CN207854500U - A kind of grass trimmer - Google Patents

Abstract

The utility model discloses a kind of grass trimmer, including lever, strut and cutting part, the cutting part include shell, cutting member, actuator and with the matched fixed component of the actuator；The fixed component be equipped with location structure for being limited to the cutting member and with the matched anti-falling piece of institute's cutting member.Cutting member and actuator is arranged in the utility model, and cutting member can quickly cut off grass, and work efficiency is high；Fixed component is set, and cutting member is not easily to fall off, improves equipment safety；Cutting member is located on location structure, is avoided cutting from loosening, is influenced to use；Ensuring equipment safe and highly efficient operation is also convenient for dismounting cutting member, is convenient for changing；Setting anti-falling piece ensures that cutting member will not loosen, existing duplicate protection.

Description

A kind of grass trimmer

Technical field

The utility model belongs to mower art field, more particularly, to a kind of grass trimmer.

Background technology

On existing market, grass trimmer is common mowing-apparatus, but existing grass trimmer only passes through the device of screw at it Blade is fixed, blade is not positioned, is easily caused under blade rotation for a long time, rub aggravation between screw, makes Become larger at for the through-hole that screw passes through, causes blade to occur acutely to shake under rotation, device is caused to damage；Blade is in play simultaneously Under strong shake, screw loosening can be made, blade is easily caused and fall off, security threat is caused to user of service.

Utility model content

The utility model for overcome the deficiencies in the prior art, provides a kind of safe grass trimmer.

To achieve the goals above, the utility model uses following technical scheme：A kind of grass trimmer, including lever, strut And cutting part, the cutting part include shell, cutting member, actuator and with the matched fixed component of the actuator； The fixed component be equipped with location structure for being limited to the cutting member and with the matched anti-falling piece of institute's cutting member.This Utility model drives cutting member quickly to rotate by the way that cutting member and actuator, actuator is arranged, and can quickly cut off grass, work effect Rate is high, small and easy to operate, light-weight easy to remove；By the way that cutting member to be set in fixed component, cutting member is not easy It falls off, improves equipment safety and ensuring equipment stability, and cutting member is located on location structure, realize and cutting member is positioned, It avoids cutting member from being loosened because quickly rotating, influences device use；Location structure has ensured that device can safely and efficiently be run, should Set-up mode can also cutting member easy to disassemble, be convenient for changing；Anti-falling piece is set, can further ensure cutting member use in the process not It can loosen, and then realize duplicate protection and fixation.

Further, the location structure includes the location indentations being set in the fixed component, and the cutting member is at least Part is set in the location indentations；Cutting member part is arranged in location indentations, the side wall of location indentations carries out cutting member It limits, the left and right of cutting member can be also ensured when ensureing that cutting member will not dally on location structure, while cutting member being installed Both sides or so Cheng Changdu is consistent, ensures stability when cutting member rotation.

Further, the location structure further include be equipped with the location indentations in card-bit part, the cutting member with should Card-bit part matches；Card-bit part is matched with cutting member, can be assemblied in location indentations convenient for cutting member, while also further The accuracy for ensureing cutting member installation realizes secondary positioning to cutting member, further ensures that cutting member deflects, while may be used also Activity of the cutting member in location indentations is limited, avoids cutting member that left and right offset occurs in location indentations.

Further, the cutting member is equipped with limiting section, and the card-bit part is arranged in the limiting section；Setting limit Portion penetrates convenient for card-bit part to limiting section, to limit cutting member rotation.

Further, the actuator is equipped with output shaft, which coordinates with the fixed component rotation stop；It is described defeated Shaft coordinates with the fixed component rotation stop, both can also can avoid effectively by the power transmission to fixed component of actuator It skids between output shaft and fixed component, output shaft is avoided to dally, and then ensured the normal circumgyration incision of cutting member.

Further, the output shaft is equipped with the first rotation prevention portion, and the fixed component is equipped with and first rotation stop Matched second rotation prevention portion in portion；First rotation prevention portion and the second rotation prevention portion are a flat surface respectively.Two planes fit, therefore not It can skid.

Further, the shell is removably connected with a protective cover；Protective cover prevents careless splashing, and foot is avoided to touch Cutting member, it is safe.

Further, the protective cover is equipped with buckle structure, and the shell is equipped with matched with the buckle structure Buckling parts；Buckle structure is matched with buckling parts, and protective cover is made to be completely embedded with shell, not easily to fall off, and connection type is simple, It is easily installed, reduces manufacturing cost.

Further, the lever be equipped with a switch block, the switch block include switch member, with the switch member phase The activation members of cooperation and with the matched safety member of the activation members；Setting activation members can be convenient for turning on the switch part, simplify operation, It is time saving and energy saving；Safety member is matched with activation members, and activation members need first to open safety member before opening, and maloperation is avoided to press startup Part.Further, the safety member is connected with a resetting spring, and the lever is equipped with holding division, the resetting spring part set On the holding division；Resetting spring can automatically reset safety member, be not required to artificially deliberately operate, all play safe work at any time With；Holding division pair can position resetting spring, ensure that resetting spring one end is fixed, the resetting spring other end can be with the safety Part is stretched, and then is deformed upon down and can be made safety member Rapid reset.

In conclusion the utility model setting cutting member and actuator, cutting member can quickly cut off grass, working efficiency It is high；Fixed component is set, and cutting member is not easily to fall off, improves equipment safety；Cutting member is located in location indentations, avoids cutting pine It is dynamic, it influences to use；Ensuring equipment safe and highly efficient operation is also convenient for dismounting cutting member, is convenient for changing；Anti-falling piece is set and ensures cutting Part will not loosen, existing duplicate protection.

Description of the drawings

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

Fig. 2 is the partial schematic diagram one of the utility model.

Fig. 3 is the partial schematic diagram two of the utility model.

Fig. 4 is the protective cover schematic diagram of the utility model.

Fig. 5 is the enlarged drawing of A in Fig. 1.

Fig. 6 is the partial sectional view of the utility model.

Fig. 7 is the enlarged drawing of B in Fig. 6.

Specific implementation mode

In order to make those skilled in the art be better understood from the utility model, below in conjunction with the utility model reality The attached drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model.

As shown in figs. 1-7, a kind of grass trimmer, including lever 1, strut 2 and cutting part 3, wherein the lever 1 is set to branch One end of bar 2, cutting part 3 are set to the other end of strut 2, and strut 2 is metal tube；The cutting part 3 includes being fixed on branch Shell 31, actuator 34, fixed component 33 on bar 2 and cutting member 32, the cutting member 32 are blade made of plastics；Tool Body, the shell 31 is a plastic shell, and the actuator is arranged in the shell 31, and actuator 34 is motor, described Output shaft 341 on actuator 34 is stretched out in the shell 31 and the cooperation of 33 rotation stop of fixed component, rotation stop cooperation To be equipped with the first rotation prevention portion on the output shaft 341, which is one be located on 341 length direction of output shaft A plane is set in the fixed component 33 there are one through-hole, and the through-hole is interior to be equipped with the second rotation prevention portion, second rotation stop Portion is setting and a plane on through-hole wall, when the output shaft 341 is penetrated to through-hole, described first Rotation prevention portion and the second rotation prevention portion are in contact, and are then set on output shaft 341 by a nut, realize output shaft 341 and institute State the connection of fixed component 33.

Specifically, the fixed component 33 includes anti-falling piece 35 and location structure, wherein the location structure 30 wraps Location indentations 331 and card-bit part 332 are included, are set on the cutting member 32 there are one interconnecting piece 323, which is cutting member 32 interlude, the interconnecting piece 323 are set in the location indentations 331；Card-bit part 332 is located at the card in location indentations 331 Position part 332 is the pillar for being fixed on 331 bottom surface of location indentations, and limiting section 322 is equipped on cutting member 32, which is One opening, the card-bit part 332 penetrate into the limit portion 322；Further include simultaneously anti-falling piece on the fixed structure 30 35, which is the screw being spirally connected with the fixed component 33, and the cutting member 32 is equipped with through-hole, the anticreep Part 35 is penetrated to through-hole, and then anti-falling piece is connected with fixed component；In order to better stationary cutter 32, in fixed part A capping 34 is also provided on part 33, which is a plastic lid, after installing cutting member 32, will be covered using screw 34 are fixed on cutting member 32.

Further, it is equipped with concave ring 319 on the shell 31, is set on the concave ring 319 there are one accessory plate 5, this is auxiliary It is round plastic plate to help plate 5, and interval is provided with multiple auxiliary tanks 51 on the accessory plate 5, and when mowing, careless top enters In auxiliary tank 51, then cutting member 32 cuts off the lower part of grass, avoids the case where grass falls down in advance when cutting member 32 cuts off grass, carries The high mowing efficiency of grass trimmer；It is additionally provided with groove 318 in the lower section of the concave ring 319, is detachably connected at the groove 318 There are one fan-shaped protective cover 41, which is by being obliquely installed under；With there are one being set on the protective cover 41 The buckle structure 411 of hook, the buckle structure are barb；It is set on the inner wall of first concave ring 319 there are one buckling parts 311, The buckling parts is an opening, and the overhead kick of the buckle structure 411 hooks in buckling parts 311 to complete to connect.

Further, hand grip portion 19 there are one being set on the lever 1 is provided with a switch portion on the hand grip portion 19 Part 11 and safety member 12, wherein the switch block 11 include switch member 111 and with 111 matched activation members 112 of switch member, Specifically, the switch member 111 is existing microswitch part in the market, therefore repeat no more, which passes through electric wire It is connected with the actuator 34, and electric wire is passed through from the cavity inside strut 2；The activation members 112 are and shell The L-shaped unit of plastic of 31 flexible connections, switch member 111 can be opened by pressing activation members 112；The safety member 12 is arranged in the switch By part 111, set on the safety member 12 there are one cavity 129,129 are mounted with a resetting spring 121, the reset in the cavity Spring 121 is spring；And a holding division 13 is provided on shell 31, which is the fritter being located in shell 31 Unit of plastic, the holding division 13 snap onto in resetting spring 121, realize and are positioned to 121 one end of resetting spring；In order to avoid holding division 13 limitation safety member, 12 activity, is provided with recess portion 128 on safety member 12, to when safety member 12 moves left and right, block Gu portion 13 is located in the recess portion 128,12 activity of safety member will not be impacted；It is convex provided with one on the safety member 12 127 are played, which can increase the frictional force of hand and safety member 12, convenient for pushing resetting spring 121.

Further, it is provided with the placed cavity that one end is opening setting on the lever 1, is arranged in the placed cavity One battery that can be taken off is provided with metal contact chip in the lower end of the battery；It is provided in the lever 1 and contact chip Matched shrapnel 19, which is connected with two electric wires, wherein one is connected with the switch member 111, the other end and drive Moving part 34 is connected directly；A lid 17 is additionally provided on the lever 1, which can live the lid of placed cavity, and It is set on the lid 17 there are one protrusion, the 171 compressible battery of protrusion, avoids battery movable, the lever 1 is a plastics Shell.

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

Claims (10)

1. a kind of grass trimmer, including lever（1）, strut（2）And cutting part（3）, it is characterised in that：The cutting part（3） Including shell（31）, cutting member（32）, actuator（34）And with the actuator（34）Matched fixed component（33）；It is described Fixed component（33）It is equipped with for the cutting member（32）The location structure of limit（30）With with the cutting member（32）Phase The anti-falling piece of cooperation（35）.

2. a kind of grass trimmer according to claim 1, it is characterised in that：The location structure（30）It is described solid including being set to Determine component（33）On location indentations（331）, the cutting member（32）It is at least partially disposed in the location indentations（331）It is interior.

3. according to a kind of grass trimmer described in claim 2, it is characterised in that：The location structure（30）Further include equipped with described fixed Position recess portion（331）Interior card-bit part（332）, the cutting member（32）With the card-bit part（332）It matches.

4. according to a kind of grass trimmer described in claim 3, it is characterised in that：The cutting member（32）It is equipped with limiting section（322）, The card-bit part（332）It is arranged in the limiting section（322）It is interior.

5. a kind of grass trimmer according to claim 1, it is characterised in that：The actuator（34）It is equipped with output shaft （341）, the output shaft（341）With the fixed component（33）Rotation stop coordinates.

6. a kind of grass trimmer according to claim 5, it is characterised in that：The output shaft（341）It is equipped with the first rotation stop Portion, the fixed component（33）It is equipped with and matched second rotation prevention portion of first rotation prevention portion.

7. according to a kind of grass trimmer described in claim 1, it is characterised in that：The shell（31）It is removably connected with a protective cover （41）.

8. a kind of grass trimmer according to claim 7, it is characterised in that：The protective cover（41）It is equipped with buckle structure （411）, the shell（31）It is equipped with and the buckle structure（411）Matched buckling parts（311）.

9. a kind of grass trimmer according to claim 1, it is characterised in that：The lever（1）It is equipped with a switch block （11）, the switch block（11）Including switch member（111）And the switch member（111）Matched activation members（112）And with institute State activation members（112）Matched safety member（12）.

10. a kind of grass trimmer according to claim 9, it is characterised in that：The safety member（12）It is connected with a resetting spring （121）, the lever（1）It is equipped with holding division（13）, the resetting spring（121）Part is sheathed on the holding division（13） On.