Nail wheel convenient to replace for mower

Abstract

The utility model relates to the technical field of hay mowers, in particular to a hay mower nail wheel convenient to replace, which comprises a hay mower, a protective shell, a wheel and a nail tire, a baffle is fixedly connected to one side, close to the hay mower, of the wheel, and a rotating shaft penetrates through the side wall of the protective shell and is rotatably connected with the side wall of the protective shell. The multiple sliding assemblies are driven by the driving assembly to work, so that the multiple sliding assemblies abut against the side wall of the nailed tire, the nailed tire is limited, the purpose of rapidly replacing the nailed tire is achieved, nails on the surface of the nailed tire can be embedded into the contacted ground or the surfaces of other objects, and the nailed tire can be conveniently replaced. When the nail tire rolls on the soft ground, the nails can be inserted into the ground by a certain depth and make contact with the lower firmer ground, and the technical problem that the lawn mower slips is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mower technical field, concretely is a nail wheel convenient to replace for mower. BACKGROUND

[0002] The mower is also called grass trimmer, lawn mower, lawn trimmer and the like. The mower is a mechanical tool for trimming lawns, vegetation and the like. The mower is composed of a cutter head, an engine, a running wheel, a running mechanism, a blade, a handrail and a control part. The cutter head is mounted on the running wheel. The engine is mounted on the cutter head. The blade is mounted on the output shaft of the engine. The blade is rotated at high speed by the engine to improve the speed and save the working time of the grass trimmer and reduce the labor resources.

[0003] The mower in the prior art is worn out during use. Therefore, the nail tire of the mower needs to be replaced. However, the replacement of the nail tire of the mower is troublesome in the prior art. In order to reduce the workload of the staff, a nail wheel convenient to replace for mower is needed. UTILITY MODEL CONTENTS

[0004] The utility model intends to provide a nail wheel convenient to replace for mower, which is mainly used to solve the technical problem that the nail tire of the mower is not convenient to replace in the prior art.

[0005] In order to solve the above technical problem, the utility model provides the following technical scheme.

[0006] A nail wheel convenient to replace for mower, which comprises a mower, a protective shell, a wheel and a nail tire. The side of the wheel close to the mower is fixedly connected with a baffle. The side wall of the protective shell is penetrated and rotationally connected with a rotating shaft. The end of the rotating shaft outside the wheel is fixedly connected with a rotating disc. The end of the rotating shaft inside the wheel is fixedly connected with a first gear. The first gear is rotationally connected with the inner side wall of the wheel. The inner side wall of the wheel is rotationally connected with a plurality of driving assemblies. The first gear is used to drive the plurality of driving assemblies to work. The inner side wall of the protective shell is rotationally connected with a plurality of sliding assemblies. The plurality of driving assemblies and the plurality of sliding assemblies are intermeshed. The outer side wall of the rotating disc is penetrated and slidingly connected with a limiting assembly.

[0007] The working principle and beneficial effects of the utility model are as follows.

[0008] 1. Working principle: when the nail tire needs to be replaced, the limiting assembly is adjusted first to release the limitation of the rotating disc, then the rotating disc is rotated, the rotating shaft drives the first gear to rotate, and in the process of rotating the first gear, multiple driving assemblies are driven to work, and then the sliding assembly is driven to work by the driving assembly, so that the sliding assembly is collected into the inside of the wheel, so that the sliding assembly no longer limits the nail tire, at this time, the nail tire is pulled outwards, the nail tire can be quickly disassembled from the outer side wall of the wheel, then a new nail tire is installed on the outer side wall of the wheel, and the rotating disc is reversely rotated to limit the nail tire again by the sliding assembly.

[0009] 2. Advantage:

[0010] The driving assembly is arranged, multiple sliding assemblies are driven to work by the driving assembly, the sidewall of the nail tire is in contact with the multiple sliding assemblies, the limitation of the nail tire is realized, the purpose of quickly replacing the nail tire is achieved, the nails on the surface of the nail tire can be embedded into the surface of the ground or other objects, when the nail tire rolls on the soft ground, the nails will be inserted into the ground to a certain depth and contact the more solid ground below, preventing the mower from slipping, the limiting assembly is arranged, after the replacement of the nail tire is completed, the rotating disc is rotated due to external force, the sliding assembly no longer contacts the sidewall of the nail tire, and the nail tire is loose.

[0011] The driving assembly includes a second gear rotatably connected to the inner sidewall of the wheel, the second gear is in meshing connection with the first gear, the sidewall of the second gear is fixedly connected with a rotating rod, and the end of the rotating rod is fixedly connected with a driving bevel gear, when the nail tire on the mower needs to be replaced, the rotating disc is rotated, the rotating shaft is driven to rotate by the rotating disc, the first gear is driven to rotate along the inner sidewall of the wheel by the rotating shaft, multiple second gears are driven to rotate in the process of rotating the first gear, the driving bevel gear is driven to rotate by the rotating rod in the process of rotating the second gear, the sliding assembly is driven to work by the driving bevel gear, the limitation of the nail tire is realized or released by the sliding assembly, and the quick replacement of the nail tire is achieved.

[0012] Preferably, the sliding assembly comprises a lead screw rotationally connected to the inside of the protective shell, the end of the lead screw is fixedly connected with a driven bevel gear, the driven bevel gear is in meshing connection with a driving bevel gear, the outer side wall of the lead screw is threadedly connected with a sliding block, the side wall of the sliding block is fixedly connected with an L-shaped block, the L-shaped block is in penetrating and sliding connection with the side wall of the protective shell, the end of the L-shaped block is in abutment with the side wall of the nail tire, the driving bevel gear drives the driven bevel gear to rotate in the process of rotation of the driving bevel gear, and then the lead screw is driven to rotate by the driven bevel gear, the sliding block slides up and down along the outer side wall of the lead screw in the process of rotation of the lead screw, and the L-shaped block is driven to move in the process of sliding of the sliding block, so that the L-shaped block limits or releases the limitation of the L-shaped block on the nail tire, and the nail tire is conveniently replaced.

[0013] Preferably, the limiting assembly comprises a limiting rod in penetrating and sliding connection with the side wall of the rotating disc, the side wall of the protective shell is provided with a plurality of limiting holes matched with the limiting rod, and the plurality of limiting holes are circumferentially arranged, when the side wall of the L-shaped block is in abutment with the side wall of the nail tire, the limiting rod is pushed to be in or out of the inside of the limiting hole, so that the limiting work of the rotating disc is realized, and the rotating disc is prevented from rotating due to external force, so that the L-shaped block is prevented from being retracted into the inside of the protective shell, and the nail tire is prevented from loosening.

[0014] Preferably, the end of the limiting rod close to the limiting hole is provided with a rubber sleeve in sleeving connection with the side wall, the friction between the limiting rod and the limiting hole is increased by the rubber sleeve, so that the limiting rod is prevented from automatically separating from the limiting hole.

[0015] Preferably, the outer side wall of the wheel is fixedly connected with a plurality of rectangular blocks, and the inner side wall of the nail tire is provided with a plurality of rectangular grooves matched with the rectangular blocks, the rectangular blocks and the rectangular grooves are arranged, and the slippage between the nail tire and the wheel is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the protective shell, the wheel and the tire of the utility model;

[0018] Figure 3 It is a structure schematic view of the wheel inside the utility model;

[0019] Figure 4 It is a structure schematic view of the rectangular block, the rectangular groove and the tire of the utility model;

[0020] Figure 5 It is a structure schematic view of the driving bevel gear, the driven bevel gear and the lead screw of the utility model;

[0021] Figure 6The structure diagram of the rotating disc, the limiting rod and the limiting hole is shown.

[0022] The reference signs in the drawings of the specification include: 1, mower; 2, protective shell; 3, wheel; 4, nail tire; 5, limiting rod; 6, rotating disc; 7, baffle; 8, L-shaped block; 9, limiting hole; 10, rotating shaft; 11, first gear; 12, rectangular block; 13, rectangular groove; 14, driven bevel gear; 15, driving bevel gear; 16, rotating rod; 17, second gear; 18, sliding block; 19, screw rod; 20, rubber sleeve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] For example, Figures 1-6The utility model provides a kind of easy-to-replace nail wheel for mower, including mower 1, protective shell 2, wheel 3 and nail tire 4, by the nail of the nail tire 4 surface being set can be embedded into the surface of ground or other objects, when nail tire 4 rolls on softer ground, nail inserts into ground certain depth, contact more solid ground below, prevent the technical problem that mower 1 appears skidding phenomenon, wheel 3 is fixedly connected with baffle 7 on the side close to mower 1, the side wall of protective shell 2 is rotatably connected with rotating shaft 10, and one end of rotating shaft 10 is fixedly connected with rotating disc 6 outside wheel 3, and one end of rotating shaft 10 is fixedly connected with first gear 11 inside wheel 3, and first gear 11 is rotatably connected between the inner side wall of wheel 3, and the inner side wall of wheel 3 is rotatably connected with multiple drive assemblies, the drive assembly includes second gear 17 rotatably connected in the inner side wall of wheel 3, and second gear 17 is meshed with first gear 11, and the side wall of second gear 17 is fixedly connected with rotating rod 16, and the end of rotating rod 16 is fixedly connected with driving bevel gear 15, when the utility model 1 needs to replace nail tire 4, first by pulling limit rod 5 outward, make limit rod 5 move outward along the side wall of rotating disc 6, until rotating disc 6 is separated from limit hole 9, then by rotating rotating disc 6, utilize rotating shaft 10 to drive first gear 11 to rotate, simultaneously drive multiple second gears 17 in the process of rotating first gear 11, drive driving bevel gear 15 by rotating rod 16 in the process of rotating second gear 17, further drive sliding assembly to work by driving bevel gear 15, make sliding assembly to limit nail tire 4, realize the quick replacement of nail tire 4, and first gear 11 is used to drive multiple drive assemblies to work, the inner side wall of protective shell 2 is rotatably connected with multiple sliding assemblies, the sliding assembly includes screw rod 19 rotatably connected inside protective shell 2, the end of screw rod 19 is fixedly connected with driven bevel gear 14, and driven bevel gear 14 is meshed with driving bevel gear 15, and the outer side wall of screw rod 19 is threadedly connected with sliding block 18, the side wall of sliding block 18 is fixedly connected with L-shaped block 8, and L-shaped block 8 is rotatably connected with the side wall of protective shell 2, and the end of L-shaped block 8 is in abutment with the side wall of nail tire 4, drive driven bevel gear 14 to rotate in the process of rotating driving bevel gear 15, further drive screw rod 19 by driven bevel gear 14, sliding block 18 slides along the outer side wall of screw rod 19 in the process of rotating screw rod 19, drive L-shaped block 8 to move in the process of sliding sliding block 18, so that L-shaped block 8 is retracted to the inside of protective shell 2, then L-shaped block 8 does not limit nail tire 4, at this moment, pull nail tire 4 outward, can quickly detach nail tire 4 from the outer side wall of wheel 3, then install the rectangular groove 13 on the new nail tire 4 on the rectangular block 12 on wheel 3, make nail tire 4 be in abutment with baffle 7, finally by reversing rotating disc 6, utilize L-shaped block 8 to reposition nail tire 4,And a plurality of drive components and a plurality of sliding components between each other, the outer wall of the rotating disc 6 through and sliding connection limit component, the limit component includes through and sliding connection in the rotating disc 6 side wall limit rod 5, the side wall of the protective shell 2 is provided with a plurality of limit hole 9 suitable for limit rod 5, and a plurality of limit hole 9 is circumferentially arranged, the end of the limit rod 5 close to the limit hole 9 is provided with a rubber sleeve 20, through the limit rod 5 and limit hole 9, prevent the rotating disc 6 from rotating due to external force, make the L type block 8 retract to the inside of the protective shell 2, cause the nail tire 4 loose phenomenon.

[0025] From the above, the specific implementation of the utility model is as follows:

[0026] The mower 1 needs to replace the nail tire 4, first pull the limit rod 5 outward, make the limit rod 5 move outward along the side wall of the rotating disc 6, until the rotating disc 6 is separated from the limit hole 9, then rotate the rotating disc 6, drive a plurality of second gears 17 by rotating the first gear 11, drive the driven bevel gear 14 to rotate by rotating the driving bevel gear 15 through the connecting rod 16 in the process of rotating the second gear 17, in turn drive the lead screw 19 to rotate by the driven bevel gear 14, in the process of rotating the lead screw 19, the sliding block 18 slides along the outer side wall of the lead screw 19, drive the L type block 8 to move in the process of sliding the sliding block 18, so that the L type block 8 is retracted to the inside of the protective shell 2, then the L type block 8 no longer limits the nail tire 4, pull the nail tire 4 outward at this time, can quickly disassemble the nail tire 4 from the outer side wall of the wheel 3, then install the rectangular groove 13 on the new nail tire 4 on the rectangular block 12 on the wheel 3, make the nail tire 4 abut against the baffle 7, finally rotate the rotating disc 6 in reverse, use the L type block 8 to reposition the nail tire 4.

[0027] The above is only the embodiment of the utility model, the specific structure and the characteristics of the scheme known in the art are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the utility model, a number of deformations and improvements can be made, which should be considered as the protection scope of the utility model, which will not affect the effect and practicability of the utility model. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A replaceable spike wheel for a mower comprising a mower (1), a protective casing (2), a wheel (3) and a spike wheel tire (4), characterized in that, The wheel (3) is fixedly connected with a baffle (7) close to one side of the mower (1), the side wall of the protective shell (2) is rotatably connected with a rotating shaft (10), one end of the rotating shaft (10) located outside the wheel (3) is fixedly connected with a rotating disc (6), one end of the rotating shaft (10) located inside the wheel (3) is fixedly connected with a first gear (11), the first gear (11) is rotatably connected with the inner side wall of the wheel (3), the inner side wall of the wheel (3) is rotatably connected with a plurality of driving assemblies, the first gear (11) is used for driving the plurality of driving assemblies to work, the inner side wall of the protective shell (2) is rotatably connected with a plurality of sliding assemblies, the plurality of driving assemblies and the plurality of sliding assemblies are meshed with each other, and the outer side wall of the rotating disc (6) is rotatably connected with a limiting assembly.

2. The easily replaceable spike wheel for a lawn mower according to claim 1, wherein: The driving assembly comprises a second gear (17) rotatably connected to the inner side wall of the wheel (3), the second gear (17) and the first gear (11) are meshed with each other, the side wall of the second gear (17) is fixedly connected with a rotating rod (16), and the end of the rotating rod (16) is fixedly connected with a driving bevel gear (15).

3. The easily replaceable spike wheel for a lawn mower according to claim 2, wherein: The sliding assembly comprises a lead screw (19) rotatably connected to the inside of the protective shell (2), the end of the lead screw (19) is fixedly connected with a driven bevel gear (14), the driven bevel gear (14) and the driving bevel gear (15) are meshed with each other, the outer side wall of the lead screw (19) is threadedly connected with a sliding block (18), the side wall of the sliding block (18) is fixedly connected with an L-shaped block (8), the L-shaped block (8) is rotatably connected with the side wall of the protective shell (2), and the end of the L-shaped block (8) abuts against the side wall of the nail tire (4).

4. The easily replaceable spike wheel for a lawn mower according to claim 1, wherein: The limiting assembly comprises a limiting rod (5) rotatably connected with the side wall of the rotating disc (6), a plurality of limiting holes (9) adapted to the limiting rod (5) are formed in the side wall of the protective shell (2), and the plurality of limiting holes (9) are circumferentially distributed.

5. A spike wheel for a lawn mower according to claim 4, wherein: The end of the limiting rod (5) close to the limiting hole (9) is provided with a rubber sleeve (20).

6. The easily replaceable spike wheel for a lawn mower according to claim 1, wherein: The outer side wall of the wheel (3) is fixedly connected with a plurality of rectangular blocks (12), and the inner side wall of the nail tire (4) is provided with a plurality of rectangular grooves (13) matched with the rectangular blocks (12).

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