CN209949877U - Cutting knife device and lawn mower - Google Patents
Cutting knife device and lawn mower Download PDFInfo
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- CN209949877U CN209949877U CN201821713141.8U CN201821713141U CN209949877U CN 209949877 U CN209949877 U CN 209949877U CN 201821713141 U CN201821713141 U CN 201821713141U CN 209949877 U CN209949877 U CN 209949877U
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- cutting knife
- output shaft
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- sleeve
- knife motor
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Abstract
In order to solve the problem that the cutting knife device structure of current lawn mower is complicated, transmission efficiency is low, the utility model provides a cutting knife device, including cutting knife motor and cutting knife, wherein cutting knife motor output shaft tip is provided with the internal thread hole, still include with internal thread hole assorted screw, fix the cutting knife at cutting knife motor output shaft tip through the screw. The utility model discloses in use, through being provided with the internal thread hole at cutting knife motor output shaft tip, utilize the screw to fix the cutting knife at cutting knife motor output shaft tip, simple structure, transmission efficiency is high, solves the problem that the cutting knife device structure of current lawn mower is complicated, transmission efficiency hangs down.
Description
Technical Field
The utility model relates to a garden instrument technical field especially relates to a cutting knife device and lawn mower.
Background
The mower is a mechanical tool for trimming lawn, vegetation and the like, and consists of a cutting knife device, an engine, a traveling wheel, a traveling mechanism, a control part and the like. However, the existing cutter device has a complicated structure, for example, a "cutter mounting structure of a mower" disclosed in chinese patent document CN 202722034U, which is sequentially provided with a motor output shaft, a first wrench portion, a threaded shaft, a second wrench portion, a cutter mounting portion, and a blade, wherein in use, one wrench is fixed to the first wrench portion of the motor shaft, a shaft sleeve is screwed to the threaded shaft, when the one wrench is screwed, the other wrench is fixed to the second wrench portion to be screwed, then a cutter is mounted on the shaft sleeve, and a screw at the bottom of the cutter is screwed; the fastening is completed through the two threaded connection pairs, the structure is complex, the transmission efficiency is low, and the energy consumption of the mower is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the cutting knife device of the existing mower has a complex structure and low transmission efficiency, the utility model provides a cutting knife device, which aims to improve the transmission efficiency of the cutting knife device, reduce the energy consumption and improve the reliability.
The utility model discloses a realize like this: the utility model provides a cutting knife device, includes cutting knife motor and cutting knife, wherein cutting knife motor output shaft tip is provided with the internal thread hole, still includes the screw with internal thread hole assorted, fixes the cutting knife at cutting knife motor output shaft tip through the screw.
Further, still including cup jointing the adapter sleeve in the cutting knife motor output shaft outside, the adapter sleeve includes the reinforcing plate that sleeve pipe and sleeve pipe tip set up, wherein the reinforcing plate is parallel and level with the cutting knife.
Furthermore, the cutting knife device also comprises a supporting sleeve and a tail cover, wherein the tail cover is arranged at the tail end of the cutting knife motor, the supporting sleeve is arranged at the front end of the cutting knife motor, and the supporting sleeve, the cutting knife motor and the tail cover form a cutting knife unit.
Further, the tail cover is provided with an air inlet.
The mower provided with the cutting knife device comprises a protective shell, wherein two cutting knife units are arranged on the protective shell in parallel.
Furthermore, the side surface of the protective shell is also provided with a cover plate.
Furthermore, a rotating wheel is arranged below the protective shell.
The utility model discloses in use, through being provided with the internal thread hole at cutting knife motor output shaft tip, utilize the screw to fix the cutting knife at cutting knife motor output shaft tip, simple structure, transmission efficiency is high, solves the problem that the cutting knife device structure of current lawn mower is complicated, transmission efficiency hangs down.
Drawings
Fig. 1 is an explosion diagram of a cutting knife device including a protective shell;
in the figure: 1 cutting knife, 2 connecting sleeves, 3 protective shells, 4 supporting sleeves, 5 cutting knife motors, 6 tail covers, 7 rotating wheels, 8 cover plates, 9 mounting lugs, 10 connecting holes and 11 air inlets.
Detailed Description
The following describes a cutting knife device according to the present invention with reference to the accompanying drawings and embodiments.
The utility model relates to a cutting knife device, including cutting knife motor 5 and cutting knife 1, wherein cutting knife motor 5 output shaft tip is provided with the internal thread hole, still include with internal thread hole assorted screw, fix cutting knife 1 at cutting knife motor 5 output shaft tip through the screw.
In the embodiment, in specific use, the internal thread hole is formed in the end part of the output shaft of the cutting knife motor 5, the cutting knife 1 is fixed to the end part of the output shaft of the cutting knife motor 5 through the screw, after the cutting knife motor 5 is powered on, the output shaft rotates to drive the cutting knife 1 to rotate, the mowing function is completed, the whole structure is simple, the cutting knife motor 5 directly drives the cutting knife 1 to rotate, the transmission efficiency is high, and the problems that the cutting knife device of the existing mower is complex in structure and low in transmission efficiency are solved.
Further, for letting the cutting knife device connect more reliably, the utility model discloses in still including cup jointing adapter sleeve 2 in the cutting knife motor 5 output shaft outside, adapter sleeve 2 includes the reinforcing plate that sleeve pipe and sleeve pipe tip set up, wherein reinforcing plate and cutting knife 1 parallel and level, in this embodiment, cutting knife motor 5 output shaft sets up by the platform, 2 sleeve pipe inner walls of adapter sleeve are provided with platform assorted round and lacked, also drive adapter sleeve 2 to rotate when cutting knife motor 5 output shaft rotates, adapter sleeve 2 still sets up the reinforcing plate with 1 parallel and level of cutting knife, let cutting knife 1 hug closely on the reinforcing plate through the cutting knife screw, the intensity of cutting knife 1 has been increased, and the work efficiency is improved.
Furthermore, in order to facilitate installation and maintenance, the utility model also comprises a supporting sleeve 4 and a tail cover 6, wherein the tail cover 6 is arranged at the tail end of the cutting knife motor 5, the supporting sleeve 4 is arranged at the front end of the cutting knife motor 5, and the supporting sleeve 4, the cutting knife motor 5 and the tail cover 6 form a cutting knife 1 unit; meanwhile, the protection of the slot cutting motor is increased, the tail cover 6 is further arranged at the tail end of the mowing motor, the outer edge of the tail cover 6 is matched with the outer edge of the supporting sleeve 4, and a space for accommodating the cutting knife motor 5 is formed after the supporting sleeve 4 and the tail cover 6 are assembled.
The utility model discloses in still relate to a lawn mower who installs above-mentioned cutting knife device, wherein the lawn mower includes protecting crust 3, in order to improve the efficiency of mowing, is provided with two cutting knife 1 units on the protecting crust 3 side by side.
Further, in order to facilitate heat dissipation of the cutter motor 5, the tail cover 6 is provided with air inlets 11, in this embodiment, 20 air inlets 11 are uniformly arranged on the tail cover 6, so as to provide heat dissipation efficiency; for the convenience of installation, in the present embodiment, a connection hole 10 is further provided to connect the tail cover 6 with the protective shell 3.
Furthermore, in order to discharge the grass cut by the cutter, a cover plate 8 is arranged on the side surface of the protective shell 3, and the grass is discharged through the guide of the cover plate 8.
Furthermore, in order to facilitate walking, a rotating wheel 7 is arranged below the protective shell 3; in this embodiment, the lower part of the protective shell 3 is provided with 4 mounting lugs 9, the mounting lugs 9 are connected with rotating wheels 7, and the rotating wheels 7 are used for supporting the protective shell 3 and assisting the protective shell 3 to walk.
Although the present invention has been described and illustrated in detail with reference to specific embodiments thereof, it should be understood that various equivalent changes and modifications can be made therein in accordance with the present invention, and the functional effects thereof are not beyond the spirit of the present invention.
Claims (8)
1. The utility model provides a cutting knife device, its characterized in that includes cutting knife motor (5) and cutting knife (1), and wherein cutting knife motor (5) output shaft tip is provided with the internal thread hole, still includes and fixes cutting knife (1) at cutting knife motor (5) output shaft tip through the screw with internal thread hole assorted screw.
2. The cutting knife device as claimed in claim 1, characterized in that it also comprises a connecting sleeve (2) which is sleeved outside the output shaft of the cutting knife motor (5), the connecting sleeve (2) comprises a sleeve and a reinforcing plate arranged at the end of the sleeve, wherein the reinforcing plate is flush with the cutting knife (1).
3. The cutting knife device according to claim 1 or 2, characterized in that it further comprises a support sleeve (4) and a tail cover (6), wherein the tail cover (6) is arranged at the end of the cutting knife motor (5), the support sleeve (4) is arranged at the front end of the cutting knife motor (5), and the support sleeve (4), the cutting knife motor (5) and the tail cover (6) constitute a cutting knife unit.
4. The cutting knife device as claimed in claim 3, characterized in that the tail cap (6) is provided with an air inlet opening (11).
5. A lawnmower, characterized in that it is equipped with a cutting blade device as claimed in claim 4, further comprising a guard housing (3), wherein at least two cutting blade (1) units are arranged side by side on the guard housing (3).
6. A mower as claimed in claim 5, wherein said guard housing (3) is further provided with a cover plate (8) on the side.
7. A mower as claimed in claim 6, wherein a rotating wheel (7) is also provided below the guard casing (3).
8. A mower as claimed in claim 5, wherein a rotating wheel (7) is also provided below the guard casing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713141.8U CN209949877U (en) | 2018-10-22 | 2018-10-22 | Cutting knife device and lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713141.8U CN209949877U (en) | 2018-10-22 | 2018-10-22 | Cutting knife device and lawn mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209949877U true CN209949877U (en) | 2020-01-17 |
Family
ID=69233464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821713141.8U Active CN209949877U (en) | 2018-10-22 | 2018-10-22 | Cutting knife device and lawn mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209949877U (en) |
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2018
- 2018-10-22 CN CN201821713141.8U patent/CN209949877U/en active Active
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| GR01 | Patent grant | ||
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