CN211482000U - Lawn mower is used in gardens of adjustable cutting height - Google Patents
Lawn mower is used in gardens of adjustable cutting height Download PDFInfo
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- CN211482000U CN211482000U CN201921979470.1U CN201921979470U CN211482000U CN 211482000 U CN211482000 U CN 211482000U CN 201921979470 U CN201921979470 U CN 201921979470U CN 211482000 U CN211482000 U CN 211482000U
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- fixedly connected
- motor
- bottom plate
- cutting height
- adjustable cutting
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Abstract
The utility model discloses a lawn mower is used in gardens of adjustable cutting height aims at solving the problem that the blade of lawn mower can not be adjusted from top to bottom. The key points of the technical scheme are as follows: including roof and bottom plate, the top of roof is provided with the handrail, the equal fixedly connected with stand in four corner positions of roof, the bottom of stand is provided with the gyro wheel, motor one is installed to the bottom of bottom plate, fixedly connected with spinning blade on the output shaft of motor one, bottom plate and stand sliding connection, the bottom of roof is provided with the pulling device that is used for the pulling bottom plate to rise and is used for promoting the thrust unit that the bottom plate descends. The utility model discloses a height adjustment of bottom plate to realize the height adjustment of spinning blade, highly carry out effectual adjustment to mowing, the effect of effectual assurance was maintained when the lawn was maintained.
Description
Technical Field
The utility model relates to a lawn mower technical field, more specifically say, it relates to a lawn mower is used in gardens of adjustable cutting height.
Background
The mower is a mechanical tool for trimming lawn and vegetation, and consists of a cutter head, an engine, traveling wheels, a traveling mechanism, blades, handrails and a control part. The blade disc is arranged on the travelling wheels, the engine is arranged on the blade disc, the blade is arranged on an output shaft of the engine, the blade is greatly improved in speed by utilizing high-speed rotation of the engine, the operation time of weeders is saved, a large amount of manpower resources are reduced, the blade of the existing garden mower can not be adjusted up and down, when a lawn is trimmed, the trimming effect can not be effectively guaranteed, the integral attractiveness of the lawn is influenced, and therefore the garden mower with the adjustable mowing height is needed.
Chinese patent with publication number CN206713421U discloses a garden mower with adjustable grass cutting height, which comprises a machine body, wherein four corners of the bottom of the machine body are both movably connected with driving wheels, one side of the bottom of the machine body is fixedly connected with a pushing block, one side of the bottom of the machine body is fixedly connected with a fan positioned behind the pushing block, the bottom of the inner cavity of the machine body is fixedly connected with a motor through a base, an output shaft of the motor passes through a rotating shaft fixedly connected with a shaft coupling, and one end of the rotating shaft is fixedly connected with a bevel gear. The utility model discloses a reasonable in design, easy operation, energy-conserving high-efficient and safety ring protect, through setting up the dwang, take out the fixed pin, adjustment handle on the rotatory dwang can adjust the height that rotatory blade is apart from ground, and height to mowing can effectual adjustment, the blade of having solved garden mower can not be adjusted from top to bottom, can not effectual assurance when the lawn is maintained maintain the effect of maintaining, influences the holistic pleasing to the eye problem in lawn.
The utility model provides a new technical scheme solves lawn mower's blade and can not adjust from top to bottom, when the lawn is maintained, can not effectual assurance effect of maintaining, influences the holistic pleasing to the eye problem in lawn.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a lawn mower is used in gardens of adjustable cutting height reaches the purpose of adjustment spinning blade height through pulling device and thrust unit's setting.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a lawn mower is used in gardens of adjustable cutting height, includes roof and bottom plate, the top of roof is provided with the handrail, four equal fixedly connected with stands in corner position of roof, the bottom of stand is provided with the gyro wheel, motor one is installed to the bottom of bottom plate, fixedly connected with rotating blade on the output shaft of motor one, bottom plate and stand sliding connection, the bottom of roof is provided with the pulling device that is used for the pulling bottom plate to rise and is used for promoting the thrust unit that the bottom plate descends.
By adopting the technical scheme, the upright post is used for supporting the top plate off the ground; the arrangement of the roller facilitates the movement of the utility model; the arrangement of the handrail enables an operator to push the utility model more conveniently; the first motor drives the rotary blade to rotate and is used for cutting grass on the lawn; the bottom plate is connected with the upright column in a sliding mode, the pulling device can pull the bottom plate to move upwards, and the pushing device can push the bottom plate to move downwards. Borrow this, realize the altitude mixture control of bottom plate to realize the altitude mixture control of rotary blade, carry out effectual adjustment to the height of mowing, the effectual effect of guaranteeing to repair when the lawn is repaired.
The utility model discloses further set up to: the pulling device comprises a second motor, a rotating shaft and an adjusting rope, the second motor is fixed to the bottom of the top plate, the rotating shaft is fixedly connected with an output shaft of the second motor, the outer surface of the rotating shaft is fixedly connected with a fixed block, one end of the adjusting rope is fixedly connected to the fixed block, the other end of the adjusting rope is fixedly connected with a positioning block, and the positioning block is fixedly connected with the bottom plate.
By adopting the technical scheme, the second motor is started, the output shaft of the second motor rotates to drive the rotating shaft fixedly connected with the second motor to rotate, the rotating shaft drives the fixing block to rotate, the adjusting rope connected with the fixing block is wound on the rotating shaft, the adjusting rope forms upward pulling force on the positioning block, and the positioning block drives the bottom plate to move upward, so that the ground clearance of the rotary blade is increased upward.
The utility model discloses further set up to: the bottom of roof is fixedly connected with safety cover still, the motor is two in the inside of safety cover, the inside fixedly connected with limiting plate of safety cover, through-hole one has been seted up on the limiting plate, the inner wall welding of through-hole one has the bearing, the inner circle and the pivot of bearing cup joint, set up the through-hole two that is used for passing the regulation rope on the safety cover.
Through adopting above-mentioned technical scheme, the setting of safety cover is used for protecting its inside motor two, prevents that motor two is impaired, through having seted up aperture cooperation bearing on the limiting plate to make the rotation that the pivot can be stable, the effectual pivot of having solved receives the easy problem of damaging of great shearing force effect.
The utility model discloses further set up to: the utility model discloses a fixed connection of spring, including a fixed plate, a movable plate, a bottom plate, a push device, a spring, a movable plate, a spring, a regulation post, fixedly connected with regulating block on the bottom plate, the one end that the movable plate was kept away from to the regulation post runs through a regulation section of thick bamboo and with regulating block fixed connection to the one end of adjusting the movable plate.
Through adopting above-mentioned technical scheme, two thrust unit symmetries set up the both sides at the pulling device, in-process that the bottom plate rises, two thrust unit's atress is even, the spring receives the power of equidimension among two thrust unit, because adjust the post through regulating block and bottom plate fixed connection, the rising of bottom plate can drive and adjust the post and stretch into constantly in adjusting a section of thick bamboo, drive movable plate rebound simultaneously, the rebound of movable plate exerts a pressure to the spring, make the increase of the compression volume of spring, form decurrent elasticity, when needing to descend the bottom plate, the reversal of motor two, make the regulation rope increase, the spring extends under the effect of elasticity, drive movable plate and regulation post rebound, thereby promote the bottom plate rebound, thereby the terrain clearance of rotary cutter piece is adjusted downwards. The setting of adjusting a section of thick bamboo for the protection spring prevents that the spring from producing and buckling. The arrangement of the buffer plate can avoid the direct impact of the moving plate on the top wall of the adjusting cylinder in the ascending process of the bottom plate.
The utility model discloses further set up to: the side face of the moving plate is fixedly connected with a rubber ring, and the outer ring of the rubber ring is movably connected with the inner wall of the adjusting cylinder.
Through adopting above-mentioned technical scheme, through having set up the rubber circle, reduce the movable plate and adjust the friction between a section of thick bamboo inner wall, the life of a section of thick bamboo is adjusted in the extension.
The utility model discloses further set up to: an air leakage opening is formed in the adjusting cylinder, and a dust screen is fixedly connected to the inner wall of the air leakage opening.
Through adopting above-mentioned technical scheme, the setting of disappointing mouthful can guarantee that the atmospheric pressure of adjusting a section of thick bamboo is the same with the outside all the time, avoids the removal of movable plate to cause the air pressure difference in adjusting a section of thick bamboo to influence the removal of movable plate. Due to the arrangement of the dustproof net, impurities such as external dust and the like are prevented from entering the adjusting cylinder through the air leakage opening.
The utility model discloses further set up to: the upright post is provided with a sliding groove, and the bottom plate is provided with a sliding block for inserting the sliding groove.
Through adopting above-mentioned technical scheme, the slider on the bottom plate is inserted in the spout of stand to realize the sliding connection between bottom plate and the stand.
The utility model discloses further set up to: slots are formed in the two side slot walls of the sliding slot, and inserting blocks used for being inserted into the slots are arranged on the sliding block.
Through adopting above-mentioned technical scheme, the inserted block inserts in the slot, and the inserted block also can slide in the slot simultaneously, has promoted the stability of being connected between slider and the spout.
The utility model discloses further set up to: the motor II is also connected with a coupler and a speed reducer, the rotating shaft is fixedly connected with the output end of the speed reducer, and the input end of the speed reducer is connected with the motor II through the coupler.
Through adopting above-mentioned technical scheme, motor two passes through the shaft coupling and links to each other with the speed reducer, and the speed reducer is connected with the pivot, and through the drive of motor two like this, guarantee behind the speed reducer that the pivot rotates under low-speed, at the uniform velocity state to conveniently adjust the rotary blade to suitable height.
The utility model discloses further set up to: and the second motor is an alternating current band-type brake motor and is connected with a reversing switch.
Through adopting above-mentioned technical scheme, set up motor two into exchanging band-type brake motor and set up the switch of reversing, motor two has the function of auto-lock, avoids because the influence of bottom plate self gravity, and the pivot is automatic to be rotated, and the switch of reversing is used for driving motor two to rotate just.
To sum up, the utility model discloses following beneficial effect has:
a garden mower with adjustable cutting height is provided with a stand column for supporting a top plate off the ground; the arrangement of the roller facilitates the movement of the utility model; the arrangement of the handrail enables an operator to push the utility model more conveniently; the first motor drives the rotary blade to rotate and is used for cutting grass on the lawn; the bottom plate is connected with the upright column in a sliding mode, the pulling device can pull the bottom plate to move upwards, and the pushing device can push the bottom plate to move downwards. Borrow this, realize the altitude mixture control of bottom plate to realize the altitude mixture control of rotary blade, carry out effectual adjustment to the height of mowing, the effectual effect of guaranteeing to repair when the lawn is repaired.
Drawings
Fig. 1 is a schematic structural view of a garden mower with adjustable cutting height, which is mainly used for showing the external structure of the utility model;
FIG. 2 is a schematic structural view of a garden mower with adjustable cutting height, which is mainly used for showing the internal structure of the garden mower;
FIG. 3 is an enlarged view taken at A in FIG. 2, and is mainly used for showing the internal structure of the pulling means;
FIG. 4 is an enlarged view of the portion B of FIG. 2, which is mainly used to show the internal structure of the pushing device;
FIG. 5 is a top view of a post of the garden mower with adjustable cutting height of the present invention, which is mainly used to show the internal structure of the post;
FIG. 6 is a side view of a post of the garden mower with adjustable cutting height of the present invention, which is mainly used to show the internal structure of the post;
fig. 7 is a top view of the bottom plate of the garden mower with adjustable cutting height of the present invention, which is mainly used for showing the overall structure of the bottom plate.
In the figure: 1. a top plate; 2. a base plate; 3. a handrail; 4. a column; 5. a roller; 6. a first motor; 7. a rotary blade; 8. a pulling device; 9. a pushing device; 10. a second motor; 11. a rotating shaft; 12. adjusting the rope; 13. a fixed block; 14. positioning blocks; 15. a protective cover; 16. a limiting plate; 17. a bearing; 18. an adjusting cylinder; 19. a buffer plate; 20. a spring; 21. moving the plate; 22. an adjustment column; 23. an adjusting block; 24. a rubber ring; 25. an air escape opening; 26. a dust screen; 27. a chute; 28. a slider; 29. a slot; 30. and (5) inserting the blocks.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides an adjustable cutting height lawn mower for gardens, as shown in fig. 1, fig. 2, fig. 5, fig. 6 and fig. 7, including roof 1 and the bottom plate 2 that adopts metal material to make, the top welding of roof 1 has handrail 3 that adopts metal material to make, four corner positions of roof 1 have all welded the stand 4 that adopts metal material to make, gyro wheel 5 is installed to the bottom of stand 4, motor 6 is installed to the bottom of bottom plate 2, motor 6 is ripe prior art, need not to describe here in detail, the BLDC motor for lawn mower that specifically can adopt the dragon brand that crouches specifically, through nut and bolt fixedly connected with spinning blade 7 on the output shaft of motor 6. The upright post 4 is provided with a sliding groove 27, the bottom plate 2 is integrally formed with a sliding block 28 for inserting the sliding groove 27, the two side walls of the sliding groove 27 are provided with slots 29, and the sliding block 28 is integrally formed with an inserting block 30 for inserting the slots 29. The bottom of the top plate 1 is provided with a pulling device 8 for pulling the bottom plate 2 upward and a pushing device 9 for pushing the bottom plate 2 downward.
As shown in fig. 3, the pulling device 8 includes a second motor 10, a rotating shaft 11 and an adjusting rope 12, the second motor 10 is an ac band-type brake motor and is provided with a reversing switch, the second motor 10 is further connected with a coupler and a speed reducer, the rotating shaft 11 is fixedly connected with an output end of the speed reducer, an input end of the speed reducer is connected with the second motor 10 through the coupler, the second motor 10 can specifically adopt a suma brand Y2EJ electromagnetic brake motor, the second motor 10 is wrapped with a protective cover 15, the protective cover 15 is fixed at the bottom of the top plate 1 through a bolt and a nut, a limiting plate 16 is welded inside the protective cover 15, a first through hole is formed in the limiting plate 16, a bearing 17 is welded on the inner wall of the first through hole, a second through hole is formed in the protective cover 15, the second motor 10 is fixed inside the protective cover 15 through a bolt and, the other end of the rotating shaft 11 is sleeved with an inner ring of the bearing 17, a fixing block 13 is welded on the outer surface of the rotating shaft 11, one end of the adjusting rope 12 is bound on the fixing block 13, the other end of the adjusting rope 12 penetrates through the second through hole and is bound with a positioning block 14, and the positioning block 14 is welded with the bottom plate 2.
As shown in fig. 2 and 4, the number of the pushing devices 9 is two, two pushing devices 9 are symmetrically arranged on two sides of the pulling device 8, the pushing devices 9 include an adjusting cylinder 18, an air leakage opening 25 is formed in the adjusting cylinder 18, a dust screen 26 is clamped on the inner wall of the air leakage opening 25, the adjusting cylinder 18 is fixed to the bottom of the top plate 1 through bolts and nuts, a buffer plate 19 made of rubber materials is fixedly connected to the inner top wall of the adjusting cylinder 18 through an adhesive, a spring 20 is fixedly connected to the buffer plate 19 through the adhesive, a moving plate 21 is welded to one end, far away from the buffer plate 19, of the spring 20, a rubber ring 24 is fixedly connected to the side of the moving plate 21 through the adhesive, an adjusting column 22 is welded to one end, far away from the spring 20, of the moving plate 21, an adjusting block 23 is welded to the bottom plate 2, and one.
The working principle is as follows: in the original state of the present embodiment, there is no acting force between the adjusting rope 12 and the bottom plate 2, the sliding block 28 is located at the bottom end of the sliding slot 27, and the spring 20 is also in a state of not being acted by any force, in which the height of the rotary blade 7 is the adjustable lowest height of the rotary blade 7. When the rotary blade 7 needs to be heightened upwards, the second motor 10 is started, the output shaft of the second motor 10 rotates to drive the rotating shaft 11 fixedly connected with the second motor to rotate, the rotating shaft 11 rotates to drive the fixing block 13 to rotate, the adjusting rope 12 connected with the fixing block 13 is wound on the rotating shaft 11, the adjusting rope 12 forms upward pulling force on the positioning block 14, the positioning block 14 pulls the bottom plate 2, the sliding block 28 on the bottom plate 2 moves in the sliding groove 27 of the upright post 4, upward movement of the bottom plate 2 is achieved, and therefore the ground clearance of the rotary blade 7 is heightened upwards. In the process that the bottom plate 2 rises, the two pushing devices 9 are stressed uniformly, the springs 20 in the two pushing devices 9 are stressed by the same force, and as the adjusting columns 22 are fixedly connected with the bottom plate 2 through the adjusting blocks 23, the rising of the bottom plate 2 can drive the adjusting columns 22 to continuously extend into the adjusting cylinders 18 and simultaneously drive the moving plate 21 to move upwards, and the upward movement of the moving plate 21 applies a pressure to the springs 20, so that the compression amount of the springs 20 is increased, and downward elastic force is formed. When the bottom plate 2 needs to be lowered, the motor II 10 rotates reversely to enable the adjusting rope 12 to grow, the spring 20 extends under the action of elastic force to drive the moving plate 21 and the adjusting column 22 to move downwards, so that the bottom plate 2 is pushed to move downwards, and the ground clearance of the rotary blade 7 is lowered downwards. And starting the first motor 6, wherein an output shaft of the first motor 6 rotates to drive the rotary blade 7 to rotate, so that the lawn is cut. It should be noted that since the grass on the lawn is soft, the moving plate 21 is not moved upward by the upward reaction force of the grass against the rotary blade 7 when cutting the lawn, and the spring 20 with a large elastic coefficient is used in this embodiment, so as to further avoid the possibility of the moving plate 21 being lifted up by the reaction force of the lawn.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a lawn mower is used in gardens of adjustable cutting height, includes roof (1) and bottom plate (2), the top of roof (1) is provided with handrail (3), four equal fixedly connected with stands (4) in corner position of roof (1), the bottom of stand (4) is provided with gyro wheel (5), its characterized in that: the bottom of bottom plate (2) is installed motor (6), fixedly connected with rotating blade (7) on the output shaft of motor (6), bottom plate (2) and stand (4) sliding connection, the bottom of roof (1) is provided with and is used for pulling device (8) that bottom plate (2) rose and is used for promoting thrust unit (9) that bottom plate (2) descend.
2. A garden mower with adjustable cutting height according to claim 1, characterized in that: pulling device (8) are including motor two (10), pivot (11) and regulation rope (12), the bottom at roof (1) is fixed in motor two (10), the output shaft fixed connection of pivot (11) and motor two (10), the external fixed surface of pivot (11) is connected with fixed block (13), the one end fixed connection of adjusting rope (12) is on fixed block (13), the other end fixedly connected with locating piece (14) of adjusting rope (12), locating piece (14) and bottom plate (2) fixed connection.
3. A garden mower with adjustable cutting height according to claim 2, characterized in that: fixedly connected with safety cover (15) are still gone back to the bottom of roof (1), motor two (10) are located the inside of safety cover (15), the inside fixedly connected with limiting plate (16) of safety cover (15), through-hole one has been seted up on limiting plate (16), the inner wall welding of through-hole one has bearing (17), the inner circle and pivot (11) of bearing (17) cup joint, set up the through-hole two that is used for passing regulation rope (12) on safety cover (15).
4. A garden mower with adjustable cutting height according to claim 3, characterized in that: the quantity of thrust unit (9) sets up to two, two thrust unit (9) symmetry sets up the both sides in pulling device (8), thrust unit (9) is including adjusting a section of thick bamboo (18), the interior roof fixedly connected with buffer board (19) of adjusting a section of thick bamboo (18), fixedly connected with spring (20) are gone up in buffer board (19), one end fixedly connected with movable plate (21) of buffer board (19) are kept away from in spring (20), one end fixedly connected with regulation post (22) of spring (20) are kept away from in movable plate (21), fixedly connected with regulating block (23) are gone up in bottom plate (2), the one end that movable plate (21) were kept away from in regulation post (22) runs through and adjusts a section of thick bamboo (18) and with regulating block (23) fixed connection.
5. A garden mower with adjustable cutting height according to claim 4, characterized in that: the side face of the moving plate (21) is fixedly connected with a rubber ring (24), and the outer ring of the rubber ring (24) is movably connected with the inner wall of the adjusting cylinder (18).
6. A garden mower with adjustable cutting height according to claim 5, characterized in that: an air leakage opening (25) is formed in the adjusting cylinder (18), and a dust screen (26) is fixedly connected to the inner wall of the air leakage opening (25).
7. A garden mower with adjustable cutting height according to claim 1, characterized in that: the upright post (4) is provided with a sliding groove (27), and the bottom plate (2) is provided with a sliding block (28) used for being inserted into the sliding groove (27).
8. A garden mower with adjustable cutting height according to claim 7, characterized in that: the sliding block is characterized in that slots (29) are formed in the two side slot walls of the sliding slot (27), and inserting blocks (30) used for being inserted into the slots (29) are arranged on the sliding block (28).
9. A garden mower with adjustable cutting height according to claim 2, characterized in that: the motor II (10) is further connected with a coupler and a speed reducer, the rotating shaft (11) is fixedly connected with the output end of the speed reducer, and the input end of the speed reducer is connected with the motor II (10) through the coupler.
10. A garden mower with adjustable cutting height according to claim 9, characterized in that: the second motor (10) is an alternating current band-type brake motor and is connected with a reversing switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921979470.1U CN211482000U (en) | 2019-11-16 | 2019-11-16 | Lawn mower is used in gardens of adjustable cutting height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921979470.1U CN211482000U (en) | 2019-11-16 | 2019-11-16 | Lawn mower is used in gardens of adjustable cutting height |
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| Publication Number | Publication Date |
|---|---|
| CN211482000U true CN211482000U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921979470.1U Active CN211482000U (en) | 2019-11-16 | 2019-11-16 | Lawn mower is used in gardens of adjustable cutting height |
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| Country | Link |
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| CN (1) | CN211482000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114287227A (en) * | 2020-10-08 | 2022-04-08 | 胡斯华纳有限公司 | Height adjustment device and robotic lawnmower comprising a height adjustment device |
-
2019
- 2019-11-16 CN CN201921979470.1U patent/CN211482000U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114287227A (en) * | 2020-10-08 | 2022-04-08 | 胡斯华纳有限公司 | Height adjustment device and robotic lawnmower comprising a height adjustment device |
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Denomination of utility model: A garden mower with adjustable cutting height Effective date of registration: 20221020 Granted publication date: 20200915 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Suzhou Branch Pledgor: Suzhou Industrial Park Susheng Garden Construction Engineering Co.,Ltd. Registration number: Y2022320010598 |