CN109362328B

CN109362328B - Use laborsaving lawn mower

Info

Publication number: CN109362328B
Application number: CN201811244736.8A
Authority: CN
Inventors: 邹斌; 张闯; 张进
Original assignee: Zhejiang YAT Electrical Appliance Co Ltd
Current assignee: Zhejiang YAT Electrical Appliance Co Ltd
Priority date: 2018-10-24
Filing date: 2018-10-24
Publication date: 2024-04-16
Anticipated expiration: 2038-10-24
Also published as: CN109362328A

Abstract

The invention provides a labor-saving mower which comprises a machine body, a walking device, a mowing device and a handle device, wherein the walking device, the mowing device and the handle device are arranged on the machine body, the mowing device comprises a motor and a blade, the handle device comprises a connecting rod and a handle, the connecting rod is rotationally connected with the machine body, the handle comprises a connecting rod used for being connected with the connecting rod and a D-shaped handle used for holding, the D-shaped handle is convenient for an operator to hold and is convenient for the operator to operate the mower, a switch button and a trigger which are electrically connected with the motor are arranged on the D-shaped handle, the switch button and the trigger are integrated on the D-shaped handle, so that the operation is more convenient and labor-saving, one end of the D-shaped handle far away from the connecting rod is obliquely arranged towards the rear side, the force decomposition principle can be known, the included angle between the handle and the ground can be reduced under the condition of a certain height, the pushing resistance of the mower is reduced, the steering operation of the mower is convenient, and the mower is easier to push and labor-saving.

Description

Use laborsaving lawn mower

Technical Field

The invention relates to the technical field of mowers, in particular to a labor-saving mower.

Background

The mower is a mechanical tool for trimming lawns, vegetation and the like, plays an important role in agricultural production, greatly improves agricultural production efficiency, and in the operation process, the mower is pushed to move forwards by a handle device for pushing the mower to realize mowing.

Disclosure of Invention

The invention aims to provide a mower which is labor-saving to use.

In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a use laborsaving lawn mower, includes the organism and locates running gear, grass cutting device and handle device on the organism, grass cutting device includes motor and blade, and handle device includes connecting rod and handle, and the connecting rod rotates with the organism to be connected, and the handle is including the connecting rod that is used for being connected with the connecting rod and the D shape handle that is used for holding, is equipped with shift knob and the trigger that are connected with the motor electricity on the D shape handle, and the one end that the connecting rod was kept away from to the D shape handle inclines to the rear side and sets up.

Further, the angle of inclination of the end of the D-shaped handle far away from the connecting rod to the rear side is A, and A is more than or equal to 10 degrees and less than or equal to 45 degrees.

Further, the D-shaped handle is provided with a containing groove for containing the trigger, and the trigger can be positioned in the containing groove by rotating the trigger.

Further, the one end that the handle was kept away from to the connecting rod is equipped with the link, is equipped with the support on the organism, and the link rotates with the support to be connected, is equipped with the limit structure who is used for restricting link turned angle on the link, and limit structure is including locating the arc piece on the link, locating the drive piece on the organism and locating the spacing piece on the drive piece, is equipped with the locking groove on the arc piece, and when spacing piece and locking groove were in the cooperation state, the handle device was located the organism along vertical projection scope.

Further, the driving block is rotationally connected with the machine body, and the driving block rotates to drive the limiting piece to rotate so that the limiting piece is separated from the locking groove in a matched manner.

Further, when the connecting rod is positioned at the initial position, the included angle between the limiting piece and the locking groove is B, and the B is more than or equal to 95 degrees and less than or equal to 110 degrees.

Furthermore, a positioning groove is further formed in the arc-shaped block, and when the connecting rod is located at the initial position, the included angle between the limiting piece and the positioning groove is C, and C is more than or equal to 50 degrees and less than or equal to 65 degrees.

Further, a safety key for communicating with a power supply is further arranged on the D-shaped handle.

Further, the motor is an outer rotor motor.

Further, the connecting rod is a telescopic rod.

In the present invention, the "rear side" is a side on which an operator stands with respect to the mower in a state of use of the mower.

After the technical scheme is adopted, the invention has the following advantages:

1. the D-shaped handle is arranged, so that an operator can conveniently hold the mower, and can conveniently operate the mower, and meanwhile, the switch button and the trigger are integrated on the D-shaped handle, so that the operation is more convenient and labor-saving; through setting up the one end that the connecting rod was kept away from to the D type handle and setting up to the rear side slope, by the decomposition principle of power can be under the certain circumstances of height, reduce the contained angle between handle and the ground for the promotion resistance of lawn mower reduces, makes things convenient for the steering operation of lawn mower, and then makes the promotion of lawn mower more light, laborsaving.

2. The angle of the end, far away from the connecting rod, of the D-shaped handle, which is inclined to the rear side is in the range of 10 degrees to 45 degrees, so that the angle difference between the D-shaped handle and the ground can be controlled in a proper range, and the mower can be pushed conveniently and labor-saving. When A is smaller than 10 degrees, the force decomposition angle change is smaller, and the labor-saving effect is poorer; when A is more than 45 degrees, if the included angle between the connecting rod and the ground is smaller than 45 degrees, the position of the connecting rod is higher than that of the D-shaped handle, and the mower is inconvenient to push.

3. Through setting up the holding tank on D shape handle, rotate the trigger and can make the trigger be located the holding tank for when the operator can hold D shape handle with the trigger fixed in the holding tank make the motor keep in operating condition, need not the both hands and operate respectively, make the operation of lawn mower simpler, laborsaving.

4. Through set up the locking groove on the arc piece, when spacing piece and locking groove are in the cooperation state, handle device is located the organism along vertical projection scope for handle device is in folding state with the organism, need not under the prerequisite of demolishing handle device, furthest reduced the occupation space of lawn mower, make the deposit of lawn mower more convenient, laborsaving, simultaneously, the position of handle device locks through the cooperation of spacing piece and locking groove, and in the storage process, the connecting rod can not rotate, makes the deposit of lawn mower safer.

5. Through setting up the drive piece and rotating with the organism and being connected, rotate the drive piece and make the drive piece drive spacing piece rotate and then make spacing piece and locking groove's cooperation separate, release the locking state, only need rotate the drive piece can realize the unblock for the unblock operation of handle device is comparatively simple, laborsaving.

6. When the connecting rod is positioned at the initial position, the included angle between the limiting piece and the locking groove is in the range of 95-110 degrees, so that the connecting rod can be locked with the locking groove in a matched manner after rotating for 95-110 degrees. When B is smaller than 90 degrees, the handle device cannot be positioned in the projection range of the machine body along the vertical direction, and the effect of reducing the storage space cannot be achieved; when B is more than or equal to 90 degrees and less than 95 degrees, the D-shaped handle is arranged at one end far away from the connecting rod in a backward inclined way, so that the handle device cannot be positioned in the projection range of the machine body along the vertical direction; when B is more than 110 degrees, the length of the connecting rod is longer, so that the position of the handle is not easily within the projection range of the machine body along the vertical direction, and the effect of reducing the storage space cannot be achieved.

7. Through setting up the constant head tank on the arc piece, when the connecting rod is located initial position, contained angle between spacing piece and the constant head tank is in 50 to 65 within range for handle device can be free angle regulation in order to adapt to the user of different heights and different operation distance, makes the operation of lawn mower more comfortable. When C is less than 50 degrees, the adjustable angle is smaller, and the use requirements of most people cannot be met; when C is larger than 65 degrees, the resistance of the ground to the mower is larger when the mower turns due to larger component force in the vertical direction, the mower is more laborious to use, and accidents are easy to happen.

8. The safety key is arranged on the D-shaped handle and used for being communicated with a power supply, and before the safety key is not opened, the power supply of the mower is disconnected, so that the situation that the switch button is accidentally pressed to cause the startup of the mower is avoided; meanwhile, the safety key is arranged on the D-shaped handle, so that the operation is more convenient.

9. The motor is an outer rotor motor, the size of the outer rotor motor is small, the working efficiency is high, the space of the mower can be saved while the mowing power of the mower is met, the size of the mower is reduced, and the mower is easier to store.

10. The connecting rod is a telescopic rod, so that the storage space required by the mower in the storage position is further reduced.

Drawings

The invention is further described below with reference to the accompanying drawings:

fig. 1 is a schematic view of a mower according to the present invention.

Fig. 2 is a side view of a handle in a lawnmower according to the present invention.

Fig. 3 is a schematic view of the structure of a handle in the mower according to the present invention.

Fig. 4 is a schematic structural view of a connecting portion between a connecting frame and a machine body in the mower according to the present invention.

Fig. 5 is a schematic diagram illustrating the cooperation between an arc block and a limiting plate in the mower according to the present invention.

Fig. 6 is a side view of a connector for a mower of the present invention.

Fig. 7 is an enlarged view of D in fig. 6.

Fig. 8 is a side view of the mower of the present invention with the connecting bar in the initial position.

Fig. 9 is a side view of the mower according to the present invention when the limiting plate is in a state of being matched with the positioning groove.

Fig. 10 is a side view of the mower according to the present invention when the limiting plate and the locking groove are in a mated state.

Fig. 11 is a schematic structural view of a mowing device in a mowing machine according to the present invention.

The names of the components marked in the figure are as follows:

1. a body; 2. a walking device; 21. a front wheel; 22. a rear wheel; 3. a mowing device; 31. a blade; 32. a motor; 4. a handle device; 41. a connecting rod; 42. a handle; 421. a connecting rod; 422. a D-shaped handle; 4221. a receiving groove; 423. a switch button; 424. a trigger; 425. a security key; 43. a connecting frame; 44. a bracket; 45. an arc-shaped block; 451. a locking groove; 452. a positioning groove; 46. a limiting piece; 47. a return spring; 48. a drive button; 49. and a driving block.

Detailed Description

The invention will be further described with reference to the drawings and the specific examples. It is to be understood that the terms "upper," "lower," "left," "right," "longitudinal," "transverse," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like, as used herein, are merely based on the orientation or positional relationship shown in the drawings and are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the devices/elements referred to must have or be configured and operated in a particular orientation and therefore should not be construed as limiting the invention.

As shown in fig. 1 to 11, the invention provides a mower with labor saving, comprising a machine body 1, a travelling device 2, a mowing device 3 and a handle device 4 which are arranged on the machine body 1, wherein the mowing device 3 comprises a motor 32 and a blade 31, the motor 32 drives the blade 31 to rotate so as to mow, the handle device 4 comprises a connecting rod 41 and a handle 42, the connecting rod 41 is rotationally connected with the machine body 1, the handle 42 comprises a connecting rod 421 used for being connected with the connecting rod 41 and a D-shaped handle 422 used for holding, the D-shaped handle 422 is convenient for an operator to hold, the mower is convenient for the operator to operate, a switch button 423 and a trigger 424 are arranged on the D-shaped handle 422, the switch button 423 and the trigger 424 are electrically connected with the motor 32, and the switch button 423 and the trigger 424 are integrated on the D-shaped handle 422, so that the operation is more convenient and labor saving; the D-shaped handle 422 is inclined towards the rear side away from one end of the connecting rod 421, and the rear side refers to the side on which an operator stands relative to the mower in the use state of the mower, and the force decomposition principle can know that the included angle between the handle and the ground can be reduced under the condition of a certain height, so that the pushing resistance of the mower is reduced, the steering operation of the mower is facilitated, and the mower is easier and more labor-saving to push.

In the embodiment, the angle of inclination of the end of the D-shaped handle 422 away from the connecting rod 421 to the rear side is A, and A is more than or equal to 10 degrees and less than or equal to 45 degrees, so that the angle difference between the D-shaped handle 422 and the ground can be controlled within a proper range, and the pushing of the mower is more convenient and labor-saving. In this embodiment, 20 ° is taken by a, so that the D-shaped handle 422 is convenient to hold, and the pushing resistance of the mower can be effectively reduced, so that the mower is more labor-saving and convenient to use.

The D-shaped handle 422 is provided with a containing groove 4221 for containing the trigger 424, and the trigger 424 can be positioned in the containing groove 4221 by rotating the trigger 424, so that an operator can hold the D-shaped handle 422 and fix the trigger 424 in the containing groove 4221 at the same time so that the motor 32 is kept in a working state, and the operation of hands is not needed, so that the mower is simpler and more labor-saving to operate.

The D-shaped handle 422 is also provided with a safety key 425 for connecting voltage, and before the safety key is not opened, the power supply of the mower is disconnected, so that the switch button 423 is prevented from being accidentally pressed, and the mower is prevented from being started to cause accidents; while the safety key 425 is provided on the D-shaped handle 422, so that the operation is more convenient.

The one end that handle 42 was kept away from to connecting rod 41 is equipped with link 43, be equipped with support 44 on organism 1, link 43 and support 44 rotate and are connected, be equipped with the limit structure who is used for restricting link 43 turned angle on the link 43, limit structure is including locating the arc piece 45 on the link 43, locate drive piece 49 on the organism 1 and locate spacing piece 46 on the drive piece 49, be equipped with locking groove 451 on the arc piece 45, when spacing piece 46 is in the cooperation state with locking groove 451, handle device 4 is located organism 1 along vertical projection range, make handle device 4 and organism 1 be in the folded condition, under the prerequisite that need not to demolish handle device 4, furthest reduced the occupation space of lawn mower, make the storage of lawn mower more convenient, laborsaving, simultaneously, the position of handle device 4 is locked through the cooperation of spacing piece 46 and locking groove 451, in the storage process, connecting rod 41 can not rotate, make the deposit of lawn mower safer.

The driving block 49 is rotationally connected with the machine body 1, and the driving block 49 rotates to drive the limiting piece 46 to rotate so that the limiting piece 46 is matched with the locking groove 451 to be separated, and the locking state is released, so that unlocking can be realized only by rotating the driving block 49, and the unlocking operation of the handle device 4 is simpler and more labor-saving.

Be equipped with the reset spring 47 that is used for making drive block 49 reset on the drive block 49 for drive block 49 is automatic to be restored to initial condition under the condition of no effort, when making the locking groove 451 on the arc piece 45 rotate the top of spacing piece 46, can realize the cooperation with spacing piece 46 cooperation voluntarily, and then lock the position of handle device 4, makes the locking operation of handle device 4 more convenient, the storage of the lawn mower of being convenient for.

The driving block 49 is provided with the driving button 48, and the driving block 49 can be driven to rotate by pressing the driving button 48 and the limiting piece 46 can be driven to rotate, so that unlocking operation is simpler.

When the connecting rod 41 is positioned at the initial position, the included angle between the limiting piece 46 and the locking groove 451 is B, and the included angle is more than or equal to 95 degrees and less than or equal to 110 degrees, so that the connecting rod 41 can be matched with the locking groove 451 to be locked after rotating for 95 degrees to 110 degrees. In this embodiment, B takes 100 ° and when the handle device 4 rotates 100 ° from the initial position, the limiting piece 46 cooperates with the locking slot 451, so that the position of the handle device 4 is fixed, and the handle device 4 is ensured to be located in the projection range of the machine body 1 along the vertical direction.

The arc-shaped block 45 is also provided with a positioning groove 452, when the connecting rod 41 is positioned at the initial position, the included angle between the limiting piece 46 and the positioning groove 452 is C, and C is more than or equal to 50 degrees and less than or equal to 65 degrees, so that the handle device 4 can freely adjust the angle to adapt to users with different heights and different operating distances, and the operation of the mower is more comfortable. In this embodiment, C gets 60 for handle device 4 can be in 0 to 60 within range free rotation, with the handle adjustment to the operator and use comparatively comfortable height, satisfies the user demand that different heights used, reduces the resistance that the lawn mower produced on the ground when turning simultaneously, uses comparatively laborsaving.

The running gear 2 includes a front wheel 21 and a rear wheel 22, and the front wheel 21 is provided with two wheels and is respectively positioned at the left side and the right side of the machine body.

The motor 32 is an external rotor motor, and the external rotor motor has small volume and high working efficiency, so that the space of the mower can be saved while the mowing power of the mower is met, the volume of the mower is reduced, and the mower is easier to store.

The connecting bar 41 is a telescopic bar, further reducing the storage space required for the mower in the storage position.

The connecting rod 421 is fixedly connected with the connecting rod 41 by threads or a buckle.

In use, the angle of the connecting rod 41 is adjusted so that the D-handle 422 can be positioned in a comfortable position for an operator to use, the safety key 425 is opened to place the mower in an energized state, the switch button 423 is pressed, and the trigger 424 is held in the receiving groove 4221 so that the motor 32 is held in an operating state to cut grass.

It will be appreciated that a may also take 10 °,15 °,18 °,22 °,25 °,30 °,35 °,40 °,45 °, etc.

It will be appreciated that B may also take the form of 95 °,97 °,99 °,101 °,103 °,105 °,107 °,110 °, etc.

It will be appreciated that C may also take the form of 50 °,52 °,55 °,57 °,59 °,61 °,63 °,65 °, etc.

In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.

Claims

1. The mower is characterized in that the handle comprises a connecting rod used for being connected with the connecting rod and a D-shaped handle used for holding, a switch button and a trigger which are electrically connected with the motor are arranged on the D-shaped handle, and one end of the D-shaped handle far away from the connecting rod is obliquely arranged backwards; the D-shaped handle is provided with a containing groove for containing the trigger, and the trigger can be positioned in the containing groove by rotating the trigger; the connecting rod is provided with a connecting frame at one end far away from the handle, a bracket is arranged on the machine body, the connecting frame is rotationally connected with the bracket, a limiting structure for limiting the rotating angle of the connecting frame is arranged on the connecting frame, the limiting structure comprises an arc-shaped block arranged on the connecting frame, a driving block arranged on the machine body and a limiting piece arranged on the driving block, a locking groove is arranged on the arc-shaped block, a positioning groove is also arranged on the arc-shaped block, the connecting frame comprises a first connecting rod connected with the connecting rod and a second connecting rod connected with the bracket, the bracket comprises a first bracket and a second bracket, and the second connecting rod is provided with two and is matched with the first bracket and the second bracket respectively; the driving block is provided with a button, and the driving block can be driven to rotate by pressing the button and the limiting piece can be driven to rotate; when the limiting piece and the locking groove are in a matched state, the handle device is positioned in a vertical projection range of the machine body, so that the handle device and the machine body are in a folded state; the driving block is rotationally connected with the machine body, and the driving block rotates to drive the limiting piece to rotate so that the limiting piece is matched with the locking groove to be separated.

2. The mower of claim 1, wherein the D-shaped handle is inclined rearward at an angle a of 10 ° -a ∈45 °.

3. The mower of claim 1, wherein the angle between the limit plate and the locking groove is B, and 95 ° or more and 110 ° or less when the connecting rod is in the initial position.

4. The mower of claim 1, wherein the angle between the limiting piece and the positioning groove is C, and C is greater than or equal to 50 degrees and less than or equal to 65 degrees when the connecting rod is positioned at the initial position.

5. The mower of any one of claims 1 to 4, wherein said D-shaped handle is further provided with a safety key for communicating with a power source.

6. The mower of any one of claims 1 to 4 wherein the motor is an external rotor motor.

7. The mower of any one of claims 1 to 4 wherein said connecting bar is a telescopic bar.