CN107268501A - Portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine - Google Patents

Abstract

The portable tool stator of regeneration product noise reduction connect fan blade rotate and the leaf machine that blows of brushless motor that rotor does not turn its essence is the problem of cantilever fine strain of millet structure is the single beam structure that change of the mechanics of materials, and air duct change silencer well；But people is exactly unexpected.Rotor portion will be stretched out a very long thin motor output shaft to get rid of, motor is not realized on the extension line of the length of the axial outside of motor and the connection of paddle wheel fan is blown, avoid fatal hard nut to crack, or else motor and the output shaft blown between paddle wheel fan can form the long cantilever fine strain of millet structure of a mechanics of materials, position section between the bearing at motor two ends, which is directly set, blows paddle wheel fan center, it is the arm of force and blows the radial direction centrifugation component on paddle wheel fan to be harmful inclined torque very big formed by inclined power so as to the length for the stretching for removing output shaft, substantial amounts of motor is not consumed excessively to exert oneself, the amount of deflection and rotary inertia square of axle are not increased, so as to no longer restrict blower or blow the high speed strength air-out of leaf machine；Solve world-famous puzzle.Inventive concept method is casted a brick to attract jade.

Description

Portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine

Technical field

The present invention relates to a kind of portable electric work for place pressure-vaccum leaves such as flower bed, garden, park and road sides Tool, especially a kind of improvement of low vibration foliage pressure-vacuum machine, comprising the assist handle for installing activity additional, dust bag bracket and tying Improvement, bodice upper casing dust mouth adds soft, blows impeller plus cutting edge, and circuit adds additional in insurance and biswitch, and blower The material and honeycomb of silencing vibration-damping, roller is changed to turn to, and in the tool pressure angle safety door of equal logatithmic spiral everywhere On the basis of low vibration foliage pressure-vacuum machine, improved portable tool stator connects fan blade and rotated and brushless motor that rotor does not turn Blow leaf machine.

Background technology

Blower is widely used in the selected mode of hobby by people to clear up leaf.Some operation pedestrians like During with custom blower, when particularly running into corner place, glance right and left and turn over angle and carry out pressure-vaccum, if contact ground Roller be changed to turn to, can conveniently work；Operate the height of pedestrian different, and custom takes operating angle not Together, it is necessary to which assist handle is adjustable, and original fixed assist handle not enough claims hand.The insurance of power supply source is and past because supplying multichannel Be not suitable for toward to a blower, and former pressure-vaccum self-contained circuit lacks overloading protection, if plus insurance and biswitch, it will it is safer. Low vibration and low noise, also there is the necessity further optimized；If considering in the dynamic foamed plastics of the additional vibration damping of motor and blowing The many places plus-minus shake deadener and honeycomb structure of suction machine, can there is certain curative effect；And very big of the vibration of grass-mowing machine and noise Dynamically balanced improve according to improving motor and blow impeller axiality, and is surveyed in source in the precision and form and position tolerance of power and instrument Method, when what is be desirable to, but pursues the low vibration low noise of blower, is in fact a hard nut to crack left for a long time. Dust bag bracket and tying, have filled more easy landing, must also improve；Blower bodice upper casing dust mouth, when particularly commutating sometimes Wind is violent, need to add soft；Impeller plus cutting edge are blown, the big inhalation (inhalatio) that cutting is easily blocked up, which is worked as, effect；And if single protruded tube is changed For many protruded tubes or flexible folding pipe, volume can be reduced.New safety will can not have 8 millimeters of straight rods to detect pressure-vaccum from dust mouth Machine fan, therefore set safety door.Though portable operation is convenient, its motor is limited it by the happy and auspicious volume of weight and exerted oneself It is all less than normal, it is impossible to meet the very big requirement of not only light but also wind-force.The outer stator of brush motor does not turn only inner rotator swivel product It is big and its brush easily plays spark and easy to wear.It is generally used for blower or blows the outer rotor horse of the common brushless motor of leaf machine The stationary part reached its stator outside motor is big and inserting slot of stator winding is just big, does not meet light small big expectation of exerting oneself； Particularly its rotor portion for having winding will stretch out a very long thin motor output shaft, in the axial outside of motor Length extension line on could realize and motor and blow the connection of paddle wheel fan, this results in a fatal hard nut to crack, horse Reach and blow the cantilever fine strain of millet structure that the output shaft between paddle wheel fan just forms a mechanics of materials, motor-end and blow paddle wheel fan The length of output shaft between center is the arm of force, and the radial direction centrifugation component blown on paddle wheel fan is inclined power, this arm of force and inclined power shape Into very big harmful inclined torque, consume substantial amounts of motor and exert oneself, it is not necessary to the amount of deflection and rotary inertia square of strategic point increase axle, system About blower or blow the high speed strength air-out of leaf machine.Solve global hard nut to crack easier said than done.To this kind of product How further to improve, associate the present inventor and be once particularly related to abroad in Switzerland as senior engineer SENIOR ENGINEER Lifetime experience of manufacture, is improved special kneading, then is aided with invention research and development and be expected to make product attain a yet higher goal, just like silkworm in spring To dead silk not to the utmost, the perfection that the mankind pursue invention be it is endless, can noise reduction sound-deadening, portable tool stator of the invention connects Fan blade rotate and rotor not the brushless motor that turns blow leaf machine arise at the historic moment.

The content of the invention

In order to make up the shortcoming caused by the existing mechanism of blower, low vibration foliage pressure-vacuum machine is being improved, is being brought into contact with ground The roller in face can be turned to and is more convenient；Adjustable assist handle is operated more to claim hand；Pressure-vaccum self-contained circuit is safer；Low vibration and Low noise has optimization；Dust bag bracket and tying are firmly without sliding；Blower dust mouth wind is milder；Blow impeller plus cutting edge Cleavable easily stifled thing；Single protruded tube is changed to many protruded tubes or flexible folding pipe further to reduce many before volume to change Uncommon product is attained a yet higher goal under the promotion of leather, innovation design is hovered such as ghost for a long time, with Switzerland senior engineer SENI.ENGI. lifetime experience and international co-operation, are thousand worries and good fortune has one, and then portable tool stator of the invention connects wind Leaf rotate and rotor not the brushless motor that turns blow leaf machine arise at the historic moment, change long cantilever fine strain of millet its essence is the mechanics of materials The problem of for short cantilever fine strain of millet or single beam, but people is exactly unexpected.The rotor portion for it being had rotor will stretch out one very long Thin motor output shaft is got rid of, and motor is not realized on the extension line of the length of the axial outside of motor and paddle wheel fan is blown Connection, avoid fatal hard nut to crack, or else motor and the output shaft blown between paddle wheel fan can form a material power Position section between long cantilever fine strain of millet structure, the bearing at motor two ends, which is directly set, blows paddle wheel fan center, so as to remove output The length of the stretching of axle be the arm of force with blow the centrifugation component of the radial direction on paddle wheel fan be formed by inclined power it is very big harmful inclined Torque, does not consume substantial amounts of motor excessively and exerts oneself, and does not increase the amount of deflection and rotary inertia square of axle, so as to no longer restrict blower Or blow the high speed strength air-out of leaf machine；Exert oneself at double and solve world-famous puzzle.Innovation is thought wadding and pushed up accumulateing：Must also noise reduction sound-deadening, appearance Explained in detail, the remaining inner feelings of invention is sent in examination, is not expected and is left behind a good reputation after one's death, merely casts a brick to attract jade.

The present invention solves the technical scheme and method that its technical problem is taken, and first says gradual perfection, besides specifically improve：

A kind of improvement of low vibration foliage pressure-vacuum machine, comprising the assist handle for installing activity additional, dust bag bracket and tying Improve, bodice upper casing dust mouth adds soft, blow impeller plus cutting edge, circuit adds additional in insurance and biswitch, and blower disappear The material and honeycomb of sound vibration damping, roller are changed to turn to, and single protruded tube is changed to many protruded tubes or flexible folding pipe；Institute The improved low vibration foliage pressure-vacuum machine stated, by tapping screw (1), bodice upper casing (2), power line (3), cable cover(ing) (4), Trigger (5) is switched, switch trigger spring (6), terminal board (7), cable pressing plate (8), electric capacity (9), tapping screw (10), master opens Close (11), speed regulator (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), rotary shaft (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 bracket (35), collection Dirt bag (36), hexagon-headed bolt (37), square assist handle knob (38), tapping screw (39), auxiliary handle lid (40) is auxiliary Assistant is bottom (41), M6 nuts (42), brace (43), and nylon cable tie (44), elastic collision bead autonavigator (45), or Many protruded tubes (46), or flexible folding pipe (47), many protruded tubes (48) of blowout are constituted；It is characterized in that：Described self tapping spiral shell Nail (1) is multiple, and it fixes described bodice upper casing (2) and bodice drain pan (24)；Its assembly method has what any to be pointed out It is to beat the self-tapping screw pneumatic screw batch or electric screwdriver for determining moment of torsion, so that moment of torsion is rationally uniform；Described bodice Upper casing (2) and bodice drain pan (24) are that the right dress of a first from left is closed, and it contains handle part, assist handle position, protruded tube limiter Position, motor spiral case position, pressure-vaccum changes a position, dust mouth position, and several plug-in positions；In the described right dress of a first from left On the bodice upper casing (2) of conjunction and the handle part of bodice drain pan (24), described power line (3), cable cover(ing) are loaded according to this (4), switch trigger (5), switch trigger spring (6), terminal board (7), cable pressing plate (8), electric capacity (9), tapping screw (10), Main switch (11), speed regulator (12)；The bodice upper casing (2) and the motor of bodice drain pan (24) closed in the described right dress of a first from left On spiral case position, described rubber sheet gasket (13) is loaded according to this, motor (14), fan blade pad (15) blows impeller (16), hexagonal Nut (17), fan blade patch (18)；The bodice upper casing (2) and the pressure-vaccum of bodice drain pan (24) closed in the described right dress of a first from left A position is changed, described tapping screw (19) is loaded according to this, shaft-cup (20), spring (21), back-up ring (22), pressure-vaccum change-over panel is rotated (23), bodice drain pan (24), safety switch (25), rotary shaft (26), pressure-vaccum conversion turn-knob (27)；In the described right dress of a first from left The bodice upper casing (2) of conjunction and the protruded tube limiter position of bodice drain pan (24), load described side button (28) according to this, turn round Spring (29), torsion axis (30) and telescoping tube (31)；Described telescoping tube (31) is interconnected containing cylinder and square tube and in front portion, and Front lower portion is provided with peace wheel position；The peace wheel position being provided with the front lower portion of described telescoping tube (31), loads described axle according to this With back-up ring (32), wheel (33), wheel shaft (34)；The bodice upper casing (2) and bodice drain pan (24) closed in the described right dress of a first from left Dust mouth position, provided with soft (2a)；Described soft is at least a piece of, or multi-disc, such as three, such as Fig. 4, Fig. 5 and Shown in Figure 11；Described soft is usually provided at upper casing, different depending on type, or is all set in two shells；Described soft is generally straight Connect and be moulded on shell, its triangular in shape or oblique quadrangle or trapezoidal；Or, described soft is not directly injection-moulded on shell, then With flexible material, such as fabric；In the described bodice upper casing (2) of the right dress conjunction of a first from left and going out for bodice drain pan (24) The outside of dirt oral area position is provided with two necks, so that card hangs dust bag bracket (35) and dust bag (36)；Described dust bag branch Frame (35), as shown in Fig. 2, Fig. 3 and Figure 14, provided with hook (35a), hook muscle (35b), hook sideshake (35c), and big bagging Enclose (35d) and small bagging circle (35e)；Original hook muscle (35b), as shown in Fig. 2 only 2, support force is poor, causes hook (35a) has to be released once in a while；Hook muscle (35b) is now changed to, as shown in figure 14, there are 3, support force is higher, hook (35a) can be made no Easily release；Described dust bag (36) is made by fabric, provided with march with two it is related buckle, hung over to make to buckle On the hook at the plug-in position on described shell；And march to go to pour out broken leaf to pull open bag and use；One kind is now discussed in detail The improved method that dust bag bracket pricks sack：The commercially available nylon cable tie (44) for having barb button is got out first, is placed on dust bag (36) in fabric, bag again with sewing mechanism into suture (36), as shown in figure 19, then open and march, preparing The suture (36) of fabric of dust bag (36) encase the band (44) on side and be put into the big of described dust bag bracket (35) Between bagging circle (35d) and small bagging circle (35e), from the big opening part marched, it is easy to put in pliers, tension has barb button Nylon cable tie (44), and cut off too long of band；The bodice upper casing (2) and bodice drain pan (24) closed in the described right dress of a first from left Assist handle position, described hexagon-headed bolt (37), square assist handle knob (38), tapping screw are loaded according to this (39), auxiliary handle lid (40), auxiliary handle bottom (41), M6 nuts (42) constitute movable assist handle；Described auxiliary On the auxiliary handle lid (40) of handle, referring to Fig. 6, Fig. 7 and Figure 10, provided with curved connection handle (40a), to protect hand The back of the body, the multiple radiation teeth for being additionally provided with end are stupefied (40b), with sharp screens.Nondominant hand on the pressure-vaccum casing of original another style It is fixed, auxiliary handle lid (40) is not grabbed well smoothly as mentioned as shown in figure 11 (2b).

The invention provides a kind of improved safety circuit added with insurance protection of low vibration foliage pressure-vacuum machine.Described A kind of improvement of low vibration foliage pressure-vacuum machine, it contains the safety circuit added with insurance protection, shown referring to circuit as shown in figure 25 It is intended to, by terminal board (7), insures RC, double-pole switch K, inductance L, electric capacity C, and the series excited machine M provided with winding, and speed governing Device (12) is constituted；Described speed regulator (12) is 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 constituted；The present invention is specially added with double-pole switch K and insurance RC, it uses fuse, or uses electrothermal relay, or uses overcurrent protector, in the hope of safer.Why insure in power supply, also Add insuranceBecause power supply source also supplies many places, it insures often too big, does not fit into this money foliage pressure-vacuum machine.

A kind of improvement of described low vibration foliage pressure-vacuum machine, it is containing inside and outside blower and in many places plus-minus shake of blower The major contribution for subtracting vibration arrangement, being the present invention of deadener and honeycomb structure.The foam plastic moved in the additional vibration damping of motor Material, and honeycomb structure is set in many places plus-minus shake deadener of blower, and in the air channel many places blown and inhaled, it is illustrated As shown in (43) at Fig. 4 vibration-absorbing and silencing；Inside and outside casing, and inside and outside each telescoping tube, if many places vibration-absorbing and silencing honeycomb structure, It is in the hexagon and Wedge structure containing noise elimination of many dense interconnections, its density and its breadth depth ratio, and the vibration with blower is joined Number is relevant with noise properties, repeatedly to test；Inside and outside casing, and inside and outside each telescoping tube and outside motor, the shock-absorbing and noise-eliminating installed additional Material, or metallic fiber, or nonmetallic materials are used, filling or half fill；Or it is particularly porous suction with the sound-absorbing material of resistance to middle temperature Sound material, or flexible material, and film material；Described porous material can be fiber-like, and foam class, particulate species are alone OK, more or less mixing application is good；Usable fibers class such as rock wool, or glass fiber, or mineral wool particularly super glass wool； Or foam class is used, at by temperature rise eminence such as motor, fireproof；Or with particulate species such as expanded perlite, porous clay brick, And the fabric of heatproof, felt is filled, or is attached；Described honeycomb structure prefabricated can also be attached afterwards, or mixing molding.Due to each The acoustic absorptivity (standing-wave-tube method acoustic absorptivity, reverberation method acoustic absorptivity) of material is different, and incident angle also has shadow to acoustic absorptivity Ring, what is had is preferable to high frequency sound absorption, and what is had is preferable to Low Frequency Sound Absorption, multiple material has the efficiency of complementation, vibration, which involves, makes an uproar Sound is reflected, and is converted, and is absorbed, decay, therefore is conducive to further improved performance index.

The annex of original blower product only has brace (43), hangs on shell and the back of the body is on operator's shoulder；The present invention It is recommended that, improved low vibration foliage pressure-vacuum machine will add mouth mask, gloves and safety goggles and insurance in its annex, to be lifted Product specification, and facilitate user.

A kind of improvement of low vibration foliage pressure-vacuum machine, it contains the improvement for blowing impeller plus cutting edge, it is characterized in that：Described blows leaf Wheel is equipped with cutting edge, such as Fig. 8, and the cutting edge amplified is as shown in figure 18, all cutting edges (16b) of cutting edge containing top (16a) and side, institute Blowing impeller blade top surface and blowing the positive angle of impeller blade for the top cutting edge (16a) stated is acute angle；And described side Zhou Ren Blowing impeller blade lateral circle surface and blowing the positive angle of impeller blade for mouth (16b) is also acute angle；Described blows the sword that impeller is added Mouthful or it is local shorter along the edge of face of blade, or along the big portion head in edge；Its cutting edge is straight sword or arcuate blade, or It is many folding swords, and its arcuate blade is archimedes line, or parabola.As an improvement, being also separately equipped with sword in the described impeller that blows Steel knife, for example, use strip-shaped cutter；As an improvement, being blown in described on impeller blade, if containing multiple oval and hexagonal noise reduction Hole.

As an improvement, the roller on contact ground is changed to turn to, blower is turned to as easy, is another flower of blower Chromaticity kind, is liked and during custom blower to meet some operation pedestrians, particularly run into corner it is local when, it is left The right side is turned round and look to expect and turn over angle to carry out pressure-vaccum to facilitate the requirement of work.The axle stand point of original telescoping tube (31) lower head Take apart, make an independent part axle stand (31a), axle stand is laid in original telescoping tube (31) lower head Place set a hole, to insert the vertical shaft of the ring neck on described axle stand (31a), as shown in Figure 23 explosive view；Its Remaining is still that wheel shaft (34) is worn in axle stand (31a) as original, then sets up one wheel pairs (33), respectively loads onto shaft block ring (32)。

As an improvement, as shown in Figure 20 and Figure 22, single cylinder that stretches out is changed to many protruded tubes (46), and sets autonavigator, Such as elastic collision bead autonavigator (45), or collision block autonavigator, or torsion spring autonavigator, without employment again Gone with hand by button, to reduce volume, random pulling-down had both been automatically positioned in place, improved work efficiency.Described and autonavigator The many protruded tubes (46) matched are more pieces, such as 4 sections；Many protruded tubes (46) are all provided with fluted being adapted to locator.

Significant improvement, associates the principle for the telescopic antenna that can freely draw in pull-out, and it is improved and uses blower and is made Many protruded tubes (46), as shown in figure 24, might as well call small suction pipe many protruded tubes (48)；Described many protruded tubes (46, 48) it is characterized in one end in-flanges, and other end flanging；Its in single file one section connect a section, be more piece, it is minimum 4 section, pull out Or return is freely, because there is convex-concave screens at its flange.Because the pipe range of blower presses standard such as IEC60335-2-100, or By standard such as BSEN15503：2009, only 0.9 meter, therefore pull bar length can be implemented.

Another significant improvement, associates the principle for the accordion that can freely draw in pull-out, and conventional dust catcher and washes Clothing machine folds flexible pipe, it is improved and uses blower and makees many protruded tubes, as shown in figure 21, pipe might as well be called flexible folding Folded pipe (47)；For convenience of positioning, or it is used in combination with many protruded tubes (48)；Described flexible folding pipe (47) is characterized in：It has many It is individual to fold, no matter its section side of being circle or other shapes, adjacent ring week of its pipe, which is that a great circle one is small, encloses the land Spaced is that a slubbing connects a details in single file, and its section is more piece, minimum 4 section or more；Or, described flexibility The tubing of folded tube (47) flexible material such as fabric, cloth, plastic film, while be interval with multiple rings along flexible pipe, or along soft Property pipe it is inner or outer, suit helical spring as interval ring, to support and draw in pull-out；The helical spring is sparse With flexibility.

A kind of improved another item important offer of the present invention to low vibration foliage pressure-vacuum machine, is manufactured and assembles to improve The method containing laser of precision, improves motor and blows impeller axiality and survey dynamically balanced existing precision modulding part again There is the improved method that laser sights frock.Because the vibration of blower and the very big root of noise power and instrument precision with Form and position tolerance, so to improve motor and blow impeller axiality, and will survey dynamic balancing, in the hope of the low vibration low noise to blower This hard nut to crack left for a long time of sound has certain curative effect；First, improved from layout design and form and position tolerance is wanted Ask, such as, to motor and the requirement for blowing impeller assembly axiality and form and position tolerance, also increase motor and blow the impeller magnitude of interference, Pressed again with reinforcing frock clamp；Moreover, precision die is prepared with numerical control CNC machining centers, and impeller progress is such as blown plastic Post processing, its main method is to use high-temperature vapour method, preferably steams enough more than three hours, is unlikely to deform away in the hope of plastic part size Sample；Secondly, motor and impeller axiality is blown to improve, during assembling, using special calibration motor and blows impeller assembly axiality Have the frock press that laser is sighted, after pressing, and through bulk sampling survey dynamic balancing amendment can just go up producing line, last complete machine Sample survey dynamic balancing, in the hope of being aided with many places shock-absorbing and noise-eliminating material, and integrating composition one kind has improved low vibration foliage pressure-vacuum Machine.

Beneficial effect is vibration damping, safety, handy, raising product specification is integrated with multinomial improvement, if safety door：

Have the low vibration foliage pressure-vacuum machine of the pressure angle safety door of equal logatithmic spiral everywhere, it is movable comprising safety door Assist handle, the improvement of dust bag bracket and tying, bodice upper casing dust mouth adds soft, blows impeller plus cutting edge, and circuit adds guarantor Danger and biswitch, roller are changed to turn to, and single protruded tube is changed to many protruded tubes or flexible folding pipe；The tool pressure The low vibration foliage pressure-vacuum machine of the angle safety door of equal logatithmic spiral everywhere, adding the safety door is protected for new safety, By tapping screw I (1), bodice upper casing (2), power line (3), cable cover(ing) (4), switch trigger (5) switchs trigger spring (6), terminal board (7), cable pressing plate (8), electric capacity I (9), tapping screw II (10), main switch (11), speed regulator (12), rubber Pad (13), motor (14), fan blade pad (15) blows impeller (16), hex nut (17), fan blade patch (18), tapping screw III (19), rotates shaft-cup (20), spring (21), back-up ring (22), pressure-vaccum change-over panel (23), bodice drain pan (24), safety switch (25), rotary shaft (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 bracket (35), dust bag (36), hexagon-headed bolt (37), square Assist handle knob (38), tapping screw IV (39), auxiliary handle lid (40), auxiliary handle bottom (41), M6 nuts (42), the back of the body Band (43), and band (44), elastic collision bead autonavigator (45), many protruded tubes (46), flexible folding pipe (47), blowout Many protruded tubes (48), the safety door constituted；Described tapping screw I (1) be it is multiple, its fix it is described it is big with Shell (2) and bodice drain pan (24)；Described bodice upper casing (2) and bodice drain pan (24) is that the right dress of a first from left is closed, and it contains handle Position, assist handle position, protruded tube limiter position, motor spiral case position, pressure-vaccum changes a position, dust mouth position, and several Individual plug-in position；On the handle part of described bodice upper casing (2) and bodice drain pan (24), according to this equipped with described power supply Line (3), cable cover(ing) (4), switch trigger (5), switch trigger spring (6), terminal board (7), cable pressing plate (8), electric capacity I (9), tapping screw II (10), main switch (11), speed regulator (12)；In described bodice upper casing (2) and bodice drain pan (24) On motor spiral case position, according to this equipped with described rubber sheet gasket (13), motor (14), fan blade pad (15) blows impeller (16), Hex nut (17), fan blade patch (18)；A position is changed in the pressure-vaccum of described bodice upper casing (2) and bodice drain pan (24), according to This be equipped with described tapping screw III (19), rotate shaft-cup (20), spring (21), back-up ring (22), pressure-vaccum change-over panel (23), greatly Body drain pan (24), safety switch (25), rotary shaft (26), pressure-vaccum conversion turn-knob (27)；In described bodice upper casing (2) and greatly The protruded tube limiter position of body drain pan (24), according to this equipped with described side button (28), torsion spring (29), torsion axis (30) and Telescoping tube (31)；Described telescoping tube (31) is cylinder, or square tube, and in front lower portion provided with peace wheel position；Stretched in described The peace wheel position that the front lower portion of the draw (31) is provided with, according to this equipped with described shaft block ring (32), wheel (33), wheel shaft (34)； At the dust mouth position of described bodice upper casing (2) and bodice drain pan (24), provided with soft (2a)；In described bodice upper casing (2) and bodice drain pan (24) dust mouth position outside provided with two necks, card hangs dust bag bracket (35) and dust thereon Bag (36)；Described dust bag bracket is provided with hook (35a), hook muscle (35b), hook sideshake (35c), and big bagging circle (35d) and small bagging circle (35e)；Described dust bag (36) is made by fabric, and provided with marching and two related extensions Button；The band (44) that side is encased with suture (36) of the dust bag (36) prepared is placed on described dust bag bracket (35) Tightened between bagging circle (35d) and small bagging circle (35e) greatly；In the auxiliary of described bodice upper casing (2) and bodice drain pan (24) Handle part is helped, according to this equipped with described hexagon-headed bolt (37), square assist handle knob (38), tapping screw IV (39), Auxiliary handle lid (40), auxiliary handle bottom (41), M6 nuts (42) constitute movable assist handle；Described assist handle On auxiliary handle lid (40), the multiple radiation teeth for being additionally provided with end provided with curved connection handle (40a) are stupefied (40b)；Circuit, By terminal board (7), insure (RC), double-pole switch (K), inductance (L), electric capacity II (C), and the series excited machine (M) provided with winding, And speed regulator (12) is constituted；Described speed regulator (12) is by bidirectional triode thyristor I (TC) and bidirectional triode thyristor II (DC), electricity I (R1) is hindered, resistance II (R2), variable resistor (R3), electric capacity III (C2) and speed-regulating switch (K3) are constituted；Described blows impeller Cutting edge is equipped with, all cutting edges (16b) of cutting edge containing top (16a) and side；The frock sighted during assembling with laser, blows impeller (16) Post-process, and survey dynamic balancing；Described soft is at least a piece of, and its is triangular in shape, or tiltedly quadrangle, or trapezoidal；It is described Soft be not directly injection-moulded on shell, and with the fabric of flexible material；Described hook muscle (35b) has 3, or more It is many；Described band is the nylon cable tie for having barb to buckle；The described roller contact ground is changed to what can be turned to, is that handle is stretched The axle stand of the draw (31) lower head is split, and makes an independent part axle stand (31a), and in telescoping tube (31) lower head lays the place of axle stand and sets a hole, the ring neck being inserted on described axle stand (31a) it is vertical Axle；Wheel shaft (34) is worn in axle stand (31a) again, and sets up one wheel pairs (33), and respectively loads onto shaft block ring (32)；Blowing The impeller blade that blows of suction machine is provided with containing multiple oval and hexagonal noise reduction through hole；Vibration-absorbing and silencing is provided with blower Honeycomb structure, it is in the hexagon and Wedge structure containing noise elimination of many dense interconnections, its density and its breadth depth ratio, with pressure-vaccum The vibration parameters of machine are relevant with noise properties, repeatedly to test；And shock-absorbing and noise-eliminating material is set, or metallic fiber is used, or it is nonmetallic Material, filling or half filling；Or with the sound-absorbing material or sound-absorbing porous material of resistance to middle temperature, or flexible material, and film material； Described porous material is fiber-like, foam class, particulate species, or mixing application；With fiber-like or rock wool, or mineral wool Super glass wool；Near the motor by temperature rise, fireproof；With particulate species or expanded perlite is used, porous clay brick, And the fabric and felt of heatproof are filled or attached；Or honeycomb structure it is prefabricated after attach it, or mixing molding；The blower, its It is characterized in：The low vibration foliage pressure-vacuum machine of the tool pressure angle safety door of equal logatithmic spiral everywhere is equipped with the safety Door, is can not have the straight rod of 8 millimeters and the above from the close dust bag of the dust mouth of upper casing for meet new safety defined The requirement of fan inside orientation detection to blower and make security protection, the safety door (50) by rotating shaft (50a), dial Dynamic face (50b), air-permeable layer (50c), noise reduction honeycomb wedge (50d) are constituted, and in the dust bag bracket (35) provided with safety Gate control bar (49), the face (50b) of stirring of the safety door (50) is the face for having pressure angle equal logatithmic spiral everywhere, institute State safety door control strip (49) to be made up of control strip sharp (49c), control strip curved surface (49a), control strip wedge, the safety Door (50) controls folding by the safety door control strip (49), when not installing dust bag bracket (35), the peace Air cock (50) maintains the original state makees security protection for closure, and it is stirred the upper casing (2) opened in blower in face (50b) and goes out dirt Outside mouthful；When installing dust bag bracket (35), control strip sharp (49c), the control strip of the safety door control strip (49) Curved surface (49a), control strip wedge promote the face (50b) of stirring of the safety door (50) to turn on the safety door (50) according to this, Make main pressure-vaccum stream the disorderly vortex mixed part band debris by the middle part of dust mouth and another part passes through dust mouth week The noise reduction honeycomb wedge (50d) and air-permeable layer (50c) of the safety door (50) turned on of edge and exhaustion are so as to there is noise reduction work With.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The part face for stirring face (50b) of the safety door (50) is that have pressure angle equal logatithmic spiral everywhere Face.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six；Described wedge is provided with many raised in multi-prism taper；Many wedge composition points How stupefied structure is split, its arrangement in face is honeycomb.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio be 1 to one point six, and each described wedge (50d) hexagonal pyramid shape wedge top Provided with micropore, its approximate diameter is advisable at 0.1 to 0.5 millimeter；Described wedge is provided with many raised in multi-prism taper；It is many Wedge constitutes the how stupefied structure of wedge, and its arrangement in face is honeycomb.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The head of the control strip of the safety door control strip (49) sharp (49c) is at an acute angle.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The part curved surface of the control strip curved surface (49a) of the safety door control strip (49) is tool pressure angle phase everywhere Etc. the face of the logatithmic spiral of characteristic.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The inclined wedge shape that it is slightly in concentric reducer that the control strip wedge of the safety door control strip (49), which is,.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The air-permeable layer (50c) of the safety door is less than 8mm through hole provided with multiple diameters.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The air-permeable layer (50c) of the safety door provided with multiple major diameters be less than 8mm oval through hole in favor of Noise reduction.

Rotated and brushless motor that rotor does not turn to state to update perfect portable tool stator and connect fan blade below Blow leaf machine：

Portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, it is characterised in that it is containing tool Stator connects the air duct that fan blade is rotated and brushless motor that rotor does not turn is used as power, described air duct, by preceding air duct 51, preceding shunting Conehead 52, inner rotor shaft 53, interior winding 53c, blow paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing Bearing 53b, rear bearing flange seat 57, tool spreader 58a rear air duct 58, air duct guard ring 59, the institute of denoiser 60 after 53a, motor Composition, the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a rear air duct 58 and air duct guard ring 59 are successively Connect；The preceding air duct 51 is provided with horn mouth 51a, and function of the outline curve containing higher mathematics of the horn mouth 51a is bent The quadratic hyperbola of line, to subtract turbulent flow；And the preceding air duct 51 provided with it is multiple tool rectangular through holes preceding bayonet socket 51h, so as to Multiple triangle overhead kick screens 56h that the middle air duct 56 is provided with are engaged；Shunting conehead 52 is arranged in described before described The front end of armature spindle 53 is simultaneously firm with axle cushion card, and described motor fore bearing is installed in the front end of the inner rotor shaft 53 53a inner ring, the preceding frustum of a cone 52a of the shunting conehead 52 provided with protrusion, the apical ring of the frustum of a cone and the motor front axle The inner ring for holding 53a is connected；Install after bearing 53b after described motor, described motor the rear end of the inner rotor shaft 53 Bearing 53b inner ring is connected with the rear end of the interior wound rotor axle 53；Bearing 53b outer shroud and institute after described motor Rear bearing flange seat 57 is stated to be connected, the rear bearing flange seat 57 be provided with multiple screwed hole 57a, so as to the apoplexy The multiple threaded block 56f that arrangement is uniformly surround along air duct axis being provided with of cylinder 56 are connected, and the middle air duct 56 is provided with Multiple radial direction width 56c connections multiple threaded block 56f that arrangement is uniformly surround along air duct axis, the middle air duct 56 Multiple radial direction width groove 58b phases that the multiple radial direction width 56c being provided with also are provided with the rear air duct 58 of the tool spreader 58a Corresponding matching；The silicon steel sheet group of the rear bearing flange seat 57 and the interior winding 53c is fixedly mounted with；Shunting conehead 52 before described Excircle is fixedly mounted with the motor stator shell 55, and all multi-disc permanent magnetic strip groups of ring are fixedly mounted with the motor stator shell 55, described The periphery of motor stator shell 55 be fixedly mounted with it is described blow paddle wheel fan 54 blow paddle wheel fan inner lane 54c, it is described to blow paddle wheel fan 54 Radial center be projected in after the motor fore bearing and the motor between bearing, or the footpath for blowing paddle wheel fan 54 To being projected in after the motor fore bearing and the motor between bearing and close to bearing, its essence after the motor for center It is that the mechanics of materials changes the radial component to blow paddle wheel fan 54 that long cantilever fine strain of millet is short cantilever fine strain of millet or single beam as power and to blow The problem of projection of the radial center of paddle wheel fan 54 is the arm of force with the distance of the centre of sphere of bearing after the motor；It is described to blow leaf Before the distance and motor after the projection of motor axis and the motor between the centre of sphere of bearing for the radial center for taking turns fan 54 The ratio between the distance between centre of sphere of bearing is not more than one to two afterwards；The arm of force is short, air-out is increased, described brushless horse What is reached blows more than 30,000 turns of the practical turn up of leaf machine；The line outlet groove 56XC being provided with and the tool spreader of the middle air duct 56 The winding displacement groove 58XC phases that 58a rear air duct 58 is provided with match to discharge three electric wires of the interior winding 53c；In described The multiple threaded block 56f's that arrangement is uniformly surround along air duct axis being provided with of air duct 56 is provided with slot 56d in outer shroud week It is connected with the spreader 58a that the rear air duct 58 with the tool spreader 58a is provided with；The rear air duct 58 of the tool spreader 58a Multiple triangle overhead kick screens that it is provided with the air duct guard ring 59 provided with multiple rear bayonet socket 589h for having rectangular through holes 59h is engaged；The noise reduction member 60 by many facings containing sound-absorbing material thickly dotted polygonal pyramid institute group not of uniform size Diffused into, its many places the rear air duct 58 that is distributed in the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a and The inner surface of air duct guard ring 59, it also diffuses the surfaces externally and internally for being distributed in the spreader 58a in many places, is absorbed sound and insulated against sound with profit； Or the air duct be adapted as plus simplify silencer, its be the middle air duct 56 be provided with it is equal along air duct axis Cloth surround multiple threaded block 56f of the arrangement all slot 56d that is provided with of outer shroud with the rear air duct 58 with the tool spreader 58a The position for the spreader 58a connections being provided with every living, and set on the tool spreader 58a multiple hush tube small through hole and with The noise reduction member 60 being provided with is made jointly by the thickly dotted polygonal pyramid not of uniform size of many facings containing sound-absorbing material With and many places diffuse and be distributed in the surfaces externally and internally of the spreader 58a, air-flow through the preceding air duct and after blowing paddle wheel fan the One big cavity, because preceding air duct goes to the position of the connection of middle air duct and rear air duct every living, just squeezes into the outer of the spreader 58a Multiple hush tube small through hole on surface and carry out first compression and enter the second largest cavity of the inner surface of the spreader 58a Implementation once expands, and the gas expanded by first compression is entering the second largest cavity of the inner surface of the spreader 58a again Flow backward, when having crossed the position of the connection that middle air duct and rear air duct are gone to because of preceding air duct every behind the position lived, just Squeeze into multiple hush tube small through hole of the latter half of inner surface of the spreader 58a and carry out second-compressed and enter described Spreader 58a outer surface and the tool spreader 58a rear air duct 58 the spreader and the shell of rear air duct the Three big cavitys carry out reexpansion again, then from multiple flat outlet blowouts of the air duct guard ring 59, complete multiple compression-expansion Noise elimination process, its be beneficial to sound absorption and eliminate the noise and noise abatement.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the projection in motor axis of the radial center for blowing paddle wheel fan 54 and bearing after the motor The ratio between the distance between the distance between centre of sphere and centre of sphere of motor front and back bearings are not more than one to three.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the noise reduction member 60 is close and numerous by many individual sound-absorbing material facings containing straw and leaf pressboard Polygonal pyramid not of uniform size constituted.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the noise reduction member 60 by many compressed tablets containing leaf sound-absorbing material facing thickly dotted size The hexagonal pyramid differed is constituted.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the noise reduction member 60 by many sound-absorbing material facings suppressed containing leaf thickly dotted size not The wedge of one hexagonal pyramid shape is constituted.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that many places for the sound-absorbing material facing that many of the noise reduction member 60 suppress containing leaf, which diffuse, is distributed in institute Stating the hexagonal pyramid of spreader 58a surfaces externally and internally has through hole.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the noise reduction member 60 is diffused by many places of many sound-absorbing material facings suppressed containing leaf is distributed in institute The wedge for stating the hexagonal pyramid shape by through hole of the hexagonal pyramid of spreader 58a surfaces externally and internally is constituted.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the surfaces externally and internally of the spreader 58a has the parabola shaped of the function curve of higher mathematics.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that many places for the sound-absorbing material facing that many of the noise reduction member 60 suppress containing leaf, which diffuse, is distributed in institute The wedge for stating the hexagonal pyramid shape for having through hole of the hexagonal pyramid of spreader 58a surfaces externally and internally be tool middle part have a larger cavity and Surfaces externally and internally has compared with small through hole.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the flat outlet having of the air duct guard ring 59 is jujube core shape pointed at both ends.

Portable tool stator connects fan blade and rotated and the usefulness for blowing leaf machine of brushless motor that rotor does not turn：Because it is containing tool Stator connects the air duct that fan blade is rotated and brushless motor that rotor does not turn is used as power, described air duct, by preceding air duct 51, preceding shunting Conehead 52, inner rotor shaft 53, interior winding 53c, blow paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing Bearing 53b, rear bearing flange seat 57, tool spreader 58a rear air duct 58, air duct guard ring 59, the institute of denoiser 60 after 53a, motor Composition, the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a rear air duct 58 and air duct guard ring 59 are successively Connect；The preceding air duct 51 is provided with horn mouth 51a, and function of the outline curve containing higher mathematics of the horn mouth 51a is bent The quadratic hyperbola of line, to subtract turbulent flow；And the preceding air duct 51 provided with it is multiple tool rectangular through holes preceding bayonet socket 51h, so as to Multiple triangle overhead kick screens 56h that the middle air duct 56 is provided with are engaged；Shunting conehead 52 is arranged in described before described The front end of armature spindle 53 is simultaneously firm with axle cushion card, and described motor fore bearing is installed in the front end of the inner rotor shaft 53 53a inner ring, the preceding frustum of a cone 52a of the shunting conehead 52 provided with protrusion, the apical ring of the frustum of a cone and the motor front axle The inner ring for holding 53a is connected；Install after bearing 53b after described motor, described motor the rear end of the inner rotor shaft 53 Bearing 53b inner ring is connected with the rear end of the interior wound rotor axle 53；Bearing 53b outer shroud and institute after described motor Rear bearing flange seat 57 is stated to be connected, the rear bearing flange seat 57 be provided with multiple screwed hole 57a, so as to the apoplexy The multiple threaded block 56f that arrangement is uniformly surround along air duct axis being provided with of cylinder 56 are connected, and the middle air duct 56 is provided with Multiple radial direction width 56c connections multiple threaded block 56f that arrangement is uniformly surround along air duct axis, the middle air duct 56 Multiple radial direction width groove 58b phases that the multiple radial direction width 56c being provided with also are provided with the rear air duct 58 of the tool spreader 58a Corresponding matching；The silicon steel sheet group of the rear bearing flange seat 57 and the interior winding 53c is fixedly mounted with；Shunting conehead 52 before described Excircle is fixedly mounted with the motor stator shell 55, and all multi-disc permanent magnetic strip groups of ring are fixedly mounted with the motor stator shell 55, described The periphery of motor stator shell 55 be fixedly mounted with it is described blow paddle wheel fan 54 blow paddle wheel fan inner lane 54c, it is described to blow paddle wheel fan 54 Radial center be projected in after the motor fore bearing and the motor between bearing, or the footpath for blowing paddle wheel fan 54 To being projected in after the motor fore bearing and the motor between bearing and close to bearing, its essence after the motor for center It is that the mechanics of materials changes the radial component to blow paddle wheel fan 54 that long cantilever fine strain of millet is short cantilever fine strain of millet or single beam as power and to blow The problem of projection of the radial center of paddle wheel fan 54 is the arm of force with the distance of the centre of sphere of bearing after the motor；It is described to blow leaf Before the distance and motor after the projection of motor axis and the motor between the centre of sphere of bearing for the radial center for taking turns fan 54 The ratio between the distance between centre of sphere of bearing is not more than one to two afterwards；The arm of force is short, air-out is increased, described brushless horse What is reached blows more than 30,000 turns of the practical turn up of leaf machine；The line outlet groove 56XC being provided with and the tool spreader of the middle air duct 56 The winding displacement groove 58XC phases that 58a rear air duct 58 is provided with match to discharge three electric wires of the interior winding 53c；In described The multiple threaded block 56f's that arrangement is uniformly surround along air duct axis being provided with of air duct 56 is provided with slot 56d in outer shroud week It is connected with the spreader 58a that the rear air duct 58 with the tool spreader 58a is provided with；The rear air duct 58 of the tool spreader 58a Multiple triangle overhead kick screens that it is provided with the air duct guard ring 59 provided with multiple rear bayonet socket 589h for having rectangular through holes 59h is engaged；The noise reduction member 60 by many facings containing sound-absorbing material thickly dotted polygonal pyramid institute group not of uniform size Diffused into, its many places the rear air duct 58 that is distributed in the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a and The inner surface of air duct guard ring 59, it also diffuses the surfaces externally and internally for being distributed in the spreader 58a in many places, is absorbed sound and insulated against sound with profit； Or the air duct be adapted as plus simplify silencer, its be the middle air duct 56 be provided with it is equal along air duct axis Cloth surround multiple threaded block 56f of the arrangement all slot 56d that is provided with of outer shroud with the rear air duct 58 with the tool spreader 58a The position for the spreader 58a connections being provided with every living, and set on the tool spreader 58a multiple hush tube small through hole and with The noise reduction member 60 being provided with is made jointly by the thickly dotted polygonal pyramid not of uniform size of many facings containing sound-absorbing material With and many places diffuse and be distributed in the surfaces externally and internally of the spreader 58a, air-flow through the preceding air duct and after blowing paddle wheel fan the One big cavity, because preceding air duct goes to the position of the connection of middle air duct and rear air duct every living, just squeezes into the outer of the spreader 58a Multiple hush tube small through hole on surface and carry out first compression and enter the second largest cavity of the inner surface of the spreader 58a Implementation once expands, and the gas expanded by first compression is entering the second largest cavity of the inner surface of the spreader 58a again Flow backward, when having crossed the position of the connection that middle air duct and rear air duct are gone to because of preceding air duct every behind the position lived, just Squeeze into multiple hush tube small through hole of the latter half of inner surface of the spreader 58a and carry out second-compressed and enter described Spreader 58a outer surface and the tool spreader 58a rear air duct 58 the spreader and the shell of rear air duct the Three big cavitys carry out reexpansion again, then from multiple flat outlet blowouts of the air duct guard ring 59, complete multiple compression-expansion Noise elimination process, its be beneficial to sound absorption and eliminate the noise and noise abatement；The throwing in motor axis of the radial center for blowing paddle wheel fan 54 The ratio between the distance between the distance between centre of sphere of bearing and centre of sphere of motor front and back bearings are not more than one after shadow and the motor Than three；The noise reduction member 60 by many sound-absorbing material facings containing straw and leaf pressboard thickly dotted size not One polygonal pyramid is constituted；Or the noise reduction member 60 by many compressed tablets containing leaf sound-absorbing material facing it is close and numerous Hexagonal pyramid not of uniform size constituted；Or the noise reduction member 60 is by the close of many individual sound-absorbing material facings suppressed containing leaf The wedge of dense numb hexagonal pyramid shape not of uniform size is constituted, the sound absorption of many compactings containing leaf of the noise reduction member 60 The hexagonal pyramid that many places of material facing diffuse the surfaces externally and internally for being distributed in the spreader 58a has through hole；The noise reduction member 60 are diffused the surfaces externally and internally that is distributed in the spreader 58a by many places of many sound-absorbing material facings suppressed containing leaf The wedge of the hexagonal pyramid shape by through hole of hexagonal pyramid is constituted；The surfaces externally and internally of the spreader 58a has the function of higher mathematics Curve it is parabola shaped；The many places for the sound-absorbing material facing that many of the noise reduction member 60 suppress containing leaf, which diffuse, to be distributed in The wedge of the hexagonal pyramid shape for having through hole of the hexagonal pyramid of the surfaces externally and internally of the spreader 58a is that tool middle part has larger cavity And surfaces externally and internally has compared with small through hole；The flat outlet having of the air duct guard ring 59 is jujube core shape pointed at both ends；Resultant effect Significantly；Exert oneself big, noise is low, dry many, it is lighter, product is attained a yet higher goal, cantilever fine strain of millet is changed its essence is the mechanics of materials The problem of structure is single beam structure, but people is exactly unexpected.The rotor portion for it being had magnet steel will stretch out one very long thin Motor output shaft get rid of, do not realized on the extension line of the length of the axial outside of motor and motor and blow paddle wheel fan Connection, avoids fatal hard nut to crack, or else motor and the output shaft blown between paddle wheel fan can form a mechanics of materials Cantilever fine strain of millet structure, the position section between the bearing at motor two ends, which is directly set, blows paddle wheel fan center, so as to remove output shaft The length of stretching is that the arm of force is harmful inclined power very big formed by inclined power with blowing the centrifugation component of the radial direction on paddle wheel fan Square, does not consume substantial amounts of motor excessively and exerts oneself, and does not increase the amount of deflection and rotary inertia square of axle, thus no longer restriction blower or Blow the high speed strength air-out of leaf machine；Solve world-famous puzzle；Innovation design is casted a brick to attract jade.

Brief description of the drawings

The present invention is further described with reference to the accompanying drawings and examples.

Fig. 1 is the exploded perspective view of blower.

Fig. 2 is the schematic diagram of dust bag bracket (35).

Fig. 3 is the schematic diagram in the lower direction of dust bag bracket (35).

Fig. 4 is the schematic diagram of bodice upper casing (2).

Fig. 5 is the C-C diagrammatic cross-sections of bodice upper casing (2).

Fig. 6 is the top view of auxiliary handle lid (40).

Fig. 7 is the schematic diagram of auxiliary handle lid (40).

Fig. 8 is the schematic diagram for blowing impeller (16).

Fig. 9 is the top view of auxiliary handle lid (40).

Figure 10 is the midship section schematic diagram of auxiliary handle lid (40).

Figure 11 is the schematic diagram for the bodice upper casing (2) for having fixed assist handle (2b).

Figure 12 is the schematic diagram of rotary shaft (26).

Figure 13 is the schematic diagram of pressure-vaccum change-over panel (23).

Figure 14 is the schematic diagram for adding to link up with the dust bag bracket (35) of muscle (35b).

Figure 15 is the schematic diagram of pressure-vaccum conversion turn-knob (27).

Figure 16 is the schematic diagram for switching trigger (5).

Figure 17 is the schematic elevation view of auxiliary handle lid (40).

Figure 18 is the cutting edge schematic diagram for the amplification for blowing impeller (16).

Figure 19 is the schematic diagram that dust bag bracket pricks sack.

Figure 20 is the schematic diagram for the blower for having autonavigator (45) and many protruded tubes (46).

Figure 21 is the schematic diagram of the blower of many protruded tubes (48) of flexible folded tube (47) and blowout.

Figure 22 is the schematic diagram of autonavigator (45) and many protruded tubes (46).

Figure 23 is the exploded perspective view for the steerable wheel for having axle stand (31a).

Figure 24 is that have one end in-flanges, the schematic diagram of many protruded tubes of the more piece pull bar of other end flanging.

Figure 25 is the schematic diagram of the safety circuit added with insurance protection.

Figure 26 is dust bag bracket (35) and the schematic diagram of safety door control strip (49) that is provided with.

Figure 27 be safety door (50) by rotating shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge The schematic diagram that (50d) is constituted.

Figure 28 be safety door (50) by rotating shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge The schematic diagram at the another visual angle that (50d) is constituted.

Figure 29 is that portable tool stator connects that fan blade is rotated and the air duct for the blowing leaf machine office of brushless motor that rotor does not turn cuts open and shown It is intended to.

Figure 30 is that portable tool stator connects that fan blade is rotated and the air duct sectility for blowing leaf machine of brushless motor that rotor does not turn shows It is intended to.

Figure 31 is that portable tool stator connects fan blade and rotated and the signal of the air duct for blowing leaf machine of brushless motor that rotor does not turn Figure.

Figure 32 is the schematic diagram for the rear air duct 58 for having spreader 58a.

Figure 33 is the schematic diagram of preceding air duct 51.

Figure 34 is the schematic diagram of motor.

Figure 35 is the schematic diagram of the rear side viewing of middle air duct 56.

Figure 36 is the schematic diagram that regards of front side of middle air duct 56.

Figure 37 is the schematic diagram of rear bearing flange seat 57.

Figure 38 is the schematic diagram of preceding shunting conehead 52.

Figure 39 is the schematic diagram for blowing paddle wheel fan 54 for having inner lane 54c and outer ring 54a.

Figure 40 is the another schematic diagram for blowing paddle wheel fan 54 for having inner lane 54c and outer ring 54a.

Figure 41 is the schematic diagram of air duct guard ring 59.

Figure 42 is the schematic diagram that regards of front side for the rear air duct 58 for having spreader 58a.

Figure 43 is the schematic diagram of the rear side viewing for the rear air duct 58 for having spreader 58a.

Figure 44 is the another schematic diagram of the rear side viewing for the rear air duct 58 for having spreader 58a.

As illustrated, in figure：

1. it is tapping screw (1)；

2. it is bodice upper casing (2)；

3. it is power line (3)；

4. it is cable cover(ing) (4)；

5. it is switch trigger (5)；

6. it is switch trigger spring (6)；

7. it is terminal board (7)；

8. it is cable pressing plate (8)；

9. it is electric capacity (9)；

10. it is tapping screw (10)；

11. it is main switch (11)；

12. it is speed regulator (12)；

13. it is rubber sheet gasket (13)；

14. it is motor (14)；

15. it is fan blade pad (15)；

16. it is to blow impeller (16)；

17. it is hex nut (17)；

18. it is fan blade patch (18)；

19. it is tapping screw (19)；

20. it is to rotate shaft-cup (20)；

21. it is spring (21)；

22. it is back-up ring (22)；

23. it is pressure-vaccum change-over panel (23)；

24. it is bodice drain pan (24)；

25. it is safety switch (25)；

26. it is rotary shaft (26)；

27. it is pressure-vaccum conversion turn-knob (27)；

28. it is side button (28)；

29. it is torsion spring (29)；

30. it is torsion axis (30)；

31. it is telescoping tube (31)；

32. it is shaft block ring (32)；

33. it is wheel (33)；

34. it is wheel shaft (34)；

35. it is dust bag bracket (35)；

36. it is dust bag (36)；

37. it is hexagon-headed bolt (37)；

38. it is square assist handle knob (38)；

39. it is tapping screw (39)；

40. it is auxiliary handle lid (40)；

41. it is auxiliary handle bottom (41)；

42. it is M6 nuts (42)；

43. it is brace (43)；

44. it is nylon cable tie (44)；

45. it is elastic collision bead autonavigator (45)；

46. it is many protruded tubes (46)；

47. it is flexible folding pipe (47)；

48. it is many protruded tubes (48) of blowout；

49. it is safety door control strip (49)；

49a. control strips curved surface (49a)；

49c. control strips point (49c)；

50. it is safety door (50)；

50a. is rotating shaft (50a)；

50b. is the face of stirring (50b)；

50c. is air-permeable layer (50c)；

50d. is noise reduction honeycomb wedge (50d)；

2a. is soft (2a)；

2b. is original auxiliary handle (2b)；

16a. is top cutting edge (16a)；

16b. is all cutting edges (16b) in side；

31a. is axle stand (31a)；

35a. is hook (35a)；

35b. is hook muscle (35b)；

35c. is hook sideshake (35c)；

35d. is big bagging circle (35d)；

35e. is small bagging circle (35e)；

40a. is the connection handle (40a) of arc；

40b. is that radiation tooth is stupefied (40b)；

51. before air duct 51,

52. before shunting conehead 52,

53. inner rotor shaft 53,

Winding 53c in 53c.,

54. blow paddle wheel fan 54,

55. motor stator shell 55,

56. in air duct 56,

53a. motor fore bearings 53a,

Bearing 53b after 53b. motors,

57. after bearing flange seat 57,

58. after air duct 58,

58a. spreaders 58a,

59. air duct guard ring 59,

60. denoiser 60；

58a. spreaders 58a；

51a. horn mouths 51a；

Bayonet socket 51h before 51h.；

56h. triangle overhead kick screens 56h；

The frustum of a cone 52a of 52a. protrusions；

Many screwed hole 57a of 57a.；

Many threaded block 56f of 56f.；

Many radial direction width 56c of 56c.；

Many radial direction width groove 58b of 58b.；

54c. blows the inner lane 54c of paddle wheel fan；54a. blows the outer ring 54a of paddle wheel fan；

RC. it is insurance RC；

K. it is double-pole switch K；

L. it is inductance L；

C. it is electric capacity C；

M. it is series excited machine M；

TC. it is bidirectional triode thyristor (TC)；

DC. it is bidirectional triode thyristor (DC)；

R1. it is resistance (R1)；

R2. it is resistance (R2)；

R3. it is variable resistor (R3)；

C2. it is electric capacity (C2)；

K3. it is speed-regulating switch (K3).

Embodiment

Operation pedestrian preferably puts on safety goggles and mouth mask, also uses shoulder by liking and custom selects foliage pressure-vacuum machine Band 43 be enclosed on shoulder and casing on；The telescoping tube of pressure-vaccum is pulled out, rotating speed is adjusted, mixes up assist handle；Power supply is checked, is mixed The long line of enough power supplys, checks again for insurance, by operation instructions, runin once, has checked leaf area without cullet and electricity Line, can just make of foliage pressure-vacuum machine under secure conditions, while notably rain situation.

The embodiment that just its technical problem of present invention solution is taken again below makees detailed explain：

Because a kind of improvement of low vibration foliage pressure-vacuum machine, comprising the assist handle for installing activity additional, dust bag bracket and bundle The improvement of mouth, i.e. bodice upper casing dust mouth adds soft, blows impeller plus cutting edge, and circuit adds in insurance and biswitch, and blower The material and honeycomb of additional silencing vibration-damping, roller are changed to turn to, and single protruded tube is changed to many protruded tubes or flexible folding A variety of synthesis improvements of pipe, so operating handle and effect 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 switchs trigger 5, switch trigger spring 6, terminal board 7, Cable pressing plate 8, electric capacity 9, tapping screw 10, main switch 11, speed regulator 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, rotary shaft 26, pressure-vaccum conversion turn-knob 27, side button 28, torsion spring 29, torsion axis 30 are stretched The draw 31, shaft block ring 32, wheel 33, wheel shaft 34, dust bag bracket 35, dust bag 36, hexagon-headed bolt 37, square auxiliary Handle knob 38, tapping screw 39, auxiliary handle lid 40, auxiliary handle bottom 41, M6 nuts 42, brace 43, and nylon cable tie 44, elastic collision bead autonavigator 45, or many protruded tubes 46, or flexible folding pipe 47, many protruded tubes 48 of blowout are constituted； Described tapping screw 1 is multiple, and it fixes described bodice upper casing 2 and bodice drain pan 24；During its assembly method, self tapping is beaten The screw pneumatic screw batch or electric screwdriver for determining moment of torsion, so that moment of torsion is rationally uniform；Again because described bodice upper casing 2 and bodice drain pan 24 be a first from left it is right dress close, its contain handle part, assist handle position, protruded tube limiter position, horse Up to spiral case position, pressure-vaccum changes a position, dust mouth position, and several plug-in positions；The bodice closed in the described right dress of a first from left On the handle part of upper casing 2 and bodice drain pan 24, described power line 3 is loaded according to this, cable cover(ing) 4 switchs trigger 5, switch Trigger spring 6, terminal board 7, cable pressing plate 8, electric capacity 9, tapping screw 10, main switch 11, speed regulator 12；It is left described one On the bodice upper casing 2 and the motor spiral case position of bodice drain pan 24 that one right dress is closed, described rubber sheet gasket 13, electricity are loaded according to this Machine 14, fan blade pad 15 blows impeller 16, hex nut 17, fan blade patch 18；The right dress of described the first from left close it is big with The pressure-vaccum of shell 2 and bodice drain pan 24 changes a position, and described tapping screw 19 is loaded according to this, rotates shaft-cup 20, spring 21, gear Circle 22, pressure-vaccum change-over panel 23, bodice drain pan 24, safety switch 25, rotary shaft 26, pressure-vaccum conversion turn-knob 27；It is left described one Bodice upper casing 2 and the protruded tube limiter position of bodice drain pan 24 that one right dress is closed, load described side button 28, turn round according to this Spring 29, torsion axis 30 and telescoping tube 31；Described telescoping tube 31 is set containing cylinder and square tube and in front portion interconnection in front lower portion There is peace wheel position；The peace wheel position being provided with the front lower portion of described telescoping tube 31, loads described shaft block ring 32 according to this, Wheel 33, wheel shaft 34；The bodice upper casing 2 closed in the described right dress of a first from left and the dust mouth position of bodice drain pan 24, provided with soft With piece 2a；Described soft is at least a piece of, or multi-disc, such as three, as shown in Fig. 4, Fig. 5 and Figure 11；Described soft Upper casing is usually provided at, it is different depending on type, or all set it in two shells；Described soft is typically directly moulded on shell, and it is in three Angular or oblique quadrangle or trapezoidal；Or, described soft is not directly injection-moulded on shell, then with flexible material, such as fiber Fabric, so blowout debris is unlikely to too violent when entering bag, sack is not easy to；Again because in the described right dress conjunction of a first from left It is easy to card to hang dust bag bracket provided with two necks in the outside at the dust mouth position of bodice upper casing (2) and bodice drain pan (24) 35 and dust bag 36；Again because described dust bag bracket 35, provided with hook 35a, muscle 35b is linked up with, sideshake 35c is linked up with, and greatly Bagging circle 35d and small bagging circle 35e；Original hook muscle 35b, only 2, support force is poor, causes hook 35a to have loose once in a while It is de-；Now it is changed to link up with muscle 35b, there are 3 or more, support force is higher so that hook 35a is difficult to release；Described dust bag (36) Made by fabric, provided with march with two it is related buckle, be easy to make to buckle the extension for hanging over the plug-in position on described shell On hook；And march to go to pour out broken leaf to pull open bag and use；Again because employing the improvement that a kind of dust bag bracket pricks sack Method：It is ready to first in the commercially available nylon cable tie 44 for having barb button, the fabric for being placed on dust bag 36, Bao Zhizai With sewing mechanism into suture 36, then open and march, the suture 36 of the fabric of the dust bag 36 prepared is encased side Band 44 is put between the big bagging circle 35d and small bagging circle 35e of described dust bag bracket 35, from the big opening part marched, Put in pliers, tense the nylon cable tie 44 for having barb button, and cut off too long of band just into and easily making, bag and firm；Again Because the bodice upper casing 2 closed in the right dress of described the first from left and the assist handle position of bodice drain pan 24, load described according to this Hexagon-headed bolt 37, square assist handle knob 38, tapping screw 39, auxiliary handle lid 40, auxiliary handle bottom 41, M6 nuts 42, constitute movable assist handle；On the auxiliary handle lid 40 of described assist handle, referring to Fig. 6, Fig. 7 and Figure 10, if There is curved connection handle 40a, therefore be easy to protect the back of the hand, be additionally provided with multiple stupefied 40b of radiation tooth of end, also favourable screens.It is former Auxiliary handle 2b on the pressure-vaccum casing for another style having, is fixed, not auxiliary handle as mentioned as shown in figure 11 Lid 40 is smoothly grabbed well.

Because a kind of improved safety electricity added with insurance protection of the low vibration foliage pressure-vacuum machine provided using the present invention Road, thus it is safer.A kind of improvement of described low vibration foliage pressure-vacuum machine, it contains the safety circuit added with insurance protection, referring to Circuit diagram as shown in figure 25, by terminal board 7, insures RC, double-pole switch K, inductance L, electric capacity C, and the string provided with winding Swash motor M, and speed regulator 12 is constituted；Described speed regulator 12 is 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 constituted；The present invention is specially added with double-pole switch K and insurance RC, it uses fuse, or uses electrothermal relay, or uses overcurrent protector, in the hope of safer；Why insure in power supply, also Add insuranceBecause power supply source also supplies many places, it insures often too big, does not fit into this money foliage pressure-vacuum machine；Described Variable resistor R3 and speed-regulating switch K3 is substantially potentiometer, when being rotated, and can become the angle of flow of bidirectional triode thyristor Change, make motor speed adjustable, be then at full speed when going to end points and closing speed-regulating switch.

Because using a kind of improvement of described low vibration foliage pressure-vacuum machine, being taken especially in accordance with different type of machines using difference The material matched somebody with somebody, its containing subtracting vibration arrangement inside and outside blower and in many places plus-minus shake deadener and honeycomb structure of blower, It is the major contribution of the present invention, so shock-absorbing and noise-eliminating scheme can be additionally used in other multiclass such as grass-mowing machine and dust catcher.Because in motor The dynamic foamed plastics of additional vibration damping, and set in many places plus-minus shake deadener of blower, and in the air channel many places blown and inhaled Honeycomb structure is put, it is illustrated as shown in 43 at Fig. 4 vibration-absorbing and silencing；Inside and outside casing, and inside and outside each telescoping tube, if many places subtract Shake noise elimination honeycomb structure, and it is in the hexagon and Wedge structure containing noise elimination of many dense interconnections, its density and its breadth depth ratio, It is relevant with the vibration parameters and noise properties of blower, repeatedly to test；Inside and outside casing, and each telescoping tube is inside and outside and motor Outside, the shock-absorbing and noise-eliminating material installed additional, or metallic fiber, or nonmetallic materials are used, filling or half fill；Or with the suction of resistance to middle temperature Sound material particularly sound-absorbing porous material, or flexible material, and film material；Described porous material can be fiber-like, foam Class, particulate species are alone good, and more or less mixing application is good；Usable fibers class such as rock wool, or glass fiber, or mineral wool are special It is not super glass wool；Or foam class is used, at by temperature rise eminence such as motor, fireproof；Or with particulate species such as expanded pearlite The fabric of rock, porous clay brick, and heatproof, felt is filled, or is attached；Described honeycomb structure prefabricated can also be attached afterwards, or mixed Matched moulds pressure.Because the acoustic absorptivity (standing-wave-tube method acoustic absorptivity, reverberation method acoustic absorptivity) of each material is different, incident angle pair Acoustic absorptivity also has an impact, and what is had is preferable to high frequency sound absorption, and what is had is preferable to Low Frequency Sound Absorption, and multiple material has complementation Efficiency, vibration involves noise and reflected, and converts, and absorbs, decay, therefore is conducive to further improved performance index.

The annex of original blower product only has brace 43, hangs on shell and the back of the body is on operator's shoulder；The present invention is built View, improved low vibration foliage pressure-vacuum machine adds mouth mask, gloves and safety goggles and insurance, or even long line in its annex, Therefore product specification had both been improved, user is facilitated again.

Because a kind of improvement of low vibration foliage pressure-vacuum machine, it contains the improvement for blowing impeller plus cutting edge, i.e., blow leaf in described Wheel is equipped with cutting edge, such as Fig. 8, and the cutting edge amplified is as shown in figure 18, the 16a of cutting edge containing top and all cutting edge 16b in side, described Blowing impeller blade top surface and blowing the positive angle of impeller blade for top cutting edge 16a is acute angle；And all cutting edge 16b in described side Blow impeller blade lateral circle surface and blow the positive angle of impeller blade also be acute angle；It is described blow cutting edge that impeller adds or It is local shorter along the edge of face of blade, or along the big portion head in edge；Its cutting edge is straight sword or arcuate blade, or rolls over more Sword, and its arcuate blade is archimedes line, or parabola.As an improvement, blowing impeller described also or can separately be equipped with sword Steel knife, for example, use strip-shaped cutter；As an improvement, being blown in described on impeller blade, it can also set containing multiple oval and hexagonal Noise reduction hole, this favourable fragment and pressure-vaccum.

Because the roller on contact ground is changed to turn to, blower is turned to as easy, the another of blower is not only added One designs and varieties, and meet some operation pedestrians and like and during custom blower, particularly run into corner it is local when , glance right and left and turn over angle to carry out pressure-vaccum to facilitate the requirement of work.Again because the wheel of original lower head of telescoping tube 31 Pedestal is split, and makes an independent part axle stand 31a, and wheel shaft is laid in original lower head of telescoping tube 31 The place of frame sets a hole, to insert the vertical shaft of the ring neck on described axle stand 31a, as shown in Figure 23 explosive view；Its Remaining is still that wheel shaft 34 is worn in axle stand 31a as original, then sets up one wheel pairs 33, respectively loads onto shaft block ring 32, institute With also more convenient.

Because employing improvement, i.e., as shown in Figure 20 and Figure 22, single cylinder that stretches out is changed to many protruded tubes 46, and set automatic fixed The autonavigator of position device, such as elastic collision bead autonavigator 45, or collision block, or torsion spring autonavigator, and without People is gone by button with hand again, therefore reduces volume, arbitrarily pulling-down can be both automatically positioned in place, and improved work efficiency, reduce transport Cost.The described many protruded tubes 46 matched with autonavigator are more pieces, such as 4 sections；Many protruded tubes 46 be all provided with it is fluted with Locator is adapted to.

Because employing significant improvement, the principle for the telescopic antenna that can freely draw in pull-out has been associated, it has been improved simultaneously Use blower and make many protruded tubes 46, as shown in figure 24, small suction pipe might as well be called many protruded tubes 48；Described many stretchings The feature of pipe 46 and many protruded tubes 48 is one end in-flanges, and other end flanging；And its in single file one section connect a section, be More piece, minimum 4 section, therefore pull-out or return are freely, because there is convex-concave screens at its flange.Because the pipe range of blower presses standard Such as IEC60335-2-100, or by standard such as BSEN15503：2009, only 0.9 meter, therefore pull bar length is to implement 's.

Again because employing another significant improvement, the principle for the accordion that can freely draw in pull-out has not only been associated, with And conventional dust catcher and washing machine fold flexible pipe, and it is improved and uses blower make many protruded tubes, such as Figure 21 institutes Show, pipe might as well be called flexible folding pipe 47；For convenience of positioning, or it is used in combination with many protruded tubes (48)；Described flexible folding pipe 47 are characterized in：It has multiple foldings, no matter its section side of being circle or other shapes, the adjacent ring of its pipe Week be a great circle one it is small enclose the land it is spaced i.e. a slubbing connects a details in single file, its section is more piece, minimum 4 section or more It is many；Or, the tubing flexible material such as fabric of described flexible folding pipe 47, cloth, plastic film, while being set along flexible pipe interval There are multiple rings, or along in or beyond flexible pipe, suit helical spring is as interval ring, to support and draw in pull-out；Should Helical spring is sparse and flexible, therefore can significantly be withdrawn.

Again because employing a kind of improved another item important offer of the present invention to low vibration foliage pressure-vacuum machine, as carry Height manufacture and the method containing laser of assembling precision, improve motor and blow impeller axiality and survey dynamically balanced existing essence Close moulding part has the improved method that laser sights frock again, therefore product quality is improved.Vibration and noise because of blower Very big root so to improve motor and blow impeller axiality, and will survey flat in the precision and form and position tolerance of power and instrument Weighing apparatus, in the hope of the low vibration low noise to blower, this hard nut to crack left for a long time has certain curative effect；First, from drawing The requirement to form and position tolerance is improved in design, such as to motor and the requirement for blowing impeller assembly axiality and form and position tolerance, also Increase motor and blow the impeller magnitude of interference, then pressed with reinforcing frock clamp；Moreover, prepared with numerical control CNC machining centers accurate Mould, and such as blow plastic impeller and post-process, its main method is to use high-temperature vapour method, preferably steam enough three hours with On, therefore plastic part size is unlikely to deform and lost shape；Secondly, to improve motor and blowing impeller axiality, during assembling, using special school Quasi- motor and the frock press for having laser to sight for blowing impeller assembly axiality, after pressing, and are repaiied through bulk sampling survey dynamic balancing Just just upper producing line, and last complete machine also samples survey dynamic balancing, therefore it is aided with many places shock-absorbing and noise-eliminating material again, one is constituted with regard to synthesis Planting has improved and vibration damping, safety, handy high-grade low vibration foliage pressure-vacuum machine.

The low vibration foliage pressure-vacuum machine of the tool pressure angle safety door of equal logatithmic spiral everywhere is equipped with the safety door, is There can not be the straight rod of 8 millimeters and the above from the direction of the close dust bag of the dust mouth of upper casing for meet new safety defined Detect the requirement of the fan inside blower and make security protection, the safety door (50) by rotating shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge (50d) are constituted, and are gated in the dust bag bracket (35) provided with safety Bar (49) processed, the face (50b) of stirring of the safety door (50) is the face for having pressure angle equal logatithmic spiral everywhere, the peace Air cock control strip (49) is made up of control strip sharp (49c), control strip curved surface (49a), control strip wedge, the safety door (50) folding is controlled by the safety door control strip (49), when not installing dust bag bracket (35), the safety Door (50) maintains the original state makees security protection for closure, and it is stirred face (50b) and opened in the dust mouth of the upper casing (2) of blower Outside；When installing dust bag bracket (35), control strip sharp (49c), the control strip of the safety door control strip (49) are bent Face (49a), control strip wedge promote the face (50b) of stirring of the safety door (50) to turn on the safety door (50) according to this, make By dust mouth middle part, another part passes through dust mouth periphery to the part band debris of the disorderly vortex mixed of main pressure-vaccum stream The noise reduction honeycomb wedge (50d) and air-permeable layer (50c) of the safety door (50) turned in portion and exhaustion are so as to there is noise reduction work With.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that the part face for stirring face (50b) of the safety door (50) is that have pressure angle equal logatithmic spiral everywhere Face.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six；Described wedge is provided with many raised in multi-prism taper；Many wedge composition points How stupefied structure is split, its arrangement in face is honeycomb.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio be 1 to one point six, and each described wedge (50d) hexagonal pyramid shape wedge top Provided with micropore, its approximate diameter is advisable at 0.1 to 0.5 millimeter；Described wedge is provided with many raised in multi-prism taper；It is many Wedge constitutes the how stupefied structure of wedge, and its arrangement in face is honeycomb.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The head of the control strip of the safety door control strip (49) sharp (49c) is at an acute angle.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The part curved surface of the control strip curved surface (49a) of the safety door control strip (49) is tool pressure angle phase everywhere Etc. the face of the logatithmic spiral of characteristic.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The inclined wedge shape that it is slightly in concentric reducer that the control strip wedge of the safety door control strip (49), which is,.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The air-permeable layer (50c) of the safety door is less than 8mm through hole provided with multiple diameters.

Update the low vibration foliage pressure-vacuum of the perfect described tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The air-permeable layer (50c) of the safety door provided with multiple major diameters be less than 8mm oval through hole in favor of Noise reduction.

The low vibration foliage pressure-vacuum machine of the tool pressure angle safety door of equal logatithmic spiral everywhere is equipped with the safety door, is There can not be the straight rod of 8 millimeters and the above from the direction of the close dust bag of the dust mouth of upper casing for meet new safety defined Detect the requirement of the fan inside blower and make security protection, the safety door (50) by rotating shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge (50d) are constituted, and are gated in the dust bag bracket (35) provided with safety Bar (49) processed, the face (50b) of stirring of the safety door (50) is the face for having pressure angle equal logatithmic spiral everywhere, the peace Air cock control strip (49) is made up of control strip sharp (49c), control strip curved surface (49a), control strip wedge, when safety door (50) Maintain the original state and make security protection for closure, the disorderly vortex mixed of main pressure-vaccum stream passes through the safety door turned on when operating (50) noise reduction honeycomb wedge (50d) and air-permeable layer (50c) and exhaustion are so as to there is Noise Reduction.

Portable tool stator connects fan blade and rotated and the usefulness for blowing leaf machine of brushless motor that rotor does not turn：Because it is containing tool Stator connects the air duct that fan blade is rotated and brushless motor that rotor does not turn is used as power, described air duct, by preceding air duct 51, preceding shunting Conehead 52, inner rotor shaft 53, interior winding 53c, blow paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing Bearing 53b, rear bearing flange seat 57, tool spreader 58a rear air duct 58, air duct guard ring 59, the institute of denoiser 60 after 53a, motor Composition, the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a rear air duct 58 and air duct guard ring 59 are successively Connect；The preceding air duct 51 is provided with horn mouth 51a, and function of the outline curve containing higher mathematics of the horn mouth 51a is bent The quadratic hyperbola of line, to subtract turbulent flow；And the preceding air duct 51 provided with it is multiple tool rectangular through holes preceding bayonet socket 51h, so as to Multiple triangle overhead kick screens 56h that the middle air duct 56 is provided with are engaged；Shunting conehead 52 is arranged in described before described The front end of armature spindle 53 is simultaneously firm with axle cushion card, and described motor fore bearing is installed in the front end of the inner rotor shaft 53 53a inner ring, the preceding frustum of a cone 52a of the shunting conehead 52 provided with protrusion, the apical ring of the frustum of a cone and the motor front axle The inner ring for holding 53a is connected；Install after bearing 53b after described motor, described motor the rear end of the inner rotor shaft 53 Bearing 53b inner ring is connected with the rear end of the interior wound rotor axle 53；Bearing 53b outer shroud and institute after described motor Rear bearing flange seat 57 is stated to be connected, the rear bearing flange seat 57 be provided with multiple screwed hole 57a, so as to the apoplexy The multiple threaded block 56f that arrangement is uniformly surround along air duct axis being provided with of cylinder 56 are connected, and the middle air duct 56 is provided with Multiple radial direction width 56c connections multiple threaded block 56f that arrangement is uniformly surround along air duct axis, the middle air duct 56 Multiple radial direction width groove 58b phases that the multiple radial direction width 56c being provided with also are provided with the rear air duct 58 of the tool spreader 58a Corresponding matching；The silicon steel sheet group of the rear bearing flange seat 57 and the interior winding 53c is fixedly mounted with；Shunting conehead 52 before described Excircle is fixedly mounted with the motor stator shell 55, and all multi-disc permanent magnetic strip groups of ring are fixedly mounted with the motor stator shell 55, described The periphery of motor stator shell 55 be fixedly mounted with it is described blow paddle wheel fan 54 blow paddle wheel fan inner lane 54c, it is described to blow paddle wheel fan 54 Radial center be projected in after the motor fore bearing and the motor between bearing, or the footpath for blowing paddle wheel fan 54 To being projected in after the motor fore bearing and the motor between bearing and close to bearing, its essence after the motor for center It is that the mechanics of materials changes the radial component to blow paddle wheel fan 54 that long cantilever fine strain of millet is short cantilever fine strain of millet or single beam as power and to blow The problem of projection of the radial center of paddle wheel fan 54 is the arm of force with the distance of the centre of sphere of bearing after the motor；It is described to blow leaf Before the distance and motor after the projection of motor axis and the motor between the centre of sphere of bearing for the radial center for taking turns fan 54 The ratio between the distance between centre of sphere of bearing is not more than one to two afterwards；The arm of force is short, air-out is increased, described brushless horse What is reached blows more than 30,000 turns of the practical turn up of leaf machine；The line outlet groove 56XC being provided with and the tool spreader of the middle air duct 56 The winding displacement groove 58XC phases that 58a rear air duct 58 is provided with match to discharge three electric wires of the interior winding 53c；In described The multiple threaded block 56f's that arrangement is uniformly surround along air duct axis being provided with of air duct 56 is provided with slot 56d in outer shroud week It is connected with the spreader 58a that the rear air duct 58 with the tool spreader 58a is provided with；The rear air duct 58 of the tool spreader 58a Multiple triangle overhead kick screens that it is provided with the air duct guard ring 59 provided with multiple rear bayonet socket 589h for having rectangular through holes 59h is engaged；The noise reduction member 60 by many facings containing sound-absorbing material thickly dotted polygonal pyramid institute group not of uniform size Diffused into, its many places the rear air duct 58 that is distributed in the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a and The inner surface of air duct guard ring 59, it also diffuses the surfaces externally and internally for being distributed in the spreader 58a in many places, is absorbed sound and insulated against sound with profit； Or the air duct be adapted as plus simplify silencer, its be the middle air duct 56 be provided with it is equal along air duct axis Cloth surround multiple threaded block 56f of the arrangement all slot 56d that is provided with of outer shroud with the rear air duct 58 with the tool spreader 58a The position for the spreader 58a connections being provided with every living, and set on the tool spreader 58a multiple hush tube small through hole and with The noise reduction member 60 being provided with is made jointly by the thickly dotted polygonal pyramid not of uniform size of many facings containing sound-absorbing material With and many places diffuse and be distributed in the surfaces externally and internally of the spreader 58a, air-flow through the preceding air duct and after blowing paddle wheel fan the One big cavity, because preceding air duct goes to the position of the connection of middle air duct and rear air duct every living, just squeezes into the outer of the spreader 58a Multiple hush tube small through hole on surface and carry out first compression and enter the second largest cavity of the inner surface of the spreader 58a Implementation once expands, and the gas expanded by first compression is entering the second largest cavity of the inner surface of the spreader 58a again Flow backward, when having crossed the position of the connection that middle air duct and rear air duct are gone to because of preceding air duct every behind the position lived, just Squeeze into multiple hush tube small through hole of the latter half of inner surface of the spreader 58a and carry out second-compressed and enter described Spreader 58a outer surface and the tool spreader 58a rear air duct 58 the spreader and the shell of rear air duct the Three big cavitys carry out reexpansion again, then from multiple flat outlet blowouts of the air duct guard ring 59, complete multiple compression-expansion Noise elimination process, its be beneficial to sound absorption and eliminate the noise and noise abatement.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the projection in motor axis of the radial center for blowing paddle wheel fan 54 and bearing after the motor The ratio between the distance between the distance between centre of sphere and centre of sphere of motor front and back bearings, which are not more than one to three and subtract the arm of force with profit, subtracts amount of deflection And it is steady.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the noise reduction member 60 is close and numerous by many individual sound-absorbing material facings containing straw and leaf pressboard Polygonal pyramid not of uniform size constitute so as to noise reduction.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the noise reduction member 60 by many compressed tablets containing leaf sound-absorbing material facing thickly dotted size The hexagonal pyramid differed is constituted so as to noise reduction.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the noise reduction member 60 by many sound-absorbing material facings suppressed containing leaf thickly dotted size not The wedge of one hexagonal pyramid shape is constituted so as to noise reduction.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that many places for the sound-absorbing material facing that many of the noise reduction member 60 suppress containing leaf, which diffuse, is distributed in institute The hexagonal pyramid for stating spreader 58a surfaces externally and internally be have through hole so as to noise reduction sound-deadening.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the noise reduction member 60 is diffused by many places of many sound-absorbing material facings suppressed containing leaf is distributed in institute The wedge for stating the hexagonal pyramid shape by through hole of the hexagonal pyramid of spreader 58a surfaces externally and internally is constituted so as to noise reduction sound-deadening.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the surfaces externally and internally of the spreader 58a has the parabola shaped disorderly to drop of the function curve of higher mathematics Stream.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that many places for the sound-absorbing material facing that many of the noise reduction member 60 suppress containing leaf, which diffuse, is distributed in institute The wedge for stating the hexagonal pyramid shape for having through hole of the hexagonal pyramid of spreader 58a surfaces externally and internally be tool middle part have a larger cavity and Surfaces externally and internally has compared with small through hole, so as to noise reduction sound-deadening.

Update that perfect described portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf Machine, it is characterised in that the flat outlet having of the air duct guard ring 59 is jujube core shape pointed at both ends, so as to noise reduction sound-deadening.

The portable tool stator of regeneration product noise reduction connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine in fact Matter is that the mechanics of materials changes the problem of cantilever fine strain of millet structure is single beam structure, and air duct changes silencer well；But people is just intended to not Arrive.Rotor portion to be stretched out a very long thin motor output shaft get rid of, not in the length of the axial outside of motor Realized on extension line and motor and blow the connection of paddle wheel fan, avoid fatal hard nut to crack, motor and blown between paddle wheel fan Output shaft or else can be formed between the long cantilever fine strain of millet structure of a mechanics of materials, the bearing at motor two ends position section directly If blowing paddle wheel fan center, so as to remove the length of the stretching of output shaft for the arm of force and blow the radial direction centrifugation point on paddle wheel fan Power is very big harmful inclined torque formed by inclined power, does not consume substantial amounts of motor excessively and exerts oneself, do not increase axle amount of deflection and Rotary inertia square, so as to no longer restrict blower or blow the high speed strength air-out of leaf machine；Solve world-famous puzzle.Inventive concept Method is uncommon to cast a brick to attract jade.

Claims (10)

1. portable tool stator connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, it is characterised in that it is fixed containing tool Even fan blade is rotated and air duct that brushless motor that rotor does not turn is used as power son, described air duct, by preceding air duct 51, preceding shunting conehead 52nd, inner rotor shaft 53, interior winding 53c, blow paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing 53a, horse Rear air duct 58, air duct guard ring 59, denoiser 60 up to rear bearing 53b, rear bearing flange seat 57, tool spreader 58a are constituted, institute The rear air duct 58 and air duct guard ring 59 for stating preceding air duct 51 and the middle air duct 56 and the tool spreader 58a connect successively；Institute Air duct 51 is provided with horn mouth 51a before stating, and function curve of the outline curve containing higher mathematics of the horn mouth 51a is secondary Hyperbola, to subtract turbulent flow；And the preceding air duct 51 provided with it is multiple tool rectangular through holes preceding bayonet socket 51h, so as to the apoplexy Multiple triangle overhead kick screens 56h that cylinder 56 is provided with are engaged；Shunting conehead 52 is arranged on the inner rotor shaft 53 before described Front end and with axle cushion card jail, described motor fore bearing 53a inner ring is installed in the front end of the inner rotor shaft 53, Frustum of a cone 52a of the shunting conehead 52 provided with protrusion before described, the inner ring of the apical ring of the frustum of a cone and the motor fore bearing 53a It is connected；Install the interior of bearing 53b after bearing 53b after described motor, described motor in the rear end of the inner rotor shaft 53 Ring is connected with the rear end of the interior wound rotor axle 53；Bearing 53b outer shroud and the rear bearing flange after described motor Seat 57 is connected, the rear bearing flange seat 57 is provided with multiple screwed hole 57a, to be provided with the middle air duct 56 It is connected along multiple threaded block 56fs of the air duct axis uniformly around arrangement, the middle air duct 56 connects provided with multiple radial direction width 56c Meet multiple threaded block 56f that arrangement is uniformly surround along air duct axis, the multiple radial directions being provided with of the middle air duct 56 Width 56c is also corresponding with multiple radial direction width groove 58b that the rear air duct 58 of the tool spreader 58a is provided with to be coordinated；The rear axle The silicon steel sheet group for holding flange seat 57 and the interior winding 53c is fixedly mounted with；The excircle of shunting conehead 52 is determined with the motor before described Subshell 55 is fixedly mounted with, and is fixedly mounted with the motor stator shell 55 outside all multi-disc permanent magnetic strip groups of ring, the motor stator shell 55 Be fixedly mounted with week it is described blow paddle wheel fan 54 blow paddle wheel fan inner lane 54c, the radial center for blowing paddle wheel fan 54 is projected in After the motor fore bearing and the motor between bearing, or the radial center for blowing paddle wheel fan 54 is projected in the horse Between bearing and close to bearing after the motor after up to fore bearing and the motor, long cantilever fine strain of millet is changed its essence is the mechanics of materials For short cantilever fine strain of millet or single beam the radial component to blow paddle wheel fan 54 as power and to blow the radial center of paddle wheel fan 54 The problem of distance of the centre of sphere of bearing is the arm of force after projection and the motor；The radial center for blowing paddle wheel fan 54 in horse The distance between the distance between centre of sphere and centre of sphere of motor front and back bearings up to projection and the bearing after the motor of axis it Than being not more than one to two；The arm of force is short, air-out is increased, the practical turn up 30,000 for blowing leaf machine of described brushless motor Many turns；The winding displacement that the line outlet groove 56XC being provided with of the middle air duct 56 and the tool spreader 58a rear air duct 58 are provided with Groove 58XC phases match to discharge three electric wires of the interior winding 53c；The middle air duct 56 be provided with along air duct axis The all slot 56d that is provided with of outer shroud of line uniformly around multiple threaded block 56f of arrangement are with the rear air duct with the tool spreader 58a The 58 spreader 58a connections being provided with；Rear bayonet socket of the rear air duct 58 of the tool spreader 58a provided with multiple tool rectangular through holes 589h it is engaged with multiple triangle overhead kick screens 59h that the air duct guard ring 59 is provided with；The noise reduction member 60 is by many The thickly dotted polygonal pyramid not of uniform size of the individual facing containing sound-absorbing material is constituted, and its many places, which diffuses, is distributed in the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a rear air duct 58 and air duct guard ring 59 inner surface, also many places are more for it The unrestrained surfaces externally and internally for being distributed in the spreader 58a, is absorbed sound and insulated against sound with profit；Or the air duct is adapted as plus simplified to eliminate the noise Device, it is the outer of the multiple threaded block 56f that arrangement is uniformly surround along air duct axis being provided with the middle air duct 56 The position that ring week is connected provided with the slot 56d spreader 58a being provided with the rear air duct 58 with the tool spreader 58a every Firmly, and on the tool spreader 58a multiple hush tube small through hole are set and the noise reduction member 60 with being provided with is contained by many The thickly dotted polygonal pyramid collective effect not of uniform size of sound-absorbing material facing and many places diffuse and are distributed in the spreader 58a Surfaces externally and internally, first big cavity of the air-flow through the preceding air duct and after blowing paddle wheel fan, because preceding air duct go to middle air duct and after The position of the connection of air duct is just squeezed into multiple hush tube small through hole of the outer surface of the spreader 58a and carried out once every living The second largest cavity implementation compressed and enter the inner surface of the spreader 58a once expands, the gas expanded by first compression Body flows backward again in the second largest cavity for the inner surface for entering the spreader 58a, described because preceding air duct is gone when having crossed Toward middle air duct and rear air duct connection position every live position after, just squeeze into the latter half of inner surface of the spreader 58a Multiple hush tube small through hole and carry out second-compressed and enter the outer surface of the spreader 58a and in the tool spreader The third-largest cavity of the spreader of 58a rear air duct 58 and the shell of rear air duct carries out reexpansion again, then from the wind Multiple flat outlet blowouts of cylinder guard ring 59, complete the noise elimination process of multiple compression-expansion, it is beneficial to sound absorption and eliminated the noise and noise abatement.

2. portable tool stator according to claim 1 connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, Characterized in that, the centre of sphere of bearing after the projection of motor axis and the motor of the radial center for blowing paddle wheel fan 54 The distance between be not more than one to three with the ratio between the distance between the centre of sphere of motor front and back bearings.

3. portable tool stator according to claim 1 connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, Characterized in that, the noise reduction member 60 is by the thickly dotted big of many individual sound-absorbing material facings containing straw and leaf pressboard The small polygonal pyramid differed is constituted.

4. portable tool stator according to claim 1 connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, Characterized in that, the noise reduction member 60 by many compressed tablets containing leaf sound-absorbing material facing it is thickly dotted not of uniform size Hexagonal pyramid constituted.

5. portable tool stator according to claim 1 connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, Characterized in that, the noise reduction member 60 is by the thickly dotted not of uniform size of many individual sound-absorbing material facings suppressed containing leaf The wedge of hexagonal pyramid shape is constituted.

6. portable tool stator according to claim 1 connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, Characterized in that, many places of many of the noise reduction member 60 sound-absorbing material facings suppressed containing leaf, which diffuse, is distributed in described point The hexagonal pyramid of flow cone 58a surfaces externally and internally has through hole.

7. portable tool stator according to claim 1 connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, Characterized in that, the noise reduction member 60 is diffused by many places of many sound-absorbing material facings suppressed containing leaf is distributed in described point The wedge of the hexagonal pyramid shape by through hole of the hexagonal pyramid of flow cone 58a surfaces externally and internally is constituted.

8. portable tool stator according to claim 1 connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, Characterized in that, the function curve of the surfaces externally and internally tool higher mathematics of the spreader 58a is parabola shaped.

9. portable tool stator according to claim 1 connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, Characterized in that, many places of many of the noise reduction member 60 sound-absorbing material facings suppressed containing leaf, which diffuse, is distributed in described point The wedge of the hexagonal pyramid shape for having through hole of the hexagonal pyramid of flow cone 58a surfaces externally and internally is that tool middle part has a larger cavity and interior appearance Face has compared with small through hole.

10. portable tool stator according to claim 1 connects that fan blade is rotated and brushless motor that rotor does not turn blows leaf machine, Characterized in that, the flat outlet having of the air duct guard ring 59 is jujube core shape pointed at both ends.