CN214757929U - Hand self-propelled lawn edge trimmer - Google Patents
Hand self-propelled lawn edge trimmer Download PDFInfo
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- CN214757929U CN214757929U CN202022996511.7U CN202022996511U CN214757929U CN 214757929 U CN214757929 U CN 214757929U CN 202022996511 U CN202022996511 U CN 202022996511U CN 214757929 U CN214757929 U CN 214757929U
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Abstract
The utility model discloses a novel hand self-propelled lawn edge trimmer, including engine, frame, transmission system, front wheel mechanism, handrail, fuselage protection frame, lawn side cut sword, station adjustment mechanism control cutting depth adjustment mechanism and running wheel mechanism. The engine drives the lawn edge-cutting knife to perform edge-cutting operation and simultaneously drives the front driving wheel to advance, the whole machine does not need to be manually pushed to advance and cut edges, and a large amount of manpower is saved. Through cutting depth adjustment mechanism and station adjustment mechanism, can adjust the side cut degree of depth of controlling the station and the during operation of side cut sword, have higher side cut efficiency and quality. The cutting depth adjusting mechanism and the station adjusting mechanism adopt a screw rod structure, so that higher adjusting precision is ensured, and the operation is stable and reliable.
Description
Technical Field
The utility model relates to a gardens and lawn maintenance machinery specifically are hand self-propelled lawn bead cutter.
Background
The lawn is an important component of urban greenbelts and stadiums and has wide and close connection with human production and life. At the lawn border between urban greens and stadiums, grass grows vigorously at the lawn edge, requiring re-trimming of the lawn edge at least once a year to maintain the shape and boundary of the lawn. The trimming and trimming of the lawn border requires the removal of the edge, typically 2-4cm of litter, to the root of the lawn plants. The manual trimming mode is inefficient, the continuous operation effect is poor, and the depth of trimming is difficult to ensure to be constant. When manual trimming is carried out, the border of the lawn is loosened and collapsed due to too deep trimming, the roots of lawn plants are not cut due to too shallow trimming, and the grass on the edge of the lawn grows out of the border again after a short period of time.
The existing garden maintenance mode is difficult to process the lawn trimming work, so that weeds at the lawn boundary are clustered, the quality is poor, and the attractiveness and normal use of the lawn are affected.
Disclosure of Invention
The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a hand self-propelled lawn edge trimmer, and this novel edge trimmer is hand self-propelled, accomplishes the side cut operation and provides the power that advances by two-stroke gasoline engine drive, and the operator only needs hand its advancing direction of local control and opens and stop can. The utility model discloses on the basis of accomplishing side cut work, increased station adjustment mechanism, cutting depth adjustment mechanism, can the high accuracy adjust the side cut position and the side cut degree of depth of side cut operation. The station adjusting mechanism can realize high-precision adjustment of the left and right stations of the lawn trimming cutter in the working state or the stopping state of the whole machine so as to realize high-precision adjustment of the lawn boundary after trimming. The cutting depth adjusting mechanism can realize high-precision adjustment of the cutting depth of the lawn trimming cutter in a complete machine stop state, and determines the proper cutting depth according to different lawn environments and lawn plants, so that the best trimming effect is achieved.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
a hand-held self-propelled lawn edge trimmer comprises an engine, a rack, a transmission system, a front wheel mechanism, a handrail, a body protecting frame, a lawn edge trimming cutter, a station adjusting mechanism, a cutting depth adjusting mechanism and a traveling wheel mechanism. The frame comprises a frame body and a speed reducer cushion seat; the transmission system comprises a driving belt wheel, a driven belt wheel, a worm gear reducer, a driving chain wheel, a driven chain wheel, a front driving chain wheel and a working shaft; the front drive wheel mechanism comprises a front drive wheel, a front drive wheel shaft and a front drive wheel frame; the handrail is fixed on the frame body of the frame; the machine body protection frame comprises a front protection frame and a side protection frame; the lawn trimming knife is fixed on a working shaft of the transmission system; the station adjusting mechanism comprises a position adjusting screw rod, a large supporting seat and a handle; the cutting depth adjusting mechanism comprises a left cutting depth adjusting mechanism and a right cutting depth adjusting mechanism, and the left and right mechanisms are symmetrically arranged on the left and right sides of the central plane of the integral casing; the single cutting depth adjusting mechanism comprises a small supporting seat and a depth adjusting screw rod; the walking wheel mechanism comprises a walking wheel seat, a walking wheel cross frame and walking wheels on the left side and the right side respectively.
In the walking self-propelled lawn edge trimmer, the output shaft head of the engine is fixed with the driving belt wheel of the transmission system through key connection, and a V-belt transmission is arranged between the driving belt wheel and the driven belt wheel. The driven belt wheel is fixed with an input shaft head of the worm gear reducer through a key, and an output shaft head of the worm gear reducer is fixed with the driving chain wheel through a key. The driven belt wheel is fixed with an input shaft head of the worm gear reducer through a key, and an output shaft head of the worm gear reducer is fixed with the driving chain wheel through a key. The driving chain wheel, the driven chain wheel and the front drive chain wheel are driven by a roller chain. The working shaft is fixedly connected with the driven chain wheel through a key, and the driven chain wheel is fixed on the right section of the working shaft. The working shaft is a stepped shaft, the shaft diameter of the middle shaft section is larger, and two guide flat keys are arranged at the end of the middle shaft; the left shaft section is an optical axis, and the right shaft section is an optical axis. The left end shaft head and the right end shaft head of the working shaft are sleeved with bearings, the bearings are fixed in bearing seats, and the bearing seats are in contact with the left side plate and the right side plate of the rack. The lawn edge cutter is a disc cutter, a hole and two key grooves are formed in the center of the disc, the hole diameter is the same as the shaft diameter of the middle shaft end of the working shaft, and two guide flat keys at the middle shaft end penetrate through the two key grooves in the center of the lawn edge cutter.
In the hand-held self-propelled lawn edge trimmer, the torque output by the engine is transmitted to the input shaft head of the worm gear reducer through the V-belt transmission of the driving belt wheel and the driven belt wheel in the transmission system, and is output from the output shaft head after being reduced by the reducer. The driving chain wheel is fixed on an output shaft head of the speed reducer, and the rotation of the output shaft head of the engine drives the driving chain wheel to rotate after the rotation of the V belt and the transmission of the speed reducer. The driving chain wheel, the front driving chain wheel and the driven chain wheel are in chain transmission through the roller chains, and the driving chain wheel rotates to drive the front driving chain wheel and the driven chain wheel to rotate simultaneously. The driven chain wheel is fixedly connected with the working shaft through a key, and the rotation of the driven chain wheel can drive the working shaft to rotate. The front drive chain wheel is fixedly connected with the front drive wheel shaft through a key, and the front drive chain wheel rotates to drive the front drive wheel shaft to rotate.
In the hand-held self-propelled lawn edge trimmer, the left knife surface of the lawn edge trimming knife is provided with the convex groove, and the center of the edge trimming knife is provided with the hole and the two key grooves. The lawn edge cutting knife can slide along the guide flat key on the middle section of the working shaft, and the rotation of the working shaft can drive the lawn edge cutting knife to rotate through the guide flat key.
In the hand-held self-propelled lawn edge trimmer, the front drive wheel carrier in the front drive wheel mechanism is fixed below the front end of the frame body of the frame in a welding manner, and the front drive wheel shaft penetrates through the front drive wheel carrier and is matched with the front drive wheel carrier through a bearing. The front driving wheel is a rubber wheel and is fixed on a front driving wheel shaft, and the front driving wheel shaft rotates to drive the front driving wheel to rotate so as to provide forward power for the whole machine.
In the hand-held self-propelled lawn edge trimmer, the large support seat of the station adjusting mechanism is fixedly connected to the left side inside the frame body of the frame through the bolt, and the position adjusting screw rod penetrates through the large support seat and can rotate at the center of the large support seat. The large supporting seat is connected with the position adjusting screw rod through a thread pair, and the position adjusting screw rod can be rotated to horizontally move left and right relative to the large supporting seat. The handle is installed at the left end of the position adjusting screw rod, and the position adjusting screw rod can be rotated by rotating the handle. The right end of the position adjusting screw rod is a convex shaft head and can be embedded into a convex groove on the left cutter face of the lawn edge cutter. The station adjusting mechanism is realized in the following mode: the handle rotates to drive the positioning screw rod to rotate in the large supporting seat, the positioning screw rod and a thread pair in the large supporting seat can drive the positioning screw rod to translate left and right in the large supporting seat when rotating, the positioning screw rod translates left and right to drive the convex shaft head inserted into the convex groove of the left cutter face of the lawn trimming cutter to translate left and right, and accordingly the lawn trimming cutter is driven to slide left and right along the guide flat key in the middle section of the working shaft.
In the hand-held self-propelled lawn edge trimmer, the small support seats of the cutting depth adjusting mechanism are fixed to two sides of the outer portion of the frame body of the frame through bolts, and the depth adjusting screw rod is connected with the small support seats through the thread pairs. The depth adjusting screw rod is provided with a convex shaft head which is embedded into a convex groove in a positioning ring welded on bearing seats at two ends of the working shaft. The station adjusting mechanism is realized in the following mode: the depth adjusting screw rod is rotated, the depth adjusting screw rod and a thread pair in the small supporting seat can drive the depth adjusting screw rod to vertically move up and down in the small supporting seat when rotating, the depth adjusting screw rod vertically moves up and down to drive the bearing seat to vertically move up and down, the left bearing seat and the right bearing seat of the working shaft vertically move, the working shaft can be driven to vertically translate up and down, and the lawn trimming cutter in the middle section of the working shaft is driven to vertically translate up and down.
The utility model has the advantages that:
(1) the utility model discloses a supporting speed reduction transmission system of engine comes to provide power for drive and lawn side cut operation, and when the operation, the operator only need hand control local work direction of advance can. The lawn edge cutting machine greatly improves the operation efficiency of lawn edge cutting work and increases the lawn edge cutting speed while saving a large amount of manpower.
(2) The utility model discloses in the lawn operation of cutting edge, can carry out the station and adjust, can realize the high accuracy through using station adjustment mechanism and adjust the lawn side cut sword about station at complete machine operating condition or off-state to realize adjusting the lawn border after cutting edge with high accuracy.
(3) The utility model discloses a depth of cut adjustment mechanism can realize the depth of cut of high accuracy regulation lawn side cut sword at complete machine stall state, according to lawn environment and the lawn plant of difference, confirms the depth of cut that is fit for, reaches best side cut effect.
(4) The utility model discloses a lawn side cut sword is the disk blade, and it has three swords to open, and efficiency is higher when the lawn is cut edge, and is difficult for the clay. The disc-shaped blade with three edges can cut edges three times by one-time rotation, and compared with a common edge cutting knife, the edge cutting knife is easier to break grass roots and grass leaves, and the quality of lawn edge cutting operation is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the transmission system of the present invention.
Fig. 3 is a schematic view of the lawn edge cutter of the present invention.
Fig. 4 is a schematic view of the front drive wheel of the present invention.
Fig. 5 is a schematic view of the station adjusting mechanism of the present invention.
Fig. 6 is a schematic view of the cutting depth adjustment mechanism of the present invention.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to fig. 1 to 6 in the embodiment of the present invention:
referring to fig. 1, a novel hand-held self-propelled lawn edge trimmer comprises an engine 1, a frame 2, a transmission system 3, a front driving wheel mechanism 4, a handrail 5, a body protection frame 6, a lawn edge trimmer 7, a station adjusting mechanism 8, a cutting depth adjusting mechanism 9 and a walking wheel mechanism 10, wherein the frame 2 comprises a frame body 2-1 and a speed reducer cushion 2-2; the transmission system 3 comprises a driving belt wheel 3-1, a driven belt wheel 3-2, a worm gear reducer 3-3, a driving chain wheel 3-4, a driven chain wheel 3-5, a front drive chain wheel 3-6 and a working shaft 3-7; the front drive wheel mechanism 4 comprises a front drive wheel 4-1, a front drive wheel shaft 4-2 and a front drive wheel frame 4-3; the handrail 5 is fixed on the frame body 2-1 of the frame 2; the fuselage protection frame 6 comprises a front protection frame 6-1 and a side protection frame 6-2; the lawn edge-cutting knife 7 is fixed on a working shaft 3-7 of the transmission system 3; the station adjusting mechanism 8 comprises a position adjusting screw rod 8-1, a large supporting seat 8-2 and a handle 8-3; the cutting depth adjusting mechanism 9 comprises a left cutting depth adjusting mechanism 9L and a right cutting depth adjusting mechanism 9R, and the left and right mechanisms are symmetrically arranged on the left and right sides of the central plane of the integral casing; the single cutting depth adjusting mechanism 9 comprises a small supporting seat 9-1 and a depth adjusting screw rod 9-2; the walking wheel mechanism 10 comprises a walking wheel seat 10-1, a walking wheel cross frame 10-2 and a walking wheel 10-3 on the left side and the right side respectively.
Referring to fig. 2, an output shaft head of the engine 1 is fixed with a driving pulley 3-1 of a transmission system 3 through key connection, and a V-belt transmission is arranged between the driving pulley 3-1 and a driven pulley 3-2. The driven belt wheel 3-2 is fixed with an input shaft head of the worm and gear reducer 3-3 through a key, and an output shaft head of the worm and gear reducer 3-3 is fixed with the driving chain wheel 3-4 through a key. The driven belt wheel 3-2 is fixed with an input shaft head of the worm and gear reducer 3-3 through a key, and an output shaft head of the worm and gear reducer 3-3 is fixed with the driving chain wheel 3-4 through a key. The driving chain wheels 3-4, the driven chain wheels 3-5 and the front driving chain wheels 3-6 are driven by roller chains. The working shaft 3-7 and the driven chain wheel 3-5 are fixedly connected through a key, and the driven chain wheel 3-5 is fixed on the right section of the working shaft 3-7. The working shaft 3-7 is a stepped shaft, the shaft diameter of the middle shaft section 3-7M is larger, and two guide flat keys are arranged on the middle shaft end 3-7M; the left shaft section 3-7L is an optical axis, and the right shaft section 3-7R is an optical axis. The shaft heads at the left end and the right end of the working shaft are sleeved with bearings, the bearings are fixed in bearing seats, and the bearing seats are in contact with the left side plate and the right side plate of the frame 2. The lawn edge-cutting knife 7 is a disc-shaped knife, a hole and two key grooves are formed in the center of the disc, the hole diameter is the same as the shaft diameter of the middle shaft end of the working shaft 3-7, and two guide flat keys at the middle shaft end penetrate through the two key grooves in the center of the lawn edge-cutting knife 3-7.
Referring to fig. 3, in the hand-held self-propelled lawn edge trimmer 3-7, the torque output by the engine 1 is transmitted to the input shaft head of the worm gear reducer 3-3 through the V-belt transmission of the driving pulley 3-4 and the driven pulley 3-2 in the transmission system 3, and is output from the output shaft head after being reduced by the reducer 3-3. The driving chain wheel 3-4 is fixed on the output shaft head of the speed reducer 3-3, and the rotation of the output shaft head of the engine 1 drives the driving chain wheel 3-4 to rotate after the rotation of the V belt and the transmission of the speed reducer 3-3. The driving chain wheels 3-4, the front driving chain wheels 3-6 and the driven chain wheels 3-5 are in chain transmission through roller chains, and the driving chain wheels 3-4 rotate and drive the front driving chain wheels 3-6 and the driven chain wheels 3-5 to rotate. The driven chain wheels 3-5 are fixedly connected with the working shafts 3-7 through keys, and the rotation of the driven chain wheels 3-5 can drive the working shafts 3-7 to rotate. The front drive chain wheel 3-6 is fixedly connected with the front drive wheel shaft 4-2 through a key, and the front drive chain wheel 3-6 can drive the front drive wheel shaft 4-2 to rotate.
Referring to fig. 4, in the hand-held self-propelled lawn edge trimmer, a front drive wheel frame 4-3 in a front drive wheel mechanism 4 is fixed below the front end of a frame body 2-1 of a frame 2 through welding, and a front drive wheel shaft 4-2 penetrates through the front drive wheel frame 4-3 and is matched with the front drive wheel frame 4-3 through a bearing. The front drive wheel 4-1 is a rubber wheel and is fixed on the front drive wheel shaft 4-2, and the front drive wheel shaft 4-2 rotates to drive the front drive wheel 4-1 to rotate so as to provide forward power for the whole machine.
Referring to fig. 5, in the hand-held self-propelled lawn edge trimmer, a large support seat 8-2 of the station adjusting mechanism 8 is fixed on the left side inside a frame body 2-1 of a frame 2 through bolts, and a positioning screw rod 8-1 penetrates through the large support seat 8-2 and can rotate in the center of the large support seat 8-2. The large supporting seat 8-2 is connected with the position adjusting screw rod 8-1 through a thread pair, and the position adjusting screw rod 8-1 can be rotated to enable the position adjusting screw rod 8-1 to translate left and right relative to the large supporting seat 8-2. The left end of the position adjusting screw rod 8-1 is provided with a handle, and the position adjusting screw rod can be rotated by rotating the handle 8-3. The right end of the position adjusting screw rod 8-1 is a convex shaft head which can be embedded into a convex groove of the left knife face 7 of the lawn edge cutter. The station adjusting mechanism 8 is realized in the following manner: the handle 8-3 rotates to drive the positioning screw rod 8-1 to rotate in the large supporting seat 8-2, the positioning screw rod 8-1 and a thread pair in the large supporting seat 8-2 can drive the positioning screw rod 8-1 to translate left and right in the large supporting seat 8-2 when rotating, the positioning screw rod 8-1 translates left and right to drive a convex shaft head inserted into a convex groove of a left cutter face of the lawn trimming cutter 7 to translate left and right, and then the lawn trimming cutter 7 is driven to slide left and right along a guide flat key at the middle section of the working shaft 3-7.
Referring to fig. 6, in the walking self-propelled lawn edge trimmer, the small support seats 9-1 of the cutting depth adjusting mechanism 9 are fixed to two outer sides of the frame body 2-1 of the frame 2 through bolts, and the depth adjusting screw rod 9-2 is connected with the small support seats 9-1 through screw pairs. The depth adjusting screw rod 9-2 is provided with a convex shaft head which is embedded into a convex groove in a positioning ring welded on bearing seats at two ends of the working shaft 3-7. The station adjusting mechanism is realized in the following mode: the depth adjusting screw rod 9-2 is rotated, the depth adjusting screw rod 9-2 and a thread pair in the small supporting seat 9-1 can drive the depth adjusting screw rod 9-2 to vertically move up and down in the small supporting seat 9-1 when rotating, the vertical movement of the depth adjusting screw rod 9-1 drives the vertical movement of the bearing seat up and down, the vertical movement of the left and right bearing seats of the working shaft 3-7 can drive the working shaft 3-7 to vertically translate up and down, and the vertical translation of the lawn edge cutter 7 in the middle section of the working shaft 3-7 is driven.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.
Claims (7)
1. The utility model provides a hand self-propelled lawn edge trimmer, includes engine, frame, transmission system, front wheel mechanism, handrail, fuselage protection frame, lawn side cut sword, station adjustment mechanism, controls cutting depth adjustment mechanism and walking wheel mechanism, characterized by: an engine is fixedly connected to the left side of the rack through bolts, a speed reducer is fixedly connected to the right side of the rack through bolts, a working shaft is fixedly arranged below the speed reducer, and a front wheel frame and a walking wheel cross frame are fixedly welded on the front wheel frame and the walking wheel cross frame; the large supporting seat of the station adjusting mechanism is fixed on the left side inside the frame body of the frame through a bolt; the small supporting seats of the left and right cutting depth adjusting mechanisms are fixed on left and right frame body side plates of the frame through bolts.
2. The hand-propelled lawn edge trimmer of claim 1, wherein: in the transmission system, an output shaft head of an engine is fixed with a driving belt wheel of the transmission system through key connection, and a V-belt transmission is arranged between the driving belt wheel and a driven belt wheel; the driven belt wheel is fixed with an input shaft head of the worm gear reducer through a key, and an output shaft head of the worm gear reducer is fixed with the driving sprocket through a key; the driving chain wheel is in transmission with the driven chain wheel and the front drive chain wheel through a roller chain; the working shaft and the driven chain wheel are fixedly connected through a key, and the driven chain wheel is fixed on the right section of the working shaft; the working shaft is a stepped shaft, the shaft diameter of the middle shaft section is larger, and two guide flat keys are arranged at the end of the middle shaft; the left shaft section is an optical axis, and the right shaft section is an optical axis; the left end shaft head and the right end shaft head of the working shaft are sleeved with bearings, the bearings are fixed in bearing seats, and the bearing seats are in contact with left and right side plates of the rack; the lawn edge cutter is a disc cutter, a hole and two key grooves are formed in the center of the disc, the hole diameter is the same as the shaft diameter of the middle shaft end of the working shaft, and two guide flat keys at the middle shaft end penetrate through the two key grooves in the center of the lawn edge cutter.
3. A hand-held self-propelled lawn edge trimmer as defined in claim 2 wherein: the torque output by the engine is transmitted to an input shaft head of a worm gear reducer through V belt transmission of a driving belt wheel and a driven belt wheel in a transmission system, and is output from an output shaft head after being reduced by the reducer; the driving chain wheel is fixed on an output shaft head of the speed reducer, and the rotation of the output shaft head of the engine drives the driving chain wheel to rotate after the rotation of the V belt and the transmission of the speed reducer; the driving chain wheel, the front driving chain wheel and the driven chain wheel are in chain transmission by using a roller chain, and the driving chain wheel rotates and simultaneously drives the front driving chain wheel and the driven chain wheel to rotate; the driven chain wheel is fixedly connected with the working shaft through a key, and the rotation of the driven chain wheel can drive the working shaft to rotate; the front drive chain wheel is fixedly connected with the front drive wheel shaft through a key, and the front drive chain wheel rotates to drive the front drive wheel shaft to rotate.
4. A hand-held self-propelled lawn edge trimmer as defined in claim 2 wherein: a convex groove is formed on the left cutter surface of the lawn edge cutter, and a hole and two key grooves are formed in the center of the edge cutter; the lawn edge cutting knife can slide along the guide flat key on the middle section of the working shaft, and the rotation of the working shaft can drive the lawn edge cutting knife to rotate through the guide flat key.
5. A hand-held self-propelled lawn edge trimmer as defined in claim 2 wherein: a front drive wheel frame in the front drive wheel mechanism is fixed below the front end of the frame body of the frame through welding, and a front drive wheel shaft passes through the front drive wheel frame and is matched with a bearing between the front drive wheel frame and the front drive wheel frame; the front driving wheel is a rubber wheel and is fixed on a front driving wheel shaft, and the front driving wheel shaft rotates to drive the front driving wheel to rotate so as to provide forward power for the whole machine.
6. The hand-propelled lawn edge trimmer of claim 1, wherein: the large supporting seat of the station adjusting mechanism is fixedly connected to the left side inside the frame body of the rack through a bolt, and the positioning screw rod penetrates through the large supporting seat and can rotate at the center of the large supporting seat; the large supporting seat is connected with the position adjusting screw rod through a thread pair, and the position adjusting screw rod can be rotated to horizontally move left and right relative to the large supporting seat; the left end of the position adjusting screw rod is provided with a handle, and the position adjusting screw rod can be rotated by rotating the handle; the right end of the positioning screw rod is a convex shaft head which can be embedded into a convex groove on the left cutter face of the lawn trimming cutter; the station adjusting mechanism is realized in the following mode: the handle rotates to drive the positioning screw rod to rotate in the large supporting seat, the positioning screw rod and a thread pair in the large supporting seat can drive the positioning screw rod to translate left and right in the large supporting seat when rotating, the positioning screw rod translates left and right to drive the convex shaft head inserted into the convex groove of the left cutter face of the lawn trimming cutter to translate left and right, and accordingly the lawn trimming cutter is driven to slide left and right along the guide flat key in the middle section of the working shaft.
7. The hand-propelled lawn edge trimmer of claim 1, wherein: the small supporting seats of the cutting depth adjusting mechanism are fixed with the two sides of the outer part of the frame body of the frame through bolts, and a thread pair is connected between the depth adjusting screw rod and the small supporting seats; the depth adjusting screw rod is provided with a convex shaft head which is embedded into a convex groove in a positioning ring welded on bearing seats at two ends of the working shaft; the station adjusting mechanism is realized in the following mode: the depth adjusting screw rod is rotated, the depth adjusting screw rod and a thread pair in the small supporting seat can drive the depth adjusting screw rod to vertically move up and down in the small supporting seat when rotating, the depth adjusting screw rod vertically moves up and down to drive the bearing seat to vertically move up and down, the left bearing seat and the right bearing seat of the working shaft vertically move, the working shaft can be driven to vertically translate up and down, and the lawn trimming cutter in the middle section of the working shaft is driven to vertically translate up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022996511.7U CN214757929U (en) | 2020-12-14 | 2020-12-14 | Hand self-propelled lawn edge trimmer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022996511.7U CN214757929U (en) | 2020-12-14 | 2020-12-14 | Hand self-propelled lawn edge trimmer |
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| Publication Number | Publication Date |
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| CN214757929U true CN214757929U (en) | 2021-11-19 |
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| CN202022996511.7U Active CN214757929U (en) | 2020-12-14 | 2020-12-14 | Hand self-propelled lawn edge trimmer |
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