CN112514675B - Electric shears double-blade driving mechanism and electric shears - Google Patents
Electric shears double-blade driving mechanism and electric shears Download PDFInfo
- Publication number
- CN112514675B CN112514675B CN202110038210.XA CN202110038210A CN112514675B CN 112514675 B CN112514675 B CN 112514675B CN 202110038210 A CN202110038210 A CN 202110038210A CN 112514675 B CN112514675 B CN 112514675B
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- blade
- driving
- upper blade
- electric
- rotating shaft
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- 238000010438 heat treatment Methods 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000010008 shearing Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Scissors And Nippers (AREA)
Abstract
The invention relates to the technical field of electric shears, in particular to a novel double-blade driving mechanism of an electric shears and an electric shears, which comprise a fixed block, an upper blade, a lower blade, a driving part and a connecting rod, wherein a first rotating shaft part and a second rotating shaft part are arranged on the fixed block, the upper blade and the lower blade rotate around the first rotating shaft part, the driving part rotates around the second rotating shaft part and can drive the upper blade and the lower blade to rotate in opposite directions respectively, the shearing speed of the upper blade is improved, the driving part and the upper blade are more compact in structure, the occupation position of useless gears is reduced by the cooperation of sector teeth, the cooperation stability with the lower blade can be ensured, the shearing speed can be improved, the occupation position of the useless gears can be reduced by the cooperation of sector teeth, and through the design, the whole structure design is simpler and more compact, the production and manufacturing difficulty is reduced, and the shearing speed is improved.
Description
Technical Field
The invention relates to the technical field of electric shears, in particular to a novel double-blade driving mechanism of electric shears and the electric shears.
Background
The electric shears are tools for pruning branches of orchards, gardens, vine plants and the like, and mainly comprise an upper blade, a lower blade, a gear component and an electric mechanism, wherein the electric mechanism drives the upper blade and the lower blade to rotate through the gear component so as to realize shearing action; at present, in order to realize the simultaneous driving of double knives, namely go up blade and lower blade and swing simultaneously and realize shearing action, all be provided with the rack of being connected in gear part at the rear portion of last blade and lower blade, behind the electric mechanism drive gear part, drive and go up blade and lower blade and rotate simultaneously, there are following several problems:
firstly, the matching requirement degree between teeth is high, the swing amplitude generated by the gears is small, and the shearing speed is not fast enough;
Secondly, when the teeth are meshed with the upper blade and the lower blade, the upper blade and the lower blade are considered to rotate in two opposite directions, so that the gear part is structurally designed to ensure that the upper blade and the lower blade can be driven to rotate in two different directions only by two directions, the gear part is complicated in structural design, and the production and processing difficulty is increased;
in the prior art, the distance from the rack to the rotating point of the blade is increased by lengthening the rear part of the blade, so that the shearing speed can be increased according to the lever principle, but after the torque is increased in the manner, the swing angle of the blade is limited, a larger gear part is needed to ensure the swing angle of the blade, and the tooth accommodating position when the gear part is not meshed with the rack is needed to be considered at the position of installing the gear part, so that the occupied area after installing the gear is large;
In the prior art, the racks of the upper blade and the lower blade are respectively meshed with two sides of the gear by adopting a single gear, and as the two sides of the gear face different directions respectively when the gear rotates, the upper blade and the lower blade can be driven to perform shearing action in two directions; in view of the foregoing, there is a need for further improvements to solve the foregoing problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel double-blade actuating mechanism of electric scissors, includes the fixed block, goes up blade, lower blade, drive component and connecting rod, is provided with first pivot spare and second pivot spare on the fixed block, goes up blade and lower blade and rotates around first pivot spare, and drive component rotates around second pivot spare, wherein:
Swing arms are respectively arranged at the front part of the driving part and the rear part of the upper blade, and two ends of the connecting rod are respectively and movably connected with the driving part and the swing arms of the upper blade; the front part of the driving part and the rear part of the lower blade are respectively provided with sector teeth, and the driving part and the lower blade are meshed with each other through the sector teeth; the rear part of the driving part is provided with a driving fluted disc.
Preferably, the rear parts of the upper blade and the lower blade are respectively provided with a first connecting through hole, the upper blade and the lower blade rotate through a rotating shaft part of the first connecting through Kong Raodi, the upper end of the first rotating shaft part is provided with a first blocking piece, and the upper blade and the lower blade are limited between the first blocking piece and the fixed block.
Preferably, the lower blade is provided with a first extension at a position between the fan tooth and the first connecting hole.
Preferably, the driving part comprises a swinging block and a gear part, the middle parts of the swinging block and the gear part are respectively provided with a second connecting through hole rotating around a second rotating shaft part, the swinging arm is arranged at the front part of the swinging block, the driving fluted disc is arranged at the rear part of the swinging block, the sector teeth are arranged at the front part of the gear part, the swinging block is positioned at the lower end and is provided with an inserting block, the rear part of the gear part is provided with a slot corresponding to the inserting block, and the swinging block and the gear part are mutually fixedly matched through the inserting block and the slot.
Preferably, a second lengthening part is arranged on the swing block at a position between the driving fluted disc and the second connecting through hole.
Preferably, the two ends of the connecting rod are respectively provided with a shaft pin, the tail end of the swing arm is provided with a shaft pin connecting hole, and the swing arm rotates around the shaft pin through the shaft pin connecting hole.
Preferably, the driving part and the swing arm of the upper blade are positioned on the same side, the swing arm of the driving part is inclined towards the rear, and the swing arm of the upper blade is inclined towards the front, so that the center distance of the two shaft pins is larger than the center distance of the first rotating shaft piece and the second rotating shaft piece.
Preferably, the upper blade is provided with a heating unit, the heating unit comprises a heating sheet, a thermocouple, a clearance plate, a power supply wire, a wire turning head and a protective cover, the thermocouple and the heating sheet are arranged on the upper blade, the clearance plate is arranged on the first rotating shaft piece and the second rotating shaft piece, the power supply wire is arranged on the clearance plate, the swing arm of the upper blade is outwards extended to be provided with a mounting hole site, the wire turning head is movably arranged on the mounting hole site, the protective cover is arranged on the upper blade and covers the wire turning head, the power supply wire is electrically connected with the wire turning head, the wire turning head is electrically connected with the thermocouple, and the thermocouple is electrically connected with the heating sheet.
The utility model provides a novel electric scissors of two sword drive of electric scissors, includes novel electric scissors double knives actuating mechanism, still includes electric mechanism, electric mechanism and fixed block fixed connection, electric mechanism's drive end and drive fluted disc power connection.
Compared with the prior art, the invention has the following beneficial effects:
The swing arm and the connecting rod are matched in a rotating way to drive the upper blade, the fan teeth are meshed to drive the lower blade, the swing arm and the fan teeth on the swing block rotate in the same direction after the swing block is driven by the driving fluted disc, the upper blade and the lower blade can be driven to rotate in opposite directions respectively, the shearing speed of the upper blade is improved, the driving part and the upper blade are matched in structure more compactly, the occupied position of the useless gear is reduced by the matching of the fan teeth, the matching stability with the lower blade can be ensured, the shearing speed can be improved, the structure design can be more compacter, the occupied position of the useless gear is reduced by the matching of the fan teeth, and the whole structure design is simpler and compacter, the production and manufacturing difficulty is reduced, and the shearing speed is improved.
Drawings
FIG. 1 is a schematic view of a dual knife drive mechanism of a novel electric shears according to the present invention;
FIG. 2 is an exploded view of the structure of a novel double-blade drive mechanism of the electric shears according to the present invention;
FIG. 3 is a schematic view of a dual-blade driven electric shears according to the present invention;
fig. 4 is a schematic structural view of the present invention.
Reference numerals and names in the drawings are as follows:
1-swing arm, 2-sector gear, 3-electric mechanism, 4-axle pin connecting hole, 10-fixed block, 20-upper blade, 30-lower blade, 40-driving part, 50-connecting rod, 60-heating unit, 11-first rotating shaft piece, 12-second rotating shaft piece, 31-first extension, 41-swing block, 42-gear piece, 51-axle pin, 61-heating piece, 62-thermocouple, 63-power supply wire, 64-avoidance plate, 65-rotating wire head, 66-protection cover, 67-installation hole site, 411-plug block, 412-driving fluted disc, 413-second extension.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a novel dual-blade driving mechanism for an electric scissors includes a fixed block 10, an upper blade 20, a lower blade 30, a driving component 40 and a connecting rod 50, wherein a first rotating shaft member 11 and a second rotating shaft member 12 are disposed on the fixed block 10, the upper blade 20 and the lower blade 30 rotate around the first rotating shaft member 11, and the driving component 40 rotates around the second rotating shaft member 12, wherein:
Swing arms 1 are respectively arranged at the front part of the driving part 40 and the rear part of the upper blade 20, and two ends of a connecting rod 50 are respectively and movably connected with the driving part 40 and the swing arms 1 of the upper blade 20; the front part of the driving part 40 and the rear part of the lower blade 30 are respectively provided with the sector teeth 2, and the driving part 40 and the lower blade 30 are engaged with each other through the sector teeth 2; the rear of the driving part 40 is provided with a driving toothed disc 412.
In the above technical means, by arranging the fixing block 10, the upper blade 20, the lower blade 30, the driving part 40 and the connecting rod 50, wherein the driving fluted disc 412 is used for driving the driving part 40 to rotate, the upper blade 20 is movably connected with the driving part 40 through the connecting rod 50, the lower blade 30 is movably connected with the driving part 40 through the sector gear 2, when the driving part 40 rotates, the swing arm 1 on the driving part 40 drives the connecting rod 50 to move, thereby driving the swing arm 1 on the upper blade 20 to swing, and further driving the upper blade 20 to rotate along the first rotating shaft element 11, and at the same time, the rotation of the driving part 40 drives the sector gear 2 on the driving part 40 to rotate, so that the lower blade 30 rotates along the first rotating shaft element 11, thereby completing the shearing action, by the design, the cooperation of the connecting rod 50 and the swing arm 1 can not reduce the swing amplitude of the upper blade 20, but also can improve the shearing speed of the upper blade 20, and the improvement of the shearing speed is realized according to the increase of the swing amplitude of the swing arm relative to the gear, the structure is simple, and the manufacturing difficulty can be reduced; the lower blade 30 and the driving part 40 are driven by the sector gear 2, so that the occupation position of useless teeth in operation is reduced, the structure is firmer and more compact, and the service life is prolonged.
Further, as shown in fig. 2, the rear parts of the upper blade 20 and the lower blade 30 are provided with first connecting through holes (not shown), the upper blade 20 and the lower blade 30 are rotated by a first connecting through Kong Raodi a rotating shaft member 11, the upper end of the first rotating shaft member 11 is provided with a first blocking piece (not shown), and the upper blade 20 and the lower blade 30 are limited between the first blocking piece and the fixed block 10, so that the shearing fit of the upper blade 20 and the lower blade 30 is realized.
As further shown in fig. 2, the lower blade 30 is provided with a first extension 31 at a position between the sector tooth 2 and the first connecting hole; the shear rate of the lower blade 30 is increased.
Further as shown in fig. 2, the driving part 40 includes a swinging block 41 and a gear member 42, the middle parts of the swinging block 41 and the gear member 42 are respectively provided with a second connection through hole rotating around the second rotating shaft member 12, the swinging arm 1 is arranged at the front part of the swinging block 41, the driving fluted disc 412 is arranged at the rear part of the swinging block 41, the sector gear 2 is arranged at the front part of the gear member 42, the swinging block 41 is arranged at the lower end and is provided with an inserting block 411, the rear part of the gear member 42 is provided with an inserting slot 421 corresponding to the inserting block 411, the swinging block 41 and the gear member 42 are mutually fixedly matched through the inserting block 411 and the inserting slot 421, and the assembling difficulty can be reduced by arranging the driving part 40 into the swinging block 41 and the gear member 42.
Further as shown in fig. 2, a second extension 413 is disposed on the swing block 41 between the driving gear plate 412 and the second connection through hole, so as to reduce the driving resistance to the driving gear plate 412.
Further, as shown in fig. 2, the two ends of the connecting rod 50 are respectively provided with a shaft pin 51, the tail end of the swing arm 1 is provided with a shaft pin connecting hole 4, and the swing arm 1 rotates around the shaft pin 51 through the shaft pin connecting hole 4.
Further, as shown in fig. 2, the driving part 40 and the swing arm 1 of the upper blade 20 are located at the same side, the swing arm 1 of the driving part 40 is inclined backward, and the swing arm 1 of the upper blade 20 is inclined forward, so that the center distance between the two shaft pins 51 is larger than the center distance between the first rotating shaft element 11 and the second rotating shaft element 12, and by this design, the two swing arms 1 can be prevented from collision or the swing amplitude of the upper blade 20 is limited.
As further shown in fig. 1 to 4, the upper blade 20 is provided with a heating unit 60, the heating unit 60 comprises a heating plate 61, a thermocouple 62, a spacer plate 64, a power supply wire 63, a wire turning head 65 and a protective cover 66, the thermocouple 62 and the heating plate 61 are mounted on the upper blade 20, the spacer plate 64 is mounted on the first rotating shaft member 11 and the second rotating shaft member 12, the power supply wire 63 is mounted on the spacer plate 64, the swing arm 1 of the upper blade 20 is extended outwards to form a mounting hole 67, the wire turning head 65 is movably mounted on the mounting hole 67, the protective cover 66 is mounted on the upper blade 20 and covers the wire turning head 65, the power supply wire 63 is electrically connected to the wire turning head 65, the wire turning head 65 is electrically connected to the thermocouple 62, and the thermocouple 62 is electrically connected to the heating plate 61; when the branches are trimmed, the cutting edge can be subjected to high-temperature treatment, so that the disinfection and sterilization effects are realized.
The novel electric scissors driven by double knives of the electric scissors comprises a novel electric scissors double-knife driving mechanism and further comprises an electric mechanism 3, wherein the electric mechanism 3 is fixedly connected with a fixed block 10, and the driving end of the electric mechanism 3 is in power connection with a driving fluted disc 412; the drive end of the electric mechanism 3 may be an electric gear or other mechanism capable of engaging the drive toothed disc 412 to rotate the drive member 40.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an electric shears double knives sword actuating mechanism, its characterized in that includes the fixed block, goes up blade, lower blade, drive part and connecting rod, is provided with first pivot spare and second pivot spare on the fixed block, goes up blade and lower blade and rotates around first pivot spare, and drive part rotates around second pivot spare, wherein:
swing arms are respectively arranged at the front part of the driving part and the rear part of the upper blade, and two ends of the connecting rod are respectively and movably connected with the driving part and the swing arms of the upper blade; the front part of the driving part and the rear part of the lower blade are respectively provided with sector teeth, and the driving part and the lower blade are meshed with each other through the sector teeth; the rear part of the driving part is provided with a driving fluted disc;
The driving part comprises a swinging block and a gear piece, the middle parts of the swinging block and the gear piece are respectively provided with a second connecting through hole rotating around a second rotating shaft piece, the swinging arm is arranged at the front part of the swinging block, the driving fluted disc is arranged at the rear part of the swinging block, the sector teeth are arranged at the front part of the gear piece, the swinging block is positioned at the lower end and is provided with an inserting block, the rear part of the gear piece is provided with a slot corresponding to the inserting block, and the swinging block and the gear piece are mutually fixedly matched through the inserting block and the slot;
The two ends of the connecting rod are respectively provided with a shaft pin, the tail end of the swing arm is provided with a shaft pin connecting hole, and the swing arm rotates around the shaft pin through the shaft pin connecting hole;
the driving part and the swing arm of the upper blade are positioned on the same side, the swing arm of the driving part is inclined towards the rear, and the swing arm of the upper blade is inclined towards the front, so that the center distance of the two shaft pins is larger than the center distance of the first rotating shaft piece and the second rotating shaft piece.
2. The double-blade driving mechanism of an electric shear according to claim 1, wherein the rear parts of the upper blade and the lower blade are provided with first connecting through holes, the upper blade and the lower blade are rotated by a rotating shaft member through first connecting holes Kong Raodi, the upper end of the first rotating shaft member is provided with a first blocking piece, and the upper blade and the lower blade are limited between the first blocking piece and the fixed block.
3. The double-blade driving mechanism of an electric scissors according to claim 2, wherein the lower blade is provided with a first extension portion at a position between the sector tooth and the first connecting hole.
4. The double-blade driving mechanism of an electric shear according to claim 1, wherein the swinging block is provided with a second extension portion at a position between the driving fluted disc and the second connecting through hole.
5. The electric shear double-blade driving mechanism according to claim 1, wherein the upper blade is provided with a heating unit, the heating unit comprises a heating piece, a thermocouple, a position avoiding plate, a power supply wire, a wire rotating head and a protective cover, the thermocouple and the heating piece are installed on the upper blade, the position avoiding plate is installed on the first rotating shaft piece and the second rotating shaft piece, the power supply wire is installed on the position avoiding plate, the swing arm of the upper blade is outwards extended to be provided with a mounting hole site, the wire rotating head is movably installed on the mounting hole site, the protective cover is installed on the upper blade and covers the wire rotating head, the power supply wire is electrically connected to the wire rotating head, the wire rotating head is electrically connected to the thermocouple, and the thermocouple is electrically connected to the heating piece.
6. The electric shears driven by the double knives of the electric shears is characterized by comprising the double knives driving mechanism of the electric shears according to any one of claims 1 to 5 and further comprising an electric mechanism, wherein the electric mechanism is fixedly connected with the fixed block, and the driving end of the electric mechanism is in power connection with the driving fluted disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110038210.XA CN112514675B (en) | 2021-01-12 | 2021-01-12 | Electric shears double-blade driving mechanism and electric shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110038210.XA CN112514675B (en) | 2021-01-12 | 2021-01-12 | Electric shears double-blade driving mechanism and electric shears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112514675A CN112514675A (en) | 2021-03-19 |
| CN112514675B true CN112514675B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110038210.XA Active CN112514675B (en) | 2021-01-12 | 2021-01-12 | Electric shears double-blade driving mechanism and electric shears |
Country Status (1)
| Country | Link |
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| CN (1) | CN112514675B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216982594U (en) * | 2022-02-11 | 2022-07-19 | 天长市仁隆机械有限公司 | Working head of double-blade grass trimmer |
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| Publication number | Publication date |
|---|---|
| CN112514675A (en) | 2021-03-19 |
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