CN208095866U

CN208095866U - A kind of novel scythe

Info

Publication number: CN208095866U
Application number: CN201820421825.4U
Authority: CN
Inventors: 张敬
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-27
Filing date: 2018-03-27
Publication date: 2018-11-16
Anticipated expiration: 2028-03-27

Abstract

The utility model relates to a kind of novel scythes; it include grass trimmer ontology; cutterhead is fixed in the main body of grass trimmer ontology by extension rod; it further include having the tool guard being fixed on extension rod by fixed frame; fixed frame extends to the oblique upper of cutterhead in sickle-shaped and its end, and tool guard includes the protection box body connecting with fixed frame, the lower baffle plate for being hinged on protection box body bottom, lower baffle plate is arranged in and protects the spring between box body.The protective device with protection cutter is provided, the situation in thick grass can be first verified before blade reaches, and can according to circumstances provide warning.

Description

A kind of novel scythe

Technical field

The utility model relates to agricultural machinery more particularly to scythes.

Background technique

In the country of Machinery for orchard high development, the research of grass trimmer just develops towards high speed, energy-efficient direction.Orchard Grass trimmer structure is simple, light, and is commonly wheeled traveling, and when work is very flexible, especially the adaptation this large area place in orchard. It cuts weeds by the blade impact of high speed rotation cutterhead, and cutting speed is up to 60 ~ 90 meter per seconds, stable working, and operation is advanced Speed is suitable for Plain, hills, terraced fields, orchard, Triangle etc. up to 15 kilometers/hour or more, and to the adaptable of environment All kinds of weeds of big small plot, easy to operate, working efficiency is higher.

Find generally not only there are weeds in orchard in a large amount of use experience, there are also it is some as stones, beverage bottle, The sundries such as plastic casing or fruit stone, harder especially as the stone and object that more covers, when general walking, are all difficult to send out Now, in the case that needless to say weeds disorderly fly when mowing.Once blade encounter admant head consequence be it is envisioned, no Damage only is brought to grass trimmer, also the inconvenience and cost additional to orchard maintenance bring.

Summary of the invention

In order to solve the above technical problems, providing a kind of novel scythe, provided technical solution is as follows, including There is grass trimmer ontology, cutterhead is fixed in the main body of grass trimmer ontology by extension rod, which is characterized in that further include having by solid To determine frame and is fixed on the tool guard on extension rod, fixed frame extends to the oblique upper of cutterhead in sickle-shaped and its end, Tool guard includes the protection box body connecting with fixed frame, the lower baffle plate for being hinged on protection box body bottom, is arranged under Spring between baffle and protection box body.

Based on the above technical solution, it protects and offers sliding groove in box body bottom, the setting slided in sliding groove There is sliding panel, the one end for being placed in the oscillating rod among spring is hinged with sliding panel, and the other end is hinged with lower baffle plate, at the top of sliding groove Mounting groove a is offered, and laser ranging system is installed in mounting groove a, is also provided at the top of protection box body and is connected to mounting groove a Mounting groove b, the alarm lamp being electrically connected with laser ranging system is installed in mounting groove b.

Based on the above technical solution, the width of lower baffle plate is greater than the width of protection box body, and the two sides of lower baffle plate are set It is equipped with side baffle, the two sides clearance fit of side baffle and protection box body.

Based on the above technical solution, protection box body front end is provided with the collision outer cover of arc.

Beneficial effect：The protective device with protection cutter is provided, can first be verified in thick grass before blade reaches Situation, and warning can be according to circumstances provided.

Detailed description of the invention

Fig. 1 is the side view of the utility model.

Fig. 2 is the partial enlargement diagram of Fig. 1 of the utility model.

Fig. 3 is the sectional view of Fig. 2 of the utility model.

Fig. 4 is the partial enlargement diagram of Fig. 3 of the utility model.

Specific embodiment

A kind of novel scythe as shown in drawings, provided technical solution is as follows, includes grass trimmer ontology 1, cutterhead 3 is fixed in the main body of grass trimmer ontology 1 by extension rod 2, which is characterized in that further includes having through fixed frame 4 The tool guard being fixed on extension rod 2, fixed frame 4 extend to the oblique upper of cutterhead 3, cutter in sickle-shaped and its end Protective device includes the protection box body 5 connecting with fixed frame 4, the lower baffle plate 6 for being hinged on protection 5 bottom of box body, is arranged under Spring 7 between baffle 6 and protection box body 5.

When using grass trimmer, since tool guard is before cutterhead 3, if the stone encountered in thick grass can be preparatory It learns.If lower baffle plate 6, which encounters hard protrusion, to be jacked up, while the staff for operating grass trimmer can perceive on grass trimmer The case where sticking up can also learn the surface state in front in advance.Lower baffle plate 6 resets under the action of spring 7 after avoiding protrusion, Flexible lower baffle plate 6 can stretch to be scratched to avoid " very stiff and demanding ".

Showing in Fig. 1 is scythe cutterhead 3 without state when working, therefore cutterhead 3 and blade 18 are inclinations 's.When working condition, the blade 18 of cutterhead 3 is parallel to the ground, while tool guard at least also should be parallel with blade 18 （Refer to that the bottommost of lower baffle plate 6 is parallel with blade 18）, it is understood that it is equal for the two road clearance, but preferably it is slightly below knife The road clearance of piece 18.Grass trimmer ontology 1 is conventional wheeled mower, and the electricity that driving blade 18 rotates is equipped on domain Thus machine and its other auxiliary devices form the main part of grass trimmer ontology 1, separately have a thinner extension rod 2 to prolong forward It stretches, cutterhead 3 is just mounted on extension rod 2.It is also suitable for other kinds of grass trimmer, such as hand-held etc. simultaneously.

Inclined when in use since grass trimmer is wheeled mower, thus mow when cutterhead 3 using wheel as the center of circle It turns to apart from the suitable height of weeds, so if tool guard is arranged in parallel with extension rod 2 as in figure 1, When grass trimmer use state, protection box body 5 always has several corners can directly and ground friction.So being not used in this way in Fig. 1 State when, should just be in tilted layout relative to extension rod 2, inclined angle can refer to the angle of blade 18.And in grass trimmer In use, it is just parallel to the ground, it is more favorable to the work of lower baffle plate 6.

Fixed frame 4 can be sickle-shaped, be also possible to arc, can be in the premise for not changing existing grass trimmer structure Under, make improvement.

Preferably, it protects and offers sliding groove 8 in 5 bottom of box body, that slides in sliding groove 8 is provided with sliding panel 9, is placed in One end of oscillating rod 10 among spring 7 and sliding panel 9 are hinged, and the other end and lower baffle plate 6 are hinged, offer at the top of sliding groove 8 Mounting groove a11, and laser ranging system 13 is installed in mounting groove a11, it protects and is also provided with and mounting groove a11 at the top of box body 5 The alarm lamp 14 being electrically connected with laser ranging system 13 is installed in the mounting groove b12 of connection, mounting groove b12.Providing can The technical solution of alarm, lower baffle plate 6 are similar to the principle that piston motion is pushed in engine, have pushed cunning by oscillating rod 10 Movable plate 9 enables sliding panel 9 to slide up and down in sliding groove 8.When sliding panel 9 is closer apart from laser ranging system 13, swash Electric signal is passed through control circuit by optical range finding apparatus 13, and then lights alarm lamp 14, prompts user's attention deficit disorder object.

The circuit connecting mode and control circuit of laser ranging system 13 and alarm lamp 14 are the connections between the above two Mode can refer to any prior art.Alarm lamp 14 is mounted in mounting groove b12, and the protection box body 5 of inclination arrangement also can be more Alarm lamp 14 is set to play effect well, user is more easily observed alarm lamp 14 and lights.

As shown, being vertically disposed with multiple baffles 16 in sliding groove, it is detached from and slides when being moved downward to prevent on-slip movable plate Dynamic slot, being also prevented from it and moving upwards is to break laser ranging system 13

Preferably, the width of lower baffle plate 6 is greater than the width of protection box body 5, and the two sides of lower baffle plate 6 are provided with side baffle 15, The two sides clearance fit of side baffle 15 and protection box body 5.Be arranged side baffle 15 can preferably protect lower baffle plate 6 and its connection Spring 7 will not enter sundries, guarantee the normal work of spring 7.

Preferably, protection 5 front end of box body is provided with the collision outer cover 17 of arc.Collision outer cover 17 can protect box body 5 to exist Encounter injury-free when covering admant head.

Claims

1. a kind of novel scythe, includes grass trimmer ontology (1), cutterhead (3) is fixed on grass trimmer by extension rod (2) In the main body of ontology (1), which is characterized in that further include having the cutter protection being fixed on extension rod (2) by fixed frame (4) Device, fixed frame (4) extend to the oblique upper of cutterhead (3) in sickle-shaped and its end, and tool guard includes and fixes The protection box body (5) of frame (4) connection, the lower baffle plate (6) for being hinged on protection box body (5) bottom, setting are in lower baffle plate (6) and protection Spring (7) between box body (5).

2. a kind of novel scythe as described in claim 1, which is characterized in that protection offers in box body (5) bottom Sliding groove (8), the interior sliding of sliding groove (8) are provided with sliding panel (9), are placed in one end of the intermediate oscillating rod (10) of spring (7) Hingedly with sliding panel (9), the other end and lower baffle plate (6) hingedly, offer mounting groove a (11), and mounting groove at the top of sliding groove (8) It is equipped with laser ranging system (13) in a (11), is also provided with the installation being connected to mounting groove a (11) at the top of protection box body (5) The alarm lamp (14) being electrically connected with laser ranging system (13) is installed in slot b (12), mounting groove b (12).

3. a kind of novel scythe as claimed in claim 1 or 2, which is characterized in that the width of lower baffle plate (6), which is greater than, to be protected The width of box body (5) is protected, the two sides of lower baffle plate (6) are provided with side baffle (15), the two sides of side baffle (15) and protection box body (5) Clearance fit.

4. a kind of novel scythe as claimed in claim 3, which is characterized in that protection box body (5) front end is provided with arc The collision outer cover (17) of shape.