CN214482269U

CN214482269U - Grass cutter

Info

Publication number: CN214482269U
Application number: CN202023223648.5U
Authority: CN
Inventors: 江锦标; 朱国琪
Original assignee: ZHEJIANG CHANGJIANG MACHINERY CO Ltd
Current assignee: ZHEJIANG CHANGJIANG MACHINERY CO Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-26
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a mower belongs to mechanical technical field. It has solved the problem that current lawn mower work is wasted time and energy. This lawn mower, which comprises an outer shell, the shell is equipped with the unit head that is equipped with the blade, the rear end of shell is equipped with the knurling subassembly, the knurling subassembly is including linking firmly the support on the shell, the axial has linked firmly the axostylus axostyle and can drive axostylus axostyle pivoted actuating mechanism on the support, be equipped with the cylinder on the axostylus axostyle, be equipped with the one-way transmission structure between axostylus axostyle and the cylinder and the axostylus axostyle drives the cylinder through the one-way transmission structure when the lawn mower moves forward and rotates, the grass combing plate that is equipped with on the bottom surface of shell, the front end of the lower terminal surface of grass combing plate has a plurality of parallel arrangement and is banding comb grass tooth, comb grass tooth is on a parallel with the direction of advance setting of lawn mower. This lawn mower has the advantage that reliable operation is laborsaving and can realize the knurling.

Description

Grass cutter

Technical Field

The utility model belongs to the technical field of garden machine, a lawn mower is related to.

Background

With the development of economy and the improvement of living standard, people have higher and higher requirements on the greening level of living and living, the urban large ecological greenbelts, residential greenbelts, road greenbelts and the like are increased continuously, and the traditional manual pruning cannot meet the requirements of social development. In recent years, various mowing machines are being proposed, for example, a push mower without power equipment is one of the mowing machines, which has the advantages of reasonable structure, light weight, small volume, low noise, low price, flexible and convenient operation, and the like, and is popular among the users.

The grass pressing structure of the mower and the mower (application number: 201510226352.3) disclosed in the Chinese patent document comprise a roller, two wheels, a handle and two groups of adjusting devices, wherein the wheels are rotationally connected with a mower body, and the mower also comprises a positioning shaft fixed in a position opposite to the mower body; each group of adjusting devices comprises a first connecting rod, a second connecting rod and a bent third connecting rod, wherein two ends of the first connecting rod are respectively and rotatably connected with the handle and the second connecting rod, two ends of the second connecting rod are respectively and rotatably connected with the first connecting rod and the third connecting rod, two ends of the third connecting rod are respectively and rotatably connected with one end of the roller and the second connecting rod, the bent part of the third connecting rod is rotatably connected with one end of the positioning shaft, and the bent part of the third connecting rod is higher than the axis of the roller; a height adjusting rod parallel to the positioning shaft is further arranged between the joints of the second connecting rod and the third connecting rod at two positions of the two groups of adjusting devices, the height adjusting rod is rotatably connected with the second connecting rod, and when the wheels are raised or lowered, the height of a roller of the grass pressing mechanism is unchanged, so that the grass pressing effect is ensured to be perfectly exerted. However, the grass pressing structure of the mower is not provided with a one-way structure, so that the roller is in a grass pressing working state when moving forwards and backwards, the use is time-consuming and labor-consuming, and when grass clusters are mowed, the resistance is large and the mower is pushed to be laborious because the grass combing structure is not arranged.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a lawn mower of reliable operation laborsaving and can realize the knurling.

The purpose of the utility model can be realized by the following technical proposal: a mower comprises a housing, wherein the housing is provided with a power head provided with a blade, and the mower is characterized in that the rear end of the housing is provided with an embossing assembly, the embossing assembly comprises a support fixedly connected to the housing, a wheel shaft rod and a driving mechanism capable of driving the wheel shaft rod to rotate are axially fixedly connected to the support, a roller is arranged on the wheel shaft rod, a one-way transmission structure is arranged between the wheel shaft rod and the roller, the wheel shaft rod drives the roller to rotate through the one-way transmission structure when the mower moves forwards, a grass combing plate is arranged on the bottom surface of the housing, the front end of the lower end surface of the grass combing plate is provided with a plurality of grass combing teeth which are arranged in parallel and are in a strip shape, and the grass combing teeth are arranged in parallel to the advancing direction of the mower.

When the lawn mower works, the lawn mower moves forwards to mow, the grass combing teeth on the grass combing plate can comb the lawn, then the blades of the lawn mower mow the lawn, the driving mechanism drives the wheel shaft rod to rotate, and the one-way transmission structure drives the roller to rotate, so that the lawn is rolled, the purpose of rolling lines on the lawn is achieved, and meanwhile, the lawn mower saves labor and has a good grass combing effect; when the mower retreats, the transmission between the axle rod and the roller is in a disconnected state, and the roller is in a free state, so that the power assisting of the retreating of the mower is small, and the mower has the advantages of convenience and labor saving in use, simple structure and reliability.

In the mower, the one-way transmission structure is a one-way bearing with an inner ring sleeved on the axle rod, and an outer ring of the one-way bearing is fixedly connected with the roller. The one-way transmission structure is a one-way bearing arranged between the axle rod and the roller, and has the advantages of simple structure, reliable work and convenient assembly.

In the mower, the driving mechanism comprises a transmission rod and a speed reducer which are axially and fixedly connected to the support, the input end of the speed reducer is in transmission connection with the power head through a belt, the output end of the speed reducer is connected with the transmission rod, and the transmission rod is in transmission connection with the wheel shaft rod through a chain wheel and a chain. The power head drives the transmission rod to rotate through the speed reducer and drives the axle rod to rotate through the chain wheel and the chain, so that the power head has the advantages of high transmission efficiency and reliability in working, and as another mode, the transmission rod is in transmission connection with the axle rod through the belt wheel.

In the mower, the outer side wall of the roller is uniformly provided with strip-shaped grooves, and the strip-shaped grooves are parallel to the axis of the roller.

In the mower, the outer end of the roller is fixedly connected with a bearing seat, the one-way bearing is embedded in the bearing seat, and the inner ring of the one-way bearing is connected with the axle rod. The one-way bearing is embedded in the bearing seat, and the bearing seat has the advantages of convenience in assembly and reliability in work.

In the mower, the inner end of the roller is fixedly connected with a roller cover, the axle rod penetrates through the roller cover, and a bearing is arranged between the roller cover and the axle rod. The bearing is embedded in the drum cover, so that the wheel shaft rod can freely rotate relative to the drum, and the operation is reliable.

In the mower, the support comprises a first side plate and a second side plate which are fixedly connected to the housing and arranged in parallel, and the first side plate and the second side plate are fixedly connected through a connecting rod. Adopt above-mentioned setting to make the simple structure of support and convenient assembling's advantage.

In the above mower, the cross section of the grass combing teeth is trapezoidal, and the width of the outer end of the cross section of the grass combing teeth is smaller than that of the inner end of the cross section of the grass combing teeth. The cross-section of the grass combing teeth is trapezoidal, and the grass combing teeth have the advantages of good grass combing effect and small resistance in grass combing.

In the above mower, the front ends of the grass combing teeth are arc-shaped. By adopting the arrangement, the grass combing teeth can smoothly penetrate through the grass ball, and the grass combing device has the advantage of smooth grass combing.

In foretell lawn mower, the comb grass board on be equipped with the regulation rack, the inner of comb grass board be equipped with the perpendicular bar groove that sets up of comb grass tooth, the regulation rack including inlay in the installation department of bar inslot and set up the regulation tooth on the installation department, the regulation tooth with comb grass tooth parallel arrangement just the regulation tooth with comb grass tooth and interval setting. Through the position of adjustment installation department, can reach and adjust the comb grass tooth and adjust the interval between the tooth, have simple structure and adjust convenient advantage.

In the mower, the mounting part is provided with a strip-shaped through hole, and a screw penetrates through the strip-shaped through hole to be fixedly connected with the grass combing plate. By adopting the arrangement, the installation part can be conveniently fixed after being adjusted, and the device has the advantages of simple structure and convenience in connection.

In the above mower, the grass combing plate and the housing are of an integral structure. By adopting the arrangement, the device has the advantages of compact structure and convenience in manufacturing.

Compared with the prior art, this lawn mower has following advantage:

1. the lawn mower moves forwards to mow, the grass combing teeth on the grass combing plate can comb the lawn, then the blade of the lawn mower mows the lawn, the driving mechanism drives the wheel shaft rod to rotate, and the one-way transmission structure drives the roller to rotate, so that the lawn is rolled, the purpose of rolling lines on the lawn is achieved, and meanwhile, the lawn mower has the advantages of labor saving and good grass combing effect;

2. when the mower retreats, the transmission between the axle rod and the roller is in a disconnected state, and the roller is in a free state, so that the power assisting of the retreating of the mower is small, and the mower has the advantages of convenience and labor saving in use, simple and reliable structure;

3. the power head drives the transmission rod to rotate through the speed reducer and drives the wheel shaft rod to rotate through the chain wheel and the chain, so that the power head has the advantages of high transmission efficiency and reliability in work;

4. the front ends of the grass combing teeth are arc-shaped, so that the grass combing teeth can smoothly penetrate through the grass ball, and the grass combing device has the advantage of smooth grass combing;

5. through the position of adjustment installation department, can reach and adjust the comb grass tooth and adjust the interval between the tooth, have simple structure and adjust convenient advantage.

Drawings

Fig. 1 is a perspective view of the present lawnmower.

Fig. 2 is a perspective view of another angle of the present lawnmower.

Fig. 3 is an exploded schematic view of the present mower embossing assembly.

Fig. 4 is a schematic cross-sectional view of the present mower embossing assembly.

Fig. 5 is a partial front view of the present lawnmower.

FIG. 6 is a schematic view of a grass cutting board of the present lawnmower.

Fig. 7 is a schematic view of a grass combing plate of another mode of the present lawnmower.

In the figure, 1, a housing; 2. a power head; 3. a blade; 4. an embossing assembly; 4a, a bracket; 4a1, a first side plate; 4a2, side panel two; 4a3, connecting rod; 4b, a wheel axle rod; 4c, a roller; 4c1, a strip-shaped groove; 4d, a one-way bearing; 4e, a transmission rod; 4f, a speed reducer; 4g, bearing seats; 4h, a roller cover; 4i, a bearing; 5. grass combing plates; 5a, combing grass teeth; 5b, a strip-shaped groove; 6. adjusting the rack; 6a, an installation part; 6b, adjusting teeth; 6c, strip-shaped through holes.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, a mower comprises a housing 1, wherein the housing 1 is provided with a power head 2 provided with a blade 3, the rear end of the housing 1 is provided with an embossing assembly 4, the embossing assembly 4 comprises a bracket 4a fixedly connected to the housing 1, the bracket 4a comprises a first side plate 4a1 and a second side plate 4a2 which are fixedly connected to the housing 1 and arranged in parallel, and the first side plate 4a1 and the second side plate 4a2 are fixedly connected through a connecting rod 4a 3. The support 4a is axially and fixedly connected with an axle rod 4b and a driving mechanism capable of driving the axle rod 4b to rotate, the driving mechanism comprises a transmission rod 4e and a speed reducer 4f which are axially and fixedly connected onto the support 4a, the input end of the speed reducer 4f is connected with the power head 2 through belt transmission, the output end of the speed reducer 4f is connected with the transmission rod 4e, and the transmission rod 4e is connected with the axle rod 4b through chain wheel and chain transmission.

The axle rod 4b is provided with a roller 4c, the outer side wall of the roller 4c is uniformly provided with strip-shaped grooves 4c1, and the strip-shaped grooves 4c1 are arranged in parallel with the axis of the roller 4 c. The inner end of the roller 4c is fixedly connected with a roller cover 4h, the axle rod 4b penetrates through the roller cover 4h, and a bearing 4i is arranged between the roller cover 4h and the axle rod 4 b. Be equipped with one-way transmission structure between axostylus axostyle 4b and the cylinder 4c and when the lawn mower moved forward 4b drives cylinder 4c through one-way transmission structure and rotates, one-way transmission structure is the one-way bearing 4d of inner circle cover on axostylus axostyle 4b, the outer end of cylinder 4c has linked firmly bearing frame 4g, one-way bearing 4d inlays in bearing frame 4g, the inner circle of one-way bearing 4d links to each other with axostylus axostyle 4b, the outer lane of one-way bearing 4d links firmly with cylinder 4c mutually.

The front end of the bottom surface of the shell 1 is provided with a grass combing plate 5, the front end of the lower end surface of the grass combing plate 5 is provided with a plurality of strip-shaped grass combing teeth 5a which are arranged in parallel, and the grass combing teeth 5a are arranged in parallel with the advancing direction of the mower. The section of the grass combing teeth 5a is trapezoidal, the width of the outer end of the section of the grass combing teeth 5a is smaller than that of the inner end of the section of the grass combing teeth 5a, the front ends of the grass combing teeth 5a are arc-shaped, the grass combing teeth 5a can smoothly penetrate through a grass ball, and the grass combing device has the advantage of smooth grass combing. As another mode, the grass combing plate 5 and the shell 1 are of an integral structure, and the grass combing plate has the advantages of compact structure and convenience in manufacturing.

When the lawn mower works, the lawn mower moves forwards to mow, the grass combing teeth 5a on the grass combing plate 5 can comb the lawn, then the blade 3 of the lawn mower mow the lawn, the power head 2 drives the transmission rod 4e to rotate through the speed reducer 4f, drives the wheel shaft rod 4b to rotate through the chain wheel and the chain, and drives the roller 4c to rotate through the one-way bearing 4d, so that the lawn is rolled, the purpose of rolling lines on the lawn is achieved, and meanwhile, the lawn mower has the advantages of labor saving and good grass combing effect; when the mower retreats, the transmission between the axle rod 4b and the roller 4c is in a disconnected state, and the roller 4c is in a free state, so that the power assisting for retreating the mower is small, and the mower has the advantages of convenience in use, labor saving and simple and reliable structure.

Alternatively, as shown in fig. 7, the front ends of the grass-combing teeth 5a are formed in a pointed shape, so that the grass-combing teeth 5a can smoothly pass through the grass pile, thereby providing an advantage of smooth grass combing. Be equipped with adjusting rack 6 on grass combing plate 5, grass combing plate 5's the inner be equipped with the perpendicular bar groove 5b that sets up of comb grass tooth 5a, adjusting rack 6 is including inlaying installation department 6a in bar groove 5b and setting up the regulation tooth 6b on installation department 6a, adjust tooth 6b and comb grass tooth 5a parallel arrangement and adjust tooth 6b and comb grass tooth 5a and interval setting, be equipped with bar through-hole 6c on the installation department 6a, the screw passes bar through-hole 6c and comb grass plate 5 links firmly mutually. Through the position of adjustment installation department 6a, can reach and adjust the interval between comb grass tooth 5a and the regulation tooth 6b, have simple structure and adjust convenient advantage.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A mower comprises a housing (1), wherein the housing (1) is provided with a power head (2) provided with a blade (3), and is characterized in that the rear end of the housing (1) is provided with an embossing component (4), the embossing component (4) comprises a support (4a) fixedly connected on the housing (1), the support (4a) is axially and fixedly connected with a wheel shaft rod (4b) and a driving mechanism capable of driving the wheel shaft rod (4b) to rotate, the wheel shaft rod (4b) is provided with a roller (4c), a one-way transmission structure is arranged between the wheel shaft rod (4b) and the roller (4c), when the mower moves forwards, the wheel shaft rod (4b) drives the roller (4c) to rotate through the one-way transmission structure, the bottom surface of the housing (1) is provided with a grass combing plate (5), the front end of the lower end face of the grass combing plate (5) is provided with a plurality of strip-shaped grass combing teeth (5a) which are arranged in parallel, and the grass combing teeth (5a) are arranged in parallel with the advancing direction of the mower.

2. The mower according to claim 1, wherein the one-way transmission structure is a one-way bearing (4d) with an inner ring sleeved on the axle rod (4b), and an outer ring of the one-way bearing (4d) is fixedly connected with the roller (4 c).

3. A lawnmower as claimed in claim 1, wherein the drive mechanism comprises a drive rod (4e) and a speed reducer (4f) axially secured to the frame (4a), the input of the speed reducer (4f) being belt-driven to the power head (2), the output of the speed reducer (4f) being connected to the drive rod (4e), the drive rod (4e) being chain-driven to the axle rod (4 b).

4. A lawnmower as claimed in claim 1, 2 or 3, wherein the outside wall of the roller (4c) is uniformly provided with strip-shaped grooves (4c1), the strip-shaped grooves (4c1) being arranged parallel to the axis of the roller (4 c).

5. The mower according to claim 2, wherein a bearing seat (4g) is fixedly connected to an outer end of the roller (4c), the one-way bearing (4d) is embedded in the bearing seat (4g), an inner ring of the one-way bearing (4d) is connected with the axle rod (4b), a roller cover (4h) is fixedly connected to an inner end of the roller (4c), the axle rod (4b) penetrates through the roller cover (4h), and a bearing (4i) is arranged between the roller cover (4h) and the axle rod (4 b).

6. A lawnmower as claimed in claim 1, 2 or 3, wherein said frame (4a) comprises a first side plate (4a1) and a second side plate (4a2) attached to the housing (1) in parallel arrangement, said first side plate (4a1) and said second side plate (4a2) being fixedly connected by a connecting rod (4a 3).

7. A lawnmower as claimed in claim 1, 2 or 3, wherein the teeth (5a) are trapezoidal in cross-section and the teeth (5a) have a cross-section with an outer end width less than an inner end width.

8. A lawnmower as claimed in claim 7, wherein the front ends of the grass-combing teeth (5a) are rounded.

9. A mower as claimed in claim 1, 2 or 3 wherein said grass combing plate (5) is provided with an adjusting rack (6), said grass combing plate (5) is provided at an inner end thereof with a strip-shaped groove (5b) disposed perpendicular to said grass combing teeth (5a), said adjusting rack (6) comprises an installation portion (6a) embedded in said strip-shaped groove (5b) and adjusting teeth (6b) disposed on said installation portion (6a), said adjusting teeth (6b) are disposed parallel to said grass combing teeth (5a) and said adjusting teeth (6b) are disposed spaced from said grass combing teeth (5 a).

10. A lawnmower as claimed in claim 9, wherein said mounting portion (6a) is provided with a through hole (6c) in the form of a bar, and a screw is screwed through the through hole (6c) to attach to said grass combing plate (5).