CN217751765U

CN217751765U - Labor-saving punching pliers

Info

Publication number: CN217751765U
Application number: CN202221466680.2U
Authority: CN
Inventors: 谈鹏; 吕俊达; 吕茂富
Original assignee: Zhejiang Kamei Stationery Co ltd
Current assignee: Zhejiang Kamei Stationery Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-11-08
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to the technical field of perforating pliers, in particular to labor-saving perforating pliers, which comprises a lower pressure rod, an upper pressure rod and a tool apron structure connected between the lower pressure rod and the upper pressure rod, wherein the tool apron structure comprises a lower tool apron and an upper tool apron which are integrally formed, a placing groove is arranged between the lower tool apron and the upper tool apron, the lower tool apron is arranged at the front part of the lower pressure rod, the front part of the upper tool apron is rotatably connected with the front part of the upper pressure rod, the top part of the upper tool apron is provided with an upper groove, the bottom of the upper groove is provided with an upper cutting hole communicated with the placing groove, and the bottom of the lower tool apron is provided with a lower cutting hole communicated with the placing groove; have the handle of a knife along vertical direction sliding connection in the upper groove, the handle of a knife is connected with last blade holder, the bottom fixedly connected with tool bit of handle of a knife, the utility model discloses to install the front portion of depression bar under with the lower blade holder, go up the front portion of depression bar and be connected with the front portion rotation of last blade holder, according to lever principle, so set up more laborsaving when pressing down the depression bar, more laborsaving when punching to thicker paper.

Description

Labor-saving punching pliers

Technical Field

The utility model relates to a pincers technical field that punch, specifically speaking relates to a laborsaving pincers that punch.

Background

The perforating clamp is a common living article and is mainly used for perforating paper, the perforating clamp can be used for perforating tickets of tourists in some tourist attractions after the tourists use, and the perforating clamp can be used for perforating the paper in the manual manufacturing activities of children. However, most of the currently used punching pliers are arranged in a vice mode, and the rotating connection points of the two pressing rods are arranged at the positions, close to the middle parts, of the pressing rods, so that the punching pliers are relatively labor-consuming in punching and need to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laborsaving hole pincers to solve the problem that proposes among the above-mentioned background art.

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

a labor-saving punching pliers comprises a lower pressing rod, an upper pressing rod and a tool apron structure connected between the lower pressing rod and the upper pressing rod, wherein the tool apron structure comprises a lower tool apron and an upper tool apron which are integrally formed, a placing groove is formed between the lower tool apron and the upper tool apron, the lower tool apron is installed at the front part of the lower pressing rod, the front part of the upper tool apron is rotatably connected with the front part of the upper pressing rod, an upper groove is formed in the top of the upper tool apron, an upper punching hole communicated with the placing groove is formed in the bottom of the upper groove, and a lower punching hole communicated with the placing groove is formed in the bottom of the lower tool apron; the handle of a knife has along vertical direction sliding connection in the upper groove, and the handle of a knife is connected with last blade holder, and the bottom fixedly connected with tool bit of handle of a knife presses down the depression bar and orders about the tool bit and pass cut-off hole and undercut hole in proper order, still includes the spring, the top and the bottom of spring respectively with last depression bar and last blade holder fixed connection.

Preferably, the bottom center of the cutter head is upwards sunken to form a concave part.

Preferably, the cross section of the cutter head is circular, oval or polygonal.

Preferably, the front part of the lower pressure lever is provided with a lower mounting groove, and the lower tool apron is fixedly connected in the lower mounting groove.

Preferably, the bottom of the lower tool apron is provided with a lower groove, the bottom of the lower pressure rod is provided with a paper scrap outlet communicated with the lower mounting groove, and a paper scrap cover is inserted in the paper scrap outlet.

Preferably, the rear part of the lower pressure lever is rotatably connected with an opening and closing hanging lever, and the rear top part of the upper pressure lever is fixedly connected with a stop block.

Preferably, the top of the upper pressure lever is provided with a plurality of anti-skid grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, install lower blade holder in the front portion of depression bar down, go up the anterior of depression bar and rotate with the front portion of last blade holder and be connected, according to lever principle, so set up more laborsaving when pressing the depression bar, more laborsaving when punching to thicker paper.

Secondly, when pressing the depression bar, can drive the handle of a knife along the perpendicular lapse of upper groove, thereby can keep the perpendicular lapse of tool bit to pass and cut the hole to cut the punching to the paper, thereby can avoid the paper to punch the position effectively all around by extrusion deformation, can not influence the pleasing to the eye of the back paper that punches.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a schematic structural view of the structure of the middle pressing rod and the tool holder of the present invention.

Fig. 4 is a schematic view of the overall structure of the middle knife holder structure of the present invention.

Fig. 5 is a second schematic view of the overall structure of the middle blade holder structure of the present invention.

Fig. 6 is a third schematic view of the overall structure of the middle knife holder structure of the present invention.

Fig. 7 is a schematic structural view of the middle lower pressing rod of the present invention.

Fig. 8 is a second schematic structural view of the middle down rod of the present invention.

Fig. 9 is a schematic structural view of the middle/upper compression bar of the present invention.

Fig. 10 is a schematic structural view of the middle tool bit and the tool shank of the present invention.

Fig. 11 is a schematic view of the present invention in use.

The meaning of the reference symbols in the figures is: 1. a lower pressure lever; 10. a lower mounting groove; 100. a scrap outlet; 101. notching; 2. an upper pressure lever; 20. a circular hole; 21. a slanted bar hole; 22. an anti-slip groove; 30. a lower tool apron; 300. cutting a hole; 301. a lower groove; 31. an upper tool apron; 310. an upper groove; 311. cutting a hole; 312. a chute; 32. a placement groove; 33. a fixed seat; 330. a first through hole; 40. a cutter head; 41. a knife handle; 410. a second through hole; 5. a spring; 60. a first shaft body; 61. a second shaft body; 70. opening and closing the hanging rod; 71. a stopper; 8. and (5) covering the paper scrap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a technical scheme:

a labor-saving punching pliers is shown in figures 1-7 and comprises a lower pressing rod 1, an upper pressing rod 2 and a tool apron structure connected between the lower pressing rod 1 and the upper pressing rod 2, wherein the tool apron structure comprises a lower tool apron 30 and an upper tool apron 31 which are integrally formed, a placing groove 32 is formed between the lower tool apron 30 and the upper tool apron 31, specifically, the placing groove 32 is located on one side of the front portion of the lower tool apron 30 and the upper tool apron 31, the left side and the right side of the front portion of the lower tool apron 30 and the left side of the left side and the right side of the left side are communicated with the outside, paper needing punching is conveniently placed into the placing groove 32, the lower tool apron 30 is installed on the front portion of the lower pressing rod 1, specifically, a lower mounting groove 10 is formed in the front portion of the lower pressing rod 1, and the lower tool apron 30 is fixedly connected into the lower mounting groove 10.

Referring to fig. 1-10, the front portion of the upper tool holder 31 is rotatably connected to the front portion of the upper press rod 2, the front portion of the upper tool holder 31 is fixedly connected to a fixing seat 33, the fixing seat 33 is provided with a first through hole 330, the left and right sides of the upper press rod 2 are provided with circular holes 20 at the front portion, the upper press rod further includes a first shaft 60, the first shaft 60 sequentially passes through the circular hole 20 at one side, the first through hole 330 and the circular hole 20 at the other side, and two ends of the first shaft 60 are respectively fixedly connected to inner walls of the two circular holes 20; the top of the upper tool apron 31 is provided with an upper groove 310, the bottom of the upper groove 310 is provided with an upper cutting hole 311 communicated with the placing groove 32, the bottom of the lower tool apron 30 is provided with a lower cutting hole 300 communicated with the placing groove 32, and the upper cutting hole 311 and the lower cutting hole 300 are positioned on the same vertical line; the upper groove 310 is connected with a knife handle 41 in a sliding manner along the vertical direction, specifically, two sides of the inner wall of the upper groove 310 are both provided with sliding grooves 312 arranged along the vertical direction, two sides of the upper pressure lever 2 are both provided with oblique strip holes 21 corresponding to the sliding grooves 312, and the oblique strip holes 21, the sliding grooves 312 and the upper groove 310 are communicated with each other; the knife handle 41 is connected with the upper knife holder 31, specifically, the second through hole 410 is formed in the knife handle 41, the second shaft body 61 is further included, the second shaft body 61 sequentially penetrates through the oblique strip hole 21 on one side, the sliding groove 312 on one side, the second through hole 410, the sliding groove 312 on the other side and the oblique strip hole 21 on the other side, the second shaft body 61 is fixedly connected into the second through hole 410, during installation, adhesive liquid is coated in the second through hole 410, the second shaft body 61 sequentially penetrates through the oblique strip hole 21 on one side, the sliding groove 312 on one side, the second through hole 410, the sliding groove 312 on the other side and the oblique strip hole 21 on the other side, and then after the adhesive liquid is dried, the second shaft body 61 and the knife handle 41 are fixedly bonded together.

Referring to fig. 10, the bottom of the knife handle 41 is fixedly connected with a knife head 40, the upper pressure lever 2 is pressed to drive the knife head 40 to sequentially pass through the upper cutting hole 311 and the lower cutting hole 300, and the size and the shape of the knife head 40 are matched with those of the upper cutting hole 311 and the lower cutting hole 300; when pressing depression bar 2, can drive handle of a knife 41 along the perpendicular lapse of upper groove 310, thereby can keep tool bit 40 perpendicular lapse to cut the hole 311 and punch to the paper, thereby can avoid the paper to punch the position all around by extrusion deformation effectively, can not influence the pleasing to the eye of the back paper that punches.

Referring to fig. 2 and 11, the tool holder further includes a spring 5, a top end and a bottom end of the spring 5 are respectively fixedly connected to the upper pressing rod 2 and the upper tool holder 31, referring to fig. 11, when the upper pressing rod 2 is not pressed, the spring 5 will push up a rear portion of the upper pressing rod 2 under the action of an elastic force, so that an angle is formed between the upper pressing rod 2 and the lower pressing rod 1; when the spring 5 jacks up the upper pressure lever 2 again, the knife handle 41 and the knife head 40 are also driven to move upwards, so that the bottom end of the knife head 40 is placed in the upper cutting hole 311, paper is conveniently placed in the placing groove 32, and the position of the paper needing to be punched is placed between the upper cutting hole 311 and the lower cutting hole 300.

It should be added that when the upper pressing rod 2 is pressed to move downwards or the upper pressing rod 2 is pushed up by the spring 5 to move upwards, the knife handle 41 and the knife head 40 will move upwards or downwards along with the upper pressing rod, and during the movement, both ends of the second shaft body 61 will slide in the slanted bar holes 21.

Referring to fig. 10, the bottom center of the cutter head 40 is recessed upward to form a recess, so that the bottom edge cutting portion and the bottom center of the cutter head 40 form a high end and a low end, when the cutter head 40 cuts paper downward, the bottom edge cutting portion of the cutter head 40 directly contacts the paper, and compared with the whole cutter head 40, the contact area between the bottom of the cutter head 40 and the paper is reduced, so that the cutting is more labor-saving, and the punching and forming are easier.

Further, the cross-section of the cutting head 40 is circular, oval or polygonal, so that the cutting head 40 can be used for punching holes with different shapes.

The bottom of the lower cutter holder 30 is provided with a lower groove 301, the bottom of the lower pressure lever 1 is provided with a paper scrap outlet 100 communicated with the lower mounting groove 10, a paper scrap cover 8 is inserted in the paper scrap outlet 100, paper scraps punched and cut by the cutter head 40 can fall into the lower mounting groove 10 from the lower cutting hole 300 for storage, the paper scraps punched and cut by the cutter head cannot fall onto a tabletop or the ground, and the dropped paper scraps are small and difficult to clean; the utility model discloses, the paper sweeps that cuts off of punching can fall into down and save in the mounting groove 10, can not appear this problem, takes off wastepaper lid 8, can be with the paper sweeps in the mounting groove 10 from going out paper bits mouth 100 discharges down.

In order to take the paper scrap cover 8 down from the paper scrap outlet 100, the bottom of the lower pressure rod 1 is provided with a notch 101 at the position of the paper scrap outlet 100, when the paper scrap cover 8 needs to be taken down, fingers can stretch into the notch 101, so that the paper scrap cover 8 is conveniently pulled out, and the practicability of the device is greatly improved.

In order to prevent the paper scrap cover 8 from falling and losing, a connecting belt can be arranged, one end of the connecting belt is fixedly connected with the paper scrap cover 8, the other end of the connecting belt is fixedly connected with the lower pressing rod 1, and after the paper scrap cover 8 is taken down, the connecting belt can pull the paper scrap cover 8, so that the paper scrap cover 8 cannot fall and lose.

A plurality of anti-skidding grooves 22 are formed in the top of the upper pressure rod 2, when the upper pressure rod 2 is punched, the anti-skidding grooves 22 can increase the friction force between the palm of the hand and the upper pressure rod 2, the hand is prevented from sliding, and the upper pressure rod 2 can be conveniently pressed to punch.

Referring to fig. 1, the rear part of the lower pressure lever 1 is rotatably connected with an opening and closing hanging lever 70, and the rear top part of the upper pressure lever 2 is fixedly connected with a stop block 71; when the perforating pliers are not used, the upper pressure rod 2 is pressed to enable the rear part of the upper pressure rod 2 to be in contact with the lower pressure rod 1, then the opening and closing hanging rod 70 is pulled to enable the opening and closing hanging rod 70 to cross the stop block 71, then the upper pressure rod 2 is slowly loosened, the upper pressure rod 2 is upwards jacked under the action of the spring 5, the stop block 71 is buckled with the opening and closing hanging rod 70, the upper pressure rod 2 and the lower pressure rod 1 can be folded together, and the perforating pliers are conveniently arranged in a backpack or a pocket to be carried.

It should be noted that, the utility model discloses, with the blade holder structure setting anterior between depression bar 1 and last depression bar 2 down, the anterior of going up depression bar 2 is connected with the anterior rotation of last blade holder 31, according to lever principle, so set up more laborsaving when pressing down depression bar 2, improved the practicality of device widely.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a laborsaving hole pincers, includes depression bar (1) down, goes up depression bar (2) and connects the blade holder structure between depression bar (1) down and last depression bar (2), its characterized in that: the tool apron structure comprises a lower tool apron (30) and an upper tool apron (31) which are integrally formed, a placing groove (32) is arranged between the lower tool apron (30) and the upper tool apron (31), the lower tool apron (30) is installed at the front part of a lower compression bar (1), the front part of the upper tool apron (31) is rotatably connected with the front part of an upper compression bar (2), an upper groove (310) is formed in the top of the upper tool apron (31), an upper cutting hole (311) communicated with the placing groove (32) is formed in the bottom of the upper groove (310), and a lower cutting hole (300) communicated with the placing groove (32) is formed in the bottom of the lower tool apron (30); go up in recess (310) along vertical direction sliding connection have handle of a knife (41), handle of a knife (41) are connected with last blade holder (31), and the bottom fixedly connected with tool bit (40) of handle of a knife (41) presses down depression bar (2) and orders about tool bit (40) and pass last notch hole (311) and undercut hole (300) in proper order, still includes spring (5), the top and the bottom of spring (5) respectively with last depression bar (2) and last blade holder (31) fixed connection.

2. The labor-saving hole punch pliers according to claim 1, wherein: the bottom center of the cutter head (40) is upwards sunken to form a sunken part.

3. The labor-saving hole-punching pliers according to claim 1, wherein: the cross section of the cutter head (40) is circular, oval or polygonal.

4. The labor-saving hole-punching pliers according to claim 1, wherein: the front part of the lower pressure lever (1) is provided with a lower mounting groove (10), and the lower tool apron (30) is fixedly connected in the lower mounting groove (10).

5. The labor-saving hole punch pliers according to claim 4, wherein: the bottom of lower blade holder (30) is equipped with low groove (301), and play paper bits mouth (100) that feed through with lower mounting groove (10) are seted up to the bottom of lower depression bar (1), and it has paper bits lid (8) to go out to peg graft in paper bits mouth (100).

6. The labor-saving hole punch pliers according to claim 1, wherein: the rear part of the lower pressure lever (1) is rotatably connected with an opening and closing hanging lever (70), and the rear top part of the upper pressure lever (2) is fixedly connected with a stop block (71).

7. The labor-saving hole punch pliers according to claim 1, wherein: the top of the upper pressure lever (2) is provided with a plurality of anti-skid grooves (22).