CN208624115U - A kind of grass trimmer of anti-grass winding moving head - Google Patents
A kind of grass trimmer of anti-grass winding moving head Download PDFInfo
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- CN208624115U CN208624115U CN201821089673.9U CN201821089673U CN208624115U CN 208624115 U CN208624115 U CN 208624115U CN 201821089673 U CN201821089673 U CN 201821089673U CN 208624115 U CN208624115 U CN 208624115U
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- moving head
- output shaft
- antiwind
- sheath
- sliding bar
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Abstract
The utility model row discloses a kind of grass trimmer of anti-grass winding moving head, it is intended to provide a kind of can be effectively improved on the output shaft that can be wound between gearbox-case and moving head shell by weeds, cause output shaft stuck, the grass trimmer of the anti-grass winding moving head of the problem of damaging the machine.It includes gear, and gear includes gearbox-case and output shaft；Moving head, moving head include the moving head shell being fixed on output shaft；Antiwind sheath is equipped with towards the one side of the moving head shell of gearbox-case, the output shaft is located in antiwind sheath, and antiwind sheath and output shaft are coaxial, it is equipped with the annular receiving groove matched with antiwind sheath towards the one side of the gearbox-case of moving head, the end of antiwind sheath is protruded into annular receiving groove.
Description
Technical field
The utility model row is related to a kind of grass trimmer, and in particular to a kind of grass trimmer of anti-grass winding moving head.
Background technique
The moving head that current grass trimmer generally includes gear and is connected with the output shaft of gear, due to
There are gaps between the gearbox-case of gear and the moving head shell of moving head, this makes grass trimmer in the course of work
In, a part of weeds can be wound on the output shaft between gearbox-case and moving head shell, occur moving head load increase,
Revolving speed decline, or even cause output shaft stuck, the problem of damaging the machine.
Utility model content
The purpose of the utility model row, which is to provide for one kind, can be effectively improved because weeds can be wound into gearbox-case
On output shaft between moving head shell, cause output shaft stuck, the anti-grass winding moving head of the problem of damaging the machine is cut
Careless machine.
The technical solution of the utility model row is:
It is a kind of it is anti-grass winding moving head grass trimmer, comprising: gear, gear include gearbox-case and
Output shaft；Moving head, moving head include the moving head shell being fixed on output shaft；Towards the moving head shell of gearbox-case
One side be equipped with antiwind sheath, the output shaft is located in antiwind sheath, and antiwind sheath and output shaft are coaxial,
The annular receiving groove matched with antiwind sheath, antiwind sheath are equipped with towards the one side of the gearbox-case of moving head
End protrude into annular receiving groove.
By being arranged in antiwind sheath and annular receiving groove, output shaft is located in antiwind sheath this programme, and anti-tangle
End around sheath is protruded into annular receiving groove, so can be to avoid grass trimmer during the work time, and a part of weeds can be direct
It is wound on the output shaft between gearbox-case and moving head shell, the increase of moving head load, revolving speed decline occurs, or even make
It is stuck at output shaft, the problem of damaging the machine.
Preferably, further including winding careless disconnecting device, winding careless disconnecting device includes being arranged on antiwind sheath simultaneously
Along the pilot hole of output shaft radially extended, the sliding bar being slidably arranged in pilot hole and gear towards moving head is set
Eccentric wheel case on the side of box enclosure,
The bias wheel case is located on the inside of antiwind sheath, and the axis of eccentric wheel case and the axis of output shaft are parallel, institute
The first end for stating sliding bar is located at the inside of antiwind sheath, and the end face of the first end of sliding bar is equipped with ball；Sliding bar
Second end be located at the outside of antiwind sheath, and the end face of the second end of sliding bar is equipped with cutoff tool；The sliding bar
Lateral surface is equipped with the holding tank radially extended along output shaft, and the first end of holding tank is accommodated close to the first end of sliding bar
For the second end of slot close to the second end of sliding bar, the medial surface of the pilot hole is equipped with the limited block matched with holding tank,
Limited block is located in holding tank, is additionally provided with sliding bar reset spring in holding tank, and the second of sliding bar reset spring and sliding bar
End is located at the same side of limited block, and one end of sliding bar reset spring is against on limited block, the other end of sliding bar reset spring
It is against on the end face of the second end of holding tank.
Although the setting of antiwind sheath can be directly wound on output shaft to avoid weeds, it is stuck to effectively reduce output shaft
The problem of, but user has found new problem in actual use, i.e., still will appear some weeds and wind antiwind shield
There is the problem of moving head load increases, revolving speed declines in set, and cuts for this purpose, utility model pedestrian has carried out Curve guide impeller winding grass
Disconnected device.
In the case where having winding weeds on antiwind sheath, under the action of sliding bar reset spring, limited block is supported
On the end face of the first end of holding tank, at this point, the first end of sliding bar is separated with eccentric wheel case, in moving head rotary course
The first end of sliding bar is not contacted with eccentric wheel case, so can increase moving head to avoid because of the setting for winding careless disconnecting device
Load influences the support rotation of moving head；
After there is weeds winding antiwind sheath, a part of weeds are cut off knife and directly cut off, but there are also one
Point weeds continue to be wrapped on antiwind sheath, and due to the enclasping force of weeds winding, sliding bar will be along pilot hole toward output shaft
Direction is mobile, and after sliding bar mobile a distance, the lateral surface of eccentric wheel case will be beaten and slide in moving head rotary course
The end face of the first end of bar is equipped on ball, so that sliding bar be forced quickly to remove outward, will be wound from by cutoff tool
Weeds on antiwind sheath are directly cut off, and are avoided excessive weeds from continuing to be wrapped on antiwind sheath, are caused moving head
The problem of load increases, revolving speed declines.
Preferably, when limited block is against on the end face of the first end of holding tank, the first end and output shaft of sliding bar
Between spacing be greater than the maximum spacing between the lateral surface and output shaft of eccentric wheel case.
Preferably, the blade of cutoff tool is parallel with the axis of output shaft.
Preferably, the side of the moving head shell where antiwind sheath and the gearbox-case where annular receiving groove
Side it is parallel.
Preferably, antiwind sheath is an integral molding structure with moving head shell.
Preferably, moving head further includes the rope sheave being arranged in moving head shell and circle is wound on rope of beating the grass on rope sheave,
The axis of rope sheave is overlapped with the axis of output shaft, and moving head shell is equipped with cord hole, and the end for rope of beating the grass in cord hole by stretching out.
The beneficial effect of the utility model row is: can be effectively improved because weeds can be wound into gearbox-case and moving head
On output shaft between shell, cause output shaft stuck, the problem of damaging the machine.
Detailed description of the invention
Fig. 1 is a kind of partial structural diagram of the grass trimmer of the anti-grass winding moving head of the utility model row.
Fig. 2 is a kind of partial enlarged view in Fig. 1 at A.
In figure:
Gear 1, gearbox-case 1.1, output shaft 1.2；
Moving head 2, moving head shell 2.1, rope sheave 2.2, rope 2.3 of beating the grass；
Antiwind sheath 3；
Annular receiving groove 4；
Wind careless disconnecting device 5, pilot hole 5.0, sliding bar 5.1, eccentric wheel case 5.2, ball 5.3, cutoff tool 5.4, appearance
Receive slot 5.5, limited block 5.6, sliding bar reset spring 5.7.
Specific embodiment
The utility model row is described in further detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1, a kind of grass trimmer of anti-grass winding moving head, including gear 1, moving head 2 and winding grass
Disconnecting device 5.
Gear includes gearbox-case 1.1, the gear drive and output shaft that are arranged in gearbox-case
1.2。
Moving head include the moving head shell 2.1 being fixed on output shaft, the rope sheave 2.2 being arranged in moving head shell and
Enclose the rope 2.3 of beating the grass being wound on rope sheave.The axis of rope sheave is overlapped with the axis of output shaft.Moving head shell is equipped with cord hole, beats
The end of straw rope in cord hole by stretching out.
Towards gearbox-case moving head shell one side be equipped with antiwind sheath 3, antiwind sheath with beat the grass
Head shell is an integral molding structure.Output shaft is located in antiwind sheath, and antiwind sheath and output shaft are coaxial.
It is equipped with the annular receiving groove 4 matched with antiwind sheath towards the one side of the gearbox-case of moving head,
Annular receiving groove is coaxial with output shaft.The end of antiwind sheath is protruded into annular receiving groove.
The side phase of the side of moving head shell where antiwind sheath and the gearbox-case where annular receiving groove
In parallel.
As shown in Figure 1 and Figure 2, winding careless disconnecting device includes being arranged on antiwind sheath and prolonging along the radial direction of output shaft
The pilot hole 5.0 stretched, the sliding bar 5.1 being slidably arranged in pilot hole and side towards the gearbox-case of moving head is set
Eccentric wheel case 5.2 on face.
Eccentric wheel case is an integral molding structure with gearbox-case.Eccentric wheel case is located on the inside of antiwind sheath, eccentric wheel
The axis of set and the axis of output shaft are parallel.
The first end of sliding bar is located at the inside of antiwind sheath, and the end face of the first end of sliding bar is equipped with ball
5.3.The second end of sliding bar is located at the outside of antiwind sheath, and the end face of the second end of sliding bar is equipped with cutoff tool 5.4.
The blade of cutoff tool and the axis of output shaft are parallel.
The lateral surface of sliding bar is equipped with the holding tank 5.5 radially extended along output shaft.The first end of holding tank is close
The first end of sliding bar, the second end of the second end of holding tank close to sliding bar.The medial surface of pilot hole is equipped with and holding tank
The limited block 5.6 matched, limited block are located in holding tank.
It is additionally provided with sliding bar reset spring 5.7 in holding tank, the second end of sliding bar reset spring and sliding bar is located at limit
The same side of position block.One end of sliding bar reset spring is against on limited block, and the other end of sliding bar reset spring is against receiving
On the end face of the second end of slot.
Spacing when limited block is against on the end face of the first end of holding tank, between the first end and output shaft of sliding bar
Greater than the maximum spacing between the lateral surface and output shaft of eccentric wheel case.
By being arranged in antiwind sheath and annular receiving groove, output shaft is located in antiwind sheath the present embodiment, and anti-
The end of winding sheath is protruded into annular receiving groove, so can be to avoid grass trimmer during the work time, and a part of weeds can be straight
It connects on the output shaft being wound between gearbox-case and moving head shell, the increase of moving head load, revolving speed decline occurs, even
Cause output shaft stuck, the problem of damaging the machine.
On the other hand, it although the setting of antiwind sheath can be directly wound on output shaft to avoid weeds, effectively reduces
The stuck problem of output shaft, but user has found new problem in actual use, i.e., still will appear some weeds and twine
Around antiwind sheath, there is the problem of moving head load increases, revolving speed declines, twined for this purpose, utility model pedestrian further designs
Around careless disconnecting device.
In the case where having winding weeds on antiwind sheath, under the action of sliding bar reset spring, limited block is supported
On the end face of the first end of holding tank, at this point, the first end of sliding bar is separated with eccentric wheel case, in moving head rotary course
The first end of sliding bar is not contacted with eccentric wheel case, so can increase moving head to avoid because of the setting for winding careless disconnecting device
Load influences the support rotation of moving head；
After there is weeds winding antiwind sheath, a part of weeds are cut off knife and directly cut off, but there are also one
Point weeds continue to be wrapped on antiwind sheath, and due to the enclasping force of weeds winding, sliding bar will be along pilot hole toward output shaft
Direction is mobile, and after sliding bar mobile a distance, the lateral surface of eccentric wheel case will be beaten and slide in moving head rotary course
The end face of the first end of bar is equipped on ball, so that sliding bar be forced quickly to remove outward, will be wound from by cutoff tool
Weeds on antiwind sheath are directly cut off, and are avoided excessive weeds from continuing to be wrapped on antiwind sheath, are caused moving head
The problem of load increases, revolving speed declines.
Claims (5)
1. a kind of grass trimmer of anti-grass winding moving head, comprising:
Gear, gear include gearbox-case and output shaft；
Moving head, moving head include the moving head shell being fixed on output shaft；It is characterized in that
It is equipped with antiwind sheath towards the one side of the moving head shell of gearbox-case, the output shaft is located at antiwind shield
In set, and antiwind sheath and output shaft are coaxial,
It is equipped with the annular receiving groove matched with antiwind sheath towards the one side of the gearbox-case of moving head, it is antiwind
The end of sheath is protruded into annular receiving groove.
2. the grass trimmer of anti-grass winding moving head according to claim 1, characterized in that further include winding grass cutting dress
It sets, winding careless disconnecting device includes being arranged on antiwind sheath and along the pilot hole of output shaft radially extended, sliding setting
Sliding bar in pilot hole and it is arranged in towards the eccentric wheel case on the side of the gearbox-case of moving head,
The bias wheel case is located on the inside of antiwind sheath, and the axis of eccentric wheel case and the axis of output shaft are parallel,
The first end of the sliding bar is located at the inside of antiwind sheath, and the end face of the first end of sliding bar is equipped with ball；
The second end of sliding bar is located at the outside of antiwind sheath, and the end face of the second end of sliding bar is equipped with cutoff tool；
The lateral surface of the sliding bar is equipped with the holding tank radially extended along output shaft, and the first end of holding tank is close to sliding
The first end of bar, the second end of holding tank is close to the second end of sliding bar, and the medial surface of the pilot hole is equipped with and holding tank
The limited block matched, limited block are located in holding tank, and sliding bar reset spring, sliding bar reset spring are additionally provided in holding tank
It is located at the same side of limited block with the second end of sliding bar, one end of sliding bar reset spring is against on limited block, and sliding bar is multiple
On the end face for the second end that the other end of position spring is against holding tank.
3. the grass trimmer of anti-grass winding moving head according to claim 2, characterized in that when limited block is against holding tank
When on the end face of first end, the spacing between the first end and output shaft of sliding bar is greater than the lateral surface and output shaft of eccentric wheel case
Between maximum spacing.
4. the grass trimmer of anti-grass winding moving head according to claim 1 or 2 or 3, characterized in that the antiwind sheath
The side of the moving head shell at place is parallel with the side of the gearbox-case where annular receiving groove.
5. the grass trimmer of anti-grass winding moving head according to claim 1 or 2 or 3, characterized in that the moving head also wraps
It includes the rope sheave being arranged in moving head shell and circle is wound on rope of beating the grass on rope sheave, the axis of rope sheave and the axis weight of output shaft
It closes, moving head shell is equipped with cord hole, and the end for rope of beating the grass in cord hole by stretching out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089673.9U CN208624115U (en) | 2018-07-10 | 2018-07-10 | A kind of grass trimmer of anti-grass winding moving head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089673.9U CN208624115U (en) | 2018-07-10 | 2018-07-10 | A kind of grass trimmer of anti-grass winding moving head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208624115U true CN208624115U (en) | 2019-03-22 |
Family
ID=65736446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821089673.9U Active CN208624115U (en) | 2018-07-10 | 2018-07-10 | A kind of grass trimmer of anti-grass winding moving head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208624115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934473A (en) * | 2018-07-10 | 2018-12-07 | 浙江中力工具制造有限公司 | The grass trimmer of anti-grass winding moving head |
-
2018
- 2018-07-10 CN CN201821089673.9U patent/CN208624115U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934473A (en) * | 2018-07-10 | 2018-12-07 | 浙江中力工具制造有限公司 | The grass trimmer of anti-grass winding moving head |
| CN108934473B (en) * | 2018-07-10 | 2020-02-28 | 浙江中力工具制造有限公司 | Grass cutter capable of preventing grass from winding and beating head |
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