CN101927477B - Labor-saving stapler - Google Patents
Labor-saving stapler Download PDFInfo
- Publication number
- CN101927477B CN101927477B CN2009101507116A CN200910150711A CN101927477B CN 101927477 B CN101927477 B CN 101927477B CN 2009101507116 A CN2009101507116 A CN 2009101507116A CN 200910150711 A CN200910150711 A CN 200910150711A CN 101927477 B CN101927477 B CN 101927477B
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- Prior art keywords
- gripping member
- labor
- casting die
- saved stapler
- pivot hole
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Abstract
The invention provides a labor-saving stapler comprising two holding pieces, a press piece and a needle box, wherein a press-against part is arranged between two ends of the first holding piece; the second holding piece extends downwards to form a support arm the front end of which is pivoted with the first holding piece to form a pivot point; a butting face is arranged between the two ends of the press piece; a butting point is formed by the way that the butting face butts against the press-against part; one end of the needle box is a needle discharging part, the press piece pushes the needle box upwards by means of pressing the press piece by the first holding piece so as to complete the action of striking; when the needles are colletected, the pivot point, the butting point and the press piece can form a straight line with the pivot part of the needle box, so that no component force generates and force is nearly applied to bookbinding power, thereby achieving the purpose of labor saving.
Description
Technical field
The present invention relates to a kind of stapler, refer in particular to a kind of labour-saving linkage, and when maximum drag, the labor-saved stapler that can not have component to produce is to satisfy the requirement of user labour-saving.
Background technology
Stapler has become indispensable stationery in industrial and commercial society, and the arrangement of the bookbinding of file, data all must be used stapler such as.(scissors) of traditional type are though stapler has the labour-saving design slightly; But because of being confined to fulcrum greatly about the centre position of two grip parts of stapler; Drag arm/force arm laborsaving fewer, the operation of this stapler still need effort, can accomplish the operation of bookbinding.
Because the stapler frequency of utilization is extensive, a stapler with laborsaving effect has become user's first-selection.The desktop stapler development that has laborsaving effect at present reaches its maturity; Yet; General laborsaving design meeting is adjusted on force arm and drag arm, by means of the shorter labour-saving effect that reaches of the long more drag arm of force arm, the scissors stapler because of need with being hold by one hand; So the apparent size restriction is arranged, therefore rarely has laborsaving design scissors stapler on the market.
With the firing pin process of stapler, the beginning of stapler firing pin stroke to firing pin portion touches paper, and the staple stitch that ends up being of firing pin stroke penetrates paper and accomplishes narrowing, and with binding papers together.In the firing pin process, the staple stitch penetrates paper fully, when the contact of staple stitch is the stage of requiring great effort most to the stage of accomplishing narrowing in narrowing portion.
During its connecting rod start of scissors stapler at present, all can have component to produce, and can't really power be transmitted fully, when power has consumed in transmittance process and can't hundred-percent work done, will have a greatly reduced quality in its labor-saving effect.
Therefore the inventor endeavours to develop a kind of labor-saved stapler, hopes the disappearance that can improve prior art.
Summary of the invention
Deficiency to prior art the objective of the invention is to: a kind of labor-saved stapler is provided, solves the problem that existing in prior technology can't be transmitted power really fully.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is:
A kind of labor-saved stapler is characterized in that, includes:
One first gripping member, one of which end are a holding end, are provided with a pressure section between the described first gripping member two ends;
One second gripping member, its two ends are respectively a holding end and a firing pin portion, and described second gripping member is extended with a support arm downwards, and the front end of described support arm articulates described first gripping member and forms a fulcrum in contrast to an end of holding end;
One casting die; The one of which end is a narrowing portion; Described casting die is provided with a support plane between the two ends, and described support plane supports described pressure section and forms a support point, and described support plane and described narrowing portion are positioned at different surface respectively; Described support plane is skewed, and described support plane is by the inclination that is directed downwards towards described narrowing portion of the bottom surface of described casting die;
One pin casket; It is between described second gripping member and described casting die; Described pin casket one end is a needle section, and described needle section is to should firing pin portion and described narrowing portion, and described pin casket articulates the holding end of described second gripping member in contrast to an end of described needle section.
Compared with prior art, the beneficial effect that has of the present invention is:
1. the present invention relies on structural change and a kind of labor-saved stapler is provided.
2. the present invention relies on when labor-saved stapler needs peak power, i.e. when paper is developed in stitch narrowing, a kind of design that does not have component is provided, and reaches certain labour-saving purpose.
3. when the present invention relied on firing pin, fulcrum, support point and casting die and pin casket articulated section formed a straight line, let the component be 0, reached best application of force effect.
Description of drawings
Fig. 1 is the stereo appearance figure of labor-saved stapler of the present invention;
Fig. 2 is the three-dimensional exploded view of labor-saved stapler of the present invention;
Fig. 3 is a labor-saved stapler of the present invention along the front view that Fig. 1 got;
Fig. 4 is the cutaway view that labor-saved stapler of the present invention is got along the 4-4 hatching of Fig. 1;
Fig. 5 is the sketch map that the present invention grips labor-saved stapler;
Fig. 6 is the sketch map of labor-saved stapler sheets of the present invention;
The sketch map of staple contact narrowing portion when Fig. 7 is a labor-saved stapler firing pin of the present invention.
Description of reference numerals: 10 first gripping members; 11 holding ends; 12 pivot holes; 13 pressure sections; 20 second gripping members; 21 holding ends; 211 hole clippings; 212 pivot portions; 22 firing pin portions; 23 support arms; 231 pivot holes; 232 retaining portions; 24 articulated parts; 30 casting dies; 31 pivot holes; 32 narrowing portions; 33 first shell fragments; 34 support piece; 341 support planes; 40 pin caskets; 41 pull bars; 411 block ends; 412 ends of pushing pin; 42 second shell fragments; 43 needle sections; 44 first pivot holes; 45 second pivot holes; 46 articulated parts; The A fulcrum; The B support point; The F application of force; The P active force; FB power; FX power; FY power; First section force arm of F1; Second section force arm of F2; First section drag arm of P1; Second section drag arm of P2.
The specific embodiment
The technology that relevant the present invention adopted, means and effect thereof, lift a preferred embodiment now and cooperate graphic detailed description as after, this only supplies the usefulness of explanation, in patent application, does not receive the restriction of this kind structure.
With reference to Fig. 1 and Fig. 2, be the stereo appearance figure and the three-dimensional exploded view of labor-saved stapler of the present invention.Labor-saved stapler of the present invention is a kind of stapler of scissors start, and it includes one first gripping member 10, one second gripping member 20, a casting die 30 and a pin casket 40 and forms a kind of labour-saving linkage.
The two ends of described first gripping member 10 are respectively a holding end 11 and a pivot hole 12, are provided with a pressure section 13 between described holding end 11 and the described pivot hole 12, and described pressure section 13 is the arcuation of projection, and its projection is in the bottom of described first gripping member 10.
The two ends of described second gripping member 20 are respectively a holding end 21 and a firing pin portion 22, and described holding end 21 is provided with a hole clipping 211 and a pivot portion 212.Described second gripping member 20 is extended with a support arm 23 downwards; The front end of described support arm 23 is provided with a pivot hole 231; Both are positioned at the different horizontal position described pivot hole 231 and described firing pin portion 22; And described pivot hole 231 is positioned at described second gripping member 20 foremost, and described pivot hole 231 is provided with an articulated part 24, and described pivot hole 231 relies on described articulated part 24 to articulate with the pivot hole 12 of described first gripping member 10.Described support arm 23 bottoms more are provided with two retaining portions 232, and described two retaining portions 232 retainings make described first gripping member 10 be limited in described second gripping member 20 below described first gripping member 10.
The two ends of described casting die 30 are respectively a pivot hole 31 and a narrowing portion 32, and the firing pin portion 22 that 32 pairs in described narrowing portion should second gripping member 20 makes staple rely on described firing pin portion 22 to hit to described narrowing portion 32.Between the pivot hole 31 of described casting die 30 and the described narrowing portion 32 more riveting be provided with one first shell fragment 33 and and support piece 34; The described piece 34 that supports is provided with a support plane 341; Described first shell fragment 33 supports the different surfaces that piece 34 lays respectively at described casting die 30 with described; Described first shell fragment 33 and described narrowing portion 32 are positioned at the same surface of described casting die 30; Describedly support the different surfaces that piece 34 and described narrowing portion 32 are positioned at described casting die 30, described support plane 341 is skewed, by the inclination that is directed downwards towards described narrowing portion 32 of the bottom surface of described casting die 30.341 pairs of described support planes should first gripping member 10 pressure section 13, described support plane 341 supports described pressure section 13 and forms a support point B (asking for an interview Fig. 6).
Be provided with a pull bar 41 in the described pin casket 40; Described pull bar 41 can be with the staple advances in the pin casket 40; Described pull bar 41 two ends are respectively a block end 411 and an end 412 of pushing pin, and described block end 411 fixes the hole clipping 211 of described second gripping member 20.Described pin casket 40 end faces are provided with one second shell fragment 42; Described second shell fragment 42 is shored the bottom surface at described second gripping member 20; Described pin casket 40 1 ends are needle section 43, and 43 pairs of described needle sections should narrowing portion 32 and described firing pin portion 22, and described pin casket 40 is provided with one first pivot hole 44 and one second pivot hole 45 in contrast to an end of described needle section 43; Described first, second pivot hole 44,45 is positioned at same lengthwise position and different horizontal position; Contiguous described second gripping members 20 in the described first pivot hole 44,44 pairs in the described first pivot hole should pivot portions 212, make described pivot portion 212 articulate the described first pivot hole 44.The described second pivot hole 45 contiguous described casting dies 30, the described second pivot hole 45 is provided with an articulated part 46, and the described second pivot hole 45 relies on described articulated part 46 to articulate with the pivot hole 31 of described casting die 30.
With reference to Fig. 3 and Fig. 4, be the sketch map of labor-saved stapler of the present invention.The pivot hole 12 of described first gripping member 10 articulates with the pivot hole of described second gripping member, 20 support arms 23 231; The first pivot hole 44 of described pin casket 40 articulates the pivot portion 212 of described second gripping member, 20 holding ends 21; The second pivot hole 45 of described pin casket 40 articulates with the pivot hole 31 of described casting die 30, the hole clipping 211 (asking for an interview Fig. 2) that the block end 411 of described pin casket 40 pull bars 41 fixes at described second gripping member 20.The pressure section 13 of described first gripping member 10 compresses the support plane 341 that described casting die 30 supports piece 34; The bottom surface that described first shell fragment, 33 elasticity are shored described pin casket 40, the bottom surface that second shell fragment, 42 elasticity of described pin casket 40 are shored described second gripping member 20.
With reference to Fig. 5 and Fig. 6, be the sketch map of labor-saved stapler sheets of the present invention.The labor-saved stapler of scissors start of the present invention is gripping two gripping members 10,20 during operation, rely on first gripping member 10 to press described casting die 30, pushes away described pin casket 40 on the described casting die 30, and accomplishes the firing pin action.When Fig. 6 represented that labor-saved stapler uses, staples hit in firing pin portion 22, and the staple stitch penetrates paper, and the staple stitch do not touch narrowing portion 32 as yet, and the expression of the power of labor-saved stapler of the present invention is as follows:
Described first gripping member 10 forms a fulcrum A with support arm 23 pivot points of described second gripping member 20; And described fulcrum A is positioned at the front end of described labor-saved stapler; The support plane 341 of described casting die 30 forms a support point B with pressure section 13 contact positions of described first gripping member 10, and described support point B is between described labor-saved stapler two ends.
The described fulcrum A extremely distance between described first gripping member, 10 holding ends 11 is described first section force arm F1; The described fulcrum A extremely distance between the described support point B is first section drag arm P1; Described support point B is second section force arm F2 to the distance between described casting die 30 and described pin casket 40 articulated sections, and described firing pin portion 22 to the distance between described casting die 30 and described pin casket 40 articulated sections is second section drag arm P2.When the holding end 11 of application of force F at described first gripping member 10, described support point B can produce power FB.
At this moment; Between first section drag arm P1 and the described second section force arm F2 is not to be a straight line, thus power FB can to produce two component at support point B be power FX and power FY, power FY is just vertical with second section force arm F2; Form an angle θ between power FY and the power FB, described angle θ is an acute angle.Can learn FY=COS θ * FB by trigonometric function; Because angle θ is an acute angle,, bring aforesaid expression formula once more into so the value of COS θ is less than 1; Can learn that then power FY must be less than power FB, this moment, power FB can't hundred-percent transmission be power FY because consume to some extent.
With reference to Fig. 7, the sketch map of staple stitch contact narrowing portion during for labor-saved stapler firing pin of the present invention.The operator further lets firing pin portion 22 hit staples by means of gripping two gripping members 10,20; When the staple stitch penetrates paper fully, the staple stitch contacts described narrowing portion 32, and the narrowing of staple stitch is when developing paper; Be the bookbinding drag of labor-saved stapler when maximum; At this moment, if can let application of force F not have the active force P that consumes and be passed to firing pin portion 22 fully, so just can reach the labour-saving and require.
Staples hit in firing pin of the present invention portion 22; When the staple stitch penetrates paper fully; And when the staple stitch contacted described narrowing portion 32, first section drag arm P1 and second section force arm F2 were a straight line, and described power FY is vertical with described second section force arm F2; Described power FB equals described power FY, and described power FB does not have component to produce.Therefore power FB can absolutely be passed to power FY.In other words, described fulcrum A, described support point B and described casting die 30 can form a straight line with described pin casket 40 articulated sections during narrowing, promptly do not have component to produce, and make the application of force almost act in the work done of bookbinding, and reach the labour-saving purpose.
Be when paper is developed in staple stitch narrowing,, to be P/F=(F1 * F2)/(P1 * P2) among the present invention so the power in transmittance process not have the problem that consumes, its province's force rate because there is not this moment component to produce in the position that needs peak power.The ratio of coat-tail effect power P and application of force F can be learnt its labour-saving multiple.
Can summarize the present invention with regard to the above and have following advantage:
1. labor-saved stapler of the present invention can when paper is developed in i.e. staple stitch narrowing, provide a kind of design that does not have component when the needs peak power, reach certain labour-saving purpose.
2. labor-saved stapler of the present invention, when relying on firing pin, described fulcrum, described support point and described casting die and described pin casket articulated section form a straight line, let the component be 0, reach best application of force effect.
The above person only; Be merely preferred embodiment of the present invention, when can not with the scope implemented of qualification the present invention, so the displacement of the change of numerical value or equivalent elements such as; Or, all should still belong to the category that patent of the present invention contains according to equalization variation and modification that claim of the present invention is done.
Claims (8)
1. a labor-saved stapler is characterized in that, includes:
One first gripping member, one of which end are a holding end, are provided with a pressure section between the described first gripping member two ends;
One second gripping member, its two ends are respectively a holding end and a firing pin portion, and described second gripping member is extended with a support arm downwards, and the front end of described support arm articulates described first gripping member and forms a fulcrum in contrast to an end of holding end;
One casting die; The one of which end is a narrowing portion; Described casting die is provided with a support plane between the two ends, and described support plane supports described pressure section and forms a support point, and described support plane and described narrowing portion are positioned at different surface respectively; Described support plane is skewed, and described support plane is by the inclination that is directed downwards towards described narrowing portion of the bottom surface of described casting die;
One pin casket; It is between described second gripping member and described casting die; Described pin casket one end is a needle section, and described needle section is to should firing pin portion and described narrowing portion, and described pin casket articulates the holding end of described second gripping member in contrast to an end of described needle section.
2. labor-saved stapler according to claim 1 is characterized in that: described fulcrum, described support point and described casting die and described pin casket articulated section can form a straight line.
3. labor-saved stapler according to claim 1; It is characterized in that: described support arm and the described first gripping member articulated section and described firing pin portion are positioned at the different horizontal position, and described support arm and the described first gripping member articulated section are positioned at described first gripping member foremost.
4. labor-saved stapler according to claim 1 is characterized in that: described support arm bottom more is provided with two retaining portions, and described two retaining portions retaining makes described first gripping member be limited in described second gripping member below described first gripping member.
5. labor-saved stapler according to claim 1 is characterized in that: be provided with a pull bar in the described pin casket, described pull bar one end is a block end, and described block end fixes the holding end of described second gripping member.
6. labor-saved stapler according to claim 5 is characterized in that: the holding end of described second gripping member is provided with a hole clipping, and described block end fixes in described hole clipping.
7. labor-saved stapler according to claim 1; It is characterized in that: described pin casket is provided with one first pivot hole and one second pivot hole in contrast to an end of described needle section; Described first, second pivot hole is positioned at same lengthwise position and different horizontal position; The described first pivot hole articulates described second gripping member, and the described second pivot hole articulates described casting die.
8. labor-saved stapler according to claim 1 is characterized in that: be provided with one between the described casting die two ends and support piece, described support plane is positioned at the described piece that supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101507116A CN101927477B (en) | 2009-06-24 | 2009-06-24 | Labor-saving stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101507116A CN101927477B (en) | 2009-06-24 | 2009-06-24 | Labor-saving stapler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101927477A CN101927477A (en) | 2010-12-29 |
| CN101927477B true CN101927477B (en) | 2012-02-29 |
Family
ID=43367043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101507116A Expired - Fee Related CN101927477B (en) | 2009-06-24 | 2009-06-24 | Labor-saving stapler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101927477B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4984729A (en) * | 1988-04-22 | 1991-01-15 | Giorgio Balma | Easy access metal staple stapler |
| US5356063A (en) * | 1990-12-05 | 1994-10-18 | Erwin Muller GmbH Co. | Hand-operated stapler |
| CN1633349A (en) * | 2002-03-29 | 2005-06-29 | 美克司公司 | Stapler |
| CN201026726Y (en) * | 2007-04-04 | 2008-02-27 | 浙江三木实业有限公司 | Labor-saving stapler |
-
2009
- 2009-06-24 CN CN2009101507116A patent/CN101927477B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4984729A (en) * | 1988-04-22 | 1991-01-15 | Giorgio Balma | Easy access metal staple stapler |
| US5356063A (en) * | 1990-12-05 | 1994-10-18 | Erwin Muller GmbH Co. | Hand-operated stapler |
| CN1633349A (en) * | 2002-03-29 | 2005-06-29 | 美克司公司 | Stapler |
| CN201026726Y (en) * | 2007-04-04 | 2008-02-27 | 浙江三木实业有限公司 | Labor-saving stapler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101927477A (en) | 2010-12-29 |
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Granted publication date: 20120229 Termination date: 20160624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |