Steering gear structure of steering wheel of mower

Abstract

The utility model discloses a steering gear structure of a steering wheel of a mower, which comprises an operation component, a gear combination center, a steering gear assembly, a steering gear assembly, a steering gear assembly and a steering gear assembly, and is characterized in that the operation component comprises a mounting chassis and a gear assembly center; a steering assembly, comprising L-shaped frames symmetrically fixed on the mounting chassis, a cross beam frame fixed on the L-shaped frames, first rotating shafts symmetrically and rotatably mounted on the cross beam frame, driving gears fixed at the bottom ends of the first rotating shafts, and a curved bar of which one end is rotatably mounted at the center of the gear combination and the other end is rotatably mounted on the driving gears, the second rotating shafts are symmetrically and rotationally installed on the cross beam frame, the driven gears are fixed to the second rotating shafts and meshed with the driving gears, the U-shaped frames are fixed to the bottom ends of the second rotating shafts, and the rolling wheels are installed on the U-shaped frames. The whole steering structure is simple, the occupied space is small, the cost is low, and the device is more suitable for mowers.

Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowers, in particular to a steering wheel and steering gear structure of a lawn mower. Background Art

[0002] The mechanical steering system uses the driver's physical strength as the steering energy, and all the force transmission parts are mechanical. The mechanical steering system consists of three parts: the steering control mechanism, the steering gear, and the steering transmission mechanism.

[0003] A lawn mower, also known as a lawn mower, is a large mechanical tool used to trim lawns and vegetation. It is widely used in real life. It not only saves a lot of labor time but also makes the lawn more aesthetically pleasing, making it a very practical tool. These machines are characterized by low speed, low torque, and a small size. Traditional steering systems are not suitable for these machines because they take up a lot of space and are expensive. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0005] In view of the above problems and / or the problems existing in the steering wheel and steering gear structure of an existing lawn mower, the present utility model is proposed.

[0006] Therefore, the purpose of the present invention is to provide a steering wheel steering gear structure for a lawn mower. When using this device, when steering is required, the driver turns the steering wheel, which will drive the universal joint drive shaft to rotate, thereby driving the gear combination center to rotate, and then driving the two crankshafts to rotate, thereby driving the driving gear to rotate, driving the driven gear to rotate, and synchronously driving the second rotating shaft to rotate, and finally causing the U-shaped frame and roller fixed on the second rotating shaft to rotate to achieve steering, so that the overall steering structure is simple, occupies less space, has low cost, and is more suitable for lawn mowers.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A steering wheel and steering gear structure for a lawn mower, comprising:

[0009] An operating assembly includes a mounting chassis, a gear assembly center rotatably mounted on the mounting chassis, a universal joint drive shaft connected to a top end of the gear assembly center, and a steering wheel connected to the other end of the universal joint drive shaft;

[0010] A steering assembly comprising an L-shaped frame symmetrically fixed to the mounting chassis, a crossbeam frame fixed to the L-shaped frame, a first rotating shaft symmetrically mounted on the crossbeam frame, a driving gear fixed to the bottom end of the first rotating shaft, a crankshaft rotatably mounted at one end on the center of the gear assembly and rotatably mounted at the other end on the driving gear, a second rotating shaft symmetrically mounted on the crossbeam frame, a driven gear fixed to the second rotating shaft and meshing with the driving gear, a U-shaped frame fixed to the bottom end of the second rotating shaft, and a roller mounted on the U-shaped frame;

[0011] When the gear combination center drives the two crankshafts to rotate, it will eventually drive the two rollers to rotate synchronously in one direction.

[0012] As a preferred solution of the steering wheel steering gear structure of the lawn mower described in the utility model, a buffer spring is fixed to the bottom end of the L-shaped frame, and the bottom end of the buffer spring is fixed to the mounting chassis.

[0013] As a preferred solution of the steering wheel and steering gear structure of the lawn mower described in the utility model, a telescopic rod is fixed on the mounting chassis, and the telescopic rod is inserted in the middle of the buffer spring.

[0014] As a preferred solution of the steering wheel and steering gear structure of the lawn mower described in the utility model, a support frame is fixed on the mounting chassis, and the universal joint transmission shaft is rotatably mounted on the support frame.

[0015] As a preferred solution of the steering wheel and steering gear structure of the lawn mower described in the utility model, an anti-slip sleeve is sleeved on the steering wheel.

[0016] Compared with the prior art, the present invention has the following beneficial effects: when using the present device, when steering is required, the driver turns the steering wheel, which will drive the universal joint drive shaft to rotate, thereby driving the gear combination center to rotate, and then driving the two crankshafts to rotate, thereby driving the driving gear to rotate, driving the driven gear to rotate, and synchronously driving the second rotating shaft to rotate, and finally causing the U-shaped frame and roller fixed on the second rotating shaft to rotate to achieve steering, so that the overall steering structure is simple, occupies less space, has low cost, and is more suitable for lawn mowers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive labor. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of a steering wheel and steering gear structure of a lawn mower according to the present invention;

[0019] Figure 2 This is a structural cross-sectional view of a steering wheel and steering gear structure of a lawn mower according to the present invention;

[0020] Figure 3 The utility model is a steering wheel steering gear structure of a lawn mower Figure 2 A partial enlarged view of middle A. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0022] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing the embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0024] The utility model provides a steering wheel steering gear structure for a lawn mower. When using the device, when steering is required, the driver turns the steering wheel, which drives the universal joint transmission shaft to rotate, thereby driving the gear combination center to rotate, and then drives the two crankshafts to rotate, thereby driving the driving gear to rotate, driving the driven gear to rotate, and synchronously driving the second rotating shaft to rotate, and finally causing the U-shaped frame and roller fixed on the second rotating shaft to rotate, thereby realizing steering. The utility model makes the overall steering structure simple, occupies little space, has low cost, and is more suitable for lawn mowers.

[0025] Figure 1-Figure 3 The figure shows the overall structure of a steering wheel and steering gear structure of a lawn mower according to the present invention. Figure 1-Figure 3 In this embodiment, a steering wheel and steering gear structure of a lawn mower includes an operating assembly 100 and a steering assembly 200 .

[0026] The operating assembly 100 includes a mounting chassis 110, a gear assembly center 120 rotatably mounted on the mounting chassis 110, a universal joint drive shaft 130 connected to the top end of the gear assembly center 120, and a steering wheel 140 connected to the other end of the universal joint drive shaft 130. A support frame 150 is fixed to the mounting chassis 110, and the universal joint drive shaft 130 is rotatably mounted on the support frame 150. The steering wheel 140 is sleeved with an anti-slip sleeve.

[0027] The steering assembly 200 includes an L-shaped frame 210 symmetrically fixed to the mounting chassis 110, a crossbeam frame 220 fixed to the L-shaped frame 210, a first rotating shaft 230 symmetrically rotatably mounted on the crossbeam frame 220, a driving gear 240 fixed to the bottom end of the first rotating shaft 230, a crankshaft 250 rotatably mounted on the gear assembly center 120 at one end and rotatably mounted on the driving gear 240 at the other end, a second rotating shaft 260 symmetrically rotatably mounted on the crossbeam frame 220, a driven gear 270 fixed to the second rotating shaft 260 and meshing with the driving gear 240, a U-shaped frame 280 fixed to the bottom end of the second rotating shaft 260, and a roller 290 mounted on the U-shaped frame 280;

[0028] When the gear assembly center 120 drives the two crankshafts 250 to rotate, it will eventually drive the two rollers 290 to rotate synchronously in one direction;

[0029] Furthermore, a buffer spring 210a is fixed to the bottom end of the L-shaped frame 210, and the bottom end of the buffer spring 210a is fixed to the mounting chassis 110; a telescopic rod 210b is fixed to the mounting chassis 110, and the telescopic rod 210b is inserted in the middle of the buffer spring 210a.

[0030] Combine Figure 1-Figure 3 The steering wheel steering gear structure of a lawn mower in this embodiment is specifically used as follows: when using this device, when steering is required, the driver turns the steering wheel 140, which will drive the universal joint drive shaft 130 to rotate, thereby driving the gear combination center 120 to rotate, and then driving the two curved rods 250 to rotate, thereby driving the driving gear 240 to rotate, driving the driven gear 270 to rotate, and synchronously driving the second rotating shaft 260 to rotate, and finally causing the U-shaped frame 280 and the roller 290 fixed on the second rotating shaft 260 to rotate to achieve steering, making the overall steering structure simple, occupying less space, and having low cost, and more suitable for lawn mowers.

[0031] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A steering wheel and steering gear structure for a lawn mower, characterized in that: include: An operating assembly (100) includes a mounting chassis (110), a gear assembly center (120) rotatably mounted on the mounting chassis (110), a universal joint transmission shaft (130) connected to the top end of the gear assembly center (120), and a steering wheel (140) connected to the other end of the universal joint transmission shaft (130); A steering assembly (200) comprises an L-shaped frame (210) symmetrically fixed on the mounting chassis (110), a crossbeam frame (220) fixed on the L-shaped frame (210), a first rotating shaft (230) symmetrically mounted on the crossbeam frame (220), a driving gear (240) fixed to the bottom end of the first rotating shaft (230), a crankshaft (250) rotatably mounted on the gear assembly center (120) and rotatably mounted on the driving gear (240) at the other end, a second rotating shaft (260) symmetrically mounted on the crossbeam frame (220), a driven gear (270) fixed on the second rotating shaft (260) and meshing with the driving gear (240), a U-shaped frame (280) fixed to the bottom end of the second rotating shaft (260), and a roller (290) mounted on the U-shaped frame (280); When the gear combination center (120) drives the two crankshafts (250) to rotate, it will eventually drive the two rollers (290) to rotate synchronously in one direction.

2. The steering wheel and gear structure of a lawn mower according to claim 1, characterized in that: A buffer spring (210a) is fixed to the bottom end of the L-shaped frame (210), and the bottom end of the buffer spring (210a) is fixed to the mounting chassis (110).

3. The steering wheel and gear structure of a lawn mower according to claim 2, characterized in that: A telescopic rod (210b) is fixed on the mounting chassis (110), and the telescopic rod (210b) is inserted in the middle of the buffer spring (210a).

4. The steering wheel and gear structure of a lawn mower according to claim 1, characterized in that: A support frame (150) is fixed on the mounting chassis (110), and the universal joint transmission shaft (130) is rotatably mounted on the support frame (150).

5. The steering wheel and gear structure of a lawn mower according to claim 1, characterized in that: An anti-slip sleeve is sleeved on the steering wheel (140).

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