CN209017500U - Blade assembly and lawn mower - Google Patents
Blade assembly and lawn mower Download PDFInfo
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- CN209017500U CN209017500U CN201821551701.4U CN201821551701U CN209017500U CN 209017500 U CN209017500 U CN 209017500U CN 201821551701 U CN201821551701 U CN 201821551701U CN 209017500 U CN209017500 U CN 209017500U
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- blade
- guide portion
- edge pruning
- lawn mower
- blade assembly
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Abstract
The utility model provides the blade assembly and lawn mower for being suitble to edge pruning.Blade assembly used in lawn mower includes upper blade and lower blade and mounting plate, the upper blade and lower blade have the base portion for being set as self installation in the lower part of lawn mower towards the front blade outstanding along left and right directions in pectination arrangement, the mounting plate is formed by metal plate, it is located at the downside of the base portion of lower blade, for upper and lower blade to be installed on to the lower part of lawn mower, mounting plate includes: mounting portion, is installed on the lower part of lawn mower；And edge pruning guide portion, it is set as self installation portion and is protruded towards front, configure the outside of at least one party in the left and right directions in the region that upper and lower a pair of of blade is moved back and forth along left and right directions.
Description
Technical field
The utility model relates to including the blade assembly of a pair of of blade up and down and including the turf-mown of the blade assembly
Machine, upper and lower a pair of of blade is by transporting upper blade and lower blade back and forth along left and right directions direction opposite toward each other
It moves to cut off grass.
Background technique
The lawn mower for cutting the grass on a lawn is disclosed in Patent Documents 1 to 3.These lawn mowers include being located at
The intracorporal electric motor of shell and by towards front it is outstanding in a manner of be located at shell lower part blade a pair of of up and down.On the lawn
In the case where trimmer, up and down a pair of blade by electric motor driving and the direction opposite toward each other along left and right directions
Move back and forth, if make in the state of making a pair of of reciprocating knives up and down lawn mower along lawn growth ground to
Front is mobile, then the blade a pair of of up and down that the grass grown on ground can be moved back and forth is wiped out.
In the case where this lawn mower, make upper and lower a pair of of blade on the ground of lawn growth along structure
Boundary part when moving forwards, can be contacted sometimes with structure along the blade a pair of of up and down that left and right directions moves back and forth.
In order to prevent the situation, in the lawn mower of patent document 1, shell front and be to be set on the upside of upper and lower a pair of of blade
There is backplate, upper and lower a pair of of blade is avoided to contact with structure using backplate.
In the case where the lawn mower of patent document 2, shell front and be to be set on the downside of upper and lower a pair of of blade
There is edge pruning guiding piece, upper and lower a pair of of blade is avoided to contact with structure using edge pruning guiding piece.The edge pruning
Guiding piece includes releasably being installed on the base portion of the front of shell and in the downside of upper and lower a pair of of blade from before base portion direction
Side's pars pectinata outstanding, base portion and pars pectinata are integrally formed using resin material.The lawn mower of patent document 3 the case where
Under, and shell front and be that the downside of upper and lower a pair of of blade is equipped with edge pruning guiding piece, guided using edge pruning
Part come avoid up and down a pair of of blade contact with structure.The edge pruning guiding piece includes in the downside of upper and lower a pair of of blade from base
Portion is towards front pars pectinata outstanding and from the collection grass portion that pars pectinata is continuously arranged along the side of shell, base portion, pars pectinata
Sum aggregate grass portion is integrally formed using resin material.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2015-035971 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2016-029910 bulletin
Patent document 3: Japanese Unexamined Patent Publication 2016-189706 bulletin
Utility model content
Utility model will solve the problems, such as
In the case where the lawn mower of patent document 1, avoided using the backplate for the front for being located at shell upper next
Blade is contacted with structure, but a pair of of blade separates up and down with backplate up and down, therefore, when in the phase as building block, brick
When boundary part than structure a lower height of for backplate carries out edge pruning, there is a pair of of blade up and down and connect with structure
The possibility of touching.In addition, edge pruning guiding piece is and then a pair of up and down in the case where the lawn mower of patent document 2,3
Blade and arrange it on the lower side, therefore, even if the boundary part of a lower height of structure as to building block, brick carries out
When edge pruning, it also can be avoided a pair of of blade up and down and contacted with structure.But in the lawn mower of patent document 2,3
In the case where, edge pruning guiding piece is formed from a resin, therefore relatively soft, and the bottom surface of edge pruning guiding piece is easy by ground
Soil block, chad block and generate resistance.Additionally, there may be such problems: the bottom surface of the edge pruning guiding piece of resin is easy
By soil block, chad scraping and generate bumps, it becomes difficult to slided on lawn.Moreover, being led to according to operating personnel's difference
When normal turf-mown operation, since the volume of edge pruning guiding piece is bigger, guided sometimes by edge pruning
Part uses lawn mower after unloading.When carrying out common turf-mown operation and carrying out edge pruning operation, by edge
It is more troublesome that trimming guiding piece is installed on shell, and lawn mower progress is utilized in the case where uneasiness fills edge pruning guiding piece
Edge pruning, a pair of of blade can be contacted with structure up and down sometimes.The purpose of the utility model is to provide suitable edge prunings
Blade assembly and suitable edge pruning lawn mower.
The solution to the problem
To solve the above-mentioned problems, the utility model provides a kind of blade assembly, which is used for lawn mower,
It is characterized in that, the blade assembly includes: upper and lower a pair of of blade, by making upper blade and lower blade along left and right directions
Opposite toward each other direction moves back and forth to cut off grass, and the upper blade and lower blade, which have, is set as self installation in lawn
The base portion of the lower part of trimmer towards front it is outstanding along left and right directions be in pectination arrangement blade；And mounting plate, it sets
In the downside of the base portion of lower blade, for the base portion of upper and lower a pair of of blade to be installed on to the lower part of lawn mower, mounting plate
Include: mounting portion, is installed on the lower part of lawn mower；And edge pruning guide portion, it is set as self installation portion direction
Front is prominent, configures at least one party's in the left and right directions in the region that upper and lower a pair of of blade is moved back and forth along left and right directions
Outside.
In the blade assembly constituted as described above, mounting plate includes: mounting portion, is installed under lawn mower
Portion；And edge pruning guide portion, it is set as self installation portion and is protruded towards front, configuration is in upper and lower a pair of of blade along left and right
The outside of at least one party in the left and right directions in the region that direction moves back and forth.Even being not suitable for the grass of edge pruning as a result,
Level ground trimmer, only by the way that blade assembly is installed on the lawn mower that lawn mower can be adapted to edge pruning,
Without utilizing additional component.In addition, if due to upper and lower a pair of of blade abrasion and replace blade assembly, edge pruning
Guide portion is also replaced together with mounting plate, can replace edge pruning guide portion when upper and lower a pair of of blade abrasion.This
Outside, edge pruning guide portion and then above and below blade and be located at it on the downside of, therefore, though to building block, brick etc. highly compared with
When the boundary part of low structure carries out edge pruning, it also can be avoided upper and lower blade and contacted with structure.
In the blade assembly constituted as described above, it is preferred that the configuration of edge pruning guide portion is in upper and lower a pair of of knife
The outside of two side of left and right in the region that piece is moved back and forth along left and right directions.In this case, upper and lower knife can be prevented
Piece is contacted in two side of the left and right of lawn mower with structure.
In the blade assembly constituted as described above, it is preferred that by make edge pruning guide portion self installation portion to
Lower lateral bend, keeps edge pruning guide portion separate downwards from lower blade.In this case, it can prevent along left and right
The blade for the lower blade that direction moves back and forth is contacted with edge pruning guide portion, blade and the edge pruning guidance of lower blade
Portion is not easy to wear.In addition, in the blade assembly constituted as described above, it is preferred that edge pruning guide portion is by made of metal
At.In this case, edge pruning guide portion is not easy recess or by scraping, and can optimize edge pruning guide portion
Sliding property when being slided along the ground of lawn growth.
In the blade assembly constituted as described above, it is preferred that edge pruning guide portion is in and upper and lower a pair of of blade
Different colors.In this case, edge pruning guide portion and up and down a pair of of blade can be distinguished by vision.
In the blade assembly constituted as described above, it is also possible to the peripheral part of edge pruning guide portion along front and back
Direction linearly extends.In addition it is also possible to be, the peripheral part of edge pruning guide portion is heaved towards outside is curvilinear.
In the blade assembly constituted as described above, it is also possible to the front side top end part of edge pruning guide portion in point
Sharp shape can be penetrated easily when wanting the root on cutting lawn in this case.In addition it is also possible to be side
Edge trims the curved shape in front side top end part of guide portion, in this case, before can be avoided edge pruning guide portion
Side top end part penetrates branch, stem etc..
In the blade assembly constituted as described above, it is preferred that edge pruning guide portion inner peripheral portion with it is upper
The position that the blade in the outside on the left and right directions of lower a pair of blade intersects is formed with sword shape portion.In this case,
Even keeping out of the way the grass in the outside of the blade of upper and lower a pair of of blade, it can also pass through the inner circumferential of blade and edge pruning guiding piece
The interoperation of the sword shape portion in portion trims it.
Detailed description of the invention
Fig. 1 is the perspective view for having used the lawn mower of blade assembly of the utility model.
Fig. 2 is the longitudinal section view of Fig. 1.
Fig. 3 is the perspective view of blade assembly.
Fig. 4 is the exploded view of Fig. 3.
Fig. 5 (a) is the top view before keeping upper and lower blade mobile, and Fig. 5 (b) is after moving left and right upper and lower blade
Top view.
Fig. 6 be edge pruning guide portion inner peripheral portion be formed with sword shape portion embodiment top view.
Description of symbols
10, lawn mower；20, blade assembly；21, upper blade；21a, base portion；21b, blade；22, lower blade；
22a, base portion；22b, blade；23, mounting plate；24, mounting portion；26, edge pruning guide portion；26a, sword shape portion.
Specific embodiment
Hereinafter, being described with reference to the blade assembly of the utility model and having used the lawn mower of the blade assembly
An embodiment.As shown in Figures 1 and 2, lawn mower 10 is equipped with the electronic horse as prime mover in the inside of shell 11
Up to 12, blade assembly 20 is releasably equipped in the lower part of shell 11.The lower part of shell 11 be equipped with using electric motor 12 into
The eccentric cam 13 of row rotation, eccentric cam 13 include the 2nd cam of the 1st cam 13a configured in upside and configuration in downside
13b.Eccentric cam 13 is rotated using electric motor, makes the upper blade 21 and lower blade 22 of aftermentioned blade assembly 20
Direction opposite toward each other moves back and forth.The lever 14 held for operating personnel is equipped at the rear portion of shell 11, in lever 14
Equipped with the switch 15 for starting electric motor 12.
As shown in Figures 3 and 4, blade assembly 20 include up and down a pair of of blade 21,22 and for will up and down a pair of of blade 21,
22 are installed on the mounting plate 23 of the lower part of shell 11.
Upper blade 21 includes being installed on the base portion 21a of the lower part of shell 11 and being set as from base portion 21a towards front
Blade 21b outstanding.Be formed with the embedded hole 21c of long hole shape in base portion 21a, embedded hole 21c be set under shell 11
1st cam 13a of the eccentric cam 13 in portion loosens chimeric.Blade 21b is set as protruding from base portion 21a towards front, with front side
The mode of opening is arranged along left and right directions in pectination.
Lower blade 22 is located at the downside of upper blade 21, includes being installed under shell 11 in the same manner as upper blade 21
It the base portion 22a in portion and is set as from base portion 22a towards front blade 22b outstanding.Long hole shape is formed in base portion 22a
Embedded hole 22c, embedded hole 22c are chimeric with the 2nd cam 13b loosening of eccentric cam 13 of lower part of shell 11 is set to.Blade
22b is set as protruding from base portion 22a towards front, arranges along left and right directions in pectination in such a way that front side is opened.Upper and lower
Blade 21,22 using by eccentric cam 13 transmit come the driving of electric motor 12 and it is opposite toward each other along left and right directions
Direction moves back and forth.
Mounting plate 23 is used to for upper and lower blade 21,22 being installed on the lower part of shell 11, including being installed under shell 11
Arm 25 that the mounting portion 24 in portion, the front in self installation portion 24 extend along left and right directions and across 25 self installation portion of arm
24 towards front edge pruning guide portion 26 outstanding, which shaped and carrying out punch process to steel plate.
Mounting plate 23 is in Dark grey, in the color different from the upper and lower blade 21,22 of steel plate of silver color is become by nickel plating.Up and down
Blade 21,22 be rotatably fixed on mounting portion 24 using pin 27.Mounting portion 24 is formed as the lower openings of shell 11
The size of 11a blocking, the lower part of shell 11 is releasably installed on upper and lower blade 21,22 using screw element together.
As shown in fig. 6, blade 21,22 of the arm 25 above and below the front of mounting portion 24 extends to is reciprocal along left and right directions
The region of movement.It is equipped in the end of the left and right of arm 25 towards front edge pruning guide portion 26 outstanding.Edge pruning draws
Lead the function that portion 26 has the contacts such as the structure of upper and lower blade 21,22 and outside for preventing moving back and forth along left and right directions
Energy.The configuration of edge pruning guide portion 26 is moved back and forth in each blade 21b, the 22b for not interfering upper and lower blade 21,22 to trim grass
The position in the region on level ground.Extend forwards after the downward lateral bend in the end of edge pruning guide portion 26 from arm 25, with downside
The blade 22b of blade 22 is separated in the up-down direction.As a result, when moving back and forth upper and lower blade 21,22, lower blade 22
Blade 22b will not be contacted with edge pruning guide portion 26.
The peripheral part of edge pruning guide portion 26 linearly extends along front-rear direction, by making edge pruning guide portion
26 peripheral part linearly extended is mobile with the state abutted with structures such as walls, and lawn mower 10 can be made along wall
Equal structures are mobile.The front side top end part of edge pruning guide portion 26 is in sharp shape, when wanting the root on cutting lawn
It is easy to penetrate the ground of lawn growth.
Turf-mown operation using the lawn mower 10 constituted as described above is illustrated.In operating personnel's benefit
When carrying out opening operation to switch 15 with the finger for holding lever 14, driving of the upper and lower blade 21,22 by electric motor 12
And it is moved back and forth along left and right directions direction opposite toward each other.In the shape for moving back and forth upper and lower blade 21,22
Make lawn mower 10 along when side is moved forward the ground of lawn growth under state, the grass grown on ground is by upper and lower blade
21, it 22 wipes out.In addition, when wanting to wipe out the grass for the boundary part for being grown in the structures such as building, building block or brick, if
Side is mobile forward for the state for making edge pruning guide portion 26 to abut with structure, then above and below blade 21,22 can be will not
The grass for being grown in the boundary part of structure is wiped out under the premise of contacting with structure.
Blade assembly 20 used in the lawn mower 10 constituted as described above includes upper blade 21 and lower side tool
Piece 22 and mounting plate 23, the upper blade 21 and lower blade 22, which have, is set as self installation in the lower part of lawn mower 10
Base portion 21a, 21b towards front it is outstanding along left and right directions be in pectination arrangement blade 21b, 22b, which is located at
The downside of the base portion 22a of lower blade 22, for base portion 21a, 21b of upper and lower a pair of of blade 21,22 to be installed on turf-mown
The lower part of the shell 11 of machine 10.
In the blade assembly 20 used in the lawn mower 10, mounting plate 23 includes: mounting portion 24, is installed on grass
The lower part of level ground trimmer 10；And edge pruning guide portion 26, it is set as prominent towards front across 25 self installation portion 24 of arm
Out, it configures in the outside in the region that upper and lower a pair of of blade 21,22 is moved back and forth along left and right directions.In this way, even not
It is suitble to the lawn mower of edge pruning, can be only adapted to by the way that the blade assembly 20 is installed on lawn mower 10
The lawn mower 10 of edge pruning, without using additional component.In addition, if due to upper and lower a pair of of blade 21,22
It wears and replaces blade assembly 20, then edge pruning guide portion 26 is also replaced with mounting plate 23 together, can be upper and lower a pair of
Edge pruning guide portion 26 is replaced when blade 21,22 is worn, can make edge pruning guide portion 26 and upper and lower blade 21,
22 become good state together.The edge pruning guide portion 26 and then above and below blade 21,22 and be located on the downside of it, because
This, even if can also be prevented when wiping out the grass of the boundary part of a lower height of structure as being grown in building block, brick
Upper and lower blade 21,22 is contacted with structure.
In addition, what the edge pruning guide portion 26 configuration was moved back and forth in upper and lower a pair of of blade 21,22 along left and right directions
The outside of two side of left and right in region, therefore the left and right sides and structure of the upper and lower blade 21,22 in lawn mower 10 can be prevented
Divine force that created the universe contact.In addition, the utility model is not limited thereto, it is also possible to the configuration of edge pruning guide portion 26 upper and lower a pair of
The outside of a side in the left and right directions in the region that blade 21,22 is moved back and forth along left and right directions.
In addition, making edge pruning by making edge pruning guide portion 26 across the downward lateral bend in 25 self installation portion of arm 24
Guide portion 26 is separate downwards from lower blade 22.The lower blade 22 that thereby, it is possible to prevent from moving back and forth along left and right directions
Blade 22b contacted with edge pruning guide portion 26, the blade 22b and edge pruning guide portion 26 of lower blade 22 are not easy to grind
Damage.In addition, edge pruning guide portion 26 is each made of a metal with mounting plate 23, thus edge pruning guide portion 26 be not easy recess or
Person can optimize sliding property when sliding edge pruning guide portion 26 along the ground of lawn growth by scraping.
Mounting plate 23 is in the color different from upper and lower a pair of of blade 21,22 including edge pruning guide portion 26, therefore
Edge pruning guide portion 26 and upper and lower blade 21,22 can be distinguished by vision.Thereby, it is possible to avoid because accidentally by upper and lower knife
Piece 21,22 is regarded edge pruning guide portion 26 as and is touched to it.
The peripheral part of edge pruning guide portion 26 linearly extends along front and back, therefore by making edge pruning guide portion
26 peripheral part linearly extended is mobile with the state abutted with structures such as walls, and lawn mower 10 can be made along wall
Equal structures are mobile.In addition, the utility model is not limited thereto, it is also possible to the peripheral part court of edge pruning guide portion 26
It is curvilinear outward to heave.In this case, the part most heaved outward for making edge pruning guide portion 26 with
In the state that structure abuts, lawn mower 10 can be easily set fine to rotate around vertical axis.
The front side top end part of edge pruning guide portion 26 is in sharp shape, therefore is held when wanting the root on cutting lawn
Easily penetrate the ground of lawn growth.In addition, the utility model is not limited thereto, it is also possible to edge pruning guide portion 26
The curved shape in front side top end part.In this case, it can be avoided the edge pruning guide portion 26 when carrying out turf-mown
Front side top end part penetrate branch, stem etc..
For the blade assembly 20, can also as shown in Figure 6 the inner peripheral portion of edge pruning guide portion 26 with it is upper
The position that blade 21b, the 22b in the outside on the left and right directions of lower a pair of blade 21,22 intersect forms sword shape portion 26a.?
Under such circumstances, even keeping out of the way the grass in the outside of the blade of upper and lower a pair of of blade 21,22, blade and side can also be passed through
Edge trims the interoperation of guiding piece 26 to trim to it.
Claims (11)
1. a kind of blade assembly, which is used for lawn mower, which is characterized in that
The blade assembly includes:
A pair of blade up and down, by keeping upper blade and lower blade reciprocal along left and right directions direction opposite toward each other
To cut off grass, the upper blade and lower blade, which have, is set as self installation in the base portion of the lower part of the lawn mower for movement
Towards the front blade outstanding arranged along left and right directions in pectination；And
Mounting plate is located at the downside of the base portion of the lower blade, for the base portion of the blade a pair of of up and down to be installed on
The lower part of lawn mower,
The mounting plate includes: mounting portion, is installed on the lower part of the lawn mower；And edge pruning guide portion,
It is set as protruding from the mounting portion towards front, configure in the area that the blade a pair of of up and down is moved back and forth along left and right directions
The outside of at least one party in the left and right directions in domain.
2. blade assembly according to claim 1, which is characterized in that
Left and right of the edge pruning guide portion configuration in the region that the blade a pair of of up and down is moved back and forth along left and right directions
The outside of two sides.
3. blade assembly according to claim 1 or 2, which is characterized in that
By making the edge pruning guide portion from the downward lateral bend of the mounting portion, make the edge pruning guide portion described in
Lower blade is separate downwards.
4. blade assembly according to claim 1 or 2, which is characterized in that
The edge pruning guide portion is made of metal.
5. blade assembly according to claim 1 or 2, which is characterized in that
The edge pruning guide portion is in the color different from the blade a pair of of up and down.
6. blade assembly according to claim 1 or 2, which is characterized in that
The peripheral part of the edge pruning guide portion linearly extends along front-rear direction.
7. blade assembly according to claim 1 or 2, which is characterized in that
The peripheral part of the edge pruning guide portion is heaved towards outside is curvilinear.
8. blade assembly according to claim 1 or 2, which is characterized in that
The front side top end part of the edge pruning guide portion is in sharp shape.
9. blade assembly according to claim 1 or 2, which is characterized in that
The curved shape in front side top end part of the edge pruning guide portion.
10. blade assembly according to claim 1 or 2, which is characterized in that
The blade in the outside on the left and right directions with the blade a pair of of up and down of the inner peripheral portion of the edge pruning guide portion
The position to intersect is formed with sword shape portion.
11. a kind of lawn mower, which is characterized in that
The lawn mower includes blade assembly according to any one of claims 1 to 10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017188929A JP2019062761A (en) | 2017-09-28 | 2017-09-28 | Blade assembly and lawn clipper with the same |
| JP2017-188929 | 2017-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209017500U true CN209017500U (en) | 2019-06-25 |
Family
ID=66336940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821551701.4U Active CN209017500U (en) | 2017-09-28 | 2018-09-21 | Blade assembly and lawn mower |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019062761A (en) |
| CN (1) | CN209017500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114271120A (en) * | 2022-01-11 | 2022-04-05 | 郴州市农业科学研究所 | Pruning device for tea planting |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115149B (en) * | 2019-06-17 | 2020-12-15 | 北京邮电大学 | Autonomic cutting mechanism and robot |
-
2017
- 2017-09-28 JP JP2017188929A patent/JP2019062761A/en active Pending
-
2018
- 2018-09-21 CN CN201821551701.4U patent/CN209017500U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114271120A (en) * | 2022-01-11 | 2022-04-05 | 郴州市农业科学研究所 | Pruning device for tea planting |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019062761A (en) | 2019-04-25 |
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