is positioned above the first cover body (11), the second cover body (12) is in rotating fit with the first cover body (11) so as to be buckled on the first cover body (11), and the jacking component (10) is positioned on the inner side of the second cover body (12).

5. The cutter head assembly of claim 4, further comprising:

a side cover assembly located inside the base (3), the side cover assembly having a left side cover (51) and a right side cover (52) assembled with each other;

at least one elastic element (6) arranged between the base (3) and the first cover (11);

the first cover body (11) and the base (3) are arranged in a relatively movable mode, the elastic piece (6) is in an elastic compression state when the first cover body (11) moves towards the base (3), and the elastic piece (6) generates an elastic recovery state when the first cover body (11) moves away from the base (3).

6. The cutter head assembly of the paper cutter according to claim 5, wherein the elastic member (6) is an arc-shaped elastic sheet, two ends of the elastic member (6) are respectively connected to the first cover body (11), and the top of the arc section of the elastic member (6) is arranged on the side wall of the base (3).

7. The cutter head assembly of the paper cutter according to claim 5, wherein the elastic structure (22) is arc-shaped, one end of the arc of the elastic structure (22) is arranged on the blade support (21), and the other end of the arc of the elastic structure (22) is fixed on the side cover of the side cover assembly corresponding to the elastic structure (22).

8. A paper cutter, characterized in that a cutter head component of the paper cutter according to any one of claims 1 to 7 is applied.

9. The paper knife of claim 8, comprising:

a bottom plate (71);

a guide rail (72) provided on the base plate (71);

a filler strip (73) located within the guide rail (72);

wherein the cutter head assembly is movably arranged on a guide rail (72).

10. The paper knife of claim 9, further comprising:

two decorative covers (74) respectively provided at both ends of the guide rail (72) in correspondence with each other;

and a swing rule (75) one end of which is rotatably arranged on the bottom plate (71).