CN217116927U

CN217116927U - Grass mowing head and grass mowing machine using grass mowing head

Info

Publication number: CN217116927U
Application number: CN202122909265.1U
Authority: CN
Inventors: 何科峰; 何壮壮; 何彩芬; 王海伟; 成银华
Original assignee: Zhejiang Sunseeker Industrial Co ltd
Current assignee: Zhejiang Baima Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-08-05
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to a grass cutting head and use this grass cutting machine of grass cutting head, including the upper cover subassembly, the lower cover of detachable and upper cover subassembly combination, the upper cover subassembly is connected with the motor and is received motor drive, installs the blade in the upper cover subassembly and beats the subassembly or the subassembly is beaten grass to the rope formula, and the lateral wall of upper cover subassembly is equipped with an at least breach, and this breach department holds the blade and beats the subassembly or fix its lower cover when the subassembly is beaten grass to the installation rope formula. The utility model discloses the design of the biggest part upper cover subassembly of volume is as sharing piece in the head of will beating grass, only need corresponding cutter tool, the switching of two kinds of modes of beating grass can be accomplished to two kinds of subassemblies of rope and corresponding lower cover, it is thus visible, breach in the upper cover subassembly has played respectively and has provided the installation region for the blade subassembly of beating grass, and the rope of beating grass of this rope formula subassembly of beating grass sets up at lower cover middle part position, the position that the rope of beating grass was connected to the edge on the lower cover in the background art has been changed, the rope of beating grass when having overcome and forced and the lawn increase parabola of beating grass when beating grass, make the problem of the efficiency reduction when beating grass.

Description

Grass mowing head and grass mowing machine using grass mowing head

Technical Field

The utility model belongs to the technical field of garden instrument, concretely relates to head of beating grass.

Background

The grass mowing head on the existing grass mowing machine on the market can be in a rope, the type of exchange of the knives is not many, one main reason is that the rope in the prior art, two different grass mowing assemblies of the knives are designed to be structurally changed when the grass mowing head is used, the grass mowing machine is especially directed at the rope type grass mowing machine, the connecting mode of the grass mowing rope is improved to the upper edge position of the lower cover by the middle part of the lower cover, the grass mowing rope is increased in distance with the ground of the lawn, the grass mowing rope is forced to increase a grass mowing parabola with the lawn when grass mowing, the grass mowing efficiency is reduced, and the difficulty in controlling the flatness of the lawn is increased.

In addition, the grass cutting blade passes through the connecting piece plug-in type among the prior art scheme and installs on the inferior valve, this is in the operation of actually mowing grass, when the grass cutting blade runs into hard object, on the effort that the grass cutting blade received directly transmitted the inferior valve, inferior valve be integrated into one piece for this local position hardly carries out solitary enhancement processing, consequently this position suffers the damage in just making the inferior valve very easily, thereby needs to change whole inferior valve.

Disclosure of Invention

To the defect that above-mentioned prior art exists, the utility model aims to solve the technical problem that a grass mowing head is provided, this grass mowing head can install the subassembly of beating grass and the rope subassembly setting of beating grass of two kinds of differences of rope, sword and put at the lower cover middle part position.

The utility model aims at realizing through the following technical scheme: a grass cutting head comprises an upper cover assembly and a detachable lower cover combined with the upper cover assembly, wherein the upper cover assembly is connected with a motor and driven by the motor; when the second grass cutting component is installed, the second fixing part penetrates through the notch.

Preferably, when the blade grass cutting assembly is mounted in the upper cover assembly, the lower cover is a first lower cover combined with the upper cover assembly through a fastener, the upper cover assembly is a part with the largest volume in the whole grass cutting head, and the upper cover assembly is taken as a shared part, so that the blade grass cutting assembly, the rope grass cutting assembly and the corresponding lower cover can be correspondingly cut.

Preferably, when the rope type grass cutting assembly is installed in the upper cover assembly, the lower cover is a second lower cover with a second fixing portion, and when the second lower cover is combined with the upper cover assembly, the second fixing portion falls into the notch to form clamping. Therefore, the gap in the upper cover component plays a role in providing a mounting area when the blade grass mowing component is mounted, and plays a role in clamping the second lower cover when the rope grass mowing component is mounted.

Preferably, the rope grass cutting assembly is provided with at least one grass cutting rope, and at least one end part of the grass cutting rope extends out of the upper cover assembly.

Preferably, the side wall of the upper cover component is provided with a rope outlet through which the grass cutting rope passes. The rope outlet is used for limiting the position of the grass beating rope.

Preferably, the number of the rope outlet is matched with the number of the grass beating ropes and is correspondingly arranged.

Preferably, the blade grass cutting assembly comprises a blade hanging frame assembly, the blade hanging frame assembly comprises a detachable blade hanging frame connecting piece fixed on the side wall of the upper cover assembly, a blade hanging frame is arranged on the blade hanging frame connecting piece, and a blade is installed on the blade hanging frame through the connecting piece. This subassembly is beaten grass to blade installs the blade through setting up interconnect's part, and its assembled mode mainly cup joints, consequently connects conveniently.

Preferably, the first lower cover bottom part is pressed against the blade hanger, so that the position above and below the blade hanger is defined, and the blade hanger is defined by the gaps in the upper cover component on two sides, so that the position of the blade hanger is completely defined, and the blades on the blade hanger can be positioned through the connecting piece.

Preferably, the rope type grass mowing assembly comprises a wire winding disc assembly, the second lower cover covers the outside of the wire winding disc assembly, and a circular ring bulge is arranged at the bottom of the second lower cover and abuts against the upper end face of the wire winding disc assembly. The second lower cover carries out integral surrounding protection on the wire winding disc, and the wire winding disc assembly is pressed by the annular bulge, so that the wire winding disc assembly can be positioned when the buckling connection of the second lower cover is completed.

To sum up, compared with the prior art, the utility model has the following advantages:

the utility model designs the upper cover component of the component with the largest volume in the grass mowing head as a shared component, thus, the switching of grass mowing modes can be completed only by a corresponding cutter, a rope and a corresponding lower cover, the upper cover component is connected with a motor and driven by the motor to rotate, a blade grass mowing component or a rope grass mowing component is selectively installed in the upper cover component as required, the side wall of the upper cover component is provided with at least one notch, the notch is used for accommodating the blade grass mowing component or fixing the lower cover when the rope grass mowing component is installed, therefore, the notch in the upper cover component respectively plays the roles of providing an installation area for the blade grass mowing component and clamping a second lower cover for the rope grass mowing component, the grass mowing rope of the rope grass mowing component is arranged in the middle position of the lower cover, the position of the grass mowing rope connected to the upper edge of the lower cover in the background technology is changed, thereby overcoming the problem that the grass mowing rope is forced to increase grass mowing parabola with the lawn when grass mowing, so that the efficiency is reduced when grass is cut.

Drawings

FIG. 1 is a schematic view of the grass cutting assembly of the present invention, with the side facing upward facing the lawn during operation;

FIG. 2 is a front view of the utility model after installing the rope grass cutting assembly, wherein the upward side of the utility model is opposite to the lawn during working;

FIG. 3 is an exploded view of the components of the present invention after installation of the blade mowing assembly, with the upward side of the drawing in operation relative to a lawn;

FIG. 4 is an exploded view of the components of the present invention after installation of the rope grass cutting assembly, with the upward side of the drawing in operation relative to the lawn;

FIG. 5 is a semi-sectional view of the utility model after installation of the blade mowing assembly, with the side facing upward in the drawing in operation relative to a lawn;

fig. 6 is a half-sectional view of the utility model after installing the rope grass mowing assembly, wherein the upward side of the drawing is on the relative lawn during working.

The labels in the figure are:

an upper cover assembly 001; a rope outlet 002; a notch 003; an attachment portion 004; a fastener 005; a longitudinal rib 006; a circular ring projection 007; a first lower cover 01; a second lower cover 02; a first mowing assembly 10; a first cutting member 11; a first fixed portion 12; a second grass cutting assembly 20; a second cutter 21; a second fixed portion 22; a blade mowing assembly 100; a blade hanger assembly 110; a blade hanger attachment 111; a blade hanger 112; a connecting member 113; a blade 114; a string mowing assembly 200; a wire spool assembly 210; a grass cutting rope 211.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1:

as shown in fig. 1, 3 and 5, a grass cutting head comprises an upper cover assembly 001 and a first lower cover 01 detachably connected with the upper cover assembly 001 in a combined manner, wherein a mounting part 004 connected with a motor shaft of a motor is arranged in the upper cover assembly 001, the upper cover assembly 001 is driven by the motor to rotate, and a first grass cutting assembly 10 or a second grass cutting assembly 20 is mounted in the upper cover assembly 001.

When the blade mowing assembly 100 is installed in the upper cover assembly 001, see fig. 3, the lower cover is the first lower cover 01 combined with the upper cover assembly 001 by the fasteners 005.

As shown in fig. 3, the blade mowing assembly 100 includes a blade hanger assembly 110, the blade hanger assembly 110 includes a blade hanger connecting member 111 detachably fixed to a side wall of the upper cover assembly 001, the blade hanger connecting member 111 is clamped between the upper cover assembly 001 and the first lower cover 01, a protrusion is provided on the blade hanger connecting member 111, a blade hanger 112 is sleeved on the protrusion, a blade 114 is mounted on the blade hanger 112 by providing a connecting member 113, the bottom of the first lower cover 01 is pressed against the blade hanger 112, so that the positions above and below the blade hanger 112 are defined, and the positions of the blade hanger 112 on both sides are defined by a notch 003 in the upper cover assembly 001, so that the position of the blade hanger 112 is completely defined, and the blade 114 thereon can be positioned by the connecting member 113.

One end of the blade hanger 112 protrudes outside the upper cover assembly 001 at the other end in the upper cover assembly 001, wherein a mounting hole for mounting the reinforcing connection member 113 is provided at a portion protruding outside the upper cover assembly 001, and further, the mounting hole has a reinforcing portion 115 with a reinforced wall thickness.

The installation step:

installing blade subassembly 100 of beating grass, place blade stores pylon connecting piece 111 in the upper cover subassembly 001 earlier, see fig. 3, the both ends correspondence of blade stores pylon connecting piece 111 falls into breach 003 in, cup joint blade stores pylon 112 to stores pylon connecting piece 111 on, first lower cover 01 passes through the bolt and accomplishes the built-up connection with upper cover subassembly 001, and first lower cover 01 bottom withstands blade stores pylon 112, for increasing to withstand the pressure intensity, corresponding abrupt muscle can be established to first lower cover 01 bottom, blade 114 is installing the blade stores pylon 112 through connecting piece 113, from this the completion is connected.

Example 2:

as shown in fig. 2, 4 and 6, a grass cutting head comprises an upper cover assembly 001 and a second lower cover 02 detachably connected with the upper cover assembly 001 in a combined manner, wherein the upper cover assembly 001 is connected with a motor and driven by the motor to rotate, at least one notch 003 is arranged on the side wall of the upper cover assembly 001, as shown in fig. 3, 2 notches 003 are arranged in the embodiment, and when the rope grass cutting assembly 200 is used, the notches 003 provide space for the second fixing part 22 in the second lower cover 02 to be clamped.

The second lower cover 02 is shown in fig. 4, and has a second fixing portion 22, and when the second lower cover 02 is combined with the upper cover component 001, the second fixing portion 22 falls into the notch 003 to form a clamping.

The rope grass cutting assembly 200 is provided with at least one grass cutting rope 211, in the embodiment, one grass cutting rope is wound on the wire coil, two ends of the grass cutting rope extend out of the wire coil, and at least one end of the grass cutting rope 211 extends out of the upper cover assembly 001.

The side wall of the upper cover component 001 is provided with a rope outlet 002 through which the grass cutting rope 211 passes. The rope outlet 002 is used for limiting the position of the grass cutting rope 211.

As shown in fig. 4, the string type grass cutting assembly 200 includes a wire winding disc assembly 210, a second lower cover 02 covers the outside of the wire winding disc assembly 210, a circular ring protrusion 007 is arranged at the bottom of the second lower cover 02, and the circular ring protrusion 007 abuts against the upper end surface of the wire winding disc assembly 210. The second lower cover 02 integrally surrounds and protects the wire coil, and the circular ring protrusion 007 presses the wire coil assembly 210, so that the wire coil assembly 210 can be positioned when the fastening of the second lower cover 02 is completed.

Further, set up two on the both sides edge inside wall of breach 003 and indulge muscle 006, play the effect of strengthening to breach 003, also can carry out the effect that the lock joint guided when operating to second lower cover 02 simultaneously.

Switching installation:

firstly, the components of the first lower cover 01, the blade hanger connecting piece 111, the blade hanger 112, the connecting piece 113 and the blade 114 in the blade mowing assembly 100 are correspondingly removed according to the reverse order of the assembly, then the wire coil assembly 210 is assembled into the upper cover assembly 001, then the second fixing part 22 in the second lower cover 02 is pressed downwards according to the position of the gap 003, two longitudinal ribs arranged at the two edges of the gap 003 play a guiding role for the second fixing part 22, the second lower cover 02 is made of elastic material, so that the second fixing part 22 has better elastic recovery capability, when the second fixing part 22 enters the inner wall of the second lower cover 02, the second fixing part 22 is extruded and deformed to retract inwards until the second fixing part 22 falls into the gap 003, the second fixing part 22 recovers to the original position, the fastening is completed, the bottom of the second lower cover 02 is further provided with a circular ring bulge, and then, after the fastening is completed 007, the annular protrusion 007 abuts against the upper end surface of the wire coil assembly 210, so that the connection integrity is better.

In the two embodiments, the cover assembly 001 needs to be designed to be common in two modes of the two embodiments, and for this reason, the notches 003 formed on the side walls of the cover assembly 001 perform different functions in different modes, which are: when the blade mowing mode is used, the notch 003 provides a mounting area for the blade mowing assembly 100; when the rope grass cutting assembly 200 is used, the gap 003 provides a space for the second fixing part 22 in the second lower cover 02 to be clamped, so that the parts required to be replaced in the two grass cutting modes are relatively independent and small parts, and the production, manufacturing and maintenance cost can be correspondingly reduced.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A grass cutting head comprises an upper cover assembly (001) and a detachable lower cover combined with the upper cover assembly (001), wherein the upper cover assembly (001) is connected with a motor and driven by the motor, the grass cutting head is characterized in that a first grass cutting assembly (10) or a second grass cutting assembly (20) is installed in the upper cover assembly (001), the side wall of the upper cover assembly (001) is provided with at least one notch (003), the first grass cutting assembly (10) comprises a first cutting piece (11) and a first fixing part (12), the second grass cutting assembly (20) comprises a second cutting piece (21) and a second fixing part (22), and the notch (003) is constructed in a way that when the first grass cutting assembly (10) is installed, the first cutting piece (11) penetrates through the notch (003); when the second grass cutting component (20) is installed, the second fixing part (22) penetrates through the notch (003).

2. Grass-cutting head according to claim 1, characterized in that said first cutting member (11) is a blade grass-cutting assembly (100) and the second cutting member (21) is a string grass-cutting assembly (200).

3. The grass-mowing head according to claim 2, characterized in that, when the blade grass-mowing assembly (100) is mounted in the upper cover assembly (001), the lower cover is a first lower cover (01) combined with the upper cover assembly (001) by means of fasteners (005).

4. Grass-mowing head according to claim 2, characterized in that, when the string-mowing assembly (200) is mounted in the upper cover assembly (001), the lower cover is a second lower cover (02), and the second fixing portion (22) is provided in the second lower cover (02).

5. Grass-mowing head according to claim 2, characterized in that the string-type grass-mowing assembly (200) is provided with at least one grass-mowing cord (211), and at least one end of the grass-mowing cord (211) protrudes from the upper cover assembly (001).

6. Grass-mowing head according to claim 5, characterized in that the side wall of the upper cover assembly (001) is provided with a rope outlet (002) through which a grass-mowing rope (211) passes.

7. Grass-mowing head according to claim 6, characterized in that the number of the rope outlets (002) is arranged to match the number of the grass-mowing ropes (211).

8. The grass-mowing head according to claim 3, wherein the blade grass-mowing assembly (100) comprises a blade hanger assembly (110), the blade hanger assembly (110) comprises a blade hanger connecting piece (111) detachably fixed on the side wall of the upper cover assembly (001), a blade hanger (112) is arranged on the blade hanger connecting piece (111), and a blade (114) is arranged on the blade hanger (112) through a connecting piece (113).

9. Grass-mowing head according to claim 8, characterized in that the bottom of the first lower cover (01) bears against the blade hanger (112).

10. The grass-mowing head according to claim 4, characterized in that the string-type grass-mowing assembly (200) comprises a reel assembly (210), a second lower cover (02) covers the outside of the reel assembly (210), and a circular ring bulge (007) is arranged at the bottom of the second lower cover (02), wherein the circular ring bulge (007) is pressed against the upper end face of the reel assembly (210).

11. The utility model provides a machine of beating grass which characterized in that: having a grass-mowing head as claimed in any of claims 1 to 10.