CN209812388U

CN209812388U - Roller type paper cutter

Info

Publication number: CN209812388U
Application number: CN201920528531.6U
Authority: CN
Inventors: 吴时希
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2019-12-20
Anticipated expiration: 2029-04-18

Abstract

A roller type paper cutter comprises a shell, a bottom plate, a first rotating shaft, two front wheels, a driving gear, a reduction gear, a driven gear and a wafer, a second pivot, a third pivot, a dysmorphism piece, a fourth pivot and two rear wheels, two front wheels, the equal protrusion in the bottom plate lower surface of lower extreme of two rear wheels and disk, dysmorphism piece and disk interval set up, the dysmorphism piece includes an integrated into one piece's a first installation piece, a second installation piece, an arc piece and a third installation piece, first installation piece and a compression spring butt, the second pivot is worn to locate on the second installation piece, the second installation piece passes through arc piece and third installation piece fixed connection, a logical groove has been seted up on the arc piece, logical groove department is located to the disk lower extreme, third installation piece and bottom plate lower surface interval set up, third installation piece side and disk side butt, the third installation piece still leads the scraps of paper to peg graft with one. The user holds the shell and pushes forwards, so that the paper can be cut through the special-shaped sheet and the wafer, and the wafer cannot cut the user.

Description

Roller type paper cutter

Technical Field

The utility model belongs to paper cutting tool field especially relates to a roller type paper cutter.

Background

The blades of the existing paper cutters are mostly exposed outside, users, especially old people and children, are easily injured by mistake when the paper cutters are used for cutting paper, and the paper cutters have great hidden dangers.

The existing paper cutter with saw-toothed blades is not easy to injure users by mistake, but the paper cut by the cutter has rough and uneven edges and poor use feeling of the users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art, provide a can not hinder the hand, and cut a sheet of paper effectual roller type paper cutter.

The utility model is realized in such a way that the roller type paper cutter comprises a shell and a bottom plate fixedly connected with the shell;

the upper surface of the bottom plate is rotatably provided with a first rotating shaft, two ends of the first rotating shaft are respectively and fixedly provided with a front wheel, the lower end of the front wheel protrudes out of the lower surface of the bottom plate, the middle part of the first rotating shaft is fixedly provided with a driving gear, the driving gear is meshed with a driven gear directly or through a reduction gear, and a coaxially arranged wafer is fixedly arranged on the driven gear;

the driven gear is fixedly arranged on a second rotating shaft, the second rotating shaft is rotatably arranged on the upper surface of the bottom plate, the reduction gear is fixedly arranged on a third rotating shaft, and the third rotating shaft is rotatably arranged on the upper surface of the bottom plate;

the second rotating shaft is also provided with a special-shaped sheet, and the special-shaped sheet and the wafer are arranged at intervals;

the special-shaped piece comprises a first mounting piece, a second mounting piece, an arc-shaped piece and a third mounting piece, wherein the first mounting piece is horizontally arranged, the second mounting piece is obliquely arranged, the third mounting piece is horizontally arranged, the lower surface of the first mounting piece is abutted to a compression spring, the compression spring is sleeved on a fixed column, the fixed column is fixedly arranged on the upper surface of the bottom plate, the second rotating shaft penetrates through the second mounting piece, the second mounting piece is fixedly connected with the third mounting piece through the arc-shaped piece, a through groove is formed in the arc-shaped piece, the lower end of the circular piece is arranged at the through groove, the third mounting piece is arranged at an interval with the lower surface of the bottom plate, one side edge of the third mounting piece is abutted to the side surface of the circular piece, the bottom of the circular piece protrudes out of the lower surface of the bottom plate, and the third mounting piece is further inserted into a;

a fourth rotating shaft is further rotatably arranged on the upper surface of the bottom plate, rear wheels are fixedly arranged at two ends of the fourth rotating shaft respectively, and the lower ends of the rear wheels protrude out of the lower surface of the bottom plate;

the height of the circular sheet protruding out of the bottom plate is smaller than the height of the front wheels and the rear wheels protruding out of the bottom plate.

Specifically, the circumferential surface of the circular plate is an inclined surface, and one side surface of the circular plate with a large diameter is abutted against one side of the third mounting plate.

Specifically, the inclination angle formed between the second mounting piece and the horizontal plane is 80-85 degrees.

Specifically, lead the scraps of paper and close on the one end downward sloping of front wheel extends, lead and seted up a jack on the scraps of paper middle-end, a inserted sheet has set firmly on the third mounting piece, the inserted sheet with the jack is pegged graft.

Specifically, the thickness of the wafer is 0.7-1.5 mm.

In particular, the disc is a metal piece.

Specifically, the paper guide sheet is a plastic piece.

The utility model provides a roller type paper cutter's technological effect does:

(1) the utility model discloses a dysmorphism piece and disk replace the blade of current paper cutter, disk and dysmorphism piece all only have lower extreme protrusion in the lower surface of bottom plate moreover, at the paper cutting in-process, the user only need hold the shell and push forward and can realize cutting paper, therefore, the disk can not the accidental injury user, even contact the disk when not using, because the disk has certain thickness, and not sharp, can not cut the user yet, the hidden danger that current paper cutter can the accidental injury user has been solved.

(2) Because the height of the wafer protruding out of the bottom plate is smaller than the height of the front wheel and the rear wheel protruding out of the bottom plate, the wafer cannot scratch the tabletop in the paper cutting process.

(3) The utility model discloses a circumferential edge of disk lateral surface constantly cuts out the paper at the rotation in-process for the paper edge after cutting out is neat, and cuts efficiently.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a roller type paper cutter according to an embodiment of the present invention;

FIG. 2 is a schematic view from another angle of FIG. 1;

FIG. 3 is a schematic view of a profile strip in a roller cutter according to an embodiment of the present invention;

FIG. 4 is a schematic view of a paper guide in a roller-type paper cutter according to an embodiment of the present invention;

fig. 5 is a schematic view of a combination of a special-shaped sheet, a circular sheet and a driven gear in the roller type paper cutter according to the embodiment of the present invention;

fig. 6 is a schematic view of a paper cutting operation performed when the profile sheet, the circular sheet, the driven gear and the paper guide sheet are combined together in the roller-type paper cutter according to the embodiment of the present invention;

fig. 7 is a schematic view of another angle of fig. 6.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-7, an embodiment of the present invention provides a roller-type paper cutter, which includes a housing 1 and a bottom plate 2 fixedly connected to the housing 1;

a first rotating shaft 3 is rotatably arranged on the upper surface of the bottom plate 2, two ends of the first rotating shaft 3 are respectively and fixedly provided with a front wheel 4, the lower end of the front wheel 4 protrudes out of the lower surface of the bottom plate 2, the middle part of the first rotating shaft 3 is fixedly provided with a driving gear 5, the driving gear 5 is directly or through a reduction gear 6 meshed with a driven gear 7, and a coaxially arranged wafer 8 is fixedly arranged on the driven gear 7;

the driven gear 7 is fixedly arranged on a second rotating shaft 9, the second rotating shaft 9 is rotatably arranged on the upper surface of the bottom plate 2, the reduction gear 6 is fixedly arranged on a third rotating shaft 10, and the third rotating shaft 10 is rotatably arranged on the upper surface of the bottom plate 2;

the second rotating shaft 9 is also provided with a special-shaped sheet 11, and the special-shaped sheet 11 and the wafer 8 are arranged at intervals;

the special-shaped sheet 11 comprises a first mounting sheet 111, a second mounting sheet 112, an arc-shaped sheet 113 and a third mounting sheet 114, wherein the first mounting sheet 111, the second mounting sheet 112 and the third mounting sheet 114 are integrally formed, the lower surface of the first mounting sheet 111 is abutted against a compression spring 12, the compression spring 12 is sleeved on a fixing column 13, the fixing column 13 is fixedly arranged on the upper surface of the bottom plate 2, a second rotating shaft 9 penetrates through the second mounting sheet 112, the second mounting sheet 112 is fixedly connected with the third mounting sheet 114 through the arc-shaped sheet 113, a through groove 1131 is formed in the arc-shaped sheet 113, the lower end of the wafer 8 is arranged at the through groove 1131, the third mounting sheet 114 and the lower surface of the bottom plate 2 are arranged at intervals, one side 1141 of the third mounting sheet 114 is abutted against the side surface 81 of the wafer 8, the bottom of the wafer 8 protrudes out of the lower surface of the bottom plate;

a fourth rotating shaft 15 is rotatably arranged on the upper surface of the bottom plate 2, a rear wheel 16 is fixedly arranged at each of two ends of the fourth rotating shaft 15, and the lower end of each rear wheel 16 protrudes out of the lower surface of the bottom plate 2;

the disc 8 protrudes from the base plate 2 to a lesser extent than the front wheel 4 and the rear wheel 16 protrude from the base plate 2.

The utility model provides a roller type paper cutter's theory of operation is:

firstly, paper is placed on a table top, a user pushes a shell 1 of a roller type paper cutter on the table top with force, a front wheel 4 in the roller type paper cutter starts to rotate on the table top, the front wheel 4 drives a first rotating shaft 3 to rotate, a driving gear 5 rotates along with the first rotating shaft 3, the driving gear 5 directly or through a reduction gear 6 drives a driven gear 7 to rotate, and a wafer 8 rotates along with the driven gear 7 on a second rotating shaft 9;

then, since the compression spring 12 presses the first mounting piece 111 upward all the time, the first mounting piece 111 exerts a force on the third mounting piece 114 through the second mounting piece 112 and the arc-shaped piece 113, so that one side 1141 of the third mounting piece 114 is tightly abutted to the side surface 81 of the disc 8, when the paper guide 14 guides paper to the upper surface of the third mounting piece 114, under the thrust action of the user pushing the housing 1, the paper forcibly opens a gap between the disc 8 and the third mounting piece 114, after the paper enters the gap, the circumferential edge of the side surface 81 of the disc 8 cuts the paper, the user continues to push the housing 1 to go forward all the time, the driving gear 5 drives the driven gear 7 to rotate, the disc 8 rotates along with the driven gear 7, and the circumferential edge of the side surface 81 of the disc 8 continuously cuts the paper during the rotation, thereby achieving the purpose of cutting the paper.

(1) the utility model discloses a dysmorphism piece 11 and disk 8 replace the blade of current paper cutter, disk 8 and special-shaped piece 11 all only have the lower extreme protrusion in bottom plate 2's lower surface moreover, at the paper cutting in-process, the user only need hold shell 1 and push forward and can realize cutting paper, therefore, disk 8 can not the accidental injury user, even contact disk 8 when not using, because disk 8 has certain thickness, and sharp, can not cut the user yet, the hidden danger that current paper cutter can the accidental injury user has been solved.

(2) Because the height of the wafer 8 protruding out of the bottom plate 2 is less than the height of the front wheel 4 and the rear wheel 16 protruding out of the bottom plate 2, the wafer 8 cannot scratch the tabletop in the paper cutting process.

(3) The utility model discloses a disk 8's side 81's circumferential edge constantly cuts out the paper at the rotation in-process for the paper edge after cutting out is neat, and cuts efficiently.

As shown in fig. 5-7, specifically, the circumferential surface 82 of the disc 8 is an inclined surface (i.e., the disc 8 is a flat truncated cone), the side surface 81 with the larger diameter of the disc 8 abuts against one side surface 1141 of the third mounting piece 114, and when the disc 8 cuts paper, the circumferential edge of the side surface 81 with the larger diameter of the disc 8 forms a blade, which facilitates cutting paper with a larger thickness and cutting paper when the disc 8 turns.

As shown in fig. 3, specifically, the second mounting piece 112 forms an inclination angle of 80-85 ° with respect to the horizontal plane.

As shown in fig. 2-4, specifically, one end of the paper guide 14 near the front wheel is inclined downward and extends, a hole 141 is formed at the middle end of the paper guide, an insertion sheet 1142 is fixedly disposed on the third mounting plate 114, the insertion sheet 1142 is inserted into the hole 141, so that the paper guide 14 and the third mounting plate 114 are fixed together, and the paper guide 14 can guide paper to the upper surface of the third mounting plate 114 during use.

Specifically, the thickness of the wafer 8 is 0.7 to 1.5 mm.

In particular, the disc 8 is a metal piece, preferably a stainless steel material.

Specifically, the paper guide sheet 14 is a plastic piece, and the plastic piece may be ABS or PC.

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

Claims

1. A roller type paper cutter is characterized by comprising a shell and a bottom plate fixedly connected with the shell;

the upper surface of the bottom plate is rotatably provided with a first rotating shaft, two ends of the first rotating shaft are respectively and fixedly provided with a front wheel, the lower end of the front wheel protrudes out of the lower surface of the bottom plate, the middle part of the first rotating shaft is fixedly provided with a driving gear, the driving gear is meshed with a driven gear directly or through a reduction gear, and a coaxially arranged wafer is fixedly arranged on the driven gear; the driven gear is fixedly arranged on a second rotating shaft, the second rotating shaft is rotatably arranged on the upper surface of the bottom plate, the reduction gear is fixedly arranged on a third rotating shaft, and the third rotating shaft is rotatably arranged on the upper surface of the bottom plate;

2. The roller cutter according to claim 1, wherein the circumferential surface of the disk is a slope, and a side surface of the disk having a large diameter abuts against a side surface of the third mounting piece.

3. The roller cutter according to claim 1, wherein the second mounting piece forms an inclination angle of 80-85 ° with respect to a horizontal plane.

4. The roller type paper cutter according to claim 1, wherein one end of the paper guide plate adjacent to the front wheel is inclined downward and extends, a jack is formed in the middle end of the paper guide plate, and an insertion piece is fixedly arranged on the third mounting plate and is inserted into the jack.

5. The roller cutter according to claim 1, wherein the disc has a thickness of 0.7-1.5 mm.

6. The roller trimmer of claim 1, wherein the disc is a metal piece.

7. The roller trimmer of claim 1, wherein the sheet guide is a plastic piece.