CN219981559U - Height adjusting structure of motor cutter head assembly of mower - Google Patents
Height adjusting structure of motor cutter head assembly of mower Download PDFInfo
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- CN219981559U CN219981559U CN202321505199.4U CN202321505199U CN219981559U CN 219981559 U CN219981559 U CN 219981559U CN 202321505199 U CN202321505199 U CN 202321505199U CN 219981559 U CN219981559 U CN 219981559U
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 238000009333 weeding Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Abstract
The utility model discloses a height adjusting structure of a motor cutter head assembly of a mower, which comprises a main body, wherein a mounting cavity is arranged on the main body, and a height adjusting mechanism and a cutting mechanism are arranged in the mounting cavity; the height adjusting mechanism comprises an adjusting outer ring rotatably arranged in the mounting cavity, an adjusting inner ring in threaded connection with the adjusting outer ring, and a mounting bracket connected with the adjusting inner ring, and the cutting mechanism is arranged on the mounting bracket and moves up and down along with the adjusting inner ring; the outer periphery of the adjusting outer ring is provided with a tooth part, and the main body is provided with a positioning block clamped with the tooth part, so that the mounting bracket is fixed at the current height.
Description
Technical Field
The utility model relates to the technical field of mowers, in particular to a height adjusting structure of a motor cutter head assembly of a mowing machine.
Background
The utility model is a great progress of human civilization, and the utility model is characterized in that the agricultural mechanization is developed, the working efficiency is improved, the agricultural production efficiency is improved, the agricultural machine is an important tool for agricultural production, the crop yield is most directly affected. The mower is also called as weeding machine, grass mower, lawn trimmer and the like, is a mechanical tool for trimming lawns, vegetation and the like, and is divided into a diesel engine and a gasoline engine. The device consists of a cutter head, an engine, travelling wheels, a travelling mechanism, blades, armrests, a control part and the like. The blade utilizes the high-speed rotation output speed of the engine to greatly improve, saves the operation time of weeding workers, and reduces a large amount of human resources. In countries where animal husbandry is highly developed mechanically, research on new lawnmowers is evolving towards high speed, energy saving.
However, the existing mower has the following defects: the height adjustment of the blade of the existing mower is basically realized in a mode that the blade is firstly detached and then mounted to different heights, the mower is required to be powered off, and a great deal of time is required to detach and mount the blade after the mower is overturned, so that the mowing efficiency is influenced.
Disclosure of Invention
In order to solve the technical problems in the background art, the utility model provides a height adjusting structure of a motor cutter head assembly of a mower.
The utility model solves the technical problems by adopting the following technical scheme:
the motor cutter head assembly height adjusting structure of the mower comprises a main body, wherein an installation cavity is formed in the main body, and a height adjusting mechanism and a cutting mechanism are arranged in the installation cavity;
the height adjusting mechanism comprises a knob rotatably arranged on the main body, an adjusting outer ring rotatably arranged in the mounting cavity, an adjusting inner ring in threaded connection with the adjusting outer ring, and a mounting bracket connected with the adjusting inner ring, wherein the cutting mechanism is arranged on the mounting bracket and moves up and down along with the adjusting inner ring;
the outer periphery of the adjusting outer ring is provided with a tooth part, and the main body is provided with a positioning block clamped with the tooth part, so that the mounting bracket is fixed at the current height.
Preferably, a sliding groove for sliding the positioning block is formed in the main body, a positioning column is arranged on the sliding groove, the positioning block is sleeved on the positioning column, and an elastic element is arranged between the positioning column and the positioning block. Through above improvement, elastic element one end and reference column butt, the other end and locating piece butt to make the locating piece all the time towards adjusting the action of outer lane, make the tip of locating piece put into between the tooth, adjust the outer lane and fix, avoid adjusting the outer rotation of circle, cause the trip stop.
Preferably, the positioning column is provided with a limiting convex part, and the positioning block is provided with a limiting groove for placing the limiting convex part. Through above improvement, the spacing convex part is put into at the spacing groove for the locating piece can only slide in the stroke of spacing groove, avoids the locating piece to produce too big under too big effect of adjusting the outer lane, leads to unable turning to the knob, and keeps elastic element to act in prescribed stroke all the time, has further increased life.
Preferably, a spiral convex part is formed on the periphery of the adjusting inner ring, and a spiral groove matched with the spiral convex part is formed on the adjusting outer ring. Through the improvement, the spiral convex part is matched with the spiral groove, so that the inner ring moves along the spiral direction, and the rotary blade vertically moves up and down.
Preferably, the main body is provided with a dial gauge, the dial gauge is provided with a plurality of height parameters, the dial gauge is provided with an alignment groove opposite to the height parameters, and the knob is provided with an indication groove opposite to the alignment groove. Through the improvement, the indication groove on the rotary knob is aligned with the alignment groove with opposite height parameters to indicate the height of the rotary blade, so that the visualization of height adjustment is realized. Is more convenient for operators to use.
Preferably, the main body is formed with a ring groove into which the knob is inserted. Through the improvement, the annular groove guides the circumference side of the knob, so that the rotation is more stable.
Preferably, an annular protrusion is formed on the circumferential side of the adjusting inner ring, and a fixing groove for placing the annular protrusion is formed on the mounting bracket. Through the improvement, the stability of connection between the inner ring and the mounting bracket in the rotation process is improved.
Preferably, a positioning ring is arranged in the main body in an inward rotating manner, the circumferential side of the positioning ring is abutted against the positioning block, and a through groove for the positioning block to pass through is formed in the positioning ring. Through the improvement, when the cutting machine needs to be adjusted, the positioning ring can be rotated to enable the positioning block to be abutted with the circumferential side of the positioning ring, and after the adjustment is completed, the positioning ring can be rotated to enable the positioning block to pass through the groove to be abutted with the tooth part on the circumferential side of the adjusting outer ring.
Preferably, arc-shaped guide surfaces are formed on two sides of the through groove. Through the improvement, the arc-shaped guide surface provides guide for the positioning block, so that the positioning block can be inserted into or separated from the positioning block more smoothly in the rotating process of the positioning ring.
Preferably, the positioning ring is provided with a rotating part for rotating the hand, and the main body is provided with an adjusting groove for rotating the rotating part. Through above improvement, rotate the rotation portion that exposes the main part with the hand to the tooth portion butt of control locating piece and regulation outer lane week side is convenient for user daily use more.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the adjusting outer ring is driven to rotate through the rotating knob, and the adjusting inner ring is in threaded connection with the adjusting outer ring along with the rotation of the adjusting outer ring, so that the adjusting inner ring vertically drives the mounting bracket provided with the driving unit to move, when the knob drives the adjusting outer ring to rotate, the tooth part is arranged on the periphery of the adjusting outer ring, the positioning block clamped with the tooth part is arranged on the main body, and when the adjusting outer ring stops rotating, the positioning block can be clamped with the tooth part, so that the mounting bracket is kept at the current height, and the situation that a jump gear occurs in the using process of the mower is avoided.
Drawings
FIG. 1 is a schematic overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a schematic view of a mowing structure according to the present utility model;
FIG. 4 is a cross-sectional view of a mowing structure of the present utility model;
FIG. 5 is an exploded view of the mowing structure of the present utility model;
FIG. 6 is a schematic view of the structure of the inside of the main body of the present utility model;
FIG. 7 is a schematic view of the positioning block of the present utility model;
FIG. 8 is a schematic overall structure of a second embodiment of the present utility model;
FIG. 9 is a schematic view of a retaining ring according to the present utility model;
FIG. 10 is a schematic view of the structure of the upper part of the second body of the embodiment of the present utility model;
in the figure: 1. a main body; 2. a mounting cavity; 3. a height adjusting mechanism; 4. a cutting mechanism; 101. a knob; 102. adjusting an outer ring; 103. adjusting the inner ring; 104. a mounting bracket; 105. a driving unit; 106. a rotary blade; 107. a tooth portion; 108. a positioning block; 201. a sliding groove; 202. positioning columns; 203. an elastic element; 204. a limit protrusion; 205. a limit groove; 206. a spiral protrusion; 207. a spiral groove; 301. a scale; 302. alignment grooves; 303. an indication groove; 304. a ring groove; 305. an annular convex portion; 306. a fixing groove; 401. a positioning ring; 402. trough passing; 403. an arc-shaped guide surface; 404. a rotating part; 405. an adjustment tank;
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding and are not used to define any directional or sequential limitation.
Example 1
The utility model provides a motor cutter head subassembly height adjustment structure of lawn mower, includes main part 1, is equipped with installation cavity 2 on the main part 1, is provided with height adjustment mechanism 3 and cutting mechanism 4 in the installation cavity 2;
further, the height adjusting mechanism 3 comprises a knob 101 rotatably arranged on the main body 1, an adjusting outer ring 102 rotatably arranged in the mounting cavity 2, an adjusting inner ring 103 in threaded connection with the adjusting outer ring 102, a mounting bracket 104 connected with the adjusting inner ring 103, the cutting mechanism 4 arranged on the mounting bracket 104, the cutting mechanism 4 comprises a driving unit 105 arranged in the mounting bracket 104, and a rotary blade 106 connected with the output end of the driving unit 105, the knob 101 is rotated to enable the adjusting outer ring 102 to rotate, so that the adjusting inner ring 103 moves up and down and drives the cutting mechanism 4 to move up and down, a tooth part 107 is formed on the periphery of the adjusting outer ring 102, and a positioning block 108 clamped with the tooth part 107 is formed on the main body 1 so that the mounting bracket 104 is fixed at the current height.
Specifically, the adjusting outer ring 102 is driven to rotate by the rotating knob 101, and the adjusting inner ring 103 and the adjusting outer ring 102 are in threaded connection, so that the adjusting inner ring 103 vertically moves up and down along with the rotation of the adjusting outer ring 102 and drives the mounting bracket 104 to move, the height adjustment of the cutting mechanism 4 is achieved, the tooth part 107 is formed on the periphery of the adjusting outer ring 102, the positioning block 108 clamped with the tooth part 107 is formed on the main body 1, and when the adjusting outer ring 102 stops rotating, the positioning block 108 is clamped with the tooth part 107, so that the mounting bracket 104 is kept at the current height, and the condition that a jump gear occurs in the using process of the mower is avoided.
As shown in fig. 6 and 7, as a further explanation of the implementation of the positioning block 108 in this embodiment, a sliding groove 201 for sliding the positioning block 108 is formed in the main body 1, a positioning column 202 is disposed on the sliding groove 201, the positioning block 108 is sleeved on the positioning column 202, an elastic element 203 is disposed between the positioning column 202 and the positioning block 108, one end of the elastic element 203 abuts against the positioning column 202, and the other end abuts against the positioning block 108, so that the positioning block 108 always moves towards the adjusting outer ring 102, and the end of the positioning block 108 is placed between the teeth 107, so that the adjusting outer ring 102 is fixed, and the outer rotation of the adjusting ring is avoided, thereby avoiding gear jump.
Preferably, the positioning post 202 is formed with a limit protrusion 204, and the positioning block 108 is formed with a limit groove 205 into which the limit protrusion 204 is placed, so that the positioning block 108 can only slide in the stroke of the limit groove 205, thereby avoiding the situation that the positioning block 108 is too large under the oversized action of the adjusting outer ring 102 and can not turn to the knob 101, and keeping the elastic element 203 to act in the prescribed stroke all the time, and further prolonging the service life.
As shown in fig. 4 and 5, regarding further explanation of the fitting of the adjusting outer ring 102 with the adjusting inner ring 103 in the present embodiment, the adjusting inner ring 103 is formed with a spiral protrusion 206 at the outer periphery thereof, the adjusting outer ring 102 is formed with a spiral groove 207 fitted with the spiral protrusion 206, and the inner ring is moved in the spiral direction by the engagement of the spiral protrusion 206 with the spiral groove 207 to realize the vertical up-and-down movement of the rotary blade 106.
As shown in fig. 1, further, a scale 301 is provided on the main body 1, a plurality of height parameters are provided on the scale 301, an alignment groove 302 opposite to the height parameters is provided on the scale 301, an indication groove 303 opposite to the alignment groove 302 is provided on the knob 101, the indication groove 303 on the rotary knob 101 is aligned to the alignment groove 302 opposite to the height parameters, the height of the rotary blade 106 is indicated, and the visualization of height adjustment is realized. Is more convenient for operators to use.
As shown in fig. 5, preferably, a ring groove 304 into which the knob 101 is inserted is formed in the main body 1, and the ring groove 304 guides the circumferential side of the knob 101 to make the rotation smoother.
Preferably, the adjusting inner ring 103 is formed with an annular protrusion 305 on the circumferential side, and the mounting bracket 104 is formed with a fixing groove 306 for the annular protrusion 305 to be placed in, so that the stability of the connection between the adjusting inner ring 103 and the mounting bracket 104 in the rotation process is improved.
Example two
As shown in fig. 8, 9 and 10, the difference between the present embodiment and the first embodiment is that a positioning ring 401 is provided on the positioning block 108 and the tooth portion 107 on the circumferential side of the adjusting outer ring 102, the positioning ring 401 is rotatably provided on the main body 1, the circumferential side of the positioning ring 401 abuts against the positioning block 108, and a through groove 402 through which the positioning block 108 passes is formed on the positioning ring 401, when the cutting machine needs to be adjusted, the positioning ring 401 can be rotated to abut against the circumferential side of the positioning block 108 and the positioning ring 401, and when the adjustment is completed, the positioning ring 401 can be rotated to abut against the tooth portion 107 on the circumferential side of the adjusting outer ring 102 after the positioning block 108 passes through the through groove 402, and because the positioning block 108 abuts against the tooth portion 107 only after the adjustment is completed, the turning knob 101 is smoother than the embodiment.
Further, arc-shaped guide surfaces 403 are formed on two sides of the through groove 402, and the arc-shaped guide surfaces 403 provide guide for the positioning block 108, so that the positioning block 108 can be inserted into or separated from the positioning ring 401 more smoothly in the rotation process.
The positioning ring 401 is provided with a rotating part 404 for rotating by hand, the main body 1 is provided with an adjusting groove 405 for rotating by the rotating part 404, and the rotating part 404 of the main body 1 is exposed by rotating by hand, so that the positioning block 108 is controlled to be abutted with the tooth part 107 on the peripheral side of the adjusting outer ring 102, and the daily use of a user is facilitated.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (10)
1. The motor cutter head assembly height adjusting structure of the mower comprises a main body (1) and is characterized in that an installation cavity (2) is formed in the main body (1), and a height adjusting mechanism (3) and a cutting mechanism (4) are arranged in the installation cavity (2);
the height adjusting mechanism (3) comprises a knob (101) rotatably arranged on the main body (1), an adjusting outer ring (102) rotatably arranged in the mounting cavity (2), an adjusting inner ring (103) in threaded connection with the adjusting outer ring (102), a mounting bracket (104) connected with the adjusting inner ring (103), and the cutting mechanism (4) is arranged on the mounting bracket (104) and moves up and down along with the adjusting inner ring (103);
the periphery of the adjusting outer ring (102) is provided with a tooth part (107), and the main body (1) is provided with a positioning block (108) clamped with the tooth part (107) so as to fix the mounting bracket (104) at the current height.
2. The height adjusting structure of the motor cutterhead assembly of the mower according to claim 1, wherein a sliding groove (201) for sliding the positioning block (108) is formed in the main body (1), a positioning column (202) is arranged on the sliding groove (201), the positioning block (108) is sleeved on the positioning column (202), and an elastic element (203) is arranged between the positioning column (202) and the positioning block (108).
3. The height adjustment structure of a motor cutterhead assembly of a mower according to claim 2, wherein a limit protrusion (204) is formed on the positioning column (202), and a limit groove (205) into which the limit protrusion (204) is placed is formed on the positioning block (108).
4. The height adjustment structure of a motor cutterhead assembly of a mower according to claim 1, wherein a spiral protrusion (206) is formed on the outer periphery of the adjustment inner ring (103), and a spiral groove (207) is formed on the adjustment outer ring (102) to be matched with the spiral protrusion (206).
5. The height adjusting structure of the motor cutterhead assembly of the mower according to claim 1, wherein a scale (301) is arranged on the main body (1), a plurality of height parameters are arranged on the scale (301), an alignment groove (302) opposite to the height parameters is arranged on the scale (301), and an indication groove (303) opposite to the alignment groove (302) is arranged on the knob (101).
6. The height adjusting structure of the motor cutterhead assembly of the mower according to claim 1, wherein a ring groove (304) for placing a knob (101) is formed on the main body (1).
7. The height adjustment structure of a motor cutterhead assembly of a mower according to claim 1, wherein an annular protrusion (305) is formed on the peripheral side of the adjustment inner ring (103), and a fixing groove (306) is formed on the mounting bracket (104) for placing the annular protrusion (305) into.
8. The height adjusting structure of the motor cutter head assembly of the mower according to claim 1, wherein a positioning ring (401) is arranged in the main body (1) in a rotating mode, the peripheral side of the positioning ring (401) is abutted to the positioning block (108), and a through groove (402) for the positioning block (108) to pass through is formed in the positioning ring (401).
9. The height adjusting structure of the motor cutterhead assembly of the mower as set forth in claim 8, wherein arc-shaped guide surfaces (403) are formed on both sides of the passing groove (402).
10. The height adjusting structure of a motor cartridge assembly of a mower as claimed in claim 8, wherein said positioning ring (401) is formed with a rotating portion (404) for rotating a hand, and said main body (1) is formed with an adjusting groove (405) for rotating the rotating portion (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321505199.4U CN219981559U (en) | 2023-06-13 | 2023-06-13 | Height adjusting structure of motor cutter head assembly of mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321505199.4U CN219981559U (en) | 2023-06-13 | 2023-06-13 | Height adjusting structure of motor cutter head assembly of mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219981559U true CN219981559U (en) | 2023-11-10 |
Family
ID=88616287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321505199.4U Active CN219981559U (en) | 2023-06-13 | 2023-06-13 | Height adjusting structure of motor cutter head assembly of mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219981559U (en) |
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2023
- 2023-06-13 CN CN202321505199.4U patent/CN219981559U/en active Active
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