CN220593449U

CN220593449U - Labor-saving perforating machine

Info

Publication number: CN220593449U
Application number: CN202322331323.6U
Authority: CN
Inventors: 邓维生
Original assignee: Guangdong Quanqiuying Technology Co ltd
Current assignee: Guangdong Quanqiuying Technology Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-03-15
Anticipated expiration: 2033-08-29

Abstract

The utility model relates to the technical field of perforating machines, in particular to a labor-saving perforating machine, which comprises a base, a perforating assembly positioned on the base and a handle for driving a perforating head in the perforating assembly to move downwards, wherein an expansion handle is also connected to the handle in a sliding manner; the expansion handle is connected with the handle through the sliding component, wherein an elastic piece is further arranged between the expansion handle and the handle, when a page with increased thickness needs to be punched, the connection state between the expansion handle and the handle can be unlocked through the locking component, at the moment, the whole expansion handle is rapidly and outwards slid and unfolded under the driving of the elastic piece, the force application length of the handle is increased by utilizing the lever principle, the force application force of a user is reduced, and therefore the labor-saving effect is achieved.

Description

Labor-saving perforating machine

Technical Field

The utility model relates to the technical field of punchers, in particular to a labor-saving puncher.

Background

The desktop type manual punching machine is the manual punching machine which is most used in daily office work, has the characteristics of low price, small appearance and simple and convenient use, and has a positioning scale, and the desktop type manual punching machine generally comprises a base handle and a punching head assembly.

A punching machine as disclosed in chinese patent publication No. CN 202388562U. It has solved the technical problem such as prior art design is unreasonable. Including base and press the piece, its characterized in that, the base on be fixed with two articulated seats, one of them articulated seat is worn to locate by the one end of articulated shaft, another articulated seat is worn to locate by the other end, press the piece and cup joint mutually with the articulated shaft, be equipped with the hole on the base, press the piece on be equipped with the punching press head that the hole corresponds the setting.

Because the length of the handle configured by the existing puncher is of a fixed structure, when thicker paper is punched, the length of the arm of force is constant under the influence of the lever principle, so that the operation is more laborious, and in order to further promote the punching adaptation of the traditional puncher to thick and thin paper, a labor-saving puncher is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a labor-saving perforating machine.

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

the labor-saving perforating machine comprises a base, a perforating assembly positioned on the base, and a handle for driving a perforating head in the perforating assembly to move downwards, wherein an expansion handle is also connected to the handle in a sliding manner;

the expansion handle is connected with the handle through a sliding component, an elastic piece is further arranged between the expansion handle and the handle, a locking component is further arranged between the expansion handle and the handle, and the locking component is used for fixing the expansion handle and the handle when the expansion handle is stored.

Further, the sliding component comprises at least one guide rod fixed at the bottom of the expansion handle, wherein a slideway is arranged on the end face of the handle, and the guide rod is in sliding connection with the slideway.

Further, a stop block is further installed at the bottom of the guide rod and located below the handle, and the elastic piece is arranged between the stop block and the handle.

Further, the elastic piece is a spring, a connecting seat is arranged at the bottom of the handle, and two ends of the spring are respectively fixed with the stop block and the connecting seat.

Further, the locking component is an elastic card arranged at the top of the handle, a bayonet is formed in the end face of the expansion handle, and the elastic card can be clamped in the bayonet.

Further, the sliding rail comprises an elastic sheet, a groove is further formed in the far end of the sliding rail, the elastic sheet is arranged in the groove, a protruding portion is arranged in the middle of the elastic sheet, and the protruding portion can be abutted to the outer side of the guide rod.

The labor-saving perforating machine provided by the utility model has the beneficial effects that: according to the utility model, through adding the design of the expansion handle, when the page with increased thickness is required to be punched, the connection state between the expansion handle and the handle can be unlocked through the locking component, at the moment, the whole expansion handle is rapidly and outwards slid and unfolded under the drive of the elastic piece, the force application length of the handle is increased by utilizing the lever principle, so that the pressing force of a user is reduced, the labor-saving effect is achieved, and the expansion handle can be stored on the handle when the page with smaller thickness is not used or operated, so that the storage effect is achieved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the expansion handle of the present utility model;

fig. 3 is an enlarged schematic view of a region a of fig. 2.

In the figure: 1. a base; 2. a punching assembly; 3. a handle; 4. an expansion handle; 5. a sliding assembly; 51. a guide rod; 52. a slideway; 53. a stop block; 6. a locking assembly; 61. an elastic clip; 62. a bayonet; 63. an elastic sheet; 7. an elastic member.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an embodiment of the present utility model discloses a labor-saving hole puncher, which includes a base 1, a hole punching assembly 2 located on the base 1, and a handle 3 for driving a hole punching head in the hole punching assembly 2 to move downwards, specifically, two hole punching assemblies 2 are set, the handle 3 has a U-shaped structure, which is not described in detail herein, wherein an expansion handle 4 is further connected to the handle 3 in a sliding manner;

the expansion handle 4 is connected with the handle 3 through a sliding component 5, wherein an elastic piece 7 is further arranged between the expansion handle 4 and the handle 3, a locking component 6 is further arranged between the expansion handle 4 and the handle 3, and the locking component 6 is used for fixing the expansion handle 4 and the handle 3 when the expansion handle is stored.

That is, in the utility model, by adding a design of the expansion handle 4, when the page with increased thickness needs to be punched, the connection state between the expansion handle 4 and the handle 3 can be unlocked through the locking component 6, at this time, the whole expansion handle 4 is quickly and outwards slid and unfolded under the driving of the elastic component 7, the force application length of the handle 3 is increased by utilizing the lever principle, so that the pressing force of a user is reduced, and the labor-saving effect is achieved.

In some embodiments, the sliding assembly 5 of the present utility model includes at least one guide rod 51 fixed to the bottom of the expansion handle 4, and of course, in this embodiment, one guide rod 51 is disposed on both sides of the bottom of the expansion handle 4, where a slide way 52 is located on the end surface of the handle 3, and the guide rod 51 is slidably connected to the slide way 52.

Furthermore, in this embodiment, a stop block 53 is further installed at the bottom of the guide rod 51, the stop block 53 is in a cylindrical structure, and the stop block 53 is located below the handle 3 and is used for placing the guide rod 51 to be separated from the slideway 52, where the elastic member 7 is disposed between the stop block 53 and the handle 3.

In other words, in this embodiment, the elastic member 7 is a spring, and a connecting seat is provided at the bottom of the handle 3, and two ends of the spring are respectively fixed to the stop block 53 and the connecting seat.

On the basis of the above embodiment, the locking component 6 is an elastic card 61 arranged at the top of the handle 3, the elastic card 61 is in an L-shaped structure, in the utility model, a groove is arranged at the top of the handle 3, the elastic card 61 is arranged in the groove, the retraction space occupied by the elastic card 61 is provided by the groove, a bayonet 62 is arranged on the end face of the expansion handle 4, the bayonet 62 is a square opening, and the elastic card 61 can be clamped in the bayonet 62.

Namely, when the handle 3 and the expansion handle 4 need to be unlocked, the user can press the elastic card 61 to retract in the groove, at the moment, the elastic card 61 is separated from the bayonet 62, and the expansion handle 4 is rapidly slid and opened under the pushing of the spring, so that the force application length of the handle 3 is increased.

Of course, considering the limitation of the maximum sliding position of the expansion handle 4, the present utility model further includes an elastic sheet 63, a groove is further provided at the distal end of the slideway 52, and the elastic sheet 63 is disposed in the groove, where a protrusion is provided in the middle of the elastic sheet 63, the protrusion is an arc-shaped portion, and the protrusion can abut against the outer side of the guide rod 51, and the protrusion is designed to abut against the guide rod 51, so that when the expansion handle 4 needs to be stored, only a pushing force needs to be applied to deform the elastic sheet 63, and separation of the guide rod 51 and the elastic sheet 63 can be completed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a laborsaving puncher, includes base (1), is located punching subassembly (2) of base (1) and is arranged in driving handle (3) that punch the head and move down in punching subassembly (2), its characterized in that: an expansion handle (4) is also connected on the handle (3) in a sliding way;

the expansion handle (4) is connected with the handle (3) through a sliding component (5), wherein an elastic piece (7) is further arranged between the expansion handle (4) and the handle (3), a locking component (6) is further arranged between the expansion handle (4) and the handle (3), and the locking component (6) is used for fixing the expansion handle (4) and the handle (3) when the expansion handle is stored.

2. A labor-saving hole punch according to claim 1, wherein: the sliding assembly (5) comprises at least one guide rod (51) fixed at the bottom of the expansion handle (4), wherein a slideway (52) is arranged on the end face of the handle (3), and the guide rod (51) is in sliding connection with the slideway (52).

3. A labor-saving hole punch as claimed in claim 2, wherein: a stop block (53) is further arranged at the bottom of the guide rod (51), the stop block (53) is located below the handle (3), and the elastic piece (7) is arranged between the stop block (53) and the handle (3).

4. A labor-saving hole punch according to claim 3, wherein: the elastic piece (7) is a spring, a connecting seat is arranged at the bottom of the handle (3), and two ends of the spring are respectively fixed with the stop block (53) and the connecting seat.

5. A labor-saving hole punch as claimed in claim 2, wherein: the locking assembly (6) is an elastic clamp (61) arranged at the top of the handle (3), a bayonet (62) is formed in the end face of the expansion handle (4), and the elastic clamp (61) can be clamped in the bayonet (62).

6. The labor-saving hole punch according to claim 5, wherein: the sliding rail is characterized by further comprising an elastic sheet (63), wherein a groove is formed in the far end of the sliding rail (52), the elastic sheet (63) is arranged in the groove, a protruding portion is arranged in the middle of the elastic sheet (63), and the protruding portion can be abutted against the outer side of the guide rod (51).