CN106912247B - Grass trimmer - Google Patents
Grass trimmer Download PDFInfo
- Publication number
- CN106912247B CN106912247B CN201510998631.1A CN201510998631A CN106912247B CN 106912247 B CN106912247 B CN 106912247B CN 201510998631 A CN201510998631 A CN 201510998631A CN 106912247 B CN106912247 B CN 106912247B
- Authority
- CN
- China
- Prior art keywords
- locating part
- chassis
- blade
- grass trimmer
- limiting section
- 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.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
It include: blade, prime mover, chassis and limiting device the invention discloses a kind of grass trimmer；Blade is for mowing；Prime mover is for driving blade rotation；Chassis is for assembling prime mover；Limiting device is used to limit the rotation of blade；Wherein, blade can be rotated relative to chassis；Limiting device includes locating part；Locating part is movably connected to chassis；Locating part at least has first position and the second position with respect to chassis；When locating part is located at first position, locating part energy backstop is on the path of blade rotation；When locating part is located at the second position, locating part exits the path of blade rotation.Grass trimmer disclosed by the invention, being capable of efficiently quick quick removal of inserts.
Description
Technical field
The present invention relates to a kind of grass trimmers, and in particular to a kind of grass trimmer with blade limiting device.
Background technique
Grass trimmer is a kind of tool that user trims lawn.Blade high-speed rotation hits blade of grass, realizes cutting function
Energy.With prolonged work, wear phenomenon will occur in the cutting edge of blade, and sharp cutting edge rust influences cutting efficiency.
User needs removal of inserts at this time, by cutting edge polish it is sharp after reuse.
In the more moist grass of cutting, the grass cuttings under cutting are readily adhered to cut intracavitary, influence cut quality, therefore
User is needed to clear up cutting chamber in time.When user clears up cutting chamber, blade is by face user, in scale removal process, if knife
Piece rotates, and will bring greatly as danger.
The disassembly mode of the blade of traditional grass trimmer is the tool dismantled by an independent auxiliary blade, by knife
Piece clamps.Also blade by the tool is fixed to chassis to user by shell.But tool individually exist so that, be easier to
Lose.And since it is an independent part but also the fixation on blade and chassis is less reliable.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of the present invention is to provide one kind can effectively lock blade and chassis
Grass trimmer,
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of grass trimmer includes: blade, prime mover, chassis and limiting device；Blade is for mowing；Prime mover is for driving
Blade rotation；Chassis is for assembling prime mover；Limiting device is used to limit the rotation of blade；Wherein, blade can opposite chassis turn
It is dynamic；Limiting device includes locating part；Locating part is movably connected to chassis；Locating part at least has first position and with respect to chassis
Two positions；When locating part is located at first position, locating part energy backstop is on the path of blade rotation；Locating part is located at the second position
When, locating part exits the path of blade rotation.
Further, locating part is rotatablely connected to chassis.
Further, locating part is rotatablely connected to the edge on chassis, and locating part includes: limiting section, is used for and blade contact；
When locating part is located at first position, limiting section is located at the inside of chassis edge；When locating part is located at the second position, limiting section is located at
The outside of chassis edge.
Further, locating part is rotatablely connected to the edge on chassis, and locating part includes: shaft, for constituting with chassis
Rotation connection；Shaft is set to the outside of chassis edge.
Further, locating part includes: limiting section, is used for and blade contact；When locating part is located at first position, limiting section
Positioned at the inside of chassis edge；When locating part is located at the second position, limiting section is located at the outside of chassis edge.
Further, locating part includes: interconnecting piece, for connecting limiting section and shaft；Locating part is located at first position
When, interconnecting piece is contacted with chassis.
Further, limiting device further include: bias piece, for making locating part be maintained at first position or the second position.
Further, locating part is rotatablely connected to the edge on chassis, and locating part includes: limiting section, is used for and blade contact；
Shaft is rotatablely connected for constituting with chassis；Interconnecting piece, for connecting limiting section and shaft；Shaft is set to chassis
The outside at edge；When locating part is located at first position, limiting section is located at the inside of chassis edge；Locating part is located at the second position
When, limiting section is located at the outside of chassis edge；Bias piece is spring；Spring one end is connected to chassis, and the other end is connected to connection
Portion.
Further, locating part is formed with: the first confined planes and the second confined planes；First confined planes, backstop blade is along suitable
Conterclockwise rotation；Second confined planes, the rotation of backstop blade in the counterclockwise direction.
Further, the first confined planes and the second confined planes are oppositely arranged, the spacing of the first confined planes and the second confined planes
From the width more than or equal to blade.
The invention has the beneficial effects that dismounting and change blade fast facilitates, the locking on blade and chassis is reliable.
Detailed description of the invention
Fig. 1 shows a kind of grass trimmer as embodiment；
Fig. 2 is that the locating part of grass trimmer in Fig. 1 is in the schematic diagram of first position；
Fig. 3 is that the locating part of grass trimmer in Fig. 1 is in the schematic diagram of the second position；
Fig. 4 is the partial enlarged view of limiting device in Fig. 1；
Fig. 5 is the schematic diagram of limiting device locking blade in Fig. 4.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, grass trimmer 100 includes blade 10, prime mover 20, chassis 30, handle device 40, wheel group 50 and limit
Device 60.
Blade 10 is for mowing.Prime mover 20 drives blade 10 to rotate.In general, common prime mover 20 has with fuel
Burning is the internal combustion engine of power, and using electric power as the motor of power.Major part of the chassis 30 as grass trimmer 100, will be each
Part is assembled integrally.20 device of prime mover is to chassis 30.Wheel group 50 is rotated relative to chassis 30, enables grass trimmer 100
It is moved relative to ground.Handle device 40 is connected to chassis 30.Grass trimmer 100 is controlled for convenience, handle dress
It sets 40 and is equipped with the control device controlled prime mover 20.In addition user can be by handle device 40 to grass trimmer 100
Direction of travel controlled.30 device of chassis is formed with cutting chamber 31, and blade 10 rotates in cutting chamber 31.Limiting device 60
For limiting the rotation of blade 10.
As shown in Figures 2 and 3, limiting device 60 includes locating part 70 and bias piece 80.Locating part 70 is movably connected to bottom
Disk 30.Specifically, locating part 70 is rotatablely connected to chassis 30.By the way of rotation connection, limiting device 60 can be used
Lesser volume, it is compact-sized.
Locating part 70 includes: shaft 71, limiting section 72 and interconnecting piece 73.Shaft 71 is used to constitute with chassis 30 and rotate
Connection.Locating part 70 is rotatablely connected by shaft 71 to chassis 30.Specifically, locating part 70 is rotatablely connected to chassis 30
Edge.Shaft 71 is set to the outside at 30 edge of chassis.Locating part 70 is around pivotal axis.The pivot axis of locating part 70
Perpendicular to the pivot center of blade 10.Limiting section 72 with blade 10 for contacting, the rotation of blade 10 described in backstop.Interconnecting piece 73
Connect shaft 71 and limiting section 72.
Locating part 70 at least has first position and the second position relative to chassis 30.As shown in Fig. 2, locating part 70 is located at
When first position, 70 energy backstop of locating part is on the path that blade 10 rotates, specifically, limiting section 72 is located at 30 edge of chassis
Inside, i.e., cutting chamber 31 in.72 backstop of limiting section can stop blade 10 relative to chassis on the path that blade 10 rotates
30 rotation.
As shown in figure 3, locating part 70 exits the path of the rotation of blade 10 when locating part 70 is located at the second position.It is specific and
Speech, limiting section 72 are located at the outside at 30 edge of chassis.Limiting section 72 is moved to outside cutting chamber 31 at this time.Blade 10 can be relative to
Chassis 30 rotates.
As shown in Figures 2 and 3, bias piece 80 is for making locating part 70 be maintained at first position or the second position.Such as Fig. 2 institute
Show, bias piece 80 makes locating part 70 be maintained at first position.As shown in figure 3, bias piece 80 makes locating part 70 be maintained at second
It sets.Specifically, bias piece 80 is spring, spring one end is connected to chassis 30, and the other end is connected to interconnecting piece 73.Such as Fig. 2 institute
Show, when locating part 70 is located at first position, interconnecting piece 73 is contacted with chassis 30.30 bottom contact connectio portion 73 of chassis is to locating part
70 play the role of limit.
As shown in Figure 4 and Figure 5, locating part 70 is formed with the first confined planes 74 and the second confined planes 76.First confined planes 74,
The rotation of backstop blade 10 along clockwise direction；Second confined planes 76, the rotation of backstop blade 10 in the counterclockwise direction.First limit
Plane 74 and the second confined planes 76 are oppositely arranged, and distance is more than or equal to blade between the first confined planes 74 and the second confined planes 76
10 width.Specifically, the first confined planes 74 and the second confined planes 76 are plane；First confined planes 74 are parallel to the second limit
Face 76.Locating part 70 is made of metal material.Locating part 70 is sheet metal component, and punching press is made.
As shown in Figure 4 and Figure 5, limiting device 60 further includes fixed pin 90；First confined planes 74 are formed with the first fixation hole
75, the second confined planes 76 are formed with the second fixation hole 77.Fixed pin 90 penetrates the first fixation hole 75 and the second fixation hole 77.It is fixed
Blade 10 can be effectively locked between limiting section 72 and fixed pin 90 by pin 90, prevent the movement of blade 10.Avoid spring
It is locked when failure or 30 local deformation of locating part 70 and chassis there is a situation where blade 10 is detached from.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. a kind of grass trimmer, comprising:
Blade, for mowing；
Prime mover, for driving the blade rotation；
Chassis, for assembling described prime mover；
Limiting device, for limiting the rotation of the blade；
Wherein, the blade can be rotated relative to the chassis；
The limiting device includes:
Locating part is movably connected to the chassis；
The relatively described chassis of the locating part at least has first position and the second position；
When the locating part is located at the first position, the locating part energy backstop is on the path of the blade rotation；
When the locating part is located at the second position, the locating part exits the path of the blade rotation.
2. grass trimmer according to claim 1, it is characterised in that:
The locating part is rotatablely connected to the chassis.
3. grass trimmer according to claim 1, it is characterised in that:
The locating part is rotatablely connected to the edge on the chassis, and the locating part includes:
Limiting section is used for and the blade contact；
When the locating part is located at the first position, the limiting section is located at the inside of the chassis edge；
When the locating part is located at the second position, the limiting section is located at the outside of the chassis edge.
4. grass trimmer according to claim 1, it is characterised in that:
The locating part is rotatablely connected to the edge on the chassis, and the locating part includes:
Shaft is rotatablely connected for constituting with the chassis；
The shaft is set to the outside of the chassis edge.
5. grass trimmer according to claim 4, it is characterised in that:
The locating part includes:
Limiting section is used for and the blade contact；
When the locating part is located at the first position, the limiting section is located at the inside of the chassis edge；
When the locating part is located at the second position, the limiting section is located at the outside of the chassis edge.
6. grass trimmer according to claim 5, it is characterised in that:
The locating part includes:
Interconnecting piece, for connecting the limiting section and the shaft；
When the locating part is located at the first position, the interconnecting piece is contacted with the chassis.
7. grass trimmer according to claim 1, it is characterised in that:
The limiting device further include:
Bias piece, for making the locating part be maintained at the first position or the second position.
8. grass trimmer according to claim 7, it is characterised in that:
The locating part is rotatablely connected to the edge on the chassis, and the locating part includes:
Limiting section is used for and the blade contact；
Shaft is rotatablely connected for constituting with the chassis；
Interconnecting piece, for connecting the limiting section and the shaft；
The shaft is set to the outside of the chassis edge；
When the locating part is located at the first position, the limiting section is located at the inside of the chassis edge；
When the locating part is located at the second position, the limiting section is located at the outside of the chassis edge；
The bias piece is spring；
The spring one end is connected to the chassis, and the other end is connected to the interconnecting piece.
9. grass trimmer according to claim 1, it is characterised in that:
The locating part is formed with: the first confined planes and the second confined planes；
First confined planes, the rotation of blade along clockwise direction described in backstop；
Second confined planes, the rotation of blade in the counterclockwise direction described in backstop.
10. grass trimmer according to claim 9, it is characterised in that:
First confined planes and second confined planes are oppositely arranged,
The width more than or equal to the blade of distance between first confined planes and second confined planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998631.1A CN106912247B (en) | 2015-12-25 | 2015-12-25 | Grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998631.1A CN106912247B (en) | 2015-12-25 | 2015-12-25 | Grass trimmer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106912247A CN106912247A (en) | 2017-07-04 |
| CN106912247B true CN106912247B (en) | 2019-04-19 |
Family
ID=59455959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510998631.1A Expired - Fee Related CN106912247B (en) | 2015-12-25 | 2015-12-25 | Grass trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106912247B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114354A (en) * | 1976-11-05 | 1978-09-19 | Outboard Marine Corporation | Lawn mower blade mounting |
| EP0611520A1 (en) * | 1993-02-15 | 1994-08-24 | ETESIA (Société en Commandite Simple) | Lawn mower cutting device |
| CN1206645A (en) * | 1997-07-30 | 1999-02-03 | 兄弟工业株式会社 | Cutter changing device and method for using it on machine-tool |
| CN1709019A (en) * | 2004-06-18 | 2005-12-21 | 王和平 | Safety rotary blade |
| CN203860049U (en) * | 2014-04-24 | 2014-10-08 | 程佩芳 | Novel garden rotating cutter head with detachably changeable blades |
-
2015
- 2015-12-25 CN CN201510998631.1A patent/CN106912247B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114354A (en) * | 1976-11-05 | 1978-09-19 | Outboard Marine Corporation | Lawn mower blade mounting |
| EP0611520A1 (en) * | 1993-02-15 | 1994-08-24 | ETESIA (Société en Commandite Simple) | Lawn mower cutting device |
| CN1206645A (en) * | 1997-07-30 | 1999-02-03 | 兄弟工业株式会社 | Cutter changing device and method for using it on machine-tool |
| CN1709019A (en) * | 2004-06-18 | 2005-12-21 | 王和平 | Safety rotary blade |
| CN203860049U (en) * | 2014-04-24 | 2014-10-08 | 程佩芳 | Novel garden rotating cutter head with detachably changeable blades |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106912247A (en) | 2017-07-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20211225 |