CN104620756B - Grass trimmer - Google Patents
Grass trimmer Download PDFInfo
- Publication number
- CN104620756B CN104620756B CN201310547212.7A CN201310547212A CN104620756B CN 104620756 B CN104620756 B CN 104620756B CN 201310547212 A CN201310547212 A CN 201310547212A CN 104620756 B CN104620756 B CN 104620756B
- Authority
- CN
- China
- Prior art keywords
- guard shield
- grass
- dynamic
- protection cover
- mowing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Harvester Elements (AREA)
Abstract
The invention provides a grass trimmer. The grass trimmer comprises a shell, a motor arranged in the shell, a grass trimming head driven by the motor to carry out grass trimming operation, a handle assembly connected with the shell, and a protection cover fixedly arranged relative to the grass trimming head. The protection cover comprises a fixed protection cover body and a movable protection cover body rotationally connected to the fixed protection cover body. When the movable protection cover body rotates relative to the fixed protection cover body, the width of the protection cover composed of the fixed protection cover body and the movable protection cover body is reduced. The protection cover of the grass trimmer comprises the fixed protection cover body and the movable protection cover body rotationally connected to the fixed protection cover body. When the movable protection cover body rotates towards the straight line where the rotating center connecting line of the fixed protection cover body and the grass trimming head is located, the width of the protection cover composed of the fixed protection cover body and the movable protection cover body is reduced. Accordingly, the grass trimmer can enter the narrow space to carry out operation, and convenience is brought to users to use the grass trimmer.
Description
Technical field
The present invention relates to power tool field, more particularly to a kind of grass-mowing machine.
Background technology
Green vegetation is a kind of requisite environmental key-element of our mankind, and the consciousness of greening becomes more and more popular.No
By the courtyard being golf course, football pitch, villa garden, villa, or common residential area, green turf is ubiquitous, gives
The life of people brings life and vigor.But, if having left arranging of people, height that these turfs can become rises and falls,
Disorderly and unsystematic.
Grass-mowing machine, as a kind of garden instrument arranging turf, is just favored by more and more users, but meanwhile,
User it is also proposed higher and higher requirement to the function of grass-mowing machine and use feeling.
User using grass-mowing machine carry out beating the grass operation when sometimes for operation that the turf in small space is carried out beating the grass.
Now grass-mowing machine can be limited by guard shield and be cannot be introduced into small space, thus cannot be carried out operation of beating the grass.To operation of beating the grass
Make troubles.
Content of the invention
Based on this it is necessary to provide a kind of be suitable for the grass-mowing machine of operation of beating the grass is carried out to the turf in small space.
A kind of grass-mowing machine, including housing, the motor being arranged in housing, drives beating the grass of the operation that carries out beating the grass by motor
Handle assembly and the guard shield being fixedly installed with respect to housing that head is connected with housing, described guard shield includes determining guard shield and rotation
Be connected to the described dynamic guard shield determined on guard shield, described dynamic guard shield with respect to described determine guard shield rotate when, described determine guard shield with described
The guard shield width of the guard shield of dynamic guard shield composition reduces.
Wherein in an embodiment, the quantity of described dynamic guard shield is two, and it is described fixed that described two dynamic guard shields are arranged at
The both sides of guard shield.
Wherein in an embodiment, described determine guard shield and be provided with rotating shaft, described dynamic guard shield is provided with rotating hole, described dynamic
Guard shield is rotationally connected with by the cooperation of rotating hole and rotating shaft described to be determined on guard shield.
Wherein in an embodiment, described guard shield also includes being fixed on the described pressing plate determined on guard shield, described platen cover
On described dynamic guard shield and against described rotating shaft.
Wherein in an embodiment, rotated by engaging tooth between described two dynamic guard shields determining guard shield both sides and connect.
Wherein in an embodiment, the one of dynamic guard shield in described two dynamic guard shields is provided with convenient promotion and moves shield
The protuberance of cover rotation.
Wherein in an embodiment, at least one of described two dynamic guard shields pass through the cooperation of alignment pin and location hole
It is positioned on guard shield.
Wherein in an embodiment, at least one of described dynamic guard shield moves guard shield and is provided with two location holes, described
Determine guard shield and be provided with least one alignment pin, described location hole and detent fit make described dynamic guard shield be positioned at exhibition when rotated
Open position and folding position.
Wherein in an embodiment, described location hole is hemispherical-shaped aperture, described determine guard shield and be provided with alignment pin accommodating hole,
One end of described alignment pin is connected with elastic component, described elastic component and described alignment pin all in described alignment pin accommodating hole,
Against described alignment pin, the other end is against the bottom hole of described alignment pin accommodating hole for one end of described elastic component.
Wherein in an embodiment, described determine to be equipped with, on guard shield and described dynamic guard shield, the blade cutting off line of beating the grass.
The guard shield of above-mentioned grass-mowing machine includes determining guard shield and is rotationally connected with the dynamic guard shield determining on guard shield.Dynamic guard shield is with respect to fixed
When guard shield rotates, the described guard shield width reduction determining guard shield and the guard shield of described dynamic guard shield composition.So, this grass-mowing machine just can enter
Enter small space and carry out operation, thus being brought convenience using grass-mowing machine to user.
Brief description
Fig. 1 is the grass-mowing machine schematic diagram of an embodiment；
Fig. 2 is another schematic diagram of grass-mowing machine shown in Fig. 1；
Fig. 3 is the shield structure schematic diagram of grass-mowing machine shown in Fig. 1；
Fig. 4 is the explosive view of guard shield shown in Fig. 3；
Fig. 5 is the one of dynamic shield structure schematic diagram of guard shield shown in Fig. 3；
Fig. 6 is guard shield shown in Fig. 3 along the sectional view of a-a line；
Fig. 7 is the enlarged drawing at guard shield i shown in Fig. 6；
Fig. 8 is that the dynamic guard shield of guard shield shown in Fig. 3 is in schematic diagram during folding position.
Specific embodiment
Refer to Fig. 1 and Fig. 2, one embodiment of the present of invention provides a kind of grass-mowing machine 100.This grass-mowing machine 100 includes shell
Body 110, the motor 120 being arranged in housing 110, driven moving head 130 and the housing 110 of the operation that carries out beating the grass by motor 120
The handle assembly 140 connecting and the guard shield 150 being fixedly installed with respect to housing 110.Moving head 130 is provided with for beating the grass
Beat the grass line.The roller that shield flower steel wire 131 and guiding grass-mowing machine 100 are beaten the grass is provided with housing 110.Handle assembly 140 can wrap
Include one or more handles and holding assembly.It is a D-shaped handle and a grip part herein.The housing 110 of this grass-mowing machine 100
It is provided with battery bag 160, battery bag 160 provides electric energy for this grass-mowing machine 100.Certainly, this grass-mowing machine 100 can also adopt power supply
The mode that line is connected with external power source to provide electric energy for this grass-mowing machine 100.During use, operator can grip handle assembly
140, then open controlling switch, electric energy just can transmit to motor 120 from battery bag 160, motor 120 rotates and drives beats the grass
Line rotates.Now the head be aligned that works is needed the turf of cutting just can realize operation of beating the grass by operator.During beating the grass,
Roller on moving head 130 can play the effect supporting grass-mowing machine 100 and guiding grass-mowing machine 100 motion.As such, it is possible to save
The muscle power of operator.Shield flower steel wire 131 can play protection not to be needed to cut the not cut effect of flowers and plants.
Refer to Fig. 3, the guard shield 150 of this grass-mowing machine 100 includes determining guard shield 150a and being rotationally connected with to be determined on guard shield 150a
Dynamic guard shield 150b.When dynamic guard shield 150b is with respect to determining guard shield 150a rotation, determine guard shield 150a and dynamic guard shield 150b composition
The guard shield width of guard shield 150 reduces.Guard shield width herein refer to the center of rotation c determining guard shield 150a and moving head 130
The vertical direction of line place straight line b on guard shield width.Dynamic guard shield 150b determines guard shield 150a and moving head 130 to close
The line place straight line b of center of rotation c when rotating, determine the guard shield of guard shield 150 that guard shield 150a and dynamic guard shield 150b forms
Width reduces.So, this guard shield 150 has two kinds of location status, i.e. expanded position and folding position.Dynamic guard shield in Fig. 2
150b is in the deployed, and the dynamic guard shield 150b in Fig. 7 is in folding position.When guard shield 150 is in the deployed, this guard shield
150 guard shield width reaches maximum, at this moment can carry out beating the grass or deburring operation of routine.When guard shield 150 is in folding position
When putting, the guard shield width of this guard shield 150 reaches minimum, and at this moment this grass-mowing machine 100 is tailed off due to the stop by guard shield, beats the grass
130 just can extend into small space carries out operation, thus facilitating operator to use.
Refer to Fig. 4, in this embodiment, the quantity of the dynamic guard shield 150b of this grass-mowing machine 100 is two, this two dynamic shields
Cover 150b is arranged at the both sides determining guard shield 150a.Only one of which can certainly move guard shield 150b, be not limited herein.Its
In, determine guard shield 150a and be provided with rotating shaft 151a, dynamic guard shield 150b is provided with rotating hole 151b, dynamic guard shield 150b passes through rotating hole
The cooperation of 151b and rotating shaft 151a is rotationally connected with to be determined on guard shield 150a.May be otherwise is to be provided with rotating shaft on dynamic guard shield 150b
151a, determines guard shield 150a and is provided with rotating hole 151b.In order that without departing from rotating shaft 151a during dynamic guard shield 150b rotation, determining guard shield
Pressing plate 150c is further fixed on 150a, pressing plate 150c covers on dynamic guard shield 150b and against rotating shaft 151a.So pressing plate 150c can
The effect departing from rotating shaft 151a can only be rotated without to play the dynamic guard shield 150b of restriction by 151a around the shaft.May be otherwise employing
Other suitable limit element such as pin.
In this embodiment, pressing plate 150c is fixed on by way of multiple fixing screws 152b and screw hole 152a cooperation
Determine on guard shield 150a.In other embodiments, pressing plate 150c can also be otherwise fixed to determine on guard shield 150a.
This determines to be equipped with engaging tooth 156 on two dynamic guard shield 150b of guard shield 150a both sides, and two dynamic guard shield 150b pass through
Engaging tooth 156 rotates and connects.So when rotating one of dynamic guard shield 150b, another dynamic guard shield 150b can and then turn
Dynamic.So, when folding or launching dynamic guard shield 150b it is only necessary to one dynamic guard shield 150b of rotation is just permissible.Operation is more
Plus it is simple and convenient.
In addition, this grass-mowing machine 100 determine be equipped with, on guard shield 150a and dynamic guard shield 150b, the blade 158 cutting off line of beating the grass.
The length of the line of beating the grass that position on determining guard shield 150a and dynamic guard shield 150b for the blade 158 can use as needed is set
Fixed.In this embodiment, when dynamic guard shield 150b is in the deployed, determine the blade 158 on guard shield 150a and dynamic guard shield 150b
It is on the same rotation round in the rotation round with the center of rotation of moving head 130 as the center of circle.Furthermore it is possible to according to electricity
The direction of rotation of machine to design, blade 158 is fixed therein on a dynamic guard shield 150b, to prevent from beating during grass-mowing machine 100 work
The parts such as dynamic guard shield 150b are smashed by careless line high-speed rotation.
Refer to Fig. 5, Fig. 6 and Fig. 7, in two dynamic guard shield 150b of this grass-mowing machine 100, at least one dynamic guard shield 150b leads to
The cooperation crossing alignment pin with location hole 153a is positioned on guard shield 150a, in case stop guard shield 150b determines guard shield 150a rotation relatively
Turn, so that being not in that dynamic guard shield 150b relatively determines guard shield 150a and affects to beat the grass the situation of operation when this grass-mowing machine 100 is beaten the grass.
It is positioned at by the cooperation of alignment pin and location hole 153a because the presence of engaging tooth 156 only needs to a dynamic guard shield 150b herein
Determine on guard shield 150a, such that it is able to reduce the quantity of alignment pin and location hole 153a, cost-effective, in this embodiment,
It is equipped with two location hole 153a on each dynamic guard shield 150b.
Specifically, one of dynamic guard shield 150b is provided with two location hole 153a, determines guard shield 150a and is provided with least one
Individual alignment pin, location hole 153a and detent fit make guard shield 150b be positioned at expanded position and folding position when rotated.
Certainly may be otherwise is to determine guard shield 150a to be provided with two location hole 153a, and dynamic guard shield 150b is provided with least one alignment pin
Mode, be not limited herein.Determine guard shield 150a and be provided with alignment pin accommodating hole 154, one end connection of alignment pin is flexible
Part 155.In this embodiment, this elastic component 155 is spring.Elastic component 155 and alignment pin are all located at alignment pin accommodating hole 154
In.Against alignment pin, the other end is against the bottom hole of alignment pin accommodating hole 154 for one end of elastic component 155.So, elastic component 155 is just
Can shrink along the hole wall of alignment pin accommodating hole 154, alignment pin also just can move along the hole wall of alignment pin accommodating hole 154
Dynamic.When needing dynamic guard shield 150b is positioned, alignment pin can stretch out alignment pin accommodating hole 154 and extend into location hole 153a
In, thus realizing determining the positioning to dynamic guard shield 150b for the guard shield 150a.Move with respect to determining guard shield 150a when needing dynamic guard shield 150b
When, alignment pin will retract in alignment pin accommodating hole 154, and so dynamic guard shield 150b just can move with respect to determining guard shield 150a,
It is rotary motion herein.
Further, the location hole 153a on the dynamic guard shield 150b of this grass-mowing machine 100 is hemispherical-shaped aperture.Why adopt herein
It is that alignment pin skids off from location hole 153a for convenience with hemispherical-shaped aperture.May be otherwise using other have similar inclined-plane or
The hole of curved surface substitutes hemispherical-shaped aperture.Specifically, during original state, dynamic guard shield 150b is in the deployed, and alignment pin is located at positioning
In the 153a of hole, if now needing to rotate to folding position dynamic guard shield 150b from expanded position, need alignment pin first from fixed
At shifting in the hole 153a of position, release positioning.Now only need to remove to stir dynamic guard shield 150b, dynamic guard shield 150b using larger power
Will be with respect to determining guard shield 150a rotation, because location hole 153a is hemispherical-shaped aperture, alignment pin is by the side skidding off location hole 153a
To motion, and compression elastic piece 155 moves to the bottom hole of alignment pin accommodating hole 154 simultaneously, is positioned such that pin finally can skid off
Location hole 153a.Continue to stir dynamic guard shield 150b after alignment pin skids off location hole 153a until alignment pin reaches next positioning
Hole 153a, and eventually enter into next location hole 153a realization positioning.Now determine guard shield 150a and be in folding position.
Refer to Fig. 8, the one of dynamic guard shield 150b in two dynamic guard shield 150b of this grass-mowing machine 100 is provided with conveniently
Promote the protuberance 157 of dynamic guard shield 150b rotation.So, when dynamic guard shield 150b is in folding position, operator can use
Foot makes power to protuberance 157 so that alignment pin skids off location hole 153a, makes guard shield 150b further by the folding position in Fig. 7
Put the expanded position to Fig. 2 for the rotation.
The guard shield 150 of this grass-mowing machine 100 includes determining guard shield 150a and be rotationally connected with determine on guard shield 150a two to move shield
Cover 150b.Dynamic guard shield 150b, to when rotating near the center of rotation line place straight line determining guard shield 150a and moving head 130, moves shield
Cover 150b will be rotated to folding position by expanded position, so, determine the shield of guard shield 150a and the guard shield 150 of dynamic guard shield 150b composition
Cover width reduces.This grass-mowing machine 100 just can enter small space and carry out operation, thus to user using grass-mowing machine 100 side of bringing
Just.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of grass-mowing machine, including housing, the motor being arranged in housing, driven by motor the operation that carries out beating the grass moving head,
The handle assembly that is connected with housing and the guard shield that is fixedly installed with respect to housing it is characterised in that: described guard shield includes determining shield
Cover and be rotationally connected with the described dynamic guard shield determine on guard shield, described dynamic guard shield with respect to described determine guard shield and rotate when, described calmly shield
Cover is reduced with the guard shield width of the guard shield of described dynamic guard shield composition.
2. grass-mowing machine according to claim 1 it is characterised in that: the quantity of described dynamic guard shield is two, described two dynamic
Guard shield is arranged at the described both sides determining guard shield.
3. grass-mowing machine according to claim 2 it is characterised in that: described determine guard shield and be provided with rotating shaft, on described dynamic guard shield
It is provided with rotating hole, described dynamic guard shield is rotationally connected with by the cooperation of rotating hole and rotating shaft described to be determined on guard shield.
4. grass-mowing machine according to claim 3 it is characterised in that: described guard shield also includes being fixed on described to be determined on guard shield
Pressing plate, described platen cover is on described dynamic guard shield and against described rotating shaft.
5. grass-mowing machine according to claim 4 it is characterised in that: pass through between described two dynamic guard shields determining guard shield both sides
Engaging tooth rotates and connects.
6. grass-mowing machine according to claim 5 it is characterised in that: on the one of dynamic guard shield in described two dynamic guard shields
It is provided with the convenient protuberance promoting dynamic guard shield rotation.
7. grass-mowing machine according to claim 6 it is characterised in that: at least one of described two dynamic guard shields pass through positioning
Pin is positioned on guard shield with the cooperation of location hole.
8. grass-mowing machine according to claim 7 it is characterised in that: at least one of described dynamic guard shield move guard shield be provided with
Two location holes, described determine guard shield and be provided with least one alignment pin, described location hole and detent fit make described dynamic guard shield
It is positioned at expanded position and folding position when rotated.
9. grass-mowing machine according to claim 8 it is characterised in that: described location hole is hemispherical-shaped aperture, described determines on guard shield
It is provided with alignment pin accommodating hole, one end of described alignment pin is connected with elastic component, described elastic component and described alignment pin are all located at institute
State in alignment pin accommodating hole, against described alignment pin, the other end is against described alignment pin accommodating hole for one end of described elastic component
Bottom hole.
10. the grass-mowing machine according to any claim in claim 1 to 9 it is characterised in that: described determine guard shield with described
The blade cutting off line of beating the grass is equipped with dynamic guard shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547212.7A CN104620756B (en) | 2013-11-06 | 2013-11-06 | Grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547212.7A CN104620756B (en) | 2013-11-06 | 2013-11-06 | Grass trimmer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104620756A CN104620756A (en) | 2015-05-20 |
| CN104620756B true CN104620756B (en) | 2017-02-01 |
Family
ID=53200411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310547212.7A Active CN104620756B (en) | 2013-11-06 | 2013-11-06 | Grass trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104620756B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10034422B2 (en) | 2016-06-14 | 2018-07-31 | Black & Decker Inc. | Cutting head for a string trimmer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3326050B2 (en) * | 1995-07-24 | 2002-09-17 | 株式会社マキタ | Trimmer and safety cover for trimmer |
| WO2011005156A1 (en) * | 2009-07-09 | 2011-01-13 | Husqvarna Ab | Electrical two-way rotary trimmer |
| CN102440115B (en) * | 2010-10-11 | 2014-03-19 | 常州格力博有限公司 | Grass mower |
| CN202340429U (en) * | 2011-05-13 | 2012-07-25 | 宁波大叶园林设备有限公司 | Low vibration grass machine |
| JP2013034404A (en) * | 2011-08-04 | 2013-02-21 | Makita Corp | Brush cutter |
-
2013
- 2013-11-06 CN CN201310547212.7A patent/CN104620756B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104620756A (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105519302B (en) | Grass-mowing machine and its rotary components | |
| RU2578479C2 (en) | Electric lawn mower (versions) | |
| CN201479600U (en) | Field mower | |
| RU2581485C2 (en) | Electric lawnmowers | |
| CN205142981U (en) | Work machine | |
| CN108790946A (en) | Walk-behind self-propelled machine | |
| CN104620756B (en) | Grass trimmer | |
| KR101067518B1 (en) | Weeder | |
| AU2004201628A1 (en) | Ergonomic handle for vegetation trimmer | |
| CN104938135B (en) | Moving head and grass-mowing machine | |
| CN106471993A (en) | A kind of garden instrument with folding push rod | |
| CN202285568U (en) | Electric garden tool | |
| US20180317396A1 (en) | Battery powered handheld outdoor power equipment | |
| CN209268032U (en) | Cutter unit | |
| WO2023098495A1 (en) | Hedge trimmer | |
| CN204860062U (en) | Mower | |
| CN216820810U (en) | Hedge trimmer | |
| CN202406534U (en) | Small-size lawn grass cutting machine | |
| CN209676877U (en) | Grass-mowing machine | |
| CN207854500U (en) | A kind of grass trimmer | |
| CN209572442U (en) | A kind of modified grass-mowing machine | |
| CN104969716B (en) | Grass-mowing machine | |
| CN204721858U (en) | A kind of hand-held shears for lawns structure | |
| KR102016556B1 (en) | Electric mower | |
| CN205993159U (en) | Greeb hedge machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |