CN215683381U - Portable grass mower - Google Patents

Abstract

The utility model relates to the technical field of a grass mower, in particular to a portable grass mower which comprises a rack, traveling wheels, a cutting mechanism, a push rod, a housing and a handle, wherein the bottom of the rack is provided with a cutter mounting hole; the push rod is arranged at the rear end of the frame; the housing is arranged above the frame, and the handle is detachably arranged on the housing. The grass mower is simple in structure and convenient to carry.

Description

Portable grass mower

Technical Field

The utility model relates to the technical field of a grass mower, in particular to a portable grass mower.

Background

A grass mower is also called a mower, a lawn trimmer and the like, and is a common mechanical tool for trimming lawns, vegetation and the like. When the grass mower is used for weeding, only the operation workers need to push the hand push handle, the walking wheels drive the rack to move, and meanwhile, the cutting knife mechanism trims the lawn, so that the operation time of the operation workers can be greatly saved, a large amount of manpower resources are reduced, and the grass mower is widely used by people.

Because the lawn mower is widely used, the lawn mower often needs to be moved from one area to another area, the structure of the conventional lawn mower is complex, a corresponding handheld device is not arranged on a casing, one person can not carry the lawn mower conveniently, and the lawn mower needs to be carried by other tools or carried by a plurality of persons in a combined manner, so that manpower and material resources are wasted. Accordingly, it is desirable to provide a portable lawnmower.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, it is an object of the present invention to provide a portable lawnmower that improves the inconvenience of carrying the conventional lawnmower.

In order to achieve the above objects and other related objects, the present invention provides a portable grass mower, comprising a frame, traveling wheels, a cutting mechanism, a push rod, a housing and a handle, wherein the bottom of the frame is provided with a cutter mounting hole, the traveling wheels are respectively arranged at two sides of the frame and used for supporting the walking of the grass mower, and the cutting structure is arranged inside the frame; the push rod is arranged at the rear end of the frame; the housing is arranged above the frame, and the handle is detachably arranged on the housing.

In an example of the utility model, the position of the cover corresponding to the handle is recessed towards the direction of the frame to form a handle mounting area.

In an example of the present invention, a handle installation groove is formed in a position corresponding to an end portion of the handle in the handle installation region, and two ends of the handle are respectively installed in the handle installation groove.

In an example of the utility model, a waterproof boss is arranged at a position corresponding to the end part of the handle in the handle mounting area, a limiting hole is arranged on the waterproof boss, and a first screw hole communicated with the casing is arranged at a position corresponding to the limiting hole.

In an example of the present invention, two ends of the handle are respectively provided with a limiting post matching with the limiting hole, and the limiting post is provided with a second screw hole opposite to the first screw hole.

In one example of the utility model, the handle is mounted to the housing by screws.

In one example of the utility model, the screw is a padded screw.

In one example of the present invention, the push rod has a use state extending obliquely rearward of the chassis and a storage state folded forward to be parallel to the chassis.

In one example of the utility model, the center of gravity of the lawnmower is located within the projection of the handle in the direction of the frame.

In one example of the utility model, the center of gravity of the lawnmower is moved in the front-to-back direction of the lawnmower by folding the push bar, and the handle is positioned such that the center of gravity of the lawnmower is located within the projection of the handle in the frame direction both before and after folding the push bar.

In one example of the utility model, the cutting mechanism comprises a cutting tool, a driving motor and a battery pack, wherein the cutting tool is arranged at the bottom of the tool mounting hole, the driving motor is arranged in the rack and connected with the cutting tool, and the battery pack is in circuit connection with the driving motor.

In an example of the utility model, a battery pack accommodating cavity is arranged on one side of the cover shell, which is far away from the handle, and a battery cover is installed on the battery pack accommodating cavity.

In an example of the utility model, the grass mower further comprises a height adjusting structure for adjusting the height of the frame, and the height adjusting structure is installed on one side of the frame.

In an example of the utility model, the height adjusting structure comprises a first wheel frame, a second wheel frame, a height adjusting handle, a height adjusting connecting rod and a limiting structure, wherein two ends of the first wheel frame are respectively connected with the first travelling wheel in a rotating manner, and the first wheel frame is provided with a first connecting position which is eccentrically arranged with the first travelling wheel; two ends of the second wheel frame are respectively in rotating connection with the second travelling wheels, and a second connecting position which is eccentrically arranged with the second travelling wheels is arranged on the second wheel frame; the height-adjusting handle is fixedly connected with the first wheel carrier; one end of the height-adjusting connecting rod is rotatably connected to the height-adjusting handle, and the other end of the height-adjusting connecting rod is rotatably connected to the second wheel frame; the limiting structure is arranged between the height-adjusting handle and the rack; the frame is installed on first connection position and second connection position.

In conclusion, the lifting handle is arranged on the housing of the grass mower, the grass mower can be carried by holding the lifting handle by hand, and the problem that the existing grass mower is inconvenient to carry is solved. When the lifting handle is installed, the inwards-concave lifting handle installation grooves are formed in the positions, corresponding to the end parts of the lifting handle, of the housing, and the two ends of the lifting handle can be inserted into the lifting handle installation grooves, so that the connection between the lifting handle and the housing is tighter, and the structure is more attractive; in addition, still can set up waterproof boss in the handle mounting groove, at the inside spacing hole that sets up of waterproof boss, waterproof boss makes rivers flow away along the boss both sides, plays waterproof effect, and spacing post cooperation on spacing hole and the handle plays the effect of location, fixes the life-span that can improve the handle through electrified screw.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a lawn mower according to an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the lawn mower of the present invention;

FIG. 3 is a schematic structural view of the lawn mower with the battery cover removed according to an embodiment of the present invention;

FIG. 4 is a schematic view of a cover of the grass mower of the present invention;

FIG. 5 is an enlarged view of region I in FIG. 4;

FIG. 6 is a schematic view of a handle of the lawn mower according to an embodiment of the present invention;

FIG. 7 is a partial cross-sectional view of the attachment of the handle to the cover of the present invention in one embodiment of the lawnmower;

FIG. 8 is a schematic view of an elevation structure and a frame of the lawn mower of the present invention;

FIG. 9 is a schematic view of an elevation adjustment structure of the lawn mower according to an embodiment of the present invention;

FIG. 10 is a schematic view of another angle of the height adjustment structure of the lawnmower of the present invention;

FIG. 11 is a schematic view of the height adjustment handle of the lawn mower in one embodiment of the height adjustment structure of the present invention;

FIG. 12 is a schematic view of the turntable of the height-adjusting structure of the lawn mower according to an embodiment of the present invention.

Description of the element reference numerals

100. A frame; 200. a first running wheel; 300. a second road wheel; 400. a push rod; 401. a first push rod; 402. a second push rod; 403. a locking structure; 500. a height-adjusting structure; 501. a first wheel carrier; 502. a second wheel carrier; 503. heightening the handle; 504. a height-adjusting connecting rod; 505. a boss; 506. a limiting groove; 5011. a first axle; 5012. a first mounting shaft; 5013. a first connecting rod; 5014. a first connection site; 5021. a second wheel axle; 5022. a second mounting shaft; 5023. a second connecting rod; 5024. a second connection bit; 5031. a first groove; 5032. a first through hole; 5033. mounting a screw hole; 507. a turntable; 5071. a second groove; 5072. a second through hole; 508. a screw connecting plate; 509. a first wheel carrier shield; 510. a second wheel carrier guard; 101. a shaft groove; 102. a cutter mounting hole; 600. a housing; 700. a handle; 800. a battery pack receiving cavity; 801. a battery cover; 900. a padded screw; 601. a handle mounting area; 602. a handle mounting groove; 603. a waterproof boss; 6031. a limiting hole; 604. a first screw hole; 701. a limiting column; 702. and a second screw hole.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a portable lawnmower that improves the inconvenience of carrying the conventional lawnmower.

Referring to fig. 1, the present invention provides a portable lawnmower, which includes a frame 100, a plurality of road wheels respectively disposed on two sides of the frame 100, a cutting mechanism (not shown) installed in the frame 100, a cover 600 installed on the frame 100, a push rod 400 installed at the rear end of the frame 100, and a handle 700 installed on the cover 600, wherein the traveling wheels roll to realize rapid transfer of the lawnmower.

Referring to fig. 1 and 2, in one example, the lawnmower includes two first road wheels 200 and two second road wheels 300, wherein the two first road wheels 200 are oppositely disposed at the front end of the frame 100, and the two second road wheels 300 are oppositely disposed at the rear end of the frame 100. A cutter mounting hole 102 is formed in the bottom of the frame 100, the cutter mounting hole 102 can be of a vortex structure, for example, the cutting mechanism comprises a cutting cutter, a driving motor and a battery pack, the cutting cutter is mounted at the bottom of the cutter mounting hole 102, the driving motor is mounted inside the frame 100 and located above the cutter mounting hole 102, and an output shaft of the driving motor is connected with the cutting cutter; the battery pack is connected with the driving motor circuit to provide power for the driving motor, and the driving motor is started to drive the cutting tool to rotate so as to finish mowing.

Referring to fig. 1 and 3 to 7, the casing 600 covers the housing 100 to shield the driving motor and prevent the motor from being damaged. One side of the housing is provided with a battery pack accommodating cavity 800, a battery cover 801 is arranged on the battery pack accommodating cavity 800, and the battery pack is installed in the battery pack accommodating cavity 800 and is shielded by the battery cover 801. The side of the cover 600 facing away from the battery receiving cavity 800 is recessed toward the housing 100 to form a handle mounting area 601, and the handle 700 is detachably mounted on the handle mounting area 601. In an embodiment, a handle mounting groove 602 is disposed in a position corresponding to an end portion of the handle in the handle mounting area 601, a waterproof boss 603 is disposed in each handle mounting groove 602, a limit hole 6031 is disposed in the waterproof boss 603, a first screw hole 604 communicated with the casing 600 is disposed in a position corresponding to the limit hole 6031, the waterproof boss 603 enables water to flow away along two sides of the boss, and the water is effectively prevented from entering the interior of the lawnmower from the limit hole 6031 and the first screw hole 604. Correspondingly, the end of the handle 700 is provided with a limiting column 701 matched with the limiting hole 6031, and the limiting column 701 is provided with a second screw hole 702 opposite to the first screw hole 604. When the handle 700 is installed, the limiting column 701 at the end of the handle 700 is inserted into the limiting hole 6031 to realize positioning, and the screw penetrates through the first screw hole 604 and the second screw hole 702 to realize fastening. Preferably, the screw is a padded screw 900, and the use of the padded screw 900 increases the useful life of the handle.

Referring to fig. 1, the push rod 400 of the grass mower has an extending state inclined to the rear of the frame 100 and a storing state folded forward to be parallel to the frame 100, when the grass mower is used for mowing, the push rod 400 is stretched backward to be in the extending state, a worker can push the grass mower to walk through the push rod 400, and when the grass mower is not used, the push rod 400 is folded onto the housing 600 of the grass mower, so that the grass mower is convenient to store. For example, the push rod 400 comprises a first push rod 401 and a second push rod 402, the first push rod 401 is connected with the frame 100 through a locking structure 403, and the structure of the locking structure 403 is not limited as long as the push rod 400 can be folded forwards around the connection with the frame 100 to be parallel to the frame 100 and extended backwards to realize the pushing of the grass mower; the second push rod 402 is fixed at the upper end of the first push rod 401 through the matching of bolts and nuts, when the push rod 400 is in a storage state, the nuts are unscrewed, and the second push rod 402 can be folded above the first push rod 401 in a direction departing from the rack; when the push rod 400 is in use, the nut is tightened to secure the second push rod 400 to the first push rod 401. The push rod 400 is designed into a sectional structure, so that the height of the push rod 400 can be adjusted, and the push rod is suitable for different people.

Because the center of gravity of the lawnmower can move forward and backward before and after the push rod 400 is folded, the handle 700 is mounted to ensure that the center of gravity of the lawnmower is always within the projection of the handle 700 in the direction of the frame 100 before and after the push rod 400 is folded. Thus facilitating the carrying of the mower.

Referring to fig. 1, fig. 2, fig. 8 and fig. 9, in an embodiment, the lawn mower further includes an elevation structure 500, the elevation structure 500 includes a first wheel frame 501, a second wheel frame 502, an elevation handle 503, an elevation connecting rod 504 and a limiting structure for limiting rotation of the elevation handle, wherein two ends of the first wheel frame 501 are respectively rotatably connected with the first traveling wheels 200 at two sides of the frame, the first wheel frame 501 is provided with a first connecting position 5014 eccentrically arranged with the first traveling wheels 200 for mounting the frame 100, two ends of the second wheel frame 502 are respectively rotatably connected with the second traveling wheels 300 at two sides of the frame, the second wheel frame 502 is provided with a second connecting position 5024 eccentrically arranged with the second traveling wheels 300 for mounting the frame 100, and the frame 100 is mounted on the first connecting position 5014 and the second connecting position 5024; the height-adjusting handle 503 is arranged at one side of the frame 100 and is fixedly connected with the first wheel frame 501; one end of the height-adjusting connecting rod 504 is rotatably connected to the height-adjusting handle 503 to form an eccentric structure with the rotation center of the first traveling wheel 200; the other end of the height-adjusting connecting rod 504 is rotatably connected to the second wheel frame 502, and forms an eccentric structure with the rotating center of the second traveling wheel 300; the limiting structure is disposed between the height-adjusting handle 503 and the frame 100 for adjusting the height-adjusting gear and limiting the rotation of the height-adjusting handle 503.

Referring to fig. 2, 9 and 10, the first wheel frame 501 includes first axles 5011 at two ends, a first mounting shaft 5012 at the center, and a first connecting rod 5013 connecting the first axles 5011 and the first mounting shaft 5012; the first wheel shafts 5011 at two ends are respectively rotatably connected with the first traveling wheels 200 at two sides of the rack, the first mounting shaft 5012 is provided with a first connection position 5014 of the rack 100, one end of the first connection rod 5013 is connected with the first wheel shaft 5011, and the other end is connected with the first mounting shaft 5012. The second wheel frame 502 is similar to the first wheel frame 501 in structure, and includes a second wheel axle 5021 located at two ends, a second installation shaft 5022 located at the center, and a second connection rod 5023 connecting the second wheel axle 5021 with the second installation shaft 5022, wherein the second wheel axle 5021 at two ends is respectively rotatably connected with the second traveling wheels 300 on two sides of the rack, a second connection position 5024 of the rack 100 is arranged on the second installation shaft 5022, one end of the second connection rod 5023 is connected with the second wheel axle 5021, and the other end is connected with the second installation shaft 5012. Preferably, the first wheel 5011, the first mounting shaft 5012, and the first connecting rod 5013 are integrated, the second wheel 5021, the second mounting shaft 5022, and the second connecting rod 5023 are integrated, the first wheel 5011, the first mounting shaft 5012, the second wheel 5021, and the second mounting shaft 5022 are parallel to each other, the first connecting rod 5013 and the second connecting rod 5023 are parallel to each other, the first wheel frame 501 is a Z-shaped structure, and the second wheel frame 502 is a Z-shaped structure.

Referring to fig. 2 and 8, the positions of the rack 100 corresponding to the first connection position 5014 and the second connection position 5024 are respectively installed with a screw connection plate 508, each screw connection plate 508 is perpendicular to its corresponding installation shaft, two ends of the screw connection plate 508 are respectively fixed on the rack 100 by screws, and the first installation shaft 5012 and the second installation shaft 5022 pass through a gap between the screw connection plate 508 and the rack 100. The frame 100 is further provided with shaft slots 101 through which mounting shafts pass, corresponding to both sides of the first and second wheel frames 200 and 300. This design neither hinders the rotation of installation axle but also enables frame 100 to prop it up along with the rotation of installation axle, and then realizes the regulation of lawnmower height.

Referring to fig. 8 to 11, the limiting structure includes a boss 505 and a plurality of limiting grooves 506, the boss 505 is disposed on a side of the height-adjusting handle 503 facing the rack 100, and the plurality of limiting grooves 506 are disposed on a side of the rack 100 facing the height-adjusting handle 503. Preferably, the boss 505 is disposed at the middle of the height-adjusting handle 503, and the plurality of limiting grooves 506 are sequentially disposed on the frame 100 along the rotation arc of the height-adjusting handle 503. The bottom of the height-adjusting handle 503 is provided with a first groove 5031 for accommodating the first connecting rod 5013, and a first through hole 5032 for the first axle 5011 to pass through is formed at a position of the first groove 5031 corresponding to the first axle 5011. When the device is installed, two ends of the first wheel frame 501 respectively penetrate through the shaft grooves 101 on two sides, the first connecting rod 5013 at one end facing the height-adjusting handle 503 is installed in the first groove 5031, the first wheel shaft 5011 penetrates through the first through hole 5032 to be rotatably connected with the first traveling wheel 200, one end of the first wheel shaft 5011 deviating from the height-adjusting handle 503 penetrates through the first wheel frame cover 509 to be rotatably connected with the first traveling wheel 200 on the other side, and similarly, the first groove for accommodating the first connecting rod 5013 and the first through hole for the first wheel shaft 5011 to penetrate are formed in the first wheel frame cover 509. The limiting groove 506 is directly arranged on the rack 100, so that the rotation of the heightening handle 503 can be limited, the heightening plate can be used as the heightening limiting plate, the structure is simpler, the limiting groove 506 can be directly processed through injection molding, and the size is controlled more accurately.

Referring to fig. 8 to 12, one end of the height-adjusting link 504 is rotatably connected to the height-adjusting handle 503, the other end is rotatably connected to the second wheel frame 502, one end of the height-adjusting link 504 connected to the height-adjusting handle 503 is hinged by a screw, for example, a mounting screw hole 5033 is provided at a position corresponding to the boss 505 on a side of the height-adjusting handle 503 away from the rack 100, and the height-adjusting link 504 is hinged to the height-adjusting handle 503 by the cooperation of the screw and the mounting screw hole 5033. The other end of the height-adjusting link 504 is rotatably connected to the second wheel frame 502 via a rotating disc 507, preferably, the rotating disc 507 is a triangular rotating disc, one corner of the triangular rotating disc is rotatably connected to the height-adjusting link 504, a second groove 5071 for accommodating the second connecting rod 5023 is disposed at the bottom of the triangular rotating disc opposite to the connecting angle of the height-adjusting link 504, and a second through hole 5072 for the second wheel axle 5021 to pass through is disposed at a position of the second groove 5071 corresponding to the second wheel axle 5021. Two ends of the second wheel frame 502 respectively penetrate through the shaft grooves 101 on two sides of the frame, a second connecting rod 5023 at one end of the second wheel frame facing the height-adjusting connecting rod 504 is mounted in the second groove 5071, a second wheel shaft 5022 penetrates through a second through hole 5072 to be rotatably connected with the second traveling wheel 300, one end of the second wheel frame departing from the height-adjusting connecting rod 504 is rotatably connected with the second traveling wheel 300 on the other side through the second wheel frame shield 510, and similarly, the second wheel frame shield 510 is provided with a second groove for accommodating the second connecting rod 5023 and a second through hole for the second wheel shaft 5021 to penetrate through. Preferably, the height-adjustable linkage 504 extends through the frame 100, which prevents the mower from becoming too bulky due to the height-adjustable structure, and thus the appearance of the mower is more attractive.

Referring to fig. 8 and 9, when the height of the lawn mower is adjusted, the height adjustment handle 503 is pulled out from the limiting groove 506, and the height adjustment handle 503 is rotated, because the height adjustment handle 503 is fixedly connected with the first wheel frame 501, the height adjustment connecting rod 504 is rotatably connected with the height adjustment handle 503, and the other end of the height adjustment connecting rod 504 is rotatably connected with the second wheel frame 502 through the rotating disc 507, the height adjustment handle 503 will drive the first wheel frame 501 to rotate around the center of the first traveling wheel 200, and because the first connection position 5014 of the installation frame 100 on the first wheel frame 501 and the first traveling wheel 200 are eccentrically arranged, the height of the first connection position 5014 relative to the ground is changed; meanwhile, the height-adjusting handle 503 drives the height-adjusting connecting rod 504 to rotate, the height-adjusting connecting rod 504 drives the turntable 507 to rotate around the connecting point of the two, the turntable 507 is fixedly connected with the second wheel frame 502, the second wheel frame 502 rotates around the center of the second traveling wheel 300, and the second connecting position 5024 of the mounting frame 100 of the second wheel frame 502 is eccentrically arranged with the second traveling wheel 300, so that the height of the second connecting position 5024 relative to the ground is changed. Since the frame 100 of the lawnmower is fixedly connected to the first connection position 5014 and the second connection position 5024, the height of the frame 100 from the ground also varies with the height of the first connection position 5014 and the second connection position 5024 from the ground. After the height of the rack 100 is adjusted to a desired height by the height-adjusting handle 503, the height-adjusting handle 503 is pushed into the corresponding limiting groove 506, so as to ensure that the height-adjusting handle 503 cannot be separated from the limiting groove 506 after the position of the rack 100 is fixed.

It should be noted that the parts of the grass mower not described in detail are the structures commonly used in the existing grass mowers, and are not described again here.

In summary, the utility model provides a portable grass mower, wherein a handle is arranged on a housing of the grass mower, and the carrying of the grass mower can be realized by holding the handle by hand, so that the problem of inconvenient carrying of the conventional grass mower is solved. When the lifting handle is installed, the inwards-concave lifting handle installation grooves are formed in the positions, corresponding to the end parts of the lifting handle, of the housing, and the two ends of the lifting handle can be inserted into the lifting handle installation grooves, so that the connection between the lifting handle and the housing is tighter, and the structure is more attractive; in addition, still can set up waterproof boss in the handle mounting groove, at the inside spacing hole that sets up of waterproof boss, waterproof boss makes rivers flow away along the boss both sides, plays waterproof effect, and spacing post cooperation on spacing hole and the handle plays the effect of location, fixes the life-span that can improve the handle through electrified screw when installing the handle in addition. Therefore, the utility model effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A portable lawnmower, comprising:

the bottom of the rack is provided with a cutter mounting hole;

the travelling wheel is used for supporting the grass mower to travel;

the cutting mechanism is arranged in the rack;

the push rod is arranged at the rear end of the rack;

the cover is arranged above the rack; and

a handle detachably mounted on the housing.

2. The portable lawnmower of claim 1, wherein the housing is recessed in a direction toward the frame corresponding to the handle to form a handle mounting area.

3. The portable lawnmower according to claim 2, wherein a handle mounting groove is provided in the handle mounting region at a position corresponding to the end portion of the handle, and both ends of the handle are respectively mounted in the handle mounting grooves.

4. The portable grass mower according to claim 2 or 3, wherein a waterproof boss is provided at a position of the handle mounting area corresponding to the end of the handle, a limiting hole is provided on the waterproof boss, and a first screw hole communicated with the housing is provided at a position of the housing corresponding to the limiting hole.

5. The portable lawnmower of claim 4, wherein the handle is provided at each end thereof with a respective stop post engaging the stop hole, the stop posts being provided with a second screw hole opposite the first screw hole.

6. The portable lawnmower of claim 1, wherein the handle is mounted to the housing by screws.

7. The portable lawnmower of claim 6, wherein the screw is a padded screw.

8. The portable lawnmower of claim 1, wherein the pusher bar has an extended position inclined to the rear of the frame and a stowed position folded forward to be parallel to the frame.

9. The portable lawnmower of claim 1, wherein the center of gravity of the lawnmower is located within a projection of the handle in the direction of the frame.

10. The portable lawnmower of claim 8, wherein the center of gravity of the lawnmower is shifted in the front-to-back direction of the lawnmower before and after folding of the push bar, and the handle is positioned such that the center of gravity of the lawnmower is located within a projection of the handle in the frame direction both before and after folding of the push bar.

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