CN207124859U

CN207124859U - Hay knife structure

Info

Publication number: CN207124859U
Application number: CN201720754549.9U
Authority: CN
Inventors: 张启振
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-27
Filing date: 2017-06-27
Publication date: 2018-03-23
Anticipated expiration: 2027-06-27

Abstract

A kind of hay knife structure is the utility model is related to, is to include：One mowing blade system is appropriate length-width ratio and rectangle, rhombus or other geometries long and narrow, that multi-disc is long and narrow of thin-and-long is presented；The blade mainly has more than two straight blades or oblique straight sword portion, formed on main straight blade or oblique straight sword portion at equal intervals or unequal interval and the V-arrangement, U-shaped or the arc notch that set more than one, foregoing V-arrangement, U-shaped or arc notch inside and set scarf forming V-shape, U-shaped or arc notch cutting blade.Accordingly, when cutting off weeds, the breach cutting blade at interval can be effective and laborsaving cuts off weeds, also the problem of card grass cuttings as easy such as circular serrated knife will not be produced, and conveniently cut off the weeds that not specification angle is grown because of ambient growth, the effect of known mowing blade is unable to reach is effectively improved, it is deep to have ease of use.

Description

Hay knife structure

Technical field

A kind of technical field of hay knife is the utility model is related to, more particularly to one kind cuts off not specification using breach cutting blade The hay knife structure of the weeds of angle.

Background technology

The growth of weeds is similar to straw, if the straight growth of straw is advantageous for mechanical harvesting, and when straw is toward four sides From all directions during mixed and disorderly ramp down, machinery is difficult to gather in, and must be manually with hand steered straight straw, then by the reaping hook of hook will help straight rice Grass is cut off.Same reason, when known hay knife is met with toward the weeds of ramp down mixed and disorderly from all directions, it is difficult to operation；Also can not Can manually by weeds help it is straight after, then cut off with hay mover, it, which is performed, has any problem.Another person, there is a kind of its circle of circular serrated knife Disk periphery is covered with blade, though its can the advantages of rear edge is filled immediately when front edge fails, blade is too intensive, and all in same radius Location point, be very easy to card grass cuttings, cleaning blade will be usually shut down using midway, using upper not very convenient.Such as use plate Piece hay knife, simple to rotate cutting using four side blades, because knife edge angular is consistent, weed growth height and angle differ, institute It is also bad with cutting effect, often weeds could be cut off several times back and forth neatly.

As shown in figure 1, being for a kind of known hay knife 1, it is provided with four straight blades 2 with foregoing known hay knife 1, Foregoing straight blade 2 easily touches stone or hard objects, the problems such as causing the straight defect of blade 2 or be passivated, and when its passivation Or the region just can not normally cut off weeds during defect, so, the utility model be maintained breach cutting blade will not touch stone or Hard objects so that breach cutting blade is maintained more permanent sharp state.

Utility model content

The technical problems to be solved in the utility model is according to above-mentioned the deficiencies in the prior art, there is provided a kind of hay knife knot Structure.

The technical solution of the utility model is as follows：

A kind of hay knife structure, including：One mowing blade, foregoing mowing blade system are appropriate length-width ratio and thin-and-long are presented Shape, it has more than two straight blades or oblique straight sword portion；

On foregoing straight blade or oblique straight sword portion at equal intervals or unequal interval sets more than one breach, foregoing breach is inside simultaneously If inclined-plane forms breach cutting blade.

Wherein foregoing elongated shape can be rectangular elongated shape, the elongated shape of rhombus, long and narrow geometry or The long and narrow geometry of multi-disc.

Straight blade or oblique straight sword portion wherein more than both of the aforesaid, its most preferably four straight blade or oblique straight sword portion.

Wherein foregoing four straight blades or oblique straight sword portion, it must be that sides adjacent or opposite side are by lower outer up interior oblique Four positive inclined edge portions (A), or two positive inclined edge portion (A) located at it is non-be sides adjacent nor opposite side, two positive inclined edge portions (A) Sides adjacent or opposite side be set as being by upper outer down interior oblique backslash blade (B).

Wherein foregoing more than one breach must be V-arrangement, U-shaped or arc notch.

Wherein foregoing V-arrangement, U-shaped or arc notch inside and set aforementioned chamfers and form V-arrangement, U-shaped or arc notch cutting blade.

The plural corner of wherein foregoing mowing blade, foregoing corner must set up more than one corner breach cutting blade.

Compared with prior art, the utility model has the advantages that：The utility model hay knife structure, its is long and narrow Set on the straight blade of blade or oblique straight sword portion at equal intervals or the V-arrangement of unequal interval more than one, U-shaped or arc notch, foregoing V Shape, U-shaped or arc notch inside and set scarf forming V-shape, U-shaped or arc notch cutting blade, to reach not card grass cuttings and correcting again The effect of cutting weeds.

Brief description of the drawings

Fig. 1 is known hay knife stereogram.

Fig. 2 is the schematic perspective view of the embodiment of the utility model one.

Fig. 3 is the plan view from above of the embodiment of the utility model one.

Fig. 4 is the schematic perspective view of another embodiment of the utility model.

Fig. 5 is the plan view from above of another embodiment of the utility model.

Fig. 6 is the schematic perspective view of the another embodiment of the utility model.

Fig. 7 is the schematic perspective view of the utility model another embodiment.

Fig. 8 is that the utility model is implemented to the implementation state schematic perspective view of back of the body formula hay mover.

Fig. 9 be the utility model help straight weeds again by the implementation action schematic diagram cut off of cutting blade.

Reference

1st, known hay knife；2nd, straight blade；10th, mowing blade；11st, straight blade；12nd, oblique straight sword portion；111st, lack Mouthful；112nd, breach cutting blade；113rd, corner breach cutting blade；121st, breach；122nd, breach cutting blade；20th, rectangular elongated shape； 30th, the elongated shape of rhombus；40th, the long and narrow geometry of multi-disc；51st, formula hay mover is carried on the back；60th, weeds；A, positive inclined edge portion；B, it is anti- Inclined edge portion.

Embodiment

It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer Type is described in further detail.

As shown in Fig. 2 to 5 and Fig. 8, Fig. 9, the utility model provides a kind of hay knife structure, is to include：

One mowing blade 10, the foregoing system of mowing blade 10 be appropriate length-width ratio and present elongated shape, its have two with On straight blade 11 or tiltedly straight sword portion 12；

Foregoing straight blade 11 or tiltedly in straight sword portion 12 at equal intervals or unequal interval sets more than one breach 111,121, it is preceding State breach 111,121 inside and set inclined-plane and form breach cutting blade 112,122.Foregoing mowing blade 10 is to be able to be assembled to back of the body formula to cut On careless machine 51, accordingly, the breach cutting blade 112,122 at interval forms multi-blade and the cutting edge with different angle, therefore does not have The problem of card grass cuttings, and the blade 11 or 12 being spaced using its breach cutting blade 112,122 there is correcting to be grown because of ambient growth The not weeds 60 of specification angle, are effectively improved the effect of known mowing blade is unable to reach.

Described hay knife structure, wherein foregoing elongated shape can be rectangular elongated shape 20, the thin-and-long of rhombus Shape 30 or other long and narrow geometries.

Described hay knife structure, straight blade 11 or oblique straight sword portion 12 wherein more than both of the aforesaid, it most preferably four Individual straight blade 11 or tiltedly straight sword portion 12.

Described hay knife structure, wherein foregoing four straight blades 11 or tiltedly straight sword portion 12, it must be sides adjacent or phase Offside be by lower outer up interior four oblique positive inclined edge portions (A), or two positive inclined edge portion (A) located at it is non-be sides adjacent nor Opposite side, the sides adjacent of two positive inclined edge portions (A) or opposite side are set as being by upper outer down interior oblique backslash blade (B).

Described hay knife structure, wherein foregoing more than one breach 111,121 must be V-arrangement, U-shaped or arc notch 111, 121。

Described hay knife structure, wherein foregoing V-arrangement, U-shaped or arc notch 111,121 inside and set aforementioned chamfers and formed V-arrangement, U-shaped or arc notch cutting blade 112,122.

Described hay knife structure, wherein foregoing more than one breach 111,121, its most preferably three equally spaced breach 111、121。

As shown in figure 9, the weeds 60 toward ramp down mixed and disorderly from all directions are difficult to cut off with known hay knife, it is like toward four sides It is the same to be difficult to mechanical harvesting for the straw of mixed and disorderly ramp down from all directions, and mowing blade of the present utility model 10, and it is in foregoing straight blade 11 or tiltedly in straight sword portions 12 at equal intervals or unequal interval sets more than one breach 111,121, foregoing breach 111,121 inside and is set Inclined-plane forms breach cutting blade 112,122, raw during mowing in this way, form more breach cutting blades 112,122 and the cutting edge of different angle Grow the mixed and disorderly ramp down from all directions weeds 60 encounter interval straight blade 11 or tiltedly straight sword portion 12 be able to it is suitable again by correcting Its direction of rotation and gradually toward blade face displacement, while by weeds 60 take to rotation mowing blade 10 come breach cutting blade 112, 122 position, it is to be able to instantaneous trip weeds 60, is able to smoothly cut off the weeds 60 toward ramp down mixed and disorderly from all directions with it, no Only laborsaving and convenient operation, it is often more important that it can once complete to cut off, be the effect of known mowing blade can not be reached, and Its another aspect, interval breach of the present utility model is located at different radii distance, and presentation etc. or unequal interval are set, so not The card grass cuttings problem of circular serrated knife is had, is for quite progressive and practical creation.Breach cutting blade 112 of the present utility model, 122 will not touch hard thing or stone, so being able to keep sharp state for a long time, so weeds of the straight blade 11 without cut-out 60, reaching breach cutting blade 112,122 just can necessarily cut off it.

As shown in fig. 6, being the schematic perspective view of the another embodiment of the utility model, the utility model mowing blade 10 is implemented As the geometry 40 that multi-disc is long and narrow, foregoing mowing blade 10 is provided with multiple straight blades 11, formed on straight blade 11 etc. Interval or the breach 111 of unequal interval, and set inclined-plane inside in breach 111 and form breach cutting blade 112.Long and narrow several of foregoing multi-disc The mowing blade 10 of what shape 40 is to implement to vehicle type hay mover.

As shown in fig. 7, the corner of the utility model mowing blade 10 must set up more than one corner breach cutting blade 113, its Corner breach cutting blade 113 does not also have the problem of touching the passivation of hard thing or stone or defect, so also can be to keep cutting edge of a knife or a sword for a long time Sharp state.

Above disclosed is only the utility model preferred embodiment, can not limit the utility model with this certainly Interest field, therefore equivalent variations made according to the utility model claims still belong to the scope that the utility model is covered.

Claims

1. a kind of hay knife structure, including：

One mowing blade, for elongated shape is presented, it has more than two straight blades or oblique straight sword for foregoing mowing blade system Portion；It is characterized in that：

On foregoing straight blade or oblique straight sword portion at equal intervals or unequal interval is provided with least one breach, foregoing breach inside and is set Inclined-plane forms breach cutting blade.

2. hay knife structure according to claim 1, it is characterised in that：Wherein foregoing elongated shape can be rectangular narrow Long shape, the elongated shape of rhombus, long and narrow geometry or the long and narrow geometry of multi-disc.

3. hay knife structure according to claim 1, it is characterised in that：Straight blade or oblique wherein more than both of the aforesaid Straight sword portion, its most preferably four straight blade or oblique straight sword portion.

4. hay knife structure according to claim 3, it is characterised in that：Wherein foregoing four straight blades or oblique straight sword Portion, it must be that sides adjacent or opposite side are by lower outer up interior four oblique positive inclined edge portions (A), or two positive inclined edge portion (A) located at it is non-be sides adjacent nor opposite side, the sides adjacent of two positive inclined edge portions (A) or opposite side be set as by it is upper outside down Interior oblique backslash blade (B).

5. hay knife structure according to claim 1, it is characterised in that：Wherein foregoing breach is that V-arrangement, U-shaped or arc lack Mouthful.

6. hay knife structure according to claim 5, it is characterised in that：Wherein foregoing V-arrangement, U-shaped or arc notch are inside And set aforementioned chamfers and form V-arrangement, U-shaped or arc notch cutting blade.

7. hay knife structure according to claim 1, it is characterised in that：The plural corner of wherein foregoing mowing blade, it is preceding State corner and have additional at least one corner breach cutting blade.