CN110337888B - Grass cutting machine with adjustable cutting diameter - Google Patents
Grass cutting machine with adjustable cutting diameter Download PDFInfo
- Publication number
- CN110337888B CN110337888B CN201910506798.XA CN201910506798A CN110337888B CN 110337888 B CN110337888 B CN 110337888B CN 201910506798 A CN201910506798 A CN 201910506798A CN 110337888 B CN110337888 B CN 110337888B
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- blade
- knob body
- protective cover
- grass
- grass cutting
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- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 95
- 238000005520 cutting process Methods 0.000 title claims abstract description 94
- 230000001681 protective effect Effects 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000009966 trimming Methods 0.000 description 10
- 238000010009 beating Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000000670 limiting effect Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009333 weeding Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- 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
- A01D34/416—Flexible line cutters
-
- 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
- A01D34/416—Flexible line cutters
- A01D34/4167—Protection devices
-
- 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
- A01D34/416—Flexible line cutters
- A01D34/4168—Constructional details of the flexible lines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a grass cutting machine with an adjustable cutting diameter, which belongs to the field of hand-held electric garden tools, and comprises a grass cutting head and a protective cover, wherein a grass cutting rope is arranged in the grass cutting head, the end part of the grass cutting rope penetrates out of the side surface of the grass cutting head, a blade for cutting the penetrating end of the grass cutting rope is arranged on the inner side of the protective cover, the blade rotates in the protective cover to change the radial distance between the blade and the grass cutting head, the radial distance comprises a first radial distance corresponding to the blade when the blade rotates to the position closest to the grass cutting head and a second radial distance corresponding to the blade when the blade rotates to the position farthest from the grass cutting head, the first radial distance is smaller than the second radial distance, the blade of the grass cutting machine can be adjusted on the protective cover more conveniently, the cutting diameter can be changed without dismantling the blade, the adjusting range is wide, the practicability is strong, a human body is not required to repeatedly contact the blade, and the safety is high.
Description
[ field of technology ]
The invention relates to a hand-held electric garden tool, in particular to a grass cutting machine with an adjustable cutting diameter.
[ background Art ]
The grass trimmer is a hand-held tool for cutting weeds in lawns, gardens, pastures and the like, the use of the grass trimmer reduces the labor intensity of weeding workers, improves the weeding efficiency, is clean in harvesting and tidy in laying, grass trimming heads of the grass trimmer are divided into blades and grass trimming ropes, the cutting strength of the blades is stronger, the grass trimming heads are more suitable for cutting thick shrubs and the like, the blade edges are sharp, the damage to users is easy to occur, the volume is heavy, the application range is small, the grass trimming machine is more suitable for being used in open environments, the blades with different sizes are required to be replaced again for different use occasions, the operation is troublesome, the grass trimming rope type grass trimmer completes cutting through exposed grass trimming ropes, the grass trimming ropes are lighter, the damage to users is avoided, the safety is high, after the exposed grass trimming ropes are broken, only new grass trimming ropes inside are needed to be released, the operation is convenient, the grass mowing rope type grass mowing machine has wide application range and high flexibility, the cutting diameter is changed only by changing the exposed length of the grass mowing rope, so that the grass mowing rope type grass mowing machine is suitable for different environments, besides wide environments, the grass mowing rope type grass mowing machine is applicable to flower beds, tree bottoms, stone steps, edges, corners and dead angles, the external leakage length of the grass mowing rope is changed by cutting through a double-edged blade arranged on a protective cover of the grass mowing machine in the rotating process of the grass mowing rope, the cutting diameter is determined by the position of the blade on the protective cover of the grass mowing machine, the cutting diameter of the grass mowing machine is changed by changing the position of the blade on the protective cover, the blade is locked and fixed on the protective cover by bolts at present through bolts, the bolts are removed when the cutting diameter is required to be adjusted, the blade is locked and fixed by the bolts again after the blade is moved to a new position, repeated disassembly and assembly are required by means of tools, the adjustment is tedious, time and labor are consumed, and increases the likelihood of being cut.
[ invention ]
The invention aims to solve the technical problem of how to enable the blade to be adjusted on the protective cover more conveniently, and the cutting diameter can be changed without disassembling the blade.
The invention solves the technical problems and adopts the following technical scheme: the utility model provides a cutting diameter adjustable grass cutting machine, includes grass cutting head and protection casing, be equipped with the rope of beating grass in the head of beating grass, the grass cutting head side is worn out to rope of beating grass tip, its characterized in that is equipped with the blade that cuts off the rope of beating grass and wears out the end in the protection casing inboard, and the blade rotates in order to change with the radial distance of head of beating grass in the protection casing, radial distance includes the first radial distance that corresponds when blade rotation to the nearest position of head of beating grass and the second radial distance that corresponds when the blade rotation to the farthest position of head of beating grass.
The beneficial effects of the invention are that:
when the cutting diameter needs to be adjusted in the use process of the grass mowing head, the position in the protective cover is directly changed through the rotation of the blade in the protective cover without using an external tool, so that the radial distance between the blade and the grass mowing head is changed, after the position of the blade is determined, when the grass mowing head rotates at a high speed, the grass mowing rope rotates at a high speed along with the grass mowing head and straightens under the action of centrifugal force, the part, beyond the blade, of the position where the blade is located is cut off by the blade, the rest grass mowing rope penetrates out to meet the requirement of the cutting diameter, the cutting diameter is convenient and fast to adjust, the operation is simple, the radial distance between the blade and the nearest position and the farthest position of the grass mowing head in the rotation process is adjustable, the adjusting range is wide, the practicability is strong, the blade is not required to be repeatedly contacted by a human body, and the safety is high.
As the preference, be equipped with the knob subassembly that drives the blade and rotate on the shield, realize 360 degrees clockwise and anticlockwise rotations of blade in the shield through rotatory knob subassembly, simple structure, the rotation scope is big, and the flexibility is strong.
Preferably, the knob assembly comprises a knob body arranged on the outer side of the protective cover, a connecting rod is fixedly arranged on the knob body, one end of the connecting rod, far away from the knob body, penetrates through the protective cover, an installing table is fixedly arranged at one end, far away from the knob body, of the connecting rod, and the blade is fixedly arranged on the installing table.
The knob body is arranged outside the protective cover, the operation is performed outside the protective cover, the safety is high, the cutting diameter is changed by rotating the knob body even if a grass cutting machine does not need to be stopped in the grass cutting process, the adjusting efficiency and the convenience are improved, the knob body, the connecting rod, the mounting table and the blade are fixedly connected, the structure is simple, the transmission effect is good, and the rotating body drives the blade to rotate synchronously, so that the controllability is high.
Preferably, the circumference of the outer side of the knob body is marked with cutting diameter data, a triangular prompt sign is arranged on the outer surface of the protective cover, which is close to the knob body, and the cutting diameter data pointed by the triangular prompt sign is the cutting diameter corresponding to the blade when the knob body is rotated to the position.
By adopting the data and the marks, a user can more conveniently and rapidly rotate the blade to the position corresponding to the required cutting diameter, so that the cutting diameter is adjusted more efficiently, conveniently and accurately.
Preferably, the protective cover is provided with a cylindrical installation shell with a bottom wall, the installation shell penetrates through the protective cover and is integrally formed with the protective cover, the knob body is in clearance connection with one end, far away from the bottom wall, of the installation shell, one end, far away from the knob body, of the connecting rod penetrates out of the bottom wall, and the installation table is arranged on the outer side of the bottom wall.
The knob assembly is connected with the protective cover through the cylindrical installation shell, the knob body is arranged at the upper part and the blades are arranged at the lower part in the grass mowing process, the knob body is in clearance connection with the installation shell, friction is reduced, the knob body is convenient to rotate, when the knob body is not rotated, one end of the installation shell has a limiting effect on a disc of the knob body, the knob assembly is prevented from sliding downwards, the installation table is arranged at the outer side of the bottom wall, the bottom wall also plays a limiting effect, when the protective cover is turned over, the knob assembly cannot slide downwards, the two ends of the knob assembly are limited, the knob assembly can only rotate on the protective cover and cannot slide, so that the blades are changed by the radial distance of the grass mowing head, and meanwhile, the bottom wall and the knob body have guiding and positioning effects on the connecting rod, so that the knob assembly can only rotate in a specific range and cannot deviate from a rotating track or shake.
Preferably, a mounting block is arranged on the connecting rod close to the knob body, a buffer seat is arranged on the inner side of the bottom wall of the mounting shell, a second pressure spring is arranged between the mounting shell and the buffer seat, one end of the second pressure spring is fixed on the mounting block, and the other end of the second pressure spring is in butt joint with the buffer seat.
The setting of second pressure spring has the cushioning effect, and elasticity when making the knob rotate relative circular installation shell is lighter in, compares in rigid contact rotation, and at the in-process of beating grass simultaneously, along with the removal and the rocking of beating grass machine, the installation shell also can not take place rigid collision with the knob body.
Preferably, a locking device for locking and positioning the blade is further arranged in the protective cover, and the locking device comprises a groove arranged on the inner wall of the mounting shell and a projection arranged on the knob body and clamped in the groove to lock the knob assembly.
The blade is locked at a required position through the locking device, so that the stability and safety of the blade are improved, the accuracy of the cutting diameter is ensured, the blade is prevented from being driven to rotate by the high-speed rotation of the rope, the radial distance between the blade and the grass cutting head is changed, and the accuracy of the cutting diameter is influenced; the groove and the lug locking device are simple in structure, easy to process, convenient to operate and good in locking effect.
Preferably, a horizontal chute is arranged on the inner side of the knob body, a sliding block is arranged in the horizontal chute, one end of the sliding block protrudes out of the side wall of the knob body, a first pressure spring is arranged between the other end of the sliding block and the side wall of the groove, a lug is arranged at one end, far away from the elastic connecting piece, of the sliding block, and an opening for the lug to slide is formed in the position, close to the lug, of the knob body.
When the knob assembly is required to be rotated, one end of the sliding block protruding out of the side wall of the knob body is pressed, the first pressure spring is compressed, the protruding block slides inwards along the opening and is separated from the groove, the knob body is unlocked, the blade is driven to rotate clockwise or anticlockwise, after the blade reaches a required position, one end of the sliding block protruding out of the side wall of the knob body is loosened, the first pressure spring is automatically reset, the protruding block is driven to slide towards the outer ring along the opening and is clamped into the groove, and locking of the knob assembly is achieved.
Preferably, one end of the sliding block, which is close to the first pressure spring, is provided with a clamping structure, and the knob body is provided with a clamping groove matched with the clamping structure, so that the sliding block is prevented from falling off from the sliding groove and the knob body in the outward sliding process.
Preferably, the slider is close to the first pressure spring department and is equipped with horizontal direction blind hole, and in the horizontal direction blind hole was arranged in to the one end of first pressure spring, first pressure spring other end and recess lateral wall butt made first pressure spring compress and stretch out along axial direction, prevent that first pressure spring from supplying to radial direction or ejecting from the draw-in groove because of the extrusion effect.
These features and advantages of the invention will be disclosed in more detail in the following detailed description and accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the grass trimmer of the present invention.
Fig. 2 is a schematic perspective view of the protective cover of the invention.
Fig. 3 is an exploded view of the invention cover portion.
Fig. 4 is a top view of the inventive cover portion.
Fig. 5 is a sectional view of an assembled invention mounting housing, knob mechanism and blade.
Fig. 6 is a schematic perspective view of a knob mechanism with a cutter head according to the present invention.
Fig. 7 is a schematic perspective view of a knob mechanism of the invention with the slider removed.
Fig. 8 is a schematic diagram of the three-dimensional structure of the slider of the invention.
FIG. 9 is a schematic view of another angular perspective of the inventive slider.
[ detailed description ] of the invention
The technical solutions of the embodiments of the invention are explained and illustrated below with reference to the drawings of the embodiments of the invention, but the embodiments described below are only preferred embodiments of the invention, not all. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention.
In the following description, directional or positional relationships such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are presented for convenience in describing the embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Examples:
as shown in fig. 1 to 9, a grass cutting machine with adjustable cutting diameter comprises a grass cutting head 1 and a protective cover 2, wherein a grass cutting rope 3 is arranged in the grass cutting head 1, the end part of the grass cutting rope 3 penetrates out of the side surface of the grass cutting head, a blade 4 for cutting the penetrating end of the grass cutting rope is arranged on the inner side of the protective cover, the blade 4 rotates in the protective cover 2 to change the radial distance from the grass cutting head 1, the radial distance comprises a first radial distance corresponding to the position of the blade 4 closest to the grass cutting head 1 and a second radial distance corresponding to the position of the blade 4 farthest from the grass cutting head 1, and the first radial distance is smaller than the second radial distance.
When the grass cutting head 1 needs to be adjusted in the use process, the position in the protective cover 2 is directly changed through the rotation of the blade 4 in the protective cover 2 without using an external tool, so that the radial distance between the blade 4 and the grass cutting head 1 is changed, after the position of the blade 4 is determined, when the grass cutting head 1 rotates at a high speed, the grass cutting rope 3 rotates at a high speed along with the grass cutting head 1 and straightens under the action of centrifugal force, the part, beyond the blade 4, of the position where the blade 4 is located is cut off by the blade 4, the length of the rest grass cutting rope 3 can meet the requirement of the cutting diameter, the adjustment is convenient and fast, the operation is simple, the radial distance between the blade 4 and the nearest position of the grass cutting head 1 in the rotating process is adjustable, the adjustment range is wide, the practicability is strong, the human body is not required to repeatedly contact the blade 4, and the safety is high.
In order to realize the free rotation of the blade 4 on the protective cover 2, the protective cover 2 is provided with a knob assembly 5 for driving the blade 4 to rotate, so that the blade 4 can rotate clockwise and anticlockwise in 360 degrees in the protective cover 2, as shown in fig. 2-7, the knob assembly 5 in the implementation comprises a knob body 51 arranged outside the protective cover 2, the knob body 51 is arranged outside the protective cover 2, the protective cover 2 is operated outside, the safety is high, and the cutting diameter can be changed by rotating the knob body 51 even without stopping a grass trimmer in the grass trimming process, so that the adjustment efficiency and convenience are improved.
In order to make it more convenient and quick for a user to rotate the blade 4 to a position corresponding to a required cutting diameter, so that the cutting diameter adjustment is more efficient, convenient and accurate, cutting diameter data (not labeled in the figure) are marked on the circumference of the outer side of the knob body 51, a triangular prompt mark (not shown in the figure) is arranged on the outer surface of the protection cover 2 near the knob body 51, and in this embodiment, the cutting diameter data pointed by the triangular prompt mark is the size of the cutting diameter corresponding to the blade 4 when the knob body 51 is rotated to the position.
As shown in fig. 3, 6 and 7, a connecting rod 52 is fixedly arranged on a knob body 51, a mounting table 53 is fixedly arranged at one end of the connecting rod 52 far away from the knob body 51, a blade 4 is fixedly arranged on the mounting table 53, the knob body 51, the connecting rod 52, the mounting table 53 and the blade 4 are fixedly connected, the structure is simple, the transmission effect is good, the rotating knob body 51 drives the blade 4 to synchronously rotate, the controllability is strong,
in order to install the knob assembly 5 on the protection cover 2, the protection cover 2 is provided with a cylindrical installation shell 21 with a bottom wall, the installation shell 21 penetrates through the protection cover 2 and is integrally formed with the protection cover 2, the knob body 51 and the installation shell 21 are in clearance connection with one end far away from the bottom wall, one end far away from the knob body 51 of the connecting rod 52 penetrates out of the bottom wall, the installation table 53 is arranged on the outer side of the bottom wall, both ends of the cylinder are provided with limiting functions on the knob body 51 and the installation table 53, so that the knob assembly 5 can only rotate on the protection cover 2 and cannot slide, the radial distance between the blades 4 and the grass cutting head 1 is changed, and meanwhile, the bottom wall and the knob body 51 have guiding and positioning functions on the connecting rod 52, so that the knob assembly 5 can only rotate in a specific range and cannot deviate from a rotating track or shake.
In order to avoid moving and shaking along with the grass cutting machine in the grass cutting process, as shown in fig. 3, 5 and 6, the mounting shell 21 and the knob body 51 are in rigid collision, a mounting block 521 is arranged on the connecting rod 52 close to the knob body 51, a buffer seat 211 is arranged on the inner side of the bottom wall of the mounting shell 21, a second pressure spring 8 is arranged between the mounting shell 21 and the buffer seat 211, one end of the second pressure spring 8 is fixed on the mounting block 521, the other end of the second pressure spring 8 is abutted with the buffer seat 211, and the knob body 51 is elastic when rotating relative to the circular mounting shell 21, so that the knob body is lighter than being in rigid contact rotation.
In order to lock the blade 4 at a desired position, as shown in fig. 5 and 6, a locking device for locking and positioning the blade 4 is further provided in the protective cover 2, thereby improving the stability and safety of the blade 4, ensuring the accuracy of cutting diameter, preventing the high-speed rotation of the rope from driving the blade 4 to rotate, thereby changing the radial distance between the blade 4 and the grass cutting head 1, thereby affecting the accuracy of cutting diameter, as shown in fig. 9, the locking device comprises a groove (not shown) provided on the inner wall of the mounting shell 21 and a projection 61 provided in a clamping groove provided on the knob body 51 for locking the knob assembly 5, the adopted groove and projection 61 locking device has a simple structure, is convenient to operate and has good locking effect, in the embodiment, a horizontal sliding groove 512 is provided on the inner side of the knob body 51, a sliding block 6 is provided in the horizontal sliding groove 512, one end of the sliding block 6 protrudes out of the side wall of the knob body 51, a first pressure spring 7 is arranged between the other end of the sliding block 6 and the side wall of the groove, a bump 61 is arranged at one end of the sliding block 6 far away from the elastic connecting piece, an opening for sliding the bump 61 is arranged at the position, close to the bump 61, of the knob body 51, a clamping structure 62 is arranged at one end, close to the first pressure spring 7, of the sliding block 6, a clamping groove 513 matched with the clamping structure 62 is arranged on the knob body 51, the sliding block 6 is prevented from falling off from the sliding groove and the knob body 51 in the outward sliding process, when the knob assembly 5 needs to be rotated, one end, protruding out of the side wall of the knob body 51, of the sliding block 6 is pressed, the first pressure spring 7 is compressed, the bump 61 slides inwards along the opening, breaks away from the groove, the locking is released, the knob body 51 is rotated clockwise or anticlockwise, the blade 4 is driven to rotate, the blade 4 reaches the required position, one end, protruding out of the side wall of the knob body 51 of the sliding block 6 is released, the first pressure spring 7 automatically resets, drives the lug 61 to slide to the outer ring along the opening and is clamped into the groove, so that the knob assembly 5 is locked.
In order to compress or stretch the first compression spring 7 along the axial direction, a horizontal guide blind hole 63 is formed in the position, close to the first compression spring 7, of the sliding block 6, one end of the first compression spring 7 is placed in the horizontal guide blind hole 63, the other end of the first compression spring 7 is abutted to the side wall of the groove, so that the first compression spring 7 is compressed and stretched along the axial direction, and the first compression spring 7 is prevented from being supplied to the radial direction or popped out of the clamping groove 513 due to the extrusion effect.
In other embodiments, the locking device is not limited to this, and may be in other locking forms, as long as the locking function between the knob assembly and the mounting case can be achieved, and the locking device falls within the scope of the present invention.
While the invention has been described in terms of specific embodiments, it will be appreciated by those skilled in the art that the invention is not limited thereto but includes, but is not limited to, the drawings and the description of the specific embodiments. Any modifications which do not depart from the functional and structural principles of the invention are intended to be included within the scope of the appended claims.
Claims (3)
1. The grass cutting machine with the adjustable cutting diameter comprises a grass cutting head and a protective cover, wherein a grass cutting rope is arranged in the grass cutting head, the end part of the grass cutting rope penetrates out of the side surface of the grass cutting head;
a knob component for driving the blade to rotate is arranged on the protective cover;
the rotary knob assembly comprises a rotary knob body arranged on the outer side of the protective cover, a connecting rod is fixedly arranged on the rotary knob body, one end, far away from the rotary knob body, of the connecting rod penetrates through the protective cover, an installation table is fixedly arranged at one end, far away from the rotary knob, of the connecting rod, and the blade is fixedly arranged on the installation table;
the circumference of the outer side of the knob body is marked with cutting diameter data, a triangular prompt sign is arranged on the outer surface of the protective cover close to the knob body, and the cutting diameter data pointed by the triangular prompt sign is the cutting diameter corresponding to the blade when the knob body is rotated to the position;
the protective cover is provided with a cylindrical installation shell with a bottom wall, the installation shell penetrates through the protective cover and is integrally formed with the protective cover, the knob body is in clearance connection with one end, far away from the bottom wall, of the installation shell, one end, far away from the knob body, of the connecting rod penetrates out of the bottom wall, and the installation table is arranged on the outer side of the bottom wall;
a mounting block is arranged on the connecting rod close to the knob body, a buffer seat is arranged on the inner side of the bottom wall of the mounting shell, a second pressure spring is arranged between the mounting shell and the buffer seat, one end of the second pressure spring is fixed on the mounting block, and the other end of the second pressure spring is in butt joint with the buffer seat;
the protective cover is internally provided with a locking device for locking and positioning the blade, and the locking device comprises a groove arranged on the inner wall of the installation shell and a projection arranged on the knob body and clamped into the groove to lock the knob assembly;
the inner side of the knob body is provided with a horizontal chute, a sliding block is arranged in the horizontal chute, one end of the sliding block protrudes out of the side wall of the knob body, a first pressure spring is arranged between the other end of the sliding block and the side wall of the groove, one end, far away from the elastic connecting piece, of the sliding block is provided with a lug, and an opening for the lug to slide is formed in the position, close to the lug, of the knob body.
2. The grass cutting machine with adjustable cutting diameter according to claim 1, wherein one end of the sliding block, which is close to the first pressure spring, is provided with a clamping structure, and the knob body is provided with a clamping groove matched with the clamping structure.
3. The grass cutting machine with adjustable cutting diameter according to claim 2, wherein the slider is provided with a horizontal guiding blind hole near the first compression spring, one end of the first compression spring is arranged in the horizontal guiding blind hole, and the other end of the first compression spring is abutted with the side wall of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506798.XA CN110337888B (en) | 2019-06-12 | 2019-06-12 | Grass cutting machine with adjustable cutting diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506798.XA CN110337888B (en) | 2019-06-12 | 2019-06-12 | Grass cutting machine with adjustable cutting diameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110337888A CN110337888A (en) | 2019-10-18 |
| CN110337888B true CN110337888B (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910506798.XA Active CN110337888B (en) | 2019-06-12 | 2019-06-12 | Grass cutting machine with adjustable cutting diameter |
Country Status (1)
| Country | Link |
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| CN (1) | CN110337888B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116267180B (en) * | 2023-05-12 | 2023-08-01 | 山西省林业和草原局核算中心 | Forestry weeding device |
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| CN201119296Y (en) * | 2007-07-23 | 2008-09-24 | 江苏鑫港企业有限公司 | Replaceable grass-mowing head with fixed rope length of rope type grass-mowing machine |
| CN201123242Y (en) * | 2007-07-27 | 2008-10-01 | 江苏鑫港企业有限公司 | Replaceable grass-mowing head with fixed rope length of rope type grass-mowing machine |
| DE102015210483A1 (en) * | 2014-08-14 | 2016-02-18 | Robert Bosch Gmbh | Thread cutter device |
| CN106465603A (en) * | 2015-08-18 | 2017-03-01 | 苏州宝时得电动工具有限公司 | Cutting element and the grass-mowing machine assembling this cutting element |
| WO2017143994A1 (en) * | 2016-02-23 | 2017-08-31 | 苏州宝时得电动工具有限公司 | String trimmer |
| CN205694280U (en) * | 2016-03-30 | 2016-11-23 | 台州久泰园林机械有限公司 | A kind of power-operated mower |
| CN208079806U (en) * | 2018-02-08 | 2018-11-13 | 武义欣澜工具有限公司 | A kind of mowing component of grass-mowing machine |
| CN210868767U (en) * | 2019-06-12 | 2020-06-30 | 浙江亚特电器有限公司 | Grass trimmer with adjustable cutting diameter |
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| CN110337888A (en) | 2019-10-18 |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |
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