CN212087011U - Semi-automatic threading head of beating grass - Google Patents

Abstract

The utility model provides a semi-automatic threading grass mowing head, which comprises a cover plate, a cover body and a bottom cover from top to bottom in sequence; a bulge extends upwards from the middle part of one side of the cover body facing the cover plate, a rope outlet hole is formed in the cover body, a limiting device is arranged between the bulge and the rope outlet hole, and the rope outlet hole is communicated with the limiting device; the limiting device is arranged between the bulge and the rope outlet hole, so that the grass beating rope can be controlled to penetrate in and out, and the grass beating rope is convenient to replace; the limiting device comprises limiting grooves arranged on the cover plate, the limiting grooves are positioned on two sides of the protrusions, limiting blocks are arranged in the limiting grooves, the limiting blocks are connected with the limiting grooves in a sliding mode, and the rope outlet holes are communicated with the limiting grooves; the grass cutting rope can penetrate in and out and be replaced more conveniently through the sliding connection between the limiting groove and the limiting block; through set up elastic connecting piece between stopper and arch, be convenient for resume the stopper normal position, can prevent its unexpected landing with elastic connecting piece better fixed through first recess and second recess.

Description

Semi-automatic threading head of beating grass

Technical Field

The utility model relates to a machine technical field that beats the grass especially relates to a head is beaten in semi-automatic threading.

Background

The grass trimmer is a universal and practical garden tool, is particularly suitable for trimming ground grass such as villa lawns, garden lawns and the like, and is common in rope type and blade type. In the case of rope mowers, wire-wound mowers are currently in common use. The thin nylon rope is wound on the wire coil, the wire coil is installed on the output shaft of the machine, the head of the nylon rope is exposed out of the wire coil through the via hole in the wire coil, and grass-mowing operation can be carried out when the nylon rope exposed out of the wire coil rotates at high speed.

Present head of beating grass generally divide into the kinking formula and beat the head of beating grass and simply beat the head of beating grass, but no matter which kind of head of beating grass, its principle of beating grass all makes the outer rope of beating grass of head of beating grass take out the stem of beating grass and accomplish the operation of mowing after the high-speed rotation of head of beating grass, simply beat the head of beating grass, will beat the head of grass generally and connect with the lower cover and do the wiring and put in the centre, but traditional simple head of beating grass's the change mode of beating the rope of beating grass does: generally need unpack apart the drum that the grass-mowing head upper cover and lower cover will set up in inside after the rope of beating the grass is worn and torn, install again after changing the rope of beating the grass in the drum, continue to use, it is inconvenient to use and install.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a semi-automatic threading head of beating grass to propose original head of beating grass and change the inconvenient problem of rope of beating grass in solving above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: a semi-automatic threading grass mowing head sequentially comprises a cover plate, a cover body and a bottom cover from top to bottom; a bulge extends upwards from the middle part of one side of the cover body facing the cover plate, a rope outlet hole is formed in the cover body, a limiting device is arranged between the bulge and the rope outlet hole, and the rope outlet hole is communicated with the limiting device;

by adopting the technical scheme, the limiting device is arranged between the bulge and the rope outlet hole, so that the grass mowing rope can be controlled to penetrate in and out, and the grass mowing rope is convenient to replace;

as the preferred technical scheme of the utility model, the limiting device comprises limiting grooves arranged on the cover plate, the limiting grooves are positioned at two sides of the protrusions, limiting blocks are arranged in the limiting grooves, the limiting blocks are connected with the limiting grooves in a sliding way, and the rope outlet holes are communicated with the limiting grooves;

by adopting the technical scheme, the grass cutting rope can be more conveniently inserted into, pulled out of and replaced through the sliding connection between the limiting groove and the limiting block;

as a preferred technical scheme of the utility model, an elastic connecting piece is arranged between the limiting block and the bulge, a first groove is arranged on one side of the bulge close to the elastic connecting piece, a second groove is arranged on one side of the limiting block close to the elastic connecting piece, and the elastic connecting piece is positioned between the first groove and the second groove;

by adopting the technical scheme, the elastic connecting piece is arranged between the limiting block and the bulge, so that the limiting block can be conveniently restored to the original position, and the elastic connecting piece can be better fixed through the first groove and the second groove, so that the elastic connecting piece is prevented from accidentally sliding;

as the preferred technical proposal of the utility model, the middle of the limiting block is provided with a rope threading groove;

by adopting the technical scheme, the rope penetrating groove is formed in the middle of the limiting block, so that the grass mowing rope can better penetrate in and out;

as the preferred technical scheme of the utility model, two groups of rope outlet holes are respectively arranged at two ends of the cover body, two rope outlet holes are arranged in each group, and two rope outlet holes in each group are respectively arranged at two sides of the limiting groove;

by adopting the technical scheme, the rope outlet holes are respectively formed in the two ends of the cover body, so that the grass mowing head can more efficiently mow grass;

as the preferred technical proposal of the utility model, two cover plates are respectively positioned above the limit groove;

by adopting the technical scheme, the cover plate is arranged above the limiting groove, so that the grass cutting rope can be prevented from sliding out when penetrating in and out;

as the preferred technical scheme of the utility model, the bottom cover is hollow, the periphery of the bottom cover is provided with the fixed plate, the cover body is provided with the limiting plate, and a mounting hole matched with the fixed plate is arranged between the limiting plate and the bulge;

by adopting the technical scheme, the bottom cover is hollow, the middle cover can be placed inside the bottom cover, the fixing plate is arranged on the periphery of the bottom cover, the mounting hole matched with the fixing plate is formed between the limiting plate and the bulge on the cover body, the middle cover is firstly placed into the bottom cover during mounting, and then the fixing plate on the bottom cover is clamped into the mounting hole;

as the preferred technical proposal of the utility model, a middle cover is arranged between the cover body and the bottom cover;

by adopting the technical scheme, the middle cover is arranged between the cover body and the bottom cover, so that the grass mowing head is more stable in use;

compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can control the penetration and penetration of the grass beating rope by arranging the limiting device between the bulge and the rope outlet hole, thereby being convenient for replacing the grass beating rope;

2. the elastic connecting piece is arranged between the limiting block and the bulge, the first groove is arranged on one side of the bulge close to the elastic connecting piece, the second groove is arranged on one side of the limiting block close to the elastic connecting piece, the elastic connecting piece is positioned between the first groove and the second groove, the elastic connecting piece can be better fixed when the limiting block is restored to the original position, and the accidental sliding of the elastic connecting piece is prevented;

3. the utility model discloses a with the apron setting in the top of spacing groove, roll-off when can preventing that the rope of beating grass from penetrating, wearing out.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the present invention;

in the figure: 1. a cover plate; 2. a cover body; 3. a middle cover; 4. a bottom cover; 5. a protrusion; 6. a rope outlet hole; 7. a limiting groove; 8. a limiting block; 81. rope threading grooves; 82. a first groove; 83: a second groove; 9. an elastic connecting member; 10. a limiting plate; 11. a limiting column; 12. a fixing plate; 13. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: a semi-automatic threading grass cutting head sequentially comprises a cover plate 1, a cover body 2 and a bottom cover 4 from top to bottom, wherein threaded holes are formed in the cover plate 1 and the cover body 2, one end between the cover plate 1 and the cover body 2 is connected through a clamping end and a screw, a bulge 5 extends upwards from the middle of the cover body 2 towards one side of the cover plate 1, a rope outlet hole 6 is formed in the cover body 2, and a limiting device is arranged between the bulge 5 and the rope outlet hole 6; the limiting device is arranged between the bulge 5 and the rope outlet hole 6, so that the grass beating rope can be controlled to penetrate in and out, and the grass beating rope is convenient to replace;

the limiting device comprises limiting grooves 7 arranged on the cover plate 1, the limiting grooves 7 are positioned on two sides of the protrusions 5, limiting blocks 8 are arranged on the limiting grooves 7, the limiting grooves 7 are connected with the limiting blocks 8 in a sliding mode, and the limiting grooves 7 and the limiting blocks 8 can control the grass cutting ropes to penetrate in and out, so that the grass cutting ropes can be replaced conveniently; an elastic connecting piece 9 is arranged between the limiting block 8 and the bulge 5, the elastic connecting piece 9 can restore the limiting block 8 when not in use, and the elastic connecting piece 9 is a compression elastic connecting piece 9; in order to better fix the elastic connecting piece 9, a first groove 82 is arranged on one side of the protrusion 5 close to the elastic connecting piece 9, a second groove 83 is arranged on one side of the limiting block 8 close to the elastic connecting piece 9, the elastic connecting piece 9 is positioned between the first groove 82 and the second groove 83, in the embodiment, the elastic connecting piece 9 is a spring or other elastic connecting pieces 9, the elastic connecting piece 9 is clamped between the protrusion 5 and the limiting block 8, and bonding and the like can be adopted for better fixing of the elastic connecting piece 9; a rope threading groove 81 is also arranged on the limiting block 8 for facilitating the penetration and the penetration of the grass mowing rope;

in order to improve the working efficiency of the grass cutting head, two groups of rope outlet holes 6 are arranged and are respectively positioned at two ends of the cover body 2, and two groups are arranged in each group;

the cover plates 1 are arranged above the limiting grooves 7 respectively, so that the grass cutting rope can be prevented from sliding out when penetrating in and out on one hand, and the elastic connecting piece 9 can be prevented from popping out on the other hand; in order to improve the stability of integral installation, be equipped with well lid 3 between lid 2 and the bottom 4, bottom 4 is the cavity setting, can place well lid 3 in inside, the periphery of bottom 4 is equipped with fixed plate 12, be equipped with limiting plate 10 on the lid 2, be equipped with between limiting plate 10 and the arch 5 with fixed plate 12 assorted mounting hole 13, only need put into bottom 4 with well lid 3 earlier during the installation, then with the fixed plate 12 joint on the bottom 4 to the mounting hole 13 in, then install elastic connecting piece 9 and stopper 8, at last with apron 1 fix with screw on lid 2 can.

The using method comprises the following steps: after the grass mowing rope is installed, the limiting block 8 is pressed inwards, so that the rope threading groove 81 and the rope outlet holes 6 are positioned on the same horizontal plane and are communicated with each other, grass mowing ropes at two ends penetrate through one rope outlet hole 6 and then penetrate out of the other rope outlet hole 6, the limiting block 8 is loosened when the length of the grass mowing rope is moderate, and the grass mowing rope is fixed when the rope threading groove 81 and the rope outlet holes 6 are not positioned on the same horizontal plane; when the grass mowing rope needs to be replaced, the limiting block 8 only needs to be pressed inwards, and the grass mowing rope is pulled out.

In summary, by means of the technical scheme of the utility model, the limiting device is arranged between the bulge and the rope outlet hole, so that the grass beating rope can be controlled to penetrate in and out, and the grass beating rope can be conveniently replaced; the elastic connecting piece is arranged between the limiting block and the bulge, the first groove is formed in one side, close to the elastic connecting piece, of the bulge, the second groove is formed in one side, close to the elastic connecting piece, of the limiting block, and the elastic connecting piece is located between the first groove and the second groove, so that the elastic connecting piece can be better fixed while the limiting block is restored to the original position, and the elastic connecting piece is prevented from accidentally sliding off; the cover plate is arranged above the limiting groove, so that the grass mowing rope can be prevented from sliding out when penetrating in and out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A semi-automatic threading grass-mowing head is characterized by comprising a cover plate (1), a cover body (2) and a bottom cover (4) from top to bottom in sequence;

the cover body (2) faces towards the middle of one side of the cover plate (1) and upwards extends to form a protrusion (5), a rope outlet hole (6) is formed in the cover body (2), a limiting device is arranged between the protrusion (5) and the rope outlet hole (6), and the rope outlet hole (6) is communicated with the limiting device.

2. A semi-automatic threading grass-mowing head according to claim 1, characterized in that: stop device including set up in spacing groove (7) on apron (1), spacing groove (7) are located the both sides of arch (5), be equipped with stopper (8) in spacing groove (7), stopper (8) with spacing groove (7) sliding connection, go out rope hole (6) with spacing groove (7) are linked together elastic connecting piece (9).

3. A semi-automatic threading grass-mowing head according to claim 2, characterized in that: stopper (8) with be equipped with elastic connecting piece (9) between arch (5), arch (5) are close to be equipped with first recess (82) on one side of elastic connecting piece (9), stopper (8) are close to be equipped with second recess (83) on one side of elastic connecting piece (9), elastic connecting piece (9) are located between first recess (82) and second recess (83).

4. A semi-automatic threading grass-mowing head according to claim 3, characterized in that: the middle of the limiting block (8) is provided with a rope threading groove (81).

5. A semi-automatic threading grass-mowing head according to claim 4, characterized in that: the two rope outlet holes (6) are respectively positioned at two ends of the cover body (2), the number of the rope outlet holes (6) in each group is two, and the two rope outlet holes (6) in each group are respectively arranged at two sides of the limiting groove (7).

6. A semi-automatic threading grass-mowing head according to claim 5, characterized in that: the number of the cover plates (1) is two, and the two cover plates are respectively positioned above the limiting grooves (7).

7. A semi-automatic threading grass-mowing head according to claim 6, characterized in that: the bottom (4) is arranged in a hollow mode, a fixing plate (12) is arranged on the periphery of the bottom (4), a limiting plate (10) is arranged on the cover body (2), and a mounting hole (13) matched with the fixing plate (12) is formed between the limiting plate (10) and the protrusion (5).

8. A semi-automatic threading head of mowing according to claim 7, wherein: a middle cover (3) is arranged between the cover body (2) and the bottom cover (4).

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