CN104908068A - Scissors - Google Patents
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- CN104908068A CN104908068A CN201410093250.4A CN201410093250A CN104908068A CN 104908068 A CN104908068 A CN 104908068A CN 201410093250 A CN201410093250 A CN 201410093250A CN 104908068 A CN104908068 A CN 104908068A
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Abstract
The invention discloses a pair of scissors. The scissors comprise a handle and a scissors head, wherein the handle comprises a first handle and a second handle; the scissors head comprises a first scissors head and a second scissors head; the first scissors head has a first edge, and extends from one end of the first handle; the second scissors head has a second edge, and extends from one end of the second handle; and the first scissors head and the second scissors head are hinged through a pivot structure in a pivoting manner. The scissors are characterized in that the first scissors head and the second scissors head are thinner in the connected place of the scissors head and the pivot structure. The scissors greatly enhance the rigidity of the scissors head, and improve the shearing force of the scissors to conveniently shear off a thicker object so as to satisfy different operation objects.
Description
Technical field
The present invention relates to machine tool technical field, particularly relate to a kind of scissors.
Background technology
In machine tool technical field, scissors is a kind of common hand-operated tools.Operator applies pressure to the first handle of scissors and second handle, thus realizes the relative motion of the first scissors bit and the second scissors bit, and the blade of scissors bit to act on object thus cuts off object.After applying pressure terminates, in order to make the first scissors bit and the second scissors bit separately, operator need apply pulling force to first handle and second handle, make first handle and second handle pull open certain distance.For the ease of operation, those skilled in the art improves this scissors, external spring between first handle and second handle, when making to apply pressure on the one hand, spring can create antagonism the power of pressure, thus it is more even to make the blade of scissors bit put on the power of cutting pressure of object, applies after pressure terminates on the one hand, under the action of the spring, first handle and second handle automatically rebound thus the first scissors bit and the second scissors bit are separated by a distance.
But this scissors, its scissors bit generally adopts plate stamping to make, the part flakiness ratio that the Sheet Metal Forming Technology General Requirements of sheet material rushes is about 1.0, and this ratio is more conducive to processing more greatly, this makes the thickness of the part of scissors bit except blade basically identical, and the flakiness ratio of scissors bit is comparatively large, the top of blade is more blunt, and shape is heavy; This scissors bit needs larger operating space, can not meet the operational requirements of small; And the shearing pressure degree of the blade of scissors bit is limited, be difficult to cut off thicker object.Visible scissors head requires more sharp more handy, and the technique of the contradiction punching press both this is insurmountable, can only process the instructions for use reaching scissors again after first punching press by other techniques to scissors bit.Therefore, in order to increase the shear strength of scissors, the production cost of prior art is higher.Further, because external spring is between first handle and second handle, the space that whole scissors occupies is larger; This external spring is easily damaged, and then affects the service life of scissors; And when cutting laminate body, need to apply larger power to overcome the drag of spring to first handle and second handle.
Therefore, those skilled in the art be devoted to develop a kind of structure compacter, cut the more comfortable scissors of pressure better effects if, operation.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of scissors.
For achieving the above object, the invention provides a kind of scissors, comprise handle, scissors bit, described handle comprises first handle, second handle, described scissors bit comprises the first scissors bit, second scissors bit, described first scissors bit has the first blade, described first scissors bit extends from one end of described first handle, described second scissors bit has the second blade, described second scissors bit extends from one end of described second handle, it is hinged pivotly that described first scissors bit and described second scissors bit pass through a pivot structure, it is characterized in that, described scissors bit and described pivot structure junction, the flakiness ratio of described first scissors bit is no more than 8.0.Wherein, flakiness ratio refers to the width of scissors bit and the ratio of thickness.
Preferably, described scissors bit and described pivot structure junction, the flakiness ratio of described first scissors bit is no more than 6.0.More preferably, described scissors bit and described pivot structure junction, the flakiness ratio of described first scissors bit is no more than 4.0.
Preferably, described scissors bit and described pivot structure junction, the flakiness ratio of described second scissors bit is no more than 8.0.
Preferably, described scissors bit and described pivot structure junction, the flakiness ratio of described second scissors bit is no more than 6.0.More preferably, described scissors bit and described pivot structure junction, the flakiness ratio of described second scissors bit is no more than 4.0.
Preferably, described first scissors bit and described second scissors bit are that forging is made.
Preferably, the thickness of described scissors bit at pivotally connected place is 3-8mm.Preferably, described scissors bit is 4-6mm at the thickness at described pivotally connected place.More preferably, described scissors bit is 5mm at the thickness at described pivotally connected place.
Preferably, described first scissors bit and described first handle are formed in one, and described second scissors bit and described second handle are formed in one.
Preferably, described first blade and/or described second blade has tooth.
Preferably, described scissors has torsion spring, and described torsion spring is between described first scissors bit and described second scissors bit, described torsion spring is set to when putting on described handle without external force, described torsion spring does not produce deformation, and when having external force to put on described handle, described torsion spring produces deformation.
More preferably, described torsion spring has annulus, the first extension, the second extension, described first scissors bit has the first groove, described second scissors bit has the second groove, a part and described first extension of the described annulus of described torsion spring are embedded in described first groove, and another part and described second extension of the described annulus of described torsion spring are embedded in described second groove.
Preferably, described pivot structure comprises screw bolt and nut, has the first hole in described first groove, in described second groove, there is the second hole, described first hole and described second hole correspond to each other, and described scissors has the bolt through described first hole and described second hole, and described bolt is fixed by nut.
More preferably, described pivot structure also has pad, and described pad has through hole, and described bolt is fixed by described nut through the through hole of described first hole, described second hole and described pad; Described pad has Z-Correct bump mapping Z-correct, with the friction between reinforced gasket and nut, improves the fastening effect of nut.
Preferably, described first handle and described second handle are coated with clad.
Preferably, described first scissors bit has the first blade and first outer rim relative with described first blade, has pointed head between described first blade and described first outer rim; Described second scissors bit has the second blade and second outer rim relative with described second blade, has pointed head between described second blade and described second outer rim.
More preferably, the flakiness ratio of the pointed head of described first scissors bit is no more than 0.5.The flakiness ratio of pointed head is the width of pointed head and the ratio of thickness.
More preferably, the flakiness ratio of the pointed head of described second scissors bit is no more than 0.5.Visible, the head of the scissors bit of the scissors in the present invention, compares the head of the scissors bit of existing scissors, under identical rigid requirements, can accomplish that width is narrower, and thickness is larger, is a kind of pointed head.
Preferably, the thickness of the part between described first blade and described first outer rim is greater than the thickness at described first outer rim place, and the thickness of the part between described second blade and described second outer rim is greater than the thickness at described second outer rim place.
More preferably, the part between described first blade of described first scissors bit and described first outer rim has the different face of gradient from inside to outside respectively.Refer to the direction to the outer rim of corresponding scissors bit from blade from inside to outside.Gradient refer to described on scissors bit with the angle of the blade of this scissors bit.
More preferably, the part between described second blade of described second scissors bit and described second outer rim has the different face of gradient from inside to outside respectively.Refer to the direction to the outer rim of corresponding scissors bit from blade from inside to outside.
Further, the mask that the described gradient on described first scissors bit is different has different flakiness ratios.
Further, the mask that the described gradient on described second scissors bit is different has different flakiness ratios.
Further, the part between described first blade of described first scissors bit and described first outer rim has the different first surface of gradient, second, the 3rd and fourth face from inside to outside respectively.
Further, the structure of described second scissors bit is identical with described first scissors bit.
Preferably, described second scissors bit or described second handle has a positioning element, described positioning element has first end and the second end, the described first end of described positioning element is connected pivotly with described second scissors bit or described second handle, when described second end of described positioning element is set to the head alignment when described first scissors bit and described second scissors bit, described second end rotates around described first end and props up described first scissors bit, stops that described first scissors bit rotates.
Technique effect
Scissors provided by the invention, is made up of forging.This makes scissors bit can have pointed head, to stretch into narrow and small operating space; Scissors bit has less flakiness ratio, greatly increases the rigidity of scissors bit, enhances the shearing pressure degree of scissors, is convenient to cut off thicker object; Part between the blade and outer rim thereof of scissors bit thickeies, and strengthens the endurance degree of scissors bit further.
Scissors provided by the invention, has built-in torsion spring, and this setup makes torsion spring not fragile, whole scissors plastic simplicity, compact conformation; When cutting laminate body, apply the drag that suitable power just can overcome spring, use comfortable to first handle and second handle, stop after handle force, torsion spring recovers shape, thus makes the first scissors bit and the second scissors bit separately, is convenient to subsequent operation.
Scissors provided by the invention is provided with positioning element further, when not using scissors, the first scissors bit and the second scissors bit being closed up, being easy to carry.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of the scissors of a preferred embodiment of the present invention.
Fig. 2 is the upward view of scissors in Fig. 1.
Fig. 3 is the first scissors bit of the scissors of a preferred embodiment of the present invention and the structural representation of first handle.
Fig. 4 is the second scissors bit of the scissors of a preferred embodiment of the present invention and the structural representation of second handle.
Fig. 5 is the structural representation of torsion spring in the scissors of a preferred embodiment of the present invention.
Fig. 6 is the structural representation of the scissors of a preferred embodiment of the present invention.
Detailed description of the invention
Fig. 1 and Fig. 2 is the structural representation of the scissors of a preferred embodiment of the present invention.In the present embodiment, scissors comprises handle 1, scissors bit 2, and handle 1 comprises first handle 11, second handle 12, and scissors bit comprises the first scissors bit 21, second scissors bit 22, first scissors bit 21 has the first blade 31, first scissors bit 21 and extends from one end of first handle 11; Second scissors bit 22 has the second blade 32, second scissors bit 22 and extends from one end of second handle 12; It is hinged pivotly that first scissors bit 21 and the second scissors bit 22 pass through a pivot structure 4, and scissors bit 2 and described pivot structure 4 junction, the flakiness ratio of the first scissors bit 21 is no more than 8.0.Wherein, flakiness ratio refers to the width w of scissors bit and the ratio of thickness.Preferably, scissors bit 2 and described pivot structure 4 junction, the flakiness ratio of the first scissors bit 21 is less than and is no more than 6.0; More preferably, scissors bit 2 and described pivot structure 4 junction, the flakiness ratio of the first scissors bit 21 is less than and is no more than 4.0.
In scissors bit 2 and described pivot structure 4 junction, the flakiness ratio of the second scissors bit 22 is no more than 8.0.Preferably, scissors bit 2 and described pivot structure 4 junction, the flakiness ratio of the second scissors bit 22 is less than and is no more than 6.0; More preferably, scissors bit 2 and described pivot structure 4 junction, the flakiness ratio of the second scissors bit 22 is less than and is no more than 4.0.
Each scissors bit has blade and the outer rim relative with described blade.
In the present embodiment, the first scissors bit 21 and the second scissors bit 22 are made for forging.Preferably, the first scissors bit 21 and the thickness of the second scissors bit 22 at pivotally connected place are 3-8mm.More preferably, the first scissors bit 21 and the thickness of the second scissors bit 22 at pivotally connected place are 4-6mm.Most preferably, the first scissors bit 21 and the thickness of the second scissors bit 22 at pivotally connected place are 5mm.
Pivot structure 4 comprises bolt 41 and nut 42.
In the present embodiment, scissors bit has less flakiness ratio, and this increases the rigidity of scissors bit greatly, enhances the shearing pressure degree of scissors, is convenient to cut off thicker object.Adopt FMT, except the thickness of scissors bit can be increased, reduce the flakiness ratio of scissors bit, strengthen outside the rigidity of scissors bit, also be convenient to, under the prerequisite of the rigidity ensureing scissors bit, scissors bit mark logo, deepen user to the impression of the information such as product brand.This is not available for the scissors bit made of traditional pressing sheet material.
Pivot structure 4 also has pad 43, and described pad 43 has through hole, and described bolt 41 is fixed by described nut 42 through the through hole of the first scissors bit 21, second scissors bit 22 and pad 43; Described pad 43 has Z-Correct bump mapping Z-correct, with the friction between reinforced gasket 43 and nut 42, improves the fastening effect of pivot structure.Further, pivot structure 4 can have two pads, two pads all have through hole, and the through hole that described bolt 41 is each passed through the through hole of the first pad, the first scissors bit 21, second scissors bit 22 and the second pad is fixed by described nut 42, strengthens the fastening effect of pivot structure further.
First scissors bit 21 has the first blade 31 and has pointed head 61 between the first outer rim 51, first blade 31 relative with the first blade and the first outer rim 51; Second scissors bit 22 has the second blade 32 and has pointed head 62 between the second outer rim 52, second blade 32 relative with the second blade and the second outer rim 52.
The flakiness ratio of the pointed head 61 of the first scissors bit 21 is no more than 0.5; The flakiness ratio of the pointed head 62 of the second scissors bit 22 is no more than 0.5.
The pointed head of scissors bit, can stretch into narrow and small operating space, adapts to different operational requirements; Meanwhile, the head of the scissors bit that traditional pressing sheet material is made is compared, in the present embodiment, the pointed head of scissors bit has less flakiness ratio, greatly increases the rigidity of scissors bit head, enhances the shearing pressure degree of scissors head, be convenient to cut off thicker object, meet the requirement of various operand.
In a preferred embodiment of the invention, the thickness of the part between the first blade 31 and the first outer rim 51 is greater than the thickness at described first outer rim place, and the thickness of the part between the second blade 32 and the second outer rim 52 is greater than the thickness at the second outer rim place.Be different from the scissors that traditional pressing sheet material is made, part in the present embodiment between the blade of scissors bit and outer rim thereof thickeies, greatly increase the rigidity of scissors bit, the endurance degree of further reinforcement scissors bit, enhance the shearing pressure degree of scissors, be convenient to cut off thicker object, be applicable to different cut pressure demand.
Reinforcement between the blade of scissors bit and outer rim thereof can form in different by gradient, that flakiness ratio is different face.Part between first blade 31 of the first scissors bit and the first outer rim 51 has the different face of gradient from inside to outside respectively, and similarly, the part between the second blade 32 of the second scissors bit and the second outer rim 52 has the different face of gradient from inside to outside respectively.Refer to the direction to the outer rim of corresponding scissors bit from blade from inside to outside.Gradient refers to the angle of face on scissors bit and its blade.
Scissors bit in the present embodiment, flakiness ratio, face that gradient is different is provided with between its blade and outer rim, more reasonably devise the rigid nature of scissors different piece, optimize mechanical property during scissors bit force, adopt the scissors of this design, even if compact structure, also thicker metal, branch etc. can be cut short.
Fig. 6 shows the scissors of a preferred embodiment of the present invention.Part between first blade 31 of the first scissors bit and the first outer rim 51 has the different first surface of gradient 71, second face 72, the 3rd face 73 and fourth face 74 from inside to outside respectively.The flakiness ratio of first surface is no more than 3.5, and the flakiness ratio of second is no more than 3.2, and the flakiness ratio of the 3rd is no more than 3, and the flakiness ratio of fourth face is no more than 2.5.The gradient of first surface is 30 degree, and the gradient of second is 10 degree, and the gradient of the 3rd is 3 degree, and the gradient of fourth face is 35 degree.
The structure of the second scissors bit is identical with the first scissors bit.
Scissors bit in the present embodiment, flakiness ratio, face that gradient is different is provided with between its blade and outer rim, more reasonably devise the rigid nature of scissors different piece, optimize mechanical property during scissors bit force, adopt the scissors of this design, even if compact structure, also thicker metal, branch etc. can be cut short.
Fig. 3 ~ Fig. 5 shows the structural representation of torsion spring and mating part thereof in the scissors of a preferred embodiment of the present invention.In the present embodiment, scissors has torsion spring 8, and torsion spring 8 is between the first scissors bit 21 and the second scissors bit 22, and torsion spring 8 is set to when putting on handle without external force, and torsion spring 8 does not produce deformation, and when having external force to put on handle, torsion spring 8 produces deformation
In the present embodiment, torsion spring 8 has annulus 80, first extension 81, second extension 82, first scissors bit has the first groove 110, second scissors bit has the second groove 120, a part and first extension 81 of the annulus 80 of torsion spring are embedded in the first groove 110, and annulus 80 another part and second extension 82 of torsion spring are embedded in the second groove 120.
The scissors that the present embodiment provides, has built-in torsion spring, and this setup makes torsion spring not fragile, whole scissors plastic simplicity, compact conformation; When cutting laminate body, apply the drag that suitable power just can overcome spring, use comfortable to first handle and second handle, stop after handle force, torsion spring recovers shape, thus makes the first scissors bit and the second scissors bit separately, is convenient to subsequent operation.
In a preferred embodiment of the present invention, second scissors bit 22 or second handle 12 has a positioning element 9, positioning element 9 has first end 91 and the second end 92, first end 91 is connected pivotly with the second scissors bit 22 or described second handle 12, when second end 92 is set to the head alignment when the first scissors bit 21 and the second scissors bit 22, second end 92 rotates around first end 91 and props up the first scissors bit 21, stops that the first scissors bit 21 rotates.Positioning element 9, when not using scissors, is convenient to place scissors and prevent from scratching.Fig. 6 shows the scissors with positioning element, and the first end 91 of location structure is connected by pivot 10 pivotly with the second scissors bit 22.The handle of the scissors shown in Fig. 6 is also coated with coating layer, and increases the comfort level used.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that the ordinary skill of this area just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a scissors, comprise handle, scissors bit, described handle comprises first handle, second handle, described scissors bit comprises the first scissors bit, second scissors bit, described first scissors bit has the first blade, described first scissors bit extends from one end of described first handle, described second scissors bit has the second blade, described second scissors bit extends from one end of described second handle, it is hinged pivotly that described first scissors bit and described second scissors bit pass through a pivot structure, it is characterized in that, described scissors bit and described pivot structure junction, the flakiness ratio of described first scissors bit is no more than 8.0.
2. scissors as claimed in claim 1, it is characterized in that, described scissors bit and described pivot structure junction, the flakiness ratio of described first scissors bit is no more than 6.0.
3. scissors as claimed in claim 2, it is characterized in that, described scissors bit and described pivot structure junction, the flakiness ratio of described first scissors bit is no more than 4.0.
4. scissors as claimed in claim 1, it is characterized in that, described first scissors bit and described first handle are formed in one, and described second scissors bit and described second handle are formed in one.
5. scissors as claimed in claim 1, is characterized in that described first blade and/or described second blade have tooth.
6. scissors as claimed in claim 1, it is characterized in that, described scissors has torsion spring, described torsion spring is between described first scissors bit and described second scissors bit, described torsion spring is set to when putting on described handle without external force, described torsion spring does not produce deformation, and when having external force to put on described handle, described torsion spring produces deformation.
7. scissors as claimed in claim 1, it is characterized in that, described first handle and described second handle are coated with clad.
8. scissors as claimed in claim 1, it is characterized in that, described first scissors bit has the first blade and first outer rim relative with described first blade, has pointed head between described first blade and described first outer rim; Described second scissors bit has the second blade and second outer rim relative with described second blade, has pointed head between described second blade and described second outer rim.
9. scissors as claimed in claim 1, it is characterized in that, described first scissors bit has the first blade and first outer rim relative with described first blade, the thickness of the part between described first blade and described first outer rim is greater than the thickness at described first outer rim place, described second scissors bit has the second blade and second outer rim relative with described second blade, and the thickness of the part between described second blade and described second outer rim is greater than the thickness at described second outer rim place.
10. scissors as claimed in claim 1, it is characterized in that, described second scissors bit or described second handle has a positioning element, described positioning element has first end and the second end, the described first end of described positioning element is connected pivotly with described second scissors bit or described second handle, when described second end of described positioning element is set to the head alignment when described first scissors bit and described second scissors bit, described second end rotates around described first end and props up described first scissors bit, stops that described first scissors bit rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410093250.4A CN104908068B (en) | 2014-03-13 | 2014-03-13 | Scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410093250.4A CN104908068B (en) | 2014-03-13 | 2014-03-13 | Scissors |
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| Publication Number | Publication Date |
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| CN104908068A true CN104908068A (en) | 2015-09-16 |
| CN104908068B CN104908068B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410093250.4A Active CN104908068B (en) | 2014-03-13 | 2014-03-13 | Scissors |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898465A (en) * | 2017-12-19 | 2018-04-13 | 海南瑞韩医学美容医院管理有限公司海口龙华京华城红妆医学美容门诊部 | A kind of eyelid measuring appliance |
| CN109302905A (en) * | 2018-10-31 | 2019-02-05 | 吉林大学 | A kind of bionical garden shears |
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| CN2328485Y (en) * | 1998-04-21 | 1999-07-14 | 宁波北仑海伯精密机械制造有限公司 | Built-in spring expanding mechanism |
| CN201231493Y (en) * | 2008-06-18 | 2009-05-06 | 杭州巨星科技股份有限公司 | Multifunction scissors |
| JP2010264229A (en) * | 2009-04-17 | 2010-11-25 | Kokuyo Co Ltd | Scissors |
| CN203875907U (en) * | 2014-03-13 | 2014-10-15 | 杭州巨星工具有限公司 | Scissors |
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- 2014-03-13 CN CN201410093250.4A patent/CN104908068B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2328485Y (en) * | 1998-04-21 | 1999-07-14 | 宁波北仑海伯精密机械制造有限公司 | Built-in spring expanding mechanism |
| CN201231493Y (en) * | 2008-06-18 | 2009-05-06 | 杭州巨星科技股份有限公司 | Multifunction scissors |
| JP2010264229A (en) * | 2009-04-17 | 2010-11-25 | Kokuyo Co Ltd | Scissors |
| CN203875907U (en) * | 2014-03-13 | 2014-10-15 | 杭州巨星工具有限公司 | Scissors |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898465A (en) * | 2017-12-19 | 2018-04-13 | 海南瑞韩医学美容医院管理有限公司海口龙华京华城红妆医学美容门诊部 | A kind of eyelid measuring appliance |
| CN107898465B (en) * | 2017-12-19 | 2023-06-27 | 海南红瑞集团有限公司 | Eyelid measurer |
| CN109302905A (en) * | 2018-10-31 | 2019-02-05 | 吉林大学 | A kind of bionical garden shears |
| CN109302905B (en) * | 2018-10-31 | 2023-08-29 | 吉林大学 | Bionic gardening scissors |
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| CN104908068B (en) | 2020-11-06 |
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