CN201080041Y

CN201080041Y - Labor-saving stapler

Info

Publication number: CN201080041Y
Application number: CNU2007201571674U
Authority: CN
Inventors: 刘懿祎; 江俊贤
Original assignee: Shunde Industry Co Ltd
Current assignee: Shunde Industry Co Ltd
Priority date: 2007-07-31
Filing date: 2007-07-31
Publication date: 2008-07-02
Anticipated expiration: 2017-07-31

Abstract

The utility model relates to a labor saving stapling machine, which comprises a bottom seat group, a middle groove group which can hold stapling nails, and an upper cover group, wherein the upper cover group comprises a metal upper cover and an auxiliary upper cover, the two sides of the metal upper cover close to the rear end is hinged at the two sides in the middle section of the bottom seat group, slide ways extending slantwise with higher front parts and lower rear parts are respectively arranged at the two sides of the metal upper cover, a driving pin penetrates through the two slide ways, the auxiliary upper cover comprises a top plate, side plates and a nail pressing sheet positioned at the front end, the rear ends of the two side plates are mutually hinged with the rear end of the middle groove group and the rear end of the bottom seat group, the middle sections of the two side plates are used for the penetration and the hinging of the driving pin, and the nail pressing sheet penetrates through the front end of the middle groove group. When the front end of the upper cover group is pressed down for binding up files, the driving pin is displaced along the slide ways, and further assists the upper cover to press down the files to be bound up together with the middle groove group, but because being positioned between the forcing applying position at the front end and the hinging position at the rear end of the metal upper cover, the driving pin has the function of magnifying the applied force, and the applied force is also applied to the middle groove group, in order to achieve the labor saving effect.

Description

Labor-saved stapler

[technical field]

The utility model is about a kind of stapler, particularly about a kind of stapler with labor-saving effect.

[background technology]

Stapler is the stationery that generally uses, in order to paper document is stapled together, yet, when the paper of institute desire bookbinding is thicker, need impose bigger power, can make the U-shaped staple pass stacked paper, therefore easily women worker is caused burden, even cause palm or finger pain.Because general stapler fails effectively to provide the labour-saving function, existing a kind of labor-saved stapler has been got permission the TaiWan, China patent, TaiWan, China letters patent book number is M299629 number (hereinafter to be referred as the reference case), it from bottom to top comprises a pedestal, a staple cartridge component, a laborsaving bar assembly, a depression bar assembly in regular turn, this depression bar assembly comprises a laborsaving bar, one and the connecting rod that links of laborsaving bar again, connect the depression bar that promotes the depression bar assembly by this connecting rod, group constitutes the laborsaving design that utilizes the lever principle drivening rod.

Yet though can reach the labour-saving purpose with reference to case, it is many that it has a member, is difficult for making and the disappearance of assembling.

Moreover, desire the bound book pin and when opening the laborsaving bar of depression bar assembly, need bigger opening angle, account for the operating space, and the depression bar assembly is to be pivoted with rear end and pedestal, therefore, and after raising, the floor space that center of gravity is positioned at pedestal can't steadily place on the plane outward, loads staple on the desktop so be inconvenient to place.

So necessity of further improvement is arranged about the laborsaving design of stapler.

[utility model content]

The utility model is that member that the above-mentioned reference case has is many in order to improve, the big disappearance of opening angle and improveing during the bound book pin, the little laborsaving design of stapler of opening angle when reaching saving member, bookbinding.

Based on above-mentioned purpose, the technological means that the utility model adopted is to provide a kind of labor-saved stapler, comprise: a base group, a loam cake group and are located at the middle groove group between base group and the loam cake group, this base group comprises a metab, this metab second half section has two side plates that up extend, wherein:

Should middle groove group place on two side plates that are hubbed at metab with one first pivot pin, second pivot pin respectively, and this first pivot pin is to be positioned at nearly rear end;

If a loam cake group comprises a metal top cover, an auxiliary loam cake and a trundle, wherein, this metal top cover, comprise a top board and two side plates that extend towards the back lower place by top board two lateral margins, be hubbed on two side plates of metab with one first rotating shaft in the nearly rear end of two side plates, this position that is pivoted is to be higher than first pivot pin and adjacent metal base stage casing, is respectively equipped with an oblique extension and the chute between first rotating shaft and front end on two side plates of metal top cover;

Should assist loam cake, and comprise that one was arranged in front end and the corresponding pressing sheet that inserts in groove group front end, and the auxiliary nearly rear end of loam cake is to be hubbed on first pivot pin, be provided with a transmission pin-and-hole in addition in auxiliary loam cake stage casing;

One trundle is to be placed through two chutes of metal top cover and the transmission pin-and-hole of auxiliary loam cake.

From the above, labor-saved stapler of the present utility model, mainly be to comprise a base group, one can be installed with the middle groove group of staple, an and loam cake group, this loam cake group comprises a metal top cover, an and auxiliary loam cake, the nearly rear end of two sides of this metal top cover is the both sides, stage casing that are hubbed at the base group, and the chute that high back low dip extended before metal top cover two sides were respectively equipped with and are, in two chutes, place a trundle, and described auxiliary loam cake comprises a top board, side plate and one is positioned at the pressing sheet of front end, two side plate rear ends and middle groove group rear end, base group rear end is pivoted mutually, two side plate stage casings place for described trundle and are pivoted, the pressing sheet then is placed through middle groove group front end, desire bound document and when pressing down loam cake group front end, trundle can be along the chute displacement, and then will assist loam cake down to press-fit and order file together with middle groove group, and because between the front end application of force place and articulated section, rear end of trundle position metal top cover, therefore has the effect of amplifying the application of force, groove group in bestowing with this application of force again is to reach the labour-saving effect.

Implement after the above-mentioned technological means, the obtainable concrete benefit of the utility model is:

1. owing to be respectively equipped with an oblique extension and the chute between first rotating shaft and front end on two side plates of metal top cover, place simultaneously and be hubbed at auxiliary loam cake and be placed through trundle in the chute, therefore, when applying pressure to metal top cover front end (point of application) when desiring bound document, this trundle (resistance points) will amplify this application of force and will assist loam cake to suppress together with middle groove group downwards, bind operation with middle groove group front end again, therefore can reach the labour-saving purpose.

2. because the pressing sheet of auxiliary loam cake is that hook is located at faller gill holder front bottom end, and trundle can be along the chute slippage, when raising metal top cover when desiring in middle groove, to load staple, promptly draw back the faller gill holder simultaneously, the opening angle of faller gill holder is (approximately vertical with metab) too greatly, can load staple, add the metal top cover rear end and be positioned at the stage casing of metab approximately, therefore raise after the metal top cover, still keep the barycentre steadiness state, load staple on the desktop with convenient metab is placed.

[description of drawings]

Fig. 1 is a forward sight three-dimensional appearance schematic diagram of the present utility model.

Fig. 2 is a rear perspective schematic appearance of the present utility model.

Fig. 3 is the forward sight three-dimensional appearance schematic diagram that the utility model is released plastic cement loam cake and plastic cement base.

Fig. 4 is a perspective exploded view of the present utility model.

Schematic side view when Fig. 5 is the utility model normality.

Fig. 6 is that the utility model is raised the schematic side view when assisting loam cake to load staple.

Fig. 7 is the schematic side view of the utility model when pressing down bound document.

Fig. 8 is a mechanics sketch of the present utility model.

[specific embodiment]

Below in the middle of the explanation, " front end " is meant stapler in order to this end of bookbinding paper, and " rear end " " dual-side " defined by the basis with " front end ".

See also shown in Fig. 1,2; labor-saved stapler provided by the utility model comprises a groove group 20 and a loam cake group 30 in the base group 10; wherein; base group 10 comprises that further a metab 11 and is located at the plastic cement base 12 of metab 11 bottoms; and loam cake group 30 comprises a plastic cement loam cake 32 and a decorative cover 34; described plastic cement loam cake 32 and plastic cement base 12 all provide the function of beautifying and protecting operator's hand; when loam cake group 30 is down suppressed, but groove group 20 is exercised the bookbinding operation in the interlock.

See also 3,4,5 figure, Fig. 3, the 5th releases plastic cement loam cake 32, the plastic cement base 12 of Fig. 1, finds out its internals with clear.Wherein:

Base group 10 is to comprise described metab 11 and plastic cement base 12, comprise a base spring 13 in addition again, one first pivot pin 14, one second pivot pin 15, this metab 11 is two side plates 110 that comprise a base plate and be located at base plate second half sections two side, these two side plates, 110 nearly rear end and nearly middle section are respectively equipped with groove pivot hole 111 in, one loam cake pivot hole 112, the level height in this loam cake pivot hole 112 is higher than middle groove pivot hole 111, be provided with a middle groove chute 113 between middle groove pivot hole 111 and loam cake pivot hole 112 in two side plates, 110 positon of near bottom again, should in groove chute 113 be to be the curved extension in the center of circle with middle groove pivot hole 111, described first, second pivot pin 14, the 15th, groove pivot hole 111 in being placed through respectively, in the middle groove chute 113, and described base spring 13 is on the base plate that places between two side plates 110, so as to shoring described middle groove group 20.

Should middle groove group 20 comprise:

Groove 21 in one, it is the cell body that comprises a base plate and two side plates, and its front end is provided with header board, place for staple in the groove of groove 21, side plate rear end and base plate bottom surface in middle groove 21 place and are pivoted for described first pivot pin 14, second pivot pin 15 respectively, make its front end can be beat shape up and down, and middle groove 21 bottom surfaces are that the elastic force that is subjected to base spring 13 is shored;

One faller gill holder 24, be to comprise a top board and two side plates, the rear end, bottom of its two side plate is provided with a movable pivot groove 240, to be hubbed on described first pivot pin 14, forming recessed blocking recess 241, two blocking recesses 241 in two side plate front bottom end again is the preceding plate top surfaces that are correspondingly positioned at middle groove 21;

One pushes pin fills in groove spring 23 in 22 and, is to place in the groove of groove 21, and end of groove spring 23 is rear ends that hook is held in faller gill holder 24 top boards in this, and the other end then hook is held in the plug 22 of pushing pin, and normality is bestowed plug 22 power of pushing and pressing forward of pushing pin;

Described loam cake group 30 comprises described plastic cement loam cake 32, decorative cover 34, further comprises in addition:

One metal top cover 31, be to be fixed in plastic cement loam cake 32 bottoms, it comprises a top board and two side plates 311 that extended towards the back lower place by the top board lateral margin, described decorative cover 34 promptly is covered between two side plates 311, these two side plates, 311 nearly rear end are provided with outstanding in opposite directions first rotating shaft 313, to place the loam cake pivot hole 112 that is hubbed at metab 11 (its can also a rotating shaft place be pivoted), on two side plates 311, be respectively equipped with again one be before the chute 312 of the low oblique extension of shape in high back;

One auxiliary loam cake 33 is that the side plate 331 and that comprises a top board, extended towards the back lower place by top board two lateral margins is located at top board front end and outstanding pressing sheet 332 down, these two side plates, 331 nearly rear end are to place for described first pivot pin 14 to be pivoted, be respectively equipped with a transmission pin-and-hole 333 in two side plates, 331 stage casings in addition, and pressing sheet 332 bottoms two sides form outstanding hook portion 3321 on one day respectively outward, are held in the blocking recess 241 of faller gill holder 24 by these hook portion 3321 hooks;

Lid spring 35 on one, are top board bottom surface and faller gill holder 24 end faces that stay on auxiliary loam cake 33;

One trundle 36 is to place the transmission pin-and-hole 333 of auxiliary loam cake 33 and the chute 312 of metal top cover 31.

The utility model stapler by above-mentioned member composition, desire is as shown in Figure 6 metal top cover 31 up to be raised when loading staple, force trundle 36 to slide onto front end along chute 312, and then open and assist loam cake 33, and auxiliary loam cake 33 is when opening, faller gill holder 24 is drawn back simultaneously by pressing sheet 332, with the staple (not shown) of in middle groove 21, packing into, again with metal top cover 31 down deflection cover and get final product.

Again in the time will carrying out the operation of bookbinding paper, be as shown in Figure 7 metal top cover 31 down to be suppressed, see through trundle 36 and drive upward lid spring 35 of auxiliary loam cake 33 compressions, with together with middle groove 21 down by last lid spring 35 ejection faller gill holders 24, groove 21 front ends touch a pin ditch position of metab 11 front ends in treating, make pressing sheet 332 toward pressing down again, the staple in being about in the groove 21 penetrates and binds paper toward pressing down.

Other sees also shown in Figure 8, it is the sketch that the member comparison shown in graphic is drawn according to the utility model, to show the design of this labor-saved stapler, metal top cover 31 front ends (point of application) are to the distance of first rotating shaft 313 (fulcrum), with trundle 36 (resistance points) to the distance proportion of first rotating shaft 313 (fulcrum) be 5: 1, therefore, when the application of force F1 that bestows metal top cover 31 front ends during bookbinding reached trundle 36 via lever principle with power, trundle 36 formed one and is amplified to 5 times application of force F2; Again for auxiliary loam cake 33, its front end (resistance points) is to the distance of first pivot pin 14 (fulcrum), with trundle 36 (point of application) to the distance of first pivot pin 14 (fulcrum) than being 2: 1, therefore trundle 36 produces 5 times application of force F2, the power F3 that is produced when lever principle reaches power auxiliary loam cake 33 front ends (resistance points) will be reduced into 1/2 of original strength, and its formula is as follows:

F1x5＝F2x1

F1/F2＝1/5 F1＝0.2F2

F2x1＝F3x2 F3＝0.5F2

F3/F1＝0.5F2/0.2F2＝2.5

F3＝2.5F1

Therefore, the power of being executed during bookbinding, strength will be amplified to 2.5 times bookbinding power, to reach the labour-saving purpose.

[main element symbol description]

(10) base group (11) metab

(110) side plate (111) middle slot pivot hole

(112) loam cake pivot hole (113) second chutes

(12) plastic base (13) base spring

(14) first pivot pins (15) second pivot pins

(20) middle slot group (21) middle slot

(210) first perforation (211) second perforation

(22) plug (23) the middle slot spring of pushing pin

(24) the movable pivot groove of faller gill holder (240)

(241) blocking recess (30) loam cake group

(31) metal top cover (311) side plate

(312) chute (313) first rotating shafts

(32) the auxiliary loam cake of plastic cement loam cake (33)

(331) side plate (332) pressing sheet

(3321) hook portion (333) transmission pin-and-hole

(34) decorative cover (35) is gone up lid spring

(36) trundle

Claims

1. labor-saved stapler comprises that a base group, a loam cake group and be located at the middle groove group between base group and the loam cake group, and this base group comprises a metab, and this metab second half section has two side plates that up extend, and it is characterized in that:

2. labor-saved stapler as claimed in claim 1 is characterized in that: in described the groove group comprise groove and in be covered in the faller gill holder at groove top, be to be hubbed at first pivot pin behind the faller gill holder, and front bottom end is provided with a blocking recess;

Described pressing sheet bottom is provided with towards two side-prominent hook portions, and two hook portion respective hook are held in the blocking recess root edge of faller gill holder front end,

3. labor-saved stapler as claimed in claim 1 or 2 is characterized in that: described base group comprises that further one is fixed in the plastic cement base of metab bottom.

4. labor-saved stapler as claimed in claim 1 or 2 is characterized in that: described loam cake group comprises that further one is fixed in the plastic cement loam cake at metal top cover top, and a decorative cover of being located between metal top cover two side plates.

5. labor-saved stapler as claimed in claim 3 is characterized in that: described loam cake group comprises that further one is fixed in the plastic cement loam cake at metal top cover top, and a decorative cover of being located between metal top cover two side plates.