A kind of cutterhead lifting structure and the grass trimmer with the structure
Technical field
The present invention relates to garden instrument field, specifically a kind of cutterhead lifting structure and the grass trimmer with the structure.
Background technique
Grass trimmer is common garden instrument, and with the continuous development of science and technology, the automatic mower of height intelligence is increasingly
Common, grass trimmer will adjust its cutterhead height for the height of different grass, such as Publication No. CN201830660U is cut
Careless cutter height regulating mechanism and corresponding grass trimmer, including lead screw and screw, screw are fixed, and can be rotated, and lead screw is equipped with perpendicular
Straight guiding mechanism, inner hollow, and mountable knife drive motor;And Publication No. CN107258207A grass trimmer and
Sensor height control method, technical solution be include rotary components, rotary components can rotate, and rotary components have hang down
Directly in the first side wall of the working surface, the first side wall surface is provided with rotary teeth, and sensory package has perpendicular to the work
Make the second sidewall on surface, the second sidewall is provided with rotation screw thread relative to the surface of the first side wall, rotates screw thread
It is meshed with the rotary teeth, sensor is connect with the second sidewall, sensory package phase with the rotation of the rotary components
It is mobile to the working surface.
But all existing for these screw thread adjustment structures locks unstable problem, the present invention is same in order to solve the problems, such as
But too many cost will not be increased, a cutterhead elevating mechanism is devised, grass trimmer can be made to facilitate adjusting height, structure of the invention
More simple, economic benefit is higher.
Summary of the invention
The purpose of the present invention is to provide a kind of cutterhead lifting structures, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of cutterhead lifting structure, including cutting machine ontology;The cutting machine ontology includes the pedestal being mutually permanently connected and upper
The shell of shell, pedestal and upper casing composition is embedded to be cased with cutterhead lifting assembly, and cutterhead lifting assembly includes vertical motion component and liter
Spring drops;The vertical motion component includes cutterhead, and cutterhead is connected with the output shaft of cutter motor, and cutterhead outer sheath is equipped with cutterhead
Cover;The cutterhead cover has been bolted to connection outsides cover of electric machinery, and outsides cover of electric machinery is fixedly connected with the pressure spring plate of annular, pressure spring plate
Lower end, which abuts, the lifting spring being set on outsides cover of electric machinery;The outsides cover of electric machinery top nested is simultaneously connected with Slave Block, driven
Block is equipped with Slave Block inner cavity, and Slave Block inner cavity is embedded to be cased with rotating block;The outer wall of the rotating block, which offers, withstands block card slot, top
Firmly embedded be cased with of block card slot withstands block, withstands to abut on the inside of block and withstands spring;It is described withstand block lower part be equipped with withstand convex block, from
Motion block inner cavity offer helically rise arrangement withstand convex block slot, withstand convex block and be connected to and withstand in convex block slot.
As a further solution of the present invention: lifting knob is equipped with above the rotating block, rotating block upper surface is fixed to be connected
It is connected to square.
As a further solution of the present invention: the lifting knob is connected and fixed with square.
As a further solution of the present invention: the outsides cover of electric machinery is set on the outside of cutter motor, cutter motor and motor
Outer cover is fixedly connected.
As a further solution of the present invention: the cutterhead cover is nested in pedestal, and outsides cover of electric machinery is nested in pedestal and upper
In the shell of shell composition.
As a further solution of the present invention: the lifting spring lower end is connected on pedestal, is bent inwards on the inside of pedestal
It is formed with annular groove.
As a further solution of the present invention: the Slave Block and outsides cover of electric machinery are clamped, and Slave Block outer wall is equipped with circumferentially
The driven fixture block of distribution, the driven fixture block groove with the cooperation of driven fixture block is offered in outsides cover of electric machinery circumferential wall, and driven fixture block is nested
In driven fixture block groove.
As a further solution of the present invention: the bottom surface of the Slave Block inner cavity and the bottom surface of rotating block are spiral
Face.
As a further solution of the present invention: the shaft for withstanding block upper end and being equipped with withstanding block and be fixedly connected, shaft
It is nested in and withstands block card slot and be rotatablely connected with block card slot is withstood, withstand to offer in block card slot and withstand spring groove, withstand spring
It is nested in and withstands in spring groove.
A kind of grass trimmer, including above-mentioned cutterhead elevating mechanism.
Compared with prior art, the beneficial effects of the present invention are: the present invention by be equipped with bottom surface helically raised floor turn
Motion block and Slave Block equipped with Slave Block inner cavity, rotating block outer wall are equipped with hinged elasticity and withstand block, and Slave Block inner cavity, which is equipped with, is in
Convex block slot is withstood in spiral arrangement, and is equipped with the vertical motion component for abutting and having lifting spring, is realized by lifting knob
The quick adjusting of cutterhead height, structure easy to adjust is simple, compact-sized.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of cutterhead lifting structure;
Fig. 2 is the side view of grass trimmer;
Fig. 3 is the sectional view in Fig. 2 at A-A;
Fig. 4 is the bottom view of cutterhead lifting assembly in cutterhead lifting structure;
Fig. 5 is the top view of cutterhead lifting assembly in cutterhead lifting structure;
Fig. 6 is the perspective view of Slave Block in cutterhead lifting structure;
Fig. 7 is the explosive view of cutterhead lifting assembly in cutterhead lifting structure.
In figure: 100- cutterhead lifting assembly;101- lifting spring;1000- vertical motion component;200- grass trimmer ontology;
10- lifting knob;20- rotating block;21- withstands spring groove;22- withstands block card slot;23- square;24- withstands spring;25- is withstood
Block;250- withstands convex block;30- Slave Block;300- Slave Block inner cavity;The driven fixture block of 31-;32- withstands convex block slot;40- cutterhead electricity
Machine;50- outsides cover of electric machinery;The driven fixture block groove of 51-;52- pressure spring plate;60- cutterhead cover;70- cutterhead;80- upper casing;90- pedestal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1~7, in the embodiment of the present invention, a kind of cutterhead lifting structure, including cutting machine ontology 200;The cutting machine
Ontology 200 includes the pedestal 90 and upper casing 80 being mutually permanently connected, and the shell that pedestal 90 and upper casing 80 form is embedded to be cased with cutterhead
Lifting assembly 100, cutterhead lifting assembly 100 include vertical motion component 1000 and lifting spring 101;The vertical motion component
1000 include cutterhead 70, and cutterhead 70 is connected with the output shaft of cutter motor 40, and 70 outer sheath of cutterhead is equipped with cutterhead cover 60, cutterhead cover
60 pairs of cutterheads 70 protect;The cutterhead cover 6 has been bolted to connection outsides cover of electric machinery 50, and outsides cover of electric machinery 50 is set in knife
40 outside of coil motor, cutter motor 40 are fixedly connected with outsides cover of electric machinery 50;The cutterhead cover 60 is nested in pedestal 90, outside motor
Cover 50 is nested in the shell that pedestal 90 and upper casing 80 form, and outsides cover of electric machinery 50 is fixedly connected with the pressure spring plate 52 of annular, pressure spring
52 lower end of plate, which abuts, the lifting spring 101 being set on outsides cover of electric machinery 50, and 101 lower end of lifting spring is connected on pedestal 90,
It bends inwards on the inside of pedestal 90 and is formed with annular groove;Lifting spring 101 makes the limit of vertical motion component 1000 in 90 He of pedestal
In the shell that upper casing 80 forms.
50 top nested of outsides cover of electric machinery is simultaneously connected with Slave Block 30, and Slave Block 30 and outsides cover of electric machinery 50 are clamped, driven
30 outer wall of block is equipped with the driven fixture block 31 being circumferentially distributed, and offers in 50 circumferential wall of outsides cover of electric machinery and the cooperation of driven fixture block 31
Driven fixture block groove 51, driven fixture block 31 is nested in driven fixture block groove 51, so that Slave Block 30 is connected and fixed with outsides cover of electric machinery 50;
The Slave Block 30 is equipped with Slave Block inner cavity 300, and the bottom surface of Slave Block inner cavity 300 is spiral face, in Slave Block inner cavity 300
It is nested with rotating block 20, the bottom surface of rotating block 20 is spiral face;The outer wall of the rotating block 20, which offers, withstands block card slot
22, it withstands embedded be cased with of block card slot 22 and withstands block 25, withstand the shaft that 25 upper end of block is equipped with withstands block 25 and be fixedly connected, shaft
It is nested in and withstands block card slot 22 and be rotatablely connected with block card slot 22 is withstood, withstand to abut on the inside of block 25 and withstand spring 24, withstand
It is offered in block card slot 22 and withstands spring groove 21, withstood spring 24 and be nested in and withstand in spring groove 21;It is described to withstand 25 lower part of block
Equipped with withstanding convex block 250, Slave Block 30 offer helically rise arrangement withstand convex block slot 32, withstand convex block 250 and be connected to
It withstands in convex block slot 32, realizes the relatively fixed of rotating block 20 and Slave Block 30.
When rotating block 20 rotate and drive withstand block 25 rotate, withstand block 25 and compressed to spring 24 is withstood, and from
Sliding in motion block inner cavity 300, the convex block 250 that withstands for withstanding 25 lower part of block from one withstand convex block slot 32 and are moved to another and withstand
Convex block slot 32 is realized and is squeezed Slave Block 30, in turn in addition, the bottom surface of 20 bottom surface of rotating block and dynamic inner cavity 300 is helicoid
Realization includes that the vertical motion component 1000 of cutterhead 70 moves up and down, and realizes moving up and down for cutterhead 70.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: above the rotating block 20 be equipped with lifting knob 10,20 upper surface of rotating block
It is fixedly connected with square 23, square 23 is connected and fixed with lifting knob 10, realizes rotating block by rotating lifting knob 10 manually
20 rotation, and then realize the lifting of cutterhead 70, it is easy to adjust, efficiently.
It should be noted that: cutter motor, cutterhead, cutterhead cover are the prior art in the application;It is rotating block, driven
Block, the motor cover equipped with pressure spring plate, the innovative point that lifting spring is the application;By the rotation for being equipped with bottom surface helically raised floor
Block and Slave Block equipped with Slave Block inner cavity, rotating block outer wall are equipped with hinged elasticity and withstand block, and it is in spiral shell that Slave Block inner cavity, which is equipped with,
Screw on liter arrangement withstands convex block slot, and is equipped with the vertical motion component for abutting and having lifting spring, realizes knife by lifting knob
The quick adjusting of disk height, structure easy to adjust is simple, compact-sized.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.