CN215530025U

CN215530025U - Single-side automatic paying-off grass-mowing head

Info

Publication number: CN215530025U
Application number: CN202121657377.6U
Authority: CN
Inventors: 胡全宇; 张华�
Original assignee: 永康市茂金园林机械有限公司
Current assignee: Yongkang Puyuan Tools Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-01-18
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a single-side automatic paying-off and grass-mowing head which comprises a cover body, a shell and a winding structure, wherein the winding structure is arranged in the shell and connected with a grass-mowing rope, and is used as an improvement. The structure axis of the utility model passes through the frame body arranged on the axle center of the shell body, the counterweight preformed hole positioned in the middle of the tail part and the first counterweight part, so that the end part of the mowing rope is positioned at the position corresponding to the central point, the mowing is uniform and tidy, and the service life of the mowing head can be better prolonged.

Description

Single-side automatic paying-off grass-mowing head

Technical Field

The utility model relates to the field of grass mowing heads, in particular to a single-side automatic paying-off grass mowing head.

Background

The grass cutting head is a garden tool, is used for trimming a lawn, is a rotating mechanism of the grass cutter, can effectively cut weeds in small corners by trimming the lawn through the cutting rope, and is convenient and labor-saving.

The grass mowing head of the rear motor grass mowing machine sold and used in the market at present comprises a grass mowing head cover, a wire coil seat, a connector fixed on an output shaft, a grass mowing rope, a wire placing hole and a wire spool, wherein the output shaft of the structure drives the connector to rotate, the grass mowing rope is driven to rotate, and grass mowing is achieved.

The center of the existing grass mowing head is deviated frequently, so that the grass mowing rope is deviated and the grass mowing is uneven, the grass mowing effect is influenced, and the machine is damaged.

Disclosure of Invention

The utility model provides a grass mowing head which is reasonable in structural arrangement and capable of automatically paying off at a single side, and aims to solve the problems that when the grass mowing head is used in the prior art, a grass mowing rope is deviated and grass is unevenly mowed due to the fact that the grass mowing head is prone to center deviation, and the grass mowing effect is affected.

The technical scheme for solving the existing problems is as follows: the utility model provides a head is beaten to unilateral automatic unwrapping wire, includes lid, shell, sets up in shell in-connection and beats the wire winding structure of grass rope, as the improvement, the inside support body that still is equipped with the unwrapping wire slider and places location unwrapping wire slider of shell, the setting of casing axle center is crossed to the support body axis, the unwrapping wire slider is located afterbody intermediate position and is equipped with the counter weight preformed hole of placing first counterweight, the corresponding department of shell lateral wall is equipped with the clearing hole of placing the rope of beating grass.

As a further improvement, a second counterweight hole and a second counterweight part are respectively arranged at the positions of the frame body or/and the shell, which are positioned at the two sides of the front end of the pay-off slide block.

As a further improvement, the frame body or/and the shell are/is arranged at the opposite position of the grass mowing rope, and a third counterweight insertion hole for placing a third counterweight part is formed.

As a further improvement, the second counterweight part is a detachable screw.

As a further improvement, the third counterweight part is a counterweight bolt matched with the counterweight jack.

As a further improvement, the paying-off sliding block is provided with fourth jacks symmetrically provided with fourth counterweight parts at two sides of the counterweight reserved hole.

As a further improvement, the frame body is provided with a limiting groove for installing and positioning the pay-off slide block.

As a further improvement, a pay-off spring is arranged between the tail part of the pay-off sliding block and the frame body or/and the inner wall of the shell, one end of the pay-off spring is matched with the pay-off sliding block, and the other end of the pay-off spring is tightly propped against the corresponding part of the frame body or/and the shell.

Compared with the prior art, the grass mowing machine has the advantages that the axis of the frame body passes through the axis of the shell, the balance weight reserved hole for placing the first balance weight piece is formed in the middle of the tail of the line paying slide block, and the through hole for placing the grass mowing rope is formed in the side wall of the shell.

Further combine second, three or and four counterweight, through the cooperation of many counter weights structure, can make up the adjustment counter weight, make the rope end of mowing be in the central point position, the deviation is less than 0.1 millimeter, makes the grass mowing more even, neat, the better life who prolongs the head of mowing.

Drawings

FIG. 1 is a structural diagram of a single-side automatic line-releasing grass-mowing head of the utility model;

FIG. 2 is an internal structure view of the single-side automatic line-releasing grass-mowing head of the utility model;

FIG. 3 is an exploded view of the single-side automatic line-laying grass-mowing head provided by the utility model;

FIG. 4 is a structural view of a line-releasing slide block in the single-side automatic line-releasing grass-mowing head provided by the utility model.

The novel grass cutting machine comprises a shell, a frame body, a grass cutting rope, a grass cutting slide block, a paying-off spring, a fourth counterweight piece, a counterweight reserved hole, a 7 counterweight rope, a 8 counterweight piece, a third counterweight piece, a 9 counterweight jack, a third counterweight jack, a 10 counterweight hole, a second counterweight hole, a 11 counterweight piece, a 12 counterweight piece, a cover body, a 13 fan blade, a 31 counterweight hole, a limiting groove, a 71 winding structure, a 72 passing hole and a motor.

Detailed Description

Specific embodiments of the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-4, as shown in the drawings, a single-side automatic paying-off and grass-mowing head comprises a cover body 12, a shell 1 and a winding structure 71 which is arranged in the shell 1 and connected with a grass mowing rope 7, wherein fan blades 13 can be arranged at the bottom of the shell 1, a frame body 2 is usually arranged at the lower part of the shell 1, a paying-off slider 3 is placed and positioned on the frame body 2, and the axis of the paying-off slider 3 passes through the axis of the shell 1, so that the two sides of the paying-off slider 3 can be symmetrically arranged in the middle of the shell 1 by the frame body 2. The support body 2 can be provided with a limiting groove 31 for placing the positioning wire releasing slide block 3 or other prior art structures capable of placing the positioning wire releasing slide block 3. And a paying-off spring 4 or other existing positioning paying-off structures are arranged between the tail end of the paying-off sliding block 3 and the frame body 2 or/and the inner wall of the shell 1. One end of the pay-off spring 4 is matched with the pay-off slide block 3, and the other end of the pay-off spring is propped against the corresponding position of the frame body 2 or the shell 1. Usually, one end of the pay-off spring 4 is arranged in a mounting hole arranged at the tail end of the pay-off slide block 3, and the other end of the pay-off spring is propped against the inner side edge of the frame body 2.

The winding structure 71 is provided with a wire frame, the wire frame is provided with a gear set, the gear set is provided with an inner ring fluted disc and an outer ring fluted disc, and the wire releasing slide block 3 is provided with a first bayonet matched with the inner ring fluted disc and a second bayonet matched with the outer ring fluted disc.

The middle of 3 afterbody of unwrapping wire slider is equipped with the counter weight preformed hole 6 of placing first counterweight, counter weight preformed hole 6 is used for placing first counterweight, the corresponding department of shell 1 lateral wall is equipped with the via hole 72 of placing rope 7 of beating grass, and this corresponding prescription is just gone out rope department or current conventional design department. In actual operation, the material of the pay-off spring 4 is selected according to requirements, and the placement depth of the pay-off spring 4 is set.

And the frame body 2 or/and the edge of the shell 1 positioned at two sides of the front end of the pay-off slide block 3 are respectively provided with a second counterweight hole 10 and a second counterweight 11. The second weight port 10 may be used to quickly find a predetermined theoretical center point. Because the center caused by the moment of inertia deviates from the theoretical central point, the vibration is increased, and the use of the grass mowing head is influenced, and therefore the second counterweight 11 is additionally arranged. The second weight port 10 and the second weight 11 may preferably be provided inside the housing 1.

The second weight member 11 may be a detachable screw, and the weight may be adjusted, for example, by the length of the screw.

The frame body 2 or/and the shell 1 are/is arranged at the opposite position of the grass mowing rope 7 and provided with a third counterweight insertion hole 9 for placing a third counterweight 8, the third counterweight 8 and the third counterweight insertion hole 9 can be arranged at the position, rotated by 180 degrees, of the grass mowing rope 7 on the inner side of the frame body 2 or/and the shell 1 and can be arranged in an axisymmetric manner. The third weight member 8 and the third weight insertion hole 9 may preferably be provided inside the housing 1.

And fourth jacks 51 for symmetrically mounting the fourth counterweight parts 5 are arranged at two sides of the counterweight preformed hole 6 of the pay-off slide block 3.

When in use, the first weight part can be used as a main part, and the second weight part, the third weight part or/and the fourth weight part can also be further combined.

The above-mentioned each counterweight member can adopt counterweight bolt or other prior art's mating blocks according to the needs.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides a head is beaten to unilateral automatic unwrapping wire, includes lid, shell, sets up in the shell in-connection wire winding structure of beating the grass rope, its characterized in that: the inside support body that still is equipped with the unwrapping wire slider and places location unwrapping wire slider of shell, the casing axle center setting is crossed to the support body axis, the unwrapping wire slider is located afterbody intermediate position and is equipped with the counter weight preformed hole of placing first counterweight, the corresponding department of shell lateral wall is equipped with the clearing hole of placing the rope of beating grass.

2. The single-sided automatic line-laying grass-mowing head according to claim 1, wherein: and a second counterweight hole and a second counterweight part are respectively arranged at the positions of the frame body or/and the shell, which are positioned at the two sides of the front end of the pay-off slide block.

3. The single-sided automatic line-laying grass-mowing head according to claim 1 or 2, wherein: the frame body or/and the shell are/is positioned at the opposite position of the grass mowing rope, and a third counterweight insertion hole for placing a third counterweight piece is formed in the frame body or/and the shell.

4. The single-sided automatic line-laying grass-mowing head according to claim 2, wherein: the second counterweight part is a detachable screw.

5. The single-sided automatic line-laying grass-mowing head according to claim 3, wherein: the third counterweight part is a counterweight bolt matched with the counterweight jack.

6. The single-sided automatic line-laying grass-mowing head according to claim 1, wherein: and fourth jacks for symmetrically mounting fourth counterweight parts are arranged at two sides of the pay-off slide block, which are positioned at the counterweight preformed hole.

7. The single-sided automatic line-laying grass-mowing head according to claim 1 or 2, wherein: and the frame body is provided with a limiting groove for installing and positioning the pay-off slide block.

8. The single-sided automatic line-laying grass-mowing head according to claim 1, wherein: and a paying-off spring is arranged between the tail part of the paying-off sliding block and the frame body or/and the inner wall of the shell, one end of the paying-off spring is matched with the paying-off sliding block, and the other end of the paying-off spring is propped against the corresponding part of the frame body or/and the shell.