CN112106542A - Electric pruning shears - Google Patents
Electric pruning shears Download PDFInfo
- Publication number
- CN112106542A CN112106542A CN202010751603.0A CN202010751603A CN112106542A CN 112106542 A CN112106542 A CN 112106542A CN 202010751603 A CN202010751603 A CN 202010751603A CN 112106542 A CN112106542 A CN 112106542A
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- China
- Prior art keywords
- blade
- assembly
- plate body
- electric pruning
- pruning shears
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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 discloses an electric pruning shear, which comprises a shell, a driving assembly, a supporting frame and a shearing assembly, wherein the driving assembly is arranged in the shell, the shearing assembly is arranged on the supporting frame, the driving assembly comprises a pinion, the shearing assembly comprises a first blade assembly, a second blade assembly and a supporting shaft penetrating through the supporting frame, the supporting frame is provided with a plate body protruding forwards and openings penetrating through two sides of the plate body, the first blade assembly and the second blade assembly are clamped on two sides of the plate body through the supporting shaft, and the pinion is arranged in the openings and protrudes out of two sides of the plate body so as to drive the first blade assembly and the second blade assembly to move mutually. Is beneficial to prolonging the service life of the electric pruning shears and realizing miniaturization.
Description
[ technical field ]
The invention relates to the field of electric tools, in particular to electric pruning shears capable of realizing double-cutter linkage.
[ background art ]
The electric pruning shears are widely used for pruning branches, and the commonly used electric pruning shears adopt a single-blade driving mode, please refer to the chinese utility model CN201563409U to disclose a single-blade driven electric pruning shears, in which a fixed blade is fixed on a housing on one side, a movable blade can be driven by a motor, and the movable blade can be limited on the fixed blade in a relative back and forth movement. Because only one blade is moving, the shearing efficiency is low.
In order to save the trimming time, please refer to the chinese patent application CN111066513A to disclose a double-blade linkage electric pruning shear, which is an improvement of the above structure, the electric pruning shear adopts upper and lower blades simultaneously driven by upper and lower oscillating teeth to do the shearing motion, but the upper and lower blades and the upper and lower oscillating teeth disclosed in the above patent application are limited in two side walls of the U-shaped supporting frame, not only the volume of the electric pruning shear is increased, but also the two outer side walls of the U-shaped supporting frame adopted in the above structure have relatively weak strength, when the gap between the upper and lower blades is adjusted, the two outer side walls have the defect of deformation, thereby affecting the service life of the product. There is still room for improvement in the electric pruning shears.
[ summary of the invention ]
In order to solve the above problems, the present invention provides a small electric pruning shears with a prolonged service life.
In order to solve the technical problems, the invention adopts the following technical scheme: an electric pruning shears comprising: the utility model provides a plate body, including shell, install drive assembly, support frame in the shell and install in shear assembly on the support frame, drive assembly includes motor and motor drive's pinion, shear assembly include first blade subassembly, second blade subassembly and run through set up in back shaft on the support frame, the support frame has the plate body of stretching forward and runs through the opening of plate body both sides, first blade subassembly passes through back shaft centre gripping in plate body both sides with second blade subassembly, just the pinion sets up in the both sides of opening and protrusion in the plate body, with the simultaneous drive first blade subassembly and second blade subassembly reciprocal motion.
The further improvement scheme is as follows: the supporting frame is provided with a base body connected with the plate body, the base body is fixedly arranged at the front end of the motor, and the base body is provided with an accommodating hole communicated with the opening and used for accommodating part of the pinion.
The further improvement scheme is as follows: the first blade assembly comprises a first blade and a first swing tooth which is synchronously and rotatably connected with the first blade, the second blade assembly comprises a second blade and a second swing tooth which is synchronously and rotatably connected with the second blade, and the first swing tooth and the second swing tooth are respectively meshed with the pinion.
The further improvement scheme is as follows: the shearing assembly further comprises a nut connected with the external thread, and the first blade assembly and the second blade assembly are abutted to two sides of the supporting frame by the nut.
The further improvement scheme is as follows: the first blade and the first swing teeth of the first blade assembly are sleeved on the support shaft, and the first blade assembly is also provided with a first locking pin which is arranged on the periphery of the support shaft and simultaneously penetrates through the first blade and the first swing teeth; the second blade and the second swing teeth are sleeved on the supporting shaft, and the second blade component is further provided with a second locking pin which is arranged on the periphery of the supporting shaft and penetrates through the second blade and the second swing teeth simultaneously.
The further improvement scheme is as follows: the meshing parts of the first swing tooth, the second swing tooth and the pinion are contained in the shell.
The further improvement scheme is as follows: at least one bearing is arranged in the containing hole of the base body, and the pinion is supported on the bearing.
The further improvement scheme is as follows: the base body is provided with an external thread, and the base body is fixedly held at the front end of the motor through the external thread.
The further improvement scheme is as follows: the plate body is step-shaped, namely the thickness of the front end of the plate body is smaller than that of the rear end of the plate body, and the first blade assembly and the second blade assembly are arranged on two sides of the front end of the plate body.
The further improvement scheme is as follows: the electric pruning shears further comprise a lithium battery pack inserted at the rear end of the shell, and the rear end of the lithium battery pack is provided with a plane perpendicular to the axis of the motor.
Compared with the prior art, the invention has the following beneficial effects: the first blade component and the second blade component are limited on two sides of the support frame, the strength of combination of the two movable blades and the support frame is improved, the service life is prolonged, the electric pruning shear is miniaturized, and the support frame is provided with openings penetrating through two sides of the plate body, so that the pinion can drive the two movable blades to rotate simultaneously.
[ description of the drawings ]
FIG. 1 is a perspective view of an electric pruning shear according to the present invention;
FIG. 2 is a partial perspective view of FIG. 1;
fig. 3 is an exploded view of fig. 2.
Fig. 4 is a partial perspective view of fig. 3.
FIG. 5 is a perspective view of the supporting frame of the electric pruning shears according to the present invention.
Fig. 6 is a cross-sectional view of fig. 2.
[ detailed description of the invention ]
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1 to 2, an electric pruning shear 100 of the present invention includes: the tree pruning machine comprises a shell 7, a lithium battery pack 9 inserted into the shell 7, a driving assembly installed in the shell 7, a support frame 3 and a shearing assembly installed on the support frame 3, wherein the driving assembly comprises a motor 8 and a pinion 5 driven by the motor 8, the shearing assembly comprises a first blade assembly 1, a second blade assembly 2 and a support shaft 4 arranged on the support frame 3 in a penetrating mode, the pinion 5 drives the first blade assembly 1 and the second blade assembly 2 to move mutually, and the first blade assembly 1 and the second blade assembly 2 move back and forth between an opening position and a closing position to shear tree branches.
The output direction of the electric pruning shears 100 is defined as the front direction, the lithium battery pack 9 is inserted into the rear end of the shell 7, so that the gravity center of the electric pruning shears 100 faces the rear end, the rear end of the lithium battery pack 9 is provided with a plane 9a perpendicular to the axis of the motor 8, and after the pruning work is finished, an operator can erect the electric pruning shears 100 on a working plane along the plane 9a and the electric pruning shears are not easy to fall.
Referring to fig. 3 to 6, the supporting frame 3 has a plate 32 protruding forward, an opening 31 penetrating through two sides of the plate, and a base 33 connecting the plate 32; the plate body 32 is step-shaped, that is, the thickness of the front end of the plate body 32 is smaller than that of the rear end, which is beneficial to thinning the product, and the first blade assembly 1 and the second blade assembly 2 are arranged on the two sides of the front end of the plate body 32, and the thickness of the plate body 32 increases towards the rear end, which is beneficial to forming the stable support of the support frame 3 to the cutting assembly, so that the strength of the electric pruning shear 100 is enhanced, and the service life is prolonged; the base 33 is provided with an external thread, the base 33 is fixed at the front end of the motor 8 through the external thread, the base 33 is provided with an accommodating hole 34 communicated with the opening 31, at least one bearing 33a is arranged in the accommodating hole 34, three bearings 33a are arranged in the accommodating hole 34 in the embodiment, the pinion 5 is arranged in the opening 31 and supported on the bearings 33a, and the pinion 5 protrudes out of two sides of the plate 32.
The first blade assembly 1 and the second blade assembly 2 are clamped on two sides of the plate body 32 through the supporting shaft 4. The first blade assembly 1 comprises a first blade 10 abutting against the support frame 3 and a first oscillating tooth 11 abutting against the other side of the first blade 10. The first blade 10 and the first swing tooth 11 are both sleeved on the support shaft 4, and the first blade assembly 1 further has a first locking pin 12 which is arranged on the periphery of the support shaft 4 and simultaneously penetrates through the first blade 10 and the first swing tooth 11, so that the first blade 10 and the first swing tooth 11 rotate around the support shaft 4 together. Similarly, the second blade assembly 2 includes a second blade 20 attached to the support frame 3 and a second swing tooth 21 attached to the other side of the second blade 20, the second blade 20 and the second swing tooth 21 are both sleeved on the support shaft 4, and the second blade assembly 2 further has a second locking pin 22 disposed around the support shaft 4 and penetrating through the second blade 20 and the second swing tooth 21, so that the second blade 20 and the second swing tooth 21 rotate around the support shaft 4 together. The first swing tooth 11 and the second swing tooth 21 are arranged oppositely, one side of the pinion 5 is meshed with and drives the first swing tooth 11, and the other side of the pinion 5 is meshed with and drives the second swing tooth 21; the meshing parts of the first swing tooth 11 and the second swing tooth 21 and the pinion 5 are accommodated in the housing 7. The two movable blades are arranged on the two sides of the support frame 3, so that the combination strength of the two movable blades and the support frame 3 is improved, the service life is prolonged, and the electric pruning shear 100 is beneficial to miniaturization.
The supporting shaft 4 is provided with a limiting step 41 arranged at one end and an external thread 42 arranged at the other end, the electric pruning shears 100 further comprises a nut 6 connected with the external thread 42 of the supporting shaft 4, and after the nut 6 is rotationally connected to the external thread 42, the first blade assembly 1 and the second blade assembly 2 are limited at two sides of the supporting frame 3. And the distance between the first blade component 1 and the second blade component 2 can be adjusted by adjusting the tightness of the nut 6.
The double-blade linkage design of the electric pruning shears 100 replaces the U-shaped support frame in the existing design with the support frame 3 provided with the plate body 32 protruding forwards, so that the problem that the strength of two outer side walls in the U-shaped support frame is relatively weak is solved, and the problem that the size of the U-shaped support frame is too large is also solved. The two side walls of the U-shaped support frame in the prior design are pressed tightly by bolts when blade gaps are adjusted, and have the defects of deformation and even damage, but the first blade component 1 and the second blade component 2 of the U-shaped support frame are limited at the two sides of the support frame 3, so that the combination strength of the two blades and the support frame 3 is improved, the service life is prolonged, and meanwhile, the support frame 3 is positioned between the two blades, so that the miniaturization of the electric pruning shears 100 is facilitated; and the supporting frame 3 is provided with openings penetrating through two sides of the plate body 32, so that the pinion 5 can simultaneously drive the two movable blades to rotate.
The present invention is not limited to the above-mentioned embodiments, and the scope of the present invention is defined by the content of the claims.
Claims (10)
1. An electric pruning shears comprising: the shell, install drive assembly, support frame in the shell and install in shear assembly on the support frame, drive assembly includes motor and motor drive's pinion, shear assembly include first blade subassembly, second blade subassembly and run through set up in back shaft on the support frame, its characterized in that: the support frame has the plate body that stretches protruding forward and runs through the opening of plate body both sides, first blade subassembly and second blade subassembly pass through the back shaft centre gripping in plate body both sides, just the pinion sets up in the opening and protrusion in the both sides of plate body to drive simultaneously first blade subassembly and second blade subassembly alternate motion.
2. The electric pruning shears according to claim 1, wherein: the supporting frame is provided with a base body connected with the plate body, the base body is fixedly arranged at the front end of the motor, and the base body is provided with an accommodating hole communicated with the opening and used for accommodating part of the pinion.
3. The electric pruning shears according to claim 2, wherein: the first blade assembly comprises a first blade and a first swing tooth which is synchronously and rotatably connected with the first blade, the second blade assembly comprises a second blade and a second swing tooth which is synchronously and rotatably connected with the second blade, and the first swing tooth and the second swing tooth are respectively meshed with the pinion.
4. The electric pruning shears according to claim 3, wherein: the shearing assembly further comprises a nut connected with the external thread, and the first blade assembly and the second blade assembly are abutted to two sides of the supporting frame by the nut.
5. The electric pruning shears according to claim 3, wherein: the first blade and the first swing teeth of the first blade assembly are sleeved on the support shaft, and the first blade assembly is also provided with a first locking pin which is arranged on the periphery of the support shaft and simultaneously penetrates through the first blade and the first swing teeth; the second blade and the second swing teeth are sleeved on the supporting shaft, and the second blade component is further provided with a second locking pin which is arranged on the periphery of the supporting shaft and penetrates through the second blade and the second swing teeth simultaneously.
6. The electric pruning shears of claim 5, wherein: the meshing parts of the first swing tooth, the second swing tooth and the pinion are contained in the shell.
7. The electric pruning shears according to claim 2, wherein: at least one bearing is arranged in the containing hole of the base body, and the pinion is supported on the bearing.
8. The electric pruning shears of claim 7, wherein: the base body is provided with an external thread, and the base body is fixedly held at the front end of the motor through the external thread.
9. The electric pruning shears according to claim 1, wherein: the plate body is step-shaped, namely the thickness of the front end of the plate body is smaller than that of the rear end of the plate body, and the first blade assembly and the second blade assembly are arranged on two sides of the front end of the plate body.
10. The electric pruning shears according to claim 1, wherein: the electric pruning shears further comprise a lithium battery pack inserted at the rear end of the shell, and the rear end of the lithium battery pack is provided with a plane perpendicular to the axis of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751603.0A CN112106542A (en) | 2020-07-30 | 2020-07-30 | Electric pruning shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751603.0A CN112106542A (en) | 2020-07-30 | 2020-07-30 | Electric pruning shears |
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| Publication Number | Publication Date |
|---|---|
| CN112106542A true CN112106542A (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010751603.0A Pending CN112106542A (en) | 2020-07-30 | 2020-07-30 | Electric pruning shears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112106542A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112514673A (en) * | 2020-12-24 | 2021-03-19 | 东莞市嘉航实业有限公司 | Electric scissors blade bidirectional driving mechanism and electric scissors |
| CN114747379A (en) * | 2022-05-27 | 2022-07-15 | 山东咚阳园林机械有限公司 | Long-endurance electric pruning shear capable of instantly enhancing shearing force, preventing tooth jumping and avoiding damage to bark |
-
2020
- 2020-07-30 CN CN202010751603.0A patent/CN112106542A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112514673A (en) * | 2020-12-24 | 2021-03-19 | 东莞市嘉航实业有限公司 | Electric scissors blade bidirectional driving mechanism and electric scissors |
| KR20220092347A (en) * | 2020-12-24 | 2022-07-01 | 둥관 코햄 인더스트리얼 컴퍼니 리미티드 | Electric scissor blade bi-directional driving apparatus and electric scissors |
| JP2022101437A (en) * | 2020-12-24 | 2022-07-06 | 東莞市嘉航実業有限公司 | Bidirectional drive mechanism of blades of electric scissors and electric scissors |
| KR102595738B1 (en) * | 2020-12-24 | 2023-10-27 | 둥관 코햄 인더스트리얼 컴퍼니 리미티드 | Electric scissor blade bi-directional driving apparatus and electric scissors |
| JP7455091B2 (en) | 2020-12-24 | 2024-03-25 | 東莞市嘉航実業有限公司 | Two-way drive mechanism for electric scissor blades and electric scissors |
| CN114747379A (en) * | 2022-05-27 | 2022-07-15 | 山东咚阳园林机械有限公司 | Long-endurance electric pruning shear capable of instantly enhancing shearing force, preventing tooth jumping and avoiding damage to bark |
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