Idler wheel structure for gardening tool installation

Abstract

The roller structure comprises a fixing frame and rollers, the rollers are rotationally arranged on the two sides of the fixing frame, a through hole is formed in the fixing frame, the fixing frame is used for being installed on a grass mower body, and an installation hole is formed in the grass mower body; one end of the lock shaft is rotationally and slidably connected into the through hole, the other end of the lock shaft penetrates through the mounting hole, an anti-falling block is arranged at the end, close to the through hole, of the lock shaft, the mounting hole allows the anti-falling block to pass through, the anti-falling block rotates to drive the lock shaft to rotate, and when the lawnmower body is limited between the fixing frame and the anti-falling block, mounting of the roller structure is completed. The roller structure has the advantages that mounting is convenient and fast when the roller structure is mounted on the grass mower, and the assembly efficiency of the grass mower is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of garden tool technology, in particular to a garden tool mounted roller structure. BACKGROUND

[0002] A lawn mower is a commonly used garden tool, which is used for mowing lawns. Such a lawn mower comprises a working head, and a roller is usually arranged at the bottom of the lawn mower, so that a user can better perform mowing work by means of the roller.

[0003] A common lawn mower roller structure is connected and fixed to a lawn mower main body by means of bolts, and is inconvenient to install. In addition, the lawn mower cannot be quickly assembled, the assembly efficiency is low, and the lawn mower is not easy to disassemble. SUMMARY

[0004] In order to facilitate the installation of the roller structure of the lawn mower and improve the assembly efficiency of the lawn mower, the application provides a garden tool mounted roller structure.

[0005] The application provides a garden tool mounted roller structure, which adopts the following technical scheme:

[0006] The garden tool mounted roller structure comprises a fixed frame and a roller, the roller is rotationally arranged on both sides of the fixed frame, a through hole is formed in the fixed frame, the fixed frame is used for being mounted to a lawn mower main body, and a mounting hole is formed in the lawn mower main body; the roller structure further comprises a lock shaft, one end of the lock shaft is rotationally and slidably connected in the through hole, the other end of the lock shaft penetrates through the mounting hole, an anti-falling block is arranged at the end of the lock shaft close to the through hole, the mounting hole is used for allowing the anti-falling block to pass through, and the anti-falling block is rotationally connected with the lock shaft; when the lawn mower main body is limited between the fixed frame and the anti-falling block, the roller structure is mounted.

[0007] By adopting the above technical scheme, the roller structure is connected and fixed to the lawn mower main body by means of the lock shaft, the lock shaft is rotationally and slidably connected in the through hole, the mounting hole is used for allowing the anti-falling block to pass through, the anti-falling block is aligned with the mounting hole during installation, the anti-falling block penetrates through the mounting hole, the lock shaft is rotated, and when the lawn mower main body is limited between the fixed frame and the anti-falling block, the roller structure is mounted. When the roller structure is mounted on the lawn mower, the installation is convenient and fast, and the assembly efficiency of the lawn mower is improved.

[0008] Optionally, the roller structure further comprises a limiting assembly for preventing the lock shaft from being separated from the fixed frame, the limiting assembly comprises a spring and a limiting ring piece, the spring is sleeved on the lock shaft, the radius of the spring is greater than that of the through hole, the limiting ring piece is arranged at the end of the lock shaft away from the through hole, the radius of the limiting ring piece is greater than that of the spring, one end of the spring is abutted against the hole opening of the through hole, and the other end of the spring is abutted against the limiting ring piece.

[0009] By adopting the technical scheme, the spring sleeve is connected to the lock shaft, the spring is limited to be separated by the limiting ring, the roller structure is installed on the spring of the lawn mower main body, the anti-separation block is firmly abutted to the lawn mower main body, the roller structure is not easy to be separated, the limiting spring prevents the lock shaft from being separated from the fixing frame, and when the roller structure needs to be disassembled, the lock shaft is only needed to be pulled up and rotated, and the roller structure is easy to be separated from the lawn mower main body.

[0010] Optionally, one side of the anti-separation block close to the through hole is provided with a limiting block, one side of the fixing frame close to the lock shaft is provided with a limiting groove, when the lock shaft is rotated to the anti-separation block abutting to the installation hole, the limiting block is located in the limiting groove, and the spring drives the anti-separation block to abut against the limiting groove.

[0011] By adopting the technical scheme, when the limiting block is located in the limiting groove, the roller structure is firmly fixed on the lawn mower main body and is not easy to be separated.

[0012] Optionally, the roller structure further comprises an axle, the roller is arranged on the axle, opposite sides of the bottom of the fixing frame are vertically provided with vertical plates, recesses are arranged on the vertical plates, the recesses are provided for the axle to pass through, a plurality of U-shaped clamping grooves are vertically arranged on the surface of the vertical plate, the U-shaped clamping grooves are communicated with the recesses, the axle is clamped and rotationally connected in the U-shaped clamping groove, the surface of the fixing frame is provided with a connecting boss, and the connecting boss is located between the two U-shaped clamping grooves; the roller structure further comprises a tension spring, one end of the tension spring is arranged in the fixing frame, and the other end of the tension spring is arranged on the axle; the tension spring drives the axle to abut against the bottom of the U-shaped clamping groove through elastic force.

[0013] By adopting the technical scheme, the axle is rotationally connected in the U-shaped clamping groove, and the axle can be adjusted through the U-shaped clamping groove; when the axle is located in the U-shaped clamping groove at different heights, the height of the roller is different; the axle is not easy to be separated when the axle is located in the U-shaped clamping groove through the tension spring, and the tension spring facilitates the height adjustment of the roller.

[0014] Optionally, the U-shaped clamping groove is inclined towards the one end of the fixing frame close to the tension spring along the bottom of the fixing frame.

[0015] By adopting the technical scheme, the tension spring is better tensioned with the axle, the U-shaped clamping groove is arranged and inclined upwards along the direction of mowing of the lawn mower main body, the roller abuts against the bottom of the U-shaped clamping groove during mowing, and the roller is prevented from being separated from the U-shaped clamping groove during working.

[0016] Optionally, an arc surface is arranged on one side of the U-shaped clamping groove close to the connecting boss.

[0017] By adopting the technical scheme, the axle is better clamped in the U-shaped clamping groove through the arc surface.

[0018] Optionally, one side of the fixing frame close to the lock shaft is provided with a placing groove, the placing groove is vertically arranged with the limiting groove, the placing groove is communicated with the through hole, and the depth of the placing groove along the length direction of the through hole is smaller than that of the limiting groove.

[0019] By adopting the above technical scheme, the placing groove is used for placing the limiting block, the depth of the placing groove along the length direction of the through hole is smaller than that of the limiting groove, the roller structure can be slightly pulled when being assembled, the roller structure is more labor-saving to install, and the limiting block is deeper when being located in the limiting groove, so that the roller structure is not easy to be separated from the lawn mower main body after being well assembled.

[0020] Optionally, the fixing frame is provided with a clamping block, and one end of the tension spring is abutted against the clamping block.

[0021] By adopting the above technical scheme, the tension spring is not easy to be separated from the fixing frame through the clamping block.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. When the roller structure is installed, the anti-separation block is aligned with the installation hole and passes through, the lock shaft is rotated, the anti-separation block is abutted against the lawn mower main body, the roller structure is installed, the roller structure on the lawn mower is convenient to install, and the assembly efficiency of the lawn mower is improved.

[0024] 2. The lock shaft is not easy to be separated from the fixing frame through the limiting ring piece and the fixing frame, the installation is firm, the roller structure is disassembled through compression of the spring, and the roller structure is convenient to install and disassemble.

[0025] 3. The U-shaped clamping groove is used for adjusting the height of the roller. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole schematic view of the roller structure of the garden tool installation of the embodiment.

[0027] Figure 2 It is Figure 1 the local enlarged view of A of the embodiment.

[0028] Figure 3 It is a structural schematic view of the roller structure of the garden tool installation of the embodiment.

[0029] Figure 4 It is a structural schematic view of the roller structure of the garden tool installation of the embodiment from another perspective.

[0030] Figure 5 It is a structural schematic view of the fixing frame of the embodiment.

[0031] Figure 6 It is a structural exploded view of the lock shaft and the limiting assembly of the embodiment.

[0032] Explanation of reference signs: 1, fixed frame; 2, roller; 3, wheel shaft; 41, through hole; 42, mounting hole; 43, anti-dropping block; 5, limiting assembly; 51, spring; 52, limiting ring piece; 61, limiting block; 62, limiting groove; 63, vertical plate; 64, groove; 65, U-shaped clamping groove; 66, connecting boss; 7, tension spring; 81, arc surface; 82, placing groove; 83, clamping block; 84, protrusion; 9, lock shaft. DETAILED DESCRIPTION

[0033] The application will be further described in detail below in combination with the drawings and examples.

[0034] The application discloses a roller structure for garden tool installation. Referring to Figures 1-5 , the roller structure for garden tool installation comprises a fixed frame 1, a wheel shaft 3 and a roller 2, the roller 2 being fixed on the wheel shaft 3. The bottom of the fixed frame 1 is vertically fixed with vertical plates 63 on opposite sides, the vertical plates 63 being provided with grooves 64, the grooves 64 being for the wheel shaft 3 to pass through. The surface of the vertical plates 63 is vertically arranged with a plurality of U-shaped clamping grooves 65, the U-shaped clamping grooves 65 being communicated with the grooves 64, the wheel shaft 3 being clamped and rotationally connected in the U-shaped clamping grooves 65, the fixed frame 1 being fixed with a connecting boss 66 on the surface, the connecting boss 66 being located between the two U-shaped clamping grooves 65. The side of the U-shaped clamping groove 65 close to the connecting boss 66 is provided with an arc surface 81. The roller structure for garden tool installation further comprises a tension spring 7, one end of the tension spring 7 being fixed in the fixed frame 1 and the other end being fixed on the wheel shaft 3, the tension spring 7 driving the wheel shaft 3 to abut against the groove bottom of the U-shaped clamping groove 65 through elastic force. The fixed frame 1 is fixed with a clamping block 83, one end of the tension spring 7 abutting against the clamping block 83. The U-shaped clamping groove 65 is inclined along the bottom of the fixed frame 1 towards the end of the fixed frame 1 where the tension spring 7 is located.

[0035] Referring to Figures 2-5 , the fixed frame 1 is provided with a through hole 41, the fixed frame 1 being used for being mounted to a lawn mower body, the top of the fixed frame 1 being fixed with a protrusion 84, the through hole 41 penetrating the protrusion 84. The lawn mower body is provided with a mounting hole 42. The roller structure for garden tool installation further comprises a lock shaft 9, one end of the lock shaft 9 being rotationally and slidingly connected in the through hole 41, the other end of the lock shaft 9 penetrating the mounting hole 42, the end of the lock shaft 9 close to the through hole 41 being fixed with an anti-dropping block 43, the mounting hole 42 being for the anti-dropping block 43 to pass through, the anti-dropping block 43 being rotationally driven to rotate the lock shaft 9, when the lawn mower body is limited between the fixed frame 1 and the anti-dropping block 43, the roller structure is mounted.

[0036] Referring to Figures 2-6, the garden tool installed roller structure further comprises a limiting assembly 5 for preventing the lock shaft 9 from being separated from the fixing frame 1, the limiting assembly 5 comprises a spring 51 and a limiting ring piece 52, the spring 51 is sleeved on the lock shaft 9, the spring 51 has a radius greater than that of the through hole 41, and the end, away from the through hole 41, of the lock shaft 9 is connected with a limiting bolt through a threaded hole, and the limiting ring piece 52 is fixed on the limiting bolt and has a radius greater than that of the spring 51, and one end of the spring 51 abuts against the through hole 41, and the other end abuts against the limiting ring piece 52.

[0037] With reference to Figures 2-6 , one side of the anti-disengagement block 43 close to the through hole 41 is fixed with a limiting block 61, and one side of the protruding block 84 close to the lock shaft 9 is provided with a limiting groove 62, the limiting groove 62 is communicated with the through hole 41, when the anti-disengagement block 43 drives the lock shaft 9 to rotate to abut against the limiting block 43 at the opening of the mounting hole 42, the limiting block 61 is located in the limiting groove 62, and the spring 51 drives the anti-disengagement block 43 to abut against the limiting groove 62. One side of the protruding block 84 close to the lock shaft 9 is provided with a placing groove 82, the placing groove 82 is arranged perpendicularly to the limiting groove 62, the placing groove 82 is communicated with the through hole 41, and the depth of the placing groove 82 along the length direction of the through hole 41 is less than that of the limiting groove 62.

[0038] The implementation principle of the garden tool installed roller structure is as follows: when the roller structure needs to be installed, the anti-disengagement block 43 passes through the mounting hole 42, the spring 51 and the limiting ring piece 52 make the lock shaft 9 not easy to be separated from the fixing frame 1, and make the roller structure not easy to be separated from the lawn mower main body, when the roller 2 needs to be adjusted in height, the axle 3 is pulled, so that the axle 3 is located in the other U-shaped clamping groove 65, the height adjustment of the roller 2 is completed, the tension spring 7 better pulls the axle 3, meanwhile, the U-shaped clamping groove 65 is arranged along the direction in which the lawn mower main body mows the lawn and is inclined upward, the roller 2 abuts against the groove bottom of the U-shaped clamping groove 65 when the lawn is mowed, so that the roller 2 is prevented from being separated from the U-shaped clamping groove 65 when working; when disassembled, the limiting block 61 is separated from the limiting groove 62 by pulling the anti-disengagement block 43 to rotate, so that the roller structure can be disassembled, the roller structure on the lawn mower is convenient and fast to install, the lawn mower roller structure is convenient and fast to install and disassemble, and the assembly efficiency of the lawn mower is improved.

[0039] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, so that: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A garden tool mounted roller structure comprising a fixing frame (1) and a roller (2), characterized in that: The roller (2) is rotatably arranged on both sides of the fixed frame (1), the fixed frame (1) is provided with a through hole (41), the fixed frame (1) is used for being mounted to the lawn mower body, the lawn mower body is provided with a mounting hole (42); further comprising a lock shaft (9), one end of the lock shaft (9) is rotatably and slidingly connected in the through hole (41), the other end of the lock shaft (9) passes through the mounting hole (42), the end of the lock shaft (9) close to the through hole (41) is provided with an anti-off block (43), the mounting hole (42) is passed through the anti-off block (43), the anti-off block (43) is rotated to drive the lock shaft (9) to rotate, when the lawn mower body is limited between the fixed frame (1) and the anti-off block (43), the roller structure is installed.

2. The garden tool mounted roller structure of claim 1, wherein: Further comprising a limiting assembly (5) for preventing the lock shaft (9) from being separated from the fixed frame (1), the limiting assembly (5) comprises a spring (51) and a limiting ring piece (52), the spring (51) is sleeved on the lock shaft (9), the radius of the spring (51) is greater than the radius of the through hole (41), the limiting ring piece (52) is arranged on the end of the lock shaft (9) away from the through hole (41), the radius of the limiting ring piece (52) is greater than the radius of the spring (51), one end of the spring (51) abuts at the hole opening of the through hole (41), and the other end abuts on the limiting ring piece (52).

3. The garden tool mounted roller structure of claim 2, wherein: The anti-off block (43) is provided with a limiting block (61) on one side close to the through hole (41), the fixed frame (1) is provided with a limiting groove (62) on one side close to the lock shaft (9), when the anti-off block (43) drives the lock shaft (9) to rotate to abut against the hole opening of the mounting hole (42), the limiting block (61) is located in the limiting groove (62), and the spring (51) drives the anti-off block (43) to abut tightly in the limiting groove (62).

4. The garden tool mounted roller structure of claim 1, wherein: Further comprising an axle (3), the roller (2) is arranged on the axle (3), vertical plates (63) are arranged on opposite sides of the bottom of the fixed frame (1), recesses (64) are arranged on the vertical plates (63), the recesses (64) are passed through the axle (3), a plurality of U-shaped clamping grooves (65) are vertically arranged on the surface of the vertical plate (63) and are communicated with the recesses (64), the axle (3) is clamped and rotatably connected in the U-shaped clamping groove (65), the fixed frame (1) is provided with a connecting boss (66) between the two U-shaped clamping grooves (65); further comprising a tension spring (7), one end of the tension spring (7) is arranged in the fixed frame (1), and the other end is arranged on the axle (3), the tension spring (7) drives the axle (3) to abut against the groove bottom of the U-shaped clamping groove (65) through the elastic force.

5. A garden tool mounted roller structure according to claim 4, characterised in that: The U-shaped clamping groove (65) is inclined towards one end of the fixed frame (1) where the tension spring (7) is located along the bottom of the fixed frame (1).

6. The garden tool mounted roller structure of claim 4, wherein: An arc surface (81) is arranged on one side of the U-shaped clamping groove (65) close to the connecting boss (66).

7. The garden tool mounted roller structure of claim 3, wherein: The fixing frame (1) is provided with a placing groove (82) on one side close to the lock shaft (9), the placing groove (82) is vertically arranged with the limiting groove (62), the placing groove (82) is communicated with the through hole (41), and the depth of the placing groove (82) along the length direction of the through hole (41) is less than that of the limiting groove (62).

8. The garden tool mounted roller structure of claim 4, wherein: The fixing frame (1) is provided with a clamping block (83), and one end of the tension spring (7) is abutted against the clamping block (83).

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