CN216873754U - Rotary blade assembly for mower - Google Patents
Rotary blade assembly for mower Download PDFInfo
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- CN216873754U CN216873754U CN202123340826.7U CN202123340826U CN216873754U CN 216873754 U CN216873754 U CN 216873754U CN 202123340826 U CN202123340826 U CN 202123340826U CN 216873754 U CN216873754 U CN 216873754U
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Abstract
The application relates to a rotating blade assembly for a mower, which comprises a rotating frame, a plurality of groups of rotating blades and a plurality of bolts, wherein the plurality of groups of rotating blades can be detachably connected to the rotating frame, a shaft hole is formed in the center of the rotating frame, a plurality of groups of grooves are formed in the rotating frame, the plurality of groups of grooves are arranged along an axis annular array of the shaft hole, the rotating blade comprises a blade handle part and a blade edge part, the blade handle part is installed in the groove, a threaded hole is formed in the groove, a first waist-shaped groove is formed in the blade handle part, the bolts run through the first waist-shaped groove, and one end of the bolt, which passes through the first waist-shaped groove, is in threaded connection with the threaded hole. Install handle of a knife portion in the recess of swivel mount, form the fixed to handle of a knife portion through the screw hole cooperation in bolt and the recess, prevent that the blade from at rotatory in-process skew, reduce the probability of breaking down, set up two at least screw holes to set up corresponding bolt and screw hole cooperation and be connected, further improve the stability of handle of a knife portion in the recess, make the blade be difficult to take place the skew easily.
Description
Technical Field
The present application relates to the field of agricultural equipment, and in particular to a rotating blade assembly for a lawn mower.
Background
Agricultural equipment, such as lawn mowers and mini-tillers, require rotary blades to be mounted for cutting and digging. A plurality of rotary blades are usually installed on the existing agricultural machinery, each rotary blade is fixedly installed on a corresponding transmission shaft through an independent connecting block, and the rotary blades can be driven to rotate when the transmission shafts rotate.
To this kind of mode, the inventor thinks that it is comparatively loaded down with trivial details to install rotary blade like this, and each rotary blade all needs install corresponding connecting block respectively earlier, then with each connecting block fixed mounting on the transmission shaft for the transfer time is long, and in the course of the work, the connecting block can produce the aversion moreover, makes equipment fault rate improve, reduces work efficiency. In addition, the rotary blade is arranged on the connecting block, the rotary blade cannot be positioned, and the rotary blade is easy to deform under stress.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, the present application provides a rotary blade assembly for a lawn mower.
The application provides a rotary blade subassembly for lawn mower adopts following technical scheme:
the utility model provides a rotating blade subassembly for lawn mower, includes swivel mount, a plurality of rotating blade piece and a plurality of bolt, a plurality of group rotating blade piece can dismantle the connection and be in on the swivel mount, the shaft hole has been seted up to swivel mount center department, a plurality of groups recess has been seted up on the swivel mount, a plurality of groups the axis annular array in shaft hole is followed to the recess, rotating blade piece includes handle of a knife portion and edge of a knife portion, the handle of a knife portion is installed in the recess, still be provided with the screw hole in the recess, waist type groove one has been seted up on the handle of a knife portion, the bolt runs through waist type groove one, the bolt pass waist type groove one end with screw hole threaded connection.
Through adopting above-mentioned technical scheme, install handle of a knife portion in the recess of swivel mount, form the fixed to handle of a knife portion through the screw hole cooperation in bolt and the recess, prevent that the blade from squinting at rotatory in-process, reducing the probability of breaking down.
Optionally, at least two threaded holes are provided.
Through adopting above-mentioned technical scheme, set up two at least screw holes to the bolt that sets up to correspond is connected with the screw hole cooperation, further improves the stability of handle of a knife portion in the recess, makes the blade be difficult to take place the skew easily.
Optionally, the width of the tool shank portion is greater than the width of the tool blade portion, and a limiting bump is arranged at the notch of the groove.
Through adopting above-mentioned technical scheme, the width of handle of a knife portion is greater than the width of sword sharp portion, and the notch department of recess is provided with spacing lug, and rotatory blade can produce outside power under the effect of centrifugal force when cutting soon, designs the width that the width of sword stalk portion is greater than the width of sword sharp portion to can further reduce the probability that the skew takes place for the blade on the spacing lug of notch department with the tip joint of handle of a knife.
Optionally, the rotary blades are provided with six groups, and the thickness of each rotary blade is set to be 3 cm.
Optionally, the knife edge portion and the knife handle portion are obliquely arranged, and the inclination angle between the knife edge portion and the knife handle portion is 110-.
Optionally, a second waist-shaped groove is formed in the knife edge portion, and the size of the second waist-shaped groove is the same as that of the first waist-shaped groove.
By adopting the technical scheme, the weight of the knife edge part and the weight of the knife handle part are close, the quality of the whole blade is reduced, and the manufacturing cost is saved.
Optionally, a plurality of groups of reinforcing ribs are arranged on the rotating frame, and the plurality of groups of reinforcing ribs are arranged between the grooves at intervals.
Through adopting above-mentioned technical scheme, can improve the structural strength of device, promote the life of rotatory knife tackle.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the tool shank is arranged in a groove of the rotating frame and is fixed through the matching of a bolt and a threaded hole in the groove, so that the blade is prevented from deviating in the rotating process, and the failure probability is reduced;
2. the at least two threaded holes are arranged, and the corresponding bolts are arranged to be matched and connected with the threaded holes, so that the stability of the cutter handle in the groove is further improved, and the blade is not easy to shift easily;
3. the width of sword stalk portion is greater than the width of sword sharp edge portion, and the notch department of recess is provided with spacing lug, and rotatory blade can produce outside power under the effect of centrifugal force when cutting soon, designs the width of sword stalk portion and is greater than the width of sword sharp edge portion to can further reduce the probability that the skew takes place for the blade on the spacing lug of notch department with the tip joint of handle of a knife.
Drawings
Fig. 1 is a schematic view of the overall structure of a rotary blade assembly for a lawn mower.
FIG. 2 is a partial exploded view of a rotary blade assembly for a lawn mower.
Fig. 3 is a schematic view for embodying a structure of a rotary blade.
Description of reference numerals: 1. a rotating frame; 11. a groove; 12. a limiting bump; 13. reinforcing ribs; 2. a rotary blade; 21. a shank portion; 22. a blade edge portion; 23. a first waist-shaped groove; 24. a second waist-shaped groove; 3. A bolt; 4. a threaded bore.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Further, "a number" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The embodiment of the application discloses a rotary blade assembly for a mower. Referring to fig. 1-3, a rotary blade assembly for a mower comprises a rotary frame 1, a plurality of groups of rotary blades 2 and a plurality of bolts 3, wherein the rotary frame is provided with a plurality of grooves 11, the rotary frame 1 is provided with a plurality of groups of reinforcing ribs 13, so that the structural strength of the blade assembly can be improved, the plurality of groups of reinforcing ribs 13 are arranged among the grooves 11 at intervals, the plurality of grooves 11 are annularly arrayed along the axis of a shaft hole, the rotary blade 2 comprises a blade handle portion 21 and a blade edge portion 22, the blade handle portion 21 is arranged in the grooves 11, the grooves 11 are also provided with at least two threaded holes 4, the blade handle portion 21 is provided with a waist-shaped groove 23, the bolts 3 penetrate through the waist-shaped groove 23 and are detachably connected on the rotary frame 1, the center of the rotary frame 1 is provided with a shaft hole, the rotary frame 1 is provided with a plurality of bolts, one end of the bolts penetrating through the waist-shaped groove 23 is in threaded connection with the threaded holes 4, can fix sword stalk portion 21 in recess 11 of swivel mount 1 like this, the mode that two sets of more than two sets of bolts 3 fix sword stalk portion 21 in recess 11 can reduce the blade and take place the probability of skew when cutting soon, the width of sword stalk portion 21 is greater than the width of sword front 22, the notch department of recess 11 is provided with spacing lug 12, spinning blade 2 is when cutting soon, can produce outside power under the effect of centrifugal force, the width of design sword stalk portion 21 is greater than the width of sword front 22, thereby can be with the tip joint of handle of a knife on the spacing lug 12 of notch department, further reduce the probability that the skew takes place for the blade.
In the present invention, six sets of rotary blades 2 are provided, and the thickness of the rotary blades 2 is set to 3 cm.
In the utility model, the blade part 22 and the handle part 21 are obliquely arranged, the inclination angle of the blade part 22 and the handle part 21 is 110-115 degrees, the blade part 22 is provided with the second waist-shaped groove 24, and the size of the second waist-shaped groove 24 is the same as that of the first waist-shaped groove 23, so that the weight of the blade part and the handle part is close, the quality of the whole rotary blade 2 is reduced, and the manufacturing cost is saved.
In the utility model, the material of the rotary blade 2 is bearing steel or 60Si2Mn spring steel, and the hardness is HRC 50-55.
The implementation principle of the rotary blade assembly for the mower is as follows: offer recess 11 on swivel mount 1, the purpose of design recess 11 is in and prevent the handle of a knife portion 21 of rotary cutter piece 2, offers waist type groove 23 on handle of a knife portion 21 to set up at least two sets of bolts 3 and fix the handle of a knife in recess 11, the skew that produces at the during operation of reduction rotary cutter piece 2 that this kind of mode can be very big improves swivel mount 1 and rotary cutter piece 2's life.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A rotating blade assembly for a lawn mower, comprising: including swivel mount (1), a plurality of group spinning blade (2) and a plurality of bolt (3), a plurality of group spinning blade (2) can be dismantled the connection and be in on swivel mount (1), shaft hole has been seted up at swivel mount (1) center department, a plurality of groups recess (11), a plurality of groups have been seted up on swivel mount (1) recess (11) along the axis annular array in shaft hole, spinning blade (2) are including handle of a knife portion (21) and sword point portion (22), install handle of a knife portion (21) in recess (11), still be provided with screw hole (4) in recess (11), the waist type groove (23) have been seted up on handle of a knife portion (21), bolt (3) run through waist type groove (23), bolt (3) pass the one end of waist type groove (23) with screw hole (4) threaded connection.
2. A rotary blade assembly for a lawn mower as claimed in claim 1 wherein: the number of the threaded holes (4) is at least two.
3. A rotary blade assembly for a lawn mower as claimed in claim 1 wherein: the width of hilt (21) is greater than the width of sword front (22), the notch department of recess (11) is provided with spacing lug (12).
4. A rotating blade assembly for a lawn mower as claimed in claim 1 wherein: six groups of rotating blades (2) are arranged, and the thickness of the rotating blades (2) is set to be 3 cm.
5. A rotary blade assembly for a lawn mower as claimed in claim 1 wherein: the knife edge part (22) and the knife handle part (21) are obliquely arranged, and the inclination angle of the knife edge part (22) and the knife handle part (21) is 110-115 degrees.
6. A rotary blade assembly for a lawn mower as claimed in claim 1 wherein: a second waist-shaped groove (24) is formed in the knife edge portion (22), and the size of the second waist-shaped groove (24) is the same as that of the first waist-shaped groove (23).
7. A rotary blade assembly for a lawn mower as claimed in claim 1 wherein: a plurality of groups of reinforcing ribs (13) are arranged on the rotating frame (1), and the plurality of groups of reinforcing ribs (13) are arranged between the grooves (11) at intervals.
8. A rotary blade assembly for a lawn mower as claimed in claim 1 wherein: the material of the rotary blade (2) is bearing steel or 60Si2Mn spring steel, and the hardness is HRC 50-55.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340826.7U CN216873754U (en) | 2021-12-28 | 2021-12-28 | Rotary blade assembly for mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340826.7U CN216873754U (en) | 2021-12-28 | 2021-12-28 | Rotary blade assembly for mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216873754U true CN216873754U (en) | 2022-07-05 |
Family
ID=82208792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123340826.7U Active CN216873754U (en) | 2021-12-28 | 2021-12-28 | Rotary blade assembly for mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216873754U (en) |
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2021
- 2021-12-28 CN CN202123340826.7U patent/CN216873754U/en active Active
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