CN213674225U - Bending blade and yarn scissors with same - Google Patents
Bending blade and yarn scissors with same Download PDFInfo
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- CN213674225U CN213674225U CN202022573491.2U CN202022573491U CN213674225U CN 213674225 U CN213674225 U CN 213674225U CN 202022573491 U CN202022573491 U CN 202022573491U CN 213674225 U CN213674225 U CN 213674225U
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Abstract
The utility model relates to a blade of buckling and have yarn scissors of this blade. Including the blade body that is used for with handle installation fixed connection, connect by blade body one side edge and relative blade body place plane kink setting and set up the blade on the outside edge line of blade body is kept away from to the kink, the thickness L of blade body and kink is: 0.5-0.9 mm. The bending blade of the utility model is provided with the bending part which can increase the bending strength of the blade, so that the thickness of the blade can be thinner, and the requirement of equal shearing strength can be met; the bending blade in the blade manufacturing method does not need to grind the outer opening surface, the bending part can be directly bent by adopting a bending process, and the blade manufacturing method has the advantages of high efficiency, high dimensional precision, good surface quality, low energy consumption and the like.
Description
Technical Field
The utility model relates to a scissors field is a blade of buckling and has yarn scissors of this blade very much.
Background
Yarn scissors are tools for cutting yarns and are widely applied to the field of clothes. The blade of the existing yarn scissors mostly adopts the structure shown in figures 1-3, a large amount of external opening surfaces need to be ground in the production process of the blade, and the thickness of the blade needs to reach 1.2mm, so that the use requirement of the shear strength of the blade can be met. And the existing blade needs to grind the inner opening surface after heat treatment to remove the oxide layer on the surface and provide quality, however, the inner opening surface of the existing blade is flat, and the ground area is the whole inner opening surface, so that the efficiency of the whole grinding process is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the bending blade is provided with the bending part, so that the bending strength of the blade can be increased, the thickness of the blade can be thinner, and the requirement on the same shearing strength can be met; the bending blade in the blade manufacturing method does not need to grind the outer opening surface, the bending part can be directly bent by adopting a bending process, and the blade manufacturing method has the advantages of high efficiency, high dimensional precision, good surface quality, low energy consumption and the like.
The utility model discloses a following technical scheme realizes:
the first scheme is as follows:
a bending blade is characterized in that: including the blade body that is used for with handle installation fixed connection, connect by blade body one side edge and relative blade body place plane kink setting and set up the blade on the outside edge line of blade body is kept away from to the kink, the thickness L of blade body and kink is: 0.5-0.9 mm.
Preferably, the thickness L of the blade body and the bent portion is: 0.7 mm.
Preferably, an included angle α between the inner opening surface of the bent portion and the plane where the blade body is located is: 150 to 170 degrees. The inner opening surface is a joint surface when the two bending blades are mutually matched and cut.
Preferably, an included angle α between the inner opening surface of the bent portion and the plane where the blade body is located is: 160 deg.
Preferably, the bending blade is formed by bending a parallelogram-shaped sheet material, and the bent portion is bent along a line parallel to one edge of the sheet material.
Preferably, adjacent two adjacent sides of the parallelogram-shaped sheet material have different lengths, and the bent portion is bent along a straight line parallel to the longer side of the sheet material.
Preferably, the bending mark at the intersection of the bending part and the blade body is located at a position which is one third higher than the sheet material, and the sheet material height of the folding mark is a vertical distance between two longer sides of the parallelogram sheet material.
Preferably, the included angle β between the two inclined planes of the cutting edge is: 40-60 degrees.
Preferably, the included angle β between the two inclined planes of the cutting edge is: 50 degrees.
Scheme II:
the utility model provides a yarn scissors with scheme one the blade of buckling which characterized in that: the handle comprises two pressing arms arranged at intervals and an elastic reset section connected between the lower ends of the two pressing arms;
an installation part is arranged at one end, far away from the elastic reset section, of each pressing arm, the number of the bending blades is two, the bending blades are fixedly installed on the installation parts of the two pressing arms respectively, the cutting edge of each bending blade points to the side where the other bending blade is located, and the inner opening surface of each bending blade faces to the inner opening surface of the other bending blade;
when the movable pressing arms of the pressing handle enable the two pressing arms to be closed in opposite directions, the two bending blades can be driven to be matched and sheared, and when applied acting force is loosened, the two pressing arms can drive the two pressing arms to be separated from the elastic opening under the elastic action of the elastic resetting section.
For the convenience of location installation, the installation department is including setting up the mounting groove in pressing the arm, the notch of mounting groove is established on the inboard lateral wall towards the direction of foldeing, be equipped with more than one in the mounting groove and extend the reference column that sets up along the direction that the perpendicular to pressed the arm to fold, be equipped with on the blade body of the blade of buckling and can install with the reference column cooperation and extend the locating hole that link up along perpendicular to blade body place plane, the blade body cooperation of buckling the blade is installed in pressing the mounting groove of arm to the locating hole of buckling the blade is fixed to be cup jointed on the periphery wall of reference column.
For the convenience of location installation, still be equipped with more than one oblique draw-in groove on the blade body of the blade of buckling, the relative kink of oblique draw-in groove and the blade body crossing department bend trace slope extend the setting and the notch of oblique draw-in groove is established on the lateral wall of blade body one side of keeping away from the blade, still be equipped with in the mounting groove by the tank bottom to the slope of notch direction extend and can cooperate the oblique draw-in body of joint with oblique draw-in groove, the blade of buckling when fixed mounting, the oblique draw-in groove of the blade body can just in time the joint on the oblique draw-in body of mounting groove.
Preferably, the height of the positioning column is: 0.1-0.3 mm.
In order to facilitate resetting, the elastic resetting section is arc-shaped, the elastic resetting section is positioned between the two pressing arms, the two arc-shaped ends of the elastic resetting section are fixedly connected with the bottoms of the two pressing arms respectively, and the arc-shaped concave part of the elastic resetting section faces one side of the opening and closing shearing positions of the two bending blades.
Preferably, the handle further comprises an elastic rebound assembly for facilitating the resetting rebound of the two pressing arms;
the elastic resilience assembly is arranged between the two pressing arms and positioned on one side of the elastic resetting section facing the opening and closing shearing positions of the two bending blades, the elastic resilience assembly comprises a first arc-shaped section, a second arc-shaped section and a linear section, the second arc-shaped section is positioned at a position close to the elastic resetting section, the arc-shaped convex part of the second arc-shaped section faces one side of the elastic resetting section, the linear section is positioned between the second arc-shaped section and the elastic resetting section, the two linear ends of the linear section are respectively and fixedly connected with the arc-shaped convex part of the second arc-shaped section and the arc-shaped concave part of the elastic resetting section, the two first arc-shaped sections are respectively positioned at the two sides of the second arc-shaped section, the arc-shaped end of each first arc-shaped section is fixedly connected with the corresponding inner side wall of the pressing arm, and the other arc-shaped end of each first arc-shaped section is connected with, and the arc-shaped convex part of the first arc-shaped section points to the other pressing arm which is not connected with the first arc-shaped section.
In order to facilitate skid resistance, skid-proof grains which are arranged at intervals along the length direction of the pressing arms are arranged on the outer side pressing surface of each pressing arm.
In order to facilitate the limiting, the middle part of the inner side wall of one pressing arm facing the folding direction is provided with a limiting lug, and the middle part of the inner side wall of the other pressing arm facing the folding direction is provided with a limiting groove which can be matched and corresponding to the limiting lug.
Preferably, the handle is integrally injection molded.
The third scheme is as follows:
the manufacturing method of the bending blade according to the first aspect is characterized in that: the method comprises the following steps:
blanking: placing a steel belt on a punch press, respectively punching a positioning hole and an inclined clamping groove of each bending blade and scrap lapping positioned between two adjacent bending blades along the length direction of the steel belt, wherein the scrap lapping is obliquely arranged relative to the length direction of the steel belt, then bending the steel belt to form a blade body and a bent part of each bending blade, and finally pressing creases of the outline of each bending blade on the steel belt according to the appearance of each bending blade;
heat treatment: sending the steel strip subjected to blanking treatment in the step I into a quenching furnace for heat treatment to enable the steel strip to meet the use hardness requirement;
edging: feeding the steel strip subjected to the heat treatment in the step II into a water mill to grind the inner opening surface of the bent part, and then grinding the cutting edge to finish the sharpness of the bent blade;
and fourthly, breaking: and (4) feeding the steel strip after edging in the step (III) into a breaking machine, and sequentially breaking the steel strip along the crease punched in the step (I) to form a bending blade.
Preferably, the heat treatment comprises heating, quenching and tempering.
In order to remove the defective products, a defective product detection device is arranged in each of the steps I to IV and is used for detecting the products in each step to remove the defective products.
Compared with the prior art, the utility model has the advantages that:
1. the utility model relates to a bending blade and a yarn shear with the blade, the bending blade is provided with a bending part which can increase the bending strength of the blade, so that the thickness of the blade can be thinner, and the requirement of equal shearing strength can be met; the bending blade in the blade manufacturing method does not need to grind the outer opening surface, the bending part can be directly bent by adopting a bending process, and the blade manufacturing method has the advantages of high efficiency, high dimensional precision, good surface quality, low energy consumption and the like.
2. The utility model relates to a blade of buckling and have yarn scissors of this blade, wherein the yarn scissors adopts the oblique draw-in groove of the blade of buckling and presses the oblique card body matched with structure of arm, plays the side direction positioning effect of sword cutting edge direction dorsad.
3. The utility model relates to a blade of buckling and have yarn scissors of this blade, the locating hole of the blade of buckling in this yarn scissors matches with the reference column of handle, plays the pretension effect that the blade of buckling was packed into the handle to the height of reference column is 0.1-0.3mm, and the loading and unloading of blade is conveniently buckled to the pretightning force, and can guarantee again that the blade of buckling can not deviate from.
4. The utility model relates to a blade of buckling and have yarn scissors of this blade, this yarn scissors still are equipped with elasticity resilience subassembly so that the freedom of handle kick-backs.
5. The utility model relates to a blade of buckling and have yarn scissors of this blade, this yarn scissors still establish spacing lug and spacing recess to carry on spacingly to the shearing position that two bending blades closed together in this yarn scissors.
Drawings
FIG. 1 is a schematic structural diagram of a conventional yarn cutter;
FIG. 2 is a schematic view of a blade structure of a conventional yarn cutter;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a first schematic structural view of a bending blade according to an embodiment;
FIG. 5 is a second schematic structural view of a bending blade according to the first embodiment;
FIG. 6 is a schematic view showing the structure of a sheet material for forming a bending blade in the first embodiment;
FIG. 7 is a schematic structural diagram of a first exemplary embodiment of a pair of scissors;
FIG. 8 is an enlarged view of B in FIG. 7;
FIG. 9 is a second schematic structural view of a pair of scissors according to a second embodiment;
FIG. 10 is a schematic layout view of a bending blade according to the third embodiment.
Description of reference numerals: 1-blade body, 11-positioning hole, 12-oblique clamping groove, 2-bending part, 3-cutting edge, 4-handle, 41-pressing arm, 411-mounting groove, 412-positioning column, 413-oblique clamping body, 42-elastic reset section, 43-elastic resilience component, 431-first arc section, 432-second arc section, 433-straight section, 44-anti-skid grain, 45-limiting bump, 5-scrap material, a-longer side of parallelogram and h-sheet material height.
Detailed Description
The invention is explained in detail below with reference to the accompanying drawings:
the first embodiment is as follows:
as shown in fig. 4-6, a bending blade, characterized in that: including the blade body 1 that is used for with handle 4 installation fixed connection, connect by blade body 1 one side edge and relative blade body 1 place plane kink 2 that sets up and set up at kink 2 and keep away from blade body 1 outside edge line blade 3 on the edge, blade body 1 and kink 2's thickness L do: 0.5-0.9 mm.
Preferably, the thickness L of the blade body 1 and the bent portion 2 is: 0.7 mm.
Preferably, an included angle α between the inner opening surface of the bending portion 2 and the plane where the blade body 1 is located is: 150 to 170 degrees. The inner opening surface is a joint surface when the two bending blades are mutually matched and cut.
Preferably, an included angle α between the inner opening surface of the bending portion 2 and the plane where the blade body 1 is located is: 160 deg.
Preferably, the bending blade is formed by bending a parallelogram-shaped sheet material, and the bent portion 2 is bent along a straight line parallel to one side of the sheet material.
Preferably, adjacent two adjacent sides of the parallelogram-shaped sheet material are different in length, and the bent portion 2 is bent along a straight line parallel to the longer side a of the sheet material.
Preferably, the bending mark at the intersection of the bending part 2 and the blade body 1 is located at a position of one third of the height h of the sheet material, and the height h of the sheet material where the bending mark is located is a vertical distance between two longer sides a of the parallelogram sheet material.
Preferably, the included angle β between the two inclined surfaces of the cutting edge 3 is: 40-60 degrees.
Preferably, the included angle β between the two inclined surfaces of the cutting edge 3 is: 50 degrees.
Example two:
as shown in fig. 4-9, a pair of yarn scissors with a bending blade according to the first embodiment is characterized in that: the handle 4 comprises two pressing arms 41 which are arranged at intervals and an elastic reset section 42 connected between the lower ends of the two pressing arms 41;
an installation part is arranged at one end of each pressing arm 41 far away from the elastic reset section 42, the number of the bending blades is two, the bending blades are fixedly installed on the installation parts of the two pressing arms 41 respectively, the cutting edge 3 of each bending blade points to the side where the other bending blade is located, and the inner opening surface of each bending blade faces to the inner opening surface of the other bending blade;
the pressing arms 41 of the movable pressing handle 4 can drive the two bending blades to perform matched shearing when the two pressing arms 41 are closed oppositely, and the two pressing arms 41 can drive the two pressing arms 41 to depart from the springing-open under the elastic action of the elastic resetting section 42 when the applied acting force is released.
In order to facilitate positioning and installation, the installation part comprises an installation groove 411 arranged in the pressing arm 41, a notch of the installation groove 411 is formed in the inner side wall facing the folding direction, more than one positioning column 412 extending and arranged in the direction perpendicular to the folding direction of the pressing arm 41 is arranged in the installation groove 411, a positioning hole 11 which can be installed in a matched manner with the positioning column 412 and extends through along the plane perpendicular to the blade body 1 is formed in the blade body 1 of the bending blade, the blade body 1 of the bending blade is installed in the installation groove 411 of the pressing arm 41 in a matched manner, and the positioning hole 11 of the bending blade is fixedly sleeved on the peripheral wall of the positioning column 412.
For the convenience of location installation, still be equipped with more than one oblique draw-in groove 12 on the blade body 1 of the blade of buckling, the relative kink of draw-in groove 12 extends the setting and the notch of oblique draw-in groove 12 is established on the lateral wall of blade body 1 one side of keeping away from blade 3 one side with the crossing department of blade body 1 that bends the trace slope, still be equipped with in the mounting groove 411 by the tank bottom to the notch direction slope extend and can with oblique draw-in groove 12 matched with joint oblique draw-in groove 413, the blade of buckling when fixed mounting, the oblique draw-in groove 12 of blade body 1 can just in time joint on the oblique draw-in body 413 of mounting groove 411.
Preferably, the height of positioning post 412 is: 0.1-0.3 mm.
In order to facilitate resetting, the elastic resetting section 42 is arc-shaped, the elastic resetting section 42 is located between the two pressing arms 41, the two arc-shaped ends of the elastic resetting section 42 are respectively fixedly connected with the bottoms of the two pressing arms 41, and the arc-shaped concave part of the elastic resetting section 42 faces one side of the opening and closing shearing position of the two bending blades.
Preferably, the handle 4 further comprises an elastic rebound assembly 43 for facilitating the return rebound of the two pressing arms 41;
the elastic resilient assembly 43 is arranged between the two pressing arms 41 and located on one side of the elastic reset section 42 facing the opening and closing shearing positions of the two bending blades, the elastic resilient assembly 43 comprises a first arc-shaped section 431, a second arc-shaped section 432 and a straight line section 433, the second arc-shaped section 432 is located at a position close to the elastic reset section 42, the arc-shaped convex part of the second arc-shaped section 432 faces one side of the elastic reset section 42, the straight line section 433 is located between the second arc-shaped section 432 and the elastic reset section 42, the two straight line ends of the straight line section 433 are fixedly connected with the arc-shaped convex part of the second arc-shaped section 432 and the arc-shaped concave part of the elastic reset section 42 respectively, the two first arc-shaped sections 431 are located on two sides of the second arc-shaped section 432 respectively, the arc-shaped end of each first arc-shaped section 431 is fixedly connected with the inner side wall of the corresponding pressing arm 41, and the arc-shaped other end of each first arc-shaped section 431 is connected with the corresponding arc-, and the arc-shaped protrusion of the first arc-shaped section 431 is directed to another pressing arm 41 which is not connected to the first arc-shaped section 431.
In order to facilitate anti-slip, anti-slip patterns 44 are provided on the outer pressing surface of each pressing arm 41 at intervals along the longitudinal direction of the pressing arm 41.
In order to facilitate the limiting, a limiting bump 45 is arranged in the middle of the inner side wall of one of the pressing arms 41 facing the folding direction, and a limiting groove which can be matched with the limiting bump 45 and corresponds to the middle of the inner side wall of the other pressing arm 41 facing the folding direction is arranged in the middle of the inner side wall of the other pressing arm 41.
Preferably, the handle 4 is integrally injection molded.
In particular, the bending blade is not limited to the use of a pair of scissors, but can be applied to the use of other scissors such as a pair of embroidery scissors.
Example three:
as shown in fig. 4 to 6 and 10, a method for manufacturing a bending blade according to a first embodiment is characterized in that: the method comprises the following steps:
blanking: placing a steel belt on a punch press, respectively punching a positioning hole 11 and an inclined clamping groove 12 of each bending blade and scrap overlap 5 positioned between two adjacent bending blades along the length direction of the steel belt, wherein the scrap overlap 5 is obliquely arranged relative to the length direction of the steel belt, then bending the steel belt to form a blade body 1 and a bent part 2 of each bending blade, and finally pressing creases of the outline of each bending blade on the steel belt according to the appearance of each bending blade;
heat treatment: sending the steel strip subjected to blanking treatment in the step I into a quenching furnace for heat treatment to enable the steel strip to meet the use hardness requirement;
edging: feeding the steel strip subjected to the heat treatment in the step two into a water mill to grind the inner opening surface of the bent part 2, and then grinding the cutting edge 3 to finish the sharpness of the bent blade;
and fourthly, breaking: and (4) feeding the steel strip after edging in the step (III) into a breaking machine, and sequentially breaking the steel strip along the crease punched in the step (I) to form a bending blade.
Preferably, the heat treatment comprises heating, quenching and tempering.
In order to remove the defective products, a defective product detection device is arranged in each of the steps I to IV and is used for detecting the products in each step to remove the defective products.
While the present invention has been shown and described with reference to particular embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be limited, except as by the appended claims and their equivalents.
Claims (18)
1. A bending blade is characterized in that: including be used for with handle (4) installation fixed connection's blade body (1), connect by blade body (1) one side edge and relative blade body (1) place plane kink (2) that set up and set up blade (3) on kink (2) keep away from the outside edge line of blade body (1), the thickness L of blade body (1) and kink (2) is: 0.5-0.9 mm.
2. The bending blade according to claim 1, wherein: the thickness L of the blade body (1) and the bending part (2) is as follows: 0.7 mm.
3. The bending blade according to claim 1, wherein: the included angle alpha between the inner opening surface of the bending part (2) and the plane where the blade body (1) is located is as follows: 150 to 170 degrees.
4. The bending blade according to claim 3, wherein: the included angle alpha between the inner opening surface of the bending part (2) and the plane where the blade body (1) is located is as follows: 160 deg.
5. The bending blade according to claim 1, wherein: the bending blade is formed by bending a parallelogram-shaped sheet material, and the bending part (2) bends along a straight line parallel to one edge of the sheet material.
6. The bending blade according to claim 5, wherein: the lengths of two adjacent sides of the parallelogram-shaped sheet material are different, and the bent part (2) is bent along a straight line parallel to the longer side (a) of the sheet material.
7. The bending blade according to claim 6, wherein: the bending mark at the intersection of the bending part (2) and the blade body (1) is positioned at the position of one third of the height (h) of the sheet material, and the height (h) of the sheet material where the bending mark is positioned is the vertical distance between the sheet material and two longer sides (a) of the parallelogram sheet material.
8. The bending blade according to claim 1, wherein: the included angle beta between two inclined planes of the cutting edge (3) is as follows: 40-60 degrees.
9. The bending blade according to claim 8, wherein: the included angle beta between two inclined planes of the cutting edge (3) is as follows: 50 degrees.
10. A pair of shears having a bending blade according to any one of claims 1-9, wherein: the handle (4) comprises two pressing arms (41) which are arranged at intervals and an elastic reset section (42) connected between the lower ends of the two pressing arms (41);
an installation part is arranged at one end, far away from the elastic reset section (42), of each pressing arm (41), the number of the bending blades is two, the bending blades are fixedly installed on the installation parts of the two pressing arms (41), the cutting edge (3) of each bending blade points to the side where the other bending blade is located, and the inner opening surface of each bending blade faces to the inner opening surface of the other bending blade;
when the pressing arms (41) of the movable pressing handle (4) enable the two pressing arms (41) to be closed in opposite directions, the two bending blades can be driven to be matched and cut, and when applied acting force is loosened, the two pressing arms (41) can drive the two pressing arms (41) to be separated from each other and be bounced off under the elastic action of the elastic resetting section (42).
11. A shear according to claim 10, wherein: the installation department is including setting up mounting groove (411) in pressing arm (41), the notch of mounting groove (411) is established on the inboard lateral wall towards the direction of folding, be equipped with more than one in mounting groove (411) and extend reference column (412) that set up along the direction that perpendicular to pressing arm (41) folded, be equipped with on the blade body (1) of the blade of buckling and can install with reference column (412) cooperation and extend locating hole (11) that link up along perpendicular to blade body (1) place plane, the blade body (1) cooperation of the blade of buckling is installed in mounting groove (411) according to pressing arm (41) to the fixed cover of locating hole (11) of the blade of buckling is on the periphery wall of reference column (412).
12. A shear according to claim 11, wherein: still be equipped with more than one oblique draw-in groove (12) on the blade body (1) of the blade of buckling, draw-in groove (12) is relative kink (2) and blade body (1) crossing department's the slope of buckling trace extend the setting and the notch of draw-in groove (12) is established on the lateral wall of blade body (1) one side of keeping away from blade (3) one side to one side, still be equipped with in mounting groove (411) and extend and can with oblique draw-in groove (12) matched with oblique draw-in groove (413) to the slope of notch direction by the tank bottom, the blade of buckling when fixed mounting, oblique draw-in groove (12) of blade body (1) can just in time joint on oblique draw-in groove (413) of mounting groove (411).
13. A shear according to claim 11, wherein: the height of the positioning column (412) is as follows: 0.1-0.3 mm.
14. A shear according to claim 10, wherein: the elastic reset section (42) is arc-shaped, the elastic reset section (42) is located between the two pressing arms (41), the two arc-shaped ends of the elastic reset section (42) are fixedly connected with the bottoms of the two pressing arms (41), and the arc-shaped concave part of the elastic reset section (42) faces one side of the opening and closing shearing positions of the two bending blades.
15. A shear according to claim 14, wherein: the handle (4) further comprises an elastic rebound assembly (43) for facilitating the resetting and rebound of the two pressing arms (41);
the elastic resilience assembly (43) is arranged between the two pressing arms (41) and is positioned on one side of the elastic resetting section (42) facing the opening and closing shearing positions of the two bending blades, the elastic resilience assembly (43) comprises a first arc-shaped section (431), a second arc-shaped section (432) and a linear section (433), the second arc-shaped section (432) is positioned at a position close to the elastic resetting section (42) and the arc-shaped convex part of the second arc-shaped section (432) faces one side of the elastic resetting section (42), the linear section (433) is positioned between the second arc-shaped section (432) and the elastic resetting section (42), the two ends of the linear section (433) are respectively and fixedly connected with the arc-shaped convex part of the second arc-shaped section (432) and the arc-shaped concave part of the elastic resetting section (42), the number of the first arc-shaped sections (431) is two, and the two first arc-shaped sections (431) are respectively positioned on two sides of the second arc-shaped, the arc-shaped end of each first arc-shaped section (431) is fixedly connected with the inner side wall of the corresponding pressing arm (41), the arc-shaped other end of each first arc-shaped section (431) is connected with the corresponding arc-shaped free end of the second arc-shaped section (432), and the arc-shaped convex part of the first arc-shaped section (431) points to the other pressing arm (41) which is not connected with the first arc-shaped section (431).
16. A shear according to claim 10, wherein: the outer pressing surface of each pressing arm (41) is provided with anti-slip grains (44) which are arranged at intervals along the length direction of the pressing arm (41).
17. A shear according to claim 10, wherein: one of the pressing arms (41) is provided with a limiting lug (45) in the middle of the inner side wall facing the folding direction, and the other pressing arm (41) is provided with a limiting groove in the middle of the inner side wall facing the folding direction, wherein the limiting groove can be matched and corresponding to the limiting lug (45).
18. A shear according to claim 10, wherein: the handle (4) is integrally formed by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022573491.2U CN213674225U (en) | 2020-11-09 | 2020-11-09 | Bending blade and yarn scissors with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022573491.2U CN213674225U (en) | 2020-11-09 | 2020-11-09 | Bending blade and yarn scissors with same |
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| Publication Number | Publication Date |
|---|---|
| CN213674225U true CN213674225U (en) | 2021-07-13 |
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| CN202022573491.2U Active CN213674225U (en) | 2020-11-09 | 2020-11-09 | Bending blade and yarn scissors with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297064A (en) * | 2020-11-09 | 2021-02-02 | 福建大利五金科技有限公司 | Bending blade, yarn scissors with same and blade manufacturing method |
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2020
- 2020-11-09 CN CN202022573491.2U patent/CN213674225U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297064A (en) * | 2020-11-09 | 2021-02-02 | 福建大利五金科技有限公司 | Bending blade, yarn scissors with same and blade manufacturing method |
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