CN2865254Y

CN2865254Y - Electric pruning shears

Info

Publication number: CN2865254Y
Application number: CN 200620053829
Authority: CN
Inventors: 黄俊明
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-01-16
Filing date: 2006-01-16
Publication date: 2007-02-07
Anticipated expiration: 2016-01-16

Abstract

The utility model relates to a pair of electric lopping shears. Wherein, a DC brushless motor is driven, through an IC control system the action of the finger trigger is consistent with the opening and closing of the cutter edge, that is, when one triggers the finger trigger inward, the upper cutter acts downward to shear, after shearing, by removing one's finger from the trigger, the upper cutter rises upward and becomes standby. The new electric lopping shears use the IC control system including a linear Hall S mounted in the trigger as well as its corresponding sensing magnet S4, also front and back positioning Hall S2, S3 mounted on the casing as well as their corresponding sensing magnet S1 mounted on the ball nut to control the closing of cutter edge, so as to provide a pair of simple, easy to use and efficient electric looping shears.

Description

A kind of electric shrub and hedge trimmer

[technical field]

The utility model relates to a kind of shrub and hedge trimmer, relates in particular to the electric shrub and hedge trimmer that a kind of IC of utilization circuit board is controlled its shear history.

[background technology]

Be used for shearing flowers and fruits in the prior art, the common tool of trees branches and leaves is for manually cutting, shape is as scissors, and practicality is got up very hard, and intensity is big, efficient is low, because the development of gardens fruit tree cause also has multiple electric shrub and hedge trimmer, with the motor power at present, through the rotation of gear reduction rear drive circular saw blade, reach the purpose of beta pruning finishing.Yet the electric shrub and hedge trimmer benefit in performance of prior art is not high.

[summary of the invention]

At the problem of above-mentioned existence, but providing a kind of chargeable cell that utilizes, the purpose of this utility model is the power supply operate as normal, convenient use, the electric shrub and hedge trimmer that efficient is high.

For realizing above-mentioned purpose, the technical solution of the utility model is to provide a kind of electric shrub and hedge trimmer, comprising: blade group, body, and finger trigger; It is characterized in that: described body comprises:

One ball nut, described ball nut comprise that force and induced magnet S1 placed on it can produce induction, and are moved up and down by the upper slitter that drives the blade group that moves forward and backward of ball nut;

One ball screw, described ball screw comprises threaded portion and planet stent, wherein, and described threaded portion and the combination of ball nut coupling, ball nut can move forward and backward by described ball screw left rotation and right rotation attached to ball screw;

The combination of one epicyclic reduction gear, an end is fixedlyed connected with ball screw, and the other end is connected with DC Brushless Motor;

One direct current brushless motor can just change, counter-rotating, acceleration and deceleration and reach and drive the ball screw move left and right;

One group of IC circuit control system is controlled just commentaries on classics, counter-rotating and the acceleration and deceleration of described DC Brushless Motor.

The combination of described epicyclic reduction gear comprises big sun gear, three asteroid teeth and Sunny tooth, wherein, described asteroid tooth is placed on the planet stent of ball screw, described Sunny tooth is fixed on the shaft of DC Brushless Motor, three asteroid teeth of rotation drive by motor are rotating in big sun gear, and drive the ball screw move left and right.

Support the ball screw support of described ball screw when comprising a rotation between described epicyclic reduction gear combination and the ball screw.

Described electric shrub and hedge trimmer comprises that one group of IC circuit control system controls just commentaries on classics, counter-rotating and the acceleration and deceleration of described DC Brushless Motor, and wherein, described IC circuit control system comprises that one is loaded on the linear Hall S on the trigger, with and corresponding induced magnet S4; And location, front and back Hall S2, the S3 and the corresponding induced magnet S1 that is loaded on the ball nut thereof that are loaded on upper casing.

When people's finger is pulled trigger, be that C4 is when inside, the induced magnet S4 that is loaded on the trigger responds to linear Hall S immediately and produces signal, motor just changes from slow to fast thereby signal passes to the shake-up of motor chip, retreat and drive ball nut C1, when the induced magnet S1 on placing ball nut C1 senses the back location Hall S3 that places the casing top, promptly produce signal and pass to the motor chip motor is stopped, blade promptly is in closure state up and down, shears function and finishes.

When people's finger unclamps, spring in the trigger impels the trigger counter motion, another utmost point of induced magnet S4 begins to respond to linear Hall S1 and produces signal, signal passes to motor chip shake-up motor and reverses from slow to fast, the drive ball nut retreats, and blade begins to open up and down, when the induced magnet S on the ball nut senses the prelocalization Hall S2 that places casing top, ball nut stops, and blade is in open configuration.

Because the delay that the utility model utilizes chargeable cell to discharge, drive a DC Brushless Motor, through above-mentioned IC circuit control system, make the motion of finger trigger form consistent action with the folding of blade group, promptly pull the finger trigger when inside with finger as people, upper slitter i.e. action downwards, form and shear function, after shear action was finished, as long as unclamp finger, promptly upper slitter upwards rose immediately, form holding state, how many fingers pulls, and how many blades promptly presses down, and how many blades finger loosens and promptly what rise, be to utilize the control of IC circuit control system, can control the electric shrub and hedge trimmer of blade closure freely, thereby a kind of convenient use, the electric shrub and hedge trimmer that efficient is high are provided.

[description of drawings]

Fig. 1 is the stereogram of a kind of electric shrub and hedge trimmer of the utility model;

Fig. 2 is the explosive view of a kind of electric shrub and hedge trimmer of the utility model;

Fig. 3 is the structural representation of the IC circuit control system of a kind of electric shrub and hedge trimmer of the utility model.

Wherein, blade group 1, bed plate 11, upper slitter 12, body 2, ball nut 21, ball screw 22, DC Brushless Motor 23, finger trigger 31.

[embodiment]

Below in conjunction with accompanying drawing the utility model is further detailed structure of the present utility model, characteristics and purpose.

As Fig. 1, shown in Figure 2, a kind of electric shrub and hedge trimmer of the utility model comprises: blade group 1, body 2, and finger trigger 31.

Described blade group 1 comprises a bed plate 11, is fixed on the body 2 by screw 111,112; One upper slitter 12, its closed up and down formation with bed plate 11 is sheared function, fix and regulate its tightness by screw 121,122, wherein, but by the degree of tightness appropriate regulation of screw 121 tightness degree of cutter up and down, reach best shear effect, the back is fixing by screw 111, keeps the steady status of screw 121; The pull bar 13 of one upper slitter, described pull bar comprises three fulcrums 131,132,133, its front end fulcrum 131 combines with the screw hole 123 of upper slitter 12 and forms the cutter point, and the corresponding protruding point (not shown) of rear end fulcrum 132,133 and ball nut 21 is in conjunction with the bridge of formation pulling force.

Described finger trigger 31 comprises an induced magnet S4, and a linear Hall S, and activity can produce signal to control panel.

Its body 2 comprises ball nut 21, ball screw 22, and epicyclic reduction gear combination 24, one ends are fixedlyed connected with ball screw 22, and the other end is connected with DC Brushless Motor 23.

Wherein ball nut 21 moves forward and backward by described ball screw 22 left rotation and right rotation attached to ball screw 22, thereby it is closed about in the of 12 to drive upper slitter, when ball nut 21 retreats, upper slitter 12 forms to lower compression and shears, ball nut 21 is if advance, then upper slitter 12 upwards rises, and moves so repeatedly, reaches the purpose of continuous shearing.

Described ball screw 22 drives by DC Brushless Motor 23 and carries out move left and right, comprising ball screw support 221, when ball screw 22 by motor 23 forward and reverse rotations and left rotation and right rotation, its central shaft is supported by ball screw support 221, above-mentioned ball screw support 221 closely entangles mutually with the big sun gear 242 of epicyclic reduction gear combination 24 again, big sun gear 242 comprises that three asteroid teeth 241 rotate, and asteroid tooth 241 is enclosed within above the outstanding axle of ball screw 22 away from the planet stent 222 of ball nut 21 ends.

Comprise a Sunny tooth 231 on the shaft of DC Brushless Motor 23, during by the rotation of DC Brushless Motor 23, described Sunny tooth 231 drives three asteroid teeth 241 and rotates in big sun gear 242, and reach the afterburning effect of slowing down, and a motor chip 232, rotate thereby touch motor 23 in order to received signal.

In order to make a kind of electric shrub and hedge trimmer of described utility model use convenient, just commentaries on classics, counter-rotating and the acceleration and deceleration of wherein said DC Brushless Motor 23, just commentaries on classics, counter-rotating and the acceleration and deceleration of described DC Brushless Motor are controlled by one group of IC circuit control system, as shown in Figure 3, wherein, described IC circuit control system comprises that one is loaded on the linear Hall S on the trigger 31, with and corresponding induced magnet S4; And location, front and back Hall S2, the S3 and the corresponding induced magnet S1 that is loaded on the ball nut 21 thereof that are loaded on upper casing.

When people's finger is pulled trigger 31, the induced magnet S4 that is loaded on the trigger 31 responds to linear Hall S immediately and produces signal, 232 shake-up motors 23 just change from slow to fast thereby signal passes to the motor chip, retreat and drive ball nut 21, when the induced magnet S1 on placing ball nut 21 senses the back location Hall S3 that places casing 2 tops, promptly produce signal and motor 23 is stopped for motor chip 232, blade 12 promptly is in closure state up and down, shears function and finishes.

When people's finger is pulled trigger 31 and is unclamped, spring (not shown) in the trigger 31 is impelled trigger 31 counter motions, another utmost point of induced magnet S4 begins to respond to linear Hall S1 and produces signal, signal passes to motor chip 232 shake-up motors 23 and reverses from slow to fast, drive ball nut 21 and retreat, blade begins to open up and down, when the induced magnet S1 on the nut 21 senses the prelocalization Hall S2 that places casing top, nut stops, and blade is in open configuration.Like this, finger trigger 31 loosens promptly forward backward backward promptly, forms operation flexibly.

Because the delay that the utility model utilizes chargeable cell to discharge, drive a DC Brushless Motor 23, through above-mentioned one group of IC control system, make the motion of finger trigger 31 form consistent action with the folding of blade group 1, promptly pull finger trigger 31 inwardly the time with finger as people, upper slitter 12 i.e. action downwards, form and shear function, after shear action was finished, as long as unclamp finger, promptly upper slitter 12 upwards rose immediately, form holding state, how many fingers pulls, and how many blades promptly presses down, and how many blades finger loosens and promptly what rise, be to utilize multiple electronic chip control, can control the electric shrub and hedge trimmer of blade closure freely, thereby a kind of convenient use, the electric shrub and hedge trimmer that efficient is high are provided.

The above person is the utility model most preferred embodiment only, is not to be used to limit scope of the present utility model, and all equivalences of being done according to the utility model claim change or modify, and are all the utility model and contain.

Claims

1, a kind of electric shrub and hedge trimmer comprises: blade group, body, and finger trigger; It is characterized in that: described body comprises:

One ball nut, described ball nut comprise that force and magnet S1 placed on it can produce induction, and are moved up and down by the upper slitter that drives the blade group that moves forward and backward of ball nut;

One direct current brushless motor just changes, counter-rotating, acceleration and deceleration and drive the ball screw move left and right;

2, electric shrub and hedge trimmer according to claim 1 is characterized in that: described IC circuit control system comprises that one is loaded on the linear Hall S on the trigger, with and corresponding induced magnet S4; And location, front and back Hall S2, the S3 and the corresponding induced magnet S1 that is loaded on the ball nut thereof that are loaded on body.

3, electric shrub and hedge trimmer according to claim 1, it is characterized in that: described epicyclic reduction gear combination comprises big sun gear and three asteroid teeth, wherein, described asteroid tooth is placed on the planet stent of ball screw, Sunny tooth on the shaft of described DC Brushless Motor, three asteroid teeth of rotation drive by motor are rotating in big sun gear, and drive the ball screw move left and right.

4, electric shrub and hedge trimmer according to claim 1 is characterized in that: described blade group comprises that a bed plate is fixed on the body by screw; Its tightness is fixed and regulated to one upper slitter by screw, and the pull bar of a upper slitter, described pull bar comprise three fulcrums, and its front end fulcrum combines with the screw hole of upper slitter and forms the cutter point, rear end fulcrum and ball nut to the protruding point in conjunction with forming the pulling force bridge.

5, electric shrub and hedge trimmer according to claim 1 is characterized in that: the ball screw support that supports described ball screw when wherein comprising a rotation between epicyclic reduction gear combination and the ball screw.