CN109197215B - Energy-saving pruning shears with protection structure - Google Patents
Energy-saving pruning shears with protection structure Download PDFInfo
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- CN109197215B CN109197215B CN201811358206.6A CN201811358206A CN109197215B CN 109197215 B CN109197215 B CN 109197215B CN 201811358206 A CN201811358206 A CN 201811358206A CN 109197215 B CN109197215 B CN 109197215B
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- rotating arm
- arm
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- Biodiversity & Conservation Biology (AREA)
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- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Harvester Elements (AREA)
- Scissors And Nippers (AREA)
Abstract
The invention discloses an energy-saving pruning shear with a protection structure, which comprises a first rotating arm and a second rotating arm which are mutually hinged, wherein a first spring is arranged between handheld parts, an arc-shaped groove is arranged on the first rotating arm, an arc-shaped rod is arranged on the second rotating arm, first positioning teeth are uniformly arranged on one side of the arc-shaped rod, a guide rod is arranged on the first rotating arm in a penetrating way, a positioning block with second positioning teeth is arranged at one end of the guide rod, the other end of the guide rod is connected with a sliding iron core which is arranged in an electromagnetic coil in a sliding way, a second spring is arranged between the positioning block and the first rotating arm, conductive protection arms are respectively arranged on two cutting edges through torsional springs in a rotating way, a battery is arranged on the first rotating arm, an insulating rubber sleeve with a conductive contact piece outside is arranged on the handheld part, and the conductive protection arms are connected with the positive, the conductive contact is connected with the other electrode of the battery. The agricultural pruning shears can prevent self damage caused by misoperation.
Description
Technical Field
The invention belongs to the technical field of branch pruning tools, and particularly relates to an energy-saving type pruning shear with a protection structure, which is used for pruning branches of fruit trees and gardening.
Background
Pruning shears are tools used for pruning fruit trees and horticultural trees. The pruning scissors that are most commonly used are similar to scissors, including two pivoted rotor arms each other, and the one side that lies in articulated position on two rotor arms is the cutting edge of mutually supporting, and the opposite side is handheld portion, is equipped with the spring that the rotor arm was opened to the bullet generally between two handheld portions, and this kind of pruning scissors structure is light and handy, conveniently carries convenient operation.
However, in the long-time trimming process, especially in the process of trimming the rattans, due to the complicated growth of the rattans, one hand is required to hold the rattans and the other hand is required to cut the rattans, and if the operation is wrong, the user can easily cut his hand, so that the safety is not high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an energy-saving pruning shear with a protection structure, which can stop rotating when a cutting edge touches a body part of the agricultural pruning shear and prevent the agricultural pruning shear from damaging the agricultural pruning shear due to misoperation.
In order to solve the technical problem, the invention is solved by the following technical scheme: an energy-saving pruning shear with a protection structure comprises a first rotating arm and a second rotating arm which are mutually hinged through a hinged piece, wherein cutting blades are arranged on one sides of the first rotating arm and the second rotating arm, which are positioned at the hinged position, the other sides of the first rotating arm and the second rotating arm, which are positioned at the hinged position, are both handheld parts, a first spring for bouncing the first rotating arm and the second rotating arm is arranged between the handheld parts, an arc-shaped groove is arranged on the first rotating arm, an arc-shaped rod which moves in the arc-shaped groove is arranged on the second rotating arm, first positioning teeth are uniformly arranged on one side of the arc-shaped rod, a guide rod is arranged on the first rotating arm in a penetrating manner, a positioning block with second positioning teeth is arranged at one end of the guide rod, the other end of the guide rod is connected with a sliding iron core, and the sliding iron core is arranged in an electromagnetic coil in a sliding manner, the cutting device is characterized in that a second spring is arranged between the positioning block and the first rotating arm, the first positioning tooth and the second positioning tooth are positioned or separated through the control of the electrification or the outage of an electromagnetic coil, a conductive protection arm is arranged on the cutting edge in a rotating mode through a torsional spring, the natural position of the conductive protection arm is located on the front side of the cutting edge, an insulating pad is arranged between the conductive protection arm and the cutting edge, a battery is arranged on the first rotating arm, an insulating rubber sleeve is arranged on the handheld portion, a conductive contact piece is arranged on the outer side of the insulating rubber sleeve, the conductive protection arm is connected with the electromagnetic coil and then connected with the positive pole or the negative pole of the battery, and the conductive contact piece is connected with the other electrode of the battery. When the pruning shears are used, one hand of a person is held on the insulating rubber sleeve to be in contact with the conductive contact piece, the other parts of the body of the person are in contact with the conductive protection arm, the other parts of the body of the person are connected with the electromagnetic coil to form a passage, and the electromagnetic coil can attract the sliding iron core to move to enable the first positioning teeth and the second positioning teeth to be clamped and fixed, so that the first rotating arm and the second rotating arm cannot rotate continuously, and the part of the body of the person is prevented from being cut during use.
In the above technical solution, preferably, a power generation assembly is arranged on the first rotating arm, a first gear is connected to a rotating shaft of the power generation assembly through a one-way bearing, the first gear is in transmission with the first positioning teeth in a matching manner, and the battery is connected to the power generation assembly. Adopt this structure can be through the rotation electricity generation each other between first rotor arm and the second rotor arm when pruning the branch to provide the electric quantity to the battery, guarantee that the battery lasts the electricity in the use, improve the security.
The second rotating arm is separated from the cutting blade and is connected with the cutting blade in a rotating mode, a third spring and a touch switch are arranged between the cutting blade and the second rotating arm, a winding motor is arranged on the first rotating arm, a winding wheel is arranged on the winding motor, a pull rope is connected between the winding wheel and the second rotating arm, and the winding motor is started when the touch switch is in contact with the cutting blade. This kind of pruning scissors is owing to can last to battery charge when using, does not need the battery of large capacity, consequently is equipped with small-size battery for the whole weight of pruning scissors reduces, and charges small-size battery through manual power generation structure in the pruning, can open the coiling motor automatically and cut thick branch when cutting thick branch, has not only realized the requirement of portability, has promoted duration moreover greatly, and does not need external connection power or charge, reaches energy-conserving purpose.
An adjusting bolt penetrates through the second rotating arm, and the end part of the adjusting bolt is provided with the light touch switch. Adopt this structure can stretch into the distance of second rotor arm through adjusting bolt to the power of starting the coiling motor is adjusted to it makes it be applicable to different users, can suitably outwards adjust adjusting bolt to the user that the wrist power is said to be big, can suitably inwards adjust adjusting bolt to the user that the wrist power is said to be little.
Compared with the prior art, the invention has the following beneficial effects: when the pruning shears are used, one hand of a person is held on the insulating rubber sleeve to be in contact with the conductive contact piece, the other parts of the body of the person are in contact with the conductive protection arm, the other parts of the body of the person are connected with the electromagnetic coil to form a passage, and the electromagnetic coil can attract the sliding iron core to move to enable the first positioning teeth and the second positioning teeth to be clamped and fixed, so that the first rotating arm and the second rotating arm cannot rotate continuously, and the part of the body of the person is prevented from being cut during use.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a partial sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic structural diagram of a second rotating arm according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 3, an energy-saving pruning shear with a protection structure comprises a first rotating arm 2 and a second rotating arm 3 hinged to each other through a hinge 1, wherein a cutting edge 4 is disposed on one side of the first rotating arm 2 and one side of the second rotating arm 3 located at a hinge position, a handheld portion 5 is disposed on the other side of the first rotating arm 2 and the second rotating arm 3 located at the hinge position, a first spring 6 for springing open the first rotating arm 2 and the second rotating arm 3 is disposed between the handheld portions 5, an arc-shaped groove 7 is disposed on the first rotating arm 2, an arc-shaped rod 8 moving in the arc-shaped groove 7 is disposed on the second rotating arm 3, a first positioning tooth 9 is uniformly disposed on one side of the arc-shaped rod 8, a guide rod 10 is disposed on the first rotating arm 2 in a penetrating manner, a positioning block 12 having a second positioning tooth 11 is disposed at one end of the guide rod 10, the other end of the guide rod 10 is connected with a sliding iron core 13, the sliding iron core 13 is slidably arranged in an electromagnetic coil 131, a second spring 14 is arranged between the positioning block 12 and the first rotating arm 2, the first positioning tooth 9 and the second positioning tooth 11 are controlled to be positioned or separated by electrifying or deenergizing the electromagnetic coil 131, a conductive protection arm 15 is arranged on each of the two cutting blades 4 through the rotation of a torsion spring, the natural position of the conductive protection arm 15 is positioned in front of the cutting blade 4, an insulating pad is arranged between the conductive protection arm 15 and the cutting blade 4, a battery 16 is arranged on the first rotating arm 2, an insulating rubber sleeve 17 is arranged on the handheld part 5, a conductive contact piece 18 is arranged on the outer side of the insulating rubber sleeve 17, and the conductive protection arm 15 is connected with the electromagnetic coil 131 and then is connected with the positive pole or the negative pole of the battery 16, the conductive contact 18 is connected to the other electrode of the battery 16. When the pruning shears are used, one hand of a person is held on the insulating rubber sleeve to be in contact with the conductive contact piece, the other parts of the body of the person are in contact with the conductive protection arm, the other parts of the body of the person are connected with the electromagnetic coil to form a passage, and the electromagnetic coil can attract the sliding iron core to move to enable the first positioning teeth and the second positioning teeth to be clamped and fixed, so that the first rotating arm and the second rotating arm cannot rotate continuously, and the part of the body of the person is prevented from being cut during use.
The first rotating arm 2 is provided with a power generation assembly 19, a rotating shaft of the power generation assembly 19 is connected with a first gear 20 through a one-way bearing, the first gear 20 is in matched transmission with the first positioning teeth 9, and the battery 16 is connected with the power generation assembly 19. Adopt this structure can be through the rotation electricity generation each other between first rotor arm and the second rotor arm when pruning the branch to provide the electric quantity to the battery, guarantee that the battery lasts the electricity in the use, improve the security.
The second rotating arm 3 is separated from the cutting blade 4 and is connected with the cutting blade 4 in a rotating mode, a third spring 21 and a tact switch 22 are arranged between the cutting blade 4 and the second rotating arm 3, a winding motor 23 is arranged on the first rotating arm 2, a winding wheel 24 is arranged on the winding motor 23, a pull rope 25 is connected between the winding wheel 24 and the second rotating arm 3, and the winding motor 23 is started when the tact switch 22 is in contact with the cutting blade 4. This kind of pruning scissors is owing to can last to battery charge when using, does not need the battery of large capacity, consequently is equipped with small-size battery for the whole weight of pruning scissors reduces, and charges small-size battery through manual power generation structure in the pruning, can open the coiling motor automatically and cut thick branch when cutting thick branch, has not only realized the requirement of portability, has promoted duration moreover greatly, and does not need external connection power or charge, reaches energy-conserving purpose.
An adjusting bolt 26 penetrates through the second rotating arm 3, and the light touch switch 22 is arranged at the end part of the adjusting bolt 26. Adopt this structure can stretch into the distance of second rotor arm through adjusting bolt to the power of starting the coiling motor is adjusted to it makes it be applicable to different users, can suitably outwards adjust adjusting bolt to the user that the wrist power is said to be big, can suitably inwards adjust adjusting bolt to the user that the wrist power is said to be little.
Claims (2)
1. The utility model provides an energy-saving pruning scissors with protection architecture, includes first rotor arm (2) and second rotor arm (3) through articulated elements (1) articulated each other, one side that lies in articulated position on first rotor arm (2) and the second rotor arm (3) all is provided with cutting edge (4), first rotor arm (2) with the opposite side that second rotor arm (3) lie in articulated position is handheld portion (5), be provided with between handheld portion (5) and bounce open first rotor arm (2) with first spring (6) of second rotor arm (3), its characterized in that: an arc-shaped groove (7) is formed in the first rotating arm (2), an arc-shaped rod (8) moving in the arc-shaped groove (7) is arranged on the second rotating arm (3), first positioning teeth (9) are uniformly arranged on one side of the arc-shaped rod (8), a guide rod (10) penetrates through the first rotating arm (2), a positioning block (12) with second positioning teeth (11) is arranged at one end of the guide rod (10), a sliding iron core (13) is connected to the other end of the guide rod (10), the sliding iron core (13) is arranged in the electromagnetic coil (131) in a sliding mode, a second spring (14) is arranged between the positioning block (12) and the first rotating arm (2), the first positioning teeth (9) and the second positioning teeth (11) are positioned or separated through the electrification or outage control of the electromagnetic coil (131), and two conductive protection arms (15) are arranged on the cutting edge (4) through the rotation of a torsion spring, the natural position of the conductive protection arm (15) is located on the front side of the cutting edge (4), an insulating pad is arranged between the conductive protection arm (15) and the cutting edge (4), a battery (16) is arranged on the first rotating arm (2), an insulating rubber sleeve (17) is arranged on the handheld part (5), a conductive contact piece (18) is arranged on the outer side of the insulating rubber sleeve (17), the conductive protection arm (15) is connected with the positive electrode or the negative electrode of the battery (16) after being connected with the electromagnetic coil (131), the conductive contact piece (18) is connected with the other electrode of the battery (16), the second rotating arm (3) is separated from the cutting edge (4) and is in rotating connection, a third spring (21) and a light contact switch (22) are arranged between the cutting edge (4) and the second rotating arm (3), a winding motor (23) is arranged on the first rotating arm (2), the winding motor (23) is provided with a winding wheel (24), a pull rope (25) is connected between the winding wheel (24) and the second rotating arm (3), the light touch switch (22) is in contact with the cutting blade (4), the winding motor (23) is started, the second rotating arm (3) is provided with an adjusting bolt (26) in a penetrating mode, and the end portion of the adjusting bolt (26) is provided with the light touch switch (22).
2. An energy-saving pruning shear with protection architecture as claimed in claim 1, characterized in that: the power generation assembly (19) is arranged on the first rotating arm (2), a first gear (20) is connected to a rotating shaft of the power generation assembly (19) through a one-way bearing, the first gear (20) is in matched transmission with the first positioning teeth (9), and the battery (16) is connected with the power generation assembly (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358206.6A CN109197215B (en) | 2018-11-15 | 2018-11-15 | Energy-saving pruning shears with protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358206.6A CN109197215B (en) | 2018-11-15 | 2018-11-15 | Energy-saving pruning shears with protection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109197215A CN109197215A (en) | 2019-01-15 |
| CN109197215B true CN109197215B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811358206.6A Active CN109197215B (en) | 2018-11-15 | 2018-11-15 | Energy-saving pruning shears with protection structure |
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| Country | Link |
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| CN (1) | CN109197215B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207410855U (en) * | 2017-10-30 | 2018-05-29 | 包昊靖 | Shrub and hedge trimmer and pruning instrument |
| CN207885252U (en) * | 2017-12-25 | 2018-09-21 | 重庆市合川区特色经济作物发展指导站 | Shrub and hedge trimmer and its component |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020073834A (en) * | 2001-03-16 | 2002-09-28 | 서금윤 | Scissors |
| CN202292807U (en) * | 2011-10-13 | 2012-07-04 | 童宇晴 | Safety scissors for children |
| JP6032815B2 (en) * | 2013-03-28 | 2016-11-30 | スターテング工業株式会社 | Scissors with electric assist function |
| CN203434091U (en) * | 2013-08-30 | 2014-02-12 | 瑞立集团瑞安汽车零部件有限公司 | Double-coil energy-saving electromagnetic power supply switch |
| CN204540043U (en) * | 2015-01-29 | 2015-08-12 | 河南林业职业学院 | A kind of night special shrub and hedge trimmer |
-
2018
- 2018-11-15 CN CN201811358206.6A patent/CN109197215B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207410855U (en) * | 2017-10-30 | 2018-05-29 | 包昊靖 | Shrub and hedge trimmer and pruning instrument |
| CN207885252U (en) * | 2017-12-25 | 2018-09-21 | 重庆市合川区特色经济作物发展指导站 | Shrub and hedge trimmer and its component |
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| Publication number | Publication date |
|---|---|
| CN109197215A (en) | 2019-01-15 |
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Effective date of registration: 20200928 Address after: 312500 Shuizhu 13, Xishan Village, Juzhen, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: XINCHANG HUANHONG AGRICULTURAL Co.,Ltd. Address before: 310024 Jiulongshan 2-3-202, Jiazhaoye, Zhuantang Town, Xihu District, Hangzhou City, Zhejiang Province Applicant before: Huang Yekun |
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