CN202157288U - Low-vibration leaf blowing and sucking machine - Google Patents
Low-vibration leaf blowing and sucking machine Download PDFInfo
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- CN202157288U CN202157288U CN2011201765498U CN201120176549U CN202157288U CN 202157288 U CN202157288 U CN 202157288U CN 2011201765498 U CN2011201765498 U CN 2011201765498U CN 201120176549 U CN201120176549 U CN 201120176549U CN 202157288 U CN202157288 U CN 202157288U
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- bodice
- upper casing
- drain pan
- pressure
- dust bag
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Abstract
The utility model relates to a portable electric tool which is used in a flower terrace, a courtyard, a park, roadside and other places for blowing and sucking leaves, in particular to a low-vibration leaf blowing and sucking machine. The low-vibration leaf blowing and sucking machine comprises a movable auxiliary handle, a dust collection bag support and an improvement of a tie, wherein soft pieces are arranged at a dust outlet of a machine shell, a leaf blowing wheel is provided with a cutting edge, a circuit is provided with a fuse and dual switches, a silencing vibration reduction material and honeycombs are arranged in the blowing and sucking machine, a roller is changed into a steerable roller, and a single extension cylinder is changed into multiple extension pipes or a flexible folded pipe, so that the transport volume is reduced, and the grade and the safety of the low-vibration leaf blowing and sucking machine are improved.
Description
Technical field
The present invention relates to a kind of portable power tool that is used for place pressure-vaccum leaves such as flower bed, garden, park and road next door, especially a kind of improvement of low vibration foliage pressure-vacuum machine comprises and installs movable assist handle additional; The improvement of dust bag support and tying, bodice upper casing dust mouth adds soft, blows impeller and adds cutting edge; Circuit adds insurance and biswitch; Reach the material and the honeycomb that add the noise elimination vibration damping in the blower, roller changes into and can turn to, and changes singly stretch out tube as many protruded tubes or flexible folding pipe into; With reduced volume, improve work efficiency.
Background technology
Blower is widely used in clearing up leaf by the selected mode of people's hobby.Some operation pedestrian likes and when be accustomed to using blower, in the local time of particularly running into the corner, glances right and left and turn over angle and come pressure-vaccum, as if changing the roller of kiss the earth can turn to into, can conveniently work; Operation pedestrian's height is different, and the difference of being accustomed to taking operating angle, need the assist handle scalable, and original fixedly assist handle is claimed hand inadequately.The insurance of power supply source is because of supplying multichannel, and often a blower is not suitable for, and former pressure-vaccum self-contained circuit lacks the overloading protection, if add insurance and biswitch, and will be safer.Hang down vibratility and low noise, necessity of further optimization is also arranged; If consider to add the moving foamed plastics of vibration damping and add damping deadener and honeycomb structure, certain curative effect can be arranged in the many places of blower at motor; And the very big root of the vibration of grass-mowing machine and noise is in the precision and the form and position tolerance of power and instrument; Improve motor and blow the impeller axiality if adopt; And dynamically balanced the improving one's methods of survey; When hoping, but pursuing the low vibration low noise of blower, in fact is a hard nut to crack of leaving over for a long time.Dust bag support and tying, easy landing that dress is many also must improve; Blower bodice upper casing dust mouth, wind is violent when particularly commutating sometimes, need add soft; Blow impeller and add cutting edge, be prone to stifled big inhalation (inhalatio) as effect cutting; And if change single protruded tube into many protruded tubes or flexible folding pipe, further reduced volume improves the transportation work efficiency.
Summary of the invention
In order to remedy the shortcoming due to the existing mechanism of blower, improve low vibration foliage pressure-vacuum machine, the roller that makes it kiss the earth can turn to and more convenient; Operate adjustable assist handle and more claim hand; The pressure-vaccum self-contained circuit is safer; Low vibratility and low noise have optimization; Firmly and the not landing of dust bag support and tying; Blower dust mouth wind is softer; Blowing impeller adds cutting edge and can cut and be prone to stifled thing; Change single protruded tube into many protruded tubes or flexible folding pipe with further reduced volume, the present invention provides the improvement of certain blower.
Technical scheme and method that its technical problem of the utility model solution is taked are:
A kind of improvement of low vibration foliage pressure-vacuum machine comprises and installs movable assist handle, the improvement of dust bag support and tying additional; Bodice upper casing dust mouth adds soft; Blow impeller and add cutting edge, circuit adds insurance and biswitch, and adds the material and the honeycomb of noise elimination vibration damping in the blower; Roller changes into and can turn to, and changes single protruded tube into many protruded tubes or flexible folding pipe; Described improved low vibration foliage pressure-vacuum machine, by tapping screw (1), bodice upper casing (2), power line (3), cable cover(ing) (4), switch trigger (5), switch trigger spring (6); Terminal board (7), cable pressing plate (8), electric capacity (9), tapping screw (10), main switch (11), governor (12); Rubber sheet gasket (13), motor (14), fan blade pad (15) blows impeller (16), hex nut (17), fan blade patch (18); Tapping screw (19) rotates shaft-cup (20), spring (21), back-up ring (22), pressure-vaccum change-over panel (23), bodice drain pan (24); Safety switch (25), turning cylinder (26), pressure-vaccum conversion turn-knob (27), side button (28), torsion spring (29), torsion axis (30); Telescoping tube (31), shaft block ring (32), wheel (33), wheel shaft (34), dust bag support (35), dust bag (36); Hexagon-headed bolt (37), square assist handle knob (38), tapping screw (39), auxiliary handle lid (40), at the bottom of the auxiliary handle (41), M6 nut (42); Braces (43), and nylon cable tie (44), elasticity is bumped pearl autonavigator (45), or many protruded tubes (46), or flexible folding pipe (47), and the many protruded tubes (48) that blow out are formed; It is characterized in that: described tapping screw (1) is a plurality of, its fixing described bodice upper casing (2) and bodice drain pan (24); Its assembly method has any it is to be noted, plays self-tapping screw and will use the pneumatic screw of deciding moment of torsion to criticize or electric screw is criticized, so that moment of torsion is rationally even; Described bodice upper casing (2) and bodice drain pan (24) they are that the right dress of a first from left closes, and it contains handle part, the assist handle position, and protruded tube stop position, motor spiral case position, pressure-vaccum changes a position, position, dust mouth, and several plug-in positions; On the handle part of bodice upper casing (2) that the right dress of described the first from left closes and bodice drain pan (24), the described power line (3) of packing into according to this, cable cover(ing) (4); Switch trigger (5), switch trigger spring (6), terminal board (7); Cable pressing plate (8), electric capacity (9), tapping screw (10); Main switch (11), governor (12); On the motor spiral case position of bodice upper casing (2) that the right dress of described the first from left closes and bodice drain pan (24), the described rubber sheet gasket (13) of packing into according to this, motor (14), fan blade pad (15) blows impeller (16), hex nut (17), fan blade patch (18); The bodice upper casing (2) that dress closes on described the first from left right side and the pressure-vaccum of bodice drain pan (24) change a position, and the described tapping screw (19) of packing into according to this rotates shaft-cup (20); Spring (21), back-up ring (22), pressure-vaccum change-over panel (23); Bodice drain pan (24); Safety switch (25), turning cylinder (26), pressure-vaccum conversion turn-knob (27); The bodice upper casing (2) that dress closes on described the first from left right side and the protruded tube stop position of bodice drain pan (24), the described side button (28) of packing into according to this, torsion spring (29), torsion axis (30) and telescoping tube (31); Described telescoping tube (31) contains cylinder and square tube and forwardly interconnected, and is provided with peace wheel position in preceding bottom; The peace wheel position that is provided with in the preceding bottom of described telescoping tube (31), the described shaft block ring (32) of packing into according to this, wheel (33), wheel shaft (34); The bodice upper casing (2) that dress closes on described the first from left right side and the position, dust mouth of bodice drain pan (24) are provided with soft (2a); Described soft a slice at least, or multi-disc, for example three, like Fig. 4, Fig. 5 and shown in Figure 11; Described soft is located at upper casing usually, looks the type difference, or all establishes at two shells; Described soft is directly injection-moulded on the shell usually, its triangular in shape or oblique quadrangle or trapezoidal; Perhaps, described soft is not directly injection-moulded on the shell, then uses flexible material, for example fabric; The outside at the bodice upper casing (2) that dress closes on described the first from left right side and the position, dust mouth of bodice drain pan (24) is provided with two draw-in grooves, so that card is hung dust bag support (35) and dust bag (36); Described dust bag support (35), like Fig. 2, Fig. 3 and shown in Figure 14 is provided with hook (35a), hook muscle (35b), hook sideshake (35c), and big bagging circle (35d) and little bagging circle (35e); Original hook muscle (35b), as shown in Figure 2, have only 2, support power is relatively poor, causes hook (35a) to have once in a while and gets loose; Change hook muscle (35b) at present, shown in figure 14, there are 3, support power is higher, can make hook (35a) be difficult for getting loose; Described dust bag (36) is made by fabric, is provided with to march and two related buckling, and buckles on the hook that hangs over the plug-in position on the described shell so that make; Remove to pour out broken leaf and use for drawing back bag and march; Introduce a kind of dust bag support in detail and prick improving one's methods of sack: at first be ready to the commercially available nylon cable tie (44) that has barb to buckle at present; Be placed in the fabric of dust bag (36), bag process suture (36) with sewing machine again, shown in figure 19; Open then and march; The band (44) that encases the suture (36) of the fabric of the dust bag for preparing (36) on the limit is put between the big bagging circle (35d) and little bagging circle (35e) of described dust bag support (35), and the big opening part from marching is easy to put in pliers; Tension has the nylon cable tie (44) of barb button, and cuts off oversize band; The bodice upper casing (2) that dress closes on described the first from left right side and the assist handle position of bodice drain pan (24); The described hexagon-headed bolt (37) of packing into according to this, square assist handle knob (38), tapping screw (39); Auxiliary handle lid (40); At the bottom of the auxiliary handle (41), M6 nut (42) is formed movable assist handle; On the auxiliary handle lid (40) of described assist handle, referring to Fig. 6, Fig. 7 and Figure 10 are provided with curved connection handle (40a), so that protect the back of the hand, also are provided with a plurality of radiation teeth stupefied (40b) of end, in order to screens.Auxiliary handle (2b) on the pressure-vaccum casing of original another style, shown in figure 11, fix, (40) are good smoothly grabs not as described auxiliary handle covers.
The invention provides a kind of improved safety circuit that is added with the insurance protection of low vibration foliage pressure-vacuum machine.The improvement of described a kind of low vibration foliage pressure-vacuum machine, it contains the safety circuit that is added with the insurance protection, referring to circuit diagram shown in figure 25, by terminal board (7); Insurance RC, double-pole switch K, inductance L; Capacitor C, and be provided with the series excited machine M of winding, and governor (12) is formed; Described governor (12) is by bidirectional triode thyristor (TC) and bidirectional triode thyristor (DC), resistance (R1), and resistance (R2), variable resistor (R3), electric capacity (C2) and speed-regulating switch (K3) are formed; The present invention specially is added with double-pole switch K and insurance RC, and it uses fuse, or uses thermal relay, or uses overcurrent protector, in the hope of safer.Why interior the having of power supply insured, also add insurance? Because power supply source also supplies many places, its insurance is often too big, just is not fit to this money foliage pressure-vacuum machine.
The improvement of described a kind of low vibration foliage pressure-vacuum machine, it contains the inside and outside moving scheme of the vibration damping that adds damping deadener and honeycomb structure in the many places of blower that reaches of blower, is major contribution of the present invention.Add the moving foamed plastics of vibration damping at motor, and add the damping deadener in the many places of blower, and in the many places, air channel of blowing and inhaling honeycomb structure is set, it is illustrated shown in the vibration-absorbing and silencing place (43) of Fig. 4; Inside and outside casing, and inside and outside each telescoping tube, establish many places vibration-absorbing and silencing honeycomb structure, it is many intensive interconnected hexagons and contains the noise elimination Wedge structure, and its density and breadth depth ratio thereof are relevant with the vibration parameters and the noise properties of blower, repeatedly test; Inside and outside casing, and inside and outside each telescoping tube and outside the motor, the shock-absorbing and noise-eliminating material that installs additional, or use metallic fiber, or nonmetals, fill or partly fill; Or with the damping material of temperature in anti-porous absorption material particularly, or flexible material, and film material; Described porous material can be fiber-like, the foam class, and particulate species, single with good, more or less mixing application is good; Usable fibers class such as rock wool, or glass fiber, or glass wool super glass wool particularly; Or use the foam class, leaning on temperature rise eminence such as motor place, fireproof; Or with particulate species such as expanded perlite, porous clay brick, and the fabric of heatproof, felt is filled, or attaches; Described honeycomb structure also can attach prefabricated back, or mixes mold pressing.Because sound absorption coefficient (standing-wave-tube method sound absorption coefficient, the reverberation method sound absorption coefficient) difference of each material, incident angle is also influential to sound absorption coefficient; What have is better to the high frequency sound absorption, and what have absorbs better all-bottom sound, and multiple material has complementary usefulness; Vibration involves noise and is reflected, and transforms, and absorbs; Decay is so help further improved performance index.
The annex of original blower product only has braces (43), hang on the shell with the back of the body on operator's shoulder; The present invention's suggestion, improved low vibration foliage pressure-vacuum machine will add mouth mask in its annex, and gloves and safety goggles and insurance with the lifting product specification, and make things convenient for the user.
A kind of improvement of low vibration foliage pressure-vacuum machine; It contains and blows the improvement that impeller adds cutting edge; It is characterized in that: the described impeller that blows is equipped with cutting edge, and like Fig. 8, and the cutting edge that amplifies is shown in figure 18; Contain top cutting edge (16a) and side week cutting edge (16b), the impeller blade end face that blows of described top cutting edge (16a) is an acute angle with the angle that blows the impeller blade front; And the impeller blade lateral circle surface angle positive with blowing impeller blade that blow of described side week cutting edge (16b) also is acute angle; Describedly blow cutting edge that impeller adds or shorter along the part, edge of face of blade, or along the edge big longer; Its cutting edge is straight sword or arcuate blade, or rolls over sword more, and its arcuate blade is archimedes line, or parabola.As improvement, also be equipped with the shear-steel cutter in addition at the described impeller that blows, for example use the bar shaped cutter; As improvement, blow on the impeller blade described, establish and contain a plurality of ellipses and hexagonal noise reduction hole.
As improvement; Change the roller of kiss the earth can turn to into; Becoming and be prone to turn to blower, is another designs and varieties of blower, is in order to satisfy that some operation pedestrian likes and when being accustomed to using blower; In the local time of particularly running into the corner, glance right and left and turn over angle and come the requirement of pressure-vaccum with convenient work.Split the axle stand of original telescoping tube (31) lower head; Make it to become an independently part axle stand (31a); Lay the place of axle stand in original telescoping tube (31) lower head and establish a hole; To insert the vertical shaft of the ring draw-in groove on the described axle stand (31a), shown in the explosive view of Figure 23; All the other are still and in axle stand (31a), wear wheel shaft (34) with original the same, set up one wheel pairs (33) again, respectively load onto shaft block ring (32).
As improvement,, change singly stretch out tube as many protruded tubes (46) into like Figure 20 and shown in Figure 22; And establish autonavigator, for example elasticity is bumped pearl autonavigator (45), or the autonavigator of collision block; Or the autonavigator of torsion spring, do not remove button with hand again and do not choose, with reduced volume; Arbitrarily pulling-down had put in place and had both located automatically, had improved work efficiency.The described many protruded tubes (46) that match with autonavigator are more pieces, for example 4 joints; Many protruded tubes (46) are equipped with groove and locator is adaptive.
Significant improvement is associated the principle that can freely draw in the telescopic antenna of pulling out, and improves it and use blower and make many protruded tubes (46), and is shown in figure 24, might as well call little suction pipe many protruded tubes (48); The characteristic of described many protruded tubes (46,48) is an end in-flanges, and other end flanging; Its in single file one the joint connect a joint, be more piece, minimum 4 the joint, pull out or return freely, because of all the convex-concave screens being arranged at its flange place.Because of the pipe range of blower is pressed standard such as IEC60335-2-100, or, all be merely 0.9 meter, so pull bar length can be implemented by standard such as BSEN15503:2009.
Another significant improvement is associated the principle that can freely draw in the accordion of pulling out, and the dust catcher commonly used and the flexible pipe folded of washing machine, improves it and use blower and make many protruded tubes, and is shown in figure 21, might as well call flexible folding pipe (47) to pipe; Be convenient location, or also use with many protruded tubes (48); The characteristic of described flexible folding pipe (47) is: it has a plurality of folding; No matter its side of being, cross section or circle or other shape; The adjacent ring week of its pipe be a great circle one enclose the land for a short time alternately promptly in single file a slubbing connect a details, its joint is a more piece, minimum 4 the joint or more; Perhaps, the tubing of described flexible folding pipe (47) is with flexible material such as fabric, cloth, and plastic film is interval with a plurality of rings along flexible pipe simultaneously, or interior or outer along flexible pipe, and the suit helical spring is pulled out so that support and draw in as the interval ring; This helical spring is sparse and flexibility.
The present invention is to a kind of improved another important providing of low vibration foliage pressure-vacuum machine; Being the method that contains laser of making and assembling precision for improving, is to improve motor to have laser to sight improving one's methods of frock again with blowing the impeller axiality and surveying dynamically balanced existing precision modulding parts.Because of the very big root of the vibration of blower and noise precision and form and position tolerance at power and instrument; So improve motor and blow the impeller axiality; And to survey dynamic equilibrium, in the hope of this hard nut to crack of leaving over for a long time of low vibration low noise certain curative effect is arranged to blower; At first,,, also strengthened motor and blown the impeller magnitude of interference, used afterburning frock clamp pressing more for example to motor and the requirement of blowing impeller assembly axiality and form and position tolerance from the requirement of drawing design the raising to form and position tolerance; Moreover, preparing precision die with numerical control CNC machining center, and plastic is carried out post processing as blowing impeller, its main method is to use the high-temperature vapour method, preferably steaming is enough more than three hours, does not lose shape in the hope of the plastic size is yielding; Secondly, for improving motor and blow the impeller axiality, during assembling; Adopt special-purpose calibration motor and blow the frock press that has laser to sight of impeller assembly axiality; After the pressing, and survey the dynamic equilibrium correction through bulk sampling and just can go up the product line, the survey dynamic equilibrium of also will sampling of last complete machine; In the hope of being aided with many places shock-absorbing and noise-eliminating material, and comprehensively form a kind of improved low vibration foliage pressure-vacuum machine that has.
The invention has the beneficial effects as follows vibration damping, safety, handy, come the comprehensive product specification that improves with multinomial improvement.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the exploded perspective view of blower.
Fig. 2 is the sketch map of dust bag support (35).
Fig. 3 is the sketch map of the lower direction of dust bag support (35).
Fig. 4 is the sketch map of bodice upper casing (2).
Fig. 5 is the C-C generalized section of bodice upper casing (2).
Fig. 6 is the vertical view of auxiliary handle lid (40).
Fig. 7 is the sketch map of auxiliary handle lid (40).
Fig. 8 is the sketch map that blows impeller (16).
Fig. 9 is the top view of auxiliary handle lid (40).
Figure 10 is the midship section sketch map of auxiliary handle lid (40).
Figure 11 has the fixedly sketch map of the bodice upper casing (2) of assist handle (2b).
Figure 12 is the sketch map of turning cylinder (26).
Figure 13 is the sketch map of pressure-vaccum change-over panel (23).
Figure 14 is a sketch map of adding to link up with the dust bag support (35) of muscle (35b).
Figure 15 is the sketch map of pressure-vaccum conversion turn-knob (27).
Figure 16 is the sketch map of switch trigger (5).
Figure 17 is the front elevational schematic of auxiliary handle lid (40).
Figure 18 is the cutting edge sketch map that blows the amplification of impeller (16).
Figure 19 is the sketch map that the dust bag support is pricked sack.
Figure 20 is the sketch map that the blower of autonavigator (45) and many protruded tubes (46) is arranged.
Figure 21 has flexible folding pipe (47) and the sketch map of the blower of many protruded tubes (48) of blowing out.
Figure 22 is the sketch map of autonavigator (45) and many protruded tubes (46).
Figure 23 is the exploded perspective view that the steerable wheel of axle stand (31a) is arranged.
Figure 24 has an end in-flanges, the sketch map of many protruded tubes of the more piece pull bar of other end flanging.
Figure 25 is the sketch map that is added with the safety circuit of insurance protection.
Like Fig. 2-shown in Figure 25, among the figure:
1. be tapping screw (1);
2. be bodice upper casing (2);
3. be power line (3);
4. be cable cover(ing) (4);
5. be switch trigger (5);
6. be switch trigger spring (6);
7. be terminal board (7);
8. be cable pressing plate (8);
9. be electric capacity (9);
10. be tapping screw (10);
11. be main switch (11);
12. be governor (12);
13. be rubber sheet gasket (13);
14. be motor (14);
15. be fan blade pad (15);
16. be to blow impeller (16);
17. be hex nut (17);
18. be fan blade patch (18);
19. be tapping screw (19);
20. be to rotate shaft-cup (20);
21. be spring (21);
22. be back-up ring (22);
23. be pressure-vaccum change-over panel (23);
24. be bodice drain pan (24);
25. be safety switch (25);
26. be turning cylinder (26);
27. be pressure-vaccum conversion turn-knob (27);
28. be side button (28);
29. be torsion spring (29);
30. be torsion axis (30);
31. be telescoping tube (31);
32. be shaft block ring (32);
33. be wheel (33);
34. be wheel shaft (34);
35. be dust bag support (35);
36. be dust bag (36);
37. be hexagon-headed bolt (37);
38. be square assist handle knob (38);
39. be tapping screw (39);
40. be auxiliary handle lid (40);
41. be (41) at the bottom of the auxiliary handle;
42. be M6 nut (42);
43. be braces (43);
44. be nylon cable tie (44);
45. be that elasticity is bumped pearl autonavigator (45);
46. be many protruded tubes (46);
47. be flexible folding pipe (47);
48. be the many protruded tubes (48) that blow out;
2a. be soft (2a);
2b. be original auxiliary handle (2b);
16a. be top cutting edge (16a);
16b. be side week cutting edge (16b);
31a. be axle stand (31a);
35a. be hook (35a);
35b. be hook muscle (35b);
35c. be hook sideshake (35c);
35d. be big bagging circle (35d);
35e. be little bagging circle (35e);
40a. be the connection handle (40a) of arc;
40b. be radiation tooth stupefied (40b);
RC. be insurance RC;
K. be double-pole switch K;
L. be inductance L;
C. be capacitor C;
M. be series excited machine M;
TC. be bidirectional triode thyristor (TC);
DC. be bidirectional triode thyristor (DC);
R1. be resistance (R1);
R2. be resistance (R2);
R3. be variable resistor (R3);
C2. be electric capacity (C2);
K3. be speed-regulating switch (K3).
The specific embodiment
The operation pedestrian preferably puts on safety goggles and mouth mask by liking and custom is selected foliage pressure-vacuum machine for use, also will with shoulder belt 43 be enclosed within on the shoulder with casing on; Pull out the telescoping tube of pressure-vaccum, regulate rotating speed, mix up assist handle; The inspection power supply is mixed the long line of enough power supplys, checks insurance once more, presses description, and runin has checked that the leaf district does not have cullet and electric wire once, and just available foliage pressure-vacuum machine is done under the situation of safety, must note the rainy situation of weather simultaneously.
Below solve the specific embodiment that its technical problem takes with regard to the present invention again and make details:
Because a kind of improvement of low vibration foliage pressure-vacuum machine comprises and installs movable assist handle, the improvement of dust bag support and tying additional; Be that bodice upper casing dust mouth adds soft, blow impeller and add cutting edge that circuit adds insurance and biswitch; Reach the material and the honeycomb that add the noise elimination vibration damping in the blower; Roller changes into and can turn to, and changes single protruded tube the multiple comprehensive improvement of many protruded tubes or flexible folding pipe into, so operating handle and effect all have change.Because described improved low vibration foliage pressure-vacuum machine, by tapping screw 1, bodice upper casing 2, power line 3, cable cover(ing) 4, switch trigger 5, switch trigger spring 6; Terminal board 7, cable pressing plate 8, electric capacity 9, tapping screw 10, main switch 11, governor 12, rubber sheet gasket 13; Motor 14, fan blade pad 15 blows impeller 16, hex nut 17, fan blade patch 18, tapping screw 19 rotates shaft-cup 20; Spring 21, back-up ring 22, pressure-vaccum change-over panel 23, bodice drain pan 24, safety switch 25, turning cylinder 26, pressure-vaccum conversion turn-knob 27; Side button 28, torsion spring 29, torsion axis 30, telescoping tube 31, shaft block ring 32, wheel 33, wheel shaft 34; Dust bag support 35, dust bag 36, hexagon-headed bolt 37, square assist handle knob 38, tapping screw 39, auxiliary handle lid 40 is at the bottom of the auxiliary handle 41; M6 nut 42, braces 43, and nylon cable tie 44, elasticity is bumped pearl autonavigator 45, or many protruded tubes 46, or flexible folding pipe 47,48 compositions of the many protruded tubes that blow out; Described tapping screw 1 is a plurality of, its fixing described bodice upper casing 2 and bodice drain pan 24; During its assembly method, play self-tapping screw and will use the pneumatic screw of deciding moment of torsion to criticize or electric screw is criticized, so that moment of torsion is rationally even; Because described bodice upper casing 2 is that the right dress of a first from left closes with bodice drain pan 24, it contains handle part again, the assist handle position, and protruded tube stop position, motor spiral case position, pressure-vaccum changes a position, position, dust mouth, and several plug-in positions; On the handle part of bodice upper casing 2 that the right dress of described the first from left closes and bodice drain pan 24, the described power line 3 of packing into according to this, cable cover(ing) 4, switch trigger 5; Switch trigger spring 6, terminal board 7, cable pressing plate 8, electric capacity 9; Tapping screw 10, main switch 11, governor 12; On the motor spiral case position of bodice upper casing 2 that the right dress of described the first from left closes and bodice drain pan 24, the described rubber sheet gasket 13 of packing into according to this, motor 14, fan blade pad 15 blows impeller 16, hex nut 17, fan blade patch 18; The bodice upper casing 2 that dress closes on described the first from left right side and the pressure-vaccum of bodice drain pan 24 change a position, and the described tapping screw 19 of packing into according to this rotates shaft-cup 20, spring 21; Back-up ring 22, pressure-vaccum change-over panel 23, bodice drain pan 24; Safety switch 25, turning cylinder 26, pressure-vaccum conversion turn-knob 27; The bodice upper casing 2 that dress closes on described the first from left right side and the protruded tube stop position of bodice drain pan 24, the described side button 28 of packing into according to this, torsion spring 29, torsion axis 30 and telescoping tube 31; Described telescoping tube 31 contains cylinder and square tube and forwardly interconnected, and is provided with peace wheel position in preceding bottom; The peace wheel position that is provided with in the preceding bottom of described telescoping tube 31, the described shaft block ring 32 of packing into according to this, wheel 33, wheel shaft 34; The bodice upper casing 2 that dress closes on described the first from left right side and the position, dust mouth of bodice drain pan 24 are provided with soft 2a; Described soft a slice at least, or multi-disc, for example three, like Fig. 4, Fig. 5 and shown in Figure 11; Described soft is located at upper casing usually, looks the type difference, or all establishes it at two shells; Described soft is directly injection-moulded on the shell usually, its triangular in shape or oblique quadrangle or trapezoidal; Perhaps, described soft is not directly injection-moulded on the shell, then uses flexible material, and fabric for example is unlikely to too violent so blow out when foreign material are gone into bag, and sack also is difficult for falling; Because the outside at the position, dust mouth of bodice upper casing (2) that dress closes on described the first from left right side and bodice drain pan (24) is provided with two draw-in grooves, hang dust bag support 35 and dust bag 36 again so be convenient to card; Because described dust bag support 35 is provided with hook 35a, hook muscle 35b links up with sideshake 35c, and big bagging circle 35d and little bagging circle 35e again; Original hook muscle 35b has only 2, and support power is relatively poor, causes hook 35a to have once in a while and gets loose; Change hook muscle 35b at present into, have 3 or more, support power is higher, makes hook 35a be difficult for getting loose; Described dust bag (36) is made by fabric, is provided with to march and two related buckling, and is convenient to make buckle on the hook that hangs over the plug-in position on the described shell; Remove to pour out broken leaf and use for drawing back bag and march; Again because adopted a kind of dust bag support to prick improving one's methods of sack: promptly at first be ready to the commercially available nylon cable tie 44 that has barb to buckle, be placed in the fabric of dust bag 36, bag process suture 36 with sewing machine again; Open then and march; The band 44 that encases the suture 36 of the fabric of the dust bag for preparing 36 on the limit is put between the big bagging circle 35d and little bagging circle 35e of described dust bag support 35, and the big opening part from marching puts in pliers; Tension has the nylon cable tie 44 of barb button; And cut off oversize band and just become, being prone to again make, bag is firm again; Again because of the bodice upper casing 2 that closes at the right dress of described the first from left and the assist handle position of bodice drain pan 24, the described hexagon-headed bolt 37 of packing into according to this, square assist handle knob 38; Tapping screw 39, auxiliary handle lid 40 is at the bottom of the auxiliary handle 41; M6 nut 42 has been formed movable assist handle; On the auxiliary handle lid 40 of described assist handle, referring to Fig. 6, Fig. 7 and Figure 10 are provided with curved connection handle 40a, so be convenient to protect the back of the hand, also are provided with the stupefied 40b of a plurality of radiation teeth of end, also favourable screens.Auxiliary handle 2b on the pressure-vaccum casing of original another style, shown in figure 11, fix, not as described auxiliary handle lid 40 good smoothly grabbing.
Because adopt the improved safety circuit that is added with the insurance protection of a kind of low vibration foliage pressure-vacuum machine provided by the invention, so safer.The improvement of described a kind of low vibration foliage pressure-vacuum machine, it contains the safety circuit that is added with the insurance protection, referring to circuit diagram shown in figure 25, by terminal board 7; Insurance RC, double-pole switch K, inductance L; Capacitor C, and be provided with the series excited machine M of winding and 12 compositions of governor; Described governor 12 is by bidirectional triode thyristor TC and bidirectional triode thyristor DC, resistance R 1, and resistance R 2, variable resistor R3, capacitor C 2 and speed-regulating switch K3 form; The present invention specially is added with double-pole switch K and insurance RC, and it uses fuse, or uses thermal relay, or uses overcurrent protector, in the hope of safer; Why interior the having of power supply insured, also add insurance? Because power supply source also supplies many places, its insurance is often too big, just is not fit to this money foliage pressure-vacuum machine; Described variable resistor R3 and speed-regulating switch K3 come down to potentiometer, when it is rotated, the angle of flow of bidirectional triode thyristor are changed, and make motor speed adjustable, go to end points when making speed-regulating switch closed, then are at full speed.
Because adopt the improvement of described a kind of low vibration foliage pressure-vacuum machine; Particularly adopt the material of different collocation according to different type of machines; It contains the inside and outside moving scheme of the vibration damping that adds damping deadener and honeycomb structure in the many places of blower that reaches of blower; Be major contribution of the present invention, so the shock-absorbing and noise-eliminating scheme also can be used for other multiclass such as grass-mowing machine and dust catcher.Cause adds the moving foamed plastics of vibration damping at motor, and adds the damping deadener in the many places of blower, and in the many places, air channel of blowing and inhaling honeycomb structure is set, and it is illustrated shown in the vibration-absorbing and silencing place 43 of Fig. 4; Inside and outside casing, and inside and outside each telescoping tube, establish many places vibration-absorbing and silencing honeycomb structure, it is many intensive interconnected hexagons and contains the noise elimination Wedge structure, and its density and breadth depth ratio thereof are relevant with the vibration parameters and the noise properties of blower, repeatedly test; Inside and outside casing, and inside and outside each telescoping tube and outside the motor, the shock-absorbing and noise-eliminating material that installs additional, or use metallic fiber, or nonmetals, fill or partly fill; Or with the damping material of temperature in anti-porous absorption material particularly, or flexible material, and film material; Described porous material can be fiber-like, the foam class, and particulate species, single with good, more or less mixing application is good; Usable fibers class such as rock wool, or glass fiber, or glass wool super glass wool particularly; Or use the foam class, leaning on temperature rise eminence such as motor place, fireproof; Or with particulate species such as expanded perlite, porous clay brick, and the fabric of heatproof, felt is filled, or attaches; Described honeycomb structure also can attach prefabricated back, or mixes mold pressing.Because sound absorption coefficient (standing-wave-tube method sound absorption coefficient, the reverberation method sound absorption coefficient) difference of each material, incident angle is also influential to sound absorption coefficient; What have is better to the high frequency sound absorption, and what have absorbs better all-bottom sound, and multiple material has complementary usefulness; Vibration involves noise and is reflected, and transforms, and absorbs; Decay is so help further improved performance index.
The annex of original blower product only has braces 43, hang on the shell with the back of the body on operator's shoulder; The present invention's suggestion, improved low vibration foliage pressure-vacuum machine adds mouth mask in its annex, and gloves and safety goggles and insurance, even long line so both promoted product specification, have made things convenient for the user again.
Because a kind of improvement of low vibration foliage pressure-vacuum machine; It contains and blows the improvement that impeller adds cutting edge; Promptly be equipped with cutting edge at the described impeller that blows, like Fig. 8, and the cutting edge that amplifies is shown in figure 18; Contain top cutting edge 16a and side week cutting edge 16b, the impeller blade end face that blows of described top cutting edge 16a is an acute angle with the angle that blows the impeller blade front; And the impeller blade lateral circle surface angle positive with blowing impeller blade that blow of described side week cutting edge 16b also is acute angle; Describedly blow cutting edge that impeller adds or shorter along the part, edge of face of blade, or along the edge big longer; Its cutting edge is straight sword or arcuate blade, or rolls over sword more, and its arcuate blade is archimedes line, or parabola.As improvement, blow impeller also or can be equipped with the shear-steel cutter in addition described, for example use the bar shaped cutter; As improvement, blow on the impeller blade described, also can establish and contain a plurality of ellipses and hexagonal noise reduction hole, this all favourable fragment and pressure-vaccum.
Because change the roller of kiss the earth can turn to into; Become and be prone to turn to blower; Another designs and varieties of blower have not only been increased; And satisfied that some operation pedestrian likes and when be accustomed to use blower, in the local time of particularly running into the corner, glance right and left and turn over angle and come pressure-vaccum to make things convenient for the requirement of working.Again because split the axle stand of original telescoping tube 31 lower head; Make it to become an independently part axle stand 31a; A hole is established in place in that original telescoping tube 31 lower head are laid axle stand; To insert the vertical shaft of the ring draw-in groove on the described axle stand 31a, shown in the explosive view of Figure 23; All the other are still and in axle stand 31a, wear wheel shaft 34 with original the same, set up one wheel pairs 33 again, respectively load onto shaft block ring 32, so also more convenient.
Because adopted improvement,, change singly stretch out tube as many protruded tubes 46 into promptly like Figure 20 and shown in Figure 22; And establish autonavigator, for example elasticity is bumped pearl autonavigator 45, or the autonavigator of collision block; Or the autonavigator of torsion spring, do not remove button with hand again and do not choose, so dwindled volume; Arbitrarily pulling-down had put in place and had both located automatically, had improved work efficiency, had reduced cost of transportation.The described many protruded tubes 46 that match with autonavigator are more pieces, for example 4 joints; Many protruded tubes 46 are equipped with groove and locator is adaptive.
Because adopted significant improvement, associated the principle that can freely draw in the telescopic antenna of pulling out, improve it and use blower and make many protruded tubes 46, shown in figure 24, might as well call little suction pipe many protruded tubes 48; The characteristic of described many protruded tubes 46 and many protruded tubes 48 all is end in-flangess, and other end flanging; And its in single file one the joint connect a joint, be more piece, minimum 4 the joint, so pull out or return freely, because of all the convex-concave screens being arranged at its flange place.Because of the pipe range of blower is pressed standard such as IEC60335-2-100, or, all be merely 0.9 meter, so pull bar length can be implemented by standard such as BSEN15503:2009.
Again because adopted another significant improvement; Not only associated the principle that can freely draw in the accordion of pulling out, and the dust catcher commonly used and the flexible pipe folded of washing machine, and its improvement and use blower and make many protruded tubes; Shown in figure 21, might as well call flexible folding pipe 47 to pipe; Be convenient location, or also use with many protruded tubes (48); The characteristic of described flexible folding pipe 47 is: it has a plurality of folding; No matter its side of being, cross section or circle or other shape; The adjacent ring week of its pipe be a great circle one enclose the land for a short time alternately promptly in single file a slubbing connect a details, its joint is a more piece, minimum 4 the joint or more; Perhaps, the tubing of described flexible folding pipe 47 is with flexible material such as fabric, cloth, and plastic film is interval with a plurality of rings along flexible pipe simultaneously, or interior or outer along flexible pipe, and the suit helical spring is pulled out so that support and draw in as the interval ring; This helical spring is sparse and flexibility, so can significantly regain.
Again because adopted improved another important provide of the present invention to a kind of low vibration foliage pressure-vacuum machine; Be and improve the method that contains laser of making and assembling precision; Motor improves in system has laser to sight improving one's methods of frock again with blowing the impeller axiality and surveying dynamically balanced existing precision modulding parts, so product quality has raising.Because of the very big root of the vibration of blower and noise precision and form and position tolerance at power and instrument; So improve motor and blow the impeller axiality; And to survey dynamic equilibrium, in the hope of this hard nut to crack of leaving over for a long time of low vibration low noise certain curative effect is arranged to blower; At first,,, also strengthened motor and blown the impeller magnitude of interference, used afterburning frock clamp pressing more for example to motor and the requirement of blowing impeller assembly axiality and form and position tolerance from the requirement of drawing design the raising to form and position tolerance; Moreover, preparing precision die with numerical control CNC machining center, and plastic is carried out post processing as blowing impeller, its main method is to use the high-temperature vapour method, preferably steaming is enough more than three hours, does not lose shape so the plastic size is yielding; Secondly, for improving motor and blow the impeller axiality, during assembling; Adopt special-purpose calibration motor and blow the frock press that has laser to sight of impeller assembly axiality, after the pressing, and survey the dynamic equilibrium correction through bulk sampling and just upward produce line; And the survey dynamic equilibrium of also sampling of last complete machine so be aided with many places shock-absorbing and noise-eliminating material again, a kind ofly has improved and vibration damping with regard to comprehensively having formed; Safety, the low vibration foliage pressure-vacuum machine of handy top grade.
Claims (6)
1. low vibration foliage pressure-vacuum machine comprises and installs movable assist handle, the improvement of dust bag support and tying additional; Bodice upper casing dust mouth adds soft; Blow impeller and add cutting edge, circuit adds insurance and biswitch, and adds noise elimination damping material and honeycomb in the blower; Roller changes into and can turn to, and changes single protruded tube into many protruded tubes or flexible folding pipe; Described improved low vibration foliage pressure-vacuum machine, by tapping screw (1), bodice upper casing (2), power line (3), cable cover(ing) (4), switch trigger (5), switch trigger spring (6); Terminal board (7), cable pressing plate (8), electric capacity (9), tapping screw (10), main switch (11), governor (12); Rubber sheet gasket (13), motor (14), fan blade pad (15) blows impeller (16), hex nut (17), fan blade patch (18); Tapping screw (19) rotates shaft-cup (20), spring (21), back-up ring (22), pressure-vaccum change-over panel (23), bodice drain pan (24); Safety switch (25), turning cylinder (26), pressure-vaccum conversion turn-knob (27), side button (28), torsion spring (29), torsion axis (30); Telescoping tube (31), shaft block ring (32), wheel (33), wheel shaft (34), dust bag support (35), dust bag (36); Hexagon-headed bolt (37), square assist handle knob (38), tapping screw (39), auxiliary handle lid (40), at the bottom of the auxiliary handle (41), M6 nut (42); Braces (43), and nylon cable tie (44), elasticity is bumped pearl autonavigator (45), or many protruded tubes (46), or flexible folding pipe (47), and the many protruded tubes (48) that blow out are formed; It is characterized in that: described tapping screw (1) is a plurality of, its fixing described bodice upper casing (2) and bodice drain pan (24); Described bodice upper casing (2) and bodice drain pan (24) they are that the right dress of a first from left closes, and it contains handle part, the assist handle position, and protruded tube stop position, motor spiral case position, pressure-vaccum changes a position, position, dust mouth, and several plug-in positions; On the handle part of described bodice upper casing (2) and bodice drain pan (24), described power line (3) is housed according to this, cable cover(ing) (4), switch trigger (5); Switch trigger spring (6), terminal board (7), cable pressing plate (8), electric capacity (9); Tapping screw (10), main switch (11), governor (12); On the motor spiral case position of described bodice upper casing (2) and bodice drain pan (24), described rubber sheet gasket (13) is housed according to this, motor (14), fan blade pad (15) blows impeller (16), hex nut (17), fan blade patch (18); Pressure-vaccum at described bodice upper casing (2) and bodice drain pan (24) changes a position, and described tapping screw (19) is housed according to this, rotates shaft-cup (20), spring (21); Back-up ring (22), pressure-vaccum change-over panel (23), bodice drain pan (24); Safety switch (25), turning cylinder (26), pressure-vaccum conversion turn-knob (27); At the protruded tube stop position of described bodice upper casing (2) and bodice drain pan (24), described side button (28) is housed according to this, torsion spring (29), torsion axis (30) and telescoping tube (31); Described telescoping tube (31) or cylinder or square tube are also forwardly interconnected, and are provided with peace wheel position in preceding bottom; Described shaft block ring (32) is equipped with, wheel (33), wheel shaft (34) according to this in the peace wheel position that is provided with in the preceding bottom of described telescoping tube (31); Position, dust mouth at described bodice upper casing (2) and bodice drain pan (24) is provided with soft (2a); Outside at the position, dust mouth of described bodice upper casing (2) and bodice drain pan (24) is provided with two draw-in grooves, and card is hung dust bag support (35) and dust bag (36) on it; Described dust bag support is provided with hook (35a), hook muscle (35b), hook sideshake (35c), and big bagging circle (35d) and little bagging circle (35e); Described dust bag (36) is made by fabric, and is provided with and marches and two related buckling; The band (44) that encases the limit with suture (36) of the dust bag for preparing (36) is placed between big bagging circle (35d) and the little bagging circle (35e) of described dust bag support (35) and is tightened; At the assist handle position of described bodice upper casing (2) and bodice drain pan (24), described hexagon-headed bolt (37) is housed according to this, square assist handle knob (38); Tapping screw (39), auxiliary handle lid (40) is at the bottom of the auxiliary handle (41); M6 nut (42) is formed movable assist handle; On the auxiliary handle lid (40) of described assist handle, be provided with curved connection handle (40a), also be provided with a plurality of radiation teeth stupefied (40b) of end; The described safety circuit that is added with insurance protection, by terminal board (7), insurance RC, double-pole switch K, inductance L, capacitor C, and be provided with the series excited machine M of winding, and governor (12) is formed; Described governor (12), by bidirectional triode thyristor (TC) and bidirectional triode thyristor (DC), resistance (R1), resistance (R2), variable resistor (R3), electric capacity (C2) and speed-regulating switch (K3) are formed; Inside and outside blower, reach and be added with the shock-absorbing and noise-eliminating material, and establish many places vibration-absorbing and silencing honeycomb structure in the many places of blower; Add mouth mask in the annex of improved blower, gloves and safety goggles and insurance; The described impeller that blows is equipped with cutting edge, contains top cutting edge (16a) and side week cutting edge (16b).
2. low vibration foliage pressure-vacuum machine according to claim 1 is characterized in that: described soft a slice at least, or multi-disc, and for example three, and its triangular in shape or oblique quadrangle or trapezoidal.
3. low vibration foliage pressure-vacuum machine according to claim 1 is characterized in that: described soft is not directly injection-moulded on the shell, and uses flexible material, for example fabric.
4. low vibration foliage pressure-vacuum machine according to claim 1 is characterized in that: described hook muscle (35b) has 3, or more.
5. low vibration foliage pressure-vacuum machine according to claim 1 is characterized in that: described band is the nylon cable tie (44) that has barb to buckle.
6. low vibration foliage pressure-vacuum machine according to claim 1; It is characterized in that: described roller kiss the earth changes into and can turn to; System splits the axle stand of original telescoping tube (31) lower head; Make it to become an independently part axle stand (31a), and establish a hole, insert the vertical shaft of the ring draw-in groove on the described axle stand (31a) again in the place that original telescoping tube (31) lower head is laid axle stand; In axle stand (31a), wear wheel shaft (34) again, and set up one wheel pairs (33), and respectively load onto shaft block ring (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201765498U CN202157288U (en) | 2011-05-24 | 2011-05-24 | Low-vibration leaf blowing and sucking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201765498U CN202157288U (en) | 2011-05-24 | 2011-05-24 | Low-vibration leaf blowing and sucking machine |
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| Publication Number | Publication Date |
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| CN202157288U true CN202157288U (en) | 2012-03-07 |
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| CN2011201765498U Expired - Lifetime CN202157288U (en) | 2011-05-24 | 2011-05-24 | Low-vibration leaf blowing and sucking machine |
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| CN (1) | CN202157288U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850206A (en) * | 2012-11-30 | 2014-06-11 | 苏州宝时得电动工具有限公司 | Blowing sucking machine |
| CN104827338A (en) * | 2014-02-12 | 2015-08-12 | 力山工业股份有限公司 | Dust collecting device and saw cut dust collecting device of machine |
| CN105248156A (en) * | 2015-10-13 | 2016-01-20 | 宁波大叶园林设备有限公司 | Blowing-absorbing machine containing centrifugal carbon brush plug and thread jamming seat motor |
| CN105274952A (en) * | 2015-09-06 | 2016-01-27 | 宁波大叶园林设备有限公司 | Low-vibration leaf blowing and sucking machine with safety gate with logarithmic spiral of which pressure angles are equal everywhere |
| CN105297659A (en) * | 2015-10-13 | 2016-02-03 | 宁波大叶园林设备有限公司 | Blowing-sucking machine adopting motor with logarithmic-spiral wire clamping bases with constant pressure angle |
| CN105714719A (en) * | 2016-01-29 | 2016-06-29 | 成都绿迪科技有限公司 | Garden leaf suction machine |
| US11434929B2 (en) | 2019-08-02 | 2022-09-06 | Techtronic Cordless Gp | Blowers having noise reduction features |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850206A (en) * | 2012-11-30 | 2014-06-11 | 苏州宝时得电动工具有限公司 | Blowing sucking machine |
| CN104827338A (en) * | 2014-02-12 | 2015-08-12 | 力山工业股份有限公司 | Dust collecting device and saw cut dust collecting device of machine |
| CN104827338B (en) * | 2014-02-12 | 2017-08-11 | 力山工业股份有限公司 | Dust collecting device and saw cut dust collecting device of machine |
| CN105274952A (en) * | 2015-09-06 | 2016-01-27 | 宁波大叶园林设备有限公司 | Low-vibration leaf blowing and sucking machine with safety gate with logarithmic spiral of which pressure angles are equal everywhere |
| CN105274952B (en) * | 2015-09-06 | 2017-12-12 | 宁波大叶园林设备股份有限公司 | Has the low vibration foliage pressure-vacuum machine of the pressure angle safety door of equal logatithmic spiral everywhere |
| CN105297659A (en) * | 2015-10-13 | 2016-02-03 | 宁波大叶园林设备有限公司 | Blowing-sucking machine adopting motor with logarithmic-spiral wire clamping bases with constant pressure angle |
| CN105248156A (en) * | 2015-10-13 | 2016-01-20 | 宁波大叶园林设备有限公司 | Blowing-absorbing machine containing centrifugal carbon brush plug and thread jamming seat motor |
| CN105714719A (en) * | 2016-01-29 | 2016-06-29 | 成都绿迪科技有限公司 | Garden leaf suction machine |
| US11434929B2 (en) | 2019-08-02 | 2022-09-06 | Techtronic Cordless Gp | Blowers having noise reduction features |
| US11841023B2 (en) | 2019-08-02 | 2023-12-12 | Techtronic Cordless Gp | Blowers having noise reduction features |
| US11778960B2 (en) | 2020-01-21 | 2023-10-10 | Techtronic Cordless Gp | Blowers |
| US11817073B2 (en) | 2020-01-21 | 2023-11-14 | Techtronic Cordless Gp | Power tool having noise reduction features |
| US11889794B2 (en) | 2020-12-30 | 2024-02-06 | Milwaukee Electric Tool Corporation | Handheld blower |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315400 Yuyao, Zhejiang Yangming Road East, Ningbo, large garden equipment Co., Ltd. Patentee after: Ningbo big leaf garden equipment Limited by Share Ltd Address before: 315400 Yuyao, Zhejiang Yangming Road East, Ningbo, large garden equipment Co., Ltd. Patentee before: Equipment Co., Ltd. Ningbo Ye Yuanlin |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |