CN106508447A - Pruning machine - Google Patents
Pruning machine Download PDFInfo
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- CN106508447A CN106508447A CN201510583676.2A CN201510583676A CN106508447A CN 106508447 A CN106508447 A CN 106508447A CN 201510583676 A CN201510583676 A CN 201510583676A CN 106508447 A CN106508447 A CN 106508447A
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- housing
- motor
- command
- pruner
- drive
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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
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/081—Manual cutting tools not otherwise provided for, e.g. pruning hooks
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
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- Scissors And Nippers (AREA)
Abstract
The invention discloses a pruning machine. The pruning machine comprises a motor, a transmission mechanism, a pruning blade, a motor shell and a tool shell assembly, wherein the motor comprises a stator assembly and a rotor assembly, the transmission mechanism is driven by the motor, the pruning blade is driven by the transmission mechanism for shearing, the motor shell is used for containing the rotor assembly of the motor, and the transmission mechanism and the motor shell form a whole through the tool shell assembly. The tool shell assembly comprises a first material part at least made of a first material. The motor shell comprises a second material part at least made of a second material. At least part of the second material part is exposed out of the tool shell assembly. The pruning machine has a good cooling effect.
Description
Technical field
The present invention relates to a kind of pruner.
Background technology
Pruner is a kind of gardens or garden tool set, and which includes blade and front handlebar and rear handle.Reciprocating knives are used for cutting various shrubs, hedgerow etc..When pruning operation is carried out, two handss of user grip two different handles respectively, and user controls the position of blade to control cutting position by moving handle.
Traditional pruning shell structure is relatively fixed, and which can not adjust the position of before and after's handle, thus efficiently can not work under complex working condition.Which can only adapt to the cutting of simple horizontal plane, and when needing to carry out perpendicular cuts or inclined cut, operating difficultiess, hands grasping handle are extremely inconvenient.
The shell of traditional pruner is made up of homogenous material, and its radiating effect is poor.After working long hours, it is susceptible to the too high situation for causing pruner to damage of temperature and occurs.
Traditional motor, in order to reduce the temperature of motor, accelerates cooling, is typically provided with radiator fan.But when radiator fan is rotated, the phenomenon that air-flow spins in electric machine casing is susceptible to, so as to cause cooling effect not good.
The content of the invention
A kind of pruner includes：Form or be connected with first housing of the first in command；Form or be connected with second housing of the second in command；It is bound to the drive mechanism of the first housing；Drive mechanism drives the pruning blade for doing shearing motion；Being bound to the first housing is used for the motor of drive transmission device；It is bound to the second housing the battery bag for powering for motor；Wherein, the first housing and the second housing include respectively：Them are made to constitute with pivot center the first rotating junction and the second rotating junction for rotating connection as axle；Have when second shell body phase is to the first housing into rotation：First turned position and the second turned position, the plane perpendicular to pivot center are intersected with the planar tilt of the longitudinal axis perpendicular to pruning blade.
Further, in the plane perpendicular to pruning blade longitudinal axis, the first rotating junction and motor are located at the homonymy of pruning blade.
Further, in the plane perpendicular to pruning blade longitudinal axis, the first rotating junction and the first in command are located at the homonymy of pruning blade.
Further, the plane that the longitudinal axis of the second in command are located when the second housing turns to the first turned position is parallel to pruning blade longitudinal axis；When second housing turns to the second turned position the second in command with respect to the first turned position when turn over 90 degree.
Further, the second in command is provided with a split, and at least partly relative split is symmetrical for the second in command；When second housing turns to the first turned position, the split of the second in command is parallel to pruning blade longitudinal axis.
Further, the second in command is provided with a split；The second in command includes：Main handle portion, for gripping for user；Main handle portion is symmetrical with respect to split；When second shell body is located at the second turned position, in split, the center of gravity of main handle portion and battery bag is respectively positioned at the both sides of the longitudinal axis of pruning blade.
Further, when the second housing turns to the first turned position, on the direction of the longitudinal axis parallel to pruning blade, the second in command is turned to apart from the nearest position of the first in command；When second housing turns to the second turned position, the distance between the second in command and the first in command when the distance between the second in command and the first in command turn to the first turned position more than the second housing.
Further, when the second housing turns to the second turned position, the second in command and battery bag are respectively positioned at the both sides of the longitudinal axis of pruning blade.
Further, when the second housing turns to the second turned position, the center of gravity of the second in command and battery bag is respectively positioned at the both sides of the split of front handlebar.
Further, when the second housing turns to the second turned position, the second in command and battery bag intersect the both sides of constituted plane respectively positioned at the axis of motor with the longitudinal axis of pruning blade.
Another kind of pruner, including：Motor, including stator assembly and rotor assembly；Drive mechanism, by Motor drive；Pruning blade, is driven by drive mechanism and does shearing motion；Electric machine casing, for accommodating the rotor assembly of motor；Tool housing component, makes drive mechanism and electric machine casing constitute an entirety；Wherein, tool housing component includes：First material portion, is at least made up of the first material；Electric machine casing includes：Second material portion, is at least made up of the second material；At least partly expose tool housing component in the second material portion.
Further, pruner also includes：Drive housing, for accommodating drive mechanism；Drive housing exposes tool assembly.
Further, drive housing, is at least partly made up of metal material.
Further, tool housing component exposes from side in the second material portion, and drive housing exposes tool housing component from relative opposite side.
Further, drive housing includes, drive housing body, is formed with accommodating chamber；Several drive housing muscle, it is outwardly by drive housing body；Gas channel is formed between two drive housing muscle.
Further, gas channel extends approximately along the direction parallel to electrical axis.
Further, fan is provided with electric machine casing, and electric machine casing is provided with air outlet, and the air-flow that fan is produced is entered from gas channel and discharge from air outlet after electric machine casing.
Further, circuit board is provided with tool housing component, and tool housing is formed with air inlet, and the air-flow that fan is produced sequentially passes through air inlet, circuit board, motor and air outlet.
Further, pruner also includes, the first in command, between pruning blade and motor；The first in command is fixed to drive housing.
Further, pruner also includes battery bag, is that motor is powered；Tool housing includes the first housing and the second housing, and the first housing is formed or is connected with the first in command；Second housing, forms or is connected with the second in command；Battery bag is bonded to the second housing；First housing and the second housing include making them constitute with pivot center the first rotating junction and the second rotating junction for rotating connection as axle respectively；Have when second shell body phase is to the first housing into rotation：First turned position and the second turned position, the plane perpendicular to pivot center are intersected with the planar tilt of the longitudinal axis perpendicular to pruning blade.
Further, in the plane perpendicular to pruning blade longitudinal axis, the first rotating junction and motor are located at the homonymy of pruning blade.
Another kind of pruner, including：First housing, forms or is connected with the first in command；Second housing, forms or is connected with the second in command；Drive mechanism, is bound to the first housing；Pruning blade, is driven by drive mechanism and does shearing motion；Motor, is bound to the first housing for drive transmission device；Battery bag, is bound to the second housing and for powering for motor；Wherein, second shell physical ability rotates shaft line rotation relative to the first housing, and the first housing includes the first sticking department, and pruner also includes：Control piece, is articulated to the first housing or the second housing；Control piece includes：The second sticking department coordinated with the first sticking department；Control piece has first position and the second position relative to the second housing；When control piece is located at first position, the first sticking department and the second sticking department coordinate, and the second housing is relatively fixed with first shell body；When control piece is located at the second position, the first sticking department and the second sticking department depart from and coordinate, and second shell physical ability is rotated relative to the first housing shaft line that rotates.
Further, pruner also includes：Trigger, for controlled motor；Control piece also includes：Stopper section；When control piece is located at the second position, the motion of stopper section backstop trigger.
Further, control piece also includes：Operating portion, for user operation；First sticking department forms fluted, and the second sticking department is formed with the projection with fit depressions.
Further, operating position is between the second in command and battery bag.
Further, pruner also includes biased element, is fixedly attached to the second housing, and applying makes the biasing force that control piece is moved from the second position to first position.
Further, control piece is slided between the first position and the second position along straight line path.
Further, also including damper element, damper element is arranged and the first rotating junction and the second rotating junction between.
Further, the first housing is provided with：Some gear structures, can make control piece lock the relative position of the first housing and the second housing, and ° for pivot center circumferencial direction, the value of adjacent gear structure difference angle is the integral multiple of 15 ° or 15 °.
Further, second shell body phase has to the first housing：First turned position and the second turned position；The plane that the longitudinal axis of the second in command are located when second housing turns to the first turned position is parallel to pruning blade longitudinal axis；When second housing turns to the second turned position the second in command with respect to the first turned position when turn over 90 degree.
Further, pivot center is intersected in inclination with the axis of motor.
Further, the plane perpendicular to pivot center is intersected with the planar tilt of the longitudinal axis perpendicular to pruning blade.
A kind of electric machine, including：Electric machine casing, is provided with air outlet；Stator module, is fixedly connected with motor housing；Rotor assembly, is rotated with stator module and is connected；Fan, is arranged inside electric machine casing；Wind scooper, is contained in electric machine casing；Wherein, wind scooper includes：Stream portion is hidden, the air-flow that backstop fan is produced circles round in electric machine casing；Hide stream portion to be arranged between electric machine casing inwall and fan.
Further, rotor assembly drives fan to rotate；Hide stream portion and air outlet to stagger in the circumference of fan shaft setting.
Further, rotor assembly drives fan to rotate；Hide stream portion substantially aligned in the axial direction of fan shaft with air outlet.
Further, the number for hiding stream portion is more than or equal to 2, at least two in multiple screening stream portions between be provided with air outlet.
Further, rotor assembly drives fan to rotate；The number for hiding stream portion is more than or equal to 2, and in multiple screening stream portions, at least two is symmetrical with regard to fan shaft.
Further, rotor assembly drives fan to rotate；The number for hiding stream portion is more than or equal to 2；Wind scooper also includes：Connecting portion, the multiple screening stream portions of connecting portion connection；Around portion, around portion's surrounding rotor component；Around portion with connecting portion respectively positioned at the both sides of fan.
Further, buckle is formed with around portion, buckle is connected with electric machine casing.
Further, 3mm is less than or equal to the gap of motor more than or equal to 0.3mm around portion.
Another kind of pruner, including above-mentioned electric machine.
Further, pruner also includes the first housing and the second housing, the first housing, is formed or is connected with the first in command；Second housing, forms or is connected with the second in command；Battery bag is bonded to the second housing and for powering for external rotor electric machine；First housing and the second housing include making them constitute with pivot center the first rotating junction and the second rotating junction for rotating connection as axle respectively；Have when second shell body phase is to the first housing into rotation：First turned position and the second turned position, the plane perpendicular to pivot center are intersected with the planar tilt of the longitudinal axis perpendicular to pruning blade.
Description of the drawings
Schematic diagrams of the Fig. 1 for one embodiment of the present of invention；
The schematic diagrams that remove partial shell after of the Fig. 2 for the pruner in Fig. 1；
Fig. 3 be Fig. 1 in pruner the second housing in the first turned position schematic diagram；
Fig. 4 be Fig. 1 in pruner the second housing in the second turned position schematic diagram；
Fig. 5 be Fig. 1 in pruner the second housing in the second turned position another visual angle schematic diagram；
Partial exploded views of the Fig. 6 for the pruner in Fig. 1；
Fig. 7 be Fig. 1 in pruner control piece be located at first position schematic diagram；
Fig. 8 be Fig. 1 in pruner control piece be located at the second position schematic diagram；
Air flow direction schematic diagrams of the Fig. 9 for the pruner in Fig. 1；
Sectional views of the Figure 10 for the pruner in Fig. 1；
Part-structure explosive views of the Figure 11 for the pruner in Fig. 1.
Specific embodiment
Make specific introduction to the present invention below in conjunction with the drawings and specific embodiments.
As shown in figure 1, a kind of pruner 100 includes pruning blade 10, drive mechanism 20, motor 30, battery bag 40, tool housing component 50, the first in command 60, the second in command 70.
Pruning blade 10, does shearing motion implementation tool function, and pruning blade 10 is substantially extended in one direction, and size is far longer than which in remaining direction size to pruning blade 10 in this direction, and the direction is defined as the length direction of pruning blade 10；As shown in figure 1, pruning blade 10 defines a longitudinal axis S1, length directions of the longitudinal axis S1 parallel to pruning blade 10.
Longitudinally S1 extends the main part of pruning blade 10, multiple cutting edges 11 are formed from 10 main part of blade of pruning along longitudinal axis S1 in the way of protruding to the direction of vertical axes line S1, at this perpendicular to the width that size on the direction of longitudinal axis S1 is pruning blade 10.
Pruning blade 10 is less in the size on another direction of longitudinal axis S1, makes the substantially laminated structure of pruning blade 10.
In general, cutting edge 11 can be arranged at the side of the longitudinal axis S1 of pruning blade 10, it is also possible to be arranged at the both sides of the longitudinal axis S1 of pruning blade 10.Specifically, as shown in figure 1, cutting edge 11 stretches out from the both sides of longitudinal axis S1.
Drive mechanism 20 is connected with pruning blade 10, drives pruning blade 10 to move back and forth.Drive housing 21 accommodates drive mechanism 20.Accommodate drive mechanism 20 and refer to the whole for accommodating drive mechanism 20 or the part for accommodating drive mechanism 20.
Motor 30 is connected with drive mechanism 20, drive transmission device 20.
Battery bag 40 is that motor 30 provides electric power.Which includes that more piece rechargeable battery core.
100 each several part of pruner is assembled integrally by tool housing component 50, and which includes the first housing 51 and the second housing 52.
First housing 51 forms or is connected with the first in command 60, second housing 52 forms or is connected with the second in command 70, the first in command 60 and the second in command 70 are hold by one hand for user, i.e., the first in command 60 is gripped for one hands of user, and the second in command 70 is gripped for user's another handss.Formation refers to handle as a part for housing, and connection refers to direct or indirect connection.I.e. handle is connected directly to housing or handle is indirectly connected to housing by other structures.Specifically, as shown in figure 1, drive mechanism 20 and motor 30 are combined with the first housing 51, i.e., drive mechanism 20 and motor 30 are fixed relative to the first housing 51.Which can directly be fixedly attached to the first housing 51, it is also possible to be fixedly attached to indirectly the first housing 51 by other structures.Further, the second housing 52 is formed with the second in command 70, and battery bag 40 is removably connected to the second housing 52.Used as single part, which is located between pruning blade 10 and motor 30 first in command 60；Specifically, as shown in Fig. 2 on the longitudinal axis S1 directions of pruning blade 10, the first in command 60 is located between pruning blade 10 and motor 30.The first in command 60 is fixed to drive housing 21.Generally speaking, traditional pruner 100, its first in command 60 is fixed on tool housing component 50, after working long hours, pruning blade 10 is produced relative to tool housing component 50 and is rocked, operator grips the first in command 60 being fixed on tool housing component 50, the situation that 60 relative pruning blade 10 of the first in command shakes can be produced, user is interfered using instrument, affect cutting accuracy, due to user's holding tool, main screw lift is applied on the first in command 60 by tool housing component 50, tool housing component 50 is rocked the service life of strong influence instrument.Drive housing 21 is fixed on using the first in command 60, it is to avoid rocking between pruning blade 10 and the first in command 60, while whole machine overwhelming majority weight is directly applied on the first in command 60 by drive mechanism 20, there is provided the service life of instrument.
As shown in Figure 3, first housing 51 includes the first rotating junction 511, second housing 52 includes the second rotating junction 521, and the first rotating junction 511 is rotatably connected with the second rotating junction 521, so as to the first housing 51 and the second housing 52 can be rotated by axle of pivot center S2.When the first housing 51 and the second housing 52 are relatively rotated, motor 30, drive mechanism 20, the first in command 60 are rotated relative to the second housing 52 together with the first housing 51, and battery bag 40, the second in command 70 are rotated relative to the first housing 51 together with the second housing 52.
Plane A perpendicular to pivot center S2 is inclined with plane B of the longitudinal axis S1 perpendicular to pruning blade 10 and is intersected.Incline with plane B perpendicular to 10 bearing of trend of pruning blade perpendicular to plane A of pivot center S2 and intersect.Further, pivot center S2 is inclined with pruning blade 10 and is intersected.Specifically, plane A perpendicular to pivot center S2 is in 15 ° of angles with plane B of the longitudinal axis S1 perpendicular to pruning blade 10.The angle angle is likely larger than and is less than or equal to 45 ° equal to 10 °.
In plane B perpendicular to the longitudinal axis S1 of pruning blade 10, the first rotating junction 511 and motor 30 are located at the homonymy of pruning blade 10.That is longitudinal axis S1 of the first rotating junction 511 away from pruning blade 10.Specifically, intersection points of the pivot center S2 between the first rotating junction 511 and the second rotating junction 521 deviates the longitudinal axis S1 of pruning blade 10.
In plane B perpendicular to the longitudinal axis S1 of pruning blade 10, the first rotating junction 511 and the first in command 60 are located at the homonymy of 100 blade of pruner.Specifically, the first rotating junction 511 and the first in command 60 are located at the homonymy of pruning blade 10 and refer to the holding area of the first rotating junction 511 and the first in command 60 in the homonymy of pruning blade 10.The definition of pruning blade 10 has a shear plane, the first rotating junction 511 and motor 30 to be located at the homonymy of shear plane.First rotating junction 511 and the first in command 60 are located at the homonymy of shear plane.
Specifically, pivot center S2 is inclined with the axis of motor 30 and is intersected.The intersection point and the second rotating junction 521 of pivot center S2 and 30 axis of motor are located at the homonymy of pruning blade 10.The distance of the pruning blade 10 of intersection point distances of the pivot center S2 between the first rotating junction 511 and the second rotating junction 521 is more than the distance of the intersection point apart from pruning blade 10 of pivot center S2 and 30 axis S3 of motor.The intersection point of pivot center S2 and 30 axis S3 of motor is more than or equal to 20mm apart from the distance of the longitudinal axis S1 of pruning blade 10, less than or equal to 60mm.Intersection points of the pivot center S2 between the first rotating junction 511 and the second rotating junction 521 is more than or equal to 30mm apart from the distance of the longitudinal axis S1 of pruning blade 10, less than or equal to 70mm.
Plane A perpendicular to pivot center S2 is inclined with plane B of the longitudinal axis S1 perpendicular to pruning blade 10 and is intersected.So that when the second housing 52 is rotated by 90 ° relative to the first housing 51, as shown in figure 4, battery bag 40 can be away from pruning blade 10, it is to avoid in the course of the work, causes to it also avoid the interference for working the damage of battery bag 40 because the volume of battery bag 40 is excessive.
Second housing 52 relative to the first housing 51 rotate when have：First turned position and the second turned position.First turned position as shown in figure 3, the second turned position as shown in Figures 4 and 5.Initial position of first turned position as the second housing 52, and the operating position that pruner 100 is the most frequently used.First turned position, longitudinal axis S1 of the plane that now the longitudinal axis S4 of the second in command 70 is located parallel to pruning blade 10, in the plane that the longitudinal axis S4 that the parallel longitudinal axis S1 for also including pruning blade 10 referred herein is located at the second in command 70 is located.
The second in command 70 includes：Main handle portion, main handle portion are gripped for user and control pruner 100.User using the second in command 70, hold main handle portion when, disposed proximally button and switch can be touched.More specifically, the symmetrical plane is defined as the split C of the second in command 70 relative to a plane symmetry by main handle portion, and the second in command 70 may be configured as overall homogeneously symmetrical to split C, it is also possible to be set to the relative split C in part symmetrical.The symmetrical part of 70 minute surface of the second in command can include but are not limited to main handle portion.The longitudinal axis S4 of the second in command 70 is located in the split C of the second in command 70.
90 ° are turned over during 70 relative first turned position of the second in command when second housing 52 turns to the second turned position.Further, the second housing 52 can be rotated relative to the first housing 51 and be fixed on different positions and can adapt to demand of the user under various working environments.For pivot center S2 circumferencial directions, connected turned position difference angle value is the integral multiple of 15 ° or 15 °.When the second in command 70 turns over 90 °, i.e. during the second turned position, disclosure satisfy that user carries out the needs of vertical pruning.
When second housing 52 is located at the first turned position, on the direction of the longitudinal axis S1 parallel to pruning blade 10, the second in command 70 is turned to apart from the nearest position of the first in command 60.When second housing 52 turns to the second turned position, the distance between the second in command 70 and the first in command 60 when the distance between the second in command 70 and the first in command 60 turn to the first turned position more than the second housing 52.
At the second turned position, the first in command 60 relative to the second in command 70 distance more than the distance at the first turned position.Pivot center S2 favours pruning blade 10, after the second housing 52 rotates, the distance increase of the first in command 60 and the second in command 70 so that user grips more comfortable after the rotation of the second in command 70.
The longitudinal axis S4 of the second in command 70 is in the split C of the second in command 70.The symmetrical plane of the second in command 70 is the split C of the second in command 70.
As shown in figure 5, when the second housing 52 is located at the second turned position, being located at the both sides of the longitudinal axis S1 of pruning blade 10 respectively in the center of gravity of the plane that the longitudinal axis S4 of the second in command 70 is located, the second in command 70 and battery bag 40.
The plane that the longitudinal axis S4 of the second in command 70 is located is the split C of the second in command 70.Further, in the second position, the second in command 70 and battery bag 40 are respectively positioned at the both sides of the longitudinal axis S1 of pruning blade 10.Specifically, the second turned position, turns over 90 ° of position during relative to the first turned position.
In the second position, center of gravity G of the second in command 70 and battery bag 40 is respectively positioned at the both sides of the split of the first in command 60.A part of the first in command 60 at least including specular, the symmetrical plane of the part definition is the split of the first in command 60.
In the second position, the second in command 70 and battery bag 40 intersect the both sides of constituted plane respectively positioned at the axis of motor 30 with the longitudinal axis S1 of pruning blade 10.
As shown in fig. 6, the second housing 52 can be rotated around pivot center S2 relative to the first housing 51, the first housing 51 includes the first sticking department 5111, and specifically, the first sticking department 5111 is formed by the first rotating junction 511.
Pruner 100 also includes control piece 91, and control piece 91 is used for locking position of second housing 52 relative to the first housing 51.Control piece 91 includes the second sticking department 911, and the second sticking department 911 is coordinated with the first sticking department 5111.Control piece 91 is articulated to the first housing 51 or the second housing 52.Specifically, control piece 91 is articulated to the second housing 52.Control piece 91 has first position and the second position relative to the second housing 52, and further, control piece 91 is rotated relative to the first housing 51 together with the second housing 52.
As shown in fig. 7, when control piece 91 is located at first position, the first sticking department 5111 is coordinated with the second sticking department 911, the second housing 52 is fixed to the first housing 51, i.e. the second housing 52 and can not rotate around pivot center S2 relative to the first housing 51.
As shown in figure 8, when control piece 91 is located at the second position, the first sticking department 5111 and the second sticking department 911 depart from cooperation, and the second housing 52 can be rotated around pivot center S2 relative to the first housing 51.
Pruner 100 also includes trigger 80, and motor 30 can be controlled.
Control piece 91 includes stopper section 912, as shown in figure 8, when control piece 91 is located at the second position, the motion of 912 backstop trigger 80 of stopper section.Specifically, as shown in figure 8, trigger 80 is prevented by stopper section 912, it is impossible to enough to move upwards.When the second housing 52 can be rotated relative to the first housing 51, it is to avoid motor 30 is misused and starts, with higher security performance.As shown in fig. 7, control piece 91 is located at first position, now trigger 80 can be activated.Position shown in figure is the position that trigger 80 is depressed and starts.
Control piece 91 also includes operating portion 913, and user is moved to operational control part 91 between the first position and the second position by operating portion 913.First sticking department 5111 forms fluted 5112, and the second sticking department 911 is formed with the projection 9111 coordinated with groove 5112.Raised 9111 coordinate realization locking with groove 5112.When user operation control piece 91 is moved into first position, the projection 9111 of the second sticking department 911 is located in the groove 5112 of the second sticking department 911.First sticking department 5111 is relatively unrotatable with the second sticking department 911, i.e. the first housing 51 can not relatively rotate with the second housing 52.When user operation control piece 91 is moved into the second position, now raised 9111 are departed from groove 5112, i.e., can not prevent the relative rotation between the first housing 51 and the second housing 52.Specifically, as shown in fig. 6, groove 5112 has multiple, each groove 5,112 one first housing 51 of correspondence and the second housing 52 mutually can be rotated by fixed position.As shown in fig. 6, the quantity of groove 5112 is 8, which corresponds to the first housing 51 respectively and the second housing 52 is located at 0 °, ± 45 °, ± 90 °, and 180 °.
As shown in Figures 7 and 8, operating portion 913 is located between the second in command 70 and battery bag 40.Further, trigger 80 and operating portion 913 are located at the homonymy of the second in command 70, and compact structure is realized in the space for rationally utilizing.
Pruner 100 also includes biased element 92, is fixedly attached to the second housing 52, and applying makes the biasing force that control piece 91 is moved from the second position to first position.In general, biased element 92 is used as the element for producing biasing force, it is common to have spring, Magnet etc..Specifically, biased element 92 is spring, and which connects second housing 52 and control piece 91, is made when control piece 91 is located at first position, ensure that control piece 91 rests on first position, it is to avoid user misoperation produces relative rotation so as to cause the first housing 51 and the second housing 52.
Control piece 91 is slided between the first position and the second position along straight line path.Control piece 91 is simple to operate, and sliding path short operation is quick.
As shown in fig. 6, pruner 100 also includes damper element 53, damper element 53 is arranged and the first rotating junction 511 and the second rotating junction 521 between.Pruning blade 10 and motor 30 are fixed to the first housing 51, in the course of the work, produce vibration, and damper element 53 can effectively reduce the vibration for being transferred to the second housing 52, so that the vibration on the second in command 70 reduces, user operation is comfortable.
First housing 51 is provided with some shift structures, and control piece 91 can be made to lock the relative position of the first housing 51 and the second housing 52.For pivot center S2 circumferencial directions, the value of connected shift structure difference angle is the integral multiple of 15 ° or 15 °.That is at the angle of the integral multiple that the second housing 52 can be locked to 15 ° or 15 ° relative to the first housing 51.
As shown in figure 9, pruner 100 also includes electric machine casing 33, electric machine casing 33 accommodates motor 30.Tool housing component 50 includes the first material portion 54, and the first material portion 54 is at least made up of the first material.Specifically, as shown in figure 9, the first housing 51 includes the first material portion 54.Electric machine casing 33 includes the second material portion 331, and the second material portion 331 is at least made up of the second material.First material portion 54 can be a part for the entirety of tool housing component 50, or tool housing component 50.Specifically, the first housing 51 is made up of the first material.The heat conductivity of the first material is relatively low, the heat conductivity of the second material is higher, that is the heat conductivility of the second material is better than the heat conductivility of the first material, and the first material portion 54 is made up of the first relatively low material of heat conductivity, and the second material portion 331 is made up of the second higher material of heat conductivity.More specifically, the first material is plastics, and the second material is metal.
Second material portion 331 at least partly exposes tool housing component 50, the i.e. 331 all or part of exposed outside in tool housing component 50 of the second material portion, or the second material portion 331 and protrudes or pass tool housing component 50,.
In general, the tool housing component 50 of common pruner 100 directly wraps up motor 30, which is made up of a kind of material, and such as plastics, plastic material heat conductivity are very low, and radiating effect is poor.Motor 30 is located in plastic material, is easier to that occurrence temperature is too high, and the situation that motor 30 is damaged occurs.And tool housing component 50 is set to metalwork in order to be radiated, and main screw lift will be caused larger, used as a kind of hand-held tool, its weight is excessive for pruner 100, is not easy to operator and carries and operate.
Motor 30 is not directly wrapped up using tool housing component 50, single electric machine casing 33 is set and is accommodated motor 30, electric machine casing 33 is capable of the heat of quick release motor 30 using the high material of heat conductivity, reduces by 30 temperature of motor.Tool housing component 50 realizes heat-insulated effect using the relatively low material of heat conductivity, it is to avoid high temperature causes to damage to human body.And tool housing component 50 is exposed or protrudes in the second material portion 331 of electric machine casing 33, the contact area in the second material portion 331 and air increased, the radiating of motor 30 of quickening.
Drive housing 21 exposes tool housing component 50.Expose and refer to the outside for being at least partially disposed at tool housing component 50.The compact of structure is realized, reduces the volume of tool housing component 50, reduced weight, make user be easy to carry.
Drive housing 21 is at least partly made up of metal material.Drive housing 21 is made up of metal material and accelerates radiating.Advantageously reduce the temperature of pruner 100, drive housing 21 is exposed tool housing component 50 and increases contact area with air, improves radiating effect.
Tool housing component 50 exposes from side in second material portion 331, and drive housing 21 exposes tool housing component 50 from relative opposite side.Or electric machine casing 33 protrudes tool housing component 50 with drive housing 21 from the contrary both sides of tool housing component 50.Specifically, as shown in figure 9, electric machine casing 33 protrudes the first housing 51 with drive housing 21 from the contrary both sides of the first housing 51.
Specifically, as shown in figure 9, drive housing 21 includes drive housing body 211 and drive housing muscle 212.As shown in Figure 10, drive housing body 211 is formed with accommodating chamber 2111, and accommodating chamber 2111 accommodates drive mechanism 20.As shown in figure 9, outwardly multiple drive housing muscle 212 on drive housing body 211, are formed with gas channel 2121 between two connected drive housing muscle 212.Specifically, gas channel 2121 extends approximately along the direction parallel to 30 axis of motor.That is air-flow can flow from 21 1 lateral electric machine casing of drive housing, 33 side along gas channel 2121.
As shown in Figures 9 to 11, fan 34 is provided with electric machine casing 33.Electric machine casing 33 is provided with air outlet 332, and motor 30 drives fan 34 to rotate.As shown in the arrow in Fig. 9, the air-flow that fan 34 is produced is discharged from air outlet 332 after entering electric machine casing 33 from gas channel 2121.
As shown in Fig. 2 being provided with circuit board 93 in tool housing component 50, circuit board 93 realizes the electrical connection between motor 30 and battery bag 40.Circuit board 93 is arranged on inside the first housing 51, which is located at the front of motor 30 i.e. on the longitudinal axis S1 directions of pruning blade 10, circuit board 93, motor 30, battery bag 40 are arranged in order, or on the longitudinal axis S1 directions of pruning blade 10, circuit board 93, motor 30, the second housing 52 are arranged in order.As shown in figure 9, tool housing component 50 is formed with air inlet 512, as shown by the arrows in Figure 9, the air-flow that fan 34 is produced sequentially passes through air inlet 512, circuit board 93, motor 30 and air outlet 332.
As shown in Figure 10 to Figure 11, motor 30 includes stator module 31 and rotor assembly 32.The rotor assembly 32 of motor 30 is accommodated in electric machine casing 33.Electric machine includes electric machine casing 33, motor 30, fan 34 and wind scooper 35.Rotor assembly 32 is rotated relative to stator module 31 and electric machine casing 33, and rotor assembly 32 is connected with drive mechanism 20, the drive transmission device 20 when rotor assembly 32 is rotated.Fan 34 is rotated together with 30 rotor assembly 32 of motor.In general, common motor 30 has various, such as direct current generator 30, alternating current generator 30 etc., specifically, motor 30 is external rotor electric machine, specifically outer rotor brushless DC motor.Fan 34 is formed at or is fixedly attached to rotor assembly 32.I.e. fan 34 directly can be made up of rotor assembly 32, it is also possible to be fixed on rotor assembly 32 as single part.Further, fan 34 is fixedly attached to rotor assembly 32.Specifically, fan 34 is centrifugal fan 34.
When motor 30 works, fan 34 is rotated with rotor assembly 32, drives air motion, and specifically, rotor assembly 32 drives fan 34 to rotate.Motor 30 is accommodated in electric machine casing 33, air-flow easily occurs and spins in electric machine casing 33, and without departing from electric machine casing 33.Affect the cooling of motor 30.In order to improve cooling effectiveness, further, pruner 100 also includes wind scooper 35, and wind scooper 35 is located in electric machine casing 33, and which is fixed to electric machine casing 33, and which is static relative to electric machine casing 33.Wind scooper 35 includes hiding stream portion 351, and the air-flow for hiding 351 backstop fan of stream portion, 34 generation circles round in electric machine casing 33.Hide stream portion 351 to be arranged between the inwall of electric machine casing 33 and fan 34.It is located in the circumferential direction that rotor assembly 32 is rotated with further, hiding stream portion 351.Hide stream portion 351 and interrupt rotation of the air-flow in electric machine casing 33.Promote the air-flow that fan 34 is produced to disperse, improve cooling effectiveness.
Electric machine casing 33 is formed with air outlet 332, hides stream portion 351 and air outlet 332 and staggers in the circumference of 34 rotating shaft of fan setting.Specifically, setting of staggering refers to that layout is followed successively by the circumference of 34 rotating shaft of fan, hides stream portion 351, air outlet 332, hides stream portion 351, air outlet 332.In the circumference that rotor assembly 32 is rotated, air outlet 332 with hide stream portion 351 and be connected setting.Hide stream portion 351 substantially aligned in the axial direction of 34 rotating shaft of fan with air outlet 332.On the axial direction of rotor assembly 32, air outlet 332 is highly roughly equal with fan 34.
The number for hiding stream portion 351 is more than or equal to 2, and in multiple screening stream portions 351, at least two is symmetrical with regard to 34 rotating shaft of fan.Wind scooper 35 also includes connecting portion 352, and connecting portion 352 connects multiple screening stream portions 351.At least two screening stream portions 351 are connected by connecting portion 352.Connecting portion 352 is fixed to the top of electric machine casing 33.
For external rotor electric machine, when between rotor assembly 32 and electric machine casing 33, gap is excessive, the air-flow overwhelming majority is passed through from 30 surface of motor, and the air-flow passed through from inside motor 30 is less, and cooling effect is poor.In order to reduce the gap between motor 30 and electric machine casing 33.Wind scooper 35 is also included around portion 353, around 353 surrounding rotor component 32 of portion.Around portion 353 with connecting portion 352 respectively positioned at the both sides of fan 34.Buckle 3531 is formed with around portion 353, buckle 3531 is connected with electric machine casing 33.
When less with the gap of motor 30 around portion 353, the cooling effect of 32 outer surface of rotor assembly is deteriorated, and causes cooling effectiveness low.And when larger with the gap of motor 30 around portion 353, the throughput passed through from inside motor 30 diminishes, and equally causes the cooling effect of motor 30 to be deteriorated.Further, 3MM is less than or equal to the gap of motor 30 more than or equal to 0.3MM around portion 353, further, be less than or equal to 1.5mm with the gap of motor 30 more than or equal to 0.5mm around portion 353.
The basic principles, principal features and advantages of the present invention have been shown and described above.It should be understood by those skilled in the art that, the invention is not limited in any way for above-described embodiment, all technical schemes obtained by the way of equivalent or equivalent transformation, all falls within protection scope of the present invention.
Claims (11)
1. a kind of pruner, including：
Motor, including stator assembly and rotor assembly；
Drive mechanism, by the Motor drive；
Pruning blade, is driven by the drive mechanism and does shearing motion；
Electric machine casing, for accommodating the rotor assembly of the motor；
Tool housing component, makes the drive mechanism and electric machine casing constitute an entirety；
Wherein,
The tool housing component includes：
First material portion, is at least made up of the first material；
Electric machine casing includes：
Second material portion, is at least made up of the second material；
At least partly expose the tool housing component in the second material portion.
2. pruner according to claim 1, it is characterised in that
The pruner also includes：
Drive housing, for accommodating the drive mechanism；
The drive housing exposes the tool assembly.
3. pruner according to claim 2, it is characterised in that
The drive housing, is at least partly made up of metal material.
4. pruner according to claim 2, it is characterised in that
The tool housing component exposes from side in the second material portion, and the drive housing exposes the tool housing component from relative opposite side.
5. pruner according to claim 1, it is characterised in that
The drive housing includes,
Drive housing body, is formed with accommodating chamber；
Several drive housing muscle, it is outwardly by drive housing body；
Gas channel is formed between two drive housing muscle.
6. pruner according to claim 5, it is characterised in that
The gas channel extends approximately along the direction parallel to the electrical axis.
7. pruner according to claim 5, it is characterised in that
Fan is provided with the electric machine casing,
The electric machine casing is provided with air outlet,
The air-flow that the fan is produced is entered from the gas channel and discharge from air outlet after electric machine casing.
8. pruner according to claim 5, it is characterised in that
Circuit board is provided with the tool housing component,
The tool housing is formed with air inlet,
The air-flow that the fan is produced sequentially passes through air inlet, circuit board, motor and air outlet.
9. pruner according to claim 1, it is characterised in that
The pruner also includes that the first in command, between pruning blade and motor；
The first in command is fixed to the drive housing.
10. the pruner as described in claim 1 to 9 any one, it is characterised in that
The pruner also includes battery bag, is that the motor is powered；
The tool housing includes the first housing and the second housing,
First housing, forms or is connected with the first in command；
Second housing, forms or is connected with the second in command；
The battery bag is bonded to second housing；
First housing and second housing include making them constitute with pivot center the first rotating junction and the second rotating junction for rotating connection as axle respectively；
Have when the second shell body phase is to first housing into rotation：First turned position and the second turned position,
Plane perpendicular to the pivot center is intersected with the planar tilt of the longitudinal axis perpendicular to the pruning blade.
11. pruners according to claim 10, it is characterised in that
In the plane perpendicular to the pruning blade longitudinal axis, first rotating junction and the motor are located at the homonymy of the pruning blade.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583676.2A CN106508447B (en) | 2015-09-15 | 2015-09-15 | Pruning machine |
| US15/262,681 US9877435B2 (en) | 2015-09-15 | 2016-09-12 | Hedge trimmer |
| EP16188367.3A EP3162190B1 (en) | 2015-09-15 | 2016-09-12 | Hedge trimmer |
| CA2941762A CA2941762C (en) | 2015-09-15 | 2016-09-13 | Hedge trimmer |
| AU2016101611A AU2016101611A4 (en) | 2015-09-15 | 2016-09-14 | Hedge trimmer |
| US15/862,153 US10433491B2 (en) | 2015-09-15 | 2018-01-04 | Hedge trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583676.2A CN106508447B (en) | 2015-09-15 | 2015-09-15 | Pruning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106508447A true CN106508447A (en) | 2017-03-22 |
| CN106508447B CN106508447B (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510583676.2A Active CN106508447B (en) | 2015-09-15 | 2015-09-15 | Pruning machine |
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| Country | Link |
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| CN (1) | CN106508447B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020173487A1 (en) * | 2019-02-27 | 2020-09-03 | 南京德朔实业有限公司 | Long pole power tool |
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| CN202773510U (en) * | 2012-04-30 | 2013-03-13 | 苏州劲山电动工具有限公司 | Novel pruning shears |
| CN103004485A (en) * | 2011-09-21 | 2013-04-03 | 苏州宝时得电动工具有限公司 | Pruning shears and garden tool |
| CN103299835A (en) * | 2013-05-30 | 2013-09-18 | 江苏苏美达五金工具有限公司 | Portable power tool |
| CN104186221A (en) * | 2014-09-22 | 2014-12-10 | 侯巧生 | Electric grape branch pruner |
| CN104641960A (en) * | 2013-11-22 | 2015-05-27 | 南京德朔实业有限公司 | Pruning machine |
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2015
- 2015-09-15 CN CN201510583676.2A patent/CN106508447B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103004485A (en) * | 2011-09-21 | 2013-04-03 | 苏州宝时得电动工具有限公司 | Pruning shears and garden tool |
| CN202773510U (en) * | 2012-04-30 | 2013-03-13 | 苏州劲山电动工具有限公司 | Novel pruning shears |
| CN103299835A (en) * | 2013-05-30 | 2013-09-18 | 江苏苏美达五金工具有限公司 | Portable power tool |
| CN104641960A (en) * | 2013-11-22 | 2015-05-27 | 南京德朔实业有限公司 | Pruning machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020173487A1 (en) * | 2019-02-27 | 2020-09-03 | 南京德朔实业有限公司 | Long pole power tool |
| CN111618796A (en) * | 2019-02-27 | 2020-09-04 | 南京德朔实业有限公司 | Long rod type electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106508447B (en) | 2020-01-31 |
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Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |