CN212936734U

CN212936734U - Hand-push type mowing device

Info

Publication number: CN212936734U
Application number: CN202021222347.8U
Authority: CN
Inventors: 汪希奎; 张康康; 杨立权; 李光喜
Original assignee: Pingdingshan University
Current assignee: Pingdingshan University
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-13
Anticipated expiration: 2030-06-29

Abstract

The hand-push type mowing device comprises a rack, a transmission part, a cutter disc, a protective shell and a blade; the transmission part is arranged on the rack, the transmission part is in transmission connection with the cutter disc, and the blade is connected to the cutter disc; the protective shell comprises a fixed groove and a movable groove which are connected, the cutter disc is positioned between the fixed groove and the movable groove, the opposite side surfaces of the fixed groove and the movable groove are both in an open shape, the bottom surface of the rack is provided with a slide rail arranged along the length direction of the rack, and the movable groove is connected with the slide rail in a sliding way; the tail end of the sliding rail is provided with a threaded hole, and the movable groove is connected with the rack through the threaded hole. The utility model relates to a novelty can carry out the long-time operation of large tracts of land, and operation process safety, later maintenance is convenient simultaneously, and the use is comfortable, laborsaving, and it is convenient to use simultaneously, and weeding is efficient, is adapted to different places, and the suitability is strong, has better practical value and spreading value.

Description

Hand-push type mowing device

Technical Field

The utility model belongs to the mowing equipment field especially relates to a hand propelled grass cutting device.

Background

The greening area of China is larger and larger, the demand of the mowing device is also increased, and the conventional mowing device is pushed by hands or carried by shoulders. Bear lawn mower small, convenient the removal is applicable to the repair on small size lawn, but its problem that exists simultaneously is: the user needs to carry the user on his back all the time to cut grass, and the labor intensity of the user is high, so that the user is not suitable for working for a long time.

The hand-push type mower has the advantages that the labor intensity is relatively low when the hand-push type mower is used, in order to guarantee safety in the using process, the shell is usually arranged around the blade and used for preventing people from being injured due to splashing of stones and the like in the mowing process, and therefore the hand-push type mower is good in safety performance in the using process and suitable for large-area long-time operation.

However, the following problems still exist in the push mower: the casing protects the operator, and a large amount of impurities are accumulated in the casing after long-time use, and the casing needs to be cleaned regularly.

The current cleaning method comprises the following steps: because the connection of current casing and lawn mower is more complicated, connecting bolt is many or the direct weld, simultaneously, because grass collection case needs to be connected with the casing, for guaranteeing the sealed of both junctions, the casing often sets up to non-detachable form, when the clearance stays impurity, often need invert the lawn mower, the impurity of long-pending stay in the clearance casing, this kind of mode is more complicated, because the existence of blade, causes the injury to the operator very easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a low in labor strength, convenient to use's hand propelled grass cutting device.

In order to solve the technical problem, the utility model provides a following technical scheme: the hand-push type mowing device comprises a rack, a transmission part, a cutter disc, a protective shell and a blade; the transmission part is arranged on the rack, the transmission part is in transmission connection with the cutter disc, and the blade is connected to the cutter disc; the protective shell comprises a fixed groove and a movable groove which are connected, the cutter disc is positioned between the fixed groove and the movable groove, the opposite side surfaces of the fixed groove and the movable groove are both in an open shape, the bottom surface of the rack is provided with a slide rail arranged along the length direction of the rack, and the movable groove is connected with the slide rail in a sliding way; the tail end of the sliding rail is provided with a threaded hole, and the movable groove is connected with the rack through the threaded hole.

At least 1 blade is provided, the blade is in a cuboid shape, the thickness of the blade towards the edge part is gradually reduced, and the height of the bottom surface of the blade is gradually increased from the two ends towards the middle; the side edge of the blade is provided with a cutting edge.

The bottom surface of the protective housing is flush with the bottom surface of the blade.

The bottom surface of the frame is provided with a universal wheel and a travelling wheel, the universal wheel is positioned at the front part of the frame, and the travelling wheel is arranged at the rear part of the frame.

The machine frame comprises an upper machine frame and a lower machine frame which are sequentially arranged from top to bottom, the upper machine frame is connected with the lower machine frame through a threaded rod, the transmission part comprises a power mechanism and a transmission shaft, the power mechanism is arranged on the upper machine frame, the universal wheels and the travelling wheels are arranged on the lower machine frame, and the transmission shaft is in transmission connection with the cutter disc; the slide rail sets up and lower frame.

The threaded rod is fixedly connected with the lower frame; the upper frame is provided with a connecting hole, the top end of the threaded rod extends out of the connecting hole, and the upper surface and the lower surface of the upper frame are respectively provided with a nut screwed on the threaded rod.

Still be connected with a grass collection box on the lower frame, be connected with the air exhauster on the grass collection box, set up the install bin at a grass collection roof portion, the air exhauster sets up in the install bin, sets up the air outlet on the install bin, is equipped with the filter screen on the air outlet.

The fixed groove is provided with a grass suction port, the grass collecting box is connected with the grass suction port, and the grass suction port is provided with a filter screen.

The back part of the frame is provided with a handrail, the length of the handrail is adjustable, and the handrail is arranged in a backward inclining mode.

The power mechanism comprises a gasoline engine, an output shaft of the gasoline engine is connected with a speed reducer, and an output shaft of the speed reducer is connected with the transmission shaft.

Through the technical scheme, the beneficial effects of the utility model are that:

1. when the hand mower works, the labor intensity is low, and large-area long-time operation can be carried out.

2. In the process of mowing, the protection shell and the protective net work together, so that impurities such as stones and the like can be prevented from splashing to hurt people after being contacted with the blade, and the working process is safe.

3. The protection casing that sets up can be dismantled, easily clears up the impurity that wherein long-pending stays, and later maintenance is convenient.

4. To sum up, this device use is comfortable, laborsaving, and it is convenient to use simultaneously, and weeding is efficient, adapts to different places, and the suitability is strong, has better practical value and spreading value.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a schematic structural view of the protective housing.

Detailed Description

A hand-push type mowing device, as shown in fig. 1 to 3, comprising a frame, a transmission part, a cutter disc 4, a protective net 20, a grass collecting box 14, an exhaust fan and a blade 5; the transmission part is arranged on the machine frame, the machine frame is in transmission connection with the cutter disc 4, the cutter disc 4 is fixedly connected with the blades 5, and the protective net 20 is positioned in front of the cutter disc 4. When the grass cutting machine is used, the rack moves, the transmission part drives the blades 5 to rotate through the cutter disc 4, the blades 5 cut grass while rotating, the protective net 20 is positioned in front of the cutter disc 4, and in the moving process of the rack, impurities such as small stones in front are pushed away, so that the blades 5 are prevented from contacting with the impurities to cause the impurities to splash and hurt people; the protective shell 11 further protects hard impurities such as stones and the like, and prevents accidents of hurting people. The suction fan works to pump the cut weeds into the grass collecting box 14 for centralized treatment.

The specific structure is introduced as follows:

the device comprises a rack and a frame, wherein the rack is used for connecting the device into a whole, the rack comprises an upper rack 6 and a lower rack 9 which are sequentially arranged from top to bottom, the upper rack 6 and the lower rack 9 are connected through a threaded rod 7, the threaded rod 7 is fixedly connected with the lower rack 9, meanwhile, the top end of the threaded rod 7 penetrates through the upper rack 6, nuts 8 which are screwed on the threaded rod 7 are attached to the upper surface and the lower surface of the upper rack 6, and in the embodiment, 4 threaded rods 7 are used for ensuring the stability. The upper frame 6 and the lower frame 9 are connected through the threaded rod 7, and meanwhile, the distance between the upper frame 6 and the lower frame 9 can be adjusted by screwing the nut 8 on the threaded rod 7, so that the height of the transmission part is adjusted, and finally grass remaining height is adjusted.

In order to facilitate the movement of the frame, the bottom surface of the frame is provided with a universal wheel 10 and a traveling wheel 12, and the universal wheel 10 and the traveling wheel 12 are arranged on the lower frame 9. The universal wheel 10 is located the frame front portion, and the walking wheel 12 sets up in the frame rear portion, and universal wheel 10 and walking wheel 12 all can rotate relative the frame, and universal wheel 10 and walking wheel 12 are ripe prior art.

Meanwhile, the rear part of the lower frame 9 is provided with a handrail 17, the length of the handrail 17 is adjustable, and the handrail 17 is arranged in a backward inclining way. In order to adjust the length of the armrest 17, the armrest 17 includes a bottom armrest 17 connected to the frame, a sliding cavity is disposed in the bottom armrest 17, an upper armrest 17 is slidably disposed in the bottom armrest 17, a tightening bolt is screwed in the bottom armrest 17, an end of the tightening bolt tightly abuts against the upper armrest 17, and the upper armrest 17 can slide in the sliding cavity, so as to adjust the length of the armrest 17.

The transmission part is used for realizing mowing and comprises a power mechanism and a transmission shaft 3. The power mechanism is arranged on the upper frame 6.

Wherein, power unit can be: the power mechanism takes the gasoline engine 1 as an example in the embodiment for explanation, the output shaft of the gasoline engine 1 is connected with the speed reducer 2, the output shaft of the speed reducer 2 is connected with the transmission shaft 3 through the coupler, the transmission shaft 3 is connected with the cutter disc 4, and the cutter disc 4 can rotate in the horizontal direction.

Wherein, gasoline engine 1, reduction gear 2 and shaft coupling are the product of selling on the market, adopt prior art to connect can.

For the grass collecting box 14, the grass collecting box 14 is connected to the lower frame 9, and the grass collecting box 14 is connected with the exhaust fan. The top of the grass collecting box 14 is provided with a mounting box 15, the exhaust fan is arranged in the mounting box 15, an air outlet 16 is formed in the mounting box 15, a filter screen is arranged on the air outlet 16, air extracted by the exhaust fan is blown out through the air outlet 16, and the filter screen on the air outlet 16 is used for protecting the exhaust fan.

The grass collecting box 14 is connected with the protective shell 11, and the exhaust fan exhausts air to suck the cut grass in the protective shell 11 into the grass collecting box 14.

To cutter dish 4, cutter dish 4 cross section is circular, and cutter dish 4 is connected with transmission shaft 3 to when transmission shaft 3 rotated under the effect of gasoline engine 1, cutter dish 4 can follow the rotation.

Be connected with blade 5 in cutter dish 4 below, blade 5 has 1 at least, and blade 5 is the cuboid form, and blade 5 reduces gradually towards edge position thickness, and blade 5 bottom surface height is followed both ends and is gone up gradually towards the direction in the middle of to form a swirl below blade 5, effectively reduce the indiscriminate phenomenon of flying of grass, simultaneously, if there is blade 5 to touch impurity such as stone, reduced the safety injury that splashes and bring.

The edge of the blade 5 is provided with a blade edge which contacts with the grass in the rotating process of the blade 5 to cut the grass.

In order to guarantee the safety of users and peripheral personnel, a protective shell is arranged on the periphery of the cutter disc 4, the bottom surface of the protective shell is flush with the bottom surface of the blade 5, impurities such as stones are further limited through the protective shell, and the safety of the device in the using process is improved.

In order to facilitate later maintenance, the protective shell 11 comprises a fixed groove 112 and a movable groove 111 which are connected, the cutter disc 4 is positioned between the fixed groove 112 and the movable groove 111, the opposite side surfaces of the fixed groove 112 and the movable groove 111 are both in an open shape, the bottom surface of the rack is provided with a slide rail 18 arranged along the length direction of the rack, and the movable groove 111 is connected with the slide rail 18 in a sliding manner; the tail end of the slide rail 18 is provided with a threaded hole, and the movable groove 111 is connected with the frame through the threaded hole.

The fixing groove 112 is provided with a straw sucking opening 19, and the straw sucking opening 19 is connected with the straw collecting box 14. The filter screen is arranged on the grass suction opening 19, so that cut grass and other impurities are prevented from entering the air draft fan, and the air draft fan is protected.

Because the protective shell 11 is divided into the fixed groove 112 and the movable groove 111, after the protective shell is used for a period of time, the fixed groove 112 and the movable groove 111 are disconnected, the movable groove 111 is moved to the front end of the frame through the slide rail 18, impurities around the blade 5 can be cleaned, the operation space is large, the time of hurting people is not easy to occur, and meanwhile, the protective shell is convenient to connect and easy to position.

The movable groove 111 and the fixed groove 112 are connected in the following manner: the movable groove 111 is provided with a slot, the fixed groove 112 is provided with an inserting plate matched with the slot, the inserting plate is inserted into the slot, and the movable groove 111 and the fixed groove 112 are connected through a connecting bolt.

The fixing groove 112 is fixedly arranged on the lower frame 9, the mounting plate 13 is arranged on the lower frame 9, and the slide rail 18 is arranged on the mounting plate 13. The movable groove 111 is bolted to the slide rail 18. In order to position the movable groove 111, a stopper is provided at the end of the slide rail 18, and the movable groove 111 is slid to the end of the slide rail 18 when in use.

The grass collection is arranged in the protective shell 11, and the sealing performance of the grass collection is low compared with the sealing performance requirement of the joint of the protective shell 11 and the grass collection box 14, so the grass collection is easy to realize.

Be equipped with protection network 20 in cutter dish 4 the place ahead, simultaneously, protection network 20 is located between protective housing and cutter dish 4, and protection network 20 bottom surface is less than the bottom surface of blade 5, and protection network 20 material 45 steel, material non-deformable, protection network 20 can be when the frame removes, push away impurity such as the stone in cutter dish 4 the place ahead, has reduced the incident that impurity such as stone splashes from the root.

When the mower works, a user firstly adjusts the height of the handrail 17, and then adjusts the height of the upper frame 6 through adjusting the position of the nut 8 on the threaded rod 7, so as to adjust the height of the blade 5 from the ground and realize the adjustment of mowing length; then, the gasoline engine 1 and the exhaust fan are started, a user pushes the handrail 17, the frame is driven to move through the universal wheels 10 and the traveling wheels 12, in the moving process, the cutter disc 4 drives the blades 5 to rotate, the blades 5 cut grass in the rotating process, due to the structural design of the blades 5, vortexes can be formed below the blades 5 to spin impurities such as grass in the vortexes, and the exhaust fan is easy to suck the impurities into the grass collecting box 14.

The utility model relates to a novelty can carry out the long-time operation of large tracts of land, and operation process safety, later maintenance is convenient simultaneously, and the use is comfortable, laborsaving, and it is convenient to use simultaneously, and weeding is efficient, is adapted to different places, and the suitability is strong, has better practical value and spreading value.

Claims

1. Hand propelled grass cutting device, its characterized in that: comprises a frame, a transmission part, a cutter disc, a protective shell and a blade; the transmission part is arranged on the rack, the transmission part is in transmission connection with the cutter disc, and the blade is connected to the cutter disc; the protective shell comprises a fixed groove and a movable groove which are connected, the cutter disc is positioned between the fixed groove and the movable groove, the opposite side surfaces of the fixed groove and the movable groove are both in an open shape, the bottom surface of the rack is provided with a slide rail arranged along the length direction of the rack, and the movable groove is connected with the slide rail in a sliding way; the tail end of the sliding rail is provided with a threaded hole, and the movable groove is connected with the rack through the threaded hole.

2. A push mower apparatus as claimed in claim 1, wherein: at least 1 blade is provided, the blade is in a cuboid shape, the thickness of the blade towards the edge part is gradually reduced, and the height of the bottom surface of the blade is gradually increased from the two ends towards the middle; the side edge of the blade is provided with a cutting edge.

3. A push mower apparatus as claimed in claim 2, wherein: the bottom surface of the protective housing is flush with the bottom surface of the blade.

4. A push mower as claimed in claim 3, wherein: the bottom surface of the frame is provided with a universal wheel and a travelling wheel, the universal wheel is positioned at the front part of the frame, and the travelling wheel is arranged at the rear part of the frame.

5. The walk-behind mowing device according to claim 4, wherein: the machine frame comprises an upper machine frame and a lower machine frame which are sequentially arranged from top to bottom, the upper machine frame is connected with the lower machine frame through a threaded rod, the transmission part comprises a power mechanism and a transmission shaft, the power mechanism is arranged on the upper machine frame, the universal wheels and the travelling wheels are arranged on the lower machine frame, and the transmission shaft is in transmission connection with the cutter disc; the slide rail sets up and lower frame.

6. The walk-behind mowing device of claim 5, wherein: the threaded rod is fixedly connected with the lower frame; the upper frame is provided with a connecting hole, the top end of the threaded rod extends out of the connecting hole, and the upper surface and the lower surface of the upper frame are respectively provided with a nut screwed on the threaded rod.

7. The walk-behind mowing device of claim 6, wherein: still be connected with a grass collection box on the lower frame, be connected with the air exhauster on the grass collection box, set up the install bin at a grass collection roof portion, the air exhauster sets up in the install bin, sets up the air outlet on the install bin, is equipped with the filter screen on the air outlet.

8. A push mower apparatus as claimed in claim 7, wherein: the fixed groove is provided with a grass suction port, the grass collecting box is connected with the grass suction port, and the grass suction port is provided with a filter screen.

9. A push mower apparatus as claimed in claim 8, wherein: the back part of the frame is provided with a handrail, the length of the handrail is adjustable, and the handrail is arranged in a backward inclining mode.

10. A push mower apparatus as claimed in any one of claims 1 to 9, wherein: the power mechanism comprises a gasoline engine, an output shaft of the gasoline engine is connected with a speed reducer, and an output shaft of the speed reducer is connected with the transmission shaft.