CN107288084B - With combining, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine - Google Patents

Abstract

The sound absorption of preceding air duct is eliminated the noise and rear air duct multitube is eliminated the noise blows leaf machine its bright spot and be with combining, and arranged side by side filtering muffling air duct 61 belongs to reactive muffler between motor and the ring week and rear air duct 58 of preceding shunting conehead 52 and spreader 58a；Multiple sound absorption muffling air ducts 65 are set in preceding air duct belongs to dissipative muffler；In the cavity inner wall of rear air duct, the affixed porous sound-absorbing material of inside and outside wall of the inside and outside wall of preceding air duct, the affixed sound-absorbing material of outer wall for filtering muffling air duct, the muffling air duct 65 that absorbs sound；It is equipped with the overhead kick 64 of multiple wedges for having turn right angle in the inner wall of preceding air duct；The method of affixed sound-absorbing material 63 be preceding air duct inside and outside wall and filter the outer wall of muffling air duct and the muffling air duct 65 that absorbs sound the affixed sound-absorbing material of inside and outside wall position, first dipping glue in the production line, then go deep into the clast of sound-absorbing material；Fast forward through in the production line again has glue and the position movement for the clast for being stained with sound-absorbing material to be baked dipping in hot wind.No one, which expects air duct and silencer to be combined into one, before makees product, and effect is self-evident.

Description

With combining, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine

Technical field

The present invention relates to a kind of portable electric works for the places pressure-vaccum leaf such as beside flower bed, garden, park and road Tool, especially a kind of improvement of low vibration foliage pressure-vacuum machine, including the movable assist handle of installation, dust bag bracket and tying It improves, bodice upper casing dust mouth adds soft, blows impeller and cutting edge, circuit is added to add additional in insurance and biswitch and blower disappear The material and honeycomb of sound vibration damping, idler wheel are changed to turn to, and in the low of the tool pressure angle safety door of equal logatithmic spiral everywhere On the basis of vibrating foliage pressure-vacuum machine, the improved preceding air duct sound absorption of band combination is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine.

Background technology

Blower is widely used in clearing up leaf by the selected mode of hobby of people.Some operation pedestrians like When with custom blower, when especially encountering corner place, glance right and left and turn over angle and carry out pressure-vaccum, if contact ground Idler wheel is changed to turn to, and can facilitate work；The height for operating pedestrian is different, and custom takes the difference of operating angle, Need assist handle adjustable, and original fixed assist handle not enough claims hand.The insurance of power supply source is and often right because for multichannel One blower is not suitable for, and former pressure-vaccum self-contained circuit lacks overloading protection, if plus insurance and biswitch, it will it is safer.It is low to shake Dynamic property and low noise, also there is the necessity advanced optimized；If considering the foamed plastics for adding vibration damping dynamic outside motor and in blower Many places plus-minus shake deadener and honeycomb structure, can have certain curative effect；And the very big root of the vibration and noise of grass-mowing machine exists The precision and geometric tolerance of power and tool according to raising motor and blow impeller concentricity, and survey dynamically balanced improved method, When what is be desirable to, but the low vibration low noise of blower is pursued, is in fact a hard nut to crack left for a long time.Dust bag Holder and tying have filled mostly easy landing, must also improve；Blower bodice upper casing dust mouth, wind is violent when especially commutating sometimes, needs Add soft；It blows impeller and adds cutting edge, easily stifled big inhalation (inhalatio), which is worked as, to cutting effect；And if single protruded tube is changed to stretch out more Pipe or flexible folding pipe, can reduce volume.New safety will cannot have 8 millimeters of straight sticks to detect blower fan from dust mouth, therefore If safety door.Though portable operation is convenient, it is all less than normal that its motor by the happy and auspicious volume of weight is limited its output, can not Meet the prodigious requirement of not only light but also wind-force.It is easy that the outer stator of brush motor does not turn only long-pending big and its brush of inner rotator swivel Play spark and easy to wear.Stationary part commonly used in blower or the external-rotor motor for the common brushless motor for blowing leaf machine exists Its stator is big outside motor and the inserting slot of stator winding is just big, does not meet light and small and contributes big expectation；Especially it has winding Rotor portion to stretch out a very long thin motor output shaft, on the extension line of the length of the axial outside of motor Can realize and motor and blow the connection of paddle wheel fan, this results in a fatal hard nut to crack, motor and blow paddle wheel fan it Between output shaft just form the cantilever fine strain of millet structure of a mechanics of materials, motor-end and blow output shaft between paddle wheel fan center Length is the arm of force, and the radial centrifugation component blown on paddle wheel fan is inclined power, this arm of force and inclined power form prodigious harmful inclined power Square consumes a large amount of motor and contributes, it is not necessary to which strategic point increases the amount of deflection and rotary inertia square of axis, restricts blower or blows leaf machine High speed strength outlet air.It is easier said than done to solve global hard nut to crack.How this kind of product is further improved, is associated The present inventor once in the external lifetime experience for being especially related to manufacture as senior engineer SENIOR ENGINEER in Switzerland, was changed Into special kneading, then be aided with invention research and development be expected that product is made to attain a yet higher goal, just like silkworm in spring to dead silk not to the utmost, the mankind pursue invent Perfection be it is endless, can noise reduction sound-deadening, the portable tool stator of the present invention connects fan blade rotation and that rotor does not turn is brushless The leaf machine that blows of motor just comes into being.

Invention content

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 idler wheel in face can be turned to and is more convenient；It operates adjustable assist handle and more claims hand；Pressure-vaccum self-contained circuit is safer；Low vibration and low Noise has optimization；Dust bag bracket and tying are securely without sliding；Blower dust mouth wind is milder；Blowing impeller adds cutting edge that can cut Cut easily stifled object；Single protruded tube is changed to more protruded tubes or flexible folding pipe to further reduce pushing away for many reforms before volume Uncommon that product is made to attain a yet higher goal under dynamic, innovation design is hovered such as ghost for a long time, is finished with Switzerland senior engineer SENI.ENGI. Life experience and international co-operation, are thousand worries and good fortune has one to obtain, then the preceding sound absorption noise elimination of present invention band assembled motor and rear air duct The leaf machine that blows that multitube is eliminated the noise just comes into being, and its essence is what hush tube merged air hose and the mechanics of materials to shorten cantilever fine strain of millet or letter The problem of branch fine strain of millet, but people is exactly unexpected.It there is the rotor portion of rotor to stretch out a very long thin motor output shaft It gets rid of, do not realize motor on the extension line of the length of the axial outside of motor and blows the connection of paddle wheel fan, avoid fatal Hard nut to crack, motor and blow the output shaft between paddle wheel fan and or else can form the long cantilever fine strain of millet knot of a mechanics of materials Structure, the position section between the bearing at motor both ends, which is directly set, blows paddle wheel fan center, to remove output shaft stretching length For the arm of force and the radial prodigious harmful inclined torque for centrifuging component and being formed for inclined power on paddle wheel fan is blown, is not consumed excessively A large amount of motor is contributed, and does not increase the amount of deflection and rotary inertia square of axis, to no longer restrict blower or blow leaf machine high speed it is strong Power outlet air；It contributes at double and solves world-famous puzzle.Innovation is thought wadding and is pushed up accumulateing：Must also noise reduction sound-deadening, absorb sound and disappear before band assembled motor Sound and rear air duct multitube, which improve, eliminates the noise, and appearance is explained in detail, and the remaining inner feelings of invention is sent in examination, is not expected and is left behind a good reputation behind, merely casts a brick to attract jade .

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

A kind of improvement of low vibration foliage pressure-vacuum machine, including the movable assist handle of installation, dust bag bracket and tying It improves, bodice upper casing dust mouth adds soft, blows impeller and cutting edge, circuit is added to add additional in insurance and biswitch and blower disappear The material and honeycomb of sound vibration damping, idler wheel are changed to turn to, and single protruded tube is changed to more protruded tubes or flexible folding pipe；It is described Improved low vibration foliage pressure-vacuum machine, by tapping screw (1), bodice upper casing (2), power cord (3), cable cover(ing) (4), switch Trigger (5), switch trigger spring (6), terminal board (7), cable pressing plate (8), capacitance (9), tapping screw (10), main switch (11), governor (12), rubber sheet gasket (13), motor (14), fan blade gasket (15) blow impeller (16), hex nut (17), wind Leaf patch (18), tapping screw (19), rotation shaft-cup (20), spring (21), baffle ring (22), pressure-vaccum change-over panel (23), bodice bottom Shell (24), safety switch (25), rotation axis (26), pressure-vaccum convert turn-knob (27), side button (28), torsional spring (29), torsion axis (30), telescoping tube (31), shaft block ring (32), wheel (33), wheel shaft (34), dust bag bracket (35), dust bag (36), six Hex bolt (37), square assist handle knob (38), tapping screw (39), auxiliary handle lid (40), auxiliary handle bottom (41), M6 nuts (42), shoulder strap (43) and nylon cable tie (44), elastic collision bead autonavigator (45) or more protruded tubes (46) or flexible folding pipe (47), more protruded tubes (48) of blowout are formed；It is characterized in that：The tapping screw (1) is more It is a, fix the bodice upper casing (2) and bodice bottom case (24)；Its assembly method has a little it is noted that beating self tapping spiral shell The silk pneumatic screw batch or electric screwdriver for determining torque, so that torque is rationally uniform；The bodice upper casing (2) and bodice Bottom case (24) is that the right dress of a first from left closes, and contains handle part, assist handle position, protruded tube limiter position, motor spiral case Position, pressure-vaccum change a position, dust mouth position and several plug-in positions；In the bodice upper casing (2) that the right dress of a first from left closes On the handle part of bodice bottom case (24), it is packed into the power cord (3) according to this, cable cover(ing) (4) switchs trigger (5), Switch trigger spring (6), terminal board (7), cable pressing plate (8), capacitance (9), tapping screw (10), main switch (11), governor (12)；On the motor spiral case position of bodice upper casing (2) and bodice bottom case (24) that the right dress of a first from left closes, fill according to this Enter the rubber sheet gasket (13), motor (14), fan blade gasket (15) blows impeller (16), hex nut (17), fan blade patch (18)；A position is changed in the pressure-vaccum of bodice upper casing (2) and bodice bottom case (24) that the right dress of a first from left closes, is packed into institute according to this The tapping screw (19) stated, rotation shaft-cup (20), spring (21), baffle ring (22), pressure-vaccum change-over panel (23), bodice bottom case (24), Safety switch (25), rotation axis (26), pressure-vaccum convert turn-knob (27)；The bodice upper casing (2) that is closed in the right dress of described the first from left and The protruded tube limiter position of bodice bottom case (24) is packed into the side button (28), torsional spring (29), torsion axis (30) according to this And telescoping tube (31)；The telescoping tube (31) is interconnected containing cylinder and square tube and in front, and is equipped with peace wheel position in front lower portion； At the peace wheel position that the front lower portion of the telescoping tube (31) is equipped with, it is packed into the shaft block ring (32) according to this, wheel (33), Wheel shaft (34)；At the dust mouth position for the bodice upper casing (2) and bodice bottom case (24) that the right dress of a first from left closes, it is equipped with soft Piece (2a)；Described soft be at least a piece of or multi-disc, such as three pieces, shown in such as Fig. 4, Fig. 5 and Figure 11；Described soft It is usually provided at upper casing, is all set depending on type difference, or in two shells；Described soft is typically directly moulded on shell, is in triangle Shape or oblique quadrangle or trapezoidal；Alternatively, described soft is not directly injection-moulded on shell, then flexible material, such as fiber is used to knit Object；There are two being set outside the dust mouth position of bodice upper casing (2) and bodice bottom case (24) that the right dress of a first from left closes Card slot, so that card hangs dust bag bracket (35) and dust bag (36)；The dust bag bracket (35), such as Fig. 2, Fig. 3 and Figure 14 It is shown, it is equipped with hook (35a), hook muscle (35b), hook sideshake (35c), and big bagging circle (35d) and small bagging circle (35e)； Original hook muscle (35b), as shown in Fig. 2, only 2, support force is poor, causes hook (35a) to have and loosens once in a while；It is now changed to hang Hooked bar (35b) has 3 as shown in figure 14, and support force is higher, and hook (35a) can be made to be not easy to loosen；The dust bag (36) by Fabric makes, equipped with marching and two related hanging buckles, to make hanging buckle hang over the hook at the plug-in position on the shell On；And it marches to go to pour out broken leaf to pull open bag and use；A kind of improved method that dust bag bracket pricks sack is now discussed in detail； It gets out the commercially available nylon cable tie (44) for having barb button first, is placed in the fabric of dust bag (36), packet uses seam again Suture (36) is made in the machine of threading, and as shown in figure 19, then opens and marches, the suture of the fabric of the dust bag (36) prepared (36) encase side band (44) be put into the dust bag bracket (35) big bagging circle (35d) and small bagging circle (35e) it Between, from the big opening part marched, it is easy to put in pliers, tenses the nylon cable tie (44) for having barb button, and cut off too long of band； The assist handle position for the bodice upper casing (2) and bodice bottom case (24) that the right dress of described the first from left closes, is packed into described six according to this Hex bolt (37), square assist handle knob (38), tapping screw (39), auxiliary handle lid (40), auxiliary handle bottom (41), M6 nuts (42), form movable assist handle；On the auxiliary handle lid (40) of the assist handle, referring to Fig. 6, Fig. 7 and Figure 10 is equipped with arc-shaped connection handle (40a), and to protect the back of the hand, the multiple radiation teeth for being additionally provided with end are stupefied (40b), with profit Screens.Auxiliary handle (2b) on the pressure-vaccum casing of original another style, as shown in figure 11, be it is fixed, not as mentioned Auxiliary handle lid (40) is smoothly grabbed well.

The present invention provides a kind of improved safety circuits added with insurance protection of low vibration foliage pressure-vacuum machine.Described A kind of improvement of low vibration foliage pressure-vacuum machine is shown containing the safety circuit added with insurance protection referring to circuit as shown in figure 25 It is intended to, by terminal board (7), insures RC, double-pole switch K, inductance L, capacitance C, and the series excited machine M equipped with winding and speed governing Device (12) is formed；The governor (12) is by bidirectional triode thyristor (TC) and bidirectional triode thyristor (DC), resistance (R1), resistance (R2), variable resistance (R3), capacitance (C2) and speed-regulating switch (K3) are formed；The present invention is specially added with double-pole switch K and insurance RC uses fuse, or with electrothermal relay, or with overcurrent protector, in the hope of safer.Why existing insurance in power supply, also Add insuranceBecause power supply source is also for many places, insurance is often too big, does not fit into this money foliage pressure-vacuum machine.

The improvement of a kind of low vibration foliage pressure-vacuum machine, containing inside and outside blower and in the plus-minus shake of many places of blower Deadener and honeycomb structure subtract vibration arrangement, are the major contribution of the present invention.The foamed plastics for adding vibration damping dynamic outside motor, And shake deadener is added and subtracted in many places of blower, and honeycomb structure, signal such as Fig. 4 are set in the air duct many places blown and inhaled Vibration-absorbing and silencing at shown in (43)；Inside and outside casing and inside and outside each telescoping tube, if many places vibration-absorbing and silencing honeycomb structure, in perhaps The hexagon and Wedge structure containing noise elimination of multiple dense interconnections, density and its breadth depth ratio, and the vibration parameters of blower and make an uproar Sound characteristic is related, repeatedly to test；Inside and outside casing and inside and outside each telescoping tube and outside motor, the shock-absorbing and noise-eliminating material of installation, or With metallic fiber or nonmetallic materials, filling or half filling；Or the sound-absorbing material especially sound-absorbing porous material with resistance to medium temperature, Or flexible material and film material；The porous material can be fiber-like, foam class, particulate species, be applied alone it is good or more or Few mixing application is good；Usable fibers class such as rock wool or glass fiber or mineral wool especially super glass wool；Or with foam class, , as at motor, fireproof at warm raising；Or with particulate species such as expanded perlite, the fabric of porous clay brick and heatproof, Felt is filled, or is attached；The honeycomb structure also prefabricated can afterwards attach, or mixing molding.Due to the acoustic absorptivity of each material (standing-wave-tube method acoustic absorptivity, reverberation method acoustic absorptivity) is different, and incident angle also has an impact acoustic absorptivity, and some is to high frequency sound It absorbs preferably, some is preferable to Low Frequency Sound Absorption, and multiple material has complementary efficiency, vibration to involve noise and reflected, and converts, and inhales It receives, decaying, therefore is conducive to further improved performance index.

The attachment of original blower product only has shoulder strap (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 mask, gloves and safety goggles and insurance in its attachment, to be promoted Product specification, and facilitate user.

A kind of improvement of low vibration foliage pressure-vacuum machine contains and blows the improvement that impeller adds cutting edge, it is characterized in that；Described blows leaf It takes turns and is equipped with cutting edge, such as Fig. 8, and the cutting edge of amplification is as shown in figure 18, cutting edge containing top (16a) and side week cutting edge (16b) are described Top cutting edge (16a) blow impeller blade top surface and to blow the positive angle of impeller blade be acute angle；And the side week cutting edge Blowing impeller blade lateral circle surface and blowing the positive angle of impeller blade also for (16b) is acute angle；The cutting edge for blowing impeller and adding Or it is shorter along the edge of face of blade part, or along the big portion head in edge；Its cutting edge is straight sword or arcuate blade, or more Sword is rolled over, and its arcuate blade is archimedes line or parabola.As an improvement, it is also separately equipped with shear-steel knife in the impeller that blows, Such as use strip-shaped cutter；As an improvement, being blown on impeller blade in described, if containing multiple ellipses and hexagonal noise reduction hole.

As an improvement, the idler wheel on contact ground is changed to turn to, becomes and easily turn to blower, be another flower of blower Chromaticity kind is liked and when custom blower to meet some operation pedestrians, when especially encountering corner place, left Gu Expect and turn over that angle carrys out pressure-vaccum to facilitate the requirement of work in the right side.The axle stand of original telescoping tube (31) lower head is decoupled It opens, makes an independent part axle stand (31a), the ground of axle stand is placed in original telescoping tube (31) lower head Side sets a hole, to be inserted into the vertical shaft of the ring card slot on the axle stand (31a), as shown in the explosive view of Figure 23；Remaining and It is originally the same, it is still to wear wheel shaft (34) in axle stand (31a), then set 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 more protruded tubes (46), and set autonavigator, Such as elastic collision bead autonavigator (45) or the autonavigator of collision block or the autonavigator of torsional spring, it is used again without employment Hand is gone by button, and to reduce volume, random pulling-down had both been automatically positioned in place, improved work efficiency.It is described with autonavigator phase The more protruded tubes (46) matched are more piece, such as 4 sections；More protruded tubes (46) are all provided with fluted to be adapted to locator.

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

Another significant improvement, associates the principle for the accordion that can freely draw in pull-out, and common dust catcher and washes Clothing machine folds hose, it is improved and uses blower and makees more protruded tubes, as shown in figure 21, pipe might as well be called flexible folding It manages (47)；For convenience of positioning, or it is used in combination with more protruded tubes (48)；The flexible folding pipe (47) is characterized in：It has multiple Fold, no matter its section side of being circle or other shapes, the adjacent ring week of pipe is one small phase of enclosing the land of a great circle Between arrange i.e. a slubbing connects a details in single file, section is more piece, minimum 4 section or more；Alternatively, the flexible folding The tubing flexible material such as fabric of (47), cloth, plastic film are managed, while multiple rings are equipped at intervals with along flexible pipe, or along flexible pipe It is inner or outer, suit helical spring as interval ring, to support and draw in pull-out；The helical spring is sparse and flexible 's.

A kind of improved another item important offer of the present invention to low vibration foliage pressure-vacuum machine is to improve manufacture and assembly The method containing laser of precision, improving motor and blowing impeller concentricity and survey dynamically balanced existing precision modulding component has again The improved method that laser sights tooling.Because blower vibration and noise very big root power and tool precision and morpheme Tolerance motor and blows impeller concentricity so to improve, and to survey dynamic balancing, in the hope of the low vibration low noise to blower this The hard nut to crack left for a long time has certain curative effect；First, the requirement to geometric tolerance is improved from layout design, such as right Motor and the requirement for blowing impeller assembly concentricity and geometric tolerance also increase motor and blow impeller interference volume, then with reinforcing work Clamps press；Moreover precision die is prepared with numerical control CNC machining centers, and such as blow plastic impeller and post-process, it leads It is to use high-temperature vapour method to want method, preferably steams enough three hours or more, is unlikely to deform and loses shape in the hope of plastic part size；Secondly, to carry High motor and blow impeller concentricity, when assembly, using dedicated calibration motor and that blows impeller assembly concentricity have laser to sight Tooling press, after pressing, and survey dynamic balancing amendment through bulk sampling and can just go up producing line, the survey that also to sample of last complete machine is dynamic flat Weighing apparatus, in the hope of being aided with many places shock-absorbing and noise-eliminating material, and integrating composition one kind having improved low vibration foliage pressure-vacuum machine.

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

The low vibration foliage pressure-vacuum machine for having the pressure angle safety door of equal logatithmic spiral everywhere, including safety door, movable Assist handle, the improvement of dust bag bracket and tying, bodice upper casing dust mouth add soft, blow impeller and cutting edge, circuit is added to add guarantor Danger and biswitch, idler wheel are changed to turn to, and single protruded tube is changed to more protruded tubes or flexible folding pipe；The tool pressure angle The low vibration foliage pressure-vacuum machine of the 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 cord (3), cable cover(ing) (4), switch trigger (5), switch trigger spring (6), end Sub- platform (7), cable pressing plate (8), capacitance I (9), tapping screw II (10), main switch (11), governor (12), rubber sheet gasket (13), motor (14), fan blade gasket (15) blow impeller (16), hex nut (17), fan blade patch (18), tapping screw III (19), rotation shaft-cup (20), spring (21), baffle ring (22), pressure-vaccum change-over panel (23), bodice bottom case (24), safety switch (25), rotation axis (26), pressure-vaccum conversion turn-knob (27), side button (28), torsional 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), shoulder strap (43) and band (44), elastic collision bead autonavigator (45), more protruded tubes (46), flexible folding pipe (47), blowout it is more Protruded tube (48), the safety door are formed；The tapping screw I (1) is multiple, fixes the bodice upper casing (2) With bodice bottom case (24)；The bodice upper casing (2) and bodice bottom case (24) is that the right dress of a first from left closes, and contains handle part, Assist handle position, protruded tube limiter position, motor spiral case position, pressure-vaccum change a position, dust mouth position and several plug-in Position；On the handle part of the bodice upper casing (2) and bodice bottom case (24), the power cord (3), electricity are housed according to this Cable sheath (4), switch trigger (5), switch trigger spring (6), terminal board (7), cable pressing plate (8), capacitance I (9), tapping screw II (10), main switch (11), governor (12)；At the motor spiral case position of the bodice upper casing (2) and bodice bottom case (24) On, the rubber sheet gasket (13), motor (14) are housed according to this, fan blade gasket (15) blows impeller (16), hex nut (17), Fan blade patch (18)；Change a position in the pressure-vaccum of the bodice upper casing (2) and bodice bottom case (24), be equipped with according to this it is described from Attack screw III (19), rotation shaft-cup (20), spring (21), baffle ring (22), pressure-vaccum change-over panel (23), bodice bottom case (24), safety It switchs (25), rotation axis (26), pressure-vaccum converts turn-knob (27)；In the stretching of the bodice upper casing (2) and bodice bottom case (24) Pipe limiter position is equipped with the side button (28), torsional spring (29), torsion axis (30) and telescoping tube (31) according to this；Described Telescoping tube (31) is cylinder or square tube, and is equipped with peace wheel position in front lower portion；It is set in the front lower portion of the telescoping tube (31) Some peace wheels position is equipped with the shaft block ring (32), wheel (33), wheel shaft (34) according to this；In the bodice upper casing (2) and the dust mouth position of bodice bottom case (24), it is equipped with soft (2a)；In the bodice upper casing (2) and bodice bottom case (24) card slot there are two being set outside dust mouth position blocks hang dust bag bracket (35) and dust bag (36) thereon；Described Dust bag bracket is equipped with hook (35a), hook muscle (35b), hook sideshake (35c), and big bagging circle (35d) and small bagging circle (35e)；The dust bag (36) is made by fabric, and is equipped with and is marched and two related hanging buckles；The dust bag prepared (36) the band (44) that side is encased with suture (36) is placed on the big bagging circle (35d) of the dust bag bracket (35) and small set It is tightened between bag circle (35e)；At the assist handle position of the bodice upper casing (2) and bodice bottom case (24), it is equipped with according to this The hexagon-headed bolt (37), square assist handle knob (38), tapping screw IV (39), auxiliary handle lid (40), auxiliary Hand handle bottom (41), M6 nuts (42), forms movable assist handle；On the auxiliary handle lid (40) of the assist handle, if There are multiple radiation teeth that arc-shaped connection handle (40a) is additionally provided with end stupefied (40b)；Circuit is insured (RC) by terminal board (7), Double-pole switch (K), inductance (L), capacitance II (C), and the series excited machine (M) equipped with winding and governor (12) are formed；Institute The governor (12) stated can be changed by bidirectional triode thyristor I (TC) and bidirectional triode thyristor II (DC), resistance I (R1), resistance II (R2) Resistance (R3), capacitance III (C2) and speed-regulating switch (K3) are formed；The impeller that blows is equipped with cutting edge, cutting edge containing top (16a) and side week cutting edge (16b)；The tooling sighted with laser when assembly is blown impeller (16) and is post-processed, and surveys dynamic balancing；Institute Soft stated is at least a piece of, and its triangular in shape or oblique quadrangle or trapezoidal；Described soft is not directly injection-moulded in shell On, and with the fabric of flexible material；The hook muscle (35b) has 3, or more；The band is that have barb to buckle Nylon cable tie；What the described idler wheel contact ground was changed to can to turn to, be the axle stand telescoping tube (31) lower head It splits, makes an independent part axle stand (31a), and the ground of axle stand is placed in telescoping tube (31) lower head Side sets a hole, is inserted into the vertical shaft of the ring card slot on the axle stand (31a)；Again wheel shaft is worn in axle stand (31a) (34), and one wheel pairs (33) are set up, and respectively loads onto shaft block ring (32)；It is equipped with containing multiple on impeller blade in blowing for blower Oval and hexagonal noise reduction through-hole；Vibration-absorbing and silencing honeycomb structure is equipped on blower, in many a dense interconnections Hexagon and Wedge structure containing noise elimination, density and its breadth depth ratio, it is related with the vibration parameters of blower and noise properties, it is more Secondary test；And shock-absorbing and noise-eliminating material is set, or with metallic fiber or nonmetallic materials, filling or half fill；Or the suction with resistance to medium temperature Sound material or sound-absorbing porous material or flexible material and film material；The porous material is fiber-like, foam class, Grain class, or mixing application；With fiber-like or rock wool or the super glass wool of mineral wool；Near the raised motor of temperature, to prevent Fire；With particulate species or with expanded perlite, the fabric and felt of porous clay brick and heatproof are filled or are attached；Or honeycomb knot It is attached after structure is prefabricated, or mixing molding；The blower, it is characterized in that：The tool pressure angle equal logatithmic spiral everywhere The low vibration foliage pressure-vacuum machine of safety door is equipped with the safety door, be for meet new safety defined cannot have 8 millimeters and Above straight stick is made to pacify from the requirement of the fan inside the orientation detection to blower of the close dust bag of the dust mouth of upper casing Full protection, the safety door (50) by shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge (50d) It is formed, and safety door control strip (49) is equipped in the dust bag bracket (35), the safety door (50) stirs face (50b) is the face for having pressure angle equal logatithmic spiral everywhere, and the safety door control strip (49) is by control strip sharp (49c), control System curved surface (49a), control strip inclined wedge are formed, and the safety door (50) is controlled out by the safety door control strip (49) It closes, when not installing dust bag bracket (35), the safety door (50) keeps original state to make security protection to be closed, Face (50b) is stirred to open outside the dust mouth of the upper casing (2) of blower；It is described when installing dust bag bracket (35) The control strip of safety door control strip (49) sharp (49c), control strip curved surface (49a), control strip inclined wedge push the safety door according to this (50) face (50b) of stirring makes the safety door (50) turn on, and makes a part for the disorderly vortex mixed for main pressure-vaccum stream with miscellaneous Object another part by the middle part of dust mouth passes through the noise reduction honeycomb point for the safety door (50) of dust mouth peripheral portion turned on Split (50d) and air-permeable layer (50c) and failure is to there is Noise Reduction.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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；It is in multi-prism taper that the wedge, which is equipped with many protrusions,；Many wedge composition wedges are more Stupefied structure, the arrangement in face are honeycombs.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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, and the top of the hexagonal pyramid shaped wedge in each wedge (50d) is equipped with Micropore, approximate diameter are advisable at 0.1 to 0.5 millimeter；It is in multi-prism taper that the wedge, which is equipped with many protrusions,；Many wedge groups At the how stupefied structure of wedge, the arrangement in face is honeycomb.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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 that tool pressure angle is equal everywhere The face of the logatithmic spiral of characteristic.

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

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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 equipped with the through-hole that multiple diameters are less than 8mm.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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 be equipped with multiple major diameters less than 8mm ellipse through-hole in favor of Noise reduction.

Below come state continuously improve that perfect tool lithium battery drive motor ring Zhou Binglie filters muffling air duct blow leaf machine：

Tool lithium battery drive motor ring Zhou Binglie filtering muffling air ducts blow leaf machine, which is characterized in that its stator containing tool connects Fan blade rotates and air duct that brushless motor that rotor does not turn is used as power, the air duct, by preceding air duct 51, preceding shunting conehead 52, Inner rotor shaft 53, interior winding 53c, it blows paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing 53a, be located at After simply supported beam bearing block 53d motor front or that branch is on the inner rotor shaft 53 or on Zhi Qian shunting coneheads 52, motor Bearing 53b, rear bearing flange seat 57, the rear air duct 58 of tool spreader 58a, air duct guard ring 59, noise reduction hole 60 are formed, described The rear air duct 58 and air duct guard ring 59 of preceding air duct 51 and the middle air duct 56 and the tool spreader 58a connect successively；It is described Preceding air duct 51 is equipped with horn mouth 51a, and function curve of the outer profile curve containing higher mathematics of the horn mouth 51a is secondary double Curve, to subtract turbulent flow；And the preceding air duct 51 be equipped with it is multiple tool rectangular through holes preceding bayonet 51h, so as to the middle air duct The 56 multiple triangle overhead kick screens 56h being equipped with are matched；Shunting conehead 52 is mounted on the inner rotor shaft 53 before described Front end is simultaneously firm with axis cushion card, and the inner ring of the motor fore bearing 53a, institute are installed in the front end of the inner rotor shaft 53 Shunting conehead 52 is equipped with the frustum of a cone 52a of protrusion, the inner ring of the apical ring of the frustum of a cone and the motor fore bearing 53a before stating It is connected；Bearing 53b after the motor is installed in the rear end of the inner rotor shaft 53, and bearing 53b's is interior after the motor Ring is connected with the rear end of the interior wound rotor axis 53；The outer shroud of bearing 53b and the rear bearing flange after the motor Seat 57 is connected, it is described after bearing flange seat 57 be equipped with multiple threaded hole 57a, to be equipped with the middle air duct 56 Along air duct central axes, uniformly distributed multiple threaded block 56f around arrangement are connected, and the middle air duct 56 is equipped with multiple radial width 56c It connects described along the uniformly distributed multiple threaded block 56f around arrangement in air duct central axes, the multiple diameters of the middle air duct 56 being equipped with To width 56c cooperations also corresponding with multiple radial direction width slot 58b that the rear air duct 58 of the tool spreader 58a is equipped with；After described Bearing flange seat 57 and the silicon steel sheet group of the interior winding 53c are fixedly mounted with；The excircle of shunting conehead 52 and the motor before described Stator casing 55 is fixedly mounted with, and ring week multi-disc permanent magnetic strip group is fixedly mounted in the motor stator shell 55, the motor stator shell 55 Periphery be fixedly mounted with it is described blow paddle wheel fan 54 blow paddle wheel fan inner lane 54c, the projection of the radial center for blowing paddle wheel fan 54 After the motor fore bearing and the motor between bearing or the radial center for blowing paddle wheel fan 54 be projected in it is described Between bearing and close to bearing after the motor after motor fore bearing and the motor, change long cantilever its essence is the mechanics of materials Fine strain of millet is the radial component to blow paddle wheel fan 54 of short cantilever fine strain of millet or single beam as power and to blow the radial center of paddle wheel fan 54 Projection with the centre of sphere of bearing after the motor at a distance from for the arm of force the problem of；The radial center for blowing paddle wheel fan 54 The distance between the distance between the projection of motor axis and the centre of sphere of bearing after the motor centre of sphere of motor front and back bearings The ratio between be not more than one to four；The arm of force is short, and outlet air is made to increase, the practical turn up 3 for blowing leaf machine of the brushless motor Wan Duozhuan；The row that the rear air duct 58 of the line outlet groove 56XC of the middle air duct 56 being equipped with and the tool spreader 58a are equipped with Wire casing 58XC phases match to discharge three electric wires of the interior winding 53c；The middle air duct 56 be equipped with along air duct Slot 56d is equipped with the outer shroud weeks of the uniformly distributed multiple threaded block 56f around arrangement of axis with the rear wind with the tool spreader 58a The spreader 58a connections that cylinder 58 is equipped with；The rear air duct 58 of the tool spreader 58a is equipped with the rear card of multiple tool rectangular through holes Mouth 589h it matches with multiple triangle overhead kick screens 59h that the air duct guard ring 59 is equipped with；The noise reduction hole 60 is by being permitted The polygonal pyramid not of uniform size with through-hole of multiple facings containing sound-absorbing material is formed, and many places, which diffuse, is distributed in the preceding wind The inner surface of the rear air duct 58 and air duct guard ring 59 of cylinder 51 and the middle air duct 56 and the tool spreader 58a, also many places The surfaces externally and internally for being distributed in the spreader 58a is diffused, is absorbed sound and is insulated against sound with profit；Or the air duct is adapted as plus is simplified to eliminate the noise Device is uniformly distributed around the outer of the multiple threaded block 56f arranged along air duct central axes in being equipped with for the middle air duct 56 Be equipped in ring week position that slot 56d is connect with the spreader 58a being equipped with the rear air duct 58 of the tool spreader 58a every Firmly, and on the tool spreader 58a multiple hush tube small through hole are set and is contained by many with the noise reduction hole 60 being equipped with The thickly dotted polygonal pyramid collective effect with through-hole of sound-absorbing material facing and many places diffuse and are distributed in the spreader 58a Surfaces externally and internally, air-flow through the preceding air duct and the first big cavity 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 is carried out primary every firmly The second largest cavity for compressing and entering the inner surface of the spreader 58a carries out primary expansion, by the gas of first compression expansion 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 until 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 the rear air duct 58 of 58a 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, are conducive to sound absorption and noise elimination and noise abatement.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized 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 the centre of sphere of motor front and back bearings are not more than one to six.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that the noise reduction hole 60 has through-hole by many a sound-absorbing material facings containing straw and leaf pressboard Polygonal pyramid not of uniform size formed.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that the noise reduction hole 60 by many compressed tablets containing leaf sound-absorbing material facing the size with through-hole The hexagonal pyramid to differ is formed.Or the noise reduction hole 60 by many sound-absorbing material facings suppressed containing leaf with through-hole Hexagonal pyramid shaped wedge not of uniform size is formed.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that many places of the sound-absorbing material facing of many compactings containing leaf in the noise reduction hole 60, which diffuse, is distributed in institute The hexagonal pyramid for stating the surfaces externally and internally of spreader 58a has through-hole.The sound absorption that the noise reduction hole 60 is suppressed by many containing leaf The many places of material facing diffuse the hexagonal pyramid shaped point for having through-hole of the hexagonal pyramid for the surfaces externally and internally for being distributed in the spreader 58a It splits and is formed.The surfaces externally and internally of the spreader 58a has the parabola shaped of the function curve of higher mathematics.The noise reduction hole 60 The many places of the sound-absorbing material facing of many compactings containing leaf diffuse the hexagonal pyramid for the surfaces externally and internally for being distributed in the spreader 58a There is the hexagonal pyramid shaped wedge of through-hole to be tool middle part to have larger cavity and surfaces externally and internally has compared with small through hole.The air duct shield The flat outlet of circle 59 having is jujube core shape pointed at both ends.

In order to better adapt to frequency of noise elimination characteristic, it is proposed the Zhou Binglie filtering of tool lithium battery drive motor ring before this and eliminates the noise Air hose blows leaf machine, is further improved now and blows leaf machine for what is eliminated the noise with the preceding sound absorption noise elimination of assembled motor and rear air duct multitube.

Contain air duct with the leaf machine that blows that preceding air duct sound absorption is eliminated the noise and rear air duct multitube is eliminated the noise is combined, by preceding air duct 51, preceding shunting Conehead 52, interior winding 53c, blows paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing at inner rotor shaft 53 53a, it is located at simply supported beam bearing block motor front or that branch is on the inner rotor shaft 53 or on Zhi Qian shunting coneheads 52 Bearing 53b, rear bearing flange seat 57, the rear air duct 58 of tool spreader 58a, air duct guard ring 59,60 institute of noise reduction hole after 53d, motor The rear air duct 58 and air duct guard ring 59 of composition, the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a are successively Connect；By lithium battery drive motor, motor external stator connects fan blade rotation, the motor and preceding shunting conehead 52 and spreader 58a It is installed in rear air duct 58, after the central axes of the motor and preceding shunting conehead 52 and spreader 58a are installed in it The central axes of air duct 58 overlap；It is characterized in that, in the ring week and institute of the motor and preceding shunting conehead 52 and spreader 58a State between rear air duct 58 side by side the filtering muffling air duct 61 of air duct longitudinal direction at least one and after described；The filtering disappears Sound air hose 61 belongs to reactive muffler；It is equipped on cross section between the ring week and the rear air duct 58 of the spreader 58a To install the filtering muffling air duct 61 of the rear air duct longitudinal direction, the filtering muffling air duct 61 is equipped with multiple noise elimination partition board 62 Noise reduction hole 60；The affixed sound-absorbing material 63 of the cavity inner wall of air duct in the rear, in the affixed sound absorption material of the inside and outside wall of the preceding air duct Material 63 sets multiple sound absorption muffling air ducts in the affixed sound-absorbing material 63 of outer wall of the filtering muffling air duct in the preceding air duct 65；The sound absorption muffling air duct 65 belongs to dissipative muffler；It is inhaled in the affixed porosity of inside and outside wall of the sound absorption muffling air duct 65 Sound material；It is equipped with the overhead kick 64 of multiple wedges for having turn right angle in the inner wall of the preceding air duct；The side of affixed sound-absorbing material 63 Method is at the position of the affixed sound-absorbing material of inside and outside wall 63 of the preceding air duct, in the affixed sound absorption of outer wall of the filtering muffling air duct The position of material 63, at the position of the affixed porous sound-absorbing material of inside and outside wall of the sound absorption muffling air duct 65, first in production line Upper dipping glue, then go deep into the clast of sound-absorbing material；Fast forwarding through in the production line again has glue dipping in hot wind and glues The position movement of the clast of upper sound-absorbing material is baked.

Or, between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a side by side At least two and after described air duct longitudinal direction filtering muffling air duct 61.

Or, between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a side by side At least three and after described air duct longitudinal direction filtering muffling air duct 61.

Or, between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a side by side At least eight and after described air duct longitudinal direction filtering muffling air duct 61.

Described is arranged side by side between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a Its is different in size for filtering muffling air duct 61 and the air duct longitudinal direction after described.

Described is arranged side by side between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a The hole size in multiple noise reduction holes 60 that filtering muffling air duct 61 and along the rear air duct longitudinal direction which is provided with differs.

Described is arranged side by side between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a The hole size in multiple noise reduction holes 60 that filtering muffling air duct 61 and along the rear air duct longitudinal direction which is provided with is alternate.

Described is arranged side by side between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a The through-hole density interphase in multiple noise reduction holes 60 that filtering muffling air duct 61 and along the rear air duct longitudinal direction which is provided with.

Described is arranged side by side between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a The through-hole in multiple noise reduction holes 60 and that the filtering muffling air duct 61 of air duct longitudinal direction which is provided with after described have it is thin have it is close.

Described is arranged side by side between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a The through-hole in multiple noise reduction holes 60 and after described in the middle part of longitudinal filtering muffling air duct 61 its pipe of air duct is smaller and dilute It dredges.

Usefulness：Frequency of noise elimination characteristic is better adapted to, tool lithium battery drive motor ring Zhou Binglie filters muffling air duct Blow leaf machine, which is characterized in that the motor and preceding shunting conehead 52 and spreader 58a ring week and it is described after air duct 58 it Between side by side the filtering muffling air duct 61 of air duct longitudinal direction at least one and after described；The spreader 58a ring week and Cross section after described between air duct 58 is equipped with noise elimination partition board 62 to install the filtering muffling air duct of the rear air duct longitudinal direction 61, the filtering muffling air duct 61 is equipped with multiple noise reduction holes 60.Or, in the motor and preceding shunting conehead 52 and spreader The ring week of 58a and it is described after between air duct 58 side by side at least two and after described air duct longitudinal direction filtering muffling air duct 61 There is noise reduction effect.Or, between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a side by side It at least three and the filtering muffling air duct 61 along the rear air duct longitudinal direction has noise reduction effect and material-saving.Or, in the motor Ring week of preceding shunting conehead 52 and spreader 58a and it is described after between air duct 58 side by side at least eight and after described The filtering muffling air duct 61 of air duct longitudinal direction is suitable for product, has noise reduction effect to arrive, air quantity is larger；Disadvantage takes material.Pipe multitube is few just In the several class of product point.The ring week and the rear air duct in the motor and preceding shunting conehead 52 and spreader 58a Between 58 side by side and its is different in size for the filtering muffling air duct 61 of air duct longitudinal direction after described, pipe range is critically important, to lead to Experiment adaptation sound pipe equivalent length is crossed in the hope of noise elimination effect.It is described in the motor and preceding shunting conehead 52 and spreader 58a Ring week and it is described after between air duct 58 side by side and the filtering muffling air duct 61 of air duct longitudinal direction which is provided with after described The hole size in multiple noise reduction holes 60 differ significantly, through-hole varies, and expands the adaptability of the breadth of frequency of noise elimination.Institute State the motor and preceding shunting conehead 52 and spreader 58a ring week and it is described after between air duct 58 side by side and along The hole size in multiple noise reduction holes 60 that the filtering muffling air duct 61 of air duct longitudinal direction which is provided with after described is alternate, is conducive to noise elimination Impedance.It is described in the motor and the ring week of preceding shunting conehead 52 and spreader 58a and it is described after between air duct 58 side by side And the filtering muffling air duct 61 of air duct longitudinal direction which is provided with after described multiple noise reduction holes 60 through-hole density interphase, have It is covered with beneficial to frequency.Described ring week in the motor and preceding shunting conehead 52 and spreader 58a and it is described after air duct 58 it Between side by side and the through-hole in the filtering muffling air duct 61 of air duct longitudinal direction which is provided with after described multiple noise reduction holes 60 have Dredge have it is close be beneficial to assign pipe in it is distinguished and admirable.The ring week and institute in the motor and preceding shunting conehead 52 and spreader 58a State between rear air duct 58 side by side and multiple noise reductions after described in the middle part of longitudinal filtering muffling air duct 61 its pipe of air duct The through-hole in hole 60 is smaller and sparse, is beneficial to distinguished and admirable in pipe and reduces premature ejaculation to continuation flow forward when middle part.Air-flow enters filtering The small through hole in multiple noise reduction holes of the outer surface of muffling air duct 61 and carry out first compression and enter back into the filtering muffling air duct The second largest cavity of inner surface carries out primary expansion, and the gas by first compression expansion is entering the filtering muffling air duct The second largest cavity of inner surface flows backward again, until having spent the ring week in the spreader 58a and the rear air duct Cross section between 58 is equipped with the position of the connection of noise elimination partition board 62 behind the position lived, and just squeezes into the filtering noise elimination wind The through-hole in multiple noise reduction holes 60 of the latter half of inner surface of pipe and carry out second-compressed, subsequently enter the filtering noise elimination wind The latter half of the third-largest cavity between the shell of the rear air duct of pipe carries out reexpansion again, then is blown out from outlet, completes The noise elimination process of multiple compression-expansion is conducive to sound absorption and eliminates the noise and noise abatement.Resultant effect is notable；It contributes big, low noise is blown Wind is more, lighter, and product is made to attain a yet higher goal, and its essence is tool lithium battery drive motor ring Zhou Binglie to filter blowing for muffling air duct The air duct and silencer of leaf machine is combined and is one with two, and no one expects making product before, preferably adaptation frequency of noise elimination Characteristic, effect are self-evident.

Description of the drawings

Present invention will be further explained below with reference to the attached 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 vertical 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 rotation axis (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 more protruded tubes (46).

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

Figure 22 is the schematic diagram of autonavigator (45) and more 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 more protruded tubes of the more piece pull rod of other end flanging.

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

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

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

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

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

Figure 30 is that portable tool stator connects fan blade rotation 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 the signal that portable tool stator connects fan blade rotation and 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 the front side of middle air duct 56 regards.

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 the front side for the rear air duct 58 for having spreader 58a regards.

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

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

Figure 45 is that have that permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf machine.

Figure 46 is the cross-sectional schematic diagram of the air duct for blowing leaf machine containing muffling air duct 61 and noise elimination partition board 62.

Figure 47 is the signal with the vertical profile for combining the air duct for blowing leaf machine that preceding air duct sound absorption is eliminated the noise and rear air duct multitube is eliminated the noise Figure.

As shown, in figure：

1. being tapping screw (1)；2. being bodice upper casing (2)；

3. being power cord (3)；4. being cable cover(ing) (4)；

5. being switch trigger (5)；6. being switch trigger spring (6)；

7. being terminal board (7)；8. being cable pressing plate (8)；

9. being capacitance (9)；10. being tapping screw (10)；

11. being main switch (11)；

12. being governor (12)；

13. being rubber sheet gasket (13)；

14. being motor (14)；

15. being fan blade gasket (15)；

16. being to blow impeller (16)；

17. being hex nut (17)；

18. being fan blade patch (18)；

19. being tapping screw (19)；

20. being rotation shaft-cup (20)；

21. being spring (21)；

22. being baffle ring (22)；

23. being pressure-vaccum change-over panel (23)；

24. being bodice bottom case (24)；

25. being safety switch (25)；

26. being rotation axis (26)；

27. being pressure-vaccum conversion turn-knob (27)；

28. being side button (28)；

29. being torsional spring (29)；

30. being torsion axis (30)；

31. being telescoping tube (31)；

32. being shaft block ring (32)；

33. being wheel (33)；

34. being wheel shaft (34)；

35. being dust bag bracket (35)；

36. being dust bag (36)；

37. being hexagon-headed bolt (37)；

38. being square assist handle knob (38)；

39. being tapping screw (39)；

40. being auxiliary handle lid (40)；

41. being auxiliary handle bottom (41)；

42. being M6 nuts (42)；

43. being shoulder strap (43)；

44. being nylon cable tie (44)；

45. being elastic collision bead autonavigator (45)；

46. being more protruded tubes (46)；

47. being flexible folding pipe (47)；

48. being more protruded tubes (48) of blowout；

49. being safety door control strip (49)；

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

49c. control strips are sharp (49c)；

50. being safety door (50)；

50a. is 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 side week cutting edge (16b)；

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)；

Air duct 51 before 51.,

Before 52. shunt conehead 52,

53. inner rotor shaft 53,

Winding 53c in 53c.,

54. blow paddle wheel fan 54,

55. motor stator shell 55,

Air duct 56 in 56.,

53a. motor fore bearings 53a,

Bearing 53b, 53d. simply supported beam bearing blocks 53d after 53b. motors,

Bearing flange seat 57 after 57.,

Air duct 58 after 58.,

58a. spreaders 58a,

59. air duct guard ring 59,

60. noise reduction hole 60；61. hush tube 61；62. noise elimination partition board 62；

58a. spreaders 58a；

51a. horn mouths 51a；

Bayonet 51h before 51h.；

56h. triangle overhead kick screens 56h；

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

The more a threaded hole 57a of 57a.；

The more a threaded block 56f of 56f.；

The radial width 56c of more of 56c.；

The radial width slot 58b of more 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 capacitance 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 resistance (R3)；

C2. it is capacitance (C2)；

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

Specific implementation mode

Operation pedestrian preferably puts on safety goggles and mask, also uses shoulder by liking and being accustomed to selection foliage pressure-vacuum machine Band 43 be sleeved on shoulder and casing on；The telescoping tube of pressure-vaccum is pulled out, rotating speed is adjusted, mixes up assist handle；It checks power supply, mixes The long line of enough power supplys, checks again for insuring, and by operation instructions, runin once, has checked leaf area without cullet and electric wire, It can just be made under secure conditions of foliage pressure-vacuum machine, while notably rain situation.

The specific implementation mode that just its technical problem of present invention solution is taken again below is made to explain in detail：

Because of a kind of improvement of low vibration foliage pressure-vacuum machine, including installing movable assist handle, dust bag bracket and bundle additional The improvement of mouth, i.e. bodice upper casing dust mouth adds soft, blows impeller and cutting edge, circuit is added to add in insurance and biswitch and blower The material and honeycomb of additional silencing vibration-damping, idler wheel are changed to turn to, and single protruded tube is changed to more protruded tubes or flexible folding A variety of synthesis improvements of pipe, so operating handle and effect have change.Because of the improved low vibration foliage pressure-vacuum machine, By tapping screw 1, bodice upper casing 2, power cord 3, cable cover(ing) 4, switch trigger 5, switch trigger spring 6, terminal board 7, cable Pressing plate 8, capacitance 9, tapping screw 10, main switch 11, governor 12, rubber sheet gasket 13, motor 14, fan blade gasket 15 blow impeller 16, hex nut 17, fan blade patch 18, tapping screw 19, rotation shaft-cup 20, spring 21, baffle ring 22, pressure-vaccum change-over panel 23, greatly Body bottom case 24, safety switch 25, rotation axis 26, pressure-vaccum convert turn-knob 27, side button 28, torsional 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, the rotation of square assist handle Button 38, tapping screw 39, auxiliary handle lid 40, auxiliary handle bottom 41, M6 nuts 42, shoulder strap 43 and nylon cable tie 44, bullet 45 or more protruded tube 46 of property collision bead autonavigator or flexible folding pipe 47, more protruded tubes 48 of blowout are formed；Described Tapping screw 1 is multiple, fixes the bodice upper casing 2 and bodice bottom case 24；When its assembly method, plays self-tapping screw and use The pneumatic screw batch or electric screwdriver for determining torque, so that torque is rationally uniform；Again because of the bodice upper casing 2 and bodice bottom Shell 24 is that the right dress of a first from left closes, and 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 bodice upper casing 2 and bodice that the right dress of a first from left closes On the handle part of bottom case 24, it is packed into the power cord 3 according to this, cable cover(ing) 4 switchs trigger 5, switch trigger spring 6, end Sub- platform 7, cable pressing plate 8, capacitance 9, tapping screw 10, main switch 11, governor 12；In the bodice that the right dress of a first from left closes On the motor spiral case position of upper casing 2 and bodice bottom case 24, it is packed into the rubber sheet gasket 13 according to this, motor 14, fan blade gasket 15, Blow impeller 16, hex nut 17, fan blade patch 18；The bodice upper casing 2 that is closed in the right dress of described the first from left and bodice bottom case 24 Pressure-vaccum changes a position, is packed into the tapping screw 19 according to this, rotates shaft-cup 20, spring 21, baffle ring 22, pressure-vaccum change-over panel 23, Bodice bottom case 24, safety switch 25, rotation axis 26, pressure-vaccum convert turn-knob 27；In the bodice upper casing 2 that the right dress of a first from left closes With the protruded tube limiter position of bodice bottom case 24, it is packed into the side button 28, torsional spring 29, torsion axis 30 and telescoping tube according to this 31；The telescoping tube 31 is interconnected containing cylinder and square tube and in front, and is equipped with peace wheel position in front lower portion；It stretches in described The peace wheel position that the front lower portion of pipe 31 is equipped with is packed into the shaft block ring 32, wheel 33, wheel shaft 34 according to this；Described one The dust mouth position for the bodice upper casing 2 and bodice bottom case 24 that the right dress of the first from left closes, is equipped with soft 2a；Described soft at least one Shown in piece or multi-disc, such as three pieces, such as Fig. 4, Fig. 5 and Figure 11；Described soft is usually provided at upper casing, depending on type difference, or It is all set in two shells；Described soft is typically directly moulded on shell, triangular in shape or oblique quadrangle or trapezoidal；Alternatively, Described soft is not directly injection-moulded on shell, then uses flexible material, such as fabric, so blowout sundries is unlikely when entering bag Yu Taimeng, sack are not easy to；Again because of the bodice upper casing (2) and bodice bottom case (24) closed in the right dress of a first from left Card slot there are two being set outside the position of dust mouth, therefore hang dust bag bracket 35 and dust bag 36 convenient for card；Again because of the collection Dirt bag bracket 35 is equipped with hook 35a, links up with muscle 35b, links up with sideshake 35c, and big bagging circle 35d and small bagging circle 35e；It is original Hook muscle 35b, only 2, support force is poor, and causing to link up with 35a has and loosen once in a while；It is now changed to hook muscle 35b, there are 3 or more More, support force is higher so that hook 35a is not easy to loosen；The dust bag (36) is made by fabric, equipped with marching and two Related hanging buckle, convenient for making hanging buckle hang on the hook at the plug-in position on the shell；And march be for pull open bag go to pour out it is broken Leaf；Again because using a kind of improved method that dust bag bracket pricks sack：It is ready to commercially available have barb first The nylon cable tie 44 of button, is placed in the fabric of dust bag 36, and packet uses sewing mechanism at suture 36 again, then opens and draws Practice, the band 44 for the suture 36 of the fabric of the dust bag 36 prepared being encased side is put into the dust bag bracket 35 Greatly between bagging circle 35d and small bagging circle 35e, from the big opening part marched, pliers is put in, tenses the nylon cable tie for having barb button 44, and too long of band is cut off just at and easy to manufacture, bag is again firm；Again because the right dress of described the first from left close it is big with The assist handle position of shell 2 and bodice bottom case 24, is packed into the hexagon-headed bolt 37 according to this, square assist handle knob 38, Tapping screw 39, auxiliary handle lid 40, auxiliary handle bottom 41, M6 nuts 42 constitute movable assist handle；The auxiliary On the auxiliary handle lid 40 of handle, referring to Fig. 6, Fig. 7 and Figure 10, it is equipped with arc-shaped connection handle 40a, therefore convenient for protecting the back of the hand, It is additionally provided with multiple stupefied 40b of radiation tooth of end, also advantageous screens.Auxiliary handle on the pressure-vaccum casing of original another style 2b is as shown in figure 11 fixed, auxiliary handle lid 40 not as mentioned is smoothly grabbed well.

Because using a kind of improved safety electricity added with insurance protection of low vibration foliage pressure-vacuum machine provided by the invention Road, thus it is safer.A kind of improvement of low vibration foliage pressure-vacuum machine contains the safety circuit added with insurance protection, referring to Circuit diagram as shown in figure 25 insures RC, double-pole switch K, inductance L, capacitance C, and the string equipped with winding by terminal board 7 Swash motor M and governor 12 is formed；The governor 12 is by bidirectional triode thyristor TC and bidirectional triode thyristor DC, resistance R1, resistance R2, variable resistance R3, capacitance C2 and speed-regulating switch K3 are formed；The present invention is specially added with double-pole switch K and insurance RC uses fuse, or with electrothermal relay, or with overcurrent protector, in the hope of safer；Why existing insurance in power supply, also Add insuranceBecause power supply source is also for many places, insurance is often too big, does not fit into this money foliage pressure-vacuum machine；Described Variable resistance R3 and speed-regulating switch K3 is substantially potentiometer, when being rotated, the angle of flow of bidirectional triode thyristor can be made to change, Keep motor speed adjustable, is then at full speed when going to endpoint makes speed-regulating switch be closed.

Because using a kind of improvement of low vibration foliage pressure-vacuum machine, taken using difference especially in accordance with different type of machines The material matched, containing subtracting vibration arrangement inside and outside blower and in many places of blower plus-minus shake deadener and honeycomb structure, 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 shake deadener is added and subtracted in many places of blower, and set in the air duct many places blown and inhaled Set honeycomb structure, 43 at the signal such as vibration-absorbing and silencing of Fig. 4 shown in；Inside and outside casing and inside and outside each telescoping tube, if many places vibration damping Noise elimination honeycomb structure is in the hexagon and Wedge structure containing noise elimination, density and its breadth depth ratio of many a dense interconnections, and blows The vibration parameters of suction machine are related with noise properties, repeatedly to test；Inside and outside casing and each telescoping tube is inside and outside with outside motor, adds The shock-absorbing and noise-eliminating material of dress, or with metallic fiber or nonmetallic materials, filling or half is filled；Or the sound-absorbing material with resistance to medium temperature Especially sound-absorbing porous material or flexible material and film material；The porous material can be fiber-like, foam class, particle Class, be applied alone it is good, more or less mixing application it is good；Usable fibers class such as rock wool or glass fiber or mineral wool are especially ultra-fine Mineral wool；Or with foam class, as at motor, fireproof at warm raising；Or with particulate species such as expanded perlite, porous pottery The fabric of cob brick and heatproof, felt are filled, or are attached；The honeycomb structure also prefabricated can afterwards attach, or mixing molding.By It is different in the acoustic absorptivity (standing-wave-tube method acoustic absorptivity, reverberation method acoustic absorptivity) of each material, incident angle to acoustic absorptivity also Have an impact, some is preferable to high frequency sound absorption, and some is preferable to Low Frequency Sound Absorption, and multiple material has complementary efficiency, vibration wave And noise is reflected, and is converted, and is absorbed, decaying, therefore be conducive to further improved performance index.

The attachment of original blower product only has shoulder strap 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 add mask, gloves and safety goggles and insurance or even long line in its attachment, therefore Not only product specification is improved, but also facilitates user.

Because of a kind of improvement of low vibration foliage pressure-vacuum machine, containing the improvement that impeller adds cutting edge is blown, i.e., leaf is blown in described It takes turns and is equipped with cutting edge, such as Fig. 8, and the cutting edge of amplification is as shown in figure 18, the 16a of cutting edge containing top and side week cutting edge 16b, the top Blowing impeller blade top surface and blowing the positive angle of impeller blade for portion cutting edge 16a is acute angle；And the side week cutting edge 16b is blown Impeller blade lateral circle surface and blow the positive angle of impeller blade also be acute angle；It is described to blow cutting edge that impeller adds or along blade Positive edge part is shorter, or along the big portion head in edge；Its cutting edge is straight sword or arcuate blade, or rolls over sword more, and its Arcuate blade is archimedes line or parabola.As an improvement, blow impeller described also or can separately be equipped with shear-steel knife, such as Use strip-shaped cutter；As an improvement, being blown on impeller blade in described, can also set containing multiple ellipses and hexagonal noise reduction hole, this Advantageous fragment and pressure-vaccum.

Because the idler wheel on contact ground is changed to turn to, becomes and easily turn to blower, not only increase the another of blower One designs and varieties, and meet some operation pedestrians and like and when custom blower, when especially encountering corner place, Glance right and left and turn over angle and carrys out pressure-vaccum to facilitate the requirement of work.Again because of the wheel shaft 31 lower head of original telescoping tube Frame is split, and makes an independent part axle stand 31a, and axle stand is placed in 31 lower head of original telescoping tube Place sets a hole, to be inserted into the vertical shaft of the ring card slot on the axle stand 31a, as shown in the explosive view of Figure 23；Remaining and It is originally the same, be still to wear wheel shaft 34 in axle stand 31a, then set up one wheel pairs 33, respectively load onto shaft block ring 32, so also compared with It is convenient.

Because using improvement, i.e., as shown in Figure 20 and Figure 22, single cylinder that stretches out is changed to more protruded tubes 46, and set and determine automatically Position device, such as elastic collision bead autonavigator 45 or the autonavigator of collision block or the autonavigator of torsional spring, without employment Gone again by button with hand, therefore reduce volume, can arbitrarily pulling-down both be automatically positioned in place, improve work efficiency, reduce transport at This.The more protruded tubes 46 to match with autonavigator are more piece, such as 4 sections；More protruded tubes 46 are all provided with fluted and fixed Position device adaptation.

Because using significant improvement, the principle for the telescopic antenna that can freely draw in pull-out has been associated, it has been improved simultaneously It uses blower and makees more protruded tubes 46, as shown in figure 24, small suction pipe might as well be called more protruded tubes 48；More protruded tubes 46 and the features of more protruded tubes 48 be one end in-flanges, and other end flanging；And its in single file one section connect a section, be more Section, 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 press standard such as BSEN15503：2009, only 0.9 meter, therefore rod length can be implemented.

Again because using another significant improvement, the principle for the accordion that can freely draw in pull-out has not only been associated, with And common dust catcher and washing machine fold hose, and it is improved and uses blower and makees more 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 more protruded tubes (48)；The 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 week of pipe Be a great circle one it is small enclose the land it is spaced i.e. a slubbing connects a details in single file, section is more piece, minimum 4 section or more； Alternatively, the tubing flexible material such as fabric of the flexible folding pipe 47, cloth, plastic film, while being equipped at intervals with along flexible pipe more A ring, or in or beyond flexible pipe, suit helical spring is as interval ring, to support and draw in pull-out；The spiral Spring is sparse and flexible, therefore can substantially be withdrawn.

Again because using a kind of improved another item important offer of the present invention to low vibration foliage pressure-vacuum machine, as carry The method containing laser of height manufacture and assembly precision improves motor and blows impeller concentricity and survey dynamically balanced existing precision Moulding part has the improved method that laser sights tooling again, therefore product quality is improved.Because blower vibration and noise very Big root so to improve motor and blow impeller concentricity, and will survey dynamic balancing in the precision and geometric tolerance of power and tool, 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 layout design On improve requirement to geometric tolerance, such as to motor and the requirement for blowing impeller assembly concentricity and geometric tolerance, also increase Motor and impeller interference volume is blown, then is pressed with reinforcing frock clamp；Moreover precision die is prepared with numerical control CNC machining centers, And such as blow plastic impeller and post-process, main method is to use high-temperature vapour method, preferably steams enough three hours or more, therefore moulds Part size, which is unlikely to deform, loses shape；Secondly, to improve motor and blowing impeller concentricity, when assembly, using dedicated calibration motor with The tooling press for having laser to sight for blowing impeller assembly concentricity after pressing, and surveys dynamic balancing through bulk sampling and corrects just upper production Line, and last complete machine also sample and surveys dynamic balancing, therefore be aided with many places shock-absorbing and noise-eliminating material again, with regard to integrate constitute one kind have it is 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 The straight stick that cannot have 8 millimeters or more to meet new safety defined is visited from the direction of the close dust bag of the dust mouth of upper casing Measure the requirement of the fan inside blower and make security protection, the safety door (50) by shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge (50d) are formed, and are equipped with safety in the dust bag bracket (35) and are gated The face (50b) of stirring of item (49) processed, the safety door (50) is the face for having pressure angle equal logatithmic spiral everywhere, the safety Door control strip (49) is made of control strip sharp (49c), control strip curved surface (49a), control strip inclined wedge, the safety door (50) by The safety door control strip (49) opens and closes to control, when not installing dust bag bracket (35), the safety door (50) It keeps original state to make security protection to be closed, stirs face (50b) and open outside the dust mouth of the upper casing (2) of blower；Work as peace When loading onto dust bag bracket (35), control strip sharp (49c), the control strip curved surface of the safety door control strip (49) (49a), control strip inclined wedge push the face (50b) of stirring of the safety door (50) that the safety door (50) is made to turn on according to this, make master Another part passes through dust mouth peripheral portion to the part band sundries for the disorderly vortex of pressure-vaccum stream mixed by the middle part of dust mouth The safety door (50) turned on noise reduction honeycomb wedge (50d) and air-permeable layer (50c) and failure to there is Noise Reduction.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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；It is in multi-prism taper that the wedge, which is equipped with many protrusions,；Many wedge composition wedges are more Stupefied structure, the arrangement in face are honeycombs.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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, and the top of the hexagonal pyramid shaped wedge in each wedge (50d) is equipped with Micropore, approximate diameter are advisable at 0.1 to 0.5 millimeter；It is in multi-prism taper that the wedge, which is equipped with many protrusions,；Many wedge groups At the how stupefied structure of wedge, the arrangement in face is honeycomb.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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 that tool pressure angle is equal everywhere The face of the logatithmic spiral of characteristic.

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

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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 equipped with the through-hole that multiple diameters are less than 8mm.

Continuously improve the low vibration foliage pressure-vacuum of the perfect 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 be equipped with multiple major diameters less than 8mm ellipse 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 The straight stick that cannot have 8 millimeters or more to meet new safety defined is visited from the direction of the close dust bag of the dust mouth of upper casing Measure the requirement of the fan inside blower and make security protection, the safety door (50) by shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge (50d) are formed, and are equipped with safety in the dust bag bracket (35) and are gated The face (50b) of stirring of item (49) processed, the safety door (50) is the face for having pressure angle equal logatithmic spiral everywhere, the safety Door control strip (49) is made of control strip sharp (49c), control strip curved surface (49a), control strip inclined wedge, when safety door (50) are kept Original state makees security protection to be closed, and the disorderly vortex of main pressure-vaccum stream mixed passes through the safety door (50) turned on when operating Noise reduction honeycomb wedge (50d) and air-permeable layer (50c) and failure are to there is Noise Reduction.

Walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf machine, it is characterised in that：It is containing tool Stator connects fan blade rotation and air duct that brushless motor that rotor does not turn is used as power, the air duct, by preceding air duct 51, preceding spreader First 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, the rear air duct 58 of tool spreader 58a, air duct guard ring 59,60 institute of noise reduction hole after 53a, motor The rear air duct 58 and air duct guard ring 59 of composition, the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a are successively Connect；The preceding air duct 51 is equipped with horn mouth 51a, and function of the outer profile curve of the horn mouth 51a containing higher mathematics is bent The second-degree parabola of line, to subtract turbulent flow；And the preceding air duct 51 be equipped with it is multiple tool rectangular through holes preceding bayonet 51h, so as to Multiple triangle overhead kick screens 56h that the middle air duct 56 is equipped with are matched；Shunting conehead 52 is mounted in described before described The front end of armature spindle 53 is simultaneously firm with axis cushion card, and the motor fore bearing is installed in the front end of the inner rotor shaft 53 The inner ring of 53a shunts the frustum of a cone 52a that conehead 52 is equipped with protrusion, the apical ring of the frustum of a cone and the motor front axle before described The inner ring for holding 53a is connected；Bearing 53b after the motor is installed in the rear end of the inner rotor shaft 53, after the motor The inner ring of bearing 53b is connected with the rear end of the interior wound rotor axis 53；The outer shroud of bearing 53b and institute after the motor Rear bearing flange seat 57 is stated to be connected, it is described after bearing flange seat 57 be equipped with multiple threaded hole 57a, so as to the middle air duct The 56 multiple threaded block 56f along air duct central axes uniformly around arrangement being equipped with are connected, and the middle air duct 56 is equipped with more A radial direction width 56c connects described along the uniformly distributed multiple threaded block 56f around arrangement in air duct central axes, the institute of the middle air duct 56 The multiple radial width 56c being equipped with are also corresponding with multiple radial direction width slot 58b that the rear air duct 58 of the tool spreader 58a is equipped with Cooperation；The silicon steel sheet group of the bearing flange seat 57 and interior winding 53c is fixedly mounted with after described；The excircle of shunting conehead 52 before described It is fixedly mounted with the motor stator shell 55, ring week multi-disc permanent magnetic strip group is fixedly mounted in the motor stator shell 55, the motor is fixed The periphery of subshell 55 be fixedly mounted with it is described blow paddle wheel fan 54 blow paddle wheel fan inner lane 54c, the radial direction for blowing paddle wheel fan 54 Center be projected in after the motor fore bearing and the motor between bearing or the radial center for blowing paddle wheel fan 54 It is projected between bearing and close to bearing after the motor after the motor fore bearing and the motor, its essence is the mechanics of materials Change 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 paddle wheel fan 54 Radial center projection with the centre of sphere of bearing after the motor at a distance from for the arm of force the problem of；The diameter for blowing paddle wheel fan 54 To the centre of sphere projected at a distance between the centre of sphere of bearing after the motor with motor front and back bearings in motor axis at center The distance between the ratio between be not more than one to four；The arm of force is short, and outlet air is made to increase, the reality for blowing leaf machine of the brushless motor With more than 30,000 turns of turn up；58 institute of rear air duct of the line outlet groove 56XC of the middle air duct 56 being equipped with and the tool spreader 58a The winding displacement groove 58XC phases being equipped with match to discharge three electric wires of the interior winding 53c；The middle air duct 56 is equipped with Along be equipped in the outer shroud week of the uniformly distributed multiple threaded block 56f around arrangement in air duct central axes slot 56d with the tool spreader The spreader 58a connections that the rear air duct 58 of 58a is equipped with；The rear air duct 58 of the tool spreader 58a is equipped with multiple tool rectangles The rear bayonet 589h of through-hole it matches with multiple triangle overhead kick screens 59h that the air duct guard ring 59 is equipped with；The drop Hole 60 of making an uproar is made of the polygonal pyramid not of uniform size with through-hole of many facings containing sound-absorbing material, and many places diffuse distribution In the interior table of the rear air duct 58 and air duct guard ring 59 of the preceding air duct 51 and apoplexy letter 56 and the tool spreader 58a Face, also many places diffuse the surfaces externally and internally for being distributed in the spreader 58a, with profit absorb sound and sound insulation；Or the air duct is reequiped It is uniformly distributed around the multiple spiral shells arranged along air duct central axes in being equipped with for the middle air duct 56 to add simplified silencer Slot 56d is equipped with the outer shroud weeks of line seat 56f with the spreader 58a that the rear air duct 58 with the tool spreader 58a is equipped with to connect The position connect every living, and set on the tool spreader 58a multiple hush tube small through hole and with the noise reduction hole 60 that is equipped with It is diffused by the thickly dotted polygonal pyramid collective effect not of uniform size and many places of many facings containing sound-absorbing material and is distributed in institute State the surfaces externally and internally of spreader 58a, first big cavity of the air-flow through the preceding air duct and after blowing paddle wheel fan, because preceding air duct is gone to Multiple hush tube small through hole of the outer surface of the spreader 58a are just squeezed into the position of the connection of middle air duct and rear air duct every firmly And the second largest cavity carried out first compression and enter the inner surface of the spreader 58a carries out primary expansion, by once pressing The gas expanded that contracts flows backward again in the second largest cavity for the inner surface for entering the spreader 58a, described until having crossed Because preceding air duct goes to the position of the connection of middle air duct and rear air duct behind the position lived, the later half of the spreader 58a is just squeezed into Multiple hush tube small through hole of the inner surface in portion and carry out second-compressed and enter the outer surface of the spreader 58a and described The third-largest cavity of the spreader and the shell of rear air duct of the rear air duct 58 of tool spreader 58a carries out reexpansion again, then It is blown out from multiple flat outlets of the air duct guard ring 59, completes the noise elimination process of multiple compression-expansion, be conducive to sound absorption and disappear Sound and noise abatement.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized 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 the centre of sphere of motor front and back bearings subtract the arm of force with profit no more than one to six and subtract amount of deflection And it is steady.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that the noise reduction member 60 is close and numerous by many a sound-absorbing material facings containing straw and leaf pressboard Polygonal pyramid not of uniform size form so as to noise reduction.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that the noise reduction member 60 by many compressed tablets containing leaf sound-absorbing material facing thickly dotted size The hexagonal pyramid to differ forms so as to noise reduction.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that the noise reduction hole 60 by many sound-absorbing material facings suppressed containing leaf thickly dotted size not One hexagonal pyramid shaped wedge forms so as to noise reduction.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that many places of the sound-absorbing material facing of many compactings containing leaf of the noise reduction sky 60, which diffuse, is distributed in institute The hexagonal pyramid for stating the surfaces externally and internally of spreader 58a be have through-hole so as to noise reduction sound-deadening.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that the noise reduction hole 60 is diffused by many places of the sound-absorbing material facing of many compactings containing leaf is distributed in institute State being made of so as to noise reduction sound-deadening the hexagonal pyramid shaped wedge of through-hole for the hexagonal pyramid of the surfaces externally and internally of spreader 58a.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized 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.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that many places of the sound-absorbing material facing of many compactings containing leaf in the noise reduction hole 60, which diffuse, is distributed in institute That states the hexagonal pyramid of the surfaces externally and internally of spreader 58a has the hexagonal pyramid shaped wedge of through-hole to be tool middle part to have a larger cavity and interior Outer surface has compared with small through hole, so as to noise reduction sound-deadening.

That continuously improves that the perfect walking tool permanent magnet motor stator connects fan blade rotation and air duct silencer blows leaf Machine, which is characterized in that the flat outlet of the air duct guard ring 59 having is jujube core shape pointed at both ends, so as to noise reduction sound-deadening.

The walking tool permanent magnet motor stator of regeneration product noise reduction connects fan blade rotation and air duct silencer blows leaf machine in fact Matter be the mechanics of materials change cantilever fine strain of millet structure be single beam structure the problem of and air duct change silencer well；But people is just intended to not It arrives.Rotor portion to be stretched out a very long thin motor output shaft to get rid of, not in the length of the axial outside of motor Motor is realized on extension line and blows the connection of paddle wheel fan, avoids fatal hard nut to crack, motor and is blown between paddle wheel fan Output shaft or else can form the long cantilever fine strain of millet structure of a mechanics of materials, the position section between the bearing at motor both ends is directly set Paddle wheel fan center is blown, the length to remove the stretching of output shaft is that the arm of force is with the radial centrifugation component blown on paddle wheel fan Inclined power and the prodigious harmful inclined torque formed, not consuming a large amount of motor excessively contributes, and does not increase amount of deflection and the rotation of axis Inertia, to no longer restrict blower or blow the high speed strength outlet air of leaf machine；Solves world-famous puzzle.Inventive concept method is uncommon It casts a brick to attract jade.The second-degree parabola of function curve of the outer profile curve containing higher mathematics of the horn mouth 51a of air duct, to subtract Turbulent flow；Motor front adds simply supported beam bearing block 53d, and effect is self-evident.Walking tool permanent magnet motor stator connects fan blade and turns Dynamic and air duct silencer the leaf machine that blows sets traveling wheel and handrail and collecting bag, just with operation.

Usefulness is to better adapt to frequency of noise elimination characteristic, and tool lithium battery drive motor ring Zhou Binglie filters muffling air duct Blow leaf machine, which is characterized in that the motor and preceding shunting conehead 52 and spreader 58a ring week and it is described after air duct 58 it Between side by side the filtering muffling air duct 61 of air duct longitudinal direction at least one and after described；The spreader 58a ring week and Cross section after described between air duct 58 is equipped with noise elimination partition board 62 to install the filtering muffling air duct of the rear air duct longitudinal direction 61, the filtering muffling air duct 61 is equipped with multiple noise reduction holes 60.Or, in the motor and preceding shunting conehead 52 and spreader The ring week of 58a and it is described after between air duct 58 side by side at least two and after described air duct longitudinal direction filtering muffling air duct 61 There is noise reduction effect.Or, between the motor and the ring week and the rear air duct 58 of preceding shunting conehead 52 and spreader 58a side by side It at least three and the filtering muffling air duct 61 along the rear air duct longitudinal direction has noise reduction effect and material-saving.Or, in the motor Ring week of preceding shunting conehead 52 and spreader 58a and it is described after between air duct 58 side by side at least eight and after described The filtering muffling air duct 61 of air duct longitudinal direction is suitable for product, has noise reduction effect to arrive, air quantity is larger；Disadvantage takes material.Pipe multitube is few just In the several class of product point.The ring week and the rear air duct in the motor and preceding shunting conehead 52 and spreader 58a Between 58 side by side and its is different in size for the filtering muffling air duct 61 of air duct longitudinal direction after described, pipe range is critically important, to lead to Experiment adaptation sound pipe equivalent length is crossed in the hope of noise elimination effect.It is described in the motor and preceding shunting conehead 52 and spreader 58a Ring week and it is described after between air duct 58 side by side and the filtering muffling air duct 61 of air duct longitudinal direction which is provided with after described The hole size in multiple noise reduction holes 60 differ significantly, through-hole varies, and expands the adaptability of the breadth of frequency of noise elimination.Institute State the motor and preceding shunting conehead 52 and spreader 58a ring week and it is described after between air duct 58 side by side and along The hole size in multiple noise reduction holes 60 that the filtering muffling air duct 61 of air duct longitudinal direction which is provided with after described is alternate, is conducive to noise elimination Impedance.It is described in the motor and the ring week of preceding shunting conehead 52 and spreader 58a and it is described after between air duct 58 side by side And the filtering muffling air duct 61 of air duct longitudinal direction which is provided with after described multiple noise reduction holes 60 through-hole density interphase, have It is covered with beneficial to frequency.Described ring week in the motor and preceding shunting conehead 52 and spreader 58a and it is described after air duct 58 it Between side by side and the through-hole in the filtering muffling air duct 61 of air duct longitudinal direction which is provided with after described multiple noise reduction holes 60 have Dredge have it is close be beneficial to assign pipe in it is distinguished and admirable.The ring week and institute in the motor and preceding shunting conehead 52 and spreader 58a State between rear air duct 58 side by side and multiple noise reductions after described in the middle part of longitudinal filtering muffling air duct 61 its pipe of air duct The through-hole in hole 60 is smaller and sparse, is beneficial to distinguished and admirable in pipe and reduces premature ejaculation to continuation flow forward when middle part.Air-flow enters filtering The small through hole in multiple noise reduction holes of the outer surface of muffling air duct 61 and carry out first compression and enter back into the filtering muffling air duct The second largest cavity of inner surface carries out primary expansion, and the gas by first compression expansion is entering the filtering muffling air duct The second largest cavity of inner surface flows backward again, until having spent the ring week in the spreader 58a and the rear air duct Cross section between 58 is equipped with the position of the connection of noise elimination partition board 62 behind the position lived, and just squeezes into the filtering noise elimination wind The through-hole in multiple noise reduction holes 60 of the latter half of inner surface of pipe and carry out second-compressed, subsequently enter the filtering noise elimination wind The latter half of the third-largest cavity between the shell of the rear air duct of pipe carries out reexpansion again, then is blown out from outlet, completes The noise elimination process of multiple compression-expansion is conducive to sound absorption and eliminates the noise and noise abatement.Resultant effect is notable；It contributes big, low noise is blown Wind is more, lighter, and product is made to attain a yet higher goal, and its essence is tool lithium battery drive motor ring Zhou Binglie to filter blowing for muffling air duct The air duct and silencer of leaf machine be combined and with two be one, before no one expect making product, better adapted to frequency of noise elimination Characteristic, effect are self-evident.

The leaf machine usefulness of blowing of the tool lithium battery drive motor ring Zhou Binglie filtering muffling air duct of regeneration product noise reduction is Frequency of noise elimination characteristic is better adapted to, in the ring week and the rear air duct of the motor and preceding shunting conehead 52 and spreader 58a Between 58 side by side the filtering muffling air duct 61 of air duct longitudinal direction at least one and after described；In the ring of the spreader 58a Cross section after all and described between air duct 58 is equipped with noise elimination partition board 62 and eliminates the noise to install the filtering of the rear air duct longitudinal direction Air hose 61, the filtering muffling air duct 61 are equipped with multiple noise reduction holes 60.Effect is self-evident.

In order to better adapt to frequency of noise elimination characteristic, it is proposed tool lithium battery drive motor ring Zhou Binglie filtering muffling air ducts Blow leaf machine, and have for client select cost performance with assembled motor it is preceding sound absorption eliminate the noise and rear air duct multitube eliminate the noise blow leaf Machine.

Contain air duct with the leaf machine that blows that preceding air duct sound absorption is eliminated the noise and rear air duct multitube is eliminated the noise is combined, by preceding air duct 51, preceding shunting Conehead 52, interior winding 53c, blows paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing at inner rotor shaft 53 53a, it is located at simply supported beam bearing block motor front or that branch is on the inner rotor shaft 53 or on Zhi Qian shunting coneheads 52 Bearing 53b, rear bearing flange seat 57, the rear air duct 58 of tool spreader 58a, air duct guard ring 59,60 institute of noise reduction hole after 53d, motor The rear air duct 58 and air duct guard ring 59 of composition, the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a are successively Connect；By lithium battery drive motor, motor external stator connects fan blade rotation, the motor and preceding shunting conehead 52 and spreader 58a It is installed in rear air duct 58, after the central axes of the motor and preceding shunting conehead 52 and spreader 58a are installed in it The central axes of air duct 58 overlap；It is characterized in that, in the ring week and institute of the motor and preceding shunting conehead 52 and spreader 58a State between rear air duct 58 side by side the filtering muffling air duct 61 of air duct longitudinal direction at least one and after described；The filtering disappears Sound air hose 61 belongs to reactive muffler；It is equipped on cross section between the ring week and the rear air duct 58 of the spreader 58a To install the filtering muffling air duct 61 of the rear air duct longitudinal direction, the filtering muffling air duct 61 is equipped with multiple noise elimination partition board 62 Noise reduction hole 60；The affixed sound-absorbing material 63 of the cavity inner wall of air duct in the rear, in the affixed sound absorption material of the inside and outside wall of the preceding air duct Material 63 sets multiple sound absorption muffling air ducts in the affixed sound-absorbing material 63 of outer wall of the filtering muffling air duct in the preceding air duct 65；The sound absorption muffling air duct 65 belongs to dissipative muffler；It is inhaled in the affixed porosity of inside and outside wall of the sound absorption muffling air duct 65 Sound material；It is equipped with the overhead kick 64 of multiple wedges for having turn right angle in the inner wall of the preceding air duct；The side of affixed sound-absorbing material 63 Method is at the position of the affixed sound-absorbing material of inside and outside wall 63 of the preceding air duct, in the affixed sound absorption of outer wall of the filtering muffling air duct The position of material 63, at the position of the affixed porous sound-absorbing material of inside and outside wall of the sound absorption muffling air duct 65, first in production line Upper dipping glue, then go deep into the clast of sound-absorbing material；Fast forwarding through in the production line again has glue dipping in hot wind and glues The position movement of the clast of upper sound-absorbing material is baked.

The sound absorption of preceding air duct is eliminated the noise and leaf machine its bright spot of blowing of rear air duct multitube noise elimination is with combining, in motor and preceding shunting Between the ring of conehead 52 and spreader 58a week and rear air duct 58 side by side filtering muffling air duct 61 belong to reactive muffler；Preceding Multiple sound absorption muffling air ducts 65 are set in air duct belongs to dissipative muffler；In the cavity inner wall of rear air duct, the inside and outside wall of preceding air duct, filter The affixed porous sound-absorbing material of inside and outside wall of the affixed sound-absorbing material of outer wall of wave muffling air duct, the muffling air duct 65 that absorbs sound；In preceding wind The inner wall of cylinder is equipped with the overhead kick 64 of multiple wedges for having turn right angle；The method of affixed sound-absorbing material 63 is inside and outside preceding air duct Wall and the position for filtering the outer wall of muffling air duct and the affixed sound-absorbing material of inside and outside wall of sound absorption muffling air duct 65, first in production line Upper dipping glue, then go deep into the clast of sound-absorbing material；Fast forwarding through in the production line again has glue dipping in hot wind and glues The position movement of the clast of upper sound-absorbing material is baked.No one, which expects air duct and silencer to be combined into one, before makees product, Effect is self-evident.

Claims (10)

1. eliminating the noise with the preceding air duct sound absorption of combination and what rear air duct multitube was eliminated the noise blowing leaf machine, contain 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 (53a), be located at motor front or branch on the inner rotor shaft (53) or in Zhi Qian shuntings conehead (52) Simply supported beam bearing block (53d), after motor bearing (53b), rear bearing flange seat (57), tool spreader (58a) rear air duct (58), air duct guard ring (59), noise reduction hole (60) are formed, and the preceding air duct (51) and the middle air duct (56) and the tool shunt The rear air duct (58) and air duct guard ring (59) for boring (58a) connect successively；By lithium battery drive motor, motor external stator connects fan blade It is interior that rotation, the motor and preceding shunting conehead (52) and spreader (58a) are installed in rear air duct (58), the motor and preceding point The central axes of flow cone head (52) and spreader (58a) are overlapped with the central axes of its rear air duct (58) being installed in；Its feature exists In, the motor and preceding shunting conehead (52) and spreader (58a) ring week and it is described after between air duct (58) it is arranged side by side extremely Lack one and along the filtering muffling air duct (61) of the rear air duct longitudinal direction；The filtering muffling air duct (61) belongs to reactive muffling Device；The spreader (58a) ring week and it is described after be equipped on cross section between air duct (58) noise elimination partition board (62) so as to The filtering muffling air duct (61) of the rear air duct longitudinal direction is installed, the filtering muffling air duct (61) is equipped with multiple noise reduction holes (60)；The affixed sound-absorbing material of the cavity inner wall of air duct (63) in the rear, in the affixed sound-absorbing material of inside and outside wall of the preceding air duct (63), in the affixed sound-absorbing material of outer wall (63) of the filtering muffling air duct, multiple sound absorption noise elimination wind are set in the preceding air duct It manages (65)；The sound absorption muffling air duct (65) belongs to dissipative muffler；It is affixed in the inside and outside wall of the sound absorption muffling air duct (65) Porous sound-absorbing material；It is equipped with the overhead kick (64) of multiple wedges for having turn right angle in the inner wall of the preceding air duct；Affixed sound absorption The method of material (63) is at the position of the affixed sound-absorbing material of inside and outside wall (63) of the preceding air duct, in the filtering muffling air duct The affixed sound-absorbing material of outer wall (63) position, it is described sound absorption muffling air duct (65) the affixed porous sound-absorbing material of inside and outside wall Position, first dipping glue in the production line, then go deep into the clast of sound-absorbing material；It fast forwards through in hot wind in the production line again There are glue and the position movement for the clast for being stained with sound-absorbing material to be baked dipping.

2. band according to claim 1 combines, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine, feature It is, between the motor and preceding shunting conehead (52) and the ring week and the rear air duct (58) of spreader (58a) side by side At least two and after described air duct longitudinal direction filtering muffling air duct (61).

3. band according to claim 1 combines, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine, feature It is, between the motor and preceding shunting conehead (52) and the ring week and the rear air duct (58) of spreader (58a) side by side At least three and after described air duct longitudinal direction filtering muffling air duct (61).

4. band according to claim 1 combines, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine, feature It is, between the motor and preceding shunting conehead (52) and the ring week and the rear air duct (58) of spreader (58a) side by side At least eight and after described air duct longitudinal direction filtering muffling air duct (61).

5. band according to claim 1 combines, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine, feature Be, it is described in the motor ring week of preceding shunting conehead (52) and spreader (58a) and described afterwards between air duct (58) Side by side and its is different in size for the filtering muffling air duct (61) of air duct longitudinal direction after described.

6. band according to claim 1 combines, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine, feature Be, it is described in the motor ring week of preceding shunting conehead (52) and spreader (58a) and described afterwards between air duct (58) Side by side and the filtering muffling air duct (61) of air duct longitudinal direction which is provided with after described multiple noise reduction holes (60) through-hole It is not of uniform size.

7. band according to claim 1 combines, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine, feature Be, it is described in the motor ring week of preceding shunting conehead (52) and spreader (58a) and described afterwards between air duct (58) Side by side and the filtering muffling air duct (61) of air duct longitudinal direction which is provided with after described multiple noise reduction holes (60) through-hole Size is alternate.

8. band according to claim 1 combines, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine, feature Be, it is described in the motor ring week of preceding shunting conehead (52) and spreader (58a) and described afterwards between air duct (58) Side by side and the filtering muffling air duct (61) of air duct longitudinal direction which is provided with after described multiple noise reduction holes (60) through-hole Density interphase.

9. band according to claim 1 combines, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine, feature Be, it is described in the motor ring week of preceding shunting conehead (52) and spreader (58a) and described afterwards between air duct (58) Side by side and the filtering muffling air duct (61) of air duct longitudinal direction which is provided with after described multiple noise reduction holes (60) through-hole Have dredge have it is close.

10. band according to claim 1 combines, preceding air duct sound absorption is eliminated the noise and what rear air duct multitube was eliminated the noise blows leaf machine, feature Be, it is described in the motor ring week of preceding shunting conehead (52) and spreader (58a) and described afterwards between air duct (58) Side by side and multiple noise reduction holes (60) through-hole after described in the middle part of filtering muffling air duct (61) of air duct longitudinal direction its pipe It is smaller and sparse.