CN106305166A - Low-branch scissors - Google Patents
Low-branch scissors Download PDFInfo
- Publication number
- CN106305166A CN106305166A CN201610917278.4A CN201610917278A CN106305166A CN 106305166 A CN106305166 A CN 106305166A CN 201610917278 A CN201610917278 A CN 201610917278A CN 106305166 A CN106305166 A CN 106305166A
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- CN
- China
- Prior art keywords
- ball screw
- low
- drive mechanism
- secateurs
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
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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 a pair of low-branch scissors and relates to the field of equipment for trimming of a garden. The pair of low-branch scissors comprises a casing as well as a blade mechanism, a transmission mechanism and a drive mechanism which are arranged in the casing, wherein one end of the transmission mechanism is in transmission connection with the drive mechanism, and the other end of the transmission mechanism is in transmission connection with the blade mechanism; the blade mechanism comprises an upper blade and a lower blade which are rotationally connected, and a blade locking gear and an anti-rotating spring piece which are matched with each other are arranged in the connecting position of the upper blade and the lower blade; the transmission mechanism comprises a ball screw and a ball screw nut nested on the ball screw; the ball screw and the drive mechanism are in universal connection, a bearing block and a bearing block support which are matched mutually are arranged in the connection position, and the bearing block is arranged in the bearing block support and can swing in the bearing block support. The service life of the blades can be prolonged within a certain wear range by adjusting the travel of the upper blade, and the blades are simpler and more convenient to replace; the problem of high probability of breakage of the ball screw of the transmission mechanism is solved by the aid of the design of the swingable bearing block, and accordingly, the low-branch scissors are more durable and practical.
Description
Technical field
The present invention relates to gardens pruning apparatus field, particularly relate to a kind of low secateurs.
Background technology
Electronic low secateurs cutter is as a kind of gardens class instrument, its low-profile, easy to carry, is a kind of when gardening pruning
Conventional instrument.This type of electronic low secateurs cutter comprises a movable blades and a fixing blade, and fixing blade is fixedly installed in
In casing, movable blades is rotatably connected at fixing blade, and movable blades is driven by drive mechanism by motor and makees
Reciprocally swinging, thus implement shear action.
On the one hand, during low secateurs uses, fixing blade mainly undertakes supporting role, and movable blades undertakes cutting and makees
With, and the blade angle of movable blades is little, and therefore movable blades is easier abrasion, and movable blades edge wear will affect
Cutting efficiency and cutting effect, therefore it is frequently necessary to adjust or change, when changing movable blades, need to take apart casing, change
Work bothers very much；On the other hand, low secateurs needs the drive mechanism that rotates through of motor is converted into work in the course of the work
Linear reciprocating motion required for cutting blade, in this conversion process, the push rod existence being connected with movable blades swings up and down
Phenomenon, therefore under the conditions of prior art, exist and connect that the ball screw of push rod is easily broken off, machine line is more was producing
Journey efficiency of assembling is low and the problem that is easily damaged circuit.
A kind of electric pruner as disclosed in Chinese invention patent 201110206360.3, cutter comprises casing, accommodates
Motor in casing, drive mechanism, movable blades and fixing blade extend from casing front end, and wherein, fixing blade is fixed
Be installed in casing, movable blades is driven by motor and is rotatably connected to by an axle fix on blade.Therefore,
Simple and convenient in the urgent need to designing the replacing of a movable blades, preferably without pulling down any one part, and can also solve
Certainly the ball screw on drive mechanism is easily broken off and machine line is more low at production process efficiency of assembling and is easily damaged line
The problem on road.
Summary of the invention
One, to solve the technical problem that
It is an object of the invention to for the problems referred to above existing for prior art, a kind of drive mechanism ball screw of special offer
Not easy fracture, more durable low secateurs, to overcome the problem that in prior art, the service life of low secateurs is not grown；The present invention is also
Overcome that blade exchange in prior art gets up loaded down with trivial details time-consuming and uses serious wear, the more efficiency of assembling of circuit is low and holds
The problem of fragile circuit.
Two, technical scheme
For solving above-mentioned technical problem, the present invention provides a kind of low secateurs to include: casing, and the cutter being arranged in casing
Sheet mechanism, drive mechanism and drive mechanism, one end of drive mechanism is in transmission connection with drive mechanism, and the other end passes with blade mechanisms
It is dynamically connected；Blade mechanisms includes top cutter and the bottom knife being rotationally connected, and the junction of top cutter and bottom knife is provided with mutually
The blade locking gear coordinated and anti-turn spring sheet；Drive mechanism includes ball screw and the ball wire being sleeved on ball screw
Stem nut；Universal between ball screw with drive mechanism it is connected, and is provided with the bearing block cooperated and bearing in junction
Seat support, bearing bracket is fixed at the inwall of casing, and bearing block is installed in bearing bracket and can prop up at this bearing block
Swing in frame；Ball screw nut is connected with top cutter, is used for driving top cutter and bottom knife generation relative motion, and low secateurs connects
Behind energising source, by drive mechanism to drive mechanism, the rotation of motor is converted into the linear reciprocating motion required for low secateurs, so
Rear drive top cutter opening and closing movement.
Wherein, the outer wall of bearing block is provided with symmetrical two rotating shaft, and bearing bracket is provided with corresponding rotating shaft
Shaft hole, rotating shaft is installed in shaft hole so that bearing block can be around this shaft swing.
Wherein, anti-turn spring sheet is provided with fixed part and has resilient tight lock part, and fixed part is fixing with bottom knife to be connected,
Tight lock part engages with blade locking gear, is used for limiting this blade locking gear one-directional rotation, and anti-turn spring sheet is additionally provided with slotting
The location division being connected in bottom knife.
Wherein, being provided with back-moving spring, section magnetism and regulation screw in ball screw nut, section magnetism is arranged at multiple
Between position spring, regulation screw, screwing in the length of ball screw nut by changing regulation screw, adjustable stroke Magnet is in rolling
Position in ballscrew nut.
Wherein, the magnetic receiver for installing section magnetism, one end of magnetic receiver and tune it are additionally provided with in ball screw nut
Joint screw abuts against, and the other end abuts against with back-moving spring, and the other end of magnetic receiver is provided with the spring base playing the guiding role.
Wherein, described casing includes upper casing and the lower casing mutually connected, described blade mechanisms, drive mechanism and driving
Mechanism is positioned at described upper casing and the space of lower casing formation；The first Plug pin patch bay it is fixed with in described lower casing, described first
Being provided with first group of contact pin in Plug pin patch bay, described drive mechanism is fixedly connected with the second Plug pin patch bay, sets in described second Plug pin patch bay
It is equipped with second group of contact pin.
Three, beneficial effects of the present invention
Compared with prior art, the low secateurs of the present invention has a following plurality of advantages:
(1) can be by regulation top cutter stroke, prolongation blade service life in certain wear range, and blade is more
Change simple and convenient；
(2) problem that the design of swingable bearing block overcomes drive mechanism ball screw easy fracture is utilized so that low branch
Cut more durable in use；
(3) make each assembly become independent overall by modular design, there is no the connection of complexity, improve production efficiency
And product stability.
Accompanying drawing explanation
Fig. 1 is the low secateurs overall structure schematic diagram of the present invention；
Fig. 2 is the blade mechanisms structural representation of the present invention；
Fig. 3 is the drive mechanism structural representation of the present invention；
In figure: 1 is casing；2 is blade mechanisms；3 is drive mechanism；4 is drive mechanism；5 is top cutter；6 is bottom knife；
7 is locking gear；8 is anti-turn spring sheet；9 is ball screw；10 is ball screw nut；11 is bearing block；12 is bearing block
Support；13 is rotating shaft；14 is shaft hole；15 is fixed part；16 is tight lock part；17 is location division；18 is back-moving spring；19 is row
Journey Magnet；20 is regulation screw；21 is magnetic receiver；22 is spring base；23 is push rod；24 is push rod oil sealing；25 is clicking section；26
For upper casing；27 is lower casing；28 is the first Plug pin patch bay；29 is first group of contact pin；30 is the second Plug pin patch bay；31 are second group inserts
Pin.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but can not be used for limiting the scope of the present invention.
The structure of the low secateurs of the embodiment of the present invention includes as shown in Figure 1 to Figure 3: casing 1, and is arranged in casing 1
Blade mechanisms 2, drive mechanism 3 and drive mechanism 4, one end of drive mechanism 3 is in transmission connection with drive mechanism 4, the other end with
Blade mechanisms 2 is in transmission connection；Blade mechanisms 2 includes top cutter 5 and the bottom knife 6 being rotationally connected, top cutter 5 and described bottom knife
The junction of 6 is provided with the blade locking gear 7 and anti-turn spring sheet 8 cooperated；Drive mechanism 3 includes ball screw 9 He
It is sleeved on the ball screw nut 10 on described ball screw 9；Universal between ball screw 9 with drive mechanism 4 it is connected, and even
The place of connecing is provided with the bearing block 11 and bearing bracket 12 cooperated, and bearing bracket 12 is fixed at the inwall of casing 1, axle
In bearing 11 is installed in bearing bracket 12 and can swing in this bearing bracket 12；Ball screw nut 10 and top cutter 5
Connect, be used for driving top cutter 5 and bottom knife 6 that relative motion occurs, it is achieved beta pruning action.
In low secateurs work process, top cutter 5 is to circle around center of rotation, is therefore connected with top cutter 5
Ball screw 9, when promoting top cutter 5 to move, is not only simple linear reciprocating motion, is accompanied by the upper of ball screw 9
Lower swing, the most just creates the problem that ball screw 9 is easily broken off, and in order to solve this problem, the outer wall of bearing block 11 is arranged
Having symmetrical two rotating shaft 13, bearing bracket 12 is provided with the shaft hole 14 of corresponding rotating shaft 13, rotating shaft 13 is installed in
In shaft hole 14 so that bearing block 11 can swing around this rotating shaft 13, is the most just avoided that and swings up and down the impact on ball screw,
Thus extend the life-span of ball screw.
Wherein, anti-turn spring sheet 8 is provided with fixed part 15 and has resilient tight lock part 16, fixed part 15 and bottom knife 6
Fixing connection, tight lock part 16 engages with blade locking gear 7, is used for limiting this blade locking gear 7 one-directional rotation, anti-turn spring
Sheet 8 is additionally provided with the location division 17 being plugged in bottom knife 6, anti-turn spring sheet 8 simple in construction, easy installation and removal, the most more
Allowing blade replacement work is simple and convenient, need not additionally dismantle low secateurs internal structure.
In order to realize the efficient utilization of top cutter 5, in ball screw nut 10, it is provided with back-moving spring 18, section magnetism
19 are arranged between back-moving spring 18, regulation screw 20 with regulation screw 20, section magnetism 19, revolve by changing regulation screw 20
Enter the length of ball screw nut 10, the adjustable stroke Magnet 19 position in ball screw nut 10, reach to control upper slitter
The purpose of sheet 5 stroke.In use, after top cutter 5 has had certain abrasion, screw 20 can be regulated to adjust upper slitter
The stroke of sheet 5, can keep the work efficiency of low secateurs.It is additionally provided with in ball screw nut 10 for installing section magnetism 19
Magnetic receiver 21, one end of magnetic receiver 21 abuts against with regulation screw 20, and the other end abuts against with back-moving spring 18, magnetic receiver 21
The other end is provided with the spring base 22 playing the guiding role.
Wherein being provided with push rod 23 between ball screw nut 10 and described top cutter 5, described push rod 23 has oil filler point
And the push rod oil sealing 24 matched with this oil filler point, push rod oil sealing 24 has the clicking section 25 for making it stir, clicking section 25
Integral type is arranged on push rod oil sealing 24, and push rod oil sealing 24 has elasticity, during the lubrication operation of low secateurs, it is only necessary to light
Micro-mobile clicking section 25 just can be lubricated by oil addition at oil filler point.
Further, casing 1 includes upper casing 26 and the lower casing 27 mutually connected, blade mechanisms 2, drive mechanism 3 and
Drive mechanism 4 is positioned at upper casing 26 and the space of lower casing 27 formation.The first Plug pin patch bay 28 it is fixed with in this lower casing 27, the
Being provided with first group of contact pin 29 in one Plug pin patch bay 28, drive mechanism 4 is fixedly connected with the second Plug pin patch bay 30, in the second Plug pin patch bay 30
It is provided with second group of contact pin 31.The mechanism being provided separately by two groups of contact pins, can be made each one-tenth module, so be set by modular
Meter makes each assembly become independent overall, does not has the connection of complexity, improves production efficiency of assembling and product stability.
As it has been described above, the low secateurs of the present invention is after being powered up, drive mechanism 4 first action, then by transmission even
Connecing, transfer power to drive mechanism 3, drive mechanism 3 passes through ball screw 9 and ball screw nut 10 by drive mechanism 4
The convert rotational motion provided is linear reciprocating motion, and then ball screw 9 is connected by push rod 23 with top cutter 5, and controls
Top cutter 5 does shear action, completes the whole work process of low secateurs.
Below it is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
Saying, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a low secateurs, it is characterised in that described low secateurs includes: casing (1), and be arranged in described casing (1)
Blade mechanisms (2), drive mechanism (3) and drive mechanism (4), one end of described drive mechanism (3) passes with described drive mechanism (4)
Being dynamically connected, the other end is in transmission connection with described blade mechanisms (2)；
Described blade mechanisms (2) includes top cutter (5) and the bottom knife (6) being rotationally connected, described top cutter (5) and described lower cutter
The junction of sheet (6) is provided with the blade locking gear (7) and anti-turn spring sheet (8) cooperated；
Described drive mechanism (3) includes ball screw (9) and the ball screw nut being sleeved on described ball screw (9)
(10)；Universal between described ball screw (9) with described drive mechanism (4) it is connected, and is provided with in junction and cooperates
Bearing block (11) and bearing bracket (12), described bearing bracket (12) is fixed at the inwall of described casing (1), described axle
Bearing (11) is installed in described bearing bracket (12) and can swing in this bearing bracket (12)；Described ball screw spiral shell
Female (10) are connected with described top cutter (5), are used for driving described top cutter (5), with described bottom knife (6), relative motion occurs.
Low secateurs the most as claimed in claim 1, it is characterised in that the outer wall of described bearing block (11) is provided with symmetrical
Two rotating shafts (13), described bearing bracket (12) is provided with the shaft hole (14) of corresponding described rotating shaft (13), described rotating shaft
(13) it is installed in described shaft hole (14) so that described bearing block (11) can swing around this rotating shaft (13).
Low secateurs the most as claimed in claim 1 or 2, it is characterised in that described anti-turn spring sheet (8) is provided with fixed part (15)
And have resilient tight lock part (16), described fixed part (15) and described bottom knife (6) are fixing to be connected, described tight lock part (16) and
Described blade locking gear (7) is engaged, and is used for limiting this blade locking gear (7) one-directional rotation.
Low secateurs the most as claimed in claim 3, it is characterised in that described anti-turn spring sheet (8) be additionally provided be plugged in described
Location division (17) in bottom knife (6).
Low secateurs the most as claimed in claim 1 or 2, it is characterised in that described ball screw nut is provided with reset in (10)
Spring (18), section magnetism (19) and regulation screw (20), described section magnetism (19) is arranged at described back-moving spring (18), adjusts
Between joint screw (20), screw in the length of described ball screw nut (10) by changing regulation screw (20), described in scalable
The section magnetism (19) position in described ball screw nut (10).
Low secateurs the most as claimed in claim 5, it is characterised in that described ball screw nut is additionally provided with for filling in (10)
If the magnetic receiver (21) of described section magnetism (19), one end of described magnetic receiver (21) abuts against with described regulation screw (20),
The other end abuts against with described back-moving spring (18).
Low secateurs the most as claimed in claim 6, it is characterised in that the described other end of described magnetic receiver (21) has been provided with leads
Spring base (22) to effect.
Low secateurs the most as claimed in claim 1 or 2, it is characterised in that described ball screw nut (10) and described top cutter
(5) being provided with push rod (23) between, described push rod (23) has oil filler point and push rod oil sealing (24) matched with this oil filler point.
Low secateurs the most as claimed in claim 8, it is characterised in that described push rod oil sealing (24) has for making what it stirred to dial
Dynamic portion (25).
Low secateurs the most as claimed in claim 1, it is characterised in that described casing (1) includes the upper casing (26) mutually connected
With lower casing (27), described blade mechanisms (2), drive mechanism (3) and drive mechanism (4) are positioned at described upper casing (26) and lower machine
In the space that shell (27) is formed；The first Plug pin patch bay (28) it is fixed with, in described first Plug pin patch bay (28) in described lower casing (27)
Being provided with first group of contact pin (29), described drive mechanism (4) is fixedly connected with the second Plug pin patch bay (30), described second Plug pin patch bay
(30) second group of contact pin (31) it is provided with in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917278.4A CN106305166A (en) | 2016-10-21 | 2016-10-21 | Low-branch scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917278.4A CN106305166A (en) | 2016-10-21 | 2016-10-21 | Low-branch scissors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106305166A true CN106305166A (en) | 2017-01-11 |
Family
ID=57819227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610917278.4A Pending CN106305166A (en) | 2016-10-21 | 2016-10-21 | Low-branch scissors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106305166A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107926325A (en) * | 2017-12-27 | 2018-04-20 | 宁波浙达技术服务有限公司 | A kind of pneumatic type shrub and hedge trimmer |
| WO2018205126A1 (en) * | 2017-05-09 | 2018-11-15 | Tti (Macao Commercial Offshore) Limited | A power tool and a driving mechanism for use in a power tool |
| EP3858560A1 (en) * | 2020-01-29 | 2021-08-04 | Husqvarna Ab | Cutting tool |
| CN114654484A (en) * | 2022-02-28 | 2022-06-24 | 哈尔滨工业大学 | Scissors instrument suitable for big difference in temperature and cut-out design of preventing escaping |
| EP4096881B1 (en) * | 2020-01-29 | 2024-03-20 | Husqvarna Ab | Cutting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907268A (en) * | 2011-08-05 | 2013-02-06 | 方培锵 | Novel motor-driven garden shears |
| CN203537937U (en) * | 2013-09-26 | 2014-04-16 | 宁波市镇海长城汽车摩托车部件厂 | Novel electrical fruit tree pruning shears |
| CN104511915A (en) * | 2013-09-26 | 2015-04-15 | 宁波市镇海长城汽车摩托车部件厂 | Dynamic blade locking structure of electric scissors |
| US20150121706A1 (en) * | 2012-07-06 | 2015-05-07 | Felco Motion Sa | Handheld power tool |
| CN205511051U (en) * | 2016-03-31 | 2016-08-31 | 方培锵 | Adopt ball screw transmission structure's electric scissors |
| CN105917984A (en) * | 2016-06-28 | 2016-09-07 | 东莞市嘉航实业有限公司 | Electric scissor |
| CN206101005U (en) * | 2016-10-21 | 2017-04-19 | 方培锵 | Low secateurs |
-
2016
- 2016-10-21 CN CN201610917278.4A patent/CN106305166A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907268A (en) * | 2011-08-05 | 2013-02-06 | 方培锵 | Novel motor-driven garden shears |
| US20150121706A1 (en) * | 2012-07-06 | 2015-05-07 | Felco Motion Sa | Handheld power tool |
| CN203537937U (en) * | 2013-09-26 | 2014-04-16 | 宁波市镇海长城汽车摩托车部件厂 | Novel electrical fruit tree pruning shears |
| CN104511915A (en) * | 2013-09-26 | 2015-04-15 | 宁波市镇海长城汽车摩托车部件厂 | Dynamic blade locking structure of electric scissors |
| CN205511051U (en) * | 2016-03-31 | 2016-08-31 | 方培锵 | Adopt ball screw transmission structure's electric scissors |
| CN105917984A (en) * | 2016-06-28 | 2016-09-07 | 东莞市嘉航实业有限公司 | Electric scissor |
| CN206101005U (en) * | 2016-10-21 | 2017-04-19 | 方培锵 | Low secateurs |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205126A1 (en) * | 2017-05-09 | 2018-11-15 | Tti (Macao Commercial Offshore) Limited | A power tool and a driving mechanism for use in a power tool |
| US11272670B2 (en) | 2017-05-09 | 2022-03-15 | Techtronic Cordless Gp | Power tool and a driving mechanism for use in a power tool |
| CN107926325A (en) * | 2017-12-27 | 2018-04-20 | 宁波浙达技术服务有限公司 | A kind of pneumatic type shrub and hedge trimmer |
| EP3858560A1 (en) * | 2020-01-29 | 2021-08-04 | Husqvarna Ab | Cutting tool |
| WO2021151546A1 (en) * | 2020-01-29 | 2021-08-05 | Husqvarna Ab | Cutting tool |
| EP4096881B1 (en) * | 2020-01-29 | 2024-03-20 | Husqvarna Ab | Cutting tool |
| CN114654484A (en) * | 2022-02-28 | 2022-06-24 | 哈尔滨工业大学 | Scissors instrument suitable for big difference in temperature and cut-out design of preventing escaping |
| CN114654484B (en) * | 2022-02-28 | 2024-03-29 | 哈尔滨工业大学 | Scissors tool suitable for design of big difference in temperature and cut anti-escape |
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Application publication date: 20170111 |