Walking type mower

Abstract

The utility model discloses a walking type mower, which relates to the technical field of mowers and comprises a supporting plate, mounting plates are arranged on two sides of the supporting plate, the mounting plates are fixedly connected with the supporting plate, push rods are arranged on the mounting plates, connecting plates are arranged at the bottom ends of the push rods, the connecting plates are fixedly connected with the push rods, and the push rods are connected with the supporting plate through the connecting plates. A fixing disc is fixedly connected between the outer ends of the two push rods, and push handles are arranged at the outer ends of the push rods and connected with the push rods through threads. The height between the mounting disc and the connecting disc is adjusted through the spline housing and the stable telescopic rod on the mounting disc and the screw rod, so that the height of the cutting knife is quickly adjusted, the cutting height is conveniently adjusted, and the lawn mower can be adjusted according to different lawn reserved heights; and the application range of the mower is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowers, in particular to a walk-behind lawn mower. Background Art

[0002] A lawn mower is a mechanical tool used to trim lawns, vegetation, etc. It consists of a cutter disc, an engine, a running wheel, a running mechanism, a blade, a handrail, and a control part. The cutter disc is mounted on the running wheel, the engine is mounted on the cutter disc, and the blade is mounted on the output shaft of the engine. The blade uses the high-speed rotation of the engine to increase the speed a lot, saving the working time of the weeding workers and reducing a lot of human resources.

[0003] Walk-behind lawn mowers are often used in daily life. However, in existing walk-behind lawn mowers, the grass cutting height is generally adjusted manually by adjusting the drop height of the cutter blade when it rotates. However, this drop method cannot ensure that the grass height cut by the cutter blade remains the same, and is not suitable for cutting different lawns at different heights. In addition, the cutting operation is relatively cumbersome. Therefore, the above problems need to be improved. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a walk-behind lawn mower.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a walk-behind lawn mower, comprising a support plate, mounting plates are provided on both sides of the support plate, the mounting plates are fixedly connected to the support plates, push rods are provided on the mounting plates, connecting plates are provided at the bottom ends of the push rods, the connecting plates are fixedly connected to the push rods, the push rods are connected to the support plate through the connecting plates, a fixing plate is fixedly connected between the outer ends of the two push rods, push handles are provided at the outer ends of the push rods, and the push handles are connected to the push rods through threads; a generator is installed on the support plate, a pad is fixedly connected to the generator, an oil box is installed on the generator, a threading tube is installed at one end of the generator, a connecting disk is installed at the outer end of the threading tube, and a mowing mechanism is installed below the connecting disk.

[0006] Preferably, a wheel axle is provided at the lower part of the support plate, wheels are rotatably mounted at both ends of the wheel axle, and a plurality of anti-slip strips connected end to end are raised on the tire of the wheel; an arc-shaped baffle is fixedly sleeved on the tube body of the threading tube.

[0007] Preferably, the mowing mechanism includes a mounting plate rotatably arranged below the connecting plate, a cutting knife fixedly mounted on the bottom of the mounting plate, and an annular groove provided on the outer side of the top surface of the mounting plate, a swivel is horizontally rotatably clamped inside the annular groove, a threaded hole is vertically provided on one side of the top surface of the connecting plate, a screw is vertically connected inside the threaded hole, and the bottom end of the screw is rotatably connected to the top surface of the swivel; stable telescopic rods are vertically fixed to the circumferential sides of the bottom surface of the connecting plate, and the bottom end of the stable telescopic rods is fixed to the top of the swivel.

[0008] Preferably, a spline sleeve is vertically fixedly connected to the middle of the top surface of the mounting plate, and a spline shaft is vertically rotatably provided to the middle of the bottom surface of the connecting plate, and the spline shaft is movably inserted in the spline sleeve.

[0009] Preferably, a mounting cavity is opened in the middle of the connecting disk, a motor is arranged inside the mounting cavity, and the top end of the spline shaft movably extends into the mounting cavity and is coaxially fixedly connected with the driving shaft of the motor.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, through the spline sleeve and the stable telescopic rod on the mounting plate, a screw is used to adjust the height between the mounting plate and the connecting plate, so that the height of the cutter can be quickly adjusted, and the cutting height can be conveniently adjusted, so that the lawn mower can be adjusted according to different reserved lawn heights, and the application range of the lawn mower is expanded. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure proposed by the utility model;

[0013] Figure 2 It is a left-side structural schematic diagram proposed by the utility model.

[0014] Serial numbers in the figure: 1. push handle; 2. push rod; 3. fixed plate; 4. mounting plate; 5. connecting plate; 6. support plate; 7. oil box; 8. generator; 9. wheel; 10. threading tube; 11. arc baffle; 12. connecting plate; 13. spline sleeve; 14. stabilizing telescopic rod; 15. swivel; 16; mounting plate; 17. cutting knife. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0016] Example: See Figure 1-2 A walk-behind lawn mower in the utility model comprises a support plate 6, mounting plates 4 are provided on both sides of the support plate 6, the mounting plates 4 are fixedly connected to the support plate 6, push rods 2 are provided on the mounting plates 4, the bottom ends of the push rods 2 are provided with connecting plates 5, the connecting plates 5 are fixedly connected to the push rods 2, the push rods 2 are connected to the support plate 6 through the connecting plates 5, a fixing plate 3 is fixedly connected between the outer ends of the two push rods 2, and a push handle 1 is provided at the outer ends of the push rods 2, and the push handle 1 is connected to the push rod 2 through a thread; a generator 8 is installed on the support plate 6, a pad is fixedly connected to the generator 8, an oil box 7 is installed on the generator 8, fuel is provided to the generator 8 through the oil box 7, so that the generator 8 provides electricity. A threading tube 10 is installed at one end of the generator 8, and the generator 8 is energized through the threading tube 10, so that the mounting disk 16 rotates. A connecting disk 12 is installed at the outer end of the threading tube 10, and a mowing mechanism is installed below the connecting disk 12. The push handle 1 can provide a better grip when pushing the lawn mower; a wheel shaft is provided at the lower part of the support plate 6, and wheels 9 are rotatably mounted at both ends of the wheel shaft, and a plurality of anti-skid strips connected end to end are raised on the tire of the wheel 9; an arc-shaped baffle 11 is fixedly sleeved on the tube body of the threading tube 10. The anti-skid strips on the wheel 9 can play an anti-skid role on muddy grass.

[0017] In the utility model, the mowing mechanism includes a mounting plate 16 rotatably arranged below the connecting plate 12, a cutting knife 17 fixedly mounted at the bottom of the mounting plate 16, and an annular groove provided on the outer side of the top surface of the mounting plate 16, a swivel 15 is horizontally rotatably clamped inside the annular groove, a threaded hole is vertically provided on one side of the top surface of the connecting plate 12, a screw is vertically connected inside the threaded hole, and the bottom end of the screw is rotatably connected to the top surface of the swivel 15; a stabilizing telescopic rod 14 is vertically fixedly connected to the circumferential side of the bottom surface of the connecting plate 12, and the bottom end of the stabilizing telescopic rod 14 is fixedly connected to the top of the swivel 15.

[0018] In the utility model, a spline sleeve 13 is vertically fixed to the middle of the top surface of the mounting disk 16, and a spline shaft is vertically rotatably provided in the middle of the bottom surface of the connecting disk 12, and the spline shaft is movably inserted in the spline sleeve 13; through the spline shaft and the spline sleeve 13, the normal operation of the motor can be adjusted without affecting the blade angle.

[0019] In the utility model, a mounting cavity is provided in the middle of the connecting plate 12, a motor is provided inside the mounting cavity, the top end of the spline shaft movably extends into the mounting cavity and is coaxially fixed with the driving shaft of the motor. The motor is connected through the connecting plate 12 for easy installation and removal.

[0020] Working principle: When the utility model is used, first, according to the depth of the lawn, the spline shaft on the spline sleeve 13 is driven by rotating the screw rod, and it is adjusted up and down by the stable telescopic rod 14, so as to adjust the cutting height. After adjusting the height, the power on the generator 8 is transmitted to the motor under the connecting plate 12 through the threading tube 10. Because the swivel 15 is rotatably connected with the mounting plate 16, the swivel 15 and the connecting plate 12 can be kept stationary, while the spline sleeve 13 and the spline shaft rotate, driving the cutting knife 17 to rotate. The direction of the lawn mower can be controlled by using the push handle 1 to control the push rod 2.

[0021] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A walk-behind lawn mower, comprising a support plate (6), characterized in that: Mounting plates (4) are provided on both sides of the support plate (6), the mounting plates (4) are fixedly connected to the support plate (6), push rods (2) are provided on the mounting plates (4), the bottom ends of the push rods (2) are provided with connecting plates (5), the connecting plates (5) are fixedly connected to the push rods (2), the push rods (2) are connected to the support plate (6) via the connecting plates (5), a fixing plate (3) is fixedly connected between the outer ends of the two push rods (2), the outer ends of the push rods (2) are provided with push handles (1), the push handles (1) are connected to the push rods (2) via threads; a generator (8) is mounted on the support plate (6), a pad is fixedly connected to the generator (8), an oil box (7) is mounted on the generator (8), a threading tube (10) is mounted on one end of the generator (8), a connecting disk (12) is mounted on the outer end of the threading tube (10), and a mowing mechanism is mounted below the connecting disk (12).

2. A walk-behind lawn mower according to claim 1, characterized in that: A wheel axle is provided at the lower part of the support plate (6), and wheels (9) are rotatably mounted at both ends of the wheel axle. The tires of the wheels (9) are provided with a plurality of anti-slip strips connected end to end. An arc-shaped baffle (11) is fixedly sleeved on the tube body of the threading tube (10).

3. A walk-behind lawn mower according to claim 2, characterized in that: The mowing mechanism comprises a mounting plate (16) rotatably arranged below the connecting plate (12), a cutting knife (17) fixedly mounted on the bottom of the mounting plate (16), and an annular groove provided on the outer side of the top surface of the mounting plate (16), a rotating ring (15) being horizontally rotatably clamped inside the annular groove, a threaded hole being vertically provided on one side of the top surface of the connecting plate (12), a screw being vertically connected inside the threaded hole, and the bottom end of the screw being rotatably connected to the top surface of the rotating ring (15); a stabilizing telescopic rod (14) is vertically fixedly connected to the circumferential side of the bottom surface of the connecting plate (12), and the bottom end of the stabilizing telescopic rod (14) is fixedly connected to the top of the rotating ring (15).

4. A walk-behind lawn mower according to claim 3, characterized in that: A spline sleeve (13) is vertically fixedly connected to the middle of the top surface of the installation disk (16), and a spline shaft is vertically rotatably provided in the middle of the bottom surface of the connection disk (12), and the spline shaft is movably inserted in the spline sleeve (13).

5. A walk-behind lawn mower according to claim 4, characterized in that: A mounting cavity is provided in the middle of the connection disk (12), a motor is provided inside the mounting cavity, and the top end of the spline shaft movably extends into the mounting cavity and is coaxially fixedly connected to the drive shaft of the motor.

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