CN207612642U - A kind of grass trimmer - Google Patents

Abstract

The utility model provides a kind of grass trimmer, including rotary head and main body；At least provided with the first trepanning for fixing cutter device in the rotary head；The main body includes shell, and the main body is divided into front and grip part, and the front is fixedly connected with the grip part, and forms angle, and the angle is not less than 90 °；The motor for driving the rotary head is equipped in the front；The grip part is equipped with the control for controlling the motor operations and switchs, and the power supply is equipped in the grip part, and the power supply is connect with the motor by circuit.The utility model has the beneficial effects that：Simplify device structure, reduces volume, it is made to be convenient for carrying and use；Using battery as power supply, safety, portability and reliability are increased；The special construction of rotary head makes it particularly suited for using cotton rope as cutting equipment, ensure that the cutting effect to weeds of grass trimmer.

Description

A kind of grass trimmer

Technical field

The utility model is related to weeding field, more particularly to a kind of grass trimmer.

Background technology

The existing most build of grass trimmer is huge, can not accomplish small and exquisite portable.Some grass trimmers need to be connected to power supply ability Work, and the electric wire of redundancy can undoubtedly interfere weeding to work.Other using fuel as the grass trimmer of the energy then need through Often supplement fuel, and can inevitably cause to leak during supplement, in addition inflammable fuel also can in storage there is Security risk.

Utility model content

In order to solve the above-mentioned technical problem, a kind of grass trimmer, the technical side of the utility model are disclosed in the utility model Case is implemented：

A kind of grass trimmer, including rotary head and main body；It is opened at least provided with first for fixing cutter device in the rotary head Hole；

The main body includes shell, and the main body is divided into front and grip part, and the front and the grip part, which are fixed, to be connected It connects, and forms angle, the angle is not less than 90 °；The motor for driving the rotary head is equipped in the front；It is described to hold Hold the control that portion is equipped with for controlling the motor operations to switch, be equipped with the power supply in the grip part, the power supply and The motor is connected by circuit.

Preferably, the grass trimmer further includes protective cover, the protective cover between the front and the rotary head, and And it is fixed on the front outsides.

Preferably, baffle is circumferentially equipped on the protective cover.

Preferably, the first connector is equipped in the grip part, and on the bottom of the grip part, the bottom Equipped with the second trepanning, groove is equipped in first connector, the area of section of the groove is less than the face of second trepanning Product, and second trepanning is connected with the opening of the groove.

Preferably, the grass trimmer further includes the second connector, and second connector includes the first linkage section and second Linkage section；The inner wall of the groove of first connector is equipped with screw thread, and screw thread is equipped on the outside of first linkage section, and It is accessed in the groove by second trepanning rotation；Second linkage section is fixedly connected with first linkage section.

Preferably, the baffle is circle, and outside edge is equipped with chimb, and the chimb is towards the side of the rotary head The baffle protrudes.

Preferably, the baffle is sector, and outer arcuate edge is equipped with chimb, and the chimb is towards the rotary head The side baffle protrudes.

Preferably, the rotary head is equipped with cutter device, and the cutter device is flexible cotton rope, and the cotton rope is fixed In first trepanning.

Preferably, it is set in the rotary head there are two symmetrical first trepanning, first trepanning is by macropore and aperture Composition；The macropore and the aperture are rectangular, and the shape after connection is " convex " font；Wherein, the aperture direction Direction far from rotation center, the macropore is towards rotation center.

Preferably, the shell is divided into two parts in left and right along the plane of symmetry, and is connected with each other admittedly by way of grafting It is fixed.

Implement the utility model has the beneficial effects that：

1, simplify device structure, reduce volume, it is made to be convenient for carrying and use；

2, safety, portability and reliability are increased as power supply using battery；

3, the special construction of rotary head makes it particularly suited for using cotton rope as cutting equipment, ensure that grass trimmer to miscellaneous The cutting effect of grass.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is a kind of embodiment of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the front view of grass trimmer in one embodiment；

Sectional view of the grass trimmer along the directions A-A that Fig. 2 is Fig. 1；

Fig. 3 is the schematic diagram of grass trimmer in one embodiment；

Fig. 4 is the schematic diagram of rotary head in one embodiment.

In above-mentioned attached drawing, each figure number label indicates respectively：

11- rotary heads, the first trepannings of 110-, 12- protective covers, 13- baffles, 131- chimbs,

2- shells, the fronts 201-, the grip parts 202-, 21- control switches, 22- power knobs, 23- power supplys, 24- power supplys are more Lid is changed,

The first connectors of 31-, the second connectors of 32-.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.

In addition, the orientation such as "upper" mentioned herein, "lower", "left", "right" word, in order to facilitate description originally Relative position relation between invention component is not necessarily referring to absolute orientation in actual use.

A kind of grass trimmer, structure can be with 1~Fig. 3 of reference chart, including rotary head 11 and main body；It is at least set in the rotary head 11 It is useful for the first trepanning 110 of fixed cutter device；The main body includes shell 2, and the main body is divided into front 201 and grip part 202, the front 201 is fixedly connected with the grip part 202, and forms angle (angles α in Fig. 2), and the angle is not small In 90 °；The motor 14 for driving the rotary head is equipped in the front 201；The grip part 202 is equipped with for controlling The control switch 21 of motor operations is stated, the power supply 23 is equipped in the grip part 201, the power supply 23 is logical with the motor 14 Oversampling circuit connects.

Motor 14, power supply 23 are integrated in a shell that can be hold by one hand 2 by the grass trimmer of the utility model, are realized The technique effect that grass trimmer is convenient for carrying.Wherein, rechargeable battery may be used in power supply 23, can also use primary Property battery, and the material of shell 2 may be used that PET, PVC, ABS etc. be light, duroplasts of easy processing, can also be aluminium alloy, The common metal material such as stainless steel, titanium alloy or other existing sheathing materials.To realize the purpose of cutting weeds, Cutter device in the utility model can select blade or cotton rope, it will be appreciated by persons skilled in the art that working as rotary head 11 drive cotton rope rotation, and more than cleavable weeds or even forest after certain speed, and the material of cotton rope may include but unlimited In nylon, plastics, cotton fiber, flaxen fiber or other materials that can be used for preparing soft cotton rope.

It can be 180 °, 90 ° or between the two angles for the angles α that front 201 and grip part 202 are formed Unspecified angle is 120~160 ° than a more preferably angular range, to which when personnel easy to use hold, can use up can The effect of the raising cutting weeds of energy.It will be appreciated by persons skilled in the art that when cut surface is perpendicular to the object to be cut When body, required cutting quantity is minimum, and the object of flexible object strip is also easier to cut.Therefore, because front 201 is at an angle with grip part 202, and user of service holds the grip part 202 of grass trimmer naturally, or need to only be tuned into smaller angle, It can realize that 11 postrotational cut surface of rotary head can be mutually perpendicular to weeds, or close vertical, to improve cutting effect.

In some embodiments, shell 2 is equipped with power supply and replaces lid 24, and the power supply 23 in grip part 202 can pass through power supply Lid 24 is replaced to be replaced.

In some embodiments, body interior is equipped with power knob 22, and control button 21 by pushing and pulling control power supply back and forth The closure of button 22, and then realize the control to circuit.

In one preferred embodiment, with reference to figure 3, the grass trimmer further includes protective cover 12, and the protective cover 12 is located at Between the front 201 and the rotary head 11, and it is fixed on 201 outside of the front.

Protective cover 12 can be used for preventing clast from being driven by the cutter device of rotation and suck in the front 201 of grass trimmer, Also the front end of front 201 can be protected to be worn by other objects, and when shell 2 is using multiple portions split, protective cover 12 also may be used For reinforcing the fixed effect of shell 2.It is otherwise noted that protective cover 12 can be before being removably mounted on In portion 201, it is mounted on front 201 with can also be non-dismountable formula.

In some embodiments as shown in Figure 3, baffle 13 is circumferentially equipped on the protective cover 12.The baffle 13 can group It knits the cutter device in rotation to drive clast and thrown to user of service, can be used for preventing foot or leg from accidentally touching Touch cutter device in rotation.

In one preferred embodiment, with reference to figure 2, the first connector 31 is equipped in the grip part 202, and be located at institute The bottom of grip part 202 is stated, the bottom is equipped with the second trepanning, groove, the groove are equipped in first connector 31 Area of section be less than the area of second trepanning, and second trepanning is connected with the opening of the groove.

When user of service needs to cut positioned at object (such as branch) of eminence, user of service can pass through the first connection Grass trimmer is fixed on an extension rod by part 31.Grafting may be used in one end of wherein extension rod, be screwed on or it is other can be steady Surely the mode connected is fixed on the first connector 31.

In one preferred embodiment, referring to figs. 2 and 3, the grass trimmer further includes the second connector 32, and described second Connector 32 includes the first linkage section and the second linkage section；The inner wall of the groove of first connector 31 is equipped with screw thread, It is equipped with screw thread on the outside of first linkage section, and is accessed in the groove by second trepanning rotation；Described second connects Section is connect to be fixedly connected with first linkage section.

When the first connector 31 is as the component connected, since its part being connect with extension rod one end is located at grass trimmer It is interior, thus the groove through the first connector 31 that can cause in the case that certain some to mince enters in grass trimmer, and be not easy to clear Reason.Therefore, to overcome the problems, such as that this utility model further uses the second connector 32 as the component being connect with extension rod, It can realize that the dismounting to the second connector 32 is cleared up by way of rotating and dismantling.And it in some embodiments can be first Circular catch is set between linkage section and the second linkage section, for blocking the seam between the second trepanning and the first connector 31 Gap prevents dust, tiny clast from entering in grass trimmer.

In one preferred embodiment, the rotary head 11 is equipped with cutter device, and the cutter device is flexible line Rope, the cotton rope are fixed in first trepanning 110.

Compared with blade, the length of cotton rope can voluntarily be chosen by user of service by way of cutting, and at low cost, On the other hand also avoid certain some in the case of metal blade can damage human body, improve safety in utilization.

In one preferred embodiment, with reference to figure 1 and Fig. 4, set that there are two symmetrical described first to open in the rotary head 11 Hole 110, first trepanning 110 are made of macropore and aperture；The macropore and the aperture are rectangular, and after connection Shape is " convex " font；Wherein, the aperture is directed away from the direction of rotation center, and the macropore is towards rotation center.

The aperture of first trepanning can be used for positioning and limit cotton rope, prevent cotton rope from shifting in rotation, improve line Stability when rope rotation, improves the effect of cutting weeds.

In one preferred embodiment, the baffle 13 is circle, and outside edge is equipped with chimb 131, the chimb 131 protrude towards the side baffle 13 of the rotary head 11.Prevent clast device to be cut from driving and running to user, and And certain some body part used can also be protected to be in contact with the cutter device in rotation.

In one preferred embodiment, with reference to figure 3, the baffle 13 is sector, and outer arcuate edge is equipped with chimb 131, the side baffle 13 of the chimb 131 towards the rotary head 11 protrudes.

Compared with using the embodiment of circular baffle plate 13, using fan shape baffle 13 in addition to preventing clast device to be cut from driving And run to user, and certain some body part for using of protection with rotate in cutter device be in contact except, work as use When person moves forward grass trimmer, weeds will not be shifted onto by baffle 13, to improve cutting effect.

In one preferred embodiment, with reference to figure 3, the shell 2 is divided into two parts in left and right along the plane of symmetry, and passes through The mode of grafting is interconnected and fixed, to facilitate the demolition and maintenance of grass trimmer.

The above-mentioned various embodiments enumerated can be combined with each other implementation, those skilled in the art under the premise of reconcilable In combination with attached drawing and above to the explanation of embodiment, as the foundation being combined to the technical characteristic in different embodiments.

It should be pointed out that the above is only the preferred embodiment of the utility model only, not limiting this reality With novel, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include It is within the protection scope of the utility model.

Claims (10)

1. a kind of grass trimmer, it is characterised in that：

Including rotary head and main body；

At least provided with the first trepanning for fixing cutter device in the rotary head；

The main body includes shell, and the main body is divided into front and grip part, and the front is fixedly connected with the grip part, and And angle is formed, the angle is not less than 90 °；

The motor for driving the rotary head is equipped in the front；

The grip part is equipped with the control for controlling the motor operations and switchs, and power supply is equipped in the grip part, described Power supply is connect with the motor by circuit.

2. grass trimmer according to claim 1, it is characterised in that：

The grass trimmer further includes protective cover, and the protective cover is fixed on institute between the front and the rotary head State front outsides.

3. grass trimmer according to claim 2, it is characterised in that：

Baffle is circumferentially equipped on the protective cover.

4. grass trimmer according to claim 1, it is characterised in that：

The first connector is equipped in the grip part, and positioned at the bottom of the grip part, the bottom is opened equipped with second Hole, first connector is interior to be equipped with groove, and the area of section of the groove is less than the area of second trepanning, and described Second trepanning is connected with the opening of the groove.

5. grass trimmer according to claim 4, it is characterised in that：

The grass trimmer further includes the second connector, and second connector includes the first linkage section and the second linkage section；

The inner wall of the groove of first connector is equipped with screw thread, is equipped with screw thread on the outside of first linkage section, and lead to The second trepanning rotation is crossed to access in the groove；Second linkage section is fixedly connected with first linkage section.

6. grass trimmer according to claim 3, it is characterised in that：

The baffle is circle, and outside edge is equipped with chimb, the side baffle of the chimb towards the rotary head It is prominent.

7. grass trimmer according to claim 3, it is characterised in that：

The baffle is sector, and outer arcuate edge is equipped with chimb, and the chimb is relatively described towards the side of the rotary head Baffle protrudes.

8. according to any grass trimmers of claim 1-7, it is characterised in that：

The rotary head is equipped with cutter device, and the cutter device is flexible cotton rope, and the cotton rope is fixed on described first In trepanning.

9. grass trimmer according to claim 8, it is characterised in that：

It is set in the rotary head there are two symmetrical first trepanning, first trepanning is made of macropore and aperture；It is described big Hole and the aperture are rectangular, and the shape after connection is " convex " font；Wherein, the aperture is directed away from rotation center Direction, the macropore is towards rotation center.

10. grass trimmer according to claim 9, it is characterised in that：

The shell is divided into two parts in left and right along the plane of symmetry, and is interconnected and fixed by way of grafting.