CN201976487U

CN201976487U - Electric garden shears

Info

Publication number: CN201976487U
Application number: CN2011200001612U
Authority: CN
Inventors: 徐森严
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-04
Filing date: 2011-01-04
Publication date: 2011-09-21
Anticipated expiration: 2021-01-04

Abstract

Disclosed are electric garden shears. A circuit control board of the shears is electrically connected with a motor and a position circuit board, an output shaft of the motor is in transmission connection with a planet gear mechanism which is in transmission connection with a bevel gear reduction mechanism, a bipolar hall element, a first monopolar hall element and a second monopolar hall element are disposed on the position circuit board, a first magnet is mounted on a driving switch and in induction fit with the bipolar hall element, a second magnet is mounted on the bevel gear reduction mechanism and can be respectively in induction fit with the first monopolar hall element and the second monopolar hall element, a third monopolar hall element in induction fit with the second magnet is further arranged on the position circuit board while an induction position is between an induction position of the first monopolar hall element and the second magnet and an induction position of the second monopolar hall element and the second magnet, and a limit switch is serially connected to a loop of the third monopolar hall element. Opening angles of movable blades of the shears can be adjusted, and the electric garden shears have the advantages of convenience in operation, wide application range and the like.

Description

Cut in a kind of electronic gardens

Technical field:

The utility model relates to a kind of electric tool, and cut in the electronic gardens that are specially a kind of gardens pruning usefulness.

Background technology:

Cut in the electronic gardens that occur on the market at present, comprise casing, circuit control panel, power supply, motor, driving switch, location circuit plate, planetary gears, awl tooth reducing gear, knife section and ledger-plate mostly, with the motor is power, shear through gear reduction rear drive blade, reach the purpose of beta pruning finishing, also improved operating efficiency, what yet the motor employing was cut in existing electronic gardens is direct current generator or brshless DC motor, need external AC power supply during use, provide to power supply and bring very big inconvenience; Moreover cut as the described electronic gardens of Chinese patent CN201020122277.9, its knife section actuator is affixed with awl tooth reducing gear, and control the first transaction of a day's business of blade by the Hall element on the magnetite sensed position circuit board, its blade spreading angle control is constant, need change cutter when causing gardens to meet the narrow place of branch in pruning, thereby bring very big inconvenience for horticulture person, limited the scope of application that cut in electronic gardens.

The utility model content:

Goal of the invention of the present utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of applied widely and electronic gardens that be convenient to operate and carry to cut.

In order to realize the foregoing invention purpose, the utility model has adopted following technical scheme:

Cut in a kind of electronic gardens, comprise casing, power supply, circuit control panel, motor, driving switch, the location circuit plate, planetary gears, awl tooth reducing gear, knife section, ledger-plate, first magnetite, second magnetite, the bipolarity Hall element, the first unipolarity Hall element and the second unipolarity Hall element, described circuit control panel and motor, the location circuit plate is electrically connected, the output shaft and the planetary gears of described motor are in transmission connection, planetary gears is in transmission connection with awl tooth reducing gear, described bipolarity Hall element, the first unipolarity Hall element and the second unipolarity Hall element are set in place on the circuits plate, described first magnetite is installed on the driving switch and with the induction of bipolarity Hall element and cooperates, described second magnetite is installed on the awl tooth reducing gear and according to the rotation of boring the tooth reducing gear and can cooperates with the first unipolarity Hall element and the induction of the second unipolarity Hall element respectively, also be provided with the 3rd a unipolarity Hall element that can cooperate on the described location circuit plate with the induction of second magnetite, and this sensed position is serially connected with the one stroke switch on the loop of described the 3rd unipolarity Hall element between the sensed position of the described first unipolarity Hall element and the second unipolarity Hall element and second magnetite.

The button of described travel switch exposes to casing.

Described power supply is rechargeable power supply.

The utility model has following advantage with respect to prior art:

First, the utility model is controlled the travel switch of the 3rd unipolarity Hall element break-make by the 3rd unipolarity Hall element and that increases by a restriction knife section backhaul distance, make the opening angle of knife section to turn down, thereby be convenient to electronic gardens and prune narrow and small branch etc., increase the scope of application.

The second, the power supply that cut in these electronic gardens adopts rechargeable power supply, is convenient to carry.

Description of drawings:

The structural representation that Fig. 1 cuts for the electronic gardens of the utility model;

Fig. 2 is circuit theory diagrams of the present utility model.

Embodiment:

Referring to Fig. 1 and Fig. 2, cut according to a kind of electronic gardens that the utility model provides, comprise casing 1, power supply 2, circuit control panel 12, motor 3, driving switch 4, location circuit plate 5, planetary gears 6, awl tooth reducing gear 7, knife section 9, ledger-plate 10, first magnetite 41, second magnetite 8, bipolarity Hall element 53, the first unipolarity Hall element 51 and the second unipolarity Hall element 52, circuit control panel 12 and motor 3, location circuit plate 5 is electrically connected, the output shaft of motor 3 and planetary gears 6 are in transmission connection, planetary gears 6 is in transmission connection with awl tooth reducing gear 7, knife section 9 and awl tooth reducing gear 7 are affixed or be made as one, knife section 9 is hinged with ledger-plate 10, ledger-plate 10 1 ends are fixed on the casing 1, bipolarity Hall element 53, the first unipolarity Hall element 51 and the second unipolarity Hall element 52 are set in place on the circuits plate 5, first magnetite 41 is installed on the driving switch 4 and with 53 inductions of bipolarity Hall element and cooperates, driving switch 4 is hinged on the casing, second magnetite 8 is installed on the awl tooth reducing gear 7 and according to the rotation of boring tooth reducing gear 7 and can cooperates with the first

unipolarity Hall element

51 and 52 inductions of the second unipolarity Hall element respectively, also be provided with the 3rd a unipolarity Hall element 54 that can cooperate on the location circuit plate 5 with 8 inductions of second magnetite, and this sensed position is serially connected with one stroke switch 11 on the loop of the 3rd unipolarity Hall element 54 between the sensed position of the first unipolarity Hall element 51 and the second unipolarity Hall element 52 and second magnetite 8.

The button 111 of described travel switch 11 exposes to casing 1, is convenient to manual operation.

Described power supply 2 is rechargeable power supply, is convenient to carry.

Blade was sheared when the utility model used two kinds of cut modes: one, when beginning rotating drive switch 4, bipolarity Hall element 53 on the S utmost point sensed position circuit board 5 of first magnetite, 41 sides, the output high level signal, and signal is passed to circuit control panel 12, driving motor 3 is just changeing, by planetary gears 6 and 7 transmissions of awl tooth reducing gear, driving knife section 9 rotates, carry out shearing work, when driving switch 4 turns to the final position, the first unipolarity Hall element, 51, the first unipolarity Hall elements, the 51 output low level signals that second magnetite 8 on the awl tooth reducing gear 7 can be sensed on the location circuit plate 5 are given circuit control panel 12, circuit control panel 12 stop signal output immediately, start electric brake simultaneously, make knife section 9 stop operating rapidly; When unclamping driving switch 4, bipolarity Hall element 53 on the N utmost point sensed position circuit board 5 of first magnetite, 41 sides, the output low level signal, and signal is passed to circuit control panel 12, drive motor 3 counter-rotatings, when awl tooth reducing gear 7 turns to another final position, second magnetite 8 on the awl tooth reducing gear 7 can be sensed the second unipolarity Hall element 52 on the location circuit plate 5, the second unipolarity Hall element, 52 output high level signals are given circuit control panel 12, circuit control panel 12 stop signal output immediately, start electric brake simultaneously, make knife section 9 stop operating rapidly; This process is maximum blade cut mode, and promptly the opening angle of knife section 9 is maximum.

They are two years old, when beginning rotating drive switch 4, bipolarity Hall element 53 on the S utmost point sensed position circuit board 5 of first magnetite, 41 sides, the output high level signal, and signal is passed to circuit control panel 12, driving motor 3 is just changeing, by planetary gears 6 and 7 transmissions of awl tooth reducing gear, driving knife section 9 rotates, carry out shearing work, when driving switch 4 turns to the final position, the first unipolarity Hall element, 51, the first unipolarity Hall elements, the 51 output low level signals that second magnetite 8 on the awl tooth reducing gear 7 can be sensed on the location circuit plate 5 are given circuit control panel 12, circuit control panel 12 stop signal output immediately, start electric brake simultaneously, make knife section 9 stop operating rapidly; At this moment, press lower stroke switch 11, conducting the 3rd unipolarity Hall element 54; Unclamp driving switch 4 then, bipolarity Hall element 53 on the N utmost point sensed position circuit board 5 of first magnetite, 41 sides, the output low level signal, and signal is passed to circuit control panel 12, drive motor 3 counter-rotatings, awl tooth reducing gear 7 rotates, when the 3rd unipolarity Hall element 54 on the close location circuit plate 5 in second magnetite, 8 positions on the awl tooth reducing gear 7, second magnetite 8 can be sensed the 3rd unipolarity Hall element 54 on the location circuit plate 5, the 3rd unipolarity Hall element 54 output high level signals are given circuit control panel 12, circuit control panel 12 stop signal output immediately starts electric brake simultaneously, makes knife section 9 stop operating rapidly; At this moment, knife section 9 opening angles diminish, and prune narrow and small branch thereby be convenient to electronic gardens, increase the scope of application.

Claims

1. cut in electronic gardens, comprise casing (1), power supply (2), circuit control panel (12), motor (3), driving switch (4), location circuit plate (5), planetary gears (6), awl tooth reducing gear (7), knife section (9), ledger-plate (10), first magnetite (41), second magnetite (8), bipolarity Hall element (53), the first unipolarity Hall element (51) and the second unipolarity Hall element (52), described circuit control panel (12) and motor (3), location circuit plate (5) is electrically connected, the output shaft of described motor (3) and planetary gears (6) are in transmission connection, planetary gears (6) is in transmission connection with awl tooth reducing gear (7), described bipolarity Hall element (53), the first unipolarity Hall element (51) and the second unipolarity Hall element (52) are set in place on the circuits plate (5), described first magnetite (41) is installed in driving switch (4) and upward and with bipolarity Hall element (53) induction cooperates, described second magnetite (8) is installed in awl tooth reducing gear (7) and upward and according to the rotation of boring tooth reducing gear (7) can cooperates with the first unipolarity Hall element (51) and the induction of the second unipolarity Hall element (52) respectively, it is characterized in that: also be provided with the 3rd a unipolarity Hall element (54) that can cooperate on the described location circuit plate (5) with second magnetite (8) induction, and this sensed position is positioned between the sensed position of the described first unipolarity Hall element (51) and the second unipolarity Hall element (52) and second magnetite (8), is serially connected with one stroke switch (11) on the loop of described the 3rd unipolarity Hall element (54).

2. cut in a kind of electronic gardens according to claim 1, it is characterized in that: the button (111) of described travel switch (11) exposes to casing (1).

3. cut in a kind of electronic gardens according to claim 2, it is characterized in that: described power supply (2) is rechargeable power supply.