CN109832003A - Grass trimmer - Google Patents
Grass trimmer Download PDFInfo
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- CN109832003A CN109832003A CN201810349498.0A CN201810349498A CN109832003A CN 109832003 A CN109832003 A CN 109832003A CN 201810349498 A CN201810349498 A CN 201810349498A CN 109832003 A CN109832003 A CN 109832003A
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- interconnecting piece
- roof
- side wall
- sidewall
- spiral case
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- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 87
- 238000005520 cutting process Methods 0.000 claims abstract description 52
- 239000010902 straw Substances 0.000 claims abstract description 21
- 241000237858 Gastropoda Species 0.000 claims description 54
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000604017 Lysimachia sikokiana Species 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The present invention relates to grass trimmers.The grass trimmer includes the closure member for closing straw outlet.Closure member closes straw outlet by the closure that the first side wall interconnecting piece, second sidewall interconnecting piece, the first roof interconnecting piece and the second roof interconnecting piece are formed.Second sidewall interconnecting piece extends on respective extension direction respectively with the first side wall interconnecting piece, shares end to gradually draw close and finally be interconnected to form one.Width due to sharing the surface at end is less than or equal to 3.5mm, so that share end forms narrow boundary between the first side wall interconnecting piece and second sidewall interconnecting piece.Therefore, broken grass is easy to separate from shared end, to be not easy to be deposited between the first side wall interconnecting piece and second sidewall interconnecting piece, is conducive to shed uniformity in cutting process medium-height grass in grass trimmer.
Description
Technical field
The present invention relates to garden appliance technical fields, more particularly to grass trimmer.
Background technique
Mowing apparatus of the grass trimmer as mechanization is widely used in and repairs to the grass in the place such as lawn, hedge, garden
It cuts.Grass trimmer generally includes two kinds of operating modes, respectively broken careless mode and the careless mode of receipts.There is cutting in the shell of grass trimmer
Blade, offers straw outlet on shell, and straw outlet connect with careless container is received, and hence into receiving grass mode, the grass of cutting can be with
Enter the careless container of receipts by straw outlet.When using broken careless mode, straw outlet is closed by using closure member, that is, may make by
The grass of cutting is discharged to ground from shell.The structure of the closure member of traditional grass trimmer make during mowing it is broken grass easily accumulation,
It sheds uneven.
Summary of the invention
Based on this, it is necessary to make broken grass easily accumulation during mowing for the structure of the closure member of traditional grass trimmer
The problem of, a kind of improved grass trimmer is provided.
A kind of grass trimmer, comprising:
First spiral case, including the first roof and the first side wall, the first side wall to first roof extend downwardly, institute
It states the first roof and the first side wall surrounds the first snail chamber；
Second spiral case is fixedly connected with first spiral case, and second spiral case includes the second roof and second sidewall, institute
It states second sidewall to second roof to extend downwardly, second roof and the second sidewall surround the second snail chamber, described
First snail chamber and the second snail chamber are interconnected, and the junction of second spiral case and first spiral case offers Lysimachia sikokiana
Mouthful；
First cutting element, is set to that first snail is intracavitary, and the first side wall is cut at least partially surrounding described first
Cut element；
Second cutting element, is set to that second snail is intracavitary, and the second sidewall is cut at least partially surrounding described second
Cut element；And
Closure member, for closing the straw outlet, the closure member includes closure, and the closure includes:
The first side wall interconnecting piece is configured to match with the first side wall, and the first side wall interconnecting piece exists
Partially circumferentially upper closing the first snail chamber；
Second sidewall interconnecting piece is configured to match with the second sidewall, and the second sidewall interconnecting piece exists
Partially circumferentially upper closing the second snail chamber；
First roof interconnecting piece is configured to match with first roof, and the first roof interconnecting piece is suitable
In the top for closing the first snail chamber, the first roof interconnecting piece is fixedly connected with the first side wall interconnecting piece；And
Second roof interconnecting piece is configured to match with second roof, and the second roof interconnecting piece is suitable
In the top for closing the second snail chamber, the second roof interconnecting piece is fixedly connected with the second sidewall interconnecting piece；
Wherein, the second sidewall interconnecting piece is gradually drawn close on its circumferential extension direction with the first side wall interconnecting piece
And finally it is interconnected to form one and shares end, wherein the width on the surface at the shared end is less than or equal to 3.5mm.
In above-mentioned technical proposal, the closure member of grass trimmer passes through the first side wall interconnecting piece, second sidewall interconnecting piece, the first top
The closure that wall interconnecting piece and the second roof interconnecting piece are formed closes straw outlet.Second sidewall interconnecting piece and the first side wall interconnecting piece
Extend on respective extension direction respectively, shares end to gradually draw close and finally be interconnected to form one.Due to sharing
The width on the surface at end is less than or equal to 3.5mm, to share end shape between the first side wall interconnecting piece and second sidewall interconnecting piece
At narrow boundary.Therefore, broken grass is easy to separate from shared end, to be not easy to be deposited in the first side wall interconnecting piece and second side
Between wall interconnecting piece, be conducive to shed uniformity in cutting process medium-height grass in grass trimmer.
One is formed at the first side wall and the interconnection of the second sidewall in one of the embodiments, to be combined
Portion, when the closure member closes the straw outlet, the lower extreme point of the engaging portion is between the lower extreme point at the shared end
Distance is first distance, and the length of the projection of the shared end in the horizontal plane and the ratio range of the first distance are 0.5
~0.7.
The inner surface of the first side wall interconnecting piece and the second sidewall interconnecting piece is interior in one of the embodiments,
The range for the angle that surface is formed at the shared end is 30 °~90 °.
The angle ranges preferably from 50 °~70 ° in one of the embodiments,.
The closure member further includes the first limit assembly in one of the embodiments, first limit assembly and institute
It states closure to be fixedly connected, first limit assembly is used to limit the closure in the radial direction of first spiral case and described
The radial motion of second spiral case.
The closure member further includes the second limit assembly in one of the embodiments, second limit assembly and institute
It states closure to be fixedly connected, second limit assembly is used to limit the closure in the axial direction of first spiral case and described
The axial movement of second spiral case.
The closure member further includes hand-held part in one of the embodiments, and the hand-held part setting is in second limit
On hyte part, the hand-held part is for holding the closure member.
The first side wall interconnecting piece and the first side wall are tightly connected in one of the embodiments,；Described first
Roof interconnecting piece and first roof are tightly connected；The first roof interconnecting piece and the first side wall interconnecting piece sealing connect
It connects；The second sidewall interconnecting piece and the second sidewall are tightly connected；The second roof interconnecting piece and second roof
It is tightly connected；The second roof interconnecting piece and the second sidewall interconnecting piece are tightly connected.
The first side wall interconnecting piece, the second sidewall interconnecting piece, first roof in one of the embodiments,
Interconnecting piece and the second roof interconnecting piece are integrally formed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the grass trimmer of an embodiment；
Fig. 2 is the structural schematic diagram of closure member shown in Fig. 1；
Fig. 3 is the schematic diagram of closure shown in Fig. 1；
Fig. 4 is bottom view when closure member shown in FIG. 1 is not installed on grass trimmer shown in FIG. 1；
Fig. 5 is the structural schematic diagram of the first side wall interconnecting piece shown in Fig. 1；
Fig. 6 is the structural schematic diagram of second sidewall interconnecting piece shown in Fig. 1；
Fig. 7 is the schematic diagram at the shared end of the first side wall interconnecting piece shown in Fig. 1 and second sidewall interconnecting piece；
Fig. 8 is the schematic diagram of the southwestward of closure member shown in Fig. 2；
Fig. 9 is the schematic diagram of the southeastern direction of closure member shown in Fig. 2.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
Incorporated by reference to Fig. 1 and Fig. 4, the grass trimmer 100 of an embodiment is cut including the first spiral case 110, the second spiral case 120, first
Cut element 130, the second cutting element 140 and closure member 150.First spiral case 110 and the second spiral case 120 are along grass trimmer 100
Width direction is arranged side by side.
First spiral case 110 includes the first roof 111 and the first side wall 112.112 to the first roof 111 of the first side wall is downwards
Extend, so that the first roof 111 surrounds the first snail chamber 101 with the first side wall 112.First cutting element 130 is set to the first snail
In chamber 101.And the first side wall 112 is at least partially surrounding the first cutting element 130.
Specifically, as shown in Figure 1 and Figure 4, the edge of the first roof 111 is generally elliptical.The first side wall 112 from first
The edge of roof 111 extends downwardly.To which the first side wall 112 and the first roof 111 surround the first snail chamber 101.First snail chamber 101
It is opening down.That is, when grass trimmer 100 is rest on the ground, the opening of the first snail chamber 101 is towards ground.First roof
111 edge can also be other shapes.First cutting element 130 can be cutting blade, and as shown in Figure 1 and Figure 4, first cuts
Element 130 is cut to be located in the first snail chamber 101.First cutting element 130 can be connect by transmission shaft with the first roof 111, be passed
Moving axis drives the first cutting element 130 to rotate in the first snail chamber 101, to mow.First cutting element 130 is in the first snail chamber
When rotation is mowed in 101, the first side wall 112 is at least partially surrounding the first cutting element 130.
Second spiral case 120 includes the second roof 121 and second sidewall 122.122 to the second roof 121 of second sidewall is downwards
Extend, so that the second roof 121 surrounds the second snail chamber 102 with second sidewall 122.Second cutting element 140 is set to the second snail
In chamber 102.And second sidewall 122 is at least partially surrounding the second cutting element 140.
Specifically, as shown in Figure 1 and Figure 4, the edge of the second roof 121 is generally elliptical.Second sidewall 122 from second
The edge of roof 121 extends downwardly.To which second sidewall 122 and the second roof 121 surround the second snail chamber 102.Second snail chamber 102
It is opening down.That is, when grass trimmer 100 is rest on the ground, the opening of the second snail chamber 102 is towards ground.Second roof
121 edge can also be other shapes.Second cutting element 140 can be cutting blade, and as shown in Figure 1 and Figure 4, second cuts
Element 140 is cut to be located in the second snail chamber 102.Second cutting element 140 can be connect by transmission shaft with the second roof 121, be passed
Moving axis drives the second cutting element 140 to rotate in the second snail chamber 102, to mow.Second cutting element 140 is in the second snail chamber
When rotation is mowed in 102, second sidewall 122 is at least partially surrounding the second cutting element 140.
As shown in Figure 1 and Figure 4, the second spiral case 120 is fixedly connected with the first spiral case 110.Specifically, the second spiral case 120 with
First spiral case 110 can be integrally formed.And the first snail chamber 101 and the second snail chamber 102 are interconnected.Second spiral case 120 and
The junction of one spiral case 110 offers straw outlet 103.
Incorporated by reference to Fig. 1 to Fig. 4, closure member 150 is for closing straw outlet 103.Closure member 150 includes closure.Closure
Including the first side wall interconnecting piece 151, second sidewall interconnecting piece 152, the first roof interconnecting piece 153 and the second roof interconnecting piece
154。
When closure member 150 is mounted on grass trimmer 100, the first side wall interconnecting piece 151 prolongs along the circumferential direction of the first spiral case 110
It stretches, so that the first side wall interconnecting piece 151 can be matched with the first side wall 112.And the first side wall interconnecting piece 151 is in part week
The first snail chamber 101 of closing upwards.
Second sidewall interconnecting piece 152 along the second spiral case 120 circumferentially extending, so that second sidewall interconnecting piece 152 can be with
Second sidewall 122 matches.And second sidewall interconnecting piece 152 closes the second snail chamber 102 partially circumferentially upper.
First roof interconnecting piece 153 is configured to match with the first roof 111, thus the first roof interconnecting piece
153 can close the top of the first snail chamber 101.
Second roof interconnecting piece 154 is configured to match with the second roof 121, thus the second roof interconnecting piece
154 can close the top of the second snail chamber 102.
Second sidewall interconnecting piece 152 gradually leans on respective circumferential extension direction with the first side wall interconnecting piece 151
Hold together and be finally interconnected to form one and shares end 104.Therefore, the first side wall interconnecting piece 151 and the sealing of second sidewall interconnecting piece connect
It connects.First roof interconnecting piece 153 is fixedly connected with the first side wall interconnecting piece 151.Second roof interconnecting piece 154 connects with second sidewall
Socket part 152 is fixedly connected.
Since the first side wall interconnecting piece 151 and second sidewall interconnecting piece 152 are tightly connected, the first side wall interconnecting piece 151 exists
Partially circumferentially upper to close the first snail chamber 101, second sidewall interconnecting piece 152 closes the second snail chamber 102, the first top partially circumferentially upper
Wall interconnecting piece 153 closes the top of the first snail chamber 101, and the second roof interconnecting piece 154 closes the top of the second snail chamber 102, thus
The first side wall interconnecting piece 151,154 shape of second sidewall interconnecting piece 152, the first roof interconnecting piece 153 and the second roof interconnecting piece
At boundary corresponding with straw outlet 103 is adapted respectively each end of closure member 150 so that closing straw outlet 103.This
When, grass trimmer 100 is in broken careless mode.
Incorporated by reference to Fig. 1 to Fig. 4, specifically, second sidewall interconnecting piece 152 extends in the circumferential direction of the second spiral case 120, and first
Side wall interconnecting piece 151 extends in the circumferential direction of the first spiral case 110.Second sidewall interconnecting piece 152 divides with the first side wall interconnecting piece 151
Do not extend on respective extension direction, shares end 104 to gradually draw close and finally be interconnected to form one.Due to sharing
The width on the surface at end 104 is less than or equal to 3.5mm, and compared to the length on the surface at shared end 104, the width for sharing end 104 is non-
It is often narrow, so that share end 104 forms narrow boundary, shape between the first side wall interconnecting piece 151 and second sidewall interconnecting piece 152
At horn structure shown in Fig. 1 and Fig. 3.Therefore, broken grass is easy to separate from shared end 104, to be not easy to be deposited in first
Between side wall interconnecting piece 151 and second sidewall interconnecting piece 152, be conducive to the shedding in cutting process medium-height grass in grass trimmer 100
Even property.Specifically, the width for sharing the surface at end 104 can be 1mm, 1.5mm, 2mm, 3mm or 3.5mm etc..
The closure member 150 of above-mentioned grass trimmer 100 passes through the first side wall interconnecting piece 151, second sidewall interconnecting piece 152, first
The closure that roof interconnecting piece 153 and the second roof interconnecting piece 154 are formed closes straw outlet 103.Second sidewall interconnecting piece 152 with
The first side wall interconnecting piece 151 extends on respective extension direction respectively, to gradually draw close and finally be interconnected to form
One shares end 104.Width due to sharing the surface at end 104 is less than or equal to 3.5mm, connects to share end 104 in the first side wall
Narrow boundary is formed between socket part 151 and second sidewall interconnecting piece 152.Therefore, broken grass is easy to separate from shared end 104,
To be not easy to be deposited between the first side wall interconnecting piece 151 and second sidewall interconnecting piece 152, be conducive to cutting in grass trimmer 100
That cuts process medium-height grass sheds uniformity.
Further, an engaging portion 105 is formed at the interconnection of the first side wall 112 and second sidewall 122.
Specifically, as shown in Figure 1 and Figure 4, circumferentially extending of the first side wall 112 along the first spiral case 110, second sidewall 122
Along the circumferentially extending of the second spiral case 120, so that the first side wall 112 and second sidewall 122 cross and form an engaging portion 105.By
It is that the first side wall 112 and second sidewall 122 cross and formed in engaging portion 105, the first side wall 112 and second sidewall 122 are downward
Extend, therefore, engaging portion 105 extends downwardly.
Incorporated by reference to Fig. 1 to Fig. 4, when closure member 150 closes straw outlet 103, the lower extreme point of engaging portion 105 to shared end
The distance between 104 lower extreme point is first distance L2, shares the length L1 and first distance of the projection of end 104 in the horizontal plane
The ratio range of L2 is 0.5~0.7.
Specifically, as shown in Figure 1 and Figure 4, the top of the connectivity part of the first snail chamber 101 and the second snail chamber 102, the first roof
111 are fixedly connected with the second roof 121, so that the lower section in the junction of the first roof 111 and the second roof 121 forms opening
Space 106.
After the structure determination of closure member 150, so that it may determine the value of L1.Specifically, according to the definition of L1 and L2 and
In conjunction with FIG. 1 to FIG. 4 it is found that L1 has reacted the open space of the connectivity part of the first snail chamber 101 and the second snail chamber 102 with the ratio of L2
106 size.
The ratio of L1 and L2 is bigger, illustrates that open space 106 is smaller, and the ratio of L1 and L2 are smaller, illustrate open space 106
It is bigger.
Since open space 106 is in the connectivity part of the first snail chamber 101 and the second snail chamber 102, if open space 106 is excessive,
Then the cutting steam in the first snail chamber 101 interferes with each other larger with the cutting steam in the second snail chamber 102, and more broken grass can heap
Product will affect the air-flow gradation of broken grass cutting on ground.If open space 106 is too small, the cutting of the first cutting element 130
Region and the lap of the cutting region of the second cutting element 140 become smaller, and are easy to cause the first spiral case 110 and the second spiral case
Grass below 120 junction is cut by leakage.
The range of the ratio of the L1 and L2 of the present embodiment is 0.5~0.7, and open space 106 is of moderate size, then first cuts
The lap for cutting the cutting region and the cutting region of the second cutting element 140 of element 130 is of moderate size, and avoids the first spiral case
110 and second spiral case 120 junction below grass cut by leakage.In cutting steam and the second spiral case 120 in first spiral case 110
Cutting steam interfere small, be conducive to the broken smooth operation of grass, have that improves broken grass to shed that uniformity, to reduce broken grass stifled
Plug improves the technical effect of broken carelessness.Optionally, the value of L1/L2 can be 0.5,0.6 or 0.7.
Specifically, incorporated by reference to Fig. 2, Fig. 3 and Fig. 5~Fig. 7, the inner surface and second sidewall of the first side wall interconnecting piece 151
The inner surface of interconnecting piece 152 forms angle sharing at end 104, to share end 104, the first side wall interconnecting piece 151 and the
Two side wall interconnecting pieces 152 form horn structure shown in Fig. 3.
Specifically, the inner surface 151a of the first side wall interconnecting piece 151 and the inner surface 152a of second sidewall interconnecting piece 152 exist
It shares the angle formed at end 104 and has reacted 152 shape of shared end 104, the first side wall interconnecting piece 151 and second sidewall interconnecting piece
At horn structure acuity.When the inner surface of the first side wall interconnecting piece 151 and the inner surface of second sidewall interconnecting piece 152
When the range for sharing the angle formed at end 104 is 30 °~90 °, end 104, the first side wall interconnecting piece 151 and second are shared
The acuity for the horn structure that side wall interconnecting piece 152 is formed is moderate, and can preferably broken grass be separated by sharing end 104, so that
Broken grass is not easy to be deposited in the intersection of the first side wall interconnecting piece 151 and second sidewall interconnecting piece 152, is conducive to shed uniformity.
Preferably, the inner surface 152a of the inner surface 151a of the first side wall interconnecting piece 151 and second sidewall interconnecting piece 152 is sharing end
The range of the angle formed at 104 is 50 °~70 °.
Further, incorporated by reference to Fig. 1, Fig. 8 and Fig. 9, grass trimmer 100 further includes the first limit assembly 160.First limit
Component 160 is fixedly connected with closure.First limit assembly 160 can be connect by mounting portion 170 with closure.Mounting portion
170 include mounting portion ontology and the multiple mounting walls being fixedly connected with mounting portion ontology.First limit assembly 160 and mounting portion sheet
Body is fixedly connected.Multiple mounting walls are fixedly connected with closure.First limit assembly 160 is for limiting closure in the first spiral case
The radial motion of 110 radial direction and the second spiral case 120.
Specifically, the first auxiliary section matched with the first limit assembly 160 is provided on grass trimmer 100, thus first
Limit assembly 160 can be matched with the first auxiliary section, so that the first limit assembly 160 is in the radial direction of the first spiral case 110 and
Two spiral cases 120 cannot radially move.Since the first limit assembly 160 is fixedly connected with closure, so that closure is
The radial direction of one spiral case 110 and the second spiral case 120 cannot radially move.
Illustratively, the first limit assembly 160 can be limit rib group.The limit rib group includes the first limit rib 161, the
Two limit ribs 162, third limit rib 163 and the 4th limit rib 164.Multiple first auxiliary sections are provided on grass trimmer 100.Point
Not with the first limit rib 161, the second limit rib 162, third limit rib 163 and the 4th limit rib 164 respectively with corresponding
One auxiliary section matches.First limit rib 161, the second limit rib 162 can be set in the side of mounting portion 170, third limit
Muscle 163 and the 4th limit rib 164 can be set in the other side of mounting portion 170, thus the first limit rib 161, the second limit rib
162, third limit rib 163 and the 4th limit rib 164 be located at the first spiral case 110 radially with the second spiral case 120
Different location radially.First limit rib 161, the second limit rib 162, third limit rib 163 and the 4th limit rib 164 divide
Corresponding first auxiliary section is not abutted, so that the first limit rib 161, the second limit rib 162, third limit rib 163 and the 4th
Limit rib 164 cannot be moved in the radial direction of the first spiral case 110 and the radial direction of the second spiral case 120, be conducive to that closure member is accurately positioned
150, so that closure member 150 can reliably close straw outlet 103.
Specifically, divide with the first limit rib 161, the second limit rib 162, third limit rib 163 and the 4th limit rib 164
Not corresponding auxiliary section can be baffle, groove etc..
Fig. 2, Fig. 8 and Fig. 9 are please referred to, further, grass trimmer 100 further includes the second limit assembly 180.Second limit group
Part 180 is fixedly connected with closure.Second limit assembly 180 can be connected and being fixedly connected with mounting portion 170 with closure
It connects.Specifically, the second limit assembly 180 can be position-stopping plate.It is provided on grass trimmer 100 and matches with the second limit assembly 180
The second auxiliary section closed.When closure member 150 close straw outlet 103 when, the second auxiliary section can the second limit assembly of backstop 180,
So that the second limit assembly 180 cannot be moved upwards in the axis of the first spiral case 110 and the second spiral case 120, it is accurate to be conducive to
Closure member 150 is positioned, so that closure member 150 can reliably close straw outlet 103.
Further, grass trimmer 100 further includes hand-held part.Referring to FIG. 2, hand-held part is arranged in the second limit assembly 180
On, hand-held part is for holding closure member 150.Hand-held part can be the structures such as cyclic structure or pull rod shape, convenient hand-held closure member
150.Illustratively, as shown in Figure 1, offering through-hole 181 on the second limit assembly 180, hand-held part can be the side of through-hole 181
Edge can grasp the edge of through-hole 181 and handle closure member 150, have convenient for the technical effect of hand-held closure member 100.
Further, incorporated by reference to Fig. 1 and Fig. 3, the height of the first roof interconnecting piece 153 along the first counter clockwise direction X1 gradually
It gets higher, the height of the second roof interconnecting piece 154 is gradually got higher along the first clockwise direction X2.
Specifically, the direction rotated counterclockwise when the first counter clockwise direction X1 refers to from the point of view of the bottom view of grass trimmer 100,
The direction that first clockwise direction X2 is rotated clockwise when referring to from the point of view of the bottom view of grass trimmer 100 is anticipated as shown in Figure 3.
When grass trimmer 100 is mowed on the ground, the height of the first roof interconnecting piece 153 along the first counter clockwise direction X1 by
Gradual change is high, and the height of the second roof interconnecting piece 154 is gradually got higher along the first clockwise direction X2.
Along the first counter clockwise direction X1, height of first roof 111 apart from ground is gradually got higher.First roof 111 is spiral shell
Screw on the structure risen.Therefore, the height of the first roof interconnecting piece 153 is gradually got higher along the first counter clockwise direction X1, so that
When first roof interconnecting piece 153 is adapted with the first roof 111, the first roof interconnecting piece 153 and the round and smooth mistake of the first roof 111
It crosses.
Along the first clockwise direction X2, height of second roof 121 apart from ground is gradually got higher.Second roof 121 is spiral shell
Screw on the structure risen.Therefore, the height of the second roof interconnecting piece 154 is gradually got higher along the first clockwise direction X2, so that
When second roof interconnecting piece 154 is adapted with the second roof 121, the second roof interconnecting piece 154 and the round and smooth mistake of the second roof 121
It crosses.
Further, circumferentially arcuate extension of the first side wall interconnecting piece 151 along the first spiral case 110, second sidewall interconnecting piece
152 along the second spiral case 120 circumferentially arcuate extension.
In the present embodiment, since the edge of the first roof 111 is generally elliptical, by the first side wall interconnecting piece
151 along the first spiral case 110 circumferentially arcuate extension so that the first side wall interconnecting piece 151 and the round and smooth mistake of the first side wall 112
It crosses.As shown in fig. 1, the first side wall interconnecting piece 151 and the first side wall 112, which are formed, continuously arcuately encloses the wall set, to make
The cross section for obtaining the first side wall 112 and the first side wall interconnecting piece 151 surrounds part-elliptical.
Since the edge of the second roof 111 is generally elliptical, by second sidewall interconnecting piece 152 along the second spiral case
120 circumferentially arcuate extension, so that second sidewall interconnecting piece 152 and 122 rounding off of second sidewall.As shown in Figure 4,
Second sidewall interconnecting piece 152 and second sidewall 122, which are formed, continuously arcuately encloses the wall set, so that 122 He of second sidewall
The cross section of second sidewall interconnecting piece 152 surrounds part-elliptical.
Due to 130 circumgyration incision of the first cutting element, rotary power will drive the rotation of grass, the first side wall interconnecting piece 151
It is formed with the first side wall 112 and continuously arcuately encloses the wall set, be conducive to air-flow when the first cutting element 130 causes grass to rotate
Gradation, to advantageously reduce the accumulation situation of grass, improve broken careless and shed uniformity.Similarly, the second cutting element 140
Circumgyration incision, rotary power will drive the rotation of grass, and second sidewall interconnecting piece 152 and second sidewall 122 are formed continuously along arc
Shape encloses the wall set, is conducive to air-flow gradation when the second cutting element 140 causes grass to rotate, to advantageously reduce the heap of grass
Product situation improves broken careless and sheds uniformity.
Further, the first side wall interconnecting piece 110 and the first roof interconnecting piece 130 can be obtained by spline-fit method
It is formed again after the shape on surface, the advantages of due to spline-fit method, enables to the first side wall interconnecting piece 110 and first
At side wall 112 seamless connection, rounding off, and can make the first roof interconnecting piece 130 and the first roof 111 seamless connection,
Rounding off.To be conducive to air-flow gradation when cutting blade causes grass to rotate, and then advantageously reduce the accumulation feelings of grass
Condition improves broken careless and sheds uniformity.
The shape on the surface of second sidewall interconnecting piece 120 and the second roof interconnecting piece 140 can be obtained by spline-fit method
It is formed again after shape, the advantages of due to spline-fit method, enables to second sidewall interconnecting piece 120 and second sidewall 122
Place's seamless connection, rounding off, and the seamless connection of the second roof interconnecting piece 140 and the second roof 121, round and smooth mistake can be made
It crosses.To be conducive to air-flow gradation when cutting blade causes grass to rotate, to advantageously reduce the accumulation situation of grass, improve
It is broken careless and shed uniformity.
Further, the first side wall interconnecting piece 151 and the first side wall 112 are tightly connected.First roof interconnecting piece 153 and
One roof 111 is tightly connected.First roof interconnecting piece 153 is tightly connected with the first side wall interconnecting piece 151.Second sidewall interconnecting piece
152 are tightly connected with second sidewall 122.Second roof interconnecting piece 154 and the second roof 121 are tightly connected.The connection of second roof
Portion 154 and second sidewall interconnecting piece 152 are tightly connected.
Since the first side wall interconnecting piece 151 and the first side wall 112 are tightly connected, air-flow and grass can be prevented from the first side wall
The junction of interconnecting piece 151 and the first side wall 112 passes through, to be conducive to air-flow gradation, can reduce the accumulation feelings of broken grass
Condition improves broken careless and sheds uniformity.Similarly, second sidewall interconnecting piece 152 and second sidewall 122 are tightly connected, Neng Goufang
Only air-flow and grass pass through from the junction of second sidewall interconnecting piece 152 and second sidewall 122, thus be conducive to air-flow gradation,
To reducing the accumulation situation of grass, improving broken careless and shedding uniformity.
Since the first roof interconnecting piece 153 and the first side wall interconnecting piece 151 are tightly connected, air-flow and grass can be prevented from the
Pass through between one side wall interconnecting piece 151 and the first roof interconnecting piece 153, to be conducive to air-flow gradation, can reduce broken grass
Accumulation situation, improve broken careless and shed uniformity.Similarly, due to the second roof interconnecting piece 154 and second sidewall interconnecting piece
152 are tightly connected, and can prevent air-flow and grass from passing through between the second roof interconnecting piece 154 and second sidewall interconnecting piece 152, from
And be conducive to air-flow gradation, it can reduce the accumulation situation of broken grass, improve broken careless and shed uniformity.Wherein, the first top
Wall interconnecting piece 153 and the first side wall interconnecting piece 151 can also be tightly connected by modes such as welding.Second roof interconnecting piece 154
It can also be tightly connected by modes such as welding with second sidewall interconnecting piece 152.
Further, the first side wall interconnecting piece 151, second sidewall interconnecting piece 152, the first roof interconnecting piece 153 and
Two roof interconnecting pieces 154 are integrally formed.
Specifically, the first side wall interconnecting piece 151, second sidewall interconnecting piece 152, the first roof interconnecting piece 153 and second
Roof interconnecting piece 154 can be integrally formed by the methods of casting, pouring.The first side wall interconnecting piece 151, second sidewall interconnecting piece
152, the first roof interconnecting piece 153 and the second roof interconnecting piece 154 are integrally formed, so that grass trimmer 100 is caused when cutting
Air-flow cannot connect from the first side wall interconnecting piece 151, second sidewall interconnecting piece 152, the first roof interconnecting piece 153 and the second roof
Pass through between two interconnecting pieces of the arbitrary neighborhood in socket part 154, so that the first side wall interconnecting piece 151, second sidewall connect
The closure good airproof performance that socket part 152, the first roof interconnecting piece 153 and the second roof interconnecting piece 154 are formed, so that cutting
Air-flow gradation of the cutting blade in circumgyration incision is good, so that reducing the accumulation situation of grass, improving broken careless and shed uniformity.
Also, the first side wall interconnecting piece 151, second sidewall interconnecting piece 152, the first roof interconnecting piece 153 and the second roof interconnecting piece
154 are integrally formed, so that the first side wall interconnecting piece 151, second sidewall interconnecting piece 152, the first roof interconnecting piece 153 and second
Processing technology simplicity, the stable structure of roof interconnecting piece 154.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of grass trimmer characterized by comprising
First spiral case, including the first roof and the first side wall, the first side wall to first roof extend downwardly, and described
One roof and the first side wall surround the first snail chamber；
Second spiral case is fixedly connected with first spiral case, and second spiral case includes the second roof and second sidewall, and described the
Two side walls to second roof extends downwardly, and second roof and the second sidewall surround the second snail chamber, and described first
Snail chamber and the second snail chamber are interconnected, and the junction of second spiral case and first spiral case offers straw outlet；
First cutting element, it is intracavitary to be set to first snail, and the first side wall is at least partially surrounding the first cutting member
Part；
Second cutting element, it is intracavitary to be set to second snail, and the second sidewall is at least partially surrounding the second cutting member
Part；And
Closure member, for closing the straw outlet, the closure member includes closure, and the closure includes:
The first side wall interconnecting piece is configured to match with the first side wall, and the first side wall interconnecting piece is in part
The first snail chamber is closed in circumferential direction；
Second sidewall interconnecting piece is configured to match with the second sidewall, and the second sidewall interconnecting piece is in part
The second snail chamber is closed in circumferential direction；
First roof interconnecting piece is configured to match with first roof, and the first roof interconnecting piece is suitable for envelope
The top of the first snail chamber is closed, the first roof interconnecting piece is fixedly connected with the first side wall interconnecting piece；And
Second roof interconnecting piece is configured to match with second roof, and the second roof interconnecting piece is suitable for envelope
The top of the second snail chamber is closed, the second roof interconnecting piece is fixedly connected with the second sidewall interconnecting piece；
Wherein, the second sidewall interconnecting piece and the first side wall interconnecting piece are gradually drawn close and most on its circumferential extension direction
It is interconnected to form one eventually and shares end, wherein the width on the surface at the shared end is less than or equal to 3.5mm.
2. grass trimmer according to claim 1, which is characterized in that the mutually interconnection of the first side wall and the second sidewall
It meets place and forms an engaging portion, when the closure member closes the straw outlet, the lower extreme point of the engaging portion to the shared end
The distance between lower extreme point be first distance, the length of the projection of the shared end in the horizontal plane and the first distance
Ratio range is 0.5~0.7.
3. grass trimmer according to claim 1, which is characterized in that the inner surface of the first side wall interconnecting piece and described the
The range for the angle that the inner surface of two side wall interconnecting pieces is formed at the shared end is 30 °~90 °.
4. grass trimmer according to claim 3, which is characterized in that the angle ranges preferably from 50 °~70 °.
5. grass trimmer according to claim 1, which is characterized in that the closure member further includes the first limit assembly, described
First limit assembly is fixedly connected with the closure, and first limit assembly is for limiting the closure described first
The radial motion of the radial direction of spiral case and second spiral case.
6. grass trimmer according to claim 1, which is characterized in that the closure member further includes the second limit assembly, described
Second limit assembly is fixedly connected with the closure, and second limit assembly is for limiting the closure described first
The axial movement of the axial direction of spiral case and second spiral case.
7. grass trimmer according to claim 6, which is characterized in that the closure member further includes hand-held part, the hand-held part
It is arranged on second limit assembly, the hand-held part is for holding the closure member.
8. grass trimmer according to claim 1, which is characterized in that the first side wall interconnecting piece and the first side wall are close
Envelope connection；The first roof interconnecting piece and first roof are tightly connected；The first roof interconnecting piece and described first
Side wall interconnecting piece is tightly connected；The second sidewall interconnecting piece and the second sidewall are tightly connected；The second roof connection
Portion and second roof are tightly connected；The second roof interconnecting piece and the second sidewall interconnecting piece are tightly connected.
9. grass trimmer according to claim 1, which is characterized in that the first side wall interconnecting piece, the second sidewall connect
Socket part, the first roof interconnecting piece and the second roof interconnecting piece are integrally formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194376 | 2017-11-24 | ||
| CN2017111943760 | 2017-11-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109832003A true CN109832003A (en) | 2019-06-04 |
| CN109832003B CN109832003B (en) | 2024-06-14 |
Family
ID=64636907
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820555989.6U Active CN208639004U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201810348876.3A Pending CN109832004A (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201820555533.XU Active CN208639010U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201810348050.7A Active CN109832006B (en) | 2017-11-24 | 2018-04-18 | Mower |
| CN201820553150.9U Active CN208285836U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201820555600.8U Active CN209170911U (en) | 2017-11-24 | 2018-04-18 | Double end grass trimmer and its transmission device, grass-mowing |
| CN201820552427.6U Active CN208639003U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201810350167.9A Pending CN109832005A (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201820555877.0U Withdrawn - After Issue CN208242236U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201810349498.0A Active CN109832003B (en) | 2017-11-24 | 2018-04-18 | Mower |
Family Applications Before (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820555989.6U Active CN208639004U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201810348876.3A Pending CN109832004A (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201820555533.XU Active CN208639010U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201810348050.7A Active CN109832006B (en) | 2017-11-24 | 2018-04-18 | Mower |
| CN201820553150.9U Active CN208285836U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201820555600.8U Active CN209170911U (en) | 2017-11-24 | 2018-04-18 | Double end grass trimmer and its transmission device, grass-mowing |
| CN201820552427.6U Active CN208639003U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201810350167.9A Pending CN109832005A (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
| CN201820555877.0U Withdrawn - After Issue CN208242236U (en) | 2017-11-24 | 2018-04-18 | Grass trimmer |
Country Status (1)
| Country | Link |
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| CN (10) | CN208639004U (en) |
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| CN208639004U (en) * | 2017-11-24 | 2019-03-26 | 苏州宝时得电动工具有限公司 | Grass trimmer |
| CN109634285B (en) * | 2019-01-14 | 2022-03-11 | 傲基科技股份有限公司 | Mowing robot and control method thereof |
| CN112772117A (en) * | 2019-11-07 | 2021-05-11 | 苏州宝时得电动工具有限公司 | Intelligent mower |
| CN111727821A (en) * | 2020-06-09 | 2020-10-02 | 浙江亚特电器有限公司 | Grass raker |
| CN112655355B (en) * | 2021-01-07 | 2024-04-26 | 绍兴市上虞冠业电器有限公司 | Mower |
| EP4284151A1 (en) * | 2021-01-26 | 2023-12-06 | Globe (Jiangsu) Co., Ltd. | Lawn mower |
| CN114902861A (en) * | 2021-02-10 | 2022-08-16 | 南京泉峰科技有限公司 | Grass cutter |
| WO2024050684A1 (en) * | 2022-09-06 | 2024-03-14 | Greenworks (Jiangsu) Co. Ltd. | Outdoor power machine with modular axle and deck configuration |
| CN115336461B (en) * | 2022-09-20 | 2023-05-12 | 临沂市金立机械有限公司 | Four-wheel synchronous driving walking device of mower |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109832005A (en) | 2019-06-04 |
| CN208639010U (en) | 2019-03-26 |
| CN208242236U (en) | 2018-12-18 |
| CN109832006B (en) | 2024-05-14 |
| CN208285836U (en) | 2018-12-28 |
| CN208639003U (en) | 2019-03-26 |
| CN209170911U (en) | 2019-07-30 |
| CN109832006A (en) | 2019-06-04 |
| CN109832004A (en) | 2019-06-04 |
| CN208639004U (en) | 2019-03-26 |
| CN109832003B (en) | 2024-06-14 |
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