Transmission device for mowing mechanism
By designing the transmission device of the mowing mechanism, the motor drives the active disc and the driven disc to achieve joint drive of the mowing knife and the wheel, the problem of heavy and high cost of the existing lawn mower is solved and the use of the engine is reduced quantity, improve efficiency and economy.
Patent Information
- Application Number
- CN202421025289.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-13
AI Technical Summary
The existing lawn mowers are controlled by the mowing knife and the walking wheel respectively through two engines, resulting in heavy and high cost.
A transmission device for mowing mechanism is designed to drive the active disc through a motor, and the active disc drives the first and second driven discs, so as to realize the joint drive of the mowing knife and the wheel, reducing the dependence on the engine.
The function of the motor to drive the mowing knife and wheels simultaneously, reducing the weight and cost of the fuselage.
Smart Images

Figure CN222216523U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of mowing mechanisms, and particularly relates to a transmission device for mowing mechanisms. Background Art
[0002] A lawn mower is also called a weed cutter, a lawn mower, a lawn trimmer, etc. A lawn mower is a mechanical tool used to trim lawns, vegetation, etc. It consists of a mowing blade, an engine, a running wheel, a handrail, and a control part. The mowing blade is equipped with an engine, and the mowing blade cuts the grass by rotating under the action of the engine. At the same time, the running wheel is also equipped with an engine, and the running wheel moves under the action of the engine, which reduces a lot of manpower.
[0003] However, currently the mowing blade and the traveling wheel are controlled by two engines respectively, which not only makes the machine body heavier but also makes the cost higher. Utility Model Content
[0004] The utility model provides a transmission device for a mowing mechanism, which solves the above problems.
[0005] The technical solution of the utility model is implemented as follows: a transmission device for a mowing mechanism, comprising:
[0006] The motor has a motor base at the bottom, and the motor and the motor base are connected via a motor fixing column;
[0007] A transmission housing is fixedly arranged at the bottom of the motor base, a transmission assembly is arranged in the transmission housing, and the transmission assembly includes a driving disk, the driving disk and the motor transmission shaft of the motor are fixedly connected, a first driven disk is arranged on one side of the driving disk, and a second driven disk is arranged on the other side of the driving disk, a transmission connection is arranged between the driving disk and the first driven disk, and a transmission connection is arranged between the driving disk and the second driven disk.
[0008] The utility model fixes the motor through the motor base, and drives the active disk to rotate through the motor transmission shaft, and the active disk drives the first driven disk and the second driven disk to rotate at the same time.
[0009] As a preferred implementation, the active disk includes:
[0010] The first main disc body is connected to the first driven disc through a first transmission belt;
[0011] The second main disc body is connected to the bottom of the first main disc body, and the second main disc body is connected to the second driven disc through a second transmission belt.
[0012] In the utility model, the first main disc body and the second main disc body rotate simultaneously under the action of the motor transmission shaft, the first driven disc rotates under the action of the first transmission belt, and the second driven disc rotates under the action of the second transmission belt.
[0013] As a preferred embodiment, the transmission housing includes an upper housing and a lower housing, the upper housing is covered on the top of the lower housing, a handle is provided on the outside of the upper housing, one side of the lower housing is connected to a mowing housing, the bottom of the mowing housing is connected to a mowing blade, and the other side of the lower housing is connected to a wheel, and the two wheels are connected by an axle.
[0014] As a preferred embodiment, a second guide frame is provided on the top of the lower shell body, a second guide wheel is provided on the top of the second guide frame, the second guide wheel is provided on one side of the second transmission belt and abuts against the second transmission belt, a third guide frame is also provided on the top of the lower shell body, a third guide wheel is provided on the top of the third guide frame, and the second guide wheel and the third guide wheel are rotatably connected.
[0015] The second guide wheel is used to limit the position of the second transmission belt so that the second transmission belt is in a tensioned state. The third guide wheel abuts against the second guide wheel and rotates with the rotation of the second guide wheel to prevent the position of the second guide wheel from shifting, thereby further tightening the second transmission belt.
[0016] As a preferred embodiment, a guard frame is provided on one side of the second driven disk, a mowing transmission shaft is provided on the bottom of the second driven disk, and the mowing transmission shaft and the mowing blade are fixedly connected.
[0017] As a preferred embodiment, a first guide frame is disposed on the top of the lower shell, a first guide wheel is disposed on the top of the first guide frame, and the first guide wheel is abutted against the first transmission belt.
[0018] The utility model limits the position of the first transmission belt through the first guide wheel, so that the first transmission belt is in a tensioned state.
[0019] As a preferred implementation, the first driven disk is connected to the lower shell body through a disk body fixing frame.
[0020] After adopting the above technical solution, the beneficial effects of the utility model are:
[0021] The utility model drives the active disk to rotate by a motor, and the active disk drives the first driven disk and the second driven disk to rotate at the same time. The first driven disk is used to drive the wheel to rotate, and the second driven disk is used to drive the lawn mower to operate, thereby achieving the technical effect that the motor drives the lawn mower and the wheel at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0023] Figure 1 It is a structural schematic diagram of the utility model;
[0024] Figure 2 Schematic diagram of the internal structure of the transmission housing;
[0025] Figure 3 is a schematic diagram of the structure of the transmission component;
[0026] Figure 4 Another structural schematic diagram of the transmission component.
[0027] In the figure, 1-motor; 2-motor base; 3-motor fixing column; 4-transmission housing; 5-transmission assembly; 6-mowing housing; 7-wheel; 8-axle; 10-motor transmission shaft; 40-upper housing; 41-lower housing; 42-handle; 50-driving disk; 51-first driven disk; 52-second driven disk; 53-first transmission belt; 54-second transmission belt; 410-first guide wheel; 411-second guide frame; 412-second guide wheel; 413-third guide frame; 414-third guide wheel; 415-guard frame; 416-disk fixing frame; 500-first main disk; 501-second main disk. DETAILED DESCRIPTION
[0028] 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 of 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.
[0029] according to Figures 1 to 4As shown, a transmission device for a mowing mechanism includes a transmission housing 4, and the transmission housing 4 includes an upper housing 40 and a lower housing 41. The upper housing 40 is covered on the top of the lower housing 41, and a handle 42 is provided on the outer side of the upper housing 40. A mowing housing 6 is connected to one side of the lower housing 41, and a mowing blade is connected to the bottom of the mowing housing 6. A wheel 7 is connected to the other side of the lower housing 41. The wheel 7 includes two wheels, and the two wheels 7 are connected by an axle 8. The mowing blade mows the grass by rotating and the wheel 7 moves by rotating, which are both common technical means in the prior art, so no further elaboration will be made here.
[0030] A motor base 2 is arranged on the top of the transmission housing 4, and a motor is arranged on the top of the motor base 2. The motor and the motor base 2 are connected by a motor fixing column 3. A transmission assembly 5 is arranged in the transmission housing 4, and the transmission assembly 5 includes an active disk 50, and the active disk 50 is fixedly connected to the motor transmission shaft 10 of the motor. A first driven disk 51 is arranged on one side of the active disk 50, and a second driven disk 52 is arranged on the other side of the active disk 50. The active disk 50 and the first driven disk 51 are transmission-connected, and the active disk 50 and the second driven disk 52 are transmission-connected.
[0031] The utility model fixes the motor through the motor base 2, and drives the active disk 50 to rotate through the motor transmission shaft 10, and the active disk 50 drives the first driven disk 51 and the second driven disk 52 to rotate at the same time. A guard 415 is provided on one side of the two driven disks, and a mowing transmission shaft is provided at the bottom of the second driven disk 52. The mowing transmission shaft and the mowing blade are fixedly connected. The method of driving the active disk 50 to rotate through the motor transmission shaft 10 is a commonly used technical means in the prior art, and no more details will be given here.
[0032] The active disk 50 includes a first main disk body 500 and a second main disk body 501, and the first driven disk 51 is connected to the lower housing 41 through the disk body fixing frame 416. The first main disk body 500 and the first driven disk 51 are connected by a first transmission belt 53, the second main disk body 501 is connected and arranged at the bottom of the first main disk body 500, and the second main disk body 501 and the second driven disk 52 are connected by a second transmission belt 54. In the utility model, the first main disk body 500 and the second main disk body 501 rotate simultaneously under the action of the motor transmission shaft 10, the first driven disk 51 rotates under the action of the first transmission belt 53, and the second driven disk 52 rotates under the action of the second transmission belt 54.
[0033] A first guide frame is provided at the top of the lower shell 41, and a first guide wheel 410 is provided at the top of the first guide frame. The first guide wheel 410 is in contact with the first transmission belt 53. The utility model limits the position of the first transmission belt 53 by the first guide wheel 410, so that the first transmission belt 53 is in a tensioned state. A second guide frame 411 is provided at the top of the lower shell 41, and a second guide wheel 412 is provided at the top of the second guide frame 411. The second guide wheel 412 is provided on one side of the second transmission belt 54 and in contact with the second transmission belt 54. A third guide frame 413 is also provided at the top of the lower shell 41, and a third guide wheel 414 is provided at the top of the third guide frame 413. The second guide wheel 412 and the third guide wheel 414 are rotatably connected.
[0034] The second guide wheel 412 is used to limit the position of the second transmission belt 54 so that the second transmission belt 54 is in a tensioned state. The third guide wheel 414 abuts against the second guide wheel 412 and rotates with the rotation of the second guide wheel 412 to prevent the position of the second guide wheel 412 from shifting, thereby further tensioning the second transmission belt 54.
[0035] The utility model drives the active disk 50 to rotate through the motor, and the active disk 50 drives the first driven disk 51 and the second driven disk 52 to rotate at the same time. The first driven disk 51 is used to drive the wheel 7 to rotate, and the second driven disk 52 is used to drive the lawn mower to operate, thereby achieving the technical effect of the motor driving the lawn mower and the wheel 7 at the same time.
[0036] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.
[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 transmission device for a mowing mechanism, characterized in that: include: The motor has a motor base at the bottom, and the motor and the motor base are connected via a motor fixing column; A transmission housing is fixedly arranged at the bottom of the motor base, a transmission assembly is arranged in the transmission housing, and the transmission assembly includes a driving disk, the driving disk and the motor transmission shaft of the motor are fixedly connected, a first driven disk is arranged on one side of the driving disk, and a second driven disk is arranged on the other side of the driving disk, a transmission connection is arranged between the driving disk and the first driven disk, and a transmission connection is arranged between the driving disk and the second driven disk.
2. A transmission device for a lawn mower according to claim 1, characterized in that: The active disk comprises: The first main disc body is connected to the first driven disc through a first transmission belt; The second main disc body is connected to the bottom of the first main disc body, and the second main disc body is connected to the second driven disc through a second transmission belt.
3. A transmission device for a lawn mower according to claim 2, characterized in that: The transmission housing includes an upper housing and a lower housing. The upper housing is covered on the top of the lower housing. A handle is provided on the outer side of the upper housing. A mowing housing is connected to one side of the lower housing. A mowing blade is connected to the bottom of the mowing housing. A wheel is connected to the other side of the lower housing. The two wheels are connected by an axle.
4. A transmission device for a mowing mechanism according to claim 3, characterized in that: A second guide frame is arranged on the top of the lower shell body, a second guide wheel is arranged on the top of the second guide frame, the second guide wheel is arranged on one side of the second transmission belt and abuts against the second transmission belt, a third guide frame is also arranged on the top of the lower shell body, a third guide wheel is arranged on the top of the third guide frame, and the second guide wheel and the third guide wheel are rotatably connected.
5. A transmission device for a lawn mower according to claim 4, characterized in that: A guard frame is arranged on one side of the second driven disc, a mowing transmission shaft is arranged at the bottom of the second driven disc, and the mowing transmission shaft and the mowing blade are fixedly connected.
6. A transmission device for a lawn mower according to claim 5, characterized in that: A first guide frame is arranged on the top of the lower shell body, a first guide wheel is arranged on the top of the first guide frame, and the first guide wheel is in contact with the first transmission belt.
7. A transmission device for a lawn mower according to claim 6, characterized in that: The first driven disk is connected to the lower shell body through a disk body fixing frame.
