CN112673800B

CN112673800B - Hand-push type mower

Info

Publication number: CN112673800B
Application number: CN202011529347.7A
Authority: CN
Inventors: 冷明宇
Original assignee: Liaocheng Yulin Industrial Design Co ltd
Current assignee: LIAOCHENG YULIN INDUSTRIAL DESIGN Co.,Ltd.
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-11-23
Anticipated expiration: 2040-12-22
Also published as: CN112673800A

Abstract

The invention discloses a hand-push mower which comprises a mower body, wherein a contraction air bag is arranged at the top of the inner wall of the mower body and is positioned between the top of the surface of a sliding push plate and two sides corresponding to the inner wall of the mower body, an air flow channel is arranged in the mower body and is close to the top, one end of the air flow channel is communicated with the end part of the contraction air bag, a carding device is fixed at the bottom of the sliding push plate through a connecting rod, a cutting device is arranged in the mower body and is far away from one side of the carding device, and one end of the air flow channel, far away from the contraction air bag, is connected with the top end of the cutting device in a matched mode through a rotating connector. This hand propelled lawn mower has reached and has prevented hard thing, has prevented glutinous purpose of gluing, can in time clear up hard thing, avoids the blade disc to receive the rigidity collision, and safe and reliable reduces moist piece or grass leaf simultaneously and glues at the cutting edge, has guaranteed the sharpness of cutter for the cutting is thorough fast, has improved work efficiency and performance.

Description

Hand-push type mower

Technical Field

The invention relates to the technical field of electric tools, in particular to a hand-push type mower.

Background

The invention relates to a method for improving agricultural production efficiency, which is an important tool of a mower as an agricultural production in the agricultural kingdom and has the most direct influence on the yield of crops. A lawn mower is a mechanical tool used to trim lawns, vegetation, and the like. A lawn mower is a mechanical tool for trimming lawns, vegetation and the like, and is classified into a diesel engine and a gasoline engine. The device consists of a cutter head, an engine, a traveling wheel, a traveling mechanism, a blade, a handrail, a controller and the like. The output speed of the blade is greatly increased by utilizing the high-speed rotation of the engine, the operation time of weeders is saved, and a large amount of manpower resources are reduced. In the countries with advanced development of animal husbandry mechanization, the research on novel mowers is developing towards high speed and energy conservation.

At present, the current hand propelled lawn mower safeguard measure in market is ideal inadequately, debris are more on the lawn, often be mingled with the rubble, hard things such as branch, can lead to rotatory blade to be damaged when mowing, the fracture even, there is great potential safety hazard simultaneously, and when cutting moist plant, piece or grass leaf after the cutting, pile up for a long time and adhere together, make the cutting edge passivation of blade disc, cause a large amount of plants and not cut off, make mowing thoroughly, influence cutting efficiency, performance has been reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a hand-push mower, which solves the problems that the existing hand-push mower has unsatisfactory protection measures, has more sundries on a lawn, is often mixed with hard objects such as broken stones, branches and the like, can cause the rotating blade to be damaged or even broken during mowing, has larger potential safety hazards, and can lead to the problems that when wet plants are cut, the cut chips or grass leaves are accumulated and adhered together for a long time, so that the cutting edge of a cutter head is passivated, a large number of plants are not cut, the mowing is not thorough, the cutting efficiency is influenced, and the use performance is reduced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a hand propelled lawn mower, includes the organism, the organism is equipped with slip push pedal, shrink gasbag, air current channel, carding unit, cutting device, rotates the connector, slip push pedal sliding connection is in inner wall top one side of organism, the shrink gasbag sets up at the inner wall top of organism and is located between the both sides that slip push pedal surface top and organism inner wall correspond, the air current channel is seted up in the inside of organism and is close to the top position, the one end of air current channel and the tip intercommunication of shrink gasbag, carding unit passes through the connecting rod to be fixed in the bottom of slip push pedal, one side of carding unit is just kept away from in the inside of organism to cutting device setting, the one end that shrink gasbag was kept away from to the air current channel is connected through rotating the connector and cutting device's top cooperation.

Preferably, carding unit is equipped with comb piece, arcwall face, strengthening rib, breach, buffer, the arcwall face is seted up in the both sides that comb piece surface bottom corresponds, the strengthening rib setting is between the both sides that comb piece inner wall corresponds, the breach is seted up on the surface of comb piece and is located the position of arcwall face, buffer sets up on the surface of comb piece and is located the position of arcwall face.

Preferably, buffer is equipped with cavity, arc air jet system, arc bullet spare, elastic airbag, elastic strip, arc passageway, the cavity is seted up on the surface of comb piece, arc air jet system rotates the position of connecting on the surface of comb piece and being located the cavity, the inner wall at the cavity is fixed to arc bullet spare, elastic airbag sets up the inside at arc bullet spare, the elastic strip is fixed between arc air jet system and the corresponding both sides of arc bullet spare, the arc passageway is seted up in arc bullet spare and the inside corresponding position of elastic strip, the one end and the elastic airbag intercommunication of arc passageway.

Preferably, the arc plate air injection device is provided with an arc plate body, an air cavity and an air injection port, the air cavity is formed in the arc plate body, the air injection port is formed in one side of the surface of the arc plate body, and the air injection cavity is communicated with one end, far away from the elastic air bag, of the arc channel.

Preferably, the air nozzles are uniformly distributed on the surface of the arc-shaped plate body, and the air nozzles are communicated with the air cavity.

Preferably, cutting device is equipped with pivot, cutting disc, interface channel, antiseized device, the surface bottom in the pivot is fixed to the cutting disc, interface channel sets up in pivot, the inside corresponding position of cutting disc, antiseized device sets up in the inside of cutting disc and is located interface channel's tip position.

Preferably, antiseized device is equipped with shell fragment, impact hammer, blows gasbag, the mouth of blowing, the shell fragment sets up in interface channel's inside and is close to the tip position, impact hammer fix on the surface of shell fragment and with cutting disc between sliding connection, blow the gasbag setting in interface channel's inside and be located the position of shell fragment, the mouth of blowing is seted up at cutting disc's surperficial edge and is communicate with the gasbag of blowing.

(III) advantageous effects

The invention provides a hand-push type mower. The method has the following beneficial effects:

(one), this hand propelled lawn mower, through slip push pedal, shrink gasbag, air current way, carding unit, cutting device, rotation connector, can in time dial hard things such as rubble, branch open, avoid colliding with the cutter, and then effectively avoided damaging, guaranteed safety simultaneously, reduced the potential safety hazard, can in time clear up automatically with piece or grass leaf in addition, avoid appearing the condition of adhesion on the cutter, guaranteed the sharpness of cutting edge, avoid mowing thoroughly, improved performance.

The hand-push mower has the advantages that the structure of the comb is formed through the comb block, the arc-shaped surface, the reinforcing ribs and the notches, and the plurality of notches on the surface of the comb block, so that the hard objects such as broken stones and branches appearing on a lawn can be combed and timely pulled apart in the reciprocating movement, the collision with a rotating cutter is avoided, meanwhile, the arc-shaped surface has the guiding effect, and the combing of the hard objects such as the broken stones and the branches is promoted.

(III), this hand propelled lawn mower, through setting up buffer, the effect of buffering has been reduced to the air flue, can reduce the impact force of hard things such as rubble, branch to carding unit, effectively dissolves the impact force, avoids damaging components and parts, has prolonged life.

(IV), this hand propelled lawn mower, through the cavity, arc air jet system, arc bullet spare, elastic airbag, the elasticity strip, the stress area can be increased to arc air jet system, fully with energy conversion, the elasticity of make full use of arc bullet spare, elastic airbag and elasticity strip self is cushioned, the impact force has been reduced, be convenient for simultaneously carry out elasticity to the elastic airbag and press, and usable elastic potential energy is reciprocal to be pressed down, and then discharge the gas in the elastic airbag fast, the follow-up use of being convenient for.

(five), this hand propelled lawn mower, through arc passageway, arc body, air cavity, air jet, utilize the elasticity gasbag to be compressed the back gaseous discharge rapidly, and then pass through the air cavity with gaseous, and through the air jet blowout, and then blow off the moisture on the lawn plant, the glutinous of piece and leaf is glued when having reduced follow-up mowing, guarantees the sharpness of cutter blade, links whole device simultaneously, can not isolated existence, further is favorable to subsequent mowing, makes the high quality of mowing, has improved performance.

(six), this hand propelled lawn mower, through pivot, cutting disc, interface channel, antiseized device, interface channel can be smoothly with carrying the gas that contracts the gasbag combustion gas after compressing to exert on antiseized device through the produced atmospheric pressure of air current, and then realize preventing that piece and leaf from gluing on the cutting disc, link up entire system simultaneously, make full use of self kinetic energy, realize a plurality of functions, reduced the use to power parts, safe and reliable.

(seventh), this hand propelled lawn mower, through the shell fragment, the impact hammer, the bag of blowing, the mouth of blowing, receive the effort of atmospheric pressure after, deformation can take place for the shell fragment, and then promote the impact hammer to the inside striking of cutting disc, and then through the kinetic energy of striking, will adhere to the piece and the leaf on surface and shake down, can carry out reciprocal extrusion to the bag of blowing simultaneously, make inside gas discharge in the twinkling of an eye from the department of blowing, blow off the piece and the leaf on surface, realize utilizing multiple mode to carry out the automatic clearance simultaneously, keep the sharpness of cutter, make and mow thoroughly.

Drawings

FIG. 1 is a schematic view of the overall structure of the hand mower of the present invention;

FIG. 2 is a schematic view of the internal structure of the walk-behind mower of the present invention;

FIG. 3 is a schematic view of a carding unit of the walk-behind mower of the present invention;

FIG. 4 is a schematic view of a buffering mechanism of the lawn mower;

FIG. 5 is a schematic structural view of an arc plate air injection device of the hand mower;

FIG. 6 is a schematic view of a cutting device of the push mower of the present invention;

FIG. 7 is a schematic structural view of an anti-sticking device of the hand mower of the present invention;

fig. 8 is a sectional view a-a of fig. 2 of the walk-behind mower of the present invention.

In the figure: 1 machine body, 2 sliding push plate, 3 contraction air bag, 4 air flow channel, 5 carding device, 6 cutting device, 7 rotation connector, 51 comb block, 52 arc surface, 53 reinforcing rib, 54 gap, 55 buffer device, 551 cavity, 552 arc plate air injection device, 553 arc elastic piece, 554 elastic air bag, 555 elastic strip, 556 arc channel, 5521 arc plate body, 5522 air cavity, 5523 air injection port, 61 rotating shaft, 62 cutting disc, 63 connecting channel, 64 anti-sticking device, 641 elastic piece, 642 impact hammer, 643 air bag and 644 air injection port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-8, the present invention provides a technical solution: a hand-push mower comprises a mower body 1, wherein the mower body 1 is provided with a sliding push plate 2, a contraction air bag 3, an air flow channel 4, a carding device 5, a cutting device 6 and a rotary connector 7, the sliding push plate 2 is connected to one side of the top of the inner wall of the mower body 1 in a sliding manner, the contraction air bag 3 is arranged at the top of the inner wall of the mower body 1 and is positioned between the top of the surface of the sliding push plate 2 and the two sides corresponding to the inner wall of the mower body 1, the air flow channel 4 is arranged in the mower body 1 and is close to the top, one end of the air flow channel 4 is communicated with the end part of the contraction air bag 3, the carding device 5 is fixed at the bottom of the sliding push plate 2 through a connecting rod, the cutting device 6 is arranged in the mower body 1 and is far away from one side of the carding device 5, one end of the air flow channel 4, far from the contraction air bag 3, is connected with the top end of the cutting device 6 in a matching manner through the rotary connector 7, and hard objects can be pulled out in time through the carding device 5, avoid producing the striking, played the protection effect, protected machinery not damaged, also protected staff's personal safety simultaneously to reach the function of automatic clearance through cutting device 6, avoid piece or grass leaf to adhere on the cutter surface, make the cutting edge remain sharp state throughout, the cutting efficiency is high, has improved performance.

Carding unit 5 is equipped with comb piece 51, arcwall face 52, strengthening rib 53, breach 54, buffer 55, the corresponding both sides in comb piece 51 surface bottom are seted up to arcwall face 52, strengthening rib 53 sets up between the corresponding both sides of comb piece 51 inner wall, breach 54 is seted up on comb piece 51's surface and is located the position of arcwall face 52, buffer 55 sets up on comb piece 51's surface and is located the position of arcwall face 52, constantly remove the in-process, dial when hard thing, and then avoid colliding with the cutter, and arcwall face 52 can lead, promoted the rubble, the clearance of hard things such as branch.

Buffer 55 is equipped with cavity 551, arc board jet system 552, arc bullet 553, elasticity gasbag 554, elasticity strip 555, arc passageway 556, cavity 551 sets up on the surface of comb piece 51, arc board jet system 552 rotates to be connected on the surface of comb piece 51 and is located the position of cavity 551, arc bullet 553 fixes the inner wall at cavity 551, elasticity gasbag 554 sets up the inside at arc bullet 553, elasticity strip 555 fixes between the both sides that arc board jet system 552 and arc bullet 553 correspond, arc passageway 556 sets up the inside corresponding position of arc bullet 553 and elasticity strip 555, the one end of arc passageway 556 communicates with elasticity gasbag 554, make full use of self nature reach the effect of buffering, and then in time reduce the impact force, dissolve the impact force, press elasticity gasbag 554 simultaneously, make inside gas discharge fast, form the air current.

The arc-shaped plate air injection device 552 is provided with an arc-shaped plate body 5521, an air cavity 5522 and an air injection port 5523, the air cavity 5522 is arranged inside the arc-shaped plate body 5521, the air injection port 5523 is arranged on one side of the surface of the arc-shaped plate body 5521, the air injection cavity 5522 is communicated with one end of the arc-shaped channel 556 far away from the elastic air bag 554, water drops are blown off by quickly blowing air, the adhesion of the cutter during subsequent mowing is reduced,

the second embodiment:

cutting device 6 is equipped with pivot 61, cutting disc 62, interface channel 63, antiseized device 64, cutting disc 62 fixes the surface bottom at pivot 61, interface channel 63 is seted up in pivot 61, the inside corresponding position of cutting disc 62, antiseized device 64 sets up the tip position in the inside of cutting disc 62 and be located interface channel 63, in time clear up piece and leaf, prevent to glue on cutting disc 62, make full use of self kinetic energy, carry out automatic clearance, make the clearance convenient fast, time saving and labor saving.

The anti-sticking device 64 is provided with an elastic sheet 641, an impact hammer 642, an air blowing bag 643 and an air blowing opening 644, wherein the elastic sheet 641 is arranged in the connecting channel 63 and close to the end position, the impact hammer 642 is fixed on the surface of the elastic sheet 641 and is in sliding connection with the cutting disk 62, the air blowing bag 643 is arranged in the connecting channel 63 and is located at the position of the elastic sheet 641, the air blowing opening 644 is arranged on the surface edge of the cutting disk 62 and is communicated with the air blowing bag 643, scraps and leaves are blown off in time through high-speed air flow, meanwhile, vibration is generated through impact, the scraps and the leaves are cleaned in time, the scraps and the leaves are prevented from being stuck on the cutting disk 62, the whole system is connected together for matching use, and the kinetic energy of the whole system is fully utilized.

When in use, the mower is dragged to a lawn to be mowed, the motor is started, the cutting device 6 is driven to rotate at a high speed and is pushed to mow, at the moment, the sliding push plate 2 is driven to reciprocate through the positive and negative rotation of the servo motor and the matching transmission of the screw rod, hard objects such as broken stones, branches and the like are stirred and cleaned through the carding device 5 to avoid colliding with a cutter, and the buffer device 55 buffers the hard objects, the buffer effect is good by utilizing the elasticity of the arc-shaped elastic piece 553, the elastic air bag 554 and the elastic strip 555, the impact force of the hard objects on the carding device 5 is reduced, the self pressure-applying service life is prolonged, the air is rapidly discharged through the elastic air bag 554 to spray water drops on the grass blades, the adhesion of the cutter during subsequent mowing is reduced, the sharpness of the cutter is ensured, when the sliding push plate 2 moves in a reciprocating way, the contraction air bag 3 is compressed and stretched, air is blown into the connecting channel 63 rapidly, air pressure is applied to the anti-sticking device 64 fully, the anti-sticking device 64 prevents scraps and leaves from being stuck on the cutting disc 62, the elastic sheet 641 is pressed by high-speed air flow to deform the elastic sheet 641, the impact of the impact hammer 642 on the back of the cutting disc 62 generates vibration, the air blowing bag 643 is squeezed to blow out the air instantly, the scraps and the grass leaves are cleaned simultaneously through two modes of vibration and air flow, the sticking situation is avoided, especially, smooth cutting can be achieved, and the adaptability is high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hand propelled lawn mower, includes organism (1), its characterized in that: organism (1) is equipped with slip push pedal (2), shrink gasbag (3), air current channel (4), carding unit (5), cutting device (6), rotates connector (7), slip push pedal (2) sliding connection is in inner wall top one side of organism (1), shrink gasbag (3) set up at the inner wall top of organism (1) and lie in between the corresponding both sides of slip push pedal (2) surface top and organism (1) inner wall, air current channel (4) are seted up in the inside of organism (1) and are close to the top position, the one end of air current channel (4) and the tip intercommunication of shrink gasbag (3), carding unit (5) are fixed in the bottom of slip push pedal (2) through the connecting rod, cutting device (6) set up in the inside of organism (1) and keep away from one side of carding unit (5), the one end that shrink gasbag (3) were kept away from to air current channel (4) is through rotating connector (7) and cutting device (6) The top ends of the two are connected in a matching way;

the carding device (5) is provided with a comb block (51), an arc-shaped face (52), reinforcing ribs (53), notches (54) and a buffer device (55), wherein the arc-shaped face (52) is arranged on two corresponding sides of the bottom of the surface of the comb block (51), the reinforcing ribs (53) are arranged between two corresponding sides of the inner wall of the comb block (51), the notches (54) are arranged on the surface of the comb block (51) and located at the position of the arc-shaped face (52), and the buffer device (55) is arranged on the surface of the comb block (51) and located at the position of the arc-shaped face (52);

the buffering device (55) is provided with a cavity (551), an arc plate air injection device (552), an arc elastic piece (553), an elastic air bag (554), an elastic strip (555) and an arc channel (556), the cavity (551) is arranged on the surface of the comb block (51), the arc plate air injection device (552) is rotatably connected to the surface of the comb block (51) and located at the position of the cavity (551), the arc elastic piece (553) is fixed on the inner wall of the cavity (551), the elastic air bag (554) is arranged inside the arc elastic piece (553), the elastic strip (555) is fixed between two corresponding sides of the arc plate air injection device (552) and the arc elastic piece (553), the arc channel (556) is arranged at the corresponding positions inside the arc elastic piece (553) and the elastic strip (555), and one end of the arc channel (556) is communicated with the elastic air bag (554).

2. A push mower as claimed in claim 1, wherein: the arc-shaped plate air injection device (552) is provided with an arc-shaped plate body (5521), an air cavity (5522) and an air injection port (5523), wherein the air cavity (5522) is formed in the arc-shaped plate body (5521), the air injection port (5523) is formed in one side of the surface of the arc-shaped plate body (5521), and the air cavity (5522) is communicated with one end, far away from the elastic air bag (554), of the arc-shaped channel (556).

3. A push mower as claimed in claim 2, wherein: the air nozzles (5523) are uniformly distributed on the surface of the arc-shaped plate body (5521), and the air nozzles (5523) are communicated with the air cavity (5522).

4. A push mower as claimed in claim 1, wherein: cutting device (6) are equipped with pivot (61), cutting dish (62), interface channel (63), antiseized device (64), the surface bottom at pivot (61) is fixed in cutting dish (62), interface channel (63) are seted up in pivot (61), the inside corresponding position of cutting dish (62), antiseized device (64) set up in the inside of cutting dish (62) and are located the tip position of interface channel (63).

5. A push mower as claimed in claim 4, wherein: the anti-sticking device (64) is provided with an elastic sheet (641), an impact hammer (642), an air blowing bag (643) and an air blowing opening (644), the elastic sheet (641) is arranged inside the connecting channel (63) and close to the end position, the impact hammer (642) is fixed on the surface of the elastic sheet (641) and is in sliding connection with the cutting disk (62), the air blowing bag (643) is arranged inside the connecting channel (63) and is located at the position of the elastic sheet (641), and the air blowing opening (644) is arranged on the surface edge of the cutting disk (62) and is communicated with the air blowing bag (643).