CN212573559U - Cutter head assembly and mower - Google Patents
Cutter head assembly and mower Download PDFInfo
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- CN212573559U CN212573559U CN202020799218.9U CN202020799218U CN212573559U CN 212573559 U CN212573559 U CN 212573559U CN 202020799218 U CN202020799218 U CN 202020799218U CN 212573559 U CN212573559 U CN 212573559U
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- cutter
- groove
- blade
- disc
- bottom wall
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Abstract
The utility model provides a blade disc assembly and lawn mower, blade disc assembly includes: the cutter comprises a cutter disc and a cutter groove which is formed by inwards sinking from the edge of the cutter disc along the axial direction of the cutter disc; and an insert mounted within the pocket and configured to: in the axial direction of the disk body, the insert does not protrude out of the pocket. Compared with the prior art, the utility model discloses the blade disc subassembly sets up the blade in the sword inslot on the blade disc, makes the blade is hidden in the blade disc, thereby avoids the blade presss from both sides grass or card mud, and then has effectively promoted the work efficiency of blade disc subassembly.
Description
Technical Field
The utility model relates to a prevent blade disc assembly and lawn mower that has this blade disc assembly of blade card mud, double-layered grass etc..
Background
The mower is a mechanical tool for trimming lawn and consists of a cutter head, a motor, a blade, a traveling wheel, a control system and the like. The general mower has the structure that a cutter head is arranged on a travelling wheel, a motor is arranged on the cutter head, a blade is arranged on an output shaft of the motor, the speed of the blade is greatly improved by utilizing the high-speed rotation of the motor, the operation time of weeding workers is saved, and a large amount of manpower resources are reduced. However, one problem common to lawn mowers is: after working for a period of time, the blades of the mower are very easy to clamp to grass or mud, especially nuts used for locking the blades, which directly causes the working efficiency of the mower to be reduced; if too much grass or mud is clamped, the blade can be clamped and cannot be thrown out; meanwhile, cleaning the grass or mud is a very troublesome task.
In view of the above, there is a need for a new cutterhead assembly that solves the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cutter head assembly, this cutter head assembly set up the blade in the sword inslot on the blade disc, make the blade is hidden in the blade disc, thereby avoid the blade presss from both sides grass or card mud, and then has effectively promoted cutter head assembly's work efficiency.
In order to achieve the above object, the utility model provides a cutter head assembly, include: the cutter comprises a cutter disc and a cutter groove which is formed by inwards sinking from the edge of the cutter disc along the axial direction of the cutter disc; and an insert mounted within the pocket and configured to: in the axial direction of the disk body, the insert does not protrude out of the pocket.
As a further improvement of the present invention, the insert is movably mounted in the pocket by a fastener, and the fastener is configured to: in the axial direction of the disc, the fastener does not protrude outside the pocket.
As a further improvement of the utility model, the knife groove comprises a groove bottom wall and groove side walls positioned at two sides of the groove bottom wall; the included angle between the groove bottom wall and the groove side wall is an obtuse angle.
As a further improvement of the utility model, the groove side wall with the crossing department of disk body is provided with the chamfer.
As a further improvement of the utility model, the sword groove includes the tank bottom wall and is located the groove lateral wall of tank bottom wall both sides, the tank bottom wall is provided with the boss, the blade is installed on the boss.
As a further improvement of the utility model, the radial direction of the disk body, the cutter groove is close to one side of the axle center of the disk body is provided with a through groove so that the blade, grass and the like can pass through.
As a further improvement of the utility model, one side or two sides of the cutter groove are provided with guide platforms to straighten the grass.
As a further improvement of the utility model, the guide table is back-off one side of the rotation direction of the tray body is provided with a guide wall.
As a further improvement of the utility model, the blade is movably arranged in the cutter groove through a fastener, and the guide platform and the fastener are in a same circle.
As a further improvement of the utility model, the guide platform is back-to-back arranged on one side of the disk body.
As a further improvement, one side of the disk body deviating from the lawn is provided with a reinforcing rib, the reinforcing rib is followed the radial setting of the disk body.
As a further improvement of the utility model, the knife grooves are positioned between the adjacent reinforcing ribs.
A lawn mower, comprising: a power mechanism having an output shaft; and a cutter head assembly, the cutter head assembly comprising: the cutter head is arranged on the output shaft and comprises a disk body and a cutter groove formed by inwards recessing the edge of the disk body along the axial direction of the disk body; and an insert mounted within the pocket and configured to: in the axial direction of the disk body, the insert does not protrude out of the pocket.
As a further improvement of the present invention, the insert is movably mounted in the pocket by a fastener, and the fastener is configured to: in the axial direction of the disc, the fastener does not protrude outside the pocket.
As a further improvement of the present invention, the cutter head is provided with at least two cutter grooves, and the cutter grooves are distributed at equal intervals in the circumferential direction of the cutter head.
As a further improvement of the utility model, the knife groove comprises a groove bottom wall and groove side walls positioned at two sides of the groove bottom wall; and a chamfer is arranged at the intersection of the groove side wall and the tray body.
As a further improvement of the utility model, the sword groove includes the tank bottom wall and is located the groove lateral wall of tank bottom wall both sides, the tank bottom wall is provided with the boss, the blade is installed on the boss.
As a further improvement of the utility model, one side or two sides of the cutter groove are provided with guide platforms to straighten the grass.
As a further improvement of the utility model, the guide table is back-off one side of the rotation direction of the tray body is provided with a guide wall.
As a further improvement of the utility model, the blade is movably arranged in the cutter groove through a fastener, and the guide platform and the fastener are in a same circle.
The utility model has the advantages that: the utility model discloses the blade disc assembly sets up the blade in the sword inslot on the blade disc, makes the blade is hidden in the blade disc, thereby avoids the blade presss from both sides grass or card mud, and then has effectively promoted the work efficiency of blade disc assembly.
Drawings
Fig. 1 is a schematic perspective view of the cutter head assembly of the present invention.
Fig. 2 is a perspective view of an alternate angle of the cutterhead assembly shown in fig. 1.
Fig. 3 is a perspective view of the cutter head.
Figure 4 is a cross-sectional view of the cutterhead assembly shown in figure 1.
Figure 5 is a plan view of the cutterhead assembly shown in figure 4 in section.
Fig. 6 is a perspective view of the lawn mower of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, a cutter head assembly 100 for trimming lawn and the like is disclosed. The cutterhead assembly 100 includes a cutterhead 10 and blades 20 mounted on the cutterhead 10.
Referring to fig. 1, 2 and 3, the cutter head assembly 100 includes a disk body 11 and a cutter groove 12 formed by recessing the edge of the disk body 11 in the axial direction of the disk body 11. In this embodiment, the tray 11 has a circular shape. However, in other embodiments, the tray 11 may be provided in other shapes as desired, such as: a regular polygon. The side of the tray body 11 facing the lawn is provided with a guide table 111, and the side thereof facing away from the lawn is provided with a shaft sleeve 112 and a reinforcing rib 113. The guide table 111 is formed to protrude outward from a side of the tray body 11 facing the lawn. The guide table 111 is adjacent to the blade groove 12 and is located on the head grass side of the blade groove 12. Referring to fig. 1, when the cutter head assembly 100 rotates counterclockwise according to the arrow shown in fig. 1, the first side 101 of the cutter slot 12 facing grass first is, and the second side 102 of the cutter slot facing grass second is; when the cutterhead assembly 100 rotates clockwise in the direction opposite to the arrow shown in fig. 1, the first grass-facing side is the second side 102, and the second grass-facing side is the first side 101. With this arrangement, the grass can be fed to the guide table 111 before the blade grooves 12, so that the grass, vines and the like on the lawn can be cleared up and cleaned by the guide table 111 before the grass is cut by the blade 20, and the grass, vines and the like can be prevented from being wound on the blade 20. A guide wall 1111 is disposed on a side of the guide table 111 facing away from the rotation direction of the tray 11. In the present embodiment, each blade groove 12 corresponds to one guide platform 111, and the guide platform 111 is located on the head grass side of the blade groove 12; however, in other embodiments, the grass-first side of the blade groove 12 may be provided with a plurality of the guide platforms 111 as needed, or the guide platforms 111 may be provided on both the grass-first side and the grass-second side of the blade groove 12. In this embodiment, the side of the guide platform 111 facing away from the tray body 11 is a smooth protrusion, but in other embodiments, a cutting edge (not shown) may be further disposed on the side of the guide platform 111 facing away from the tray body 11 to enhance the capability of the guide platform 111 to smooth and clean the grass and vine. In the present embodiment, the guide platform 111 has a circular arc shape, but in other embodiments, the guide platform 111 may be provided with other shapes, such as a V shape. Referring to fig. 2, the shaft sleeve 112 is located at the center of the side of the tray 11 facing away from the lawn. The sleeve 112 is configured to cooperate with an output shaft of a power mechanism, so that the cutter head assembly 100 rotates under the action of the output shaft. The reinforcing ribs 113 are arranged along the radial direction of the disc body 11 and are uniformly distributed around the shaft sleeve 112 along the circumferential direction of the disc body 11. Preferably, the side of the tray body 11 facing away from the lawn is further provided with a secondary reinforcing rib 114 arranged along the circumferential direction to further enhance the strength of the tray body 11.
Referring to fig. 3, 4 and 5, the sipes 12 are formed by recessing inward from the side of the tray 11 facing the lawn, and are located between the adjacent reinforcing ribs 113. The insert 20 is mounted in the pocket 12 by fasteners 30 and is configured to: in the axial direction of the disc 11, the blades 20 and the fasteners 30 do not protrude out of the pockets 12. The arrangement is that the blade 20 can be hidden in the knife groove 12, so that the blade 20 and the fastener 30 can be prevented from colliding with hard objects on the lawn, and the fastener 30 can not be detached; moreover, the blade 20 can be prevented from directly contacting with grass and soil on the lawn by the arrangement, so that the grass can be effectively prevented from being wound on the blade 20, and the soil can be effectively prevented from being clamped between the blade 20 and the fastener 30. The pocket 12 includes a pocket bottom wall 121 and pocket side walls 122 on both sides of the pocket bottom wall 121. The groove bottom wall 121 is provided with a boss 1211 and a mounting hole 1212 formed by recessing the boss 1211 inwards. The blade 20 is movably and fixedly mounted on the boss 1211 through the fastener 30 and the mounting hole 1212. So set up, can effectively reduce the blade 20 with frictional force between the disk body 11, and then avoid current blade direct mount to cause the great drawback of frictional force on the disk body 11, effectively promoted the work efficiency of blade disc subassembly 100. The included angle between the groove bottom wall 121 and the groove side wall 122 is an obtuse angle, and a chamfer 1221 is arranged at the intersection of the groove side wall 122 and the tray body 11. With the arrangement, the friction force between the disc body 11 and the lawn can be effectively reduced, and the working efficiency of the cutter head assembly 100 can be effectively improved. In the radial direction of the tray body 11, a through groove 123 is further provided on one side of the knife groove 12 close to the axial center of the tray body 11, so that the blade 20, the grass, the stone and the like can pass through the through groove. Preferably, the guide table 111 and the fastener 30 are co-circular. In the present embodiment, the fastening member 30 is a screw, but in other embodiments, the fastening member 30 may have other structures, and the present invention is not limited thereto. In other embodiments, the pocket 12 may also be provided with a slot cover (not shown) disposed opposite the slot bottom wall 121 to prevent grass, vines, and dirt from catching the blades 20. The slot cover and the slot 12 may be integrally formed or may be separately formed.
Compared with the prior art, the utility model discloses cutter head assembly 100 is through inciting somebody to action blade 20 is installed in the sword groove 12 on the blade disc 10, make blade 20 is hidden in the blade disc 10, thereby has avoided blade 20 presss from both sides grass or card mud, and then has effectively promoted cutter head assembly 100's work efficiency.
Referring to fig. 6, the present invention further discloses a lawn mower 200, which includes a power mechanism (not shown) and the cutter head assembly 100. The power mechanism comprises a motor and an output shaft for outputting power outwards. The motor may be an electric motor, a gasoline engine, or the like. The cutterhead assembly 100 is mounted on the output shaft.
To sum up, the cutter head assembly 100 of the present invention installs the blades 20 in the cutter grooves 12 of the cutter head 10, so that the blades 20 are hidden in the cutter head 10, thereby avoiding grass clipping or mud blocking of the blades 20, and further effectively improving the working efficiency of the cutter head assembly 100; in addition, the cutter head assembly 100 is provided with the guide table 111 on the cutter head 11, so that the cutter head 10 can be used for straightening up and cleaning long grass, long vines and the like, and further the winding of the long grass and the long vines on the blades 20 can be effectively avoided.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (20)
1. An impeller assembly, comprising:
the cutter comprises a cutter disc and a cutter groove which is formed by inwards sinking from the edge of the cutter disc along the axial direction of the cutter disc; and
an insert mounted within the pocket and configured to: in the axial direction of the disk body, the insert does not protrude out of the pocket.
2. The cutterhead assembly of claim 1, wherein: the insert is movably mounted within the pocket by a fastener, and the fastener is configured to: in the axial direction of the disc, the fastener does not protrude outside the pocket.
3. The cutterhead assembly of claim 1, wherein: the cutter groove comprises a groove bottom wall and groove side walls positioned on two sides of the groove bottom wall; the included angle between the groove bottom wall and the groove side wall is an obtuse angle.
4. The cutterhead assembly of claim 3, wherein: and a chamfer is arranged at the intersection of the groove side wall and the tray body.
5. The cutterhead assembly of claim 1, wherein: the cutter groove comprises a groove bottom wall and groove side walls located on two sides of the groove bottom wall, a boss is arranged on the groove bottom wall, and the cutter blade is installed on the boss.
6. The cutterhead assembly of claim 1, wherein: in the radial direction of the tray body, a through groove is arranged on one side of the cutter groove close to the axle center of the tray body.
7. The cutterhead assembly of claim 1, wherein: and one side or two sides of the cutter groove are provided with guide platforms.
8. The cutterhead assembly of claim 7, wherein: and a guide wall is arranged on one side of the guide table, which is back to the rotation direction of the tray body.
9. The cutterhead assembly of claim 7, wherein: the blade is movably arranged in the cutter groove through a fastener, and the guide table and the fastener are in a same circle.
10. The cutterhead assembly of claim 7, wherein: one side of the guide table, which is away from the disc body, is provided with a cutting edge.
11. The cutterhead assembly of claim 1, wherein: one side of the disk body, which is far away from the lawn, is provided with a reinforcing rib, and the reinforcing rib is arranged along the radial direction of the disk body.
12. The cutterhead assembly of claim 11, wherein: the sipes are located between adjacent reinforcing ribs.
13. A lawn mower, comprising:
a power mechanism having an output shaft; and
a cutter head assembly, the cutter head assembly comprising:
the cutter head is arranged on the output shaft and comprises a disk body and a cutter groove formed by inwards recessing the edge of the disk body along the axial direction of the disk body; and
an insert mounted within the pocket and configured to: in the axial direction of the disk body, the insert does not protrude out of the pocket.
14. The mower of claim 13, wherein: the insert is movably mounted within the pocket by a fastener, and the fastener is configured to: in the axial direction of the disc, the fastener does not protrude outside the pocket.
15. The mower of claim 13, wherein: the cutter disc is provided with at least two cutter grooves, and the cutter grooves are distributed at equal intervals along the circumferential direction of the cutter disc.
16. The mower of claim 13, wherein: the cutter groove comprises a groove bottom wall and groove side walls positioned on two sides of the groove bottom wall; and a chamfer is arranged at the intersection of the groove side wall and the tray body.
17. The mower of claim 13, wherein: the cutter groove comprises a groove bottom wall and groove side walls located on two sides of the groove bottom wall, a boss is arranged on the groove bottom wall, and the cutter blade is installed on the boss.
18. The mower of claim 13, wherein: and one side or two sides of the cutter groove are provided with guide platforms.
19. The lawnmower of claim 18, wherein: and a guide wall is arranged on one side of the guide table, which is back to the rotation direction of the tray body.
20. The lawnmower of claim 18, wherein: the blade is movably arranged in the cutter groove through a fastener, and the guide table and the fastener are in a same circle.
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020799218.9U CN212573559U (en) | 2020-05-14 | 2020-05-14 | Cutter head assembly and mower |
| EP21803192.0A EP4149237A4 (en) | 2020-05-14 | 2021-03-31 | A robotic mower with collision and detection assemblies |
| US17/218,193 US20210352842A1 (en) | 2020-05-14 | 2021-03-31 | Robotic Mower with Collision and Detection Assemblies |
| PCT/CN2021/084567 WO2021227691A1 (en) | 2020-05-14 | 2021-03-31 | A robotic mower with collision and detection assemblies |
| US17/218,188 US20210329841A1 (en) | 2020-03-31 | 2021-03-31 | Robotic Mower with Integrated Assemblies |
| EP21166290.3A EP3888440A1 (en) | 2020-03-31 | 2021-03-31 | A robotic mower with integrated assemblies |
| PCT/CN2021/084615 WO2021197390A1 (en) | 2020-03-31 | 2021-03-31 | A robotic mower with integrated assemblies |
| EP21166309.1A EP3909411A3 (en) | 2020-05-14 | 2021-03-31 | A robotic mower with collision and detection assemblies |
| CN202180029832.4A CN115666221A (en) | 2020-05-14 | 2021-03-31 | Grass cutter |
| EP21781918.4A EP4125321A4 (en) | 2020-03-31 | 2021-03-31 | A robotic mower with integrated assemblies |
| US17/948,249 US20230008169A1 (en) | 2020-03-31 | 2022-09-20 | A Robotic Mower with Integrated Assemblies |
| US17/973,538 US20230051150A1 (en) | 2020-05-14 | 2022-10-26 | Robotic Mower with Collision and Detection Assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020799218.9U CN212573559U (en) | 2020-05-14 | 2020-05-14 | Cutter head assembly and mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212573559U true CN212573559U (en) | 2021-02-23 |
Family
ID=74640620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020799218.9U Active CN212573559U (en) | 2020-03-31 | 2020-05-14 | Cutter head assembly and mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212573559U (en) |
-
2020
- 2020-05-14 CN CN202020799218.9U patent/CN212573559U/en active Active
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