CN214902205U

CN214902205U - Walking wheel driven lawnmower

Info

Publication number: CN214902205U
Application number: CN202121050816.7U
Authority: CN
Inventors: 张旭超; 陈伟
Original assignee: Dongguan Muqin Intelligent Technology Co ltd
Current assignee: Dongguan Muqin Intelligent Technology Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-30
Anticipated expiration: 2031-05-17

Abstract

The utility model provides a travelling wheel drive lawnmower belongs to unpowered lawnmower technical field. Comprises a tooth head travelling wheel, a mounting rack, an umbrella tooth head eccentric shaft, a tooth cutter mounting piece, a shield, an upper tooth cutter and a lower tooth cutter; two ends of the mounting rack are respectively connected with a tooth head travelling wheel and an umbrella tooth head eccentric shaft, and second umbrella teeth on the umbrella tooth head eccentric shaft are meshed with first umbrella teeth on the tooth head travelling wheel; the lower parts of the two ends of the mounting rack are respectively fixedly connected with a serrated knife mounting piece; the two ends of the upper serrated knife and the two ends of the lower serrated knife are movably inserted between the two serrated knife mounting pieces, the lower end of one bevel gear head eccentric shaft is inserted into the first long hole in one end of the upper serrated knife, the lower portion of the other bevel gear head eccentric shaft is inserted into the second long hole in one end of the lower serrated knife after penetrating through the first long hole in the other end of the upper serrated knife, and the protective covers are connected to the two ends of the inner side of the mounting frames. The utility model discloses simple structure, with low costs, the volume is littleer, the operation is more reliable.

Description

Walking wheel driven lawnmower

Technical Field

The utility model belongs to the technical field of unpowered lawnmower, concretely relates to travelling wheel drive lawnmower.

Background

At present, a common grass mower needs to be provided with a power device or connected with a power mechanism of a vehicle through a transmission part to run, so that the cost is high, and the composition or connection is complex; although the vehicle traction ploughshare can weed, the grass cutting is difficult to realize.

Patent CN206314211U is a hand-push type unpowered lawnmower, which cuts grass by the independent reciprocating motion of the upper and lower blades and the unpowered engine. The grass cutting mode of this patent technique need not to take drive arrangement such as motor certainly, and is more energy-conserving quiet, and the grass cutting process is difficult for receiving the turn influence reliability better, and the operating efficiency is higher, but its volume is great, transmission part is many, the structure is more complicated, and the cost is higher, and the reliability is not good.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a travelling wheel drive lawnmower of simple structure, with low costs, the volume is littleer.

In order to achieve the above purpose, the utility model discloses there is following technical scheme:

the utility model provides a traveling wheel driven lawnmower, which comprises a gear head traveling wheel, a mounting frame, an umbrella gear head eccentric shaft, a gear cutter mounting piece, a shield, an upper gear cutter and a lower gear cutter;

two ends of the mounting rack are respectively connected with a tooth head travelling wheel and an umbrella tooth head eccentric shaft through bearings, wherein a second umbrella tooth on the umbrella tooth head eccentric shaft is meshed with a first umbrella tooth on the tooth head travelling wheel; the lower parts of the two ends of the mounting rack are respectively fixedly connected with a serrated knife mounting piece; the two ends of the upper serrated knife and the two ends of the lower serrated knife are movably inserted between the two serrated knife mounting pieces, the lower end of one bevel gear head eccentric shaft is inserted into the first long hole at one end of the upper serrated knife, the lower part of the other bevel gear head eccentric shaft is inserted into the second long hole at one end of the lower serrated knife after penetrating through the first long hole at the other end of the upper serrated knife, the protective covers are connected to the two ends of the inner side of the mounting frame and used for preventing foreign matters such as weeds from entering between the first bevel gear and the second bevel gear and preventing the foreign matters such as the weeds from being wound on the bevel gear head eccentric shaft.

Preferably, a connecting frame is further arranged, and one end or the middle part of the connecting frame is fixedly connected to the mounting frame.

Preferably, a reinforcing rib is further arranged, and the reinforcing rib is arranged above the upper tooth cutter and below the lower tooth cutter.

Preferably, a universal wheel is further arranged, and the universal wheel is connected to one end of the connecting frame.

Owing to adopted above technical scheme, the utility model has the advantages of:

1. the two tooth head traveling wheels of the utility model can drive the movable tooth cutter to move simultaneously or respectively and independently, and the operation reliability is higher;

2. the utility model adopts the grass cutting serrated knife arranged below the wheel shaft, so that the volume of the equipment is smaller;

3. the utility model drives the bevel gear eccentric shaft and further drives the gear cutter only through the gear traveling wheel, so that the transmission links are few, the driving efficiency is higher, and more energy is saved;

4. the utility model discloses during the use, only need through drive arrangement such as link connection vehicle, or the manpower promotes and cuts grass, convenient operation.

Drawings

Fig. 1 is a schematic side view of an example 1 of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of the present invention taken along line A of FIG. 1;

figure 3 is a schematic top view of figure 2 of the present invention;

fig. 4 is a schematic view of a tooth head traveling wheel according to an embodiment of the present invention;

FIG. 5 is a schematic view of an eccentric shaft of a bevel head according to an embodiment of the present invention;

FIG. 6 is a schematic view of an upper and lower serrated knife of an embodiment of the present invention with one end inserted into a serrated knife mounting member;

figure 7 is a schematic view of a serrated knife mount of an embodiment of the present invention;

fig. 8 is a schematic view of the upper serrated knife of the present invention;

FIG. 9 is a schematic view of the lower rack cutter of the present invention;

fig. 10 is a schematic top view of a fixed tooth cutter in accordance with an embodiment of the present invention;

fig. 11 is a schematic side view of an example 2 of the overall structure of an embodiment of the present invention;

figure 12 is a schematic top view of figure 11 in accordance with the present invention;

FIG. 13 is a schematic side view of the wheel drive lawnmower of the present invention coupled to a vehicle chassis;

fig. 14 is a schematic side view of an example 1 of the overall structure according to an embodiment of the present invention connected to a vehicle via a connecting bracket.

In the figure: 1. a tooth head traveling wheel; 11. a wheel; 12. a wheel axle; 13. a first bevel gear; 2. a mounting frame; 3. an eccentric shaft of the bevel gear head; 31. an eccentric shaft; 32. a second bevel gear; 4. a bearing; 5. a serrated knife mount; 51. a serrated knife jack; 52. a screw hole; 6. a screw; 7. a toothed cutter is arranged; 71. an upper serrated knife body; 72. a first long hole; 8. a lower serrated knife; 81. a lower serrated knife body; 82. a second long hole; 9. a connecting frame; 10. a universal wheel; 20. a shield; 100. the travelling wheels drive the lawnmower; 200. a vehicle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, the present invention discloses a wheel-drive lawnmower 100, which comprises a gear head gear wheel 1, a mounting frame 2, a bevel gear head eccentric shaft 3, a gear knife mounting member 5, a guard 20, an upper gear knife 7 and a lower gear knife 8;

the gear head traveling wheel 1 is formed by fixedly connecting a first bevel gear 13 and a wheel 11 at two ends of a wheel shaft 12 respectively; the bevel gear head eccentric shaft 3 is formed by fixedly connecting a second bevel gear 32 at one end of an eccentric shaft 31; two ends of the mounting rack 2 are respectively connected with a tooth head traveling wheel 1 and a bevel tooth head eccentric shaft 3 through bearings 4, wherein a second bevel gear 32 on the bevel tooth head eccentric shaft 3 is meshed with a first bevel gear 13 on the tooth head traveling wheel 1; the lower parts of the two ends of the mounting rack 2 are fixedly connected with a serrated knife mounting piece 5 through screws 6 or rivets and the like; two first long holes 72 are formed in the upper serrated knife body 71 of the upper serrated knife 7, and a second long hole 82 is formed in one end of the lower serrated knife body 81 of the lower serrated knife 8; the two ends of the upper serrated knife body 71 and the lower serrated knife body 81 are movably inserted between the two serrated knife mounting pieces 5, the lower end of the eccentric shaft 31 of one beveled-head eccentric shaft 3 is inserted into the first long hole 72 at one end of the upper serrated knife body 71, the lower part of the eccentric shaft 31 of the other beveled-head eccentric shaft 3 passes through the first long hole 72 at the other end of the upper serrated knife body 71 and then is inserted into the second long hole 82 of the lower serrated knife body 81, and the shields 20 are connected to the two ends of the inner side of the mounting frame 2 and used for preventing foreign matters such as weeds from entering between the first bevel gear 13 and the second bevel gear 32 and preventing the foreign matters such as the weeds from being wound on the eccentric shaft 31 of the beveled-head eccentric shaft 3.

The specific embodiments will now be described as follows:

referring to fig. 1, 2, 3, 11 and 12, one end or the middle of the connecting frame 9 of the present invention is fixedly connected to the mounting frame 2.

Referring to fig. 2, 6 and 8, the reinforcing rib 30 of the present invention is provided above the upper blade body 71 and below the lower blade body 81.

Referring to fig. 11 and 12, the universal wheel 10 of the present invention is connected to one end of the connecting frame 9.

Fourthly, referring to fig. 1, fig. 2, fig. 5, fig. 6, fig. 11 and fig. 12, the utility model discloses working process:

referring to fig. 14, will the utility model discloses a link 9 is connected with drive devices such as vehicle, perhaps promotes the one end of link 9 through the staff, works as the utility model discloses a when travelling wheel drive lawnmower 100 is promoted or stimulates, two tooth head travelling wheels 1 roll and drive respectively rather than the bevel gear head eccentric shaft 3 rotation of meshing, and the eccentric shaft 31 of two bevel gear head eccentric shafts 3 drives serrated knife 7 respectively and lower serrated knife 8 is reciprocating motion between two serrated knife installed parts 5, can be cut between the tooth of serrated knife 7 and lower serrated knife 8 when weeds get into.

Referring to fig. 13, the utility model discloses also can be connected mounting bracket 2 and vehicle 200 chassis through screw or welding, thereby will the utility model relates to a front wheel or rear wheel of vehicle 200 can drive travelling wheel drive lawnmower 100 when vehicle 200 is marchd and cut the grass operation.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. A travelling wheel driven lawnmower is characterized in that: comprises a tooth head travelling wheel, a mounting rack, an umbrella tooth head eccentric shaft, a tooth cutter mounting piece, a shield, an upper tooth cutter and a lower tooth cutter;

2. A wheel drive lawnmower according to claim 1, wherein: the connecting frame is further arranged, and one end or the middle of the connecting frame is fixedly connected to the mounting frame.

3. A wheel drive lawnmower according to claim 1, wherein: and the reinforcing ribs are arranged on the upper tooth cutter and the lower tooth cutter.

4. A wheel drive lawnmower according to claim 2, wherein: still be equipped with the universal wheel, the universal wheel is connected in the one end of link.