CN201026726Y

CN201026726Y - Labor-saving stapler

Info

Publication number: CN201026726Y
Application number: CNU2007201077701U
Authority: CN
Inventors: 林夏森
Original assignee: ZHEJIANG SUNWOOD INDUSTRIAL Co Ltd
Current assignee: Sunwood Holding Group Co., Ltd.
Priority date: 2007-04-04
Filing date: 2007-04-04
Publication date: 2008-02-27
Anticipated expiration: 2017-04-04

Abstract

The utility model provides a labor-saving stapler which belongs to technical field of office appliance and solves the shortcomings of hard operation and difficult binding existing in prior art. The labor-saving stapler comprises a base, a nail box and a press box. Tail ends of the nail box and the press box are hinged with the tail end of the base. The nail box is provided with a nail pushing mechanism and a nail location mechanism. The press box is provided with nail pressing tablet. The base below the nail pressing tablet is provided with a folded footplate. The middle-and-back part of the base is also hinged with a strip-shaped press handle. A press shaft is arranged on the press handle close to the hinging points. The press shaft can be contacted with the upper part of the press box. The labor-saving stapler not only saves labor but also has the advantages of simple structure, convenient use and elegant exterior.

Description

Labor-saved stapler

Technical field

The utility model belongs to the office accommodation technical field, relates to a kind of stapler.

Background technology

Stapler is the office accommodation that people use always, general common stapler structure, it mainly includes a base, is articulated in the nail box of base and presses box, presses box to be provided with and presses the nail sheet, the base of this pressure nail sheet below is provided with the folding sole, and it is by making staple penetrate paper to pressing box to exert pressure.

For but carry and easy to use, the length of general stapler is not too big, so its arm of force that is produced when use presses down is limited, particularly at the paper of needs bookbinding more for a long time, just need the very big power of expense to finish, sometimes even can't bind.

Summary of the invention

The purpose of this utility model is at the existing the problems referred to above of existing stapler, and a kind of labor-saved stapler simple in structure, easy to use is provided.

The purpose of this utility model can realize by following technical proposal: a kind of labor-saved stapler, it comprises base, nail box and presses box, the tail end of described nail box, pressure box all is hinged with the base tail end, the nail box is provided with the propelling movement and the location structure of staple, presses box to be provided with and presses the nail sheet, and the base of this pressure nail sheet below is provided with the folding sole, it is characterized in that, described base postmedian also is hinged with a bar shaped pressure handle, and the fixed-site near pin joint on the pressure handle has last item, and last item can contact with pressing the box top.

When conventional stapler is used, the nail box and fixing of earlier staple being packed into, the paper that will need then to bind places on the base, makes staple penetrate paper to pressing box to exert pressure at last.Wherein the arm of force of being exerted pressure is for pressing nail application point and the distance of pressing the box pin joint.This stapler is owing to be provided with last item and pressure handle, pressure handle has been the arm of force of lever pressurization, its fulcrum is the pin joint of it and base, and last item is to the stress point of pressing box to exert pressure as lever system, when the pressure handle front end is exerted pressure, become downward pressure by last item to pressing box-like, thereby finish bookbinding.

In above-mentioned labor-saved stapler, the tail end and the base tail end of described described nail box, pressure box are hinged by a jointed shaft, and above-mentioned last item is parallel to this jointed shaft.

In above-mentioned labor-saved stapler, described base postmedian is fixed with support, and above-mentioned pressure handle is articulated on this support.Can reduce the distance of last item and pin joint, reduce the arm of force of last item, thereby the pressure of last item is increased relatively.

In above-mentioned labor-saved stapler, described pressure handle has an end face and two parallel sides, and end face is vertical with two sides, and the two sides of pressure handle are hinged on respectively on separately the support.

In above-mentioned labor-saved stapler, described pressure handle is provided with handle case, and handle case wraps pressure handle and is connected with pressure handle.

In above-mentioned labor-saved stapler, the mode that is connected of described pressure handle and handle case has groove for the medial surface in handle case, and the relevant position of pressure handle is provided with the convex body that matches with shallow slot.Also can adopt and the mode that convex body is set on the groove handle case is set on the pressure handle realizes; The setting of handle case makes operation comparatively convenient and comfortable.

In above-mentioned labor-saved stapler, be provided with lid spring between described pressure box and the nail box.The setting of lid spring makes them stable at the non-working condition upper/lower positions.

Compared with prior art, the utility model has increased pressure handle on base, and be fixed with last item on the pressure handle, when therefore binding, by pressure handle is exerted pressure, the indirect then last item that passes through is finished bookbinding to pressing box to exert pressure, and has changed the arm of force of exerting oneself, because the arm of force that the pressure handle front end is exerted oneself is compared the arm of force of locating of last item and wanted big many, institute is so that this stapler has the labour-saving advantage; This stapler is provided with the handle of good looking appearance on pressure handle in addition, makes operation comparatively convenient and comfortable.

Description of drawings

Fig. 1 is the front view of this labor-saved stapler.

Fig. 2 is the cutaway view of Fig. 1.

Fig. 3 is the lever principle reduced graph of this labor-saved stapler.

Fig. 4 is the right view of this labor-saved stapler.

Fig. 5 is the stereogram of this labor-saved stapler.

Among the figure, 1, base; 11, folding sole; 12, press the nail guide groove; 2, nail box; 21, outer nail track; 22, inner nail track; 2a, spring; 2b, push jack; 2c, retaining head; 3, press box; 31, press the nail sheet; 32, guide groove; 4, support; 5, pressure handle; 6, last item; 7, bottom spring; 8, lid spring; 9, nail road switch; 91, pilot pin; 10, handle case.

The specific embodiment

As shown in Figure 1 and Figure 2, this labor-saved stapler, it comprises base 1, nail box 2, presses box 3 and support 4.Its medium-height trestle 4 is fixed on the base 1, it has two parallel sides, the tail end of described nail box 2, pressure box 3 all is hinged by a jointed shaft and support 4 tail ends, nail box 2 is provided with the propelling movement and the location structure of staple, press box 3 to be provided with and press nail sheet 31, the base 1 of these pressure nail sheet 31 belows is provided with folding sole 11.

As Fig. 2, this labor-saved stapler also is provided with a lever construction, and it comprises pressure handle 5 that is articulated in support 4 and the last item of being located on the pressure handle 56.Described pressure handle 5 has end face and two parallel sides, and its two sides are positioned at the both sides of pressing box 3; Pressure handle 5 two sides rear end lower are provided with the arcuation crotch, and described support 4 top front ends are provided with flat protruding pin, and pressure handle 5 is stuck in protruding pin by crotch and support 4 is hinged; Described pressure handle 5 is provided with axis hole near the position of pin joint.Last item 6 is through in the axis hole, and this kind structure can be rolled last item 6, reduces itself and pressure handle 5 and presses the friction of box 3.

When conventional stapler is used, the nail box 2 and fixing of earlier staple being packed into, the paper that will need then to bind places on the base 1, makes staple penetrate paper to pressing box 3 to exert pressure at last.Wherein the arm of force of being exerted pressure is for pressing nail application point and the distance of pressing box 3 pin joints, i.e. a20 among Fig. 3.As Fig. 2, shown in Figure 3, in this stapler, will press box 3 to be seen as bar B, pressure handle 5 is seen as bar A, suppose that the pressure of pressing nail to need is F2, by lever principle as can be known, F2*a2=F*a20, F1*a1=F*a10, draw F1/F2=(a10/a1) * (a2/a20), obviously F1＜F2.We suppose a kind of common situation, a10/a1=1/4, and (a2/a20)=1/2, then F1=1/2 F2 this shows, just can economize the power of half by this lever construction.

As shown in Figure 2, described pressure handle 5 is provided with handle case 10, and handle case 10 can wrap pressure handle 5, and its medial surface has groove, and the relevant position of pressure handle 5 is provided with the convex body that matches with groove.Handle case 10 is stuck in by groove and is fixed on the convex body on the pressure handle 5, and the setting of handle case 10 makes operation comparatively convenient and comfortable, and makes the global shape of stapler comparatively elegant in appearance.

As Fig. 2, shown in Figure 5, base 1 is provided with folding sole 11, has on the folding sole 11 to press nail guide groove 12.

As Fig. 2, shown in Figure 5, nail box 2 is provided with outer nail track 21 and inner nail track 22.Be provided with the spring 2a and the push jack 2b that push staple in the outer nail track 21, the head of outer nail track 21 is provided with a retaining 2c, and push jack 2b front end can be blocked in a 2c; The side tail end of inner nail track 22 is provided with the arcuation crotch.Support 4 tail ends also are hinged with nail road switch 9, and the top of nail road switch 9 is provided with pilot pin 91.In the time of staple need packing into, press pilot pin 91, drive nail road switch 9 and rotate, inner nail track 22 can be deviate from, thereby staple can be packed into inner nail track 22, and then inner nail track 22 is pushed in the outer nail track 21, is stuck on the grab of nail road switch 9 until it.

As Fig. 2, shown in Figure 4, press the pressure nail sheet 31 of box 3 heads to be provided with guide groove 32.

As Fig. 2, be respectively equipped with bottom spring 7, lid spring 8 between base 1 and nail box 2, nail box 2 and the pressure box 3.Spring makes their positions under non-working condition keep stable.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has used base 1, folding sole 11, pressure nail guide groove 12, nail box 2, outer nail track 21, inner nail track 22, spring 2a, push jack 2b, a retaining 2c, pressed terms such as box 3, pressure nail sheet 31, guide groove 32, support 4, pressure handle 5, last item 6, bottom spring 7, lid spring 8, nail road switch 9, pilot pin 91, handle case 10 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1. labor-saved stapler, it comprises base (1), nail box (2) and presses box (3), the tail end of described nail box (2), pressure box (3) all is hinged with base (1) tail end, nail box (2) is provided with the propelling movement and the location structure of staple, press box (3) to be provided with and press nail sheet (31), the base (1) of this pressure nail sheet (31) below is provided with folding sole (11), it is characterized in that, described base (1) postmedian also is hinged with a bar shaped pressure handle (5), the fixed-site that pressure handle (5) is gone up near pin joint has last item (6), and last item (6) can contact with pressing box (3) top.

2. labor-saved stapler according to claim 1 is characterized in that, the tail end and base (1) tail end of described described nail box (2), pressure box (3) are hinged by a jointed shaft, and above-mentioned last item (6) is parallel to this jointed shaft.

3. labor-saved stapler according to claim 1 and 2 is characterized in that, described base (1) postmedian is fixed with support (4), and above-mentioned pressure handle (5) is articulated on this support (4).

4. labor-saved stapler according to claim 3 is characterized in that, described pressure handle (5) has an end face and two parallel sides, and end face is vertical with two sides, and the two sides of pressure handle (5) are hinged on respectively on separately the support (4).

5. labor-saved stapler according to claim 4 is characterized in that, described pressure handle (5) is provided with handle case (10), and handle case (10) wraps pressure handle (5) and is connected with pressure handle (5).

6. labor-saved stapler according to claim 5 is characterized in that, described pressure handle (5) has groove with the mode that is connected of handle case (10) for the medial surface in handle case (10), and the relevant position of pressure handle (5) is provided with the convex body that matches with shallow slot.

7. according to claim 1 or 2 or 4 or 5 or 6 described labor-saved staplers, it is characterized in that, be provided with lid spring (8) between described pressure box (3) and the nail box (2).