CN218851330U

CN218851330U - Hand-push type lawnmower

Info

Publication number: CN218851330U
Application number: CN202223124289.7U
Authority: CN
Inventors: 叶桂兴; 蔡劲新; 刘志光
Original assignee: Li Jian Prec Mould Manufacture Co ltd
Current assignee: Li Jian Prec Mould Manufacture Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-14
Anticipated expiration: 2032-11-23

Abstract

The utility model particularly relates to a hand-push type grass mower, which comprises a frame, a hand push rod, a walking mechanism, a grass cutting mechanism and a driving device, wherein the walking mechanism comprises a rotating shaft and a walking roller, the rotating shaft is arranged on the frame in a penetrating way, and the walking roller is sleeved on the rotating shaft; cut grass mechanism and include support, swing arm subassembly, hobbing cutter, bed knife and compression roller, the one end and the frame of swing arm subassembly are connected, the other end and the leg joint of swing arm subassembly, the compression roller sets up in the one end that the support is close to running gear, just hobbing cutter and compression roller all are connected with the support rotation, hobbing cutter and bed knife set up in the below of support, the bed knife is cut with the tangent cooperation of hobbing cutter. The lawn mower travels on the lawn through the cooperation of the hand push rod, the traveling mechanism and the driving device, and drives the grass cutting mechanism to move through the driving device, namely, the hob is rotated to cut the lawn.

Description

Hand-push type lawnmower

Technical Field

The utility model relates to a lawnmower technical field, concretely relates to hand propelled lawnmower.

Background

At present, the structure of the grass mower in the market mainly comprises a cutter head, an engine, a travelling mechanism, blades, handrails and a control part, wherein the travelling mechanism enables the grass mower to normally travel, and the lawn is trimmed through reciprocating or rotating motion of the cutter head and the blades. The existing hand-push type lawnmower has relatively complex structure, high production cost and insufficient simplicity and convenience in use; in addition, in the grass cutting process, the position of the cutter head is fixed and difficult to adjust, so that the requirements for cutting lawns in different terrains are difficult to meet.

Disclosure of Invention

In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a hand-push type grass mower, which has the advantages of ingenious structural design, simple and convenient use and operation, high grass cutting efficiency and lower manufacturing cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hand-push type grass mower comprises a rack, a hand push rod, a walking mechanism, a grass cutting mechanism and a driving device, wherein the hand push rod is arranged at one end of the rack, the walking mechanism is arranged below the rack, the grass cutting mechanism is movably arranged at one end, far away from the hand push rod, of the rack, and the driving device is used for driving the walking mechanism and the grass cutting mechanism to move;

the travelling mechanism comprises a rotating shaft and a travelling roller, the rotating shaft penetrates through the rack and is rotationally connected with the rack, and the travelling roller is sleeved on the rotating shaft;

cut grass mechanism and include support, swing arm subassembly, hobbing cutter, bed knife and compression roller, the one end and the frame of swing arm subassembly are connected, the other end and the leg joint of swing arm subassembly, hobbing cutter and bed knife all set up in the below of support, the compression roller sets up in the one end that the support is close to running gear, just hobbing cutter and compression roller all rotate with the support and are connected, the bed knife is located the below of hobbing cutter and cuts grass with the tangent cooperation of hobbing cutter.

Furthermore, swing arm subassembly includes rotation axis and a plurality of swing arm, and the one end swing joint of handspike is all kept away from with the frame to the one end of a plurality of swing arms, and the other end of a plurality of swing arms all is connected with the rotation axis, the both ends and the leg joint of rotation axis.

Further, the grass cutting mechanism comprises a guide roller, the two ends of the guide roller are rotatably connected with the support, and the guide roller is located at one end, far away from the walking mechanism, of the support.

Furthermore, the driving device comprises a first driver for driving the traveling mechanism to move, the first driver is arranged on one side of the rack, and the output end of the first driver is provided with a transmission mechanism which is in transmission connection with the rotating shaft.

Furthermore, drive mechanism includes action wheel, drive belt and follows the driving wheel, the action wheel is connected with the output of first driver, the drive belt is connected with action wheel and follow driving wheel transmission respectively, follow driving wheel and rotation axis connection.

Furthermore, the driving device comprises a second driver for driving the grass cutting mechanism to move, the second driver is arranged on one side of the support, and the output end of the second driver is connected with the hob.

Further, running gear includes two walking wheels, and two walking wheels can be dismantled and set up in the both sides of axis of rotation, just the walking wheel rotates with the axis of rotation and is connected.

Furthermore, the walking mechanism comprises a supporting foot frame, two ends of the supporting foot frame are respectively hinged with the rack, and the supporting foot frame is located at one end, close to the hand push rod, of the rack.

Furthermore, the lawnmower comprises a control module and a braking hand lever which are arranged on the hand push rod, the braking hand lever is electrically connected with the control module, and the braking hand lever controls the braking of the walking mechanism through the control module.

Furthermore, the lawnmower comprises a power supply device, the power supply device is arranged above the rack, and the power supply device is electrically connected with the control module and the driving device respectively.

The beneficial effects of the utility model reside in that: the utility model discloses a hand propelled lawnmower, lawnmower's structural design is ingenious, uses easy and simple to handle, cuts grass efficient, manufacturing cost is lower and maintain the convenience. The lawn mower walks on the lawn through the cooperation of the hand push rod, the walking mechanism and the driving device, and drives the lawn mowing mechanism to move through the driving device, namely, the rotary hob is matched with the bed knife to trim the lawn. The arrangement of the swing arm component can enable the grass cutting mechanism to swing back and forth and left and right, so that the adaptability of the hob to the terrain of the lawn is enhanced, the hob can also cut certain lawns with low flatness, and the heights of the lawns after grass cutting are uniform.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the utility model without power supply and grass collecting box.

Fig. 3 is a schematic view of another embodiment of the present invention without power supply and straw collection box.

Fig. 4 is a schematic view of the present invention without power supply and straw box.

Fig. 5 is a top view of fig. 2.

The reference signs are: 1. a frame; 2. a handspike; 3. a rotating shaft; 4. a traveling roller; 5. a support; 6. hobbing cutters; 7. a compression roller; 8. a rotating shaft; 9. swinging arms; 10. a cross beam; 11. a guide roller; 12. a first driver; 13. a driving wheel; 14. a transmission belt; 15. a driven wheel; 16. a second driver; 17. a traveling wheel; 18. a supporting foot rest; 19. a control module; 20. a brake lever; 21. a power supply device; 22. a bed knife cantilever; 23. grass collection box.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-5, which are not intended to limit the present invention.

Example 1

As shown in fig. 1-5, the present embodiment provides a hand-push type lawnmower, which includes a frame 1, a hand-push rod 2, a traveling mechanism, a lawnmower mechanism, and a driving device, where the hand-push rod 2 is disposed at one end of the frame 1, the traveling mechanism is disposed below the frame 1, the lawnmower mechanism is movably disposed at one end of the frame 1, which is far away from the hand-push rod 2, and the driving device is configured to drive the traveling mechanism and the lawnmower mechanism to move;

the travelling mechanism comprises a rotating shaft 3 and a travelling roller 4, the rotating shaft 3 penetrates through the rack 1 and is rotationally connected with the rack 1, and the travelling roller 4 is sleeved on the rotating shaft 3;

cut grass mechanism and include support 5, swing arm subassembly, hobbing cutter 6, bed knife and compression roller 7, the one end of swing arm subassembly is connected with frame 1, the other end and the support 5 of swing arm subassembly are connected, hobbing cutter 6 and bed knife all set up in the below of support 5, compression roller 7 sets up in the one end that is close to running gear of support 5, just hobbing cutter 6 and compression roller 7 all rotate with support 5 and are connected, the bed knife is located the below of hobbing cutter 6 and cuts grass with the tangent cooperation of hobbing cutter 6.

In the embodiment, the lawnmower walks on the lawn through the cooperation of the hand push rod 2, the walking mechanism and the driving device, and drives the grass cutting mechanism to move through the driving device, namely, the rotary hob 6 cooperates with the bed knife to trim the lawn. Wherein, the driving device drives the rotating shaft 3 to rotate, and then drives the walking roller 4 sleeved on the rotating shaft 3 to walk on the lawn. The grass cutting mechanism is arranged at the front end of the travelling mechanism and is used for cutting the lawn in the travelling direction of the travelling mechanism during operation. In the grass cutting mechanism, a frame 1 is connected with a bracket 5 of the grass cutting mechanism through a swing arm component, and the arrangement of the swing arm component can enable the grass cutting mechanism to swing back and forth and left and right, namely the adaptability of a hob 6 and a bed knife to the terrain of a lawn is enhanced, so that the grass cutting mechanism can also trim certain lawns with lower flatness and the heights of the lawns after grass cutting are uniform; the compression roller 7 has the function of rolling and trimming the trimmed lawn, so that the uniformity of the lawn is improved. The hand-push type grass cutting mechanism has the advantages of low cost, simple and convenient operation when in use and high grass cutting efficiency.

Specifically, the one end that support 5 is close to running gear can be dismantled and be provided with bed knife cantilever 22, the lower extreme and the bed knife of bed knife cantilever 22 are connected, the bed knife is tangent to cooperate with 6 hobs and is realized cutting grass. In this embodiment, the hob 6 and the bed knife are both the hob 6 and the bed knife in the prior art, and are used here as applications. The efficient grass cutting of the grass cutting mechanism is realized through the matching of the hob 6 and the bottom knife.

Further, swing arm subassembly includes rotation axis 8 and a plurality of swing arm 9, and the one end swing joint of handspike 2 is all kept away from with frame 1 to the one end of a plurality of swing arms 9, and the other end of a plurality of swing arms 9 all is connected with rotation axis 8, the both ends and the support 5 of rotation axis 8 are connected.

In this embodiment, frame 1 is close to the fixed crossbeam 10 that is provided with of one end of grass cutting mechanism, rotation axis 8 is located crossbeam 10 under, the quantity of swing arm 9 is four, and the upper end of four swing arms 9 all rotates with crossbeam 10 to be connected, and the lower extreme of four swing arms 9 all rotates with rotation axis 8 to be connected, and two swing arms 9 are a set of front end and the rear end that is located crossbeam 10 respectively, and are located and form trapezoidally between two swing arms 9 and crossbeam 10 and the rotation axis 8 of homonymy, make hobbing cutter 6 can the horizontal hunting through the cooperation between a plurality of swing arms 9, crossbeam 10 and the rotation axis 8. Furthermore, both ends of rotation axis 8 all are connected with support 5 through the connecting pin, and rotation axis 8 can rotate relative to support 5 promptly, makes hobbing cutter 6 and bed knife can the swing back and forth through the setting of connecting pin, rotation axis 8 and support 5. Through the structure, the grass cutting mechanism is ingenious in structural design and high in flexibility, the hobbing cutter 6 and the bed knife can swing in the front-back left-right direction in the grass cutting operation process, the adaptability of the hobbing cutter 6 and the bed knife to the lawn terrain is obviously improved, and the flatness of lawn trimming is greatly improved.

Further, the grass cutting mechanism comprises a guide roller 11, the two ends of the guide roller 11 are rotatably connected with the support 5, and the guide roller 11 is located at one end, far away from the running mechanism, of the support 5. Specifically, the guide roller 11 is located at the front end of the hob 6, and the guide roller 11 is used for combing the lawn, which is beneficial to improving the grass cutting efficiency and effect of the hob 6. Furthermore, the peripheral side wall of the guide roller 11 is provided with spiral grains, and the arrangement of the spiral grains improves the lawn combing quality and efficiency.

Furthermore, the driving device comprises a first driver 12 for driving the traveling mechanism to move, the first driver 12 is arranged on one side of the rack 1, and a transmission mechanism is arranged at the output end of the first driver 12 and is in transmission connection with the rotating shaft 3.

Further, the transmission mechanism comprises a driving wheel 13, a transmission belt 14 and a driven wheel 15, the driving wheel 13 is connected with the output end of the first driver 12, the transmission belt 14 is in transmission connection with the driving wheel 13 and the driven wheel 15 respectively, and the driven wheel 15 is connected with the rotating shaft 3. In particular, the transmission mechanism is located on the right side of the frame 1.

Further, the driving device comprises a second driver 16 for driving the grass cutting mechanism to move, the second driver 16 is arranged on one side of the bracket 5, and the output end of the second driver 16 is connected with the hob 6.

In the present embodiment, the first driver 12 and the second driver 16 are both driving motors. The driving wheel 13 is driven to rotate by the first driver 12, the driving belt 14, the driven wheel 15 and the rotating shaft 3 also rotate along with the driving wheel, and the walking roller 4 is driven to rotate, so that the walking mechanism walks on the lawn along the force application direction of the handspike 2. The hob 6 is driven to reciprocate under the action of the second driver 16, namely, the lawn is trimmed when the hob 6 rotates forwards and the hob 6 is cleaned when the hob 6 rotates backwards.

Furthermore, the peripheral side wall of the walking roller 4 is provided with a plurality of anti-skid grains. Specifically, the anti-skidding lines are arc-shaped, and friction force between the walking roller 4 and the lawn can be enhanced through the arrangement of the arc-shaped anti-skidding lines, so that the walking roller 4 is not easy to skid when walking on the lawn.

Further, running gear includes two walking wheels 17, and two walking wheels 17 can be dismantled and set up in the both sides of axis of rotation 3, just walking wheel 17 rotates with axis of rotation 3 to be connected.

In this embodiment, the walking wheels 17 are rubber wheels in the prior art, the walking wheels 17 are connected with the rotating shaft 3 through fasteners, and the diameter of the walking rollers 4 is smaller than that of the walking wheels 17. When the lawnmower needs to walk on the road surface, the two walking wheels 17 are respectively arranged at the left side and the right side of the rotating shaft 3, so that the walking rollers 4 are lifted off the ground, the walking mechanism walks on the road surface under the pushing of the hand push rod 2, and the surfaces of the walking rollers 4 are prevented from being scraped and rubbed. In particular, the fastener is a nut.

Further, the walking mechanism comprises a supporting foot frame 18, two ends of the supporting foot frame 18 are respectively hinged with the machine frame 1, and the supporting foot frame 18 is located at one end of the machine frame 1 close to the hand push rod 2.

In the present embodiment, the supporting foot rest 18 is parallel to the direction of the hand push rod 2 in a natural state, i.e., extends along the obliquely upward direction of the frame 1. Through the structure, the supporting foot frame 18 can rotate relative to the support 5 under the action of force, so that the supporting foot frame 18 is positioned at the bottom of the frame 1 and is abutted against the ground, the grass mower is lifted to be away from the ground, and the walking mechanism and the grass mowing mechanism are convenient to disassemble, assemble and overhaul.

Further, the lawnmower comprises a control module 19 and a braking handle bar 20 which are arranged on the hand push rod 2, the braking handle bar 20 is electrically connected with the control module 19, and the braking handle bar 20 controls the braking of the walking mechanism through the control module 19.

Further, the lawnmower comprises a power supply device 21, the power supply device 21 is arranged above the frame 1, and the power supply device 21 is electrically connected with the control module 19 and the driving device respectively.

In the present embodiment, the braking handle bar 20 is disposed on the handle bar 2, and the braking handle bar 20 is electrically connected to the control module 19. During the grass cutting operation, the control module 19 controls the power supply of the driving device to be disconnected by pulling the braking hand lever 20, and then the braking of the travelling mechanism is completed. Specifically, the control module 19 includes functions of lighting control, switching of the driving device, and controlling the rotation speed and the rotation direction, and is the same as the scheme and the principle in the prior art, and is not described herein again as an application.

Furthermore, lawnmower still includes grass collection box 23, grass collection box 23 passes through the fastener with support 5 and can dismantle and be connected, grass collection box 23 is provided with the material receiving mouth, the material receiving mouth is seted up in the below of hobbing cutter 6. Can directly pack into grass collection box 23 through the setting of grass collection box 23 after the pruning in, convenient clearance.

The above-mentioned embodiment does the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, do not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of thinking.

Claims

1. The utility model provides a hand propelled lawnmower which characterized in that: the lawn mower comprises a rack (1), a hand push rod (2), a walking mechanism, a lawn mowing mechanism and a driving device, wherein the hand push rod (2) is arranged at one end of the rack (1), the walking mechanism is arranged below the rack (1), the lawn mowing mechanism is movably arranged at one end, far away from the hand push rod (2), of the rack (1), and the driving device is used for driving the walking mechanism and the lawn mowing mechanism to move;

the walking mechanism comprises a rotating shaft (3) and a walking roller (4), the rotating shaft (3) penetrates through the rack (1) and is rotatably connected with the rack (1), and the walking roller (4) is sleeved on the rotating shaft (3);

cut grass mechanism and include support (5), swing arm subassembly, hobbing cutter (6), bed knife and compression roller (7), the one end of swing arm subassembly is connected with frame (1), the other end of swing arm subassembly is connected with support (5), hobbing cutter (6) and bed knife all set up in the below of support (5), compression roller (7) set up in support (5) one end near running gear, just hobbing cutter (6) and compression roller (7) all rotate with support (5) and are connected, the bed knife is located the below of hobbing cutter (6) and cuts grass with the tangent cooperation of hobbing cutter (6).

2. A hand propelled lawnmower according to claim 1, wherein: the swing arm assembly comprises a rotating shaft (8) and a plurality of swing arms (9), one ends of the swing arms (9) are movably connected with one end of the frame (1) far away from the hand push rod (2), the other ends of the swing arms (9) are connected with the rotating shaft (8), and two ends of the rotating shaft (8) are connected with the support (5).

3. The hand-propelled lawnmower according to claim 1, wherein: the grass cutting mechanism comprises guide rollers (11), the two ends of each guide roller (11) are rotatably connected with the corresponding support (5), and the guide rollers (11) are located at one ends, far away from the traveling mechanism, of the corresponding supports (5).

4. A hand propelled lawnmower according to claim 1, wherein: the driving device comprises a first driver (12) used for driving the traveling mechanism to move, the first driver (12) is arranged on one side of the rack (1), the output end of the first driver (12) is provided with a transmission mechanism, and the transmission mechanism is in transmission connection with the rotating shaft (3).

5. A hand propelled lawnmower according to claim 4, wherein: the transmission mechanism comprises a driving wheel (13), a transmission belt (14) and a driven wheel (15), the driving wheel (13) is connected with the output end of the first driver (12), the transmission belt (14) is in transmission connection with the driving wheel (13) and the driven wheel (15) respectively, and the driven wheel (15) is connected with the rotating shaft (3).

6. The hand-propelled lawnmower according to claim 1, wherein: the driving device comprises a second driver (16) for driving the grass cutting mechanism to move, the second driver (16) is arranged on one side of the support (5), and the output end of the second driver (16) is connected with the hob (6).

7. A hand propelled lawnmower according to claim 1, wherein: running gear includes two walking wheels (17), and two walking wheels (17) can be dismantled and set up in the both sides of axis of rotation (3), just walking wheel (17) are connected with axis of rotation (3) rotation.

8. The hand-propelled lawnmower according to claim 1, wherein: the walking mechanism comprises a supporting foot frame (18), two ends of the supporting foot frame (18) are respectively hinged with the rack (1), and the supporting foot frame (18) is located at one end, close to the hand push rod (2), of the rack (1).

9. A hand propelled lawnmower according to claim 1, wherein: the grass mower comprises a control module (19) and a braking hand lever (20) which are arranged on the hand push rod (2), the braking hand lever (20) is electrically connected with the control module (19), and the braking hand lever (20) controls the braking of the walking mechanism through the control module (19).

10. A hand propelled lawnmower according to claim 9, wherein: the grass mower comprises a power supply device (21), wherein the power supply device (21) is arranged above the rack (1), and the power supply device (21) is electrically connected with the control module (19) and the driving device respectively.