CN219893861U - Mower cutting mechanism convenient to dismantle blade - Google Patents
Mower cutting mechanism convenient to dismantle blade Download PDFInfo
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- CN219893861U CN219893861U CN202320780615.5U CN202320780615U CN219893861U CN 219893861 U CN219893861 U CN 219893861U CN 202320780615 U CN202320780615 U CN 202320780615U CN 219893861 U CN219893861 U CN 219893861U
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- blade
- cutter head
- limiting plate
- cutter
- cylinder
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 230000000670 limiting effect Effects 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000969 carrier Substances 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of mowing machinery, in particular to a mower cutting mechanism with a blade convenient to detach: including cutting the subassembly, the subassembly of mowing includes blade body, drive arrangement and limiting plate, the blade body includes cutting edge and T shape grafting portion, T shape grafting portion includes adaptation portion and bulge, the blade disc body is equipped with the recess that matches with adaptation portion, the bulge is located the lateral part of cutting edge, drive arrangement connect in the blade disc body, the limiting plate is connected drive arrangement, drive arrangement is used for the drive the limiting plate removes, makes the limiting plate switch under first state and second state.
Description
Technical Field
The utility model relates to the technical field of mowing machinery, in particular to a mower cutting mechanism with a blade convenient to detach
Background
The mower is also called a weeder, a lawnmower, a lawn trimmer and the like. The mower is a mechanical tool for trimming lawn, vegetation, etc. and consists of cutter, engine, walking wheel, walking mechanism, blade, armrest and control part. The edge of the mower cutter is generally provided with a plurality of sharp cutting edges, once the cutting edges are damaged, the whole cutter needs to be replaced, the cutter is quite uneconomical, and the cutter is easy to cut by the cutting edges in the process of mounting the cutter, so that improvement is needed.
The Chinese patent of the grant bulletin number CN212464057U discloses a wear-resistant mower blade, which comprises a lower cutter disc, the outside of lower cutter disc evenly is provided with a plurality of blade body, and a plurality of blade body's top is provided with the blade disc, be connected through coupling assembling between blade body and the lower cutter disc and the upper cutter disc, the top of lower cutter disc evenly is fixed with a plurality of fixing screw, fixing screw runs through the top that the upper cutter disc extends to the upper cutter disc, fixing screw's outside is provided with the fixation nut subassembly, the fixed slot has been seted up to the inside of going up the blade disc and the position department that corresponds the fixation nut subassembly. Specifically, the fixed nut assembly includes internal thread nut body, external screw thread, protective housing, holding tank, rotation handle and mounting groove 47, and protective housing's inside is provided with the rotation handle by the top, and the holding tank has been seted up to protective housing's inside and the position department that is located the rotation handle below, and protective housing's inside is offered the mounting groove by the below, and the lateral wall of mounting groove is provided with the external screw thread, and internal screw thread 41 has been seted up to the inside wall of mounting groove and the position department that corresponds the external screw thread, and the inside of mounting groove is fixed with the nut body by the top. This patent is even though can damage at the blade and need not whole change, only need carry out single change blade and come reduce cost, but, the step of changing single blade is loaded down with trivial details, and is cut by the cutting edge of blade very easily in the change process, consequently, need the lawn mower cutting mechanism of a convenient to dismantle blade, simple structure, the blade is changed conveniently, avoids loaded down with trivial details change in-process to be cut by the cutting edge.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the mower cutting mechanism is simple in structure, convenient and fast to replace, and capable of avoiding cutting by the cutting edge in the tedious replacement process.
In order to solve the technical problems, the utility model adopts the following technical scheme: a mower cutting mechanism with a blade that is easy to disassemble, comprising:
the cutter head comprises a cutter head body, wherein the cutter head body is in the shape of a revolving body;
the mowing assembly is arranged in a circumferential array mode in the axial direction of the cutter head body, the mowing assembly comprises a cutter blade body, a driving device and a limiting plate, the cutter blade body comprises a cutter blade and a T-shaped inserting part, the T-shaped inserting part comprises an adapting part and a protruding part, the cutter head body is provided with a groove matched with the adapting part, the protruding part is located at the side part of the cutter blade, the driving device is connected with the cutter head body, the limiting plate is connected with the driving device, and the driving device is used for driving the limiting plate to move so that the limiting plate can be switched between a first state and a second state;
the limiting plate is abutted against the outer end of the protruding part in a first state;
and in a second state, the limiting plate is separated from the outer end of the protruding part.
Further, the length of the blade is 3cm-5cm.
Further, the drive arrangement is double-end cylinder, the cylinder body of double-end cylinder connect in the blade disc body, the direction of movement of double-end cylinder is perpendicular to the radial of blade disc, the direction of movement of double-end cylinder is perpendicular to the axial of blade disc, the limiting plate has two, two the limiting plate connect in on the piston rod of double-end cylinder, the bulge has two, two the bulge respectively with two the limiting plate cooperation is spacing.
Further, still include the transmission shaft, the blade disc body includes blade disc and lower blade disc, the transmission shaft respectively with go up the coaxial fixed connection of blade disc and lower blade disc, it is equipped with the T-slot to go up the blade disc, the cylinder body of double-end cylinder connect in the T-slot.
Further, the cutter head body comprises a cutter head, the cutter head is located between the upper cutter head and the lower cutter head, and the groove is formed in the cutter head.
The utility model has the beneficial effects that: the driving device is connected with the cutter head body, the limiting plate is connected with the driving device, the driving device drives the limiting plate to move, the limiting plate is switched from a first state to a second state, then the cutter blade body is taken out from the concave part of the cutter head body, then the cutter blade body is inserted into the groove of the cutter head body with a brand new cutter blade body, the limiting plate is switched to the first state from the second state again, the replacement of the whole blade body is completed, the blade is replaced more conveniently than the prior art through the connection mode with the specific structure, and the situation that the blade is cut by the blade edge in the tedious blade replacement process can be avoided.
Drawings
FIG. 1 is a schematic illustration of a mower cutting mechanism with a blade that is easy to disassemble in accordance with an embodiment of the present utility model;
FIG. 2 is a top view of a mower cutting mechanism with a blade that is easy to disassemble in accordance with an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of FIG. 2 A-A;
FIG. 4 is a side view of a mower cutting mechanism with a blade that is easy to disassemble in accordance with an embodiment of the present utility model;
fig. 5 is a schematic cross-sectional view of fig. 4B-B.
Description of the reference numerals:
1. a cutterhead body; 11. an upper cutter head; 111. a T-shaped groove; 12. a lower cutter head; 13. a tool apron; 131. a groove; 2. a mowing assembly; 21. a blade body; 211. a blade; 212. a T-shaped plug-in part; 2121. an adapting section; 2122. a protruding portion; 22. a driving device; 23. a limiting plate; 3. and a transmission shaft.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 5, a mower cutting mechanism with a blade convenient to disassemble includes:
the cutter head comprises a cutter head body 1, wherein the cutter head body 1 is in the shape of a revolving body;
the mowing assembly 2, more than 1 mowing assemblies 2 are distributed in a circumferential array in the axial direction of the cutter head body 1, the mowing assembly 2 comprises a cutter blade body 21, a driving device 22 and a limiting plate 23, the cutter blade body 21 comprises a cutter blade 211 and a T-shaped inserting part 212, the T-shaped inserting part 212 comprises an adapting part 2121 and a protruding part 2122, the cutter head body 1 is provided with a groove 131 matched with the adapting part 2121, the protruding part 2122 is positioned at the side part of the cutter blade 211, the driving device 22 is connected with the cutter head body 1, the limiting plate 23 is connected with the driving device 22, and the driving device 22 is used for driving the limiting plate 23 to move so as to switch the limiting plate 23 between a first state and a second state;
a first state in which the limiting plate 23 abuts against the outer end of the protruding portion 2122;
in the second state, the limiting plate 23 is separated from the outer end of the protruding portion 2122.
In the above embodiment, the blade body 21 is mounted on the cutterhead body 1, the limiting effect of the limiting plate 23 is utilized, so that the blade body 21 is not easy to fly away when rotating, after a mower is used for a period of time, if one of the blade bodies 21 is worn seriously, the limiting plate 23 is moved by the driving device 22, the limiting plate 23 is switched from the first state to the second state, then the blade body 21 is taken out from the concave part of the cutterhead body 1, then the brand-new blade body 21 is inserted into the groove 131 of the cutterhead body 1, the limiting plate 23 is switched from the second state to the first state, and the replacement of the whole blade body 21 is completed.
As an alternative embodiment, the length of the blade 211 is 3cm-5cm.
In the above embodiment, if the blade 211 is more than 5cm, although the weeding surface is increased, the load of the mower is increased, and mowing by the blade 211 is easily caused, and if the blade 211 is less than 3cm, the blade 211 cannot be exposed outside the cutterhead, and the mowing function is not performed.
As an alternative embodiment, the driving device 22 is a double-head cylinder, the cylinder body of the double-head cylinder is connected to the cutterhead body 1, the moving direction of the double-head cylinder is perpendicular to the radial direction of the cutterhead, the moving direction of the double-head cylinder is perpendicular to the axial direction of the cutterhead, two limiting plates 23 are arranged, two limiting plates 23 are connected to the piston rod of the double-head cylinder, two protruding portions 2122 are arranged, and the two protruding portions 2122 are respectively matched with the two limiting plates 23 to limit.
In the above embodiment, the two limiting plates 23 are abutted against the two protruding portions 2122 to play a limiting role, so that the cutter assembly cannot be thrown away by the cutter body 21 when rotating, and stability of the cutter body 21 in connection with the cutter head body 1 is improved.
As an alternative implementation manner, the cutter head body 1 further comprises a transmission shaft 3, the cutter head body 1 comprises an upper cutter head 11 and a lower cutter head 12, the transmission shaft 3 is fixedly connected with the upper cutter head 11 and the lower cutter head 12 coaxially, the upper cutter head 11 is provided with a T-shaped groove, and the cylinder body of the double-head cylinder is connected in the T-shaped groove 111.
In the above embodiment, the T-shaped groove 111 is provided, so that the double-headed cylinder is positioned in the T-shaped groove 111, and the double-headed cylinder does not interfere with the blade body 21 when driving the limiting plate 23, thereby limiting the operation of the blade body 21.
As an alternative embodiment, the cutterhead body 1 includes a cutter seat 13, the cutter seat 13 is located between the upper cutterhead 11 and the lower cutterhead 12, and the groove 131 is provided in the cutter seat 13.
In the above embodiment, since the cutter holder 13 is located between the upper cutter head 11 and the lower cutter head 12, the blade body 21 is also located between the upper cutter head 11 and the lower cutter head 12, firstly, the blade body 21 is protected, the service life of the blade body 21 is prolonged, and secondly, the operator is not easy to be cut by the blade body 21.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (5)
1. Mower cutting mechanism convenient to dismantle blade, its characterized in that includes:
the cutter head comprises a cutter head body, wherein the cutter head body is in the shape of a revolving body;
the mowing assembly is arranged in a circumferential array mode in the axial direction of the cutter head body, the mowing assembly comprises a cutter blade body, a driving device and a limiting plate, the cutter blade body comprises a cutter blade and a T-shaped inserting part, the T-shaped inserting part comprises an adapting part and a protruding part, the cutter head body is provided with a groove matched with the adapting part, the protruding part is located at the side part of the cutter blade, the driving device is connected with the cutter head body, the limiting plate is connected with the driving device, and the driving device is used for driving the limiting plate to move so that the limiting plate can be switched between a first state and a second state;
the limiting plate is abutted against the outer end of the protruding part in a first state;
and in a second state, the limiting plate is separated from the outer end of the protruding part.
2. A mower cutting mechanism for facilitating removal of blades as claimed in claim 1, wherein said blade is 3cm to 5cm in length.
3. The mower cutting mechanism with the blades convenient to detach according to claim 1, wherein the driving device is a double-head cylinder, a cylinder body of the double-head cylinder is connected to the cutter head body, the moving direction of the double-head cylinder is perpendicular to the radial direction of the cutter head, the moving direction of the double-head cylinder is perpendicular to the axial direction of the cutter head, two limiting plates are arranged, two limiting plates are connected to a piston rod of the double-head cylinder, two protruding parts are arranged, and the two protruding parts are respectively matched with the two limiting plates to limit.
4. The mower cutting mechanism with convenient blade disassembly according to claim 3, further comprising a transmission shaft, wherein the cutter head body comprises an upper cutter head and a lower cutter head, the transmission shaft is respectively and fixedly connected with the upper cutter head and the lower cutter head coaxially, the upper cutter head is provided with a T-shaped groove, and the cylinder body of the double-head cylinder is connected in the T-shaped groove.
5. The mower cutting mechanism of claim 4 wherein said blade carrier body includes a blade carrier, said blade carrier being positioned between said upper and lower blade carriers, said recess being provided in said blade carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320780615.5U CN219893861U (en) | 2023-04-11 | 2023-04-11 | Mower cutting mechanism convenient to dismantle blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320780615.5U CN219893861U (en) | 2023-04-11 | 2023-04-11 | Mower cutting mechanism convenient to dismantle blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219893861U true CN219893861U (en) | 2023-10-27 |
Family
ID=88429435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320780615.5U Active CN219893861U (en) | 2023-04-11 | 2023-04-11 | Mower cutting mechanism convenient to dismantle blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219893861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117652275A (en) * | 2023-12-26 | 2024-03-08 | 西北农林科技大学 | Small-size closed orchard weeding device |
-
2023
- 2023-04-11 CN CN202320780615.5U patent/CN219893861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117652275A (en) * | 2023-12-26 | 2024-03-08 | 西北农林科技大学 | Small-size closed orchard weeding device |
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