CN216505643U

CN216505643U - Three-in-one perforating pliers

Info

Publication number: CN216505643U
Application number: CN202123129187.XU
Authority: CN
Inventors: 吴春辉
Original assignee: Dongguan Allwin Stationery Co ltd
Current assignee: Dongguan Allwin Stationery Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-13
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses three-in-one punching pliers, which comprise a first handle and a second handle, wherein the middle part of the first handle is provided with a plurality of pins, the first handle is hinged with the second handle through the pins, the three-in-one punching pliers also comprise an upper bracket and a lower bracket, the lower bracket is fixedly provided with an oval cutter and a circular cutter, and the upper bracket is fixedly provided with a chamfering cutter; the upper support and the lower support respectively comprise punching tables for placing paper sheets to punch, each punching table comprises an oval punching table, a chamfer punching table and a round punching table, the upper support is provided with an oval hole and a round hole which respectively correspond to the oval cutter and the round cutter, and the chamfer punching table is provided with an arc-shaped hole which corresponds to the chamfer cutter; the utility model has three functions of rounding off, making an ellipse and making a circular hole on the paper, the film, the card and other materials, solves the technical problem of single function of the perforating pliers, does not need to additionally purchase other instruments and saves the cost.

Description

Three-in-one perforating pliers

Technical Field

The utility model relates to the technical field of punching pliers, in particular to a three-in-one punching pliers.

Background

The paper needs to be punched in advance when the paper is nailed, then other connecting components are used for nailing the paper, and punching pincers are needed at the moment, but the existing punching pincers are single in function and only punch the paper in one shape; in addition, it is sometimes necessary to round a sheet of relatively hard paper, and a general hole punch does not have the above-mentioned function, and therefore, further improvement of the conventional hole punch is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide three-in-one punching pliers to overcome the defects in the prior art.

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

a three-in-one hole punching pliers comprises a first handle and a second handle, wherein a plurality of pins are arranged in the middle of the first handle, the first handle is hinged with the second handle through the pins, the three-in-one hole punching pliers further comprises an upper support and a lower support, an oval knife and a circular knife are fixedly arranged on the lower support, and a chamfering knife is fixedly arranged on the upper support;

the paper punching device comprises an upper support and a lower support, wherein the upper support and the lower support respectively comprise punching tables for placing paper to punch, each punching table comprises an oval punching table, a chamfer punching table and a round punching table, the upper support is provided with an oval hole and a round hole which respectively correspond to an oval knife and a round knife, and the chamfer punching table is provided with an arc hole which corresponds to a chamfer knife;

the circular knife side surface is covered with a spring for resetting the upper support and the lower support, two ends of the spring are respectively abutted against the lower surface of the upper support and the upper surface of the lower support, the inner wall of the second handle is provided with a tension spring, and one end of the tension spring is fixedly connected with the handle while the other end is fixedly connected with the tail end of the lower support.

Further elaborating, circular punching platform and oval punching platform with upper bracket formula forming structure as an organic whole, the chamfer punching platform with lower carriage formula forming structure as an organic whole, the arc hole runs through the chamfer punching platform.

Further elaborating, circular punching platform and oval punching platform all are equipped with the notch that is used for the paper to place, the chamfer punching platform is equipped with the right angle notch, and the embedded circular counter bore that is equipped with of circular punching platform, the embedded oval counter bore that is equipped with of oval punching platform.

Further, the pins penetrate through the upper bracket and the lower bracket, and the upper bracket and the lower bracket are movably connected with the handle through the pins.

Stated further, the top of the chamfering tool extends to the horizontal plane of the bottom of the notch of the circular punching table.

Further elaborating, the lower carriage is embedded to be equipped with little pin, little pin runs through circular sword, little pin and circular sword interference fit.

Stated further, the chamfer cutter runs through the arc-shaped hole, the oval cutter runs through the oval counter bore, and the circular cutter runs through the circular counter bore.

Further, the chamfering tool is in non-contact connection with the arc-shaped hole, the oval tool is in non-contact connection with the oval counter bore, and the circular tool is in non-contact connection with the circular counter bore.

Compared with the prior art, the utility model has the following beneficial effects:

the paper chamfering machine has the function of chamfering paper and the function of performing oval and round punching, solves the technical problems that the function of a punching clamp is single and the paper cannot be chamfered, does not need to additionally purchase other instruments, and saves the cost.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is an exploded view of the present invention.

Reference is made to the accompanying drawings in which:

1-circular knife, 2-elliptical knife, 3-chamfer knife, 4-handle, 5-tension spring, 6-spring, 7-small pin, 8-semicircular button, 9-pin, 10-upper bracket, 11-lower bracket, 12-elliptical punching table, 13-chamfer punching table, 14-circular punching table, 15-elliptical hole, 16-circular hole, 17-arc hole.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When the number of an element is referred to as "a plurality," it can be any number of two or more. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model will be described in detail with reference to embodiments shown in the drawings, in which:

as shown in fig. 1 and 2, a three-in-one hole punch pliers according to a preferred embodiment of the present invention comprises a first handle 4 and a second handle 4, wherein a plurality of pins 9 are disposed in the middle of the first handle 4, the pins 9 are distributed in a matrix form, the first handle 4 is hinged to the second handle 4 via the pins 9, specifically, the first handle is pivoted to the second handle 4 via one of the pins 9 disposed in the middle, the three-in-one hole punch pliers further comprises an upper bracket 10 and a lower bracket 11, the lower bracket 11 is fixedly disposed with an elliptical cutter 2 and a circular cutter 1, the upper bracket 10 is fixedly disposed with a chamfer cutter 3, and the chamfer cutter 3 is engaged with the lower bracket 11 when being engaged, so that the chamfer cutter 3 is fixedly disposed on the upper bracket 10;

the upper support 10 and the lower support 11 both comprise punching tables for placing paper sheets to punch, the punching tables comprise an elliptical punching table 12, a chamfering punching table 13 and a circular punching table 14, the upper support 10 is provided with an elliptical hole 1615 and a circular hole 16 which correspond to an elliptical knife and a circular knife respectively, the chamfering punching table 13 is provided with an arc-shaped hole 17 which corresponds to the chamfering knife 3, the knife is used for matching with the holes to cut the paper sheets, so the size of the holes needs to be matched with the knife and needs to be slightly larger than the knife;

one side of each pin 9 is provided with a semicircular buckle 8, the semicircular buckle 8 is used for fixing the position of the pin 9 and is abutted against the surface of the handle 4, and the semicircular buckles 8 are fixedly connected with the pins 9.

The side surface of the circular knife 1 is covered with a spring 6 for resetting the upper bracket 10 and the lower bracket 11, two ends of the spring 6 are respectively abutted against the lower surface of the upper bracket 10 and the upper surface of the lower bracket 11, when the upper bracket 10 and the lower bracket 11 are close to each other during shearing, the spring 6 is compressed, when a user does not exert force on the handle 4 any more, the elastic potential energy of the spring 6 is converted into thrust force to the upper support 10 and the lower support 11, the upper support 10 and the lower support 11 are pushed away to finish resetting, the inner wall of the second handle 4 is provided with a tension spring 5, one end of the tension spring 5 is fixedly connected with the handle 4, the other end of the tension spring 5 is fixedly connected with the tail end of the lower support 11, the tension spring 5 is also used for resetting, the tension spring 5 is stretched during shearing, when the user does not apply force to the handle 4, the tension spring 5 returns to pull the lower bracket 11 back to the original position to cooperate with the spring 6 to complete the resetting.

The circular punching table 14, the elliptical punching table 12 and the upper support 10 are of an integrated forming structure, the chamfering punching table 13 and the lower support 11 are of an integrated forming structure, and the arc-shaped holes 17 penetrate through the chamfering punching table 13. Circular punching table 14 and oval punching table 12 all are equipped with the notch that is used for the paper to place, and the notch is the rectangle structure, and chamfer punching table 13 is equipped with the right angle notch, when needs carry out the radius angle to the paper, needs place the right angle of paper and carry out the processing of radius angle in right angle notch department. The circular punching table 14 is provided with a circular counter bore in an embedded mode, and the elliptical punching table 12 is provided with an elliptical counter bore in an embedded mode. The counter bore is arranged to easily discharge the cut paper scraps without blocking the through hole.

The plurality of pins 9 penetrate through the upper bracket 10 and the lower bracket 11, and the upper bracket 10 and the lower bracket 11 are movably connected with the handle 4 through the pins 9. The top of the chamfering tool 3 extends to the horizontal plane of the bottom of the notch of the circular punching table 14, and the height of the chamfering tool 3 does not exceed the bottom of the notch when being fixed, so that the chamfering tool 3 is prevented from being pushed to the top when paper needing to be cut is placed.

The lower support 11 is internally embedded with a small pin 7, the small pin 7 penetrates through the circular knife 1, and the small pin 7 is in interference fit with the circular knife 1.

When the utility model is used, the following difference of the cutter position relation can occur: when the paper is sheared, the chamfer cutter 3 penetrates through the arc-shaped hole 17, the oval cutter 2 penetrates through the oval counter bore, the round cutter 1 penetrates through the round counter bore, and the cutter and a corresponding processing table generate shearing stress to cut out paper scraps in corresponding shapes;

when not cutting out, chamfer sword 3 and arc hole 17 contactless connection, oval sword 2 and oval counter bore contactless connection, circular sword 1 and circular counter bore contactless connection, oval sword 2 and circular sword 1 are all accomodate in the through-hole that corresponds, and the end of chamfer sword 3 then with the lateral wall butt of lower carriage 11 and with the chamfer punch a certain position space of reservation between the platform 13.

The upper bracket 10 and the lower bracket 11 are made of alloy steel or steel, hard materials are required for cutting hard paper, and other common metal materials including iron and steel or plastic materials can be used for the handle.

As shown in fig. 3, an explosion diagram shows that the small pin 7 is in interference fit with the circular cutter 1, and in order to increase the pressure of the cutter and the paper, all the cutters are the circular cutter 1, the chamfer cutter 3 and the elliptical cutter 2, and the ends of the cutters, which need to be in contact with the paper, are provided with arc-shaped recesses.

In conclusion, the working principle is as follows: the paper is correspondingly placed on different punching tables, holes with different shapes can be cut out for the paper to be nailed, the paper can be rounded, and the upper support 10 and the lower support 11 move forwards while being matched with the handle 4 in a pressing mode and are close to each other to be sheared.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a trinity hole pincers, includes first hand (hold) and second hand (hold), first hand (hold) middle part is equipped with a plurality of pin, first hand (hold) through the pin with the second hand (hold) is articulated, its characterized in that: the chamfering tool comprises an upper bracket, a lower bracket, a chamfering tool and a cutter holder, wherein the upper bracket and the lower bracket are fixedly provided with an oval tool and a circular tool;

the upper support and the lower support respectively comprise punching tables for placing and punching paper, each punching table comprises an oval punching table, a chamfer punching table and a round punching table, the upper support is provided with an oval hole and a round hole which respectively correspond to the oval knife and the round knife, and the chamfer punching table is provided with an arc-shaped hole which corresponds to the chamfer knife;

2. The three-in-one hole punch pliers according to claim 1, wherein: the circular punching table and the elliptical punching table are integrated with the upper support into a whole, the chamfering punching table is integrated with the lower support into a whole, and the arc-shaped hole penetrates through the chamfering punching table.

3. The three-in-one hole punch pliers according to claim 2, wherein: circular punching platform and oval punching platform all are equipped with the notch that is used for the material to place, the chamfer punching platform is equipped with the right angle notch, and the embedded circular counter bore that is equipped with of circular punching platform, the embedded oval counter bore that is equipped with of oval punching platform.

4. The three-in-one hole punch pliers according to claim 1, wherein: the pins penetrate through the upper support and the lower support, and the upper support and the lower support are movably connected with the handle through the pins.

5. The three-in-one hole punch pliers according to claim 1, wherein: the top of the chamfering tool extends to the horizontal plane of the bottom of the notch of the round punching table.

6. The three-in-one hole punch pliers according to claim 1, wherein: the lower support is internally provided with a small pin in an embedded mode, the small pin penetrates through the circular cutter, and the small pin is in interference fit with the circular cutter.

7. The three-in-one hole punch pliers according to claim 3, wherein: the chamfering cutter penetrates through the arc-shaped hole, the oval cutter penetrates through the oval counter bore, and the circular cutter penetrates through the circular counter bore.

8. The three-in-one hole punch pliers according to claim 3, wherein: the chamfering tool is in non-contact connection with the arc-shaped hole, the oval tool is in non-contact connection with the oval counter bore, and the circular tool is in non-contact connection with the circular counter bore.