CN217241464U - Cutter head height adjusting mechanism of mower - Google Patents
Cutter head height adjusting mechanism of mower Download PDFInfo
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- CN217241464U CN217241464U CN202220899876.4U CN202220899876U CN217241464U CN 217241464 U CN217241464 U CN 217241464U CN 202220899876 U CN202220899876 U CN 202220899876U CN 217241464 U CN217241464 U CN 217241464U
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- mower
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Abstract
The utility model relates to a cutter head height adjusting mechanism of a mower, which comprises a height adjusting knob arranged on the main body of the mower and a height rotating bracket fixedly connected with the height adjusting knob, wherein the end part of the height rotating bracket is provided with a motor cutter head component; the motor cutter head assembly comprises an upper height-adjusting limiting bracket, a shell seat connected with the upper height-adjusting limiting bracket, a motor arranged in the shell seat and a cutter head connected with the motor; the end part of the height rotating support is provided with a convex block, the end part of the height adjusting limiting upper support is provided with a spiral guide surface, the convex block is in contact with the spiral guide surface, and the mechanism is higher in operation precision when the height of the cutter disc is adjusted.
Description
Technical Field
The utility model belongs to the technical field of the lawn mower structure and specifically relates to a blade disc height adjusting mechanism of lawn mower is related to.
Background
Mowers are also known as weed trimmers, lawnmowers, lawn mowers, and the like. The mower is a mechanical tool for trimming lawn and vegetation, and is composed of cutter head, engine, walking wheels, walking mechanism, blades, handrail and control unit. The cutter head is arranged on the travelling wheel, the engine is arranged on the cutter head, the blade is arranged on the output shaft of the engine, the blade is greatly improved in speed by utilizing the high-speed rotation of the engine, the operation time of weeding workers is saved, and a large amount of manpower resources are reduced.
Lawn mower is at the in-process of weeding, according to the difference of the degree of depth of mowing, needs to correspond the height of adjusting the blade disc, and present operation mode is, changes the mounted position of blade disc through the manual work, and the in-process of actual operation, the highly loaded down with trivial details problem of adjusting exists of blade disc, and moreover, blade disc mounting height adjustment precision is not high, and this patent is based on current technical problem, improves the blade disc height adjustment mechanism of lawn mower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a cutter head height adjusting mechanism of a mower.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a cutter head height adjusting mechanism of a mower comprises a height adjusting knob and a height rotating support, wherein the height adjusting knob is installed on a mower main body, the height rotating support is fixedly connected with the height adjusting knob, and a motor cutter head assembly is arranged at the end part of the height rotating support;
the motor cutter head assembly comprises an upper height-adjusting limiting bracket, a shell seat connected with the upper height-adjusting limiting bracket, a motor arranged in the shell seat and a cutter head connected with the motor;
the tip of high runing rest is equipped with the lug, and the tip of adjusting the spacing upper bracket of height is equipped with the spiral spigot surface, lug and spiral spigot surface contact.
Further, install the base in the lawn mower main part, install the guide positioning pole on the base, the cover is equipped with reset spring on the guide positioning pole, reset spring's one end is contradicted with the base, and the other end is contradicted with the spacing upper bracket of height-adjusting.
Furthermore, the top of the high-degree rotating support is provided with a positioning tooth, an upper cover is arranged above the high-degree rotating support, and a limiting tooth meshed with the positioning tooth is arranged on the upper cover.
Furthermore, the upper cover is provided with a plurality of heightening gears corresponding to the heightening knob, and each heightening gear corresponds to different height identification scales.
Further, the projection and the height rotating bracket are integrally formed.
Furthermore, the heightening knob is provided with an indicating port corresponding to the heightening gear.
Further, the spiral guide surface is located at the top of the projection.
The utility model has the advantages that: when the mechanism adjusts the height of the cutter head, firstly, the height adjusting knob is pressed down by hands to separate the positioning teeth on the height rotating bracket from the limiting teeth of the upper cover, then the height adjusting knob is rotated to drive the height rotating bracket to rotate, the convex block on the height rotating bracket extrudes the spiral guide surface of the height adjusting limit upper bracket, in the process of gradual extrusion, the height of the upper bracket for adjusting the height limit is correspondingly changed, the heights of the shell seat connected with the upper bracket for adjusting the height limit, the motor inside the shell seat and the cutter head are correspondingly changed, after the height of the cutter head is changed, the height adjusting knob is loosened by hands, under the elastic force action of the reset spring, the motor cutter head assembly and the height rotating support move upwards, and the positioning teeth at the top of the height rotating support are meshed with the limiting teeth of the upper cover again, so that the height rotating support can be limited and fixed, and the problem of gear jumping is prevented;
in addition, the upper cover is provided with a plurality of height-adjusting gears corresponding to the height-adjusting knob, each height-adjusting gear corresponds to different height identification scales, the height-adjusting knob is provided with an indicating port corresponding to the height-adjusting gear, after the height-adjusting knob is rotated, when the indicating port points to different height-adjusting gears, the cutter head can be adjusted to the corresponding height position, and the mechanism is higher in operation precision when the height of the cutter head is adjusted.
Drawings
Fig. 1 is a schematic structural view before the height of the cutter head is adjusted;
fig. 2 is a schematic structural view of the height-adjusted cutter head of the present invention;
FIG. 3 is a schematic view of the structure of the high-rotation support of the present invention;
FIG. 4 is a schematic view of the height-adjustable support and the height-adjustable upper support of the present invention;
fig. 5 is a schematic top view of the present invention;
fig. 6 is a schematic view of the high-rotation support and the upper cover of the present invention.
Detailed Description
As shown in fig. 1 to 6, a cutter head height adjusting mechanism of a mower comprises a height adjusting knob 2 mounted on a mower body 1, a height rotating bracket 3 fixedly connected with the height adjusting knob 2, and a motor cutter head assembly arranged at the end of the height rotating bracket 3;
the motor cutter head assembly comprises an upper height-adjusting limit bracket 4, a shell seat 5 connected with the upper height-adjusting limit bracket 4, a motor 6 arranged in the shell seat 5 and a cutter head 7 connected with the motor 6;
the tip of high runing rest 3 is equipped with lug 8, lug 8 and high runing rest 3 integrated into one piece, and the tip of adjusting high spacing upper bracket 4 is equipped with spiral guide surface 9, lug 8 and the contact of spiral guide surface 9.
Further, install base 10 on the lawn mower main part 1, install guiding orientation pole 11 on the base 10, the cover is equipped with reset spring 12 on the guiding orientation pole 11, and reset spring 12's one end is contradicted with base 10, and the other end is contradicted with spacing upper bracket 4 of height-adjusting.
Furthermore, the top of the high rotating bracket 3 is provided with a positioning tooth 13, an upper cover 14 is arranged above the high rotating bracket 4, and the upper cover 14 is provided with a limiting tooth 15 meshed with the positioning tooth 13.
Furthermore, a plurality of height-adjusting gears 16 corresponding to the height-adjusting knob 2 are arranged on the upper cover 14, and each height-adjusting gear 16 corresponds to a different height marking scale.
In addition, the heightening knob 2 is provided with an indicating port 17 corresponding to the heightening gear 16, and the spiral guide surface 9 is positioned at the top of the convex block 8.
To sum up, when the height of the cutter head 7 is adjusted by the mechanism, firstly, a human hand presses down the height-adjusting knob 2 to separate the positioning teeth 13 on the height-rotating bracket 3 from the limit teeth 15 of the upper cover, then the height-adjusting knob 2 is rotated, the height-adjusting knob 2 drives the height-rotating bracket 3 to rotate, the projection 8 on the height-rotating bracket 3 extrudes the spiral guide surface 9 of the height-adjusting limit upper bracket 4, the height of the height-adjusting limit upper bracket 4 correspondingly changes in the process of gradual extrusion, the shell seat 10 connected with the height-adjusting limit upper bracket 4 and the height of the motor 6 and the cutter head 7 in the shell seat 10 correspondingly change, after the height of the cutter head 7 changes, the human hand loosens the height-adjusting knob 2, the motor cutter head assembly and the height-rotating bracket 3 move upwards under the elastic force of the return spring 12, the positioning teeth 13 at the top of the height-rotating bracket 3 are meshed with the limit teeth 15 of the upper cover 14 again, the rotary bracket 3 with fixed height can be limited, and the problem of gear jumping is prevented;
in addition, a plurality of height-adjusting gears 16 corresponding to the height-adjusting knob 2 are arranged on the upper cover 14, each height-adjusting gear 16 corresponds to different height marking scales, an indicating port 17 corresponding to the height-adjusting gear 16 is arranged on the height-adjusting knob 2, after the height-adjusting knob 2 is rotated, when the indicating port 17 points to different height-adjusting gears 16, the cutter head 7 can be adjusted to the corresponding height position, and the mechanism is high in operation precision when the height of the cutter head is adjusted.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A cutter head height adjusting mechanism of a mower is characterized by comprising a height adjusting knob and a height rotating support, wherein the height adjusting knob is installed on a mower main body;
the motor cutter head assembly comprises an upper height-adjusting limiting bracket, a shell seat connected with the upper height-adjusting limiting bracket, a motor arranged in the shell seat and a cutter head connected with the motor;
the end part of the height-adjustable support is provided with a convex block, the end part of the height-adjustable limiting upper support is provided with a spiral guide surface, and the convex block is in contact with the spiral guide surface.
2. The cutter head height adjusting mechanism of a mower according to claim 1, wherein a base is mounted on the mower main body, a guiding and positioning rod is mounted on the base, a return spring is sleeved on the guiding and positioning rod, one end of the return spring abuts against the base, and the other end of the return spring abuts against the height-adjusting limit upper bracket.
3. The cutter head height adjusting mechanism of a mower according to claim 1, wherein a positioning tooth is provided on the top of the height rotating bracket, an upper cover is provided above the height rotating bracket, and a limit tooth engaged with the positioning tooth is provided on the upper cover.
4. The cutter head height adjusting mechanism of a lawn mower according to claim 3, wherein a plurality of height-adjusting gears corresponding to the height-adjusting knob are provided on the upper cover, and each height-adjusting gear corresponds to a different height marking scale.
5. The deck height adjustment mechanism of a lawnmower according to claim 3, wherein said projection is integrally formed with said height rotating bracket.
6. The cutter head height adjusting mechanism of a lawn mower according to claim 4, wherein said height adjusting knob is provided with an indicating opening corresponding to said height adjusting gear.
7. The deck height adjustment mechanism of a lawnmower according to claim 1, wherein said helical guide surface is located at the top of said projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899876.4U CN217241464U (en) | 2022-04-19 | 2022-04-19 | Cutter head height adjusting mechanism of mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899876.4U CN217241464U (en) | 2022-04-19 | 2022-04-19 | Cutter head height adjusting mechanism of mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217241464U true CN217241464U (en) | 2022-08-23 |
Family
ID=82876043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220899876.4U Active CN217241464U (en) | 2022-04-19 | 2022-04-19 | Cutter head height adjusting mechanism of mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217241464U (en) |
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2022
- 2022-04-19 CN CN202220899876.4U patent/CN217241464U/en active Active
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