CN217957812U - Drum-type lawn mower blade group - Google Patents
Drum-type lawn mower blade group Download PDFInfo
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- CN217957812U CN217957812U CN202222016114.8U CN202222016114U CN217957812U CN 217957812 U CN217957812 U CN 217957812U CN 202222016114 U CN202222016114 U CN 202222016114U CN 217957812 U CN217957812 U CN 217957812U
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Abstract
The utility model discloses a blade group of a roller type mower, which comprises two end brackets, a central main shaft and a plurality of blade units; each blade unit comprises two strip-shaped blades, two blade connecting blocks and two mounting bolts. The blade group of the roller mower realizes parallel type interval installation of two strip-shaped blades by using the blade connecting block, so that weeds can be crushed while being cut, the cut and crushed weeds can directly cover the ground without being raked separately, labor force is reduced, and the land can be nourished; the detachable installation is realized by utilizing the blade connecting block and the mounting bolt, so that the blade unit is conveniently detached for maintenance or replacement, and the maintenance difficulty and cost are reduced.
Description
Technical Field
The utility model relates to a blade group, especially a drum-type lawn mower blade group.
Background
At present, current cylinder lawn mower blade group all is the fixed installation of individual layer, because need polish and the plastic to the blade when later maintenance, consequently can only carry out whole dismantlement with blade group, and in case single blade damages unable prosthetic words, just can only wholly change blade group for later maintenance cost is higher, and because the individual layer blade of adoption, consequently current blade group is not good to ruderal shredding function in addition. Therefore, the blade group of the roller type mower needs to be designed, the single blade can be detachably mounted, the later maintenance is facilitated, and the better weed smashing effect can be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a drum-type lawn mower blade group can make the detachable installation of single blade, and the later maintenance of being convenient for, and can have better weeds and smash the effect.
In order to achieve the purpose of the utility model, the utility model provides a blade group of a roller mower, which comprises two end brackets, a central main shaft and a plurality of blade units; each blade unit comprises two strip-shaped blades, two blade connecting blocks and two mounting bolts;
the central main shaft is transversely and fixedly arranged at the centers of the two end part supports in a penetrating way, and square shaft heads are uniformly arranged on shaft heads at two ends of the central main shaft; the end part bracket is provided with a plurality of bracket branches, and the bracket branches on the left end part bracket and the right end part bracket are transversely corresponding;
two ends of the two strip-shaped blades are fixedly installed through the two blade connecting blocks, and the two strip-shaped blades are parallel to each other; the two blade connecting blocks are inserted into the end parts of the two transversely corresponding support branches and are detachably mounted through two mounting bolts;
and the end part supports which are arranged on the central main shaft and are close to the left end and the right end are respectively provided with a conveying auger which is used for forming a gathering pushing force to the middle part of the central main shaft.
Further, each blade unit also includes two beveled blades; two ends of the two beveling blades are respectively provided with a bending installation end in an extending way; the two beveling blades are obliquely arranged between the two strip-shaped blades and are fixedly arranged on the opposite side surfaces of the two strip-shaped blades through bending mounting ends.
Furthermore, a snap ring groove is formed in each of the two square shaft heads.
Furthermore, four support branches are arranged on the end support and are distributed in a cross shape; the end parts of the four support branches are respectively provided with a rectangular notch, and the groove edges of the rectangular notches are provided with fixed slots; the edge of the blade connecting block protrudes out of the two strip-shaped blades and is inserted into the fixed slot on the corresponding side.
Furthermore, the four support branches are respectively provided with an installation window, and installation holes are communicated between the installation windows and the rectangular notches; a threaded hole is formed in the inserting end of the blade connecting block, and a through hole is formed in the strip-shaped blade and is positioned in the threaded hole; the end part of the screw rod of the mounting bolt penetrates through the mounting hole and the through hole and then is screwed on the threaded hole.
Further, an end blade is arranged between the ends of the adjacent bracket branches, and the cutting edge of the end blade is arranged on the outer side edge; the two ends of the end blade are detachably arranged on the support branches.
Further, a strip-shaped limiting groove is formed in the outer side edge of the end part of the support branch; two ends of the end blade are respectively provided with a strip-shaped limiting block; two bar-shaped limiting blocks are respectively inserted into two bar-shaped limiting grooves opposite to two adjacent support branches, and the bar-shaped limiting blocks are fixed in the bar-shaped limiting grooves through limiting bolts.
Further, the distance between the two strip-shaped blades is cm.
Furthermore, both ends of the two strip-shaped blades are protruded out of the end part support at the corresponding side.
Furthermore, a triangular reinforcing rib plate is arranged at the mounting position of the central main shaft and the end part support.
The beneficial effects of the utility model reside in that: the parallel type interval installation of the two strip-shaped blades is realized by utilizing the blade connecting blocks, so that the weeds can be crushed while being cut, the cut and crushed weeds can directly cover the ground without being raked separately, the labor force is reduced, and the soil can be nourished; the detachable installation is realized by utilizing the blade connecting block and the installation bolt, so that the blade unit is convenient to disassemble for maintenance or replacement, and the maintenance difficulty and cost are reduced; the square shaft heads can be conveniently and axially butted and installed with a driving shaft of the mower; the cut weeds can be collected to the middle part by utilizing the conveying auger, the overflow from the end part supports at the two ends is reduced, and the crushing effect of the cut weeds is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the end bracket structure of the present invention;
fig. 3 is the schematic view of the sectional structure of the blade connecting block mounting position of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1-3, the utility model discloses a roller mower blade group includes: two end supports 2, a central spindle 1 and a plurality of blade units, four blade units are designed in the embodiment; each blade unit comprises two strip-shaped blades 8, two blade connecting blocks 14 and two mounting bolts 16;
the central main shaft 1 is transversely and fixedly installed at the centers of the two end part brackets 2 in a penetrating way, and square shaft heads 6 are uniformly arranged on the shaft heads at the two ends of the central main shaft 1; the end part support 2 is provided with a plurality of support branches, four support branches are designed in the embodiment and distributed in a cross shape, and the support branches on the left end part support 2 and the right end part support 2 correspond to each other transversely;
two ends of the two strip-shaped blades 8 are fixedly installed through the two blade connecting blocks 14, and the two strip-shaped blades 8 are parallel to each other; the two blade connecting blocks 14 are inserted into the end parts of the two corresponding transverse bracket branches and are detachably mounted through two mounting bolts 16;
and the end part supports 2 which are arranged on the central main shaft 1 and are close to the left end and the right end are respectively provided with a conveying auger 11 which is used for forming convergent pushing force to the middle part of the central main shaft 1.
The parallel type interval installation of the two strip-shaped blades 8 is realized by utilizing the blade connecting blocks 14, so that weeds can be crushed while being cut, the cut and crushed weeds can directly cover the ground without being raked separately, the labor force is reduced, and the soil can be nourished; the detachable installation is realized by the blade connecting block 14 and the installation bolt 16, so that the blade unit is convenient to disassemble for maintenance or replacement, and the maintenance difficulty and cost are reduced; the square shaft head 6 can be conveniently butted and installed with a driving shaft of the mower; the cut weeds can be gathered towards the middle part by utilizing the conveying auger 11, the overflow from the end part supports 2 at the two ends is reduced, and the crushing effect of the cut weeds is ensured.
Further, each blade unit also comprises two bevelling blades 9; two ends of the two beveling blades 9 are respectively provided with a bending installation end 10 in an extending way; the two beveling blades 9 are obliquely arranged between the two strip-shaped blades 8 and are fixedly arranged on opposite side surfaces of the two strip-shaped blades 8 through bent mounting ends 10. Utilize two beveling blades 9 can further cut between two bar blades 8, effectively strengthen crushing effect, also can strengthen the structural strength in the middle part of two beveling blades 9 simultaneously.
Furthermore, a snap ring groove 7 is arranged on each of the two square shaft heads 6. The square shaft head 6 can be locked by a bolt after being inserted into a butt-joint square hole of a driving shaft of the mower by utilizing the snap ring groove 7.
Furthermore, four bracket branches are arranged on the end bracket 2 and are distributed in a cross shape; the end parts of the four bracket branches are respectively provided with a rectangular notch 12, and the groove sides of the rectangular notches 12 are provided with fixed slots 13; the edge of the blade connecting block 14 protrudes out of the two strip-shaped blades 8 and is inserted into the fixing slot 13 of the corresponding side. By utilizing the insertion and matching of the blade connecting block 14 and the fixed inserting groove 13, the integral detachable installation of the blade unit can be realized, and the blade unit has better installation stability.
Further, the four support branches are respectively provided with an installation window 15, and installation holes are communicated between the installation windows 15 and the rectangular notch 12; a threaded hole is formed in the inserting end of the blade connecting block 14, and a through hole is formed in the strip-shaped blade 8 and located at the threaded hole; the end of the mounting bolt 16 is threaded through the mounting hole and the through hole and then screwed into the threaded hole. The mounting bolt 16 is assembled using the mounting window 15 so that the mounting bolt 16 does not protrude out of the bracket branch, does not cause resistance to cutting, and does not wrap around weeds.
Further, an end blade 5 is provided between the ends of the adjacent stent branches, and the cutting blade 18 of the end blade 5 is provided on the outer side; both ends of the end blade 5 are detachably mounted on the bracket branches. The end blade 5 can be used to cut at the branch of the bracket, preventing weeds from winding around the branch of the bracket.
Further, a strip-shaped limiting groove 3 is arranged on the outer side edge of the end part of the bracket branch; two ends of the end blade 5 are respectively provided with a strip-shaped limiting block 4; two bar-shaped limiting blocks 4 are respectively inserted into two bar-shaped limiting grooves 3 opposite to two adjacent support branches, and the bar-shaped limiting blocks 4 are fixed in the bar-shaped limiting grooves 3 through limiting bolts 17. Utilize the cooperation installation of bar stopper 4 and bar spacing groove 3, can realize the stable installation of tip blade 5, and can realize demountable installation through spacing bolt 17, be convenient for maintain the dismouting of tip blade 5.
Further, the distance between the two strip-shaped blades 8 is 10-15 cm, and the distance of 10cm is adopted in the embodiment. The cut weeds can be effectively crushed by using the distance of 10-15 cm.
Further, both ends of the two strip-shaped blades 8 are protruded out of the end support 2 on the corresponding side. Utilize the protruding design of bar blade 8 tip, can cut in the outside of tip support 2, can reduce weeds and twine on square spindle nose 6.
Furthermore, a triangular reinforcing rib plate 19 is arranged at the mounting position of the central spindle 1 and the end bracket 2. The structural strength at the installation position can be enhanced by the triangular reinforcing rib plate 19.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A roller mower blade set, characterized in that: comprises two end brackets (2), a central spindle (1) and a plurality of blade units; each blade unit comprises two strip-shaped blades (8), two blade connecting blocks (14) and two mounting bolts (16);
the central main shaft (1) is transversely and fixedly arranged at the centers of the two end brackets (2) in a penetrating way, and square shaft heads (6) are uniformly arranged on the shaft heads at the two ends of the central main shaft (1); the end part bracket (2) is provided with a plurality of bracket branches, and the bracket branches on the left end part bracket (2) and the right end part bracket (2) are transversely corresponding;
two ends of the two strip-shaped blades (8) are fixedly installed through two blade connecting blocks (14), and the two strip-shaped blades (8) are parallel to each other; the two blade connecting blocks (14) are inserted and arranged at the end parts of the two corresponding transverse bracket branches and are detachably arranged through two mounting bolts (16);
and the end part supports (2) which are arranged on the central main shaft (1) and are close to the left end and the right end are respectively provided with a conveying auger (11) which is used for forming convergent pushing force to the middle part of the central main shaft (1).
2. The roller mower blade set of claim 1, wherein: each blade unit further comprises two bevelling blades (9); two ends of the two beveling blades (9) are respectively provided with a bending installation end (10) in an extending way; the two beveling blades (9) are obliquely arranged between the two strip-shaped blades (8) and are fixedly arranged on the opposite side surfaces of the two strip-shaped blades (8) through bent mounting ends (10).
3. The roller mower blade set of claim 1, wherein: and the two square shaft heads (6) are respectively provided with a buckle ring groove (7).
4. The roller mower blade set of claim 1, wherein: the end part bracket (2) is provided with four bracket branches which are distributed in a cross shape; the end parts of the four support branches are respectively provided with a rectangular notch (12), and the groove edge of each rectangular notch (12) is provided with a fixed slot (13); the edge of the blade connecting block (14) protrudes out of the two strip-shaped blades (8) and is inserted into the fixing slot (13) on the corresponding side.
5. The roller mower blade set of claim 4, wherein: the four support branches are respectively provided with an installation window (15), and installation holes are communicated between the installation windows (15) and the rectangular notches (12); a threaded hole is formed in the inserting end of the blade connecting block (14), and a through hole is formed in the strip-shaped blade (8) and located at the threaded hole; the end part of the screw rod of the mounting bolt (16) penetrates through the mounting hole and the through hole and then is screwed on the threaded hole.
6. The roller mower blade set of claim 1, wherein: an end blade (5) is arranged between the ends of the adjacent bracket branches, and the cutting edge (18) of the end blade (5) is arranged on the outer side; both ends of the end blade (5) are detachably arranged on the bracket branches.
7. The roller mower blade set of claim 6, wherein: a strip-shaped limiting groove (3) is arranged on the outer side edge of the end part of the bracket branch; two ends of the end blade (5) are respectively provided with a strip-shaped limiting block (4); two strip-shaped limiting blocks (4) are respectively inserted into two strip-shaped limiting grooves (3) which are opposite to two adjacent support branches, and the strip-shaped limiting blocks (4) are fixed in the strip-shaped limiting grooves (3) through limiting bolts (17).
8. The roller mower blade set of claim 1, wherein: the distance between the two strip-shaped blades (8) is 10-15 cm.
9. The roller mower blade set of claim 1, wherein: two ends of the two strip-shaped blades (8) are respectively protruded out of the end part bracket (2) at the corresponding side.
10. The roller mower blade set of claim 1, wherein: a triangular reinforcing rib plate (19) is arranged at the mounting position of the central main shaft (1) and the end part bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222016114.8U CN217957812U (en) | 2022-08-02 | 2022-08-02 | Drum-type lawn mower blade group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222016114.8U CN217957812U (en) | 2022-08-02 | 2022-08-02 | Drum-type lawn mower blade group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217957812U true CN217957812U (en) | 2022-12-06 |
Family
ID=84256021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222016114.8U Active CN217957812U (en) | 2022-08-02 | 2022-08-02 | Drum-type lawn mower blade group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217957812U (en) |
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2022
- 2022-08-02 CN CN202222016114.8U patent/CN217957812U/en active Active
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