CN209390687U - A kind of grass mower - Google Patents

Abstract

The utility model relates to a kind of grass mower, including pedestal, base upper surface is equipped with No.1 fixed plate, No.1 fixed plate is horizontal positioned, No.1 fixed plate is fixedly connected with the side of motor output end, motor output end is fixedly connected with knife bar one end, knife bar is connect through pedestal and with base rotation, the knife bar other end is fixedly connected with multiple blades, No.1 fixed plate upper surface both ends offer threaded hole, the screw rod connecting with base rotation is threaded in threaded hole, pedestal is equipped with the driving assembly that the fixation kit of No.1 fixed plate and screw rod is auxiliarily fixed and drives screw turns.In this programme, when two screw rods rotate in same direction simultaneously, No.1 fixed plate is limited, it is difficult to rotate with the rotation of any screw rod, No.1 fixed plate is rotated with screw rod and gone up and down, and the lifting of No.1 fixed plate drives motor lifting, the lifting belt moving knife bar of motor is gone up and down, the height and position that knife bar cutter is adjusted with this, trims grass, to reach good trimming effect.

Description

A kind of grass mower

Technical field

The utility model relates to the technical fields of graden machine, more particularly, to a kind of grass mower.

Background technique

Grass mower is called weeder, grass trimmer, lawn mower etc., be it is a kind of for cutting the grass on a lawn, the mechanic of vegetation Tool.The invention of grass mower saves the activity duration of weeding worker, reduces a large amount of human resources, improves agricultural production Efficiency.

Currently, the Chinese utility model patent that notification number is CN204733588U discloses a kind of mechanical gardens trolley Lawn collator, including pedestal, gasoline engine, Handleset, idler wheel and cutter assembly, the gasoline engine and Handleset are set to On pedestal, the idler wheel is set to the bottom of pedestal, and the cutter assembly is set to the front end of pedestal, and cutter assembly passes through transmission mechanism It is connected to gasoline engine, cutter assembly upper end is equipped with grass guard, and cutter assembly is connected with grass cutting collection box, is additionally provided with oil on the pedestal Case, gasoline engine are connect with fuel tank, and the grass cutting collection box is equipped with headlamp, and the cutter assembly includes blade bearing, mowing piece, blade Seat outside be equipped with blade install sheath, mowing piece by fixing bolt be mounted on blade installation it is intrathecal.

Above-mentioned technical proposal, mechanical gardens trolley lawn collator at work, drive cutter by gasoline engine Assembly rotation, when work, two blades are mutually inversely rotated inward, and can rapidly cut off turf and be sent into what pedestal was equipped with In grass cutting collection box, realize forage cut off and collection work, time saving and energy saving, the fuel tank that the pedestal is equipped with can store a large amount of vapour Oil guarantees that the long time continuous working of grass trimmer, the headlamp that the Handleset is equipped with also can convenient for grass trimmer at night Continuous work increases its use scope.But above-mentioned technical proposal is in use, carries out to the higher-height lawn of grass When cutting grass processing, cutter assembly is highly easily blocked compared with top grass；When carrying out cutting grass processing to a lower height of lawn of grass, cutter is total At being difficult to cut off a lower height of grass, the trimming effect to lawn is affected.

Utility model content

The purpose of the utility model is to provide a kind of grass mower, are adjustable cutting range, have good trimming effect.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of grass mower, including Pedestal, the base upper surface are equipped with No.1 fixed plate, and the No.1 fixed plate is horizontal positioned, the No.1 fixed plate and motor The side of output end is fixedly connected, and the motor output end is fixedly connected with knife bar one end, the knife bar through the pedestal and It is connect with the base rotation, the knife bar other end is fixedly connected with multiple blades, and No.1 fixed plate upper surface is opposite Both ends offer threaded hole respectively, and screw rod is threaded in the threaded hole, and the screw rod is connect with the base rotation, institute It states pedestal and is equipped with the fixation kit that the No.1 fixed plate and the screw rod is auxiliarily fixed, the pedestal is equipped with described in driving The driving assembly of screw rod rotation.

By using above-mentioned technical proposal, both ends are opened up in No.1 fixed plate upper surface and open up threaded hole, and screw thread respectively Screw rod is threaded in hole, when two screw rods rotate in same direction simultaneously, No.1 fixed plate is limited, it is difficult to be turned with any screw rod It moves and rotates.When driving assembly drives screw rod, screw rod is rotated, and No.1 fixed plate is rotated with screw rod and gone up and down, and No.1 is solid Fixed board lifting drives motor lifting, and the lifting belt moving knife bar lifting of motor adjusts the height and position of knife bar cutter with this, thus Adjust cutting range.For the higher-height lawn of grass, screw rod rotation rises blade height position, to higher-height grass with Certain difference in height is successively cut off, and higher-height grass is avoided to block blade；Lawn a lower height of for grass, screw rod are reversed Rotation makes blade height position drop to the height and position that can be trimmed to grass, trims to grass.Operator is according to certainly Body demand adjusts blade height position, grass is trimmed to height required for operator, to reach good trimming effect.

The utility model is further arranged to: the fixation kit include No. four fixed plates and with the base upper surface No. two fixed plates and No. three fixed plates being fixedly connected, No. two fixed plates and No. three fixed plates be it is vertical place and Parallel to each other, No. two fixed plates and No. three fixed plates are respectively with No.1 fixed plate close to the two sides phase of the screw rod Cut, No. four fixed plates be it is horizontal positioned, No. two fixed plate tops and No. three fixed plate tops are all with described four Number fixed plate lower surface is fixedly connected, and the screw tip and No. four fixed plates are rotatablely connected.

By using above-mentioned technical proposal, No. two fixed plates and No. three fixed plates are respectively set in No.1 fixed plate two sides, The rotation of limitation No.1 fixed plate is assisted with this；Screw rod and No. four fixed plate rotations connect, and increase the rotation supporting point of screw rod, The power for being subject to screw rod in rotation more evenly, is not easy to be broken off, to prolong the service life.

The utility model is further arranged to: the driving component include the worm gear being fixedly connected with the screw rod and with The worm screw of the worm gear engagement, described worm screw one end and No. three fixed plates are rotatablely connected, and the worm screw other end runs through institute State No. two fixed plates.

By using above-mentioned technical proposal, when the worm is rotated, the worm gear engaged with worm screw is rotated with worm screw and is rotated, snail Wheel rotation drives the screw rod rotation being fixedly connected with worm gear, and the purpose driven screw turns is realized with this.

The utility model is further arranged to: the worm screw is fixedly connected with through one end of No. two fixed plates to be turned Axis, the shaft are vertical with the worm screw.

By using above-mentioned technical proposal, exposed one end of worm screw is fixedly connected with shaft, and operator passes through rotating shaft Carry out rotary worm, so that screw rod be made to rotate, operator is facilitated to adjust grass mower

The utility model is further arranged to: being fixedly connected between No. two fixed plates and No. three fixed plates useful In the restriction plate for limiting the motor height and position, the screw rod and the restriction plate are rotatablely connected.

Operator's tune is prevented by setting restriction plate come limiting motor height and position by using above-mentioned technical proposal The height and position of section motor is excessively high to touch blade mutually with base lower surface, leads to blade or the unnecessary damage of pedestal.

The utility model is further arranged to: the pedestal two sides are respectively fixedly connected with for limiting grass cuttings scattering Grass guard.

By using above-mentioned technical proposal, when motor works, knife bar rotates under motor driven, and knife bar rotation, which drives, to be fixed Blade rotation on knife bar, trims grass.Grass is trimmed while effectively limiting grass cuttings using grass guard and is scattered around, Facilitate processing of the operator to subsequent grass cuttings.

The utility model is further arranged to: sliding is connected with the collecting vessel for placing grass cuttings in the pedestal, described Base lower surface is fixedly connected with the inclined plate for collecting grass cuttings, and the base lower surface offers No.1 hole, the No.1 hole Open at one end to communicate with collecting vessel opening, another end opening in No.1 hole and the inclined plate are tangent, table on the pedestal Face offers No. two holes, and protective net is fixedly connected in No. two holes, is communicated inside No. two holes and collecting vessel, described No. two Exhaust fan is equipped with right above hole, the exhaust fan is fixedly connected with the base upper surface.

By using above-mentioned technical proposal, when exhaust fan work, exhaust fan extracts the air in collecting vessel and passes through No. two Hole discharges, and air pressure and ambient pressure in collecting vessel is made to form draught head.Under the action of draught head, outside air passes through one Number hole enters in collecting vessel, while air enters, grass cuttings is brought into collecting vessel, the setting of protective net ensures that exhaust fan will not Grass cuttings are sucked out from collecting vessel by No.1 hole, the setting of garbage collection bucket makes operator not need the rubbish to cleaning It is collected, saves the working time, improve working efficiency.

The utility model is further arranged to: the base bottom is equipped with roll wheel assembly, and the roll wheel assembly includes universal Wheel and directional wheel, the directional wheel are equipped with the stopping component for brake, and the stopping component includes and the base rotation The braking vane of connection and it is fixed with limited post with the braking vane lower surface, is offered on the directional wheel wheel hub for the limit The notch of position column insertion.

By using above-mentioned technical proposal, universal wheel and directional wheel are installed in base bottom, is changed using universal wheel and is moved Direction carries out the movement of different directions to grass mower.The stopping component of braking vane and limited post and composition is equipped on directional wheel. When grass mower is when acclive ground is placed, the mating fixed to limit of the notch on limited post and directional wheel wheel hub is utilized Rotation to wheel, to achieve the purpose that limit grass mower movement.

The utility model is further arranged to, and is fixed with spring between the braking vane and the pedestal.

By using above-mentioned technical proposal, spring is installed between braking vane and pedestal, both ends of the spring respectively with limit plate Lower surface, base outer wall are fixed, and when reset, operator need to only dial up braking vane, thrust and spring of the braking vane in people Elastic force effect under automatically reset, convenient for next time use.

In conclusion the advantageous effects of the utility model are as follows:

1. in the present solution, No.1 fixed plate is limited, it is difficult to any screw rod when two screw rods rotate in same direction simultaneously It rotates and rotates, No.1 fixed plate is rotated with screw rod and gone up and down, and the lifting of No.1 fixed plate drives motor to go up and down, the lifting belt of motor The lifting of moving knife bar, the height and position of knife bar cutter is adjusted with this, is trimmed to grass, to reach good trimming effect；

2. by setting restriction plate come limiting motor height and position, the height and position for preventing operator from adjusting motor is excessively high It touches blade mutually with base lower surface, leads to blade or the unnecessary damage of pedestal；

3. installing spring between braking vane and pedestal, both ends of the spring is fixed with limit plate lower surface, base outer wall respectively, When reset, operator need to only dial up braking vane, and braking vane automatically resets under the thrust of people and the elastic force effect of spring, It is used convenient for next time.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the present embodiment；

Fig. 2 is the schematic diagram of the section structure of the present embodiment；

Fig. 3 is to stop component structure diagram in the present embodiment.

In figure: 2, pedestal；221, No.1 fixed plate；211, threaded hole；22, motor；23, screw rod；24, No.1 hole；25, tiltedly Plate；26, No. two holes；261, protective net；27, grass guard；28, handrail；29, exhaust fan；3, fixation kit；31, No. two fixed plates； 32, No. three fixed plates；321, restriction plate；33, No. four fixed plates；4, driving assembly；41, worm gear；42, worm screw；421；Shaft；5, Knife bar；51, blade；6, collecting vessel；62, U-shaped handle；7, roll wheel assembly；71, universal wheel；72, directional wheel；721, notch；8, stop Only component；81, braking vane；82, limited post；9, spring.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Figure 1, being a kind of grass mower disclosed by the utility model, including pedestal 2, as shown in connection with fig. 2, on pedestal 2 Surface offers No. two holes 26, and No. two holes 26 are circular through-hole.No. two 26 inner walls of hole are fixedly connected with protective net 261.No. two holes Exhaust fan 29 is equipped with right above 26, exhaust fan 29 is fixedly connected with 2 upper surface of pedestal.2 upper surface of pedestal is horizontally disposed No.1 Fixed plate 21, No.1 fixed plate 21 are rectangle tabular structure, and 21 upper surface center of No.1 fixed plate and motor 22 export The side at end is fixedly connected.22 output end of motor is fixedly connected with 5 one end of knife bar, and knife bar 5 is cylindrical structure, and knife bar 5 runs through It pedestal 2 and is rotatablely connected with pedestal 2,5 other end of knife bar is fixedly connected with multiple blades 51.21 upper surface of No.1 fixed plate is opposite Both ends offer threaded hole 211 respectively, and threaded hole 211 is circular through-hole, have screw thread on inner wall.Spiral shell in threaded hole 211 Line is connected with screw rod 23, and screw rod 23 is cylindrical structure, has screw thread thereon.23 bottom end of screw rod and pedestal 2 are rotatablely connected.Screw rod 23 rotations, No.1 fixed plate 21 are rotated with screw rod 23 and are gone up and down, and the lifting of No.1 fixed plate 21 drives motor 22 to go up and down, motor 22 Lifting belt moving knife bar 5 is gone up and down, and the height and position of 5 cutter 51 of knife bar is adjusted with this, to adjust cutting range.For natural plant height degree Higher lawn, the rotation of screw rod 23 rise 51 height and position of blade, are come successively to higher-height grass with certain difference in height It cuts off, higher-height grass is avoided to block blade 51；Lawn a lower height of for grass, screw rod 23, which rotates backward, keeps blade 51 high Degree position drops to the height and position that can be trimmed to grass, trims to grass.Operator adjusts knife according to self-demand Grass is trimmed to height required for operator, to reach good trimming effect by 51 height and position of piece.

As shown in Figure 1 and Figure 2, pedestal 2 is equipped with the fixation kit 3 that No.1 fixed plate 21 and screw rod 23 is auxiliarily fixed, fixed Component 3 includes 33, No. two fixed plates 31 of No. four fixed plates and No. three fixed plates 32.31, No. three 32 and of fixed plate of No. two fixed plates No. four fixed plates 33 are all rectangle tabular structure.No. two fixed plates 31 and No. three fixed plates 32 are all fixed with 2 upper surface of pedestal Connection, No. two fixed plates 31 are vertical placement and parallel to each other, No. two fixed plates 31 and No. three fixations with No. three fixed plates 32 Plate 32 is tangent close to the two sides of screw rod 23 with No.1 fixed plate 21 respectively, and No.1 fixed plate 21 and No. two slidings of fixed plate 31 connect It connects, No.1 fixed plate 21 and No. three slidings of fixed plate 32 connect.It is fixedly connected between No. two fixed plates 31 and No. three fixed plates 32 There is the restriction plate 321 for 22 height and position of limiting motor, restriction plate 321 is rectangle tabular structure and horizontal positioned, screw rod 23 are rotatablely connected with restriction plate 321.No. four fixed plates 33 are horizontal positioned, No. two 31 tops of fixed plate and No. three tops of fixed plates 32 End is all fixedly connected with No. four 33 lower surfaces of fixed plate, and 23 top of screw rod is rotatablely connected with No. four fixed plates 33.

Pedestal 2 is equipped with the driving assembly 4 that driving screw rod 23 rotates.Driving assembly 4 includes worm gear 41 and worm screw 42.Worm gear 41 and worm screw 42 be higher than restriction plate 321, worm gear 41 be annular plate-like structure, outer peripheral sidewall have screw thread, worm gear 41 and screw rod 23 are fixedly connected.Worm screw 42 is cylindrical structure, has screw thread thereon, and worm screw 42 is meshed with worm gear 41,42 one end of worm screw and No. three fixed plates 32 are rotatablely connected, and 42 other end of worm screw runs through No. two fixed plates 31.Worm screw 42 runs through the one of No. two fixed plates 31 End is fixedly connected with shaft 421, and shaft 421 is cylindrical structure, and shaft 421 and worm screw 42 are orthogonal.When worm screw 42 rotates When, the worm gear 41 engaged with worm screw 42 is rotated with worm screw 42 and is rotated, and the rotation of worm gear 41 drives the spiral shell being fixedly connected with worm gear 41 Bar 23 rotates, and realizes the purpose that driving screw rod 23 rotates with this.

Sliding is connected with the collecting vessel 6 for placing grass cuttings in pedestal 2, and collecting vessel 6 is rectangular parallelepiped structure, in conjunction with Fig. 1 institute Show, be hinged on side wall convenient for pick and place U-shaped handle 62, No. two holes 26 it is open at one end with communicated inside collecting vessel 6.Pedestal 2 Front and rear sides face is respectively fixedly connected with the grass guard 27 for limiting grass cuttings scattering, and grass guard 27 is rectangle tabular structure. 2 lower surface of pedestal is fixedly connected with the inclined plate 25 for collecting grass cuttings, and inclined plate 25 is rectangle tabular structure.2 following table of pedestal Diagonally upper direction offers No.1 hole 24 in face, and the rectangular through-hole in No.1 hole 24, No.1 hole 24 is open at one end to open with collecting vessel 6 Mouth communicates, and another end opening in No.1 hole 24 and inclined plate 25 are tangent.

As shown in Figure 1,2 lower surface of pedestal is equipped with roll wheel assembly 7, roll wheel assembly 7 includes universal wheel 71 and directional wheel 72.Ten thousand It is all cylindrical structure to wheel 71 and directional wheel 72.As shown in connection with fig. 3, directional wheel 72 is equipped with the stopping component 8 for brake, Stopping component 8 includes braking vane 81 and limited post 82.Braking vane 81 is rectangle tabular structure, braking vane 81 and 2 side of pedestal Wall rotation connection.Limit plate lower surface is fixedly connected with 9 one end of spring, and 9 other end of spring is fixedly connected with 2 outer wall of pedestal.Limit Position column 82 is cylindrical structure, and limited post 82 is fixedly connected with 81 lower surface of braking vane.It is offered on 72 wheel hub of directional wheel for limit The notch 721 that position column 82 is inserted into.When grass mower is when acclive ground is placed, using on limited post 82 and 72 wheel hub of directional wheel The mating of notch 721 limit the rotation of directional wheel 72, to achieve the purpose that limit grass mower mobile.

When the present embodiment is in use, operator is according to reality, such as the height of grass is higher or careless needs are trimmed to A certain height, rotating shaft 421 make driving assembly 4 that screw rod 23 be driven to rotate with this；When two screw rods 23 rotate in same direction simultaneously When, No.1 fixed plate 21 is limited, it is difficult to be rotated with the rotation of any screw rod 23.No.1 fixed plate 21 with screw rod 23 rotate and Lifting, the lifting of No.1 fixed plate 21 drive motor 22 to go up and down, and the lifting belt moving knife bar 5 of motor 22 is gone up and down, and are adjusted on knife bar 5 with this The height and position of blade 51, trims grass, to reach good trimming effect.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (9)

1. a kind of grass mower, including pedestal (2), it is characterised in that: pedestal (2) upper surface is equipped with No.1 fixed plate (221), The No.1 fixed plate (221) is horizontal positioned, and the side of the No.1 fixed plate (221) and motor (22) output end is fixed to be connected Connect, motor (22) output end is fixedly connected with knife bar (5) one end, the knife bar (5) through the pedestal (2) and with it is described Pedestal (2) rotation connection, knife bar (5) other end is fixedly connected with multiple blades (51), on the No.1 fixed plate (221) Surface opposite end offers threaded hole (211) respectively, is threaded with screw rod (23), the spiral shell in the threaded hole (211) Bar (23) and the pedestal (2) are rotatablely connected, and the pedestal (2) is equipped with and the No.1 fixed plate (221) and institute is auxiliarily fixed The fixation kit (3) of screw rod (23) is stated, the pedestal (2) is equipped with the driving assembly (4) for driving screw rod (23) rotation.

2. grass mower according to claim 1, it is characterised in that: the fixation kit (3) includes No. four fixed plates (33) And No. two fixed plates (31) and No. three fixed plates (32) being fixedly connected with the pedestal (2) upper surface, No. two fixations Plate (31) and No. three fixed plates (32) be it is vertical place and parallel to each other, No. two fixed plates (31) and No. three described Fixed plate (32) is tangent with the two sides of No.1 fixed plate (221) close the screw rod (23) respectively, No. four fixed plates (33) be it is horizontal positioned, No. two fixed plates (31) top and No. three fixed plates (32) top all with No. four fixations Plate (33) lower surface is fixedly connected, and screw rod (23) top and No. four fixed plates (33) are rotatablely connected.

3. grass mower according to claim 2, it is characterised in that: the driving component (4) includes and the screw rod (23) The worm gear (41) being fixedly connected and the worm screw (42) engaged with the worm gear (41), described worm screw (42) one end with described No. three Fixed plate (32) rotation connection, worm screw (42) other end run through No. two fixed plates (31).

4. grass mower according to claim 3, it is characterised in that: the worm screw (42) runs through No. two fixed plates (31) One end be fixedly connected with shaft (421), the shaft (421) is vertical with the worm screw (42).

5. grass mower according to claim 2, it is characterised in that: No. two fixed plates (31) and No. three fixed plates (32) restriction plate (321) for limiting the motor (22) height and position, the screw rod (23) and institute are fixedly connected between State restriction plate (321) rotation connection.

6. grass mower according to claim 1, it is characterised in that: pedestal (2) two sides are respectively fixedly connected with useful In the grass guard (27) of limitation grass cuttings scattering.

7. grass mower according to claim 1, it is characterised in that: sliding is connected with for placing grass in the pedestal (2) The collecting vessel (6) of bits, pedestal (2) lower surface are fixedly connected with the inclined plate (25) for collecting grass cuttings, the pedestal (2) Lower surface offers No.1 hole (24), and the No.1 hole (24) is open at one end to be communicated with the collecting vessel (6) opening, the No.1 Hole (24) another end opening and the inclined plate (25) are tangent, and pedestal (2) upper surface offers No. two holes (26), and described two It is fixedly connected protective net (261) in number hole (26), No. two holes (26) communicate with collecting vessel (6) inside, No. two holes (26) exhaust fan (29) are equipped with right above, the exhaust fan (29) is fixedly connected with the pedestal (2) upper surface.

8. grass mower according to claim 1, it is characterised in that: pedestal (2) bottom is equipped with roll wheel assembly (7), institute Stating roll wheel assembly (7) includes universal wheel (71) and directional wheel (72), and the directional wheel (72) is equipped with the stopping group for brake Part (8), it is described stop component (8) include with the pedestal (2) rotation connection braking vane (81) and with the braking vane (81) lower surface is fixed with limited post (82), and lacking for the limited post (82) insertion is offered on directional wheel (72) wheel hub Mouth (721).

9. grass mower according to claim 8, it is characterised in that: solid between the braking vane (81) and the pedestal (2) Surely there are spring (9).