CN208159288U - A kind of high life speed regulation grass trimmer - Google Patents

Abstract

The utility model discloses a kind of high life to adjust the speed grass trimmer, the actuator including cutting member and for driving the cutting member to act；It further include speed adjusting module and control module, the control module is electrically connected with the actuator and speed adjusting module respectively；The control module connects a radiating piece；The control module is equipped with the first connector, and the speed adjusting module is equipped with the second connector being electrically connected with first connector.The utility model is provided with speed adjusting module and the revolving speed of cutting member is adjusted, and grass trimmer is applied widely；It by the setting of radiating piece, prevents control module from occurring the case where overheating and burning out in work process, extends service life of equipment.

Description

A kind of high life speed regulation grass trimmer

Technical field

The utility model belongs to gardens equipment technology field, adjusts the speed grass trimmer more particularly, to a kind of high life.

Background technique

Grass trimmer be it is a kind of for cutting the grass on a lawn, the machine tool of vegetation etc., Chinese patent CN202385496U discloses It is a kind of《Grass trimmer》Comprising handle, barre, cutting blade and motor, blade rotate under the drive of the motor, and realization is cut Grass.But under this kind of structure, the revolving speed of blade be it is specified, can not adapt to speed regulation demand, smaller scope of application.

And the heat dissipation effect of grass trimmer is poor, is easy to appear the case where electrical part overheats, so that electrical part be caused to damage, makes It is short with the service life.

Utility model content

The utility model for overcome the deficiencies in the prior art, provides a kind of adaptation speed regulation demand, non-damageable longevity Life speed regulation grass trimmer.

To achieve the goals above, the utility model uses following technical scheme：A kind of high life speed regulation grass trimmer, including Cutting member and for drive the cutting member act actuator；It further include speed adjusting module and control module, the control module point It is not electrically connected with the actuator and speed adjusting module；The control module connects a radiating piece；The control module is equipped with first Connector, the speed adjusting module are equipped with the second connector being electrically connected with first connector.Speed adjusting module is provided in the utility model, Frequency and the output power etc. of actuator can be adjusted by the speed adjusting module, so that the revolving speed to cutting member is adjusted, so that Cutting member has different revolving speed gears, and when the lesser plant of corresponding cutting hardness, the revolving speed of cutting member is adjustable relatively slow, Reduce the energy consumption of actuator；When the biggish plant of cutting hardness, the revolving speed of cutting member is adjustable larger, and avoiding the occurrence of can not The case where cutting；To which in the plant of corresponding cutting different type, hardness, cutting member can be adjusted directly to revolving speed appropriate, It is applied widely；It by the setting of radiating piece, effectively radiates to control module, prevents control module from going out in work process The case where now overheating and burning out extends service life of equipment；After the first connector and the second connector are electrically connected by electric wire, Ji Keshi Existing control module be electrically connected with speed adjusting module, is electrically connected easy to operate, and it is easy to assemble, compare traditional mode using solder joint and Speech, connector can be replaced, and install also more convenient.

Further, the control module includes lower body, upper plate body and multiple capacitive elements, and the lower body is equipped with the One interconnecting piece and second connecting portion；Provided with the first, second interconnecting piece, so as to be inserted by the realizations such as cable or connector and power supply Connection between head, assembly is easy, easy to disassemble and replacement；And after passing through the first, second interconnecting piece of setting, fire is avoided the occurrence of The case where line, zero curve position connection error, improves the safety that equipment uses.

Further, the speed adjusting module includes shell and the control circuit board that is set in the housing, and the shell is equipped with Splenium is adjusted the speed, the control circuit board is equipped with the speed regulation button matched with the speed regulation splenium；Pass through speed regulation splenium and speed regulation The speed regulation to cutting member is realized in the cooperation of button, i.e., realizes operation by the operation of pressing, easy to operate, rapid；And only exist Speed regulation operation can be realized when being pressed into speed regulation button, avoid the occurrence of the feelings for accidentally touching and starting speed regulation during mowing Condition avoids that maloperation occurs.

Preferably, the shell is equipped with attaching plug, which connects with the first connecting portion and second respectively Socket part is electrically connected；Attaching plug is three pin plug, and use is safer；Attaching plug is electrically connected with control module, so as to pass through External power supply is directly powered control module；Attaching plug can pass through power supply line and extraneous alternating-current power supply, battery, vehicle Battery etc. is connected, and is powered to grass trimmer, power supply relevance grade is wide.

Further, the shell is equipped with the opening matched with the radiating piece.

Further, the shell is equipped with power switch, and the control circuit board is equipped with what power switch matched Switch button；By the power on/off of power switch and the cooperation control grass trimmer of switch button, guarantee is only opened by voltage source When putting into and being pressed into switch button, being just able to achieve the case where opening or closing, avoid the occurrence of error starting, makes grass trimmer With safer.

Further, the control circuit board is equipped with display part, and the shell is equipped with and matches with the display part Display window；The information such as grass trimmer revolving speed that can be current to grass trimmer on the display part, battery capacity, speed stage are shown Show, the current state of grass trimmer is intuitively observed convenient for operator, adjusts the speed more accurate.

Further, the control circuit board is equipped at least one indicator, and the shell is equipped with and the instruction The indication window that part matches；It, can be intuitive to carry out such as gear, the grass trimmer switch states of speed regulation by the setting of indicator Instruction, operator's observation is more intuitive, and speed regulation operation is more laborsaving.

Further, connecting rod is equipped between the cutting member and shell, the actuator passes through electric wire and the control Module is electrically connected, and the Cord section is arranged in the connecting rod, and the electric wire is externally provided with can generation when by external force Elastically-deformable cover；Cover has flexible ability, can match with connecting rod and play the role of duplicate protection to electric wire.

Further, the connecting rod is equipped with Non-slip material, is detachably connected a handle in connecting rod；It can be on the other hand when mowing Shell is held, holds handle on the other hand, makes the point of application gone smoothly to Forward, operation of mowing is more laborsaving；Provided with Non-slip material, mow When hand can also be held on Non-slip material, the frictional force between hand and connecting rod is increased by Non-slip material, prevents hand and connecting rod Between have skidded.

Preferably, the actuator is DC brushless motor；For comparing traditional brush motor, small volume, and It is more powerful, the volume and weight of grass trimmer entirety can be not only effectively reduced, the cutting effect and efficiency of cutting member also can be improved.

In conclusion the utility model has the following advantages that：It is adjusted provided with revolving speed of the speed adjusting module to cutting member, Grass trimmer is applied widely；By the setting of radiating piece, prevent control module from occurring the feelings for overheating and burning out in work process Condition extends service life of equipment.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the partial exploded view of the utility model.

Fig. 3 is the structural schematic diagram of control circuit board.

Fig. 4 is the partial schematic diagram of upper housing.

Fig. 5 is the bottom view of upper housing.

Fig. 6 is the cooperation schematic diagram of control module and radiating piece.

Fig. 7 is the decomposition diagram of cutting member.

Specific embodiment

In order to make those skilled in the art better understand the utility model, below in conjunction with the utility model reality The attached drawing in example is applied, the technical solutions in the embodiments of the present invention are clearly and completely described.

As shown in figs. 1-7, a kind of high life adjusts the speed grass trimmer, including cutting member 1 and for driving the cutting member to act Actuator 2, speed adjusting module 3, control module 4 and connecting rod 5, the actuator 2 are the direct current being directly commercially available on the market Brushless motor, specific structure repeat no more；Specifically, the speed adjusting module 3 includes shell 31 and the control being set in the housing electricity Road plate 32, the connecting rod 5 are set between the cutting member 1 and shell 21, which is equipped with a metal connecting piece 53, 53 one end of connector has the cavity being inserted into for the body of rod, and the other end is detachably connected by screw and the actuator；In order to Convenient that the revolving speed of cutting member is adjusted, we are provided with speed regulation splenium 311 on the shell 31, and in the control electricity The speed regulation button 321 matched with the speed regulation splenium 311 is provided on road plate 32, when the pressing speed regulation splenium 311 is to press When moving the speed regulation button 321, actuator frequency conversion both can control, so as to adjust the revolving speed of cutting member.

The control module 4 is electrically connected with the actuator 2 and speed adjusting module 3 respectively；Specifically, the control module 4 is wrapped Lower body 41 and upper plate body 42 are included, upper and lower plate body is circuit board, and lower body 41 and upper plate body 42 are respectively provided with multiple capacitors Part 44, which is the capacitor directly bought on the market, therefore structure does not repeat them here；4 supporting elements are equipped between upper and lower plate body 45, the supporting element 45 is interior to be equipped with screw hole, can be connected with screw, to removably be arranged between upper and lower plate body；The speed regulation Module 3 is connected by electric wire with the control module 4, specifically, 32 back side of the control circuit board is equipped with the first connector 326, The second connector 421 is arranged in 42 upper surface of upper plate body, and one end of the electric wire is connected with first connector, the other end and institute It states the second connector to be connected, realization speed adjusting module 3 is electrically connected with control module 4；Specifically, first connector and the second connector are equal For plastic part, there is the sheet metal being electrically connected with electric wire in inside；In order to which electric wire is fixed, we are arranged in 31 inner wall of shell Bond 36, the bond 36 are the strip foam that surface is coated with glue, and electric wire may adhere on the bond, thus right The position of electric wire is fixed.

Preferably, a fixed radiating piece 43 on the lower body 41, the radiating piece 43 are made of metal, on the shell 31 Equipped with the opening 316 being pierced by for the radiating piece；Heat in control module can be transferred directly on radiating piece 43, then pass through heat dissipation The case where part 43 radiates outward, and control module is avoided to overheat.

Further, the shell 31 is equipped with attaching plug 315, which is three pin plug, attaching plug 315 are electrically connected by two connecting lines with the control module 4；The attaching plug 315 can be connected by power supply line with power supply, Yu Ben In embodiment, the power supply is external battery, is carried for convenience to battery, we are also provided with a power supply packet 20, battery is assembled and carried by the power supply packet；In other embodiments, the power supply can also be the exchange of household The battery of electricity or electric vehicle, automobile.

Specifically, the lower body 41 is equipped with first connecting portion 411 and second connecting portion 412, two connecting line is equal For electric wire, color is set as black line and red line, and one end of the red line is connected with the first connecting portion 411, the other end and institute It states and is electrically connected with the firewire of attaching plug；Specifically, red line end is equipped with a metal fastener 10, the fastener and attaching plug are slotting Cooperation is connect, to realize being detachably connected for red line and attaching plug；One end of the black line and 412 phase of second connecting portion Even, the other end is electrically connected with the zero curve with attaching plug；Specifically, black line end is equipped with a metal fastener 10, the fastener It is mating with attaching plug, to realize being detachably connected for red line and attaching plug.

The actuator 2 is electrically connected by electric wire 21 with the control module 4, and the lower body 41, which is equipped with, supplies the electric wire The third interconnecting piece 413 of 21 connections；One end of electric wire is connected on the third interconnecting piece 413, and the other end passes through the connection After 5 inside of bar, it is pierced by from 53 front end of connector and is electrically connected with the actuator；Preferably, being arranged outside the electric wire 21 One cover 22, the cover 22 are bellows made of plastics, elastic deformation can occur when by external force, are stretched Or shrink, effective protection is carried out to electric wire.

Further, 31 top of shell is equipped with the upper chamber 33 for accommodating control circuit board 32, and lower part, which is equipped with, to be used It is grab handle 35 between the lower chambers 34 for accommodating control module, upper and lower chambers, is held convenient for the hand of user;The shell 31 include upper housing 318 and lower body 319, and upper-lower casing is removably attachable to together by screw；Shell 31 is equipped with electricity Source switch 312, the control circuit board 32 are equipped with the switch button 322 matched with power switch 312；The power switch 312 include open splenium 3121 and close splenium 3122, the switch button 322 include with open splenium it is corresponding open by Button 3221 and close button 3222 corresponding with splenium is closed；In order to facilitate use, menu pressure is also provided on the shell Portion 317, the control circuit board 32 are equipped with the menu button 327 matched with menu splenium 317；Preferably, described Display part 323 and indicator 324 are provided in control circuit board 32, which is display screen, and indicator 324 refers to for LED Show that lamp, indicator 324 are set as two rows of, are arranged on the left and right sides of display part, every row is respectively 4 LED lights, can be used In 4 different gears of display；The display part 323 and indicator 324 are electrically connected with the control circuit board 32；The shell The display window 313 matched with the display part 323 and the indication window matched with the indicator 324 are provided on 31 314, so as to clearly observe the instruction situation of information and indicator light on display part.

Specifically, being provided with a rectangular openning on the shell, four are provided in the lower part of the openning Circular open, position correspond respectively to release the button 3221, close button 3222, menu button 317 and speed regulation button 321 Position setting；4 circular opens are respectively provided at left and right sides of openning, the position of 4 circular opens corresponds respectively to institute State the position setting of indicator 324；Adhere to one layer of plastic sheet on surface on the housing later, which corresponds to opening The position of window is transparent setting, forms the display window 313；Circle on plastic paper corresponding to the left and right sides of openning Opening is light transmission or transparent setting, forms the indication window 314；4 on plastic paper corresponding to the lower part of openning It is respectively provided with " ON ", " OFF " " MENU " and arrow mark at circular open, opens splenium 3121 to be respectively formed, close Close splenium 3122, menu splenium 317 and speed regulation splenium 311.

In this present embodiment, the cutting member 1 includes blade 11, positioning disk 12, anticreep on actuator output shaft Part 13 and gasket 14；The positioning disk 12 is disk made of plastics, and the anti-falling piece 13 is to be screwed on motor output shaft Hex nut, the gasket 14 are ring structure setting, and pad is located between the positioning disk and anti-falling piece；The blade 11 is city The alloy blade that the grass trimmer directly bought on face uses, repeats no more；In other embodiments, the cutting member be may also set up Being includes turntable 15, beat the grass rope 16, anti-falling piece and the gasket that match with the turntable, and it is defeated that the center of turntable portion is equipped with power supply machine The through-hole that shaft passes through, side wall are equipped with the through slot being pierced by for rope of beating the grass, correspond on the other side of through slot on the turntable and be bolted with One screw；Described beat the grass restricts one end equipped with metal cap, and by the setting of the metal cap, can effectively prevent beating the grass restricting takes off from through slot Out；The anti-falling piece is the hex nut being screwed on motor output shaft, and the gasket is ring structure setting, and pad is located at described Between turntable 15 and anti-falling piece.

Preferably, the connector 53, which corresponds to, is equipped with an open slot 531 at the position of cavity, so that connector 53 has Certain deformability, the connection between connecting rod are more secured；Further, 53 side wall of connector corresponds to opening It is respectively formed a fixed protrusion 532 on the left and right sides of slot 531, threaded hole is respectively equipped on protrusion, a screw 533 passes through two spiral shells A nut is connected after pit；To by rotating inward rotating nuts, that is, can control the internal diameter of the cavity to reduce, to work as When connecting shank diameter less than cavity inside diameter, connecting rod 5 still may be implemented securely to connect with connector 53.

Further, the connecting rod 5 is equipped with Non-slip material 51, which is to be adhered on connection rod outer surface Foam encasement；A handle 52 is detachably connected in the connecting rod 5；The connecting rod front end is provided with a fan-shaped grass guard 53.

Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts The range of the utility model protection all should belong in every other embodiment.

Claims (10)

1. a kind of high life adjusts the speed grass trimmer, including cutting member（1）With the actuator for driving the cutting member to act（2）；Also Including speed adjusting module（3）And control module（4）, the control module（4）Respectively with the actuator（2）And speed adjusting module（3） It is electrically connected；It is characterized in that：The control module connects a radiating piece（43）；The control module（4）It is equipped with the first connector （326）, the speed adjusting module（3）It is equipped with the second connector being electrically connected with first connector（421）.

2. the high life according to claim 1 adjusts the speed grass trimmer, it is characterised in that：The control module includes lower body （41）, upper plate body（42）And multiple capacitive elements（44）, the lower body is equipped with first connecting portion（411）And second connecting portion （412）.

3. the high life according to claim 2 adjusts the speed grass trimmer, it is characterised in that：The speed adjusting module（3）Including shell （31）With the control circuit board being set in the housing（32）, the shell（31）It is equipped with speed regulation splenium（311）, the control circuit Plate（32）It is equipped with and the speed regulation splenium（311）The speed regulation button matched（321）.

4. the high life according to claim 3 adjusts the speed grass trimmer, it is characterised in that：The shell（31）It is inserted equipped with power supply Head（315）, the attaching plug（315）Respectively with the first connecting portion（411）And second connecting portion（412）It is electrically connected.

5. the high life according to claim 3 adjusts the speed grass trimmer, it is characterised in that：The shell（31）Be equipped with it is described The opening that radiating piece matches（316）.

6. the high life according to claim 3 adjusts the speed grass trimmer, it is characterised in that：The shell（31）It is opened equipped with power supply It closes（312）, the control circuit board（32）It is equipped with and power switch（312）The switch button matched（322）.

7. the high life according to claim 3 adjusts the speed grass trimmer, it is characterised in that：The control circuit board（32）It is equipped with Display part（323）, the shell（31）It is equipped with and the display part（323）The display window matched（313）.

8. the high life according to claim 3 adjusts the speed grass trimmer, it is characterised in that：The control circuit board（32）It is equipped with At least one indicator（324）, the shell（31）It is equipped with and the indicator（324）The indication window matched（314）.

9. the high life according to claim 1 adjusts the speed grass trimmer, it is characterised in that：The cutting member（1）And shell（31） Between be equipped with connecting rod（5）, the actuator（2）Pass through electric wire（21）With the control module（4）It is electrically connected, the electric wire（21） Part is arranged in the connecting rod（5）It is interior, the electric wire（21）Be externally provided with can occur when by external force it is elastically-deformable Cover（22）.

10. the high life according to claim 9 adjusts the speed grass trimmer, it is characterised in that：The connecting rod（5）It is equipped with anti-skidding Part（51）, connecting rod（5）On be detachably connected a handle（52）.