Adjustable hole puncher

Abstract

The adjustable puncher comprises a base and a punching mechanism, a sliding way is formed in the bottom of the base in the transverse direction, a plurality of positioning grooves are formed in the sliding way and distributed at equal intervals in the transverse direction, a plurality of marking protruding blocks are arranged at one side end of the base, and the multiple marking protruding blocks correspond to the multiple positioning grooves in a one-to-one mode; an L-shaped stop plate is slidably connected into the sliding way, a size-adjustable containing space is formed between the L-shaped stop plate and the punching mechanism, a plurality of positioning protrusions are formed on the end face, close to the positioning grooves, of the L-shaped stop plate, the positioning protrusions are matched with the positioning grooves, the L-shaped stop plate is provided with a pointing rod, one end of the pointing rod and one positioning protrusion are coaxially arranged, and the other end of the pointing rod and the other positioning protrusion are coaxially arranged. And the other end faces the marking bump. The movable L-shaped stopping plate is arranged to drive paper to move, the pointing rod points to different marking protruding blocks through movement of the L-shaped stopping plate, and a user can conveniently control the hole distance between different batches during punching every time according to the pointing direction.

Description

Technical Field

[0001] This application relates to the field of binding technology, and in particular to an adjustable hole punch. Background Technology

[0002] Hole punches are common binding tools used to punch holes in financial vouchers and invoices used in production and operation processes to facilitate subsequent binding.

[0003] In existing technologies, a hole punch can punch multiple holes at once, but the number of holes can only be limited. When more holes need to be punched, the distance between new and old holes can only be determined by estimation. There is an urgent need for a hole punch that can clearly and control the distance between new and old holes when more holes need to be punched. Utility Model Content

[0004] This application provides an adjustable punch with an adjustable stop plate.

[0005] The adjustable hole punch provided in this application adopts the following technical solution:

[0006] An adjustable punch includes a base and a punching mechanism mounted on top of the base. A slide rail is formed laterally on the bottom of the base, and multiple positioning slots are provided on the slide rail. These positioning slots are equidistantly arranged laterally. Multiple marking protrusions are provided on one side of the base, each marking protrusion corresponding to one of the positioning slots. An L-shaped stop plate is slidably connected within the slide rail, forming an adjustable placement space between it and the punching mechanism. Multiple positioning protrusions are formed on one end face of the L-shaped stop plate near the positioning slots, and these protrusions match the positioning slots. A guide rod is provided on the L-shaped stop plate, with one end coaxially aligned with one of the positioning protrusions and the other end facing the marking protrusion.

[0007] Preferably, the top of the base has two through holes; the drilling mechanism includes two drilling seats, two drill rods and a pressing plate, the two drilling seats are respectively disposed above the two through holes, and two pressing areas are respectively formed between the two through holes, the two drill rods are respectively disposed on the two drilling seats and are respectively coaxially arranged with the two through holes, and the pressing plate is hinged to the two drilling seats.

[0008] Preferably, the L-shaped stop plate has a receiving groove on the side near the drilling mechanism, the bottom of the receiving groove is flush with the top of the base, and an elastic pressure block is provided on the top of the receiving groove.

[0009] Preferably, the L-shaped stop plate is further provided with an extension pad, and the extension pad, the bottom of the receiving groove and the top of the base are located on the same horizontal line.

[0010] To sum up, the present application includes at least one of the following beneficial technical effects:

[0011] 1. The present application drives the paper by setting a movable L-shaped stop plate, and the pointing rod moves through the L-shaped stop plate to point to different marking blocks, which facilitates the user to clearly control the hole distance between different batches of holes during each punching according to the pointing.

[0012] 2. The elastic pressing block is set to press the paper, which prevents the paper from moving during punching and ensures the punching effect.

[0013] 3. The extension pad is set to further provide support to the paper, ensuring the pressing effect of the elastic pressing block and the punching effect of the drill rod. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic view of the overall structure of the preferred embodiment of the present application.

[0015] Figure 2 is a schematic view of the structure of the slide of the preferred embodiment of the present application.

[0016] Figure 3 is a schematic view of the structure of the base of the preferred embodiment of the present application.

[0017] Figure 4 is a schematic view of the structure of the punching mechanism of the preferred embodiment of the present application.

[0018] Figure 5 is a schematic view of the structure of the L-shaped stop plate of the preferred embodiment of the present application.

[0019] Figure 6 is a partial enlarged view of Figure 5 .

[0020] Figure 7 is a schematic view of the structure of the pointing rod of the preferred embodiment of the present application.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 1, base; 11, slide; 111, positioning groove; 12, marking block; 13, through hole; 14, drawer; 2, punching mechanism; 21, punching seat; 22, drill rod; 23, pressing plate; 3, L-shaped stop plate; 31, positioning protrusion; 32, accommodating groove; 33, elastic pressing block; 34, extension pad; 4, pointing rod; 41, first rod body; 42, second rod body; 43, third rod body. DETAILED DESCRIPTION

[0022] The present application will be further described in detail below with reference to the accompanying drawings.

[0023] The present application provides an adjustable puncher, as shown inFigures 1 to 7 As shown, it comprises a base 1, the top of the base 1 is provided with two through holes 13, the bottom of the base 1 is formed with a slide 11, the slide 11 is provided with a plurality of positioning grooves 111, the plurality of positioning grooves 111 are arranged equidistantly in the transverse direction, a plurality of marking protrusions 12 are arranged on one side of the base 1, the plurality of marking protrusions 12 are arranged in the transverse direction and correspond to the plurality of positioning grooves 111 one by one, a drawer 14 for placing waste paper is formed in the base 1, the two through holes 13 are communicated with the space in the drawer 14, specifically, the base 1 is of a rectangular structure, the marking protrusions 12 are arranged on the side surface of the base 1 close to the positioning grooves 111, and the plurality of marking protrusions 12 correspond to the plurality of positioning grooves 111 one by one, which means that the marking protrusions 12 and the corresponding positioning grooves 111 are located on the same section surface.

[0024] The L-shaped stop plate 3 is slidably connected in the slide 11, and a size-adjustable placing space is formed between the L-shaped stop plate 3 and the punching mechanism 2. Figure 5 And 6 As shown, the end surface of the L-shaped stop plate 3 close to the plurality of positioning grooves 111 is formed with a plurality of positioning protrusions 31, the plurality of positioning protrusions 31 are matched with the plurality of positioning grooves 111, the L-shaped stop plate 3 is provided with a pointing rod 4, one end of the pointing rod 4 is coaxially arranged with one of the positioning protrusions 31, and the other end faces the marking protrusion 12, a containing groove 32 is formed on the side of the L-shaped stop plate 3 close to the punching mechanism 2, the groove bottom of the containing groove 32 is flush with the top of the base 1, the top of the containing groove 32 is provided with an elastic pressing block 33, and the L-shaped stop plate 3 is further provided with an extension pad 34, the extension pad 34, the groove bottom of the containing groove 32 and the top of the base 1 are located on the same horizontal line, specifically, the horizontal part of the L-shaped stop plate 3 is arranged in the slide 11, the vertical part is located on one side of the base 1, the horizontal part is slidably connected in the slide 11, so that a size-adjustable placing space is formed between the vertical part and the punching mechanism 2, the end surface of the horizontal part close to the plurality of positioning grooves 111 is formed with a plurality of positioning protrusions 31, the positioning protrusions 31 are embedded in the positioning grooves 111 through the horizontal part, and the side of the horizontal part away from the positioning protrusions 31 is provided with the pointing rod 4. Figure 7As shown, the pointing rod 4 comprises a first rod body 41, a second rod body 42 and a third rod body 43 connected in sequence, the first rod body 41 and the third rod body 43 are perpendicular to the second rod body 42, the first rod body 41 is connected and perpendicular to the horizontal part of the L-shaped stop plate 3, and is coaxially arranged with the last positioning protrusion 31, the third rod body 43 is arranged outside the base 1 and slides towards the positioning protrusion 31 through the horizontal part, for marking the moving distance of the L-shaped stop plate 3, the vertical part is provided with a containing groove 32 close to one side of the punching mechanism 2, the groove bottom of the containing groove 32 is flush with the top of the base 1, the top of the containing groove 32 is provided with an elastic pressing block 33, and an extension pad 34 is further arranged on the vertical part, the extension pad 34, the groove bottom of the containing groove 32 and the top of the base 1 are located on the same horizontal line, the containing groove 32 is used for placing the end of the paper, the elastic pressing block 33 is used for pressing the paper, so that the paper is not easy to move in the punching process, and the extension pad 34 is used for further providing support force for the paper, so that the paper is more flat in the punching process, and the punching effect is guaranteed.

[0025] In the specific use process of the adjustable puncher itself, the paper is first allowed to pass through the punching area formed between the punching seat 21 and the top of the base 1, the end of the paper is lifted by the extension pad 34 and is pressed in the containing groove 32 by the elastic pressing block 33, the user presses the pressing plate 23 to make the drill rod 22 punch through the paper, the cut waste paper falls into the drawer 14, the L-shaped stop plate 3 is pulled, thereby driving the plurality of positioning protrusions 31, so that the positioning protrusions 31 are embedded in another positioning groove 111 and are fixed, the pointing rod 4 points to other marking protrusions 12 along with the movement of the L-shaped stop plate 3, thereby indicating the current position of the L-shaped stop plate 3, thereby facilitating the user to clearly control the hole distance between the new hole and the old hole in the secondary punching according to the pointing position of the pointing rod 4, compared with the prior art, the adjustable puncher of the application drives the paper to move by arranging the movable L-shaped stop plate 3, the pointing rod 4 points to different marking protrusions 12 by moving the L-shaped stop plate 3, thereby facilitating the user to control the hole distance between different batches in each punching according to the pointing, and the structure is simple and the operation is convenient.

[0026] The above are preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. Adjustable puncher, characterized in that: It comprises a base (1) and a punching mechanism (2) installed on the top of the base (1), the bottom of the base (1) is formed with a slide (11) in the transverse direction, a plurality of positioning grooves (111) are formed on the slide (11), a plurality of positioning grooves (111) are arranged equidistantly in the transverse direction, a plurality of marking protrusions (12) are arranged on one side of the base (1), a plurality of marking protrusions (12) correspond to a plurality of positioning grooves (111) one by one, an L-shaped stop plate (3) is slidably connected in the slide (11), and a size-adjustable placement space is formed between the L-shaped stop plate (3) and the punching mechanism (2), a plurality of positioning protrusions (31) are formed on one end face of the L-shaped stop plate (3) close to a plurality of positioning grooves (111), a plurality of positioning protrusions (31) match a plurality of positioning grooves (111), the L-shaped stop plate (3) is provided with a pointing rod (4), one end of the pointing rod (4) is coaxially arranged with one of the positioning protrusions (31), and the other end faces the marking protrusion (12).

2. The adjustable puncher according to claim 1, characterized in that: Two through holes (13) are formed on the top of the base (1); The punching mechanism (2) comprises two punching seats (21), two drill rods (22) and a pressing plate (23), two punching seats (21) are arranged above two through holes (13) respectively, and two pressing areas are formed between two through holes (13) and two punching seats (21) respectively, two drill rods (22) are arranged on two punching seats (21) respectively, and two drill rods (22) are coaxially arranged with two through holes (13) respectively, and the pressing plate (23) is hinged on two punching seats (21).

3. The adjustable puncher according to claim 1, characterized in that: The L-shaped stop plate (3) is provided with a containing groove (32) on one side close to the punching mechanism (2), the groove bottom of the containing groove (32) is flush with the top of the base (1), and the top of the containing groove (32) is provided with an elastic pressing block (33).

4. The adjustable puncher according to claim 3, characterized in that: The L-shaped stop plate (3) is further provided with an extension pad (34), the extension pad (34), the groove bottom of the containing groove (32) and the top of the base (1) are located on the same horizontal line.

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