CN107333573B - Electronic gardens scissors blade subassembly - Google Patents
Electronic gardens scissors blade subassembly Download PDFInfo
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- CN107333573B CN107333573B CN201710696649.5A CN201710696649A CN107333573B CN 107333573 B CN107333573 B CN 107333573B CN 201710696649 A CN201710696649 A CN 201710696649A CN 107333573 B CN107333573 B CN 107333573B
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- cutting edge
- blade
- blade cutting
- upper blade
- lower blade
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/033—Secateurs; Flower or fruit shears having motor-driven blades
- A01G3/037—Secateurs; Flower or fruit shears having motor-driven blades the driving means being an electric motor
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Scissors And Nippers (AREA)
Abstract
The invention provides an electric garden shear blade assembly which comprises a blade module, wherein the blade module comprises an upper blade and a lower blade; the upper blade comprises an upper blade body and an upper blade cutting edge I arranged at the bottom of the upper blade body, the upper blade cutting edge I is arranged in a first curved arc shape, an upper material discharge groove is arranged on the upper blade cutting edge I along the first curved arc shape on the upper part of the upper blade cutting edge I, an upper blade cutting edge II is arranged at the connecting end of the upper part of the material discharge groove and the upper blade body, and the upper blade cutting edge I and the upper blade cutting edge II are arranged in a vertically staggered manner; the lower blade comprises a lower blade body and a lower blade cutting edge arranged on the lower blade body, the lower blade cutting edge is arranged in a second curved surface arc shape, and a discharge chute is arranged on the lower blade cutting edge along the second curved surface arc shape on the upper portion of the lower blade cutting edge. According to the invention, the material-letting groove and the material-discharging groove are arranged to avoid clamping the blade during shearing, and the material-letting groove and the material-discharging groove are arranged to prevent the upper blade and the lower blade from forming an included angle during shearing.
Description
Technical Field
The invention relates to garden shears, in particular to an electric garden shear blade assembly.
Background
Along with the development of forestry and planting industry, need prune the branch and leaf, make the branch and leaf of trees can grow according to administrator's needs, just electric garden shears has appeared thereupon, through electric garden shears, can prune unnecessary twigs fast, convenient laborsaving. The reliability and the stability of the electric garden shears in the current market are not high, and the service life is short. Referring to fig. 6, when the conventional cutter head assembly is used for cutting, branches are between two upper blades and two lower blades, and because the tangent plane squeezes the blades to cause the upper blades and the lower blades to form an included angle, the cutting is smooth due to the skin connection.
Disclosure of Invention
In view of the above, the present invention is directed to an electric garden shears blade assembly.
The technical scheme provided by the invention is as follows: an electric garden shear blade assembly comprises a driving gear, wherein the driving gear is fixed on a cutter head part and is linked with a trigger arranged at the bottom of the cutter head part, a blade module is arranged on the driving gear and is connected with the driving gear through a fixing part, and the blade module comprises an upper blade and a lower blade;
the upper blade comprises an upper blade body and an upper blade cutting edge I arranged at the bottom of the upper blade body, the upper blade cutting edge I is arranged in a first curved surface arc shape, an upper material discharge groove is arranged on the upper blade cutting edge I along the first curved surface arc shape on the upper part of the upper blade cutting edge I, an upper blade cutting edge II is arranged at the connecting end of the upper part of the material discharge groove and the upper blade body, the upper blade cutting edge I and the upper blade cutting edge II are arranged in a vertically staggered mode, and material discharge positions at the front end and the rear end of the material discharge groove are equal;
the lower blade comprises a lower blade body and a lower blade cutting edge arranged on the lower blade body, the lower blade cutting edge is arranged in a second curved surface arc shape, a discharge chute is arranged on the lower blade cutting edge along the second curved surface arc shape on the upper portion of the lower blade cutting edge, and the discharge chute and the lower blade cutting edge are arranged in a vertically staggered mode.
Preferably, the radian of the curved surface of the first upper blade edge is the same as that of the curved surface of the second upper blade edge, the first upper blade edge and the material discharge groove form a lower tangent plane, the second upper blade edge and the material discharge groove form an upper tangent plane, the lower tangent plane and the upper tangent plane are arranged in parallel, and the lower tangent plane and the upper tangent plane are arranged in a staggered manner.
Preferably, the lower section and the upper section are integrally arranged with the material-letting groove, and the lower section and the upper section are arranged to be concave outwards.
Preferably, a third curved surface arc is arranged between the connecting end of the discharging chute and the cutting edge of the lower blade, the front end of the third curved surface arc is the same as the radian of the second curved surface arc and is concave towards the lower blade body, and an extruding arc section is arranged at the rear end of the third curved surface arc and is concave towards the lower blade body.
Preferably, the front end of the arc of the third curved surface is connected with the extrusion arc section into an integral S shape.
Preferably, the included angles of the material-yielding positions at the front end and the rear end of the material-yielding trough are respectively < A and < B.
Preferably, the angle A and the angle B are the same, and the angle A is not less than 5 degrees and not more than 20 degrees.
Preferably, the upper blade is provided with an upper mounting hole and an upper stretching hole, the upper mounting hole is fixed with the lower blade through a fixing part, and an elastic component connected with the stretching hole is fixed at the fixing part.
Preferably, the elastic member is a spring.
Preferably, the lower blade is provided with a lower mounting hole and a lower fixing hole, the lower mounting hole is fixed with the upper blade through a fixing part, and the lower fixing hole is fixed on the cutter head through a screw.
Preferably, the discharge chute is arranged along the bottom of the lower tool bit body, a cutting part is arranged between the discharge chute and the cutting edge of the lower blade, and the cutting part and the cutting edge of the lower blade are integrally arranged and are arranged in a staggered manner.
The shearing cutting edges of the lower blade edge and the upper blade edge II are only 1/5 of the width of a common knife edge, so that the contact surface of the blade edge and a tangent plane is smaller, the cutting edge surface is more orderly, meanwhile, the areas of the blade and the tangent plane are reduced, the shearing time of the blade is shorter, the shearing speed is improved, meanwhile, the mechanical friction is reduced due to the smaller area, and the service life of the blade is prolonged.
According to the invention, the material-letting groove and the discharge groove are arranged to avoid clamping the blade during shearing, and the material-letting groove and the discharge groove are arranged to prevent the upper blade and the lower blade from forming an included angle during shearing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the upper and lower blades of the present invention secured together;
FIG. 2 is a schematic view of the upper blade of the present invention;
FIG. 3 is a schematic view of the construction of the lower blade of the present invention;
FIG. 4 is a schematic view of the upper blade of the present invention during cutting;
FIG. 5 is a schematic view of a common upper blade for shearing according to the present invention;
FIG. 6 is a schematic view of a conventional cutting head assembly provided in accordance with the present invention during cutting;
FIG. 7 is a schematic view of the present invention providing a top blade and a bottom blade when combined;
fig. 8 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the electric garden shears blade assembly provided by the present invention includes a driving gear 2, the driving gear 2 is fixed on a head portion 12 and is linked with a trigger 15 arranged at the bottom of the head portion 12, a blade module is arranged on the driving gear 2, the blade module is connected with the driving gear 2 through a fixing portion 3, and the blade module includes an upper blade 1 and a lower blade 10;
the upper blade 1 comprises an upper blade body and an upper blade cutting edge I4 arranged at the bottom of the upper blade body, the upper blade cutting edge I4 is arranged in a first curved arc shape, an upper material discharge groove 6 is arranged on the upper blade cutting edge I4 along the first curved arc shape on the upper part of the upper blade cutting edge I, an upper blade cutting edge II 5 is arranged at the connecting end of the upper part of the material discharge groove 6 and the upper blade body, the upper blade cutting edge I4 and the upper blade cutting edge II 5 are arranged in a vertically staggered mode, and material discharge positions at the front end and the rear end of the material discharge groove 6 are equal; the radian of the curved surface of the first upper blade cutting edge 4 is the same as that of the second upper blade cutting edge 5, the first upper blade cutting edge 4 and the material discharge groove 6 form a lower section, the second upper blade cutting edge 5 and the material discharge groove 6 form an upper section, the lower section and the upper section are arranged in parallel, and the lower section and the upper section are arranged in a staggered manner. The lower section and the upper section are integrally arranged with the material discharge groove, and the lower section and the upper section are arranged to be concave outwards. The included angles of the material yielding positions at the front end and the rear end of the material yielding groove 6 are respectively < A and < B. The angle A and the angle B are the same, and the angle A is less than or equal to 5 degrees and the angle B is less than or equal to 20 degrees.
The lower blade 10 comprises a lower blade body 8 and a lower blade cutting edge 7 arranged on the lower blade body 8, the lower blade cutting edge 7 is arranged in a second curved surface arc shape, the lower blade cutting edge 7 is provided with a discharge chute 9 along the second curved surface arc shape on the upper portion of the lower blade cutting edge, and the discharge chute 9 and the lower blade cutting edge 7 are arranged in a vertically staggered mode. For the curved setting of third curved surface between the link of blowpit 9 and bottom knife cutting edge 7, this curved front end of third curved surface is the same with the curved radian of second curved surface, and all indent to the bottom knife body, the curved rear end of third curved surface is provided with extrudes the segmental arc, should extrude the segmental arc and outwards indent to the bottom knife body. The front end of the arc of the third curved surface is connected with the extrusion arc section into an integral S shape.
The upper blade 1 is provided with an upper mounting hole and an upper stretching hole, the upper mounting hole is fixed with the lower blade through a fixing part, and a spring connected with the stretching hole is fixed at the fixing part 3. The lower blade 10 is provided with a lower mounting hole and a lower fixing hole, the lower mounting hole is fixed with the upper blade 1 through a fixing part, and the lower fixing hole is fixed at the cutter head part 12 through a screw.
Referring to fig. 4 and 5, when the traditional blade is used for shearing, the upper blade and the branches 11 are directly cut downwards, and the hardness of the cut-down is high, while the upper blade 1 provided by the invention is provided with the material groove 6, when the material groove 6 is used for shearing, the section of the cut branches 11 gives way to the upper blade cutting edge two 5 through the material groove 6, so that the cutting edges of the upper blade cutting edge two 5 and the branches 11 form a movable position, the shearing hardness is reduced, meanwhile, the shearing cutting edges of the lower blade cutting edge 7 and the upper blade cutting edge two 5 are only 1/5 wide of the common cutting edge, the contact surface between the cutting edge and the cut surface is smaller, the cutting edge surface is more neat, meanwhile, the areas of the blade and the cut surface are reduced, the time for shearing the blade is shorter, the shearing speed is improved, and meanwhile, the mechanical friction is reduced due to the smaller area, and the service life of the blade is prolonged. The upper blade cutting edge two 5 and the upper blade cutting edge one 4 form upper and lower double shearing, and the function is as follows: the first pair of shears is faster, and the second, upper blade cutting edge one 4 forms a location to ensure that the branches 11 do not move during the shearing process.
Referring to fig. 6, when the conventional cutter head assembly is used for cutting, branches are between two upper blades and two lower blades, and because the tangent plane squeezes the blades to cause the upper blades and the lower blades to form an included angle K, the cutting is smooth due to the skin connection. When the cutter head assembly provided by the invention is used for shearing, the material groove 6 and the discharge groove 9 are prevented from clamping the blade when the blade is sheared, and the material groove 6 and the discharge groove 9 are arranged, so that an included angle cannot be formed between the upper blade 1 and the lower blade 10 when the blade is sheared. So that the shearing is smoother.
Referring to fig. 8, the present invention also provides an application of an electric garden shears blade assembly, which includes a blade assembly 13, a wire clamp 14 disposed at the rear end of the blade assembly 13, and a blade head 12 disposed at the front end of the blade assembly 13, wherein the blade head 12 mounts the electric garden shears blade assembly provided by the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An electric garden shear blade assembly comprises a driving gear, wherein the driving gear is fixed on a cutter head part and is linked with a trigger arranged at the bottom of the cutter head part;
the upper blade comprises an upper blade body and an upper blade cutting edge I arranged at the bottom of the upper blade body, the upper blade cutting edge I is arranged in a first curved arc shape, a material discharge groove is formed in the upper blade cutting edge I along the first curved arc shape of the upper part of the upper blade cutting edge I, an upper blade cutting edge II is arranged at the connecting end of the upper part of the material discharge groove and the upper blade body, the upper blade cutting edge I and the upper blade cutting edge II are arranged in a vertically staggered manner, and material discharge positions at the front end and the rear end of the material discharge groove are equal;
the lower blade comprises a lower blade body and a lower blade cutting edge arranged on the lower blade body, the lower blade cutting edge is arranged in a second curved arc shape, the lower blade cutting edge is provided with a discharge chute along the second curved arc shape at the upper part of the lower blade cutting edge, and the discharge chute and the lower blade cutting edge are arranged in a vertically staggered manner;
the radian of the curved surface of the upper blade cutting edge I is the same as that of the curved surface of the upper blade cutting edge II, the lower section of the upper blade cutting edge I is formed with the material discharge groove, the upper section of the upper blade cutting edge II is formed with the material discharge groove, the lower section of the upper blade cutting edge II is parallel to the upper section of the upper blade cutting edge, and the lower section of the upper blade cutting edge is staggered with the upper section of the upper blade cutting edge.
2. An electric garden shear blade assembly according to claim 1, wherein the angles of the material-letting levels at the front and rear ends of the material-letting trough are ≤ a and ≤ B, respectively.
3. An electric garden shear blade assembly according to claim 2, in which the angles a and B are the same, and angles a = ≤ 5 ° < B ≤ 20 °.
4. An electric garden shears blade assembly according to claim 1, wherein the upper blade is provided with an upper mounting hole and an upper tension hole, the upper mounting hole is fixed to the lower blade by a fixing portion, and an elastic member connected to the tension hole is fixed to the fixing portion.
5. An electric garden shear blade assembly according to claim 4, wherein the resilient member is a spring.
6. An electric garden shears blade assembly according to claim 1, wherein the lower blade is provided with a lower mounting hole and a lower fixing hole, the lower mounting hole is fixed to the upper blade by a fixing portion, and the lower fixing hole is fixed to the head portion by a screw.
7. An electric garden shears blade assembly according to claim 1, wherein the discharge chute is located along the bottom of the lower head body, and a cutting member is located between the discharge chute and the lower blade cutting edge, the cutting member being integral with the lower blade cutting edge and offset from the discharge chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696649.5A CN107333573B (en) | 2017-08-15 | 2017-08-15 | Electronic gardens scissors blade subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696649.5A CN107333573B (en) | 2017-08-15 | 2017-08-15 | Electronic gardens scissors blade subassembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107333573A CN107333573A (en) | 2017-11-10 |
| CN107333573B true CN107333573B (en) | 2023-03-24 |
Family
ID=60217103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710696649.5A Active CN107333573B (en) | 2017-08-15 | 2017-08-15 | Electronic gardens scissors blade subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107333573B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6830558B1 (en) * | 2020-04-21 | 2021-02-17 | アルスコーポレーション株式会社 | Electric pruning shears |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3537649B2 (en) * | 1997-10-30 | 2004-06-14 | 株式会社マキタ | Electric pruning scissors |
| ES1047927Y (en) * | 2000-12-05 | 2001-10-16 | Hispaes Sa | MOTORIZED CUTTING DEVICE. |
| FR2822635B1 (en) * | 2001-03-30 | 2003-06-27 | Arno Ind | RESISTANT LESS EFFORT RESISTANT |
| FR2835694B1 (en) * | 2002-02-08 | 2004-04-02 | Deville Sa | SHEARS |
| CN2571156Y (en) * | 2002-09-19 | 2003-09-10 | 台州海德工具有限公司 | Secateur |
| US8910386B2 (en) * | 2011-05-02 | 2014-12-16 | Corona Clipper, Inc. | Multiple cut zone blade assembly for a hand operated cutting tool |
| CN202340486U (en) * | 2011-09-28 | 2012-07-25 | 杨云峰 | Electric brush cutter |
| CN202639359U (en) * | 2012-04-28 | 2013-01-02 | 广州五斗机械科技有限公司 | Plate cutting knife |
| CN204221017U (en) * | 2014-09-17 | 2015-03-25 | 常州南工工具制造有限公司 | A kind of cutter |
| JP6419653B2 (en) * | 2015-06-08 | 2018-11-07 | 株式会社マキタ | Electric scissors |
| CN207322014U (en) * | 2017-08-15 | 2018-05-08 | 马先鹏 | A kind of electric garden shears blade component |
-
2017
- 2017-08-15 CN CN201710696649.5A patent/CN107333573B/en active Active
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| Publication number | Publication date |
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| CN107333573A (en) | 2017-11-10 |
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Effective date of registration: 20221116 Address after: Room 501, building 2, No.1 Shahu 1st Road, Tangxia Town, Dongguan City, Guangdong Province 523000 Applicant after: DONGGUAN JIAHANG INDUSTRY Co.,Ltd. Address before: Room 601, No. 88, Jinhu Erli, Huli District, Xiamen City, Fujian Province, 361000 Applicant before: Ma Xianpeng |
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