CN102217455B - Multifunctional grass trimmer - Google Patents
Multifunctional grass trimmer Download PDFInfo
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- CN102217455B CN102217455B CN2011100880718A CN201110088071A CN102217455B CN 102217455 B CN102217455 B CN 102217455B CN 2011100880718 A CN2011100880718 A CN 2011100880718A CN 201110088071 A CN201110088071 A CN 201110088071A CN 102217455 B CN102217455 B CN 102217455B
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Abstract
The invention discloses a multifunctional grass trimmer which belongs to a landscaping tool for lawn cutting, and mainly comprises a grass trimming head, a cutter knife tackle, a connecting bar, an expansion link, a main handle and a secondary handle, etc. The four connection positions of the grass trimmer are mainly improved; the lower fixed-angle rotating regulation of the connecting bar relative to the grass trimming head, the fixed-angle rotating regulation of the grass trimming head relative to the main handle, the fixed-angle rotating regulation of the secondary handle relative to the main handle and the fixed-angle rotating regulation of a trolley component relative to the expansion link are respectively improved, wherein the trolley component can be mounted according to use demands; the use demands of the grass trimmer on any occasion can be satisfied according to the regulations on the four regulation positions; moreover, the cutting working status like different heights and different grass trimming head angles are formed; moreover, the improved structure has the advantages of simple operation, effort saving and powerful regulation function, and can sufficiently satisfy the use demands of customers.
Description
Technical field
The present invention relates to the mower in a kind of afforestation instrument, be meant a kind of multifunctional grass mowing machine specifically.
Background technology
Mower is a kind of afforestation instrument that is used for the lawn cutting, prunes; Mainly constitute by moving head, cutter group, connecting rod, expansion link, main handle and auxiliary-handle etc.; Through opening safety switch and the started by press button on the main handle; Just can handle the machine operation in the moving head, motor shaft just can drive the cutter group and form the rotation cutting.
And mower often need satisfy the high and low adjusting of moving head and rotate the use needs of regulating in real work; Some mower also need install roll wheel assembly additional so that work is more laborsaving, but the mower that uses at present receives structural limitations, does not possess this multi-functional regulating measure; So often can't use in some specific occasions; And roll wheel assembly can only be in an angle at moving head and could use, can use such as horizontal resection, but when needs rotation moving head vertically cuts; Can only roll wheel assembly be unloaded, so operation bothers very much.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective of prior art and provides a kind of simple to operate, laborsaving, can carry out the high and low adjusting of multi-angle and the multifunctional grass mowing machine that rotation is regulated, regulatory function is powerful flexibly
Technical problem of the present invention realizes through following technical scheme:
A kind of multifunctional grass mowing machine comprises moving head, cutter group, connecting rod, expansion link, main handle and auxiliary-handle; Be provided with motor in the described moving head; Said cutter group is installed in the moving head bottom; It comprises the knife rest that is connected with the motor shaft of motor; It is the blade that circumference uniform distribution is made at the center with the motor shaft that this knife rest is provided with a plurality of, is equipped with installing hole on each blade, is equipped with in this installing hole blade is connected the connecting pin on the knife rest; Described connecting rod is decided angular turn and is connected the moving head rear portion; Bar and outer bar in described expansion link comprises, this interior bar front end plug-in mounting is connected on the connecting rod, and interior rod rear end movable set is outside in the bar, and rod rear end is provided with anti-drop device in this; Be provided with the telescopic locking device between the described inside and outside bar; Described main handle is installed to the expansion link rear portion, and this main handle is provided with start button and the safety switch that drives the work of cutter group, also is provided with power brick; Described auxiliary-handle is installed on the main handle; The angular turn syndeton of deciding at described connecting rod and moving head rear portion is that the relative moving head of connecting rod is made the upper and lower angular turn of deciding; Mainly be included in the connecting rod front portion and be provided with circular preceding connector, this preceding connector is provided with the preceding connecting hole of doing the level perforation along the center of circle; Described moving head rear portion also is provided with circular back connector, also is provided with the back connecting hole of doing the level perforation along the center of circle in this back connector; Connector is connected with the back connector before described, preceding connecting hole and back connecting hole overlapping perforation, and this preceding connecting hole with after be equipped with the locating slot of a plurality of circumference uniform distributions on the hole wall of connecting hole; Connecting hole and back also are provided with the locking press button of spring push in the connecting hole before described, and this locking press button is provided with the raised line of a plurality of circumference uniform distributions outward, and this raised line respectively with forward and backward connecting hole in locating slot equipped mutually;
Also be provided with between the described inside and outside bar and decide the angular turn adjusting device; Should decide the angular turn adjusting device and comprise the back coupling sleeve; This back coupling sleeve is plugged on outer bar front end, and and interior bar between form the oriented movable suit, the location that on the coupling sleeve of back, is provided with a plurality of circumference uniform distributions lacks; And on the back coupling sleeve outer wall that adjacent positioned lacks, be provided with a limited ring groove, be provided with two spacing muscle in this limited ring groove; Described outer bar is provided with and the small square hole of said limited ring groove over against setting; Outer bar is set with spacer shell outward; This spacer shell is provided with the big square hole of small square hole on the positive outer pole; In big square hole, be equipped with and receive the axially keeper of pushing tow backward of little spring, this keeper is provided with to the disjunctor side's muscle that extends below, and the small square hole that should side's muscle passes outer bar is fitted in the limited ring groove; The front end face of described spacer shell is provided with said location and lacks equipped projection, and spacer shell is provided with the rotary sleeve of orienting cover dress outward, and this rotary sleeve inwall is provided with recessed triangular groove, the corresponding protruding triangle muscle that is equipped with said recessed triangular groove that is provided with at the spacer shell outer wall;
Do decide angular turn between described auxiliary-handle and the main handle and be connected, this structure mainly is included on two contact-making surfaces that auxiliary-handle is connected with main handle and is respectively equipped with connection strap and the draw-in groove that is equipped with mutually.
The preceding connector of described connecting rod is provided with limited block, correspondingly on the back connector of moving head, is provided with two limiting stands, and these two limiting stands and said limited block constitute the relative moving head of connecting rod jointly and make to decide the stroke limit of angular turn; The described connecting rod head-turned angle of beating the grass relatively is respectively 0 °, 22.5 °, 45 ° and 67.5 °.
Small square hole on the described outer bar has two; Also there are two with small square hole over against the big square hole that is provided with on the described spacer shell, and are that the center is symmetrically distributed, be respectively equipped with first keeper and second keeper in these two big square holes with the axle center of spacer shell; Described first keeper has to the first party muscle that extends below, and the small square hole that this first party muscle passes on the outer bar is fitted in the limited ring groove; Described second keeper has to the second party muscle that extends below, and this second party muscle is fitted in another small square hole on the outer bar; Rotate between two spacing muscle of first party muscle in described first keeper in limited ring groove, this rotational angle is 0 °, 90 ° and 180 °.
The orienting cover assembling structure of described spacer shell and rotary sleeve is on the outer wall of spacer shell, to be provided with two straight muscle that are provided with vertically, the corresponding straight trough that is provided with two settings vertically and is equipped with said straight muscle at the rotary sleeve inwall; Described two straight muscle are that the center is symmetrically distributed with the axle center of spacer shell, and each straight muscle is arranged on each projection respectively.
After comprising, described telescopic locking device extends into pyramidal preceding coupling sleeve on the coupling sleeve forward; The leading section of coupling sleeve is provided with the elastic opening groove of a plurality of circumference uniform distributions before being somebody's turn to do; Preceding coupling sleeve is provided with the locking nut that is threaded outward, is provided with the taper hole equipped mutually with the cone-shaped leading section of said preceding coupling sleeve in this locking nut.
Described anti-drop device comprise be inserted in the fixed cover of rod rear end, on the fixed cover outer wall, be provided with locked groove, this locked groove forms to be connected with lock hook on the interior bar and fixes; Described fixed cover external diameter is provided with through wires hole greater than interior bar external diameter and less than outer bar internal diameter at the fixed cover middle part.
On the described connecting rod roll wheel assembly is installed, this roll wheel assembly comprise oriented movable be sleeved on the connecting rod fixed mount with decide angular turn and be connected the wheel support on the fixed mount, on this wheel support roller is installed; The oriented movable suit of described fixed mount and connecting rod is on the outer wall of connecting rod, to be provided with a plurality of grooves that extend vertically and make circumference uniform distribution; The corresponding sleeve joint hole that on fixed mount, is provided with, also be provided with on the hole wall of this sleeve joint hole vertically extend and with the convex tendon of said groove oriented movable suit; Described wheel support is on two contact-making surfaces that wheel support is connected with fixed mount, to be respectively equipped with equipped mutually dowel and link slot with the angular turn connection of deciding of fixed mount.
The axis angle of sleeve joint hole is respectively 55 °, 90 °, 125 ° and 180 ° in described wheel support and the fixed mount.
Also be provided with elastic button on the outer wall of described connecting rod, this elastic button is provided with barb, the corresponding lockhole that is equipped with said barb that on fixed mount, is provided with.
Described blade is a plastic blade, and the installing hole on this blade is big installing hole and the little installing hole that interconnects; Described connecting pin has big end and the small end that is multidiameter, and this small end clamps and is connected in the little installing hole.
Compared with prior art; The present invention mainly is that four link positions to mower improve; Respectively with the relative moving head of connecting rod do upper and lowerly to decide that angular turn is regulated, the relative main handle of moving head does decide that angular turn is regulated, the relative main handle of auxiliary-handle is made decide angular turn and regulated relative expansion link work with roll wheel assembly and decide the angular turn adjusting; Wherein roll wheel assembly can be installed according to the use needs; Can satisfy the use needs of mower in various occasions through the adjusting of four adjusting positions, and formation is highly different, the moving head angle is not cut duty on an equal basis, the structure after the improvement has simple to operate, laborsaving; The advantage that regulatory function is powerful fully satisfies consumer's use needs.
Description of drawings
Fig. 1 is a structural representation of the present invention.(installing roll wheel assembly)
Fig. 2 is the structural representation of cutter group.
Fig. 3 is the upward view of Fig. 2.
Fig. 4 is the sectional structure sketch map of cutter group.
Fig. 5 is the structural representation of blade.
Fig. 6 is the structural representation of connecting pin.
Fig. 7 is the syndeton sketch map of moving head and connecting rod.(shedding the cutter group)
Fig. 8 is the A-A cutaway view of Fig. 7.
Fig. 9 is the structural representation of moving head.
Figure 10 is the structural representation of connecting rod.
Figure 11 is the right view of Figure 10.
Figure 12 is the structural representation of locking press button.
Figure 13 is the left view of Figure 12.
Figure 14 is the structural representation of roll wheel assembly.
Figure 15 is the B-B cutaway view of Figure 14.
Figure 16 is the right view of Figure 14.
Figure 17 sheds the structural representation of fixed mount and roller for roll wheel assembly.
Figure 18 is the C-C cutaway view of Figure 17.
Figure 19 is the syndeton sketch map of first kind of oriented movable suit of connecting rod and fixed mount.
Figure 20 is the syndeton sketch map of second kind of oriented movable suit of connecting rod and fixed mount.
Figure 21 is the structural representation of wheel support relative fixed frame rotational angle.
Figure 22 is the structural representation of expansion link.
Figure 23 is the D-D cutaway view of Figure 22.
Figure 24 is the E place enlarged drawing of Figure 23.
Figure 25 is the structural representation of outer bar.
Figure 26 sheds the structural representation of locking nut and rotary sleeve for Figure 22.
Figure 27 is for being equipped with the structural representation of forward and backward coupling sleeve on the interior bar.
Figure 28 is the sectional structure sketch map of forward and backward coupling sleeve.
Figure 29 is for being equipped with the structural representation of little spring and keeper on the spacer shell.
Figure 30 is the sectional structure sketch map of rotary sleeve.
Figure 31 is the perspective view of rotary sleeve.
Figure 32 is the sectional structure sketch map that auxiliary-handle is connected with handle.
Figure 33 is the structural representation of auxiliary-handle.
Figure 34 is the structural representation of main handle.
Figure 35 is that the relative moving head of connecting rod, the relative main handle of auxiliary-handle are decided the structural representation of angular turn.(shedding roll wheel assembly)
Figure 36 is close to the user mode figure that expansion link, mower are in horizontal resection for roll wheel assembly.
Figure 37 is 125 °, expansion link for the roll wheel assembly in the mower and expansion link and the cutter group is 22.5 ° user mode figure.
Figure 38 is 55 °, expansion link for the roll wheel assembly in the mower and expansion link and the cutter group is 67.5 ° user mode figure.
Figure 39 is 90 °, expansion link for the roll wheel assembly in the mower and expansion link and the cutter group is 45 ° user mode figure.
Figure 40 rotates 90 ° of user mode figure that vertically cut for the relative main handle of moving head.
Figure 41 rotates 180 ° of user mode figure that vertically cut for the relative main handle of moving head.
Embodiment
To elaborate again to the embodiment of the invention by above-mentioned accompanying drawing below.
Like Fig. 1～shown in Figure 41,1. moving head, 11. protection steel wires, 12. protective covers, 13. disjunctors block, 14. springs, 15. back connectors, 16. back connecting holes, 17. locating slots, 18. limiting stands, 2. cutter group, 21. blades, 211. big installing holes, 212. little installing holes, 22. knife rests, 221. fillets, 23. motors, 231. motor shafts, 24. connecting pins, 241. hold greatly, 242. small ends, 243. caulking grooves, 25. expanding rings, 26. back-up rings, 27. retaining muscle, 271. chamferings, 28. adapter sleeves, 3. connecting holes before connectors, 33. joint pins, 331. elastic buttons, 332. barbs, 333. narrow grooves, 334. wide grooves, 34. before connecting rod, 31. locking press buttons, 311. raised lines, 32., 4. roll wheel assembly, 41. fixed mounts, 411. tube connectors, 412. Connection Blocks, 413 lockholes, 414. narrow convex tendons, 415. sleeve joint holes, 416. wide convex tendons, 417. link slots, 42. wheel supports, 421. connecting plates, 422. wheel seats, 423. dowels, 43. rollers, 44. knobs lid, 45. nuts, 46. bolts, 47. little knobs, 5. bars in the expansion link, 51., 511 guide slots, the outer bar of .52., 521. small square holes, 53. anti-drop devices, 531. fixed covers, 532. through wires holes, 533. lock hooks, 6. telescopic locking device, 61. locking nuts, 62. preceding coupling sleeves, 621. external screw threads, 622. elastic opening grooves, 623. orientation bar, 63. catch, 7. decide behind angular turn adjusting device, 71. rotary sleeves, 711. recessed triangular grooves, 712. straight troughs, 72. spacer shells, 721. Zhi muscle, 722. protruding triangle muscle, 723. projections, 724. Da square holes, 73. first keepers, 731. spring grooves, 732. first party muscle, 74. little springs, 75. coupling sleeves, 751. and Ding Wei Que, 752. boss, 753. spacing muscle, 754. limited ring grooves, 76. second keepers, 761. second party muscle, 8. auxiliary-handle, 81. knobs shown in Figure 41,82. embedded nuts, 83. connection straps, 9. main handle, 91. safety switches, 92. start buttons, 93. power brick, 94. contiguous blocks, 95. draw-in grooves.
Multifunctional grass mowing machine, as shown in Figure 1, be mainly used in turf-mown, constitute by moving head 1, cutter group 2, connecting rod 3, expansion link 5, main handle 9 and auxiliary-handle 8 etc.
Described moving head 1 adopts plastics to process, and protection steel wire 11 and protective cover 12 are housed in the moving head front portion.Protection steel wire 11 can be used for preventing that in cutting process cutter group from cutting the flower that will keep or grass etc.; Protective cover 12 can be protected the operator, prevents to get to harder object at blade during at high speed rotating and hurts the people.
It is the blade 21 that the center is symmetrically distributed with motor shaft 231 that described knife rest 22 bottom surfaces are provided with two, and these two blades all adopt nonmetallic plastics to process, and are installed in two long ends of flange-like knife rest 22 respectively.The plastic blade cost is low, in light weight, good toughness not frangible, cutting efficiency high, connect reliable and have cutting effect preferably, so can replace nylon rope or the metal blade used always.
Described each blade 21 is all as shown in Figure 5, has a blade cut end and the link with large and small installing hole, this big installing hole 211 and the structure of little installing hole 212 for being connected, and the big relatively mounting hole site of little installing hole is in ragged edge.Be equipped with connecting pin 24 in the described big installing hole 211, this connecting pin is as shown in Figure 6, has the big end 241 and small end 242 that are multidiameter; Big end is outer to be exposed at outside the blade 21; The small end external diameter is slightly larger than the junction of large and small installing hole, and is provided with a circle caulking groove 243 at small end 242 ends, after small end 242 passes big installing hole 211 and knife rest 22 successively; Promptly connected in its caulking groove 243, to prevent connecting pin 24 landing in knife rest 22 high speed rotating by expanding ring 25 engagings.Simultaneously, when the small end 242 of connecting pin 24 is located in the big installing hole 211, also need level firmly to be pulled outwardly knife section 21, the junction that makes small end 242 cross large and small installing hole gets in the little installing hole 212, connects formally to accomplish.The small end 242 of connecting pin 24 formed with little installing hole 212 and clamped annexation this moment, when 21 rotations of knife rest 22 rotating band knife sections, just can receive centrifugal action make blade all the time close-fitting in little installing hole 212.This blade 21 is owing to adopt the design of double mounting port, so even blade also can obtain cushioning when cutting process is run into stone or stub because of carelessness, and tool changing is quick, laborsaving.
Middle part, described knife rest 22 bottom surfaces is provided with back-up ring 26, also is provided with to be centered around back-up ring two retaining muscle 27 on every side.The design of this back-up ring and retaining muscle is mainly in order to prevent the phenomenon that two blades 21 occur running foul of each other because of inertia when starting and stopping.Described retaining muscle 27 is provided with the chamfering 271 against the inclination of knife rest direction of rotation, and knife rest 22 bottom surface excircles are provided with fillet 221 structures, and the design of chamfering and fillet structure is mainly used in the windage when alleviating blade holder turns, avoids causing the additive decrementation of motor 23 power.
Described moving head 1 rear portion is provided with two parallel rounded back connectors 15 that extend back as shown in Figure 9, is provided with the back connecting hole 16 of doing the level perforation along the center of circle in this back connector; Described connecting rod 3 front portions also are provided with the rounded preceding connector 32 that extends forward shown in figure 10, also are provided with the preceding connecting hole 34 of doing the level perforation along the center of circle in this preceding connector; After connector 32 is installed in two before described between the connector 15, and connect by the disjunctor block 13 on the connector 15 of back, and should before connecting hole 34 with after the identical and overlapping perforation of connecting hole 16 structures.In the hole wall of preceding connecting hole 34 and back connecting hole 16, be equipped with the locating slot 17 of 16 circumference uniform distributions; Also be provided with locking press button 31 in connecting hole 34 and the back connecting hole 16 before described; This locking press button such as Figure 12, shown in Figure 13, its outer wall are provided with the raised line 311 of 16 circumference uniform distributions, and this raised line respectively with forward and backward connecting hole in locating slot 17 equipped mutually; The length of connecting hole 34 locating slots before raised line 311 width are less than; Also, be equipped with mutually with preceding connecting hole locating slot so ability is independent less than the length of back connecting hole 16 locating slots, also can be equipped mutually with back connecting hole locating slot separately; Be provided with the spring 14 of pushing tow between described locking press button 31 and the disjunctor block 13.Simultaneously, on preceding connector 32 outer circumference surfaces of connecting rod 3, also be provided with a limited block 35, make the upper and lower stroke limit of deciding angular turn by upper and lower distribution two limiting stands, 18 common formation moving head 1 relative connecting rods 3 on this limited block and the back connector 15.The present invention with the mower of horizontal positioned for deciding 0 ° of position of angular turn, then connecting rod 3 relatively the angle that rotates up and down of moving head 1 be respectively 0 °, 22.5 °, 45 ° and 67.5 °, so can satisfy the use needs of special occasions.
This is upper and lower, and to decide the mode of operation of angular turn syndeton following: pressure-lock button 31 and it is overcome in spring 14 elastic force contract; And the raised line 311 on the locking press button 31 is broken away from the locating slot 17 of the preceding connecting hole 34 of 17 entering of the locating slot in the back connecting hole 16 in the moving head 1; At this moment; Moving head 1 can rotate up and down the proper operation angle by relative connecting rod 3, unclamps the pressing force on the locking press button 31 then, and locking press button is outside by pushing tow under spring 14 effects; Raised line 311 on this locking press button 31 is fitted in the locating slot 17 of back connecting hole 16 and preceding connecting hole 34 again, and angular turn promptly is locked.When this moving head 1 relative connecting rod 3 rotated, machine can not worked, and to avoid security incident.
Described fixed mount 41 is to extend columniform joint pin 33 in the connecting rod rear end with the oriented movable suit of connecting rod 3; The outer wall of this joint pin is provided with four grooves that extend vertically and make circumference uniform distribution; Wherein two adjacent grooves are narrow groove 333, and two adjacent grooves are wide groove 334 in addition, are example with Figure 11; Last a, left side is two adjacent narrow grooves 333, and following, the right side is respectively two adjacent wide grooves 334 in addition.On the joint pin 33 of the narrow groove 333 in the adjacent left side, be provided with one square hole is installed, be provided with an end in this installation square hole and the elastic button 331 that square hole forms conjoined structure and has elastic characteristic is installed, and be provided with anti-skidding striped and barb 332 on the surface of elastic button.
Described fixed mount 41 is like Figure 14～Figure 16, Figure 19, shown in Figure 20, and it comprises that columniform tube connector 411 and tube connector below extend the Connection Block 412 of conjoined structure.Be provided with in the described tube connector 411 with said connecting rod 3 on the equipped sleeve joint hole 415 of joint pin 33; The cross section of this sleeve joint hole is " C " font; And on the hole wall of " C " font sleeve joint hole, be provided with three convex tendons that extend vertically; These three convex tendons are that the center is 90 ° of distributions in twos at interval with the axle center of sleeve joint hole 415, and it comprises wide convex tendon 416 and a narrow convex tendon 414 of two adjacent settings, is example with Figure 16; The left and right wide convex tendon 416 and the narrow convex tendon 414 of being respectively of " C " font opening part, " C " font bottom is another wide convex tendon 416.Two wide convex tendons respectively with connecting rod 3 on two wide grooves 334 equipped mutually, narrow convex tendon 414 is equipped with two narrow grooves 333 on the connecting rod 3 mutually.
On the hole wall of sleeve joint hole 415, also being provided with simultaneously two is that the center is 90 ° of lockholes 413 that distribute and connect with the sleeve joint hole axle center; These two lockholes correspondence respectively are arranged on narrow convex tendon 414 in the right side of " C " font opening part and wide convex tendon 416 places, bottom, and form locking and be connected with the barb 332 of elastic button 331 on the said joint pin 33.Fixed mount 41 outer surfaces also are provided with anti-skidding striped, are convenient to form the suit operation with connecting rod 3.
Described fixed mount 41 has two connection status with connecting rod 3.Shown in figure 19; Narrow convex tendon 414 orientations of fixed mount 41 are fitted in the narrow groove 333 that adjacent elastic button 331 is provided with on the joint pin 33; Fixed mount 4 be connected with connecting rod 3 put in place after; Barb 332 equipped lockings on the elastic button 331 that the lockhole 413 that adjacent narrow convex tendon 414 is provided with can be provided with adjacent narrow groove 333, this connection status is fit to the horizontal resection of mower; Shown in figure 20; Two wide convex tendons 416 of fixed mount 41 are directed respectively to be fitted in two wide grooves 334 on the joint pin 33; And two narrow grooves 333 on the joint pin 33; One of them just in time is positioned at sleeve joint hole 415 " C " font opening part, and another is directed equipped with the narrow convex tendon of of fixed mount 41 414, fixed mount be connected with connecting rod put in place after; Barb 332 equipped lockings on the elastic button 331 that the lockhole 413 that adjacent wide convex tendon 416 is provided with can be provided with adjacent narrow groove 333, this connection status is fit to the vertical cutting of mower.
Described wheel support 42 is shown in figure 17, and it comprises the cylindrical wheel seat 422 in bottom, on two end faces of this cylindrical wheel seat roller 43 is installed all, on the face of cylinder of wheel seat 422, is provided with two identical and parallel upwardly extending arcuation connecting plates 421; Described two connecting plates are shown in figure 18, and its top is rounded, and this circular circle centre position promptly is the tie point that wheel support 42 is connected with fixed mount 41.At two opposite faces of the round tip of two connecting plates 421, promptly be equipped with 1 dowel 423 that passes tie point on connecting plate and the contact-making surface that fixed mount 41 is connected.
The circular Connection Block 412 of described fixed mount 41 is arranged between the round tip of two connecting plates 421; After the little knob 47 that has a bolt 46 passes the tie point of one of them connecting plate and Connection Block 412 successively; Be embedded nut 45 and form and be connected at the tie point place of another connecting plate; Simultaneously this nut again tegmentum be combined in knob lid 44 on the connecting plate 421 is enclosed in, in order to avoid influence overall appearance.
Described expansion link 5 is like Figure 22, shown in Figure 23, bar 51 and outer bar 52 in it comprises, and this interior bar front end plug-in mounting is connected on the connecting rod 3, and interior rod rear end movable set is outside in the bar 52, and rod rear end is provided with anti-drop device 53 in this; Described outer bar 52 front end external diameters are bigger, and the bar axle center was the small square hole 521 that the center is symmetrically distributed beyond this front end was provided with two, and outer rod rear end is connected with the main handle 9 of mower.
Described anti-drop device 53 is like Figure 23, shown in Figure 29, comprises the fixed cover 531 of bar 51 rear ends in being inserted into, and on the insertion end outer wall of fixed cover, is provided with locked groove, and set lock hook 533 forms to be connected and fixes on this locked groove and the interior bar; Described fixed cover 531 external diameters are greater than interior bar 51 external diameters and less than outer bar 52 internal diameters, and the fixed cover middle part is provided with through wires hole 532.
Be provided with telescopic locking device 6 between the described inside and outside bar and decide angular turn adjusting device 7, this telescopic locking device 6 is mainly used in the length of interior bar 51 phase outer pole 52 is carried out the telescopic adjustment locking; Should decide angular turn adjusting device 7 be mainly used in and interior bar 51 phase outer pole 52 are turned an angle and lock.Through telescopic locking device 6 with decide angular turn adjusting device 7 and can make the function of beating the grass that this expansion link 5 is installed satisfy the needs of various use occasions.
Described telescopic locking device 6 comprises a preceding coupling sleeve 62 that is sleeved on outside the interior bar 51; Coupling sleeve such as Figure 22, Figure 27, shown in Figure 28 before being somebody's turn to do; Its outer wall is provided with external screw thread 621, and preceding coupling sleeve leading section is cone-shaped, and also is provided with the elastic opening groove 622 of 6 circumference uniform distributions at this pyramidal leading section; Before described locking nut 61 is connected with internal thread on the external screw thread 621 of coupling sleeve 62, so this locking nut can preceding relatively coupling sleeve screwed or unclamp.Simultaneously; In locking nut 61, be provided with the taper hole equipped mutually with the cone-shaped leading section of said preceding coupling sleeve 62; The arrow that locking nut 61 outer walls are designed with " LOCK " and " UNLOCK " rotates sign, coupling sleeve 62 before the arrow rotation sign respective operations locking nut of " LOCK " is screwed, and the arrow of " UNLOCK " rotates sign respective operations locking nut 61 and unscrews preceding coupling sleeve 62; The locking nut outer wall also is provided with anti-skid design, is convenient to finger and is affectedly bashful rotation.
The locking principle of described telescopic locking device 6 is following: the arrow of " LOCK " rotates the sign direction when screwing locking nut on according to locking nut 61; Just can be through pyramidal leading section in the coupling sleeve 62 before the compressing of the taper hole in the locking nut; Make the tight obvolvent of architectural feature that this leading section utilizes elastic opening groove 622 on interior bar 51, thereby form the length locking of inside and outside bar; The arrow of " UNLOCK " rotates the sign direction when unscrewing locking nut on according to locking nut 61, and the taper hole in the locking nut is removed pyramidal leading section in the preceding coupling sleeve 62 is oppressed, and can form the telescopic of inside and outside bar this moment.
Describedly decide angular turn adjusting device 7 and comprise that one is the back coupling sleeve 75 of conjoined structure with preceding coupling sleeve 62; Between forward and backward coupling sleeve, being provided with catch 63 separates mutually; This forward and backward coupling sleeve inwall is provided with the orientation bar 623 of protruding " V " type; And in this orientation bar is fitted in set recessed " V " type guide slot 511 of bar 51 outer walls, so but forward and backward coupling sleeve be connected with the oriented movable suit of interior bar 51 formation limit rotation.The orientation bar 623 of protruding " V " type can also stop the fixed cover 531 of anti-drop device 53 simultaneously, and bar 51 breaks away from outer bar 52 in preventing.
Described back coupling sleeve 75 is like Figure 22, Figure 27, shown in Figure 28; Also be provided with on it external diameter greater than the back coupling sleeve but less than the annular boss 752 of catch 63; The location that this boss is provided with four circumference uniform distributions lacks 751, and these four location lack with catch near design, also be provided with a limited ring groove 754 on back coupling sleeve 75 outer walls that adjacent positioned lacks; The annular groove that this limited ring groove is a radial loop on coupling sleeve 75 outer walls of back is provided with two spacing muscle 753 in limited ring groove; The bigger front end of external diameter plugs in described back coupling sleeve 75 and the outer bar 52; Till its inserting depth to outer boom end is stopped by the boss 752 on the coupling sleeve 75 of back; Back coupling sleeve and outer bar peg graft put in place after, two small square holes 521 on the outer bar 52 just in time with the limited ring groove 754 of back coupling sleeve 75 over against setting.
Be provided with the spacer shell 72 of going into outside the described outer bar 52 from outer rod rear end suit; This spacer shell is shown in Figure 29; Which is provided with two is the big square hole 724 that the center is symmetrically distributed with the spacer shell axle center; And these two big square holes are after spacer shell is in place, respectively with outer bar 52 on two small square holes 521 be over against setting, be respectively equipped with first keeper 73 and second keeper 76 in each big square hole 724.
Described first keeper 73 tops are provided with opening spring groove 731 forward; Little spring 74 is installed in this spring groove; And little spring two ends difference pushing tow is in spring groove 731 and on the hole wall of big square hole 724, so first keeper 73 receives little spring 74 to make axially pushing tow backward; First keeper bottom is provided with to the first party muscle 732 that extends below, and the small square hole 521 that this first party muscle passes on the outer bar 52 is fitted in the limited ring groove 754 of back coupling sleeve 75, and does 0 °～180 ° rotations between two spacing muscle 753 in limited ring groove.Described second keeper 76 is identical with first keeper, 73 structures, and just the second party muscle 761 on second keeper only is fitted in another small square hole 521 of outer bar 52.
It is the projection 723 that the center is symmetrically distributed with the spacer shell axle center that described spacer shell 72 front end face are provided with two, and these two projections are equipped with wherein two location phase shortages that described four location lack in 751 respectively.Simultaneously, each projection is arranged on each big square hole 724 1 side respectively, is equipped with a straight muscle 721 that is provided with vertically on each projection.
Described spacer shell 72 outer walls are provided with a protruding triangle muscle 722, and the inclined-plane of this protruding triangle muscle backwards.
The described spacer shell 72 outer rotary sleeves 71 that also are provided with; This rotary sleeve such as Figure 30, shown in Figure 31; Its inwall is provided with straight trough 712 and recessed triangular groove 711; Straight trough is designed with two vertically, these two straight troughs respectively with spacer shell 72 outer walls on two straight muscle 721 equipped mutually, thereby rotary sleeve 71 orienting covers are contained on the spacer shell 72.Recessed triangular groove 711 is equipped mutually with the protruding triangle muscle 722 on the spacer shell outer wall, thereby makes spacer shell form the structure that is connected with rotary sleeve.Rotary sleeve 71 outer walls are provided with the multiple tracks anti-skid design; Can prevent that finger from skidding when the operation rotary sleeve; This rotary sleeve outer wall also is provided with the direction of arrow " 1 " number arrow logo and the direction of arrow backwards towards " 2 " number arrow logo that is rotated counterclockwise; Be somebody's turn to do " 1 " number arrow logo respective operations rotary sleeve 71 post-tensionings, should be rotated counterclockwise by " 2 " number arrow logo respective operations rotary sleeve.When rotary sleeve and spacer shell are equipped put in place after, this rotary sleeve end face just in time contacts on the catch between the forward and backward coupling sleeve 63, makes overall structure seem comparatively attractive in appearance.
The described operating process of deciding angular turn adjusting device 7 is following: at first pull out backward about rotary sleeve 4mm according to " 1 " number arrow logo; Thereby drive the also motion backward of spacer shell 72 that is connected with rotary sleeve 71 formation, make the projection 723 on the spacer shell lack disengaging in 751 from the location on the coupling sleeve 75 of back.This is pulled out in the process; Because the first party muscle 732 of first keeper 73 is fitted in the limited ring groove 754 of back coupling sleeve 75; The second party muscle 761 of second keeper 76 is fitted in the small square hole 521 of outer bar 52; Just can't drive two first keeper 73 and motions backward synchronously of second keeper 76 in the big square hole 724 so spacer shell 72 moves backward, thereby can only the little spring 74 of pushing tow first keeper 73 and second keeper 76 constantly be compressed.
Then according to " 2 " number arrow logo rotation rotary sleeve 71; And drive spacer shell 72, the forward and backward relatively coupling sleeve of outer bar 52, interior bar 51 and rotate; In rotary sleeve 71 rotary courses, need unclamp the pulling force backward of rotary sleeve, and only need operate rotary sleeve and rotate and to get final product; So the time little spring 74 be released and promote spacer shell 72, make on the spacer shell projection 723 always pushing tow the back coupling sleeve 75 boss 752 on move.After rotary sleeve 71 turned to 90 °, pushing tow and motion always promptly lacked in 751 by pushing tow to the 90 ° location of locating under the spring force effect at the projection on the boss 752 723, thus the angulation locking.In like manner, continue according to " 1 " number arrow logo and " 2 " number arrow logo operate rotary sleeve again can with interior bar mutually outer pole turn to 180 ° of positions.
This rotary sleeve 71 can only be rotated in 0 °～180 ° scope; Be less than 0 ° or cross 180 ° of rotations; First party muscle 732 on first keeper 73 all can limited annular groove 754 two ends 753 in spacing muscle stop; So the mower of this expansion link 5 is installed, and its moving head 1 main handle 9 relatively uses 0 °, 90 °, 180 ° third gear positions, can satisfy the use needs of various occasions.
Described main handle 9 is installed in outer bar 52 rear ends of expansion link 5; This main handle 9 is as shown in Figure 1; The start button 92 and safety switch 91 that start 2 work of cutter group are installed on it, also are fitted with power brick 93, open safety switch 91 and started by press button 92 and can make mower carry out work.
Described auxiliary-handle 8 is decided angular turn and is connected on the main handle 9; This auxiliary-handle and main handle to decide that angular turn is connected be on main handle 9, to be provided with to extend upward contiguous block triangular in shape 94; The aperture that on contiguous block, is provided with perforation is as tie point; And on two sides of contiguous block, also being provided with 6 clamp bar slots 95, every clamp bar slot 95 all passes above-mentioned tie point, and is that the center is radial circumference uniform distribution with the tie point.Described auxiliary-handle 8 is bent into triangle; And have two links; These two link obvolvents are in contiguous block 94 both sides of main handle 9, and each link also is provided with tie point, also are provided with 2 connection straps 83; Every connection strap all passes above-mentioned tie point, and is that the center is radial circumference uniform distribution with the tie point.After auxiliary-handle 8 and main handle 9 are in place; Through bolt pass and with one have embedded nut 82 big knob 81 be threaded; The rotational angle of auxiliary-handle 8 relative main handles 9 is 0 ° of original position with auxiliary-handle 8 vertical main handles 9, and the angle that can regulate altogether is-90 ° ,-60 ° ,-30 °, 0 °, 30 °.60°、90°。
Mower of the present invention has like the multiple duty of Figure 35～shown in Figure 41 available; The relative moving head of connecting rod does upper and lowerly to decide that angular turn is regulated, the relative main handle of moving head does decide that angular turn is regulated, the relative main handle of auxiliary-handle is made decide angular turn and regulated relative expansion link work with roll wheel assembly and decide these four adjustings place of angular turn adjusting and all need in actual use to carry out according to operator's needs, shown in figure 36ly is close to the user mode that expansion link, mower are in horizontal resection for roll wheel assembly; And shown in Figure 37 for roll wheel assembly in the mower and expansion link be user mode that 125 °, expansion link and cutter group be 22.5 °, shown in Figure 38 for the roll wheel assembly in the mower and expansion link be 55 °, expansion link and cutter group be 67.5 ° user mode and shown in Figure 39 be that roll wheel assembly and expansion link in the mower to be 90 °, expansion link and cutter group and to be 45 ° user mode all in order explaining after the relative moving head rotation of connecting rod; Only need the angle of adjustment roll wheel assembly and expansion link; The roller that just can guarantee roll wheel assembly all the time supports on the ground; The combination application target of above-mentioned two place's adjusting angles is exactly from the wheel touchdown point suitable height to be arranged for cut surface; And can let the cutting blade maintenance level of trying one's best, make turf-mown more smooth, laborsaving.And shown in Figure 40ly rotate 90 ° of user modes of vertically cutting for the relative handle of moving head.This state and wheel are used, and regulate angle, and the user can push away machine and carry out the deburring cutting forward, can guarantee that cutting planes is smooth.Shown in Figure 41 is that the relative handle of moving head rotates 180 ° of user modes of vertically cutting.This state will be pulled down wheels or pack up wheels in order to avoid the influence cutting.More than several kinds of duties all be in order to explain that moving head can vertically cut very easily, the scope of application is more extensive.
Claims (10)
1. a multifunctional grass mowing machine comprises moving head (1), cutter group (2), connecting rod (3), expansion link (5), main handle (9) and auxiliary-handle (8); Be provided with motor (23) in the described moving head (1); Said cutter group (2) is installed in moving head (1) bottom; It comprises the knife rest (22) that is connected with the motor shaft (231) of motor (23); It is the blade (21) that circumference uniform distribution is made at the center with motor shaft (231) that this knife rest is provided with a plurality of; Be equipped with installing hole on each blade, be equipped with in this installing hole blade is connected the connecting pin (24) on the knife rest (22); Described connecting rod (3) is decided angular turn and is connected moving head (1) rear portion; Described expansion link (5) comprises interior bar (51) and outer bar (52), and bar front end plug-in mounting is connected on the connecting rod (3) in this, and interior rod rear end movable set is outside in the bar (52), and rod rear end is provided with anti-drop device (53) in this; Be provided with telescopic locking device (6) between the described inside and outside bar; Described main handle (9) is installed to expansion link (5) rear portion, and this main handle is provided with start button (92) and the safety switch (91) that drives cutter groups (2) work, also is provided with power brick (93); Described auxiliary-handle (8) is installed on the main handle (9), it is characterized in that:
A, described connecting rod (3) are that the relative moving head (1) of connecting rod (3) is made the upper and lower angular turn of deciding with the angular turn syndeton of deciding at moving head (1) rear portion; Mainly be included in connecting rod (3) front portion and be provided with circular preceding connector (32), this preceding connector is provided with the preceding connecting hole (34) of doing the level perforation along the center of circle; Described moving head (1) rear portion also is provided with circular back connector (15), also is provided with the back connecting hole (16) of doing the level perforation along the center of circle in this back connector; Connector (32) is connected with back connector (15) before described, preceding connecting hole (34) and back connecting hole (16) overlapping perforation, and this preceding connecting hole with after be equipped with the locating slot (17) of a plurality of circumference uniform distributions on the hole wall of connecting hole; Also be provided with the locking press button (31) of spring (14) pushing tow before described in connecting hole (34) and back connecting hole (16), this locking press button is provided with the raised line (311) of a plurality of circumference uniform distributions outward, and this raised line respectively with forward and backward connecting hole in locating slot (17) equipped mutually;
Also be provided with between b, the described inside and outside bar and decide angular turn adjusting device (7); Should decide the angular turn adjusting device and comprise back coupling sleeve (75); This back coupling sleeve is plugged on outer bar (52) front end, and and interior bar (51) between form the oriented movable suit, the location that on back coupling sleeve (75), is provided with a plurality of circumference uniform distributions lacks (751); And on the back coupling sleeve outer wall that adjacent positioned lacks, be provided with a limited ring groove (754), be provided with two spacing muscle (753) in this limited ring groove; Described outer bar (52) is provided with and the small square hole (521) of said limited ring groove (754) over against setting; The outer spacer shell (72) that is set with of outer bar (52); This spacer shell is provided with the big square hole (724) of small square hole on the positive outer pole; In big square hole, be equipped with and receive the axially keeper of pushing tow backward of little spring (74), this keeper is provided with to the disjunctor side's muscle that extends below, and the small square hole (521) that should side's muscle passes outer bar (52) is fitted in the limited ring groove (754); The front end face of described spacer shell (72) is provided with said location and lacks (751) equipped projection (723); Spacer shell is provided with the rotary sleeve (71) of orienting cover dress outward; This rotary sleeve inwall is provided with recessed triangular groove (711), the corresponding protruding triangle muscle (722) that is equipped with said recessed triangular groove that is provided with at spacer shell (72) outer wall;
Do decide angular turn between c, described auxiliary-handle (8) and the main handle (9) and be connected, this structure mainly is included on auxiliary-handle (8) and two contact-making surfaces that main handle (9) is connected and is respectively equipped with connection strap (83) and the draw-in groove (95) that is equipped with mutually.
2. multifunctional grass mowing machine according to claim 1; The preceding connector (32) that it is characterized in that described connecting rod (3) is provided with limited block (35); Correspondingly on the back connector (15) of moving head (1), be provided with two limiting stands (18), these two limiting stands and said limited block (35) constitute jointly connecting rod (3) relatively moving head (1) make to decide the stroke limit of angular turn; Described connecting rod (3) rotational angle of moving head (1) relatively is respectively 0 °, 22.5 °, 45 ° and 67.5 °.
3. multifunctional grass mowing machine according to claim 1 is characterized in that the small square hole (521) on the described outer bar (52) has two; Described spacer shell (72) is gone up with small square hole (521) also has two over against the big square hole (724) that is provided with, and is the center symmetrical distribution with the axle center of spacer shell (72), is respectively equipped with first keeper (73) and second keeper (76) in these two big square holes; Described first keeper has to the first party muscle (732) that extends below, and the small square hole (521) that this first party muscle passes on the outer bar (52) is fitted in the limited ring groove (754); Described second keeper (76) has to the second party muscle (761) that extends below, and this second party muscle is fitted in another small square hole (521) on the outer bar (52); Rotate between two spacing muscle (753) of first party muscle (732) in described first keeper (73) in limited ring groove (754), this rotational angle is 0 °, 90 ° and 180 °.
4. multifunctional grass mowing machine according to claim 1; It is characterized in that the described spacer shell (72) and the orienting cover assembling structure of rotary sleeve (71) are on the outer wall of spacer shell (72), to be provided with two straight muscle (721) that are provided with vertically, the corresponding straight trough (712) that is provided with two settings vertically and is equipped with at rotary sleeve (71) inwall with said straight muscle (721); Described two straight muscle are that the center is symmetrically distributed with the axle center of spacer shell (72), and each straight muscle (721) is arranged on each projection (723) respectively.
5. multifunctional grass mowing machine according to claim 1; It is characterized in that described telescopic locking device (6) comprise extend into forward on back coupling sleeve (75) pyramidal before coupling sleeve (62); The leading section of coupling sleeve is provided with the elastic opening groove (622) of a plurality of circumference uniform distributions before being somebody's turn to do; Preceding coupling sleeve is provided with the locking nut (61) that is threaded outward, is provided with the taper hole equipped mutually with the cone-shaped leading section of said preceding coupling sleeve (62) in this locking nut.
6. multifunctional grass mowing machine according to claim 1; It is characterized in that described anti-drop device (53) comprises the fixed cover (531) that is inserted into interior bar (51) rear end; On the fixed cover outer wall, be provided with locked groove, the lock hook (533) on this locked groove and the interior bar (51) forms to be connected and fixes; Described fixed cover (531) external diameter is provided with through wires hole (532) greater than interior bar (51) external diameter and less than outer bar (52) internal diameter at the fixed cover middle part.
7. multifunctional grass mowing machine according to claim 1; It is characterized in that being equipped with on the described connecting rod (3) roll wheel assembly (4); This roll wheel assembly comprises that oriented movable is sleeved on the fixed mount (41) on the connecting rod (3) and decides angular turn and is connected the wheel support (42) on the fixed mount, roller (43) is installed on this wheel support; Described fixed mount (41) is on the outer wall of connecting rod, to be provided with a plurality of grooves that extend vertically and make circumference uniform distribution with the oriented movable suit of connecting rod (3); The corresponding sleeve joint hole (415) that on fixed mount (41), is provided with, also be provided with on the hole wall of this sleeve joint hole vertically extend and with the convex tendon of said groove oriented movable suit; Described wheel support (42) is on two contact-making surfaces that wheel support is connected with fixed mount, to be respectively equipped with equipped mutually dowel (423) and link slot (417) with the angular turn connection of deciding of fixed mount (41).
8. multifunctional grass mowing machine according to claim 7 is characterized in that the described wheel support (42) and the axis angle of the middle sleeve joint hole (415) of fixed mount (41) are respectively 55 °, 90 °, 125 ° and 180 °.
9. multifunctional grass mowing machine according to claim 7; It is characterized in that also being provided with elastic button (331) on the outer wall of described connecting rod (3); This elastic button is provided with barb (332), the corresponding lockhole (413) that is equipped with said barb (332) that on fixed mount (41), is provided with.
10. multifunctional grass mowing machine according to claim 1 is characterized in that described blade (21) is a plastic blade, and the installing hole on this blade is big installing hole (211) and the little installing hole (212) that interconnects; Described connecting pin (24) has big end (241) and the small end (242) that is multidiameter, and this small end clamps and is connected in the little installing hole (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100880718A CN102217455B (en) | 2011-04-03 | 2011-04-03 | Multifunctional grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100880718A CN102217455B (en) | 2011-04-03 | 2011-04-03 | Multifunctional grass trimmer |
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| Publication Number | Publication Date |
|---|---|
| CN102217455A CN102217455A (en) | 2011-10-19 |
| CN102217455B true CN102217455B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100880718A Active CN102217455B (en) | 2011-04-03 | 2011-04-03 | Multifunctional grass trimmer |
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| CN103181262A (en) * | 2011-12-30 | 2013-07-03 | 苏州宝时得电动工具有限公司 | Garden tool |
| CN102523817B (en) * | 2012-02-22 | 2014-03-12 | 南京德朔实业有限公司 | Multi-gear handle mechanism and lawn mower comprising same |
| JP5955759B2 (en) * | 2012-12-19 | 2016-07-20 | 株式会社マキタ | Brush cutter |
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Address after: 315171, Ningbo, Zhejiang Province, Yinzhou District Town, Ji Wang Industrial Park, No. 307 East Road, cloth Patentee after: NINGBO EAST ENVIRONMENTAL PROTECTION MACHINERY Co.,Ltd. Patentee after: Li Ailiang Address before: 315176 Zhejiang province Ningbo city Yinzhou District town water village turnip Patentee before: Ningbo East Tools Co.,Ltd. Patentee before: Li Ailiang |
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Effective date of registration: 20160920 Address after: 315171, Ningbo, Zhejiang Province, Yinzhou District Town, Ji Wang Industrial Park, No. 307 East Road, cloth Patentee after: NINGBO EAST ENVIRONMENTAL PROTECTION MACHINERY Co.,Ltd. Address before: 315171, Ningbo, Zhejiang Province, Yinzhou District Town, Ji Wang Industrial Park, No. 307 East Road, cloth Patentee before: NINGBO EAST ENVIRONMENTAL PROTECTION MACHINERY Co.,Ltd. Patentee before: Li Ailiang |