CN208509604U - Grass trimmer - Google Patents
Grass trimmer Download PDFInfo
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- CN208509604U CN208509604U CN201820904093.4U CN201820904093U CN208509604U CN 208509604 U CN208509604 U CN 208509604U CN 201820904093 U CN201820904093 U CN 201820904093U CN 208509604 U CN208509604 U CN 208509604U
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- protective case
- wheel
- transmission shaft
- traveling wheel
- grass trimmer
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Abstract
The utility model discloses a kind of grass trimmer, it include: body, the traveling wheel group for being set to the cutting mechanism of organism bottom and being installed on body, the traveling wheel group includes multiple traveling wheels, each traveling wheel drives rotation by its corresponding transmission shaft, the transmission shaft has the rotary output for connecting traveling wheel and opposite Rotation of receiver end, the rotary output can change relative to the position of body along vertical direction, the outer sheath of the transmission shaft is equipped with protective case, the protective case includes flexible part, position change with the rotary output relative to body, the protective case by flexible part deformation realize along transmission shafts to length change, and the protective case both ends are limited, it will not be rotated with transmission shaft.By the way that protective case is arranged on the transmission shaft of grass trimmer traveling wheel, the flexible part of protective case is by deforming so that transmission shaft is effectively protected as the floating of traveling wheel changes in the length of protective case, and effectively prevents weeds from winding the upper transmission shaft.
Description
Technical field
The present invention relates to a kind of grass trimmer, especially a kind of mowing that can be moved outdoors and independently execute task
Robot.
Background technique
Grass trimmer be it is a kind of for cutting the grass on a lawn, the machine tool of vegetation etc., it is by cutterhead, motor, blade, control unit
Divide equal composition, is mainly cut under the high speed rotation of motor using blade, thus when saving the operation of artificial weeding
Between.With the development of science and technology, intelligent automatic running device is well known, due to automatically walk grass-removing robot energy
The work that enough autonomous completions cut the grass on a lawn, without artificially directly controlling and operate, and power is low, noise is small, pollution-free, shape
It is exquisite beautiful, manual operation is greatly lowered, it is more and more welcomed by the people.
The grass-removing robot of the prior art, walking transmission shaft is exposed outside, when grass-removing robot is mowed, is easy to happen
Grass is twined, to influence the normal work of grass-removing robot.
Summary of the invention
Grass trimmer reliable, with long service life is used the purpose of the present invention is to provide a kind of.
For achieving the above object, the present invention provides a kind of grass trimmer, comprising: body is set to cutting for organism bottom
Cutting mill structure and the traveling wheel group being installed on body, the traveling wheel group include multiple traveling wheels, and each traveling wheel is right by its
The transmission shaft answered drives rotation, and the transmission shaft has the rotary output for connecting traveling wheel and opposite Rotation of receiver end,
The rotary output can change relative to the position of body along vertical direction, and the outer sheath of the transmission shaft is equipped with protection
Set, the protective case includes flexible part, and the position change with the rotary output relative to body, the protective case passes through
The deformation of flexible part realize along transmission shafts to length change, and the protective case both ends are limited, will not be with described
Transmission shaft rotation.
As the further improvement of an embodiment of the present invention, each traveling wheel has wheel shaft fixed corresponding thereto, institute
Rotation of receiver end connection drive shaft is stated, the transmission shaft is configured to bulb transmission shaft so that the rotation of the drive shaft is passed to institute
Wheel shaft is stated, the traveling wheel includes the wheel seat for supporting the wheel shaft, and the body is equipped with the support base for supporting the drive shaft, institute
The both ends for stating protective case are separately fixed on wheel seat and support base.
As the further improvement of an embodiment of the present invention, the protective case includes both ends funnel-shaped, described
Funnelform both ends are relatively fixed with wheel seat and support base respectively.
As the further improvement of an embodiment of the present invention, it is respectively equipped on the inside of the both ends of the protective case convex
It rises, the groove with respective protrusions cooperation is respectively equipped on the outside of the outside of the wheel seat and support base, the protrusion is caught in groove
The both ends of the protective case are made to be individually fixed in the wheel seat and the support base.
As the further improvement of an embodiment of the present invention, the protective case includes the first end for connecting wheel seat, connects
It connects the second end of support base and connects the thin tube part of first end and the second end, the first end is sheathed on the wheel
The periphery of seat, the second end are sheathed on the periphery of the support base, and the diameter and the second end of the first end
Diameter be all larger than the diameter of the thin tube part.
It is parallel isometric equipped with two between the wheel seat and support base as the further improvement of an embodiment of the present invention
Connecting rod, one end of two connecting rods and the wheel seat are hinged, the other end of two connecting rods and the support seat hinge, described
Traveling wheel is moved by two connecting rods with respect to body along vertical direction, and the protective case is located at two connecting rods restriction
Profile in.
As the further improvement of an embodiment of the present invention, the protective case includes both ends and company funnel-shaped
The thin tube part between both ends is connect, the flexible part is set to the middle part of thin tube part.
As the further improvement of an embodiment of the present invention, the flexible part is configured to pleated portions, and the pleated portions are logical
It crosses stretching, extension and shrinks the change for realizing the protective case length.
As the further improvement of an embodiment of the present invention, the protective case is configured to the protection made of elastic material
Set.
As the further improvement of an embodiment of the present invention, the protective case is configured to Silicone Case.
Compared with prior art, the beneficial effects of the present invention are grass trimmers of the invention, by setting on its transmission shaft
Protective case is set, the flexible part of protective case is by deformation so that the length of protective case changes with the floating of traveling wheel, effectively
Transmission shaft is protected, the service life of grass trimmer can be increased with waterproof dust protection.
Detailed description of the invention
Fig. 1 is the perspective view of grass-removing robot in the preferred embodiment of the present invention；
Fig. 2 be in Fig. 1 grass-removing robot along the cross-sectional view of line A-A；
Fig. 3 is the main view of the one of traveling wheel part of grass-removing robot in Fig. 1, and wherein traveling wheel does not float
It is dynamic；
Fig. 4 is the top view of traveling wheel part in Fig. 3；
Fig. 5 is the cross-sectional view in Fig. 4 along line B-B；
Fig. 6 is the enlarged diagram of the part a in Fig. 5；
Fig. 7 is similar with Fig. 3, and wherein traveling wheel floats upwards；
Fig. 8 is the schematic cross-sectional view that traveling wheel floats in Fig. 7；
Fig. 9 is the enlarged diagram of the part b in Fig. 8.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
Shown in referring to Fig.1, in the preferred embodiment of the invention, grass trimmer is preferably grass-removing robot, is used on ground
Upper automatically walk and work provide the energy of walking and work by battery.Grass-removing robot includes body 10, is set to machine
The walking module that the bottom of body 10 is used for the cutting mechanism that cuts the grass on a lawn and is installed on body, walking module is for walking and turning
To cutting mechanism may include that cutting blade, cutting line etc. can be realized the cutting element trimmed to lawn.In addition, cutting
Careless robot further includes control module, is used for co-ordination module and walking module, and control module can make grass-removing robot exist
It walks and mows on lawn automatically in the case where left unguarded.In the description of the present invention, unless otherwise noted, the side being related to
It is all the direction normally advanced when driving with grass-removing robot as shown in Figure 1 such as front, back, left, right, up and inferior to term
For reference.
Cooperation is referring to shown in Fig. 2, the walking module of grass-removing robot, the row including traveling wheel group and driving traveling wheel group
Walk motor.Traveling wheel group is installed on body 10, specifically, body 10 includes chassis 12, traveling wheel group is installed on chassis 12.This
In embodiment, traveling wheel group includes four traveling wheels 21, and the front walking wheel and setting that front part of a body two sides are respectively arranged in exist
The rear walking wheel of After-Body two sides, each traveling wheel 21 drive rotation by its corresponding transmission shaft 42.
Referring to shown in Fig. 2 to Fig. 6, next it is specifically described by taking one of traveling wheel as an example, running motor passes through
Transmission shaft 42 drives traveling wheel 31 to rotate, and there is transmission shaft 42 rotary output of connection traveling wheel 21 and opposite rotation to connect
Receiving end, wherein rotary output can change relative to the position of body 10 along vertical direction, that is to say, that by the transmission shaft
The traveling wheel 21 of 42 drivings can float up and down along body 10, and the outer sheath of transmission shaft 42 is equipped with protective case 50, protective case 50
Including flexible part 53, position change with rotary output relative to body, protective case 50 is real by the deformation of flexible part 53
Now change along the axial length of transmission shaft 42, and 50 both ends of protective case are limited, and will not be rotated with transmission shaft 42.In this way,
When grass-removing robot mow when, by protective case 50 make grass with rotate transmission shaft 42 separate, to prevent transmission shaft
42 are snarled by grass.Moreover, when traveling wheel 21 floats relative to body 10, that is to say, that transmission shaft 42 is changed into from horizontal position
The length of obliquity, protective case 50 can change, thus prevent protective case 50 be detached from because of stress limitation cannot play it is anti-tangle
The effect of grass.
Specifically, each traveling wheel 21 has wheel shaft 22 fixed corresponding thereto, the Rotation of receiver end connection of transmission shaft 42
The drive shaft 41 driven by motor, transmission shaft 42 are configured to bulb transmission shaft so that the rotation of drive shaft 41 is passed to wheel shaft 22,
Then wheel shaft 22 drives the walking of the rotation realization grass-removing robot of traveling wheel 21.Drive shaft 41 can be directly driven by motor,
The transmission mechanism that can be driven by motor drives, and transmission mechanism can be gear drive, belt wheel transmission mechanism, sprocket wheel transmission
Mechanism etc..In the present embodiment, traveling wheel positioned at the same side, one of them is directly driven by motor, another passes through horse
Up to belt wheel mechanism driving is driven, as shown in Figure 3 and Figure 4, the drive shaft 41 of the corresponding traveling wheel 21 is by the belt wheel of belt wheel mechanism
The pulley shaft of drive.
With continued reference to Fig. 3 to 6, traveling wheel 21 has the wheel seat 23 of support wheel shaft 22, i.e. wheel shaft 22 is existed by bearing support
On wheel seat 23, wheel seat 23 can float up and down with traveling wheel 21 and cannot be as traveling wheel 21 rotates, one end of protective case 50
It is fixed on wheel seat 23.Body is equipped with the support base 13 of support drive shaft 41, i.e., drive shaft 41 is by bearing support in support base
On 13, support base 13 can be fixedly mounted on chassis 12, and the other end of protective case 50 is fixed on support base 13.In this way, band
Shaft 22, transmission shaft 42 and the drive shaft 41 that dynamic traveling wheel 21 rotates are located at wheel seat 23, protective case 50 and support base
13 inside, and wheel seat 23, protective case 50 and support base 13 do not rotate, shaft 22, transmission shaft 42 and drive shaft 41 are not
The grass or sundries that outside can be touched, will not twine grass.
Preferably, protective case 50 includes first end 51 funnel-shaped and opposite the second end 52, and connection
Thin tube part between first end 51 and the second end 52, flexible part 53 are set to the middle part of thin tube part.The set of first end 51
Set on the periphery of wheel seat 23, the periphery for being sheathed on support base 13 of the second end 52, the diameter and the second end of first end 51
52 diameter is all larger than the diameter of thin tube part, to facilitate the installation of protective case 50.Specifically, first end 51 is convex equipped with first
511 are played, the second end 52 is equipped with the second protrusion 522, and the first protrusion 511 and the second protrusion 522 are it is so structured that and funnel-form
The matched annular projection of inner peripheral surface, first protrusion 511 and second protrusion 522 protrusion direction and protective case 50 lengthwise extend
Direction is substantially vertical.Corresponding, the outside of wheel seat 23 is equipped with the first groove 231 with the first raised 511 shapes cooperation, and first is recessed
Slot 231 is also possible to annular recess, and the outside of support base 13 is again provided with the second groove with the second raised 522 shapes cooperation
132, the second groove 132 is also possible to annular recess.Make the both ends of protective case 50 relative to wheel by protrusion and the cooperation of groove
Seat 23 and rotational support seat 13 are fixed.In addition, the funnelform diameter of first end 51 is greater than the funnelform of the second end 52
Diameter, to facilitate the cooperation with wheel seat 23 and support base 13.
Further, flexible part 53 is configured to pleated portions, and pleated portions are by stretching, extension and shrink realization 50 length of protective case
Change.Moreover, protective case 50 is configured to the protective case made of elastic material, such as Silicone Case, rubber protecting jacket.
In the present embodiment, the wheel shaft 22 of traveling wheel 21 passes through bulb transmission shaft and inputs the belt wheel axis connection of rotary power,
So that traveling wheel 21 during moving up and down relative to chassis, will not influence the rotation of traveling wheel, i.e. bulb power transmission shaft is
Constitute the wheel shaft 22 of connection traveling wheel 21 and the floating structure of body.Further, floating structure further includes link mechanism, even
Linkage is connected between the wheel seat 23 of traveling wheel 21 and support base 13, link mechanism include set on wheel seat 23 and support base 13 it
Between two parallel isometric connecting rods 31,32, one end of two connecting rods and wheel seat 23 are hinged, the other end of two connecting rods and support
Seat 13 is hinged, and traveling wheel 21 is moved by two connecting rods with respect to body along vertical direction, and protective case 50 is located at two connecting rod limits
In fixed profile.Two connecting rods are the upper connecting rod 31 on the upside of bulb transmission shaft and the lower company on the downside of bulb transmission shaft
The both ends of bar 32, upper connecting rod 31 and lower link 32 are respectively equipped with axis hole, upper connecting rod 31 and lower link 32 and pass through pin shaft and wheel seat 23
It is pivotally connected with support base 13.By setting upper connecting rod 31 and lower link 32, so that moving up and down for traveling wheel 21 is more steady.
In grass-removing robot walking process, traveling wheel 21 can rise and fall according to ground height and carry out position adjustment, and
Chassis is kept to be in substantially horizontal arrangement always, so as to improve the job stability of grass-removing robot.Fig. 5 and Fig. 6 show row
State when wheel 21 does not float is walked, Fig. 8 and Fig. 9 show the state that traveling wheel 21 floats upwards, the transmission of traveling wheel 21
Axis 42 is inclined relative to horizontal, and protective case 50, can be comprehensively by transmission shaft 42 by the stretching, extension length of pleated portions
Protection inside it, can not only play the role of grass-winding proof, can be with waterproof dust protection, and increase grass-removing robot uses the longevity
Life.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of grass trimmer, comprising: body, the traveling wheel for being set to the cutting mechanism of organism bottom and being installed on body
Group, the traveling wheel group include multiple traveling wheels, it is characterised in that: and each traveling wheel drives rotation by its corresponding transmission shaft,
The transmission shaft has the rotary output for connecting traveling wheel and opposite Rotation of receiver end, and the rotary output is along perpendicular
Histogram can change to the position relative to body, and the outer sheath of the transmission shaft is equipped with protective case, and the protective case includes soft
Property portion, the position change with the rotary output relative to body, the protective case realizes edge by the deformation of flexible part
Transmission shafts to length change, and the protective case both ends by limitation will not be rotated with the transmission shaft.
2. grass trimmer according to claim 1, which is characterized in that each traveling wheel has wheel shaft fixed corresponding thereto,
The Rotation of receiver end connects drive shaft, and the transmission shaft is configured to bulb transmission shaft to pass to the rotation of the drive shaft
The wheel shaft, the traveling wheel include the wheel seat for supporting the wheel shaft, and the body is equipped with the support base for supporting the drive shaft,
The both ends of the protective case are separately fixed on wheel seat and support base.
3. grass trimmer according to claim 2, which is characterized in that the protective case includes both ends funnel-shaped, institute
It is relatively fixed with wheel seat and support base respectively to state funnelform both ends.
4. grass trimmer according to claim 3, which is characterized in that be respectively equipped on the inside of the both ends of the protective case convex
It rises, the groove with respective protrusions cooperation is respectively equipped on the outside of the outside of the wheel seat and support base, the protrusion is caught in groove
The both ends of the protective case are made to be individually fixed in the wheel seat and the support base.
5. grass trimmer according to claim 3, which is characterized in that the protective case include connect wheel seat first end,
The second end of connecting support seat and the thin tube part for connecting first end and the second end, the first end are sheathed on described
The periphery of wheel seat, the second end are sheathed on the periphery of the support base, and the diameter and second end of the first end
The diameter in portion is all larger than the diameter of the thin tube part, also, the first end and the second end be sheathed on respectively the wheel seat,
End of the support base relative to the thin tube part.
6. grass trimmer according to claim 2, which is characterized in that be equipped between the wheel seat and support base two it is parallel etc.
Long connecting rod, one end of two connecting rods and the wheel seat are hinged, the other end of two connecting rods and the support seat hinge, institute
It states traveling wheel to move along vertical direction by two connecting rods with respect to body, the protective case is located at two connecting rods limit
In fixed profile.
7. grass trimmer according to claim 1, which is characterized in that the protective case include both ends funnel-shaped and
The thin tube part between both ends is connected, the flexible part is set to the middle part of thin tube part.
8. grass trimmer according to claim 1, which is characterized in that the flexible part is configured to pleated portions, the pleated portions
The change of the protective case length is realized by stretching and shrinking.
9. grass trimmer according to claim 1, which is characterized in that the protective case is configured to the guarantor made of elastic material
Sheath.
10. grass trimmer according to claim 9, which is characterized in that the protective case is configured to Silicone Case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820904093.4U CN208509604U (en) | 2018-06-12 | 2018-06-12 | Grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820904093.4U CN208509604U (en) | 2018-06-12 | 2018-06-12 | Grass trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208509604U true CN208509604U (en) | 2019-02-19 |
Family
ID=65325404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820904093.4U Active CN208509604U (en) | 2018-06-12 | 2018-06-12 | Grass trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208509604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110583209A (en) * | 2018-06-12 | 2019-12-20 | 苏州科瓴精密机械科技有限公司 | Grass cutter |
-
2018
- 2018-06-12 CN CN201820904093.4U patent/CN208509604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110583209A (en) * | 2018-06-12 | 2019-12-20 | 苏州科瓴精密机械科技有限公司 | Grass cutter |
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