Universal wheel structure on mower

Abstract

The universal wheel structure comprises a machine body, an installation support and a universal wheel mechanism structure, a height adjusting handle is arranged on the side face of the machine body, the front portion of the machine body is connected with the universal wheel mechanism structure through the installation support, a cross beam is arranged on the universal wheel mechanism structure, and front supports are symmetrically arranged on the two sides of the cross beam. Each front support is installed in a sleeve seat, the bottom of the sleeve seat is located above a universal wheel support, the side face of the universal wheel support is connected with a wheel shaft through a rotary knob, and the wheel shaft is installed on a universal wheel. The working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of garden tools, in particular to a universal wheel structure on a lawn mower which is convenient for gear adjustment and positioning. Background Art

[0002] A lawn mower, also known as a lawn mower, lawn trimmer, lawn mower, or lawn mower, is a mechanical tool used to trim lawns, vegetation, etc., usually consisting of a blade, an engine, a running wheel, and a running mechanism. structure The utility model is composed of a blade, an armrest and a control part. The blade utilizes the high-speed rotation of the engine to mow the lawn, thereby saving the working time of the weeding workers and reducing human resources.

[0003] When using a lawn mower to mow the grass, it is often necessary to trim lawns of different heights, so the mower needs to change gears. The conventional way of changing gears usually requires disassembling the corresponding tires and installing them after adjusting the gears. The operation is cumbersome, affecting normal work efficiency and inconvenient to use. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a universal wheel structure on a lawn mower which can improve the working efficiency and can avoid disassembly and assembly of tires.

[0005] In order to solve the above existing technical problems, the utility model adopts the following solution: a universal wheel mechanism on a lawn mower structure , including the body, mounting bracket and universal wheel mechanism structure The side of the machine body is provided with a height adjustment handle, and the front part of the machine body is connected to the universal wheel mechanism through the mounting bracket. structure Installation connection, universal wheel mechanism structure A crossbeam is arranged on the top, and front brackets are symmetrically arranged on both sides of the crossbeam. Each front bracket is installed in a sleeve seat, and the bottom of the sleeve seat is located above the universal wheel bracket. The side of the universal wheel bracket is connected with the wheel axle through a knob, and the wheel axle is installed on the universal wheel.

[0006] Preferably, a sliding groove is provided on the universal wheel bracket, and the wheel axle passes through the sliding groove and is threadedly connected to the knob.

[0007] Preferably, a positioning plate is welded on the wheel axle, a boss is provided on the positioning plate, and two bosses are connected to the gear adjustment holes on the universal wheel bracket.

[0008] Preferably, the front bracket is provided with groove one, groove two and groove three, wherein a bolt is inserted into groove one, and the bolt passes through groove one and is connected to the side surface of the sleeve by a nut, a positioning rod is inserted into groove two, and the positioning rod passes through groove two and is connected to the sleeve, a spring is installed on the positioning rod, and the spring is located above the limit blocks on both sides of the positioning rod, a fixing rod is inserted into groove three, and the bottom of the fixing rod is against the universal wheel bracket, and a jacket is mounted on the fixing rod, and the jacket is located on the upper and lower sides of groove three.

[0009] Preferably, a support seat is integrally welded to the sleeve, U-shaped placement grooves are provided on both sides of the support seat, and a horizontal placement groove is provided on the surface of the support seat.

[0010] Preferably, a plane bearing is provided between the universal wheel bracket and the jacket.

[0011] Preferably, a two-way universal wheel bracket is installed at the bottom of the front bracket, and a circular groove and a square groove symmetrical to the circular groove are respectively provided on both sides of the two-way universal wheel bracket, wherein the circular groove is connected to the universal wheel through a knob, and the square groove is connected to the other side of the universal wheel through a connector.

[0012] The utility model adopts the above technical solution to provide a universal wheel mechanism on a lawn mower. structure Compared with the existing technology, it has the following advantages:

[0013] 1. After turning the knob, the positioning plate on the axle becomes loose, the boss disengages from the gear adjustment hole, and the axle is adjusted along the slide groove to achieve the gear shifting effect.

[0014] 2. After pulling the positioning rod upward, the positioning rod is detached from the universal wheel bracket. Rotate the positioning rod so that the limit block is placed on the horizontal placement slot, and the universal wheel bracket can rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the adjustment seat of the utility model.

[0016] Figure 2 The utility model is a universal wheel mechanism structure Schematic diagram of the local structure,

[0017] Figure 3 The utility model is a universal wheel mechanism structure Schematic diagram of the split structure,

[0018] Figure 4 It is a partial schematic diagram of the sleeve of the utility model.

[0019] Figure 5 It is a partial schematic diagram of the bidirectional universal wheel bracket of the utility model.

[0020] In the figure, the machine body 1, the mounting bracket 2, and the universal wheel mechanism structure 3. Height adjustment handle 4. Crossbeam 5. Front bracket 6. Sleeve 7. Universal wheel bracket 8. Knob 9. Axle 10. Universal wheel 11. Slide 12. Positioning plate 13. Boss 14. Gear adjustment hole 15. Slot 1 16. Slot 2 17. Slot 3 18. Bolt 19. Positioning rod 20. Limit block 21. Fixing rod 22. Jacket 23. Support seat 24. U-shaped placement groove 25. Horizontal placement groove 26. Plane bearing 27. Bidirectional universal wheel bracket 28. Round groove 29. Square groove 30. Connector 31. DETAILED DESCRIPTION

[0021] like Figures 1 to 5 As shown, a universal wheel mechanism on a lawn mower structure , including a body 1, a mounting bracket 2 and a universal wheel mechanism structure 3. The side of the body 1 is provided with a height adjustment handle 4. The front part of the body 1 is connected to the universal wheel mechanism through the mounting bracket 2. structure 3. Installation connection, universal wheel mechanism structure 3 is provided with a crossbeam 5, and front brackets 6 are symmetrically provided on both sides of the crossbeam 5, each front bracket 6 is installed in the sleeve seat 7, the bottom of the sleeve seat 7 is located above the universal wheel bracket 8, the side of the universal wheel bracket 8 is connected with the wheel axle 10 through the knob 9, and the wheel axle 10 is installed on the universal wheel 11, the universal wheel bracket 8 is provided with a slide groove 12, and the wheel axle 10 is threadedly connected with the knob 9 after passing through the slide groove 12, and a positioning plate 13 is welded on the wheel axle 10, and a boss 14 is provided on the positioning plate 13, and the two bosses 14 are connected with the gear adjustment hole 15 on the universal wheel bracket 8, and a groove 16, a groove 21 and a groove 3 are provided on the front bracket 6, wherein a bolt 19 is inserted and installed on the groove 16, and the bolt 19 is installed and connected with the side of the sleeve seat 7 through a nut after passing through the groove 16, and a positioning rod 20 is inserted and installed on the groove 217, and the positioning rod 20 passes through the groove 217 and is connected with the sleeve The front bracket 6 is connected with the seat 7, a spring is installed on the positioning rod 20, and the spring is located above the limit blocks 21 on both sides of the positioning rod 20. A fixing rod 22 is inserted and installed on the groove three 18, and the bottom of the fixing rod 22 is against the universal wheel bracket 8. A jacket 23 is sleeved on the fixing rod 22, and the jacket 23 is located on the upper and lower sides of the groove three 18. A support seat 24 is integrally welded on the sleeve seat 7, and U-shaped placement grooves 25 are provided on both sides of the support seat 24. A horizontal placement groove 26 is provided on the surface of the support seat 24. A plane bearing 27 is provided between the universal wheel bracket 8 and the jacket 23. A two-way universal wheel bracket 28 is installed at the bottom of the front bracket 6, and circular grooves 29 and square grooves 30 symmetrical to the circular grooves 29 are respectively provided on both sides of the two-way universal wheel bracket 28, wherein the circular groove 29 is connected to the universal wheel 11 through a knob 9, and the square groove 30 is connected to the other side of the universal wheel 11 through a connector 31.

[0022] In actual work, the lawn mower can be driven by plug-in, gasoline or lithium battery. There are many different driving modes on the same lawn mower, which makes the operation more flexible. structure 3 can be disassembled or fixed on the chassis according to actual needs. When it is necessary to mow lawns of different heights, the chassis of the lawn mower can be raised or lowered by raising the handle 4, and the wheel axle 10 can be moved backward by turning the knob 9. Since the length of the wheel axle 10 extended on the positioning plate 13 is longer than the boss 14, when the boss 14 is separated from the gear adjustment hole 15, the wheel axle 10 and the knob 9 are still in a connected state. Without removing the tire, the wheel axle 10 can slide along the slide groove 12 to achieve the effect of shifting gears. A positioning rod 20 is installed between the front bracket 6. When the positioning rod is locked, the lawn mower can move forward and backward in a straight line. When turning is required, the positioning rod 20 can be pulled upward along the U-shaped placement groove 25 through the limit block 21. When it is pulled above the horizontal placement groove 26, the positioning rod 20 is rotated to place the limit block 21 on the horizontal placement groove 26. At this time, the bottom of the positioning rod 20 will be detached from the universal wheel bracket 8, and the universal wheel bracket 8 can drive the universal wheel 11 to rotate 360 ​​degrees. The lawn mower can turn flexibly and mow in circles.

[0023] According to the specific site requirements, the one-way universal wheel bracket can be changed into a two-way universal wheel bracket 27. Both sides of the two-way universal wheel bracket 27 are installed on the outside of the universal wheel 11. The universal wheel 11 is installed through the knob 9 and the connector 31. The installation method is more diverse and more convenient to use.

[0024] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A universal wheel structure on a lawn mower, comprising a machine body (1), a mounting bracket (2) and a universal wheel mechanism structure (3), characterized in that: The side of the machine body (1) is provided with a height adjustment handle (4), and the front part of the machine body (1) is connected to the universal wheel mechanism through the mounting bracket (2). structure (3) Installation connection, universal wheel mechanism structure (3) is provided with a crossbeam (5), and front brackets (6) are symmetrically provided on both sides of the crossbeam (5), and each front bracket (6) is installed in a sleeve (7), and the bottom of the sleeve (7) is located above the universal wheel bracket (8), and the side of the universal wheel bracket (8) is connected to the wheel axle (10) through a knob (9), and the wheel axle (10) is installed on the universal wheel (11).

2. The universal wheel structure on the lawn mower according to claim 1, characterized in that: The universal wheel bracket (8) is provided with a slide groove (12), and the wheel shaft (10) passes through the slide groove (12) and is threadedly connected to the knob (9).

3. The universal wheel structure on the lawn mower according to claim 2, characterized in that: A positioning plate (13) is welded on the wheel axle (10), a boss (14) is provided on the positioning plate (13), and two bosses (14) are connected to the gear adjustment holes (15) on the universal wheel bracket (8).

4. The universal wheel structure on the lawn mower according to claim 1, characterized in that: The front bracket (6) is provided with a first groove (16), a second groove (17) and a third groove (18), wherein a bolt (19) is inserted into the first groove (16), and the bolt (19) is connected to the side of the sleeve (7) through a nut after passing through the first groove (16), a positioning rod (20) is inserted into the second groove (17), and the positioning rod (20) is connected to the sleeve (7) after passing through the second groove (17), and a spring is installed on the positioning rod (20), and the spring is located above the limit blocks (21) on both sides of the positioning rod, and a fixing rod (22) is inserted into the third groove (18), and the bottom of the fixing rod (22) is against the universal wheel bracket (8), and a clamping sleeve (23) is sleeved on the fixing rod (22), and the clamping sleeve (23) is located on the upper and lower sides of the third groove (18).

5. The universal wheel structure on the lawn mower according to claim 1, characterized in that: A support seat (24) is integrally welded to the sleeve seat (7), U-shaped placement grooves (25) are provided on both sides of the support seat (24), and a horizontal placement groove (26) is provided on the surface of the support seat (24).

6. The universal wheel structure on the lawn mower according to claim 1, characterized in that: A plane bearing (27) is provided between the universal wheel bracket (8) and the jacket (23).

7. The universal wheel structure on the lawn mower according to claim 1, characterized in that: A bidirectional universal wheel bracket (28) is installed at the bottom of the front bracket (6), and a circular groove (29) and a square groove (30) symmetrical to the circular groove (29) are respectively provided on both sides of the bidirectional universal wheel bracket (28), wherein the circular groove (29) is connected to the universal wheel (11) through a knob (9), and the square groove (30) is connected to the other side of the universal wheel (11) through a connector (31).

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