A self-locking aluminum disc for lawn mower
By designing a self-engaged blade fixing mechanism in the lawn mower and using a power motor to drive the bidirectional threaded rod and the moving slider, the blade is replaced quickly and conveniently, solving the problem of time-consuming and labor-intensive replacement of the blade in the prior art.
Patent Information
- Application Number
- CN202420782995.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-16
AI Technical Summary
The existing lawn mower blades are fixed by bolts, etc., which makes it time-consuming and labor-intensive to replace the old blades.
A self-engaged lawn mower aluminum disk is designed, and a self-engaged blade fixing mechanism is used to drive the bidirectional threaded rod and the moving slider through a power motor to automatically mount the fixing tool and avoid the use of bolts.
It realizes the quick and convenient blade replacement, reduces the difficulty and time of replacing the tool, and avoids rust problems at the bolt contact.
Smart Images

Figure CN222692331U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lawn mowers, in particular to a self-clamping aluminum plate for lawn mowers. Background Art
[0002] A lawn mower, also known as a weed cutter, lawn mower, lawn trimmer, etc., is a tool used to trim lawns and vegetation to make the grass on the lawn neat and beautiful. The lawn mower aluminum disc is a device that is linked to the lawn mower motor and is used to install and fix the lawn mower blade.
[0003] Patent No. CN202773369U discloses a lawn mower blade disc for mounting a lawn mower blade, comprising a disc body, the disc body being circular, a mounting hole being arranged in the center of the disc body, a groove being arranged on the disc body for accommodating the blade, a fixing hole being arranged on the bottom surface of the groove; there are three grooves evenly distributed on the disc body; the fixing hole is rectangular or hexagonal. The utility model lawn mower blade disc is provided with a groove for accommodating the lawn mower blade on the circular disc, a mounting hole is arranged at the bottom of the groove, the blade can be directly clamped in the groove and fixed by bolts, the side wall of the groove can prevent the blade from shaking left and right and loosening, and bolts are used to fix the lawn mower blade when installing it, which makes the process of removing the lawn mower blade troublesome and time-consuming.
[0004] In the actual application of lawn mowers, the blades are replaced very frequently. The blades are connected to the cutter disc by screws or other fixing methods. It is very time-consuming and laborious to replace the old blades. Utility Model Content
[0005] The utility model aims to provide a self-locking aluminum plate for lawn mowers, so as to solve the problem in the above background technology that the blade of the lawn mower is fixed by bolts or the like, which is very time-consuming and labor-intensive when replacing the old blade.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-locking aluminum plate for a lawn mower, comprising a chassis, wherein short assembly legs are arranged on both sides of one end of the bottom of the chassis, long assembly legs are arranged on both sides of the other end of the bottom of the chassis, movable rollers are installed at the bottoms of the long assembly legs and the short assembly legs, a functional opening is opened at one end of the top of the chassis, an assembly opening is opened at the other end of the top of the chassis, and an outer shell is installed at the top of the chassis;
[0007] A fixing mechanism for a self-locking blade is provided below the chassis, the fixing mechanism comprises a rotating aluminum plate, an assembly frame is installed at the bottom of the rotating aluminum plate, a bidirectional threaded rod is installed between the two ends in the cavity of the assembly frame, and both ends of the outer side of the bidirectional threaded rod are sleeved with movable sliders, the bottoms of the two movable sliders are respectively connected to the top of the L-shaped fixer, one side of the two L-shaped fixers is respectively inserted into two fixing ears, and the two fixing ears are respectively installed at the two ends of the top of the tool, a power motor is installed on one side of the assembly frame, and the output end of the power motor is connected to one end of the bidirectional threaded rod;
[0008] The other end of the top of the chassis is provided with a spraying mechanism for spraying the nutrient solution, and the spraying mechanism comprises a spraying pipe, and the spraying pipe is installed in the assembly port.
[0009] Furthermore, the top of the rotating aluminum plate is connected to the bottom of the assembly frame, and the two ends of the top of the assembly frame are respectively connected to two adjusting sliders.
[0010] Furthermore, the two adjusting sliders are respectively sleeved below the outer side of the adjusting screw, and the two adjusting screws are respectively installed on both sides of one end of the top of the chassis and close to the assembly port. A power shaft is installed at one end of the top of the outer shell cavity.
[0011] Furthermore, one end of two belts are respectively sleeved on the upper and lower sides of the outer side of the power shaft, and the other ends of the two belts are respectively sleeved on the outer sides above the two adjusting screws. A lawn mowing motor is installed at the bottom of the assembly frame cavity, and the output end of the lawn mowing motor is connected to the top of the rotating aluminum plate. An adjustment handle is installed at one end of the top of the outer shell, and the bottom of the adjustment handle is connected to the top of the power shaft.
[0012] Furthermore, an assembly cross bar is installed below the two assembly long legs, and two ends of one side of the assembly cross bar are respectively connected to connecting rods at two ends of one side of the front baffle.
[0013] Furthermore, nozzles are installed in an array at the bottom of the spray pipe, the top of the spray pipe is connected to one end of a delivery pipe, the other end of the delivery pipe is connected to one end of a water pump, and the other end of the water pump is connected to the top of one side of a liquid storage tank.
[0014] Furthermore, a water suction pipe is installed on the upper side of one side of the liquid storage tank cavity, and the water suction pipe is connected to the water pump. A sealing cover is installed on the top of the liquid storage tank. The liquid storage tank is installed at one end of the top of the chassis and close to the assembly port.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The design of the fixing mechanism allows the mower to automatically engage and fix the cutter, without the need to use bolts to fix the cutter, saving replacement time. At the same time, it avoids rust at the contact point between the cutter and the bolt, making disassembly inconvenient, and reduces the difficulty of replacing the cutter.
[0017] 2. Use the power motor to rotate the bidirectional threaded rod so that the two moving sliders on the bidirectional threaded rod carry L-shaped fixers respectively and are inserted into the fixed ears of the tool at the same time to fix the tool. The operation is simple and fast, effectively saving time.
[0018] 3. By designing the spraying mechanism, the plants can be sprayed with nutrient solution after the lawn mower mows the grass, so that the vegetation can grow better. At the same time, spraying and mowing are carried out at the same time, and the staff does not need to work on the lawn for the second time, which reduces the workload.
[0019] 4. Use a water pump, a water pipe and a delivery pipe to transport the nutrient solution stored in the storage tank to the spray pipe, and then spray it out from the nozzle on the spray pipe.
[0020] 5. The front baffle can be used to clean up stones and small animals that the user has not noticed before the lawn mower cuts the grass, preventing stones and other hard objects from damaging the cutter and protecting the ecology of the lawn. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the chassis of the utility model;
[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the rotating aluminum plate of the utility model;
[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the tool of the utility model;
[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the assembly frame of the utility model;
[0026] Figure 6 This is a schematic diagram of the three-dimensional structure of the front baffle of the utility model;
[0027] Figure 7 It is a schematic diagram of the three-dimensional structure of the liquid storage tank of the utility model.
[0028] In the figure: 1. chassis; 2. assembling short legs; 3. assembling long legs; 4. moving rollers; 5. functional ports; 6. assembly ports; 7. outer shell; 8. rotating aluminum plate; 9. assembly frame; 10. two-way threaded rod; 11. moving slider; 12. L-shaped fixture; 13. fixing ears; 14. tool; 15. spray pipe; 16. assembly frame; 17. power motor; 18. adjusting slider; 19. adjusting screw; 20. power shaft; 21. belt; 22. mowing motor; 23. adjusting handle; 24. assembly cross bar; 25. front baffle; 26. connecting rod; 27. nozzle; 28. delivery pipe; 29. water pump; 30. liquid storage tank; 31. water suction pipe; 32. sealing cover. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] See also Figure 1-Figure 7 The utility model provides the following technical solutions: a self-locking aluminum plate for a lawn mower, comprising a chassis 1, short assembly legs 2 are provided on both sides of one end of the bottom of the chassis 1, long assembly legs 3 are provided on both sides of the other end of the bottom of the chassis 1, moving rollers 4 are installed at the bottoms of the long assembly legs 3 and the short assembly legs 2, a functional opening 5 is opened at one end of the top of the chassis 1, an assembly opening 6 is opened at the other end of the top of the chassis 1, and an outer shell 7 is installed at the top of the chassis 1;
[0031] Embodiment 1
[0032] like Figure 1-Figure 5 As shown, the device can quickly and conveniently replace the blade by designing a fixing mechanism, as follows:
[0033] A fixing mechanism for a self-locking blade is provided below the chassis 1, and the fixing mechanism includes a rotating aluminum plate 8, an assembly frame 9 is installed at the bottom of the rotating aluminum plate 8, a bidirectional threaded rod 10 is installed between the two ends in the cavity of the assembly frame 9, and both ends of the outer side of the bidirectional threaded rod 10 are sleeved with movable sliders 11, and the bottoms of the two movable sliders 11 are respectively connected to the tops of L-shaped fixtures 12, and one side of the two L-shaped fixtures 12 is respectively inserted into two fixing ears 13, and the two fixing ears 13 are respectively installed at the two ends of the top of the tool 14, and a power motor 17 is installed on one side of the assembly frame 9, and the output end of the power motor 17 is connected to one end of the bidirectional threaded rod 10;
[0034] The top of the rotating aluminum plate 8 is connected to the bottom of the assembly frame 16, and the two ends of the top of the assembly frame 16 are respectively connected to two adjusting sliders 18, and the two adjusting sliders 18 are respectively sleeved on the lower side of the outer side of the adjusting screw 19, and the two adjusting screws 19 are respectively installed on both sides of one end of the top of the chassis 1, and close to the assembly port 6, a power shaft 20 is installed at one end of the top of the outer shell 7 cavity, and one end of two belts 21 are respectively sleeved on the upper and lower sides of the outer side of the power shaft 20, and the other ends of the two belts 21 are respectively sleeved on the outer side above the two adjusting screws 19, and a mowing motor 22 is installed at the bottom of the assembly frame 16 cavity, and the output end of the mowing motor 22 is connected to the top of the rotating aluminum plate 8, and an adjusting handle 23 is installed at one end of the top of the outer shell 7, and the bottom of the adjusting handle 23 is connected to the top of the power shaft 20;
[0035] The mowing motor 22 is used to rotate the aluminum plate 8 with the cutter 14 to cut the grass. The adjusting handle 23 is turned to make the power shaft 20 and the belt 21 cooperate. The adjusting screw 19 is turned to make the adjusting slider 18 move the aluminum plate 8 up and down to adjust the position, so that the user can control the depth of the lawn grass when mowing. At the same time, the cutter 14 can be stored in the outer shell 7 to protect the cutter 14.
[0036] Embodiment 2
[0037] like Figure 6 As shown, the device is designed to protect the blade during use, as follows:
[0038] An assembly cross bar 24 is installed below the two assembly long legs 3, and two ends of one side of the assembly cross bar 24 are respectively connected to connecting rods 26 at two ends of one side of the front baffle 25;
[0039] The front baffle 25 is used to handle hard objects such as stones in the lawn grass to prevent the cutter 14 from contacting with the hard objects such as stones and causing damage to the cutter 14.
[0040] Embodiment 3
[0041] like Figure 2 and Figure 7 As shown, the device can maintain the lawn cut by the lawn mower through the spraying mechanism, as follows:
[0042] The other end of the top of the chassis 1 is provided with a spraying mechanism for spraying nutrient solution, the spraying mechanism includes a spraying pipe 15, the spraying pipe 15 is installed in the assembly port 6, the bottom of the spraying pipe 15 is provided with a nozzle 27 in an array, the top of the spraying pipe 15 is connected to one end of a delivery pipe 28, the other end of the delivery pipe 28 is connected to one end of a water pump 29, the other end of the water pump 29 is connected to the upper side of one side of a liquid storage tank 30, a water suction pipe 31 is installed above one side of the cavity of the liquid storage tank 30, and the water suction pipe 31 is connected to the water pump 29, a sealing cover 32 is installed on the top of the liquid storage tank 30, and the liquid storage tank 30 is installed at one end of the top of the chassis 1 and close to the assembly port 6;
[0043] The spraying pipe 15 is used to assemble multiple nozzles 27 to expand the spraying range. The water pump 31 is convenient for the water pump 29 to absorb the nutrient solution at the bottom of the liquid storage tank 30, and the water pump 29 provides power for spraying the nutrient solution.
[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A self-locking aluminum plate for a lawn mower, comprising a chassis (1), wherein short assembly legs (2) are arranged on both sides of one end of the bottom of the chassis (1), and long assembly legs (3) are arranged on both sides of the other end of the bottom of the chassis (1), and movable rollers (4) are installed at the bottoms of the long assembly legs (3) and the short assembly legs (2), a functional opening (5) is opened at one end of the top of the chassis (1), and an assembly opening (6) is opened at the other end of the top of the chassis (1), and an outer shell (7) is installed at the top of the chassis (1); It is characterized in that A fixing mechanism for a self-locking blade is provided below the chassis (1), the fixing mechanism comprising a rotating aluminum plate (8), an assembly frame (9) is installed at the bottom of the rotating aluminum plate (8), a bidirectional threaded rod (10) is installed between the two ends in the cavity of the assembly frame (9), and both ends of the outer side of the bidirectional threaded rod (10) are sleeved with movable sliders (11), the bottoms of the two movable sliders (11) are respectively connected to the top of an L-shaped fixer (12), one side of the two L-shaped fixers (12) is respectively inserted into two fixing ears (13), and the two fixing ears (13) are respectively installed at the two ends of the top of the tool (14), and a power motor (17) is installed on one side of the assembly frame (9), and the output end of the power motor (17) is connected to one end of the bidirectional threaded rod (10); The other end of the top of the chassis (1) is provided with a spraying mechanism for spraying nutrient solution, and the spraying mechanism comprises a spraying pipe (15), and the spraying pipe (15) is installed in the assembly port (6).
2. A self-locking aluminum plate for lawn mower according to claim 1, characterized in that: The top of the rotating aluminum plate (8) is connected to the bottom of the assembly frame (16), and the two ends of the top of the assembly frame (16) are respectively connected to two adjusting sliders (18).
3. A self-locking aluminum plate for lawn mower according to claim 2, characterized in that: The two adjusting sliders (18) are respectively sleeved below the outer side of the adjusting screw (19), and the two adjusting screws (19) are respectively installed on both sides of one end of the top of the chassis (1) and close to the assembly port (6). A power shaft (20) is installed at one end of the top of the cavity of the outer shell (7).
4. A self-locking aluminum plate for lawn mower according to claim 3, characterized in that: One end of two belts (21) are respectively sleeved on the upper and lower sides of the outer side of the power shaft (20), and the other ends of the two belts (21) are respectively sleeved on the outer sides above the two adjusting screws (19). A mowing motor (22) is installed at the bottom of the cavity of the assembly frame (16), and the output end of the mowing motor (22) is connected to the top of the rotating aluminum plate (8). An adjusting handle (23) is installed at one end of the top of the outer shell (7), and the bottom of the adjusting handle (23) is connected to the top of the power shaft (20).
5. The self-locking aluminum plate for lawn mower according to claim 1, characterized in that: An assembly cross bar (24) is installed below the two assembly long legs (3), and two ends of one side of the assembly cross bar (24) are respectively connected to connecting rods (26) at two ends of one side of the front baffle (25).
6. A self-locking aluminum plate for lawn mower according to claim 1, characterized in that: The bottom of the spray pipe (15) is provided with nozzles (27) in an array, the top of the spray pipe (15) is connected to one end of a delivery pipe (28), the other end of the delivery pipe (28) is connected to one end of a water pump (29), and the other end of the water pump (29) is connected to the upper side of one side of a liquid storage tank (30).
7. A self-locking aluminum plate for lawn mower according to claim 6, characterized in that: A water drawing pipe (31) is installed above one side of the cavity of the liquid storage tank (30), and the water drawing pipe (31) is connected to the water pump (29). A sealing cover (32) is installed on the top of the liquid storage tank (30). The liquid storage tank (30) is installed at one end of the top of the chassis (1) and is close to the assembly port (6).
Citation Information
Patent Citations
Cutting disk for mowing machine
CN202773369U