CN218518581U - Stapler - Google Patents

Abstract

The utility model discloses a stapler relates to the stationery field, provides one kind and does benefit to and prevents that the staple from not ordering into the paper and the stapler of incurving in advance. The stapler comprises a base, a staple box, a lower pressing handle, a guide rod, a rear spring and a pressing seat, wherein the staple box and the lower pressing handle are hinged with the base; the anti-bending seat is sleeved on the guide rod and abuts against the bottom surface of the inner cavity of the staple box, a staple gap is formed between the anti-bending seat and the side wall of the inner cavity of the staple box, and a backspacing inclined plane is arranged at the front upper end of the anti-bending seat; the front spring is sleeved on the guide rod, and two ends of the front spring are respectively abutted against the pressing seat and the anti-bending seat; the anti-bending seat can move backwards into the pressing seat.

Description

Stapler

Technical Field

The utility model relates to a stationery field especially relates to a stapler.

Background

The stapler is a common stationery in daily life. The stapler used in daily life comprises a base, a staple box, a lower pressing handle, a guide rod, a rear spring and a pressing seat, wherein the staple box and the lower pressing handle are hinged with the base, the lower pressing handle is provided with a lower pressing tongue, the guide rod and the staple box are arranged in the same direction and are positioned in the staple box, the pressing seat is positioned in the staple box and is matched with the staple box, and the rear spring is sleeved on the guide rod and is pressed against the pressing seat in front. When the staple box is used, after the pressing seat is used, staples are placed in the staple box and positioned in front of the pressing seat, and the rear spring rebounds to press the staples; the push-down lever is pressed down, and the push-down lever presses a staple, so that the staple moves down out of the staple cartridge to staple the sheets.

Conventional staplers, although widely used, still have some drawbacks. First, in the process of stapling sheets, if the sheets are thick, the legs of the staple may be bent inward without being stapled into the sheets. The reason is that the side plates of the staple box limit the outward bending of the staple legs of the staples; the front end plate of the staple box, the rest staples and the pressing seat limit the front and back bending of staple legs of the staples, and the width of the staples is larger than the thickness of the staples, so that the staples are not easy to bend front and back; the stapler has no structure for limiting the inward bending of the legs of the staple. Secondly, the length of the base and the length of the lower pressing handle are basically the same as the length of the staple box, and the force required by the stapler to staple paper, especially thicker paper, is larger. The pressing handle is easy to press by adults with less strength and insufficient pressing force.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: a stapler which is advantageous in preventing a staple from being bent inward in advance without being driven into a sheet is provided.

The technical scheme adopted for solving the problems is as follows: the stapler comprises a base, a staple box, a lower pressing handle, a guide rod, a rear spring and a pressing seat, wherein the staple box and the lower pressing handle are hinged with the base; the anti-bending seat is sleeved on the guide rod and abuts against the bottom surface of the inner cavity of the staple box, a staple gap is formed between the anti-bending seat and the side wall of the inner cavity of the staple box, and a backspacing inclined plane is arranged at the front upper end of the anti-bending seat; the front spring is sleeved on the guide rod, and two ends of the front spring are respectively abutted against the pressing seat and the anti-bending seat; the anti-bending seat can move backwards into the pressing seat.

Further, the method comprises the following steps: the length of the base and the length of the pressing handle are both adjustable.

Further, the method comprises the following steps: the base comprises a base main body and an extension plate, the lower part of the base main body is provided with a U-shaped groove, the extension plate is positioned in the U-shaped groove, the front end of the extension plate is hinged with the base main body, and a distance is reserved between the front end of the extension plate and the front end of the base main body; when the extension plate rotates out of the U-shaped groove and is horizontal, the bottom surface of the extension plate is flush with the bottom surface of the base main body, and the top surface of the extension plate abuts against the bottom of the U-shaped groove.

Further, the method comprises the following steps: the lower pressing handle comprises a guide strip, an inner handle strip with a U-shaped cross section and an outer handle strip with a U-shaped cross section, the inner handle strip is hinged to the base, the pressing tongue is arranged on the inner handle strip, the outer handle strip is sleeved on the inner handle strip, two side plates of the outer handle strip are provided with long holes arranged along the length direction of the long holes, the guide strip and the long holes are in one-to-one correspondence, the guide strip is located in the long holes and matched with the long holes, and the guide strip is connected with the inner handle strip.

The utility model has the advantages that: 1. as shown in fig. 3, the utility model discloses pack into the staple, before the order paper, the back spring makes and presses down the seat and push down the staple, and the front spring makes the anti-bending seat support and lean on the front end board of staple box. Prevent that curved seat keeps off in the staple inboard, plays the effect that prevents the staple incurve in advance, consequently the utility model discloses do benefit to and prevent that the staple from not ordering into the paper and incurve in advance, can improve the reliability that the stapler used.

At the initial stage of the paper stapling process, the bending prevention base is not forced backward and can be kept to abut against the front end plate of the staple box. After the staple moves downwards for a certain distance and is implanted into the paper, the staple contacts the backspace inclined plane; when the staple moves downwards continuously, the staple pushes down the backspace inclined plane to enable the anti-bending seat to move backwards; the bending-preventing seat moves backwards to leave a downward moving space, and the staple continuously moves downwards to complete the paper stapling. Therefore, the arrangement of the anti-bending seat does not influence the normal work of the stapler.

2. Further, the length of the base and the length of the pressing handle can be adjusted. Then the utility model discloses adjustable to the state that fig. 5 shows, the base all adjusts long with the handle that pushes down for the arm of force of stapler extension, thereby use less pressing force also can order thicker paper, be fit for the use of minors.

Drawings

FIG. 1 is a view of the stapler structure;

fig. 2 is a sectional view of the staple cartridge;

FIG. 3 is a cross-sectional view of the staple cartridge with the stapler in use;

FIG. 4 is a top view of the stapler cartridge;

FIG. 5 is a view of the stapler with the base and the lower handle both extended;

labeled as: the staple pressing device comprises a base 1, a base body 11, a U-shaped groove 111, an extension plate 12, a staple box 2, a pressing handle 3, an inner handle strip 31, an outer handle strip 32, a long hole 321, a guide strip 33, a pressing tongue 311, a guide rod 4, a pressing seat 5, a rear spring 6, an anti-bending seat 7, a backspacing inclined surface 71, a front spring 8 and a staple gap 9.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 to 4, the stapler includes a base 1, a staple cartridge 2, a lower pressing handle 3, a guide rod 4, a rear spring 6 and a pressing base 5, the staple cartridge 2 and the lower pressing handle 3 are hinged with the base 1, the lower pressing handle 3 is provided with a lower pressing tongue 311, the guide rod 4 is arranged in the same direction as the staple cartridge 2 and is positioned in the staple cartridge 2, the pressing base 5 is positioned in the staple cartridge 2 and is matched with the staple cartridge 2, the rear spring 6 is sleeved on the guide rod 4 and presses the pressing base 5 forward; the staple pressing device is characterized by further comprising an anti-bending seat 7 and a front spring 8, wherein the anti-bending seat 7 is arranged in the staple box 2 and is positioned in front of the pressing seat 5, the anti-bending seat 7 is sleeved on the guide rod 4 and abuts against the bottom surface of the inner cavity of the staple box 2, a staple gap 9 is formed between the anti-bending seat 7 and the side wall of the inner cavity of the staple box 2, and the front upper end of the anti-bending seat 7 is provided with a retraction inclined surface 71; the front spring 8 is sleeved on the guide rod 4, and two ends of the front spring 8 respectively abut against the pressing seat 5 and the anti-bending seat 7; the anti-bending seat 7 can move backwards into the pressing seat 5.

As shown in fig. 3, the present invention loads staples, before stapling, the rear spring 6 makes the pressing base 5 press the staples, and the front spring 8 makes the bending prevention base 7 abut on the front end plate of the staple cartridge 2. Prevent that curved seat 7 keeps off in the staple inboard, plays the effect that prevents the staple incurve in advance, consequently the utility model discloses do benefit to and prevent that the staple from not stitching into the paper and incurve in advance, can improve the reliability that the stapler used.

At the initial stage of the sheet binding process, the bending prevention base 7 is not subjected to a backward force and can be held against the front end plate of the staple cartridge 2. After the staple moves downwards for a certain distance and is stapled into the paper, the staple contacts the backspacing inclined plane 71; when the staple moves downwards continuously, the staple pushes down the backspace inclined plane 71 to enable the anti-bending seat 7 to move backwards; the anti-bending seat 7 moves backwards to form a downward moving space, and the staple moves downwards continuously to finish paper stapling. Therefore, the arrangement of the anti-bending 7 seat does not affect the normal work of the stapler.

The height of the anti-bowing seats 7 should be lower than the height of the staple legs, preferably 2/3 of the height of the staple legs. The width of the staple gap 9 should match the thickness of the staple to ensure the anti-bowing effect. The anti-bending seat 7 is sleeved on the guide rod 4 and is abutted against the bottom surface of the inner cavity of the staple box 2, so that the anti-bending seat 7 can only move along the guide rod 4 and cannot move left and right or rotate. The position of the pressing base 5 is gradually moved forward along with the use of the staple, while the position of the anti-bending base 7 is not changed, so that the pressing base 5 is continuously close to the anti-bending base 7. When using last staple, the front surface position that compresses tightly seat 5 basically with the front surface parallel and level of preventing curved seat 7, consequently the utility model discloses need prevent that curved seat 7 can move backward to compressing tightly in the seat 5. As shown in fig. 2 and 3, a cavity is provided in the pressure foot 5, which is accessible by the bending foot 7 and which is also sufficient to accommodate the front spring 8. The front spring 8 should not affect the rear spring 6 driving the press 5 against the staple, so the strength of the front spring 8 should be lower than the strength of the rear spring 6.

Furthermore, the length of the preferable base 1 and the length of the pressing handle 3 of the utility model are adjustable. So then the utility model discloses adjustable to the state that fig. 5 shows, base 1 and the equal 3 length-adjusting of handle that push down for the arm of force extension of stapler, thereby use less pressing force also can order thicker paper, be fit for the use of minors. The base 1 and push down handle 3 may be generally short to accommodate.

The specific structure of the base 1 may be as follows: the base 1 comprises a base main body 11 and an extension board 12, wherein the lower part of the base main body 11 is provided with a U-shaped groove 111, the extension board 12 is positioned in the U-shaped groove 111, the front end of the extension board 12 is hinged with the base main body 11, and a distance is reserved between the front end of the extension board 12 and the front end of the base main body 11; when the extension board 12 is rotated out of the U-shaped groove 111 and leveled, the bottom surface of the extension board 12 is leveled with the bottom surface of the base main body 11, and the top surface of the extension board 12 abuts on the bottom of the U-shaped groove 111.

Thus, as shown in fig. 1 and 5, the length of the base 1 can be adjusted by rotating the extension board 12.

The specific structure of the push-down handle 3 may be as follows: the lower pressing handle 3 comprises a guide strip 33, an inner handle strip 31 with a U-shaped section and an outer handle strip 32 with a U-shaped section, the inner handle strip 31 is hinged to the base 1, a pressing tongue 311 is arranged on the inner handle strip 31, the outer handle strip 32 is sleeved on the inner handle strip 31, two side plates of the outer handle strip 32 are provided with long holes 321 arranged along the length direction, the guide strip 33 and the long holes 321 are arranged in a one-to-one correspondence mode, the guide strip 33 is located in the long holes and matched with the long holes 321, and the guide strip 33 is connected with the inner handle strip 31.

Thus, as shown in fig. 1 and 5, the length of the push-down handle 3 can be adjusted by pushing or pulling the outer handle strip 32.

Claims (4)

1. The stapler comprises a base (1), a staple box (2), a lower pressing handle (3), a guide rod (4), a rear spring (6) and a pressing seat (5), wherein the staple box (2) and the lower pressing handle (3) are hinged with the base (1), the lower pressing handle (3) is provided with a lower pressing tongue (311), the guide rod (4) and the staple box (2) are arranged in the same direction and are positioned in the staple box (2), the pressing seat (5) is positioned in the staple box (2) and is matched with the staple box (2), and the rear spring (6) is sleeved on the guide rod (4) and presses the pressing seat (5) in front; the method is characterized in that: the anti-bending staple device comprises an anti-bending seat (7) and a front spring (8), wherein the anti-bending seat (7) is arranged in a staple box (2) and is positioned in front of a pressing seat (5), the anti-bending seat (7) is sleeved on a guide rod (4) and is abutted against the bottom surface of an inner cavity of the staple box (2), a staple gap (9) is formed between the anti-bending seat (7) and the side wall of the inner cavity of the staple box (2), and a retraction inclined plane (71) is arranged at the front upper end of the anti-bending seat (7); the front spring (8) is sleeved on the guide rod (4), and two ends of the front spring (8) are respectively abutted against the pressing seat (5) and the anti-bending seat (7); the anti-bending seat (7) can move backwards into the pressing seat (5).

2. The stapler of claim 1, wherein: the length of the base (1) and the length of the lower pressing handle (3) are both adjustable.

3. The stapler of claim 2, wherein: the base (1) comprises a base main body (11) and an extension plate (12), wherein a U-shaped groove (111) is formed in the lower portion of the base main body (11), the extension plate (12) is located in the U-shaped groove (111), the front end of the extension plate (12) is hinged to the base main body (11), and a distance is reserved between the front end of the extension plate (12) and the front end of the base main body (11); when the extension plate (12) rotates out of the U-shaped groove (111) and is horizontal, the bottom surface of the extension plate (12) is flush with the bottom surface of the base main body (11), and the top surface of the extension plate (12) abuts against the bottom of the U-shaped groove (111).

4. The stapler of claim 2, wherein: push down handle (3) including guide bar (33), the cross-section is interior handle strip (31) of U-shaped and outer handle strip (32) that the cross-section is the U-shaped, interior handle strip (31) are articulated with base (1), push down tongue (311) and set up on interior handle strip (31), outer handle strip (32) cover is on interior handle strip (31), slot hole (321) that set up along its length direction have on two curb plates of outer handle strip (32), guide bar (33) and slot hole (321) one-to-one set up, guide bar (33) are located the slot hole and cooperate with slot hole (321), guide bar (33) are connected with interior handle strip (31).

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