CN101737342A - Multifunctional electric fan improving structure - Google Patents

Abstract

The invention provides a multifunctional electric fan improving structure. In the structure, a protrusive cantilever of a support seat is screwed with a fan motor to be served as a pitching center; then two shaft-lever gear case groups or pitch gear case groups are fixed on the back of the motor and are matched with one of sway gear motor groups; and the pitch groups is used for pitching positioning diversion. Furthermore, the lower vertical shaft of the support seat is inserted into a discrete type head part serving as a sway center, and a crank shaft passes through a groove of an arc or telescopic guiding plate serving as the sway positioning diversion. A fan mesh fixing seat and a vertical neck sleeved slide plate of the discrete type head part are improved to cover a notch of a front segment of a base in running. Convex cups are arranged on two sides of a outer shield and a rear segment of the base, and a sway buffer seat and the like are arranged on the top of the head part to save space for transverse movement of the rear segment of a guiding plate when air blows swayingly; and wind like changes, such as fixed direction, swaying, pitching, waving and the like, can be achieved by matching other components of the electric fan.

Description

A kind of multifunctional electric fan improving structure

Technical field

This Multifunction electric fan structure improvement: just the drive mechanism of fan head is divided into two classes, and the guide plate group be set as the front end breach Chuan Gou of the long piece of arc or the flexible guide plate of composite-type or multiangle primary and secondary conduit set or other plant the double group type conduit set one of them, and in addition stem is set as upper cover part and one of neck bottom and the various slide plate of fit of decomposing type, give the multifunctional electric fan of guaranteeing safety in hiding outer shield base leading portion breach.

Background technique

The two shaft lever formula multifunctional electric fan of creation once such as creator, the seal type arc-shaped guide plate of adapted, because of front end Chuan Gou sealing, can't add in the opposite position of the vertical neck of stem, by the passage that extends the latent cipher telegram line between switch box under the motor, and the seal type arc-shaped guide plate of adapted is in service in yaw, its back segment can occupy the interior space of cover of outer shield back segment two sides, cause does not add the protrusion cup, gets to strengthen a cover seat leading portion simultaneously, makes whole appearance hypertrophy and ugliness.The front and back of outer shield base leading portion are to breach again, do not establish slide plate and and then run on the protection that this breach prevention of covering child points invasion, or produce backhaul and accelerate to cause time moving because of adding guide plate, do not establish yaw and relax seat and give shortcoming such as improvement and promptly give improvement fully respectively with this creation.

Summary of the invention

The objective of the invention is at the situation of prior art and a kind of multifunctional electric fan improving structure that provides.

This creation wind shape changes structure and is divided into two classes, and it is solid to be a blowing motor back of the body: (one) two shaft lever formula gear-box group.Or (two) one the assembly of axostylus axostyle formula pitch gear-box close the yaw gearmotor group.Wherein respective structure is as back:

(1) two shaft lever formula gear-box group: be to close the yaw gear in the solid gear-box of carrying on the back by stretching a Nie after the blowing motor, the horizontal bullet of the set cam of tongue and groove engaging yaw axostylus axostyle of right inner edge is stretched two pearls, continuous by closing the right side spur gear with axostylus axostyle stage casing spur gear Nie, make down stretch that the rotating shaft lower end screwed togather by cranking arm hold fulcrum in addition, penetrate in guide plate Chuan Gou and turn to as the location.Stretch a right side Nie behind the motor in addition and close the pitch clutch gear, coaxial hexagonal outer rim of stretching is down worn close the helical gear inner edge that is positioned hypomere, in addition horizontal to stretch the helical gear plate spiral shell that is fixed of cranking arm solid and helical gear apical tooth Nie closes, make overhanging bond post, solid by connecting rod one stomidium spiral shell, and connecting rod in addition stomidium be fixed at and stretch the stringer board block set behind the support seat and pin down as fan head group pitch location.

Another yaw gearmotor group is closed in (two) one pitch axostylus axostyle formula gear-box assembly: also solid by a blowing motor back of the body, with regard to the structure of pitch gear-box group and above-mentioned only pitch structure roughly the same, the yaw gear motor of other adapted, system's motor that is positioned to dry is behind laterally stretched horizontal panel seat behind the hypomere among the stringer board, stretch transmission shaft under it and promptly stretched in guide plate Chuan Gou down, turn to as the yaw location by the fulcrum of holding in addition of the fit of cranking arm.

The arc monoblock guide plate of this creation, be applicable to medium-and-large-sized electric fan, in addition be used in middle-size and small-size machine with the flexible guide plate of composite-type or multiangle or double group type conduit, and all screw togather by two limits with respect to the top cover portion rear extending ear of decomposing type stem with two sides of guide plate or the conduit ear lip that protracts, and stretch the diving board that protracts of ear with the guide plate or the conduit right side, the torsion spring of indent suppresses relatively, through two screw rods be the center force guide plate or conduit back segment upwarp bullet be against crank arm under, just can exempt with the slide plate back segment or with susceptor surface and rubbing.Because of multifunctional electric fan has pitch and the variation of wave wind shape, i.e. the swing of stem thereupon be established front and back to breach so must carve in the base leading portion, runs on covering by the slide plate that is coated at down neck with the front and back of indulging neck again.Specifically enforcement will be in describing in detail after a while to adopt four kinds of different structures or flexible guide plate etc. with regard to slide plate.

Description of drawings

The 1st figure: for the left-hand of the electric fan of the flexible guide plate of adapted is faced and outer shield, base sectional drawing.

The 2nd figure: be fan net fixed base front view.

The 3rd figure: be two shaft lever group gear-box and loam cake, clutch gear cross-section front view.

The 4th figure: for the dextrad of the fan head group collocation pitch gear-box of being furnished with arc-shaped guide plate, strut and tie and adapted bending upwards type slide plate is faced and the sectional drawing of outer shield, seat.

The 5th figure: for gear-box is that the right side is established the outer central authorities of pitch gear train and case and established the yaw gear motor and stretch the front view that transmission shaft screws togather the gear section that yaw cranks arm down dorsad.

The 6th figure: for the left-hand of outer shield base is faced and base left-hand plan view.

The 7th figure: be the left-hand decomposition elevation of separated type stem.

The 8th figure: be the decomposition elevation of overlooking of separated type stem.

The 9th figure: relax seat for being suitable for the yaw that cooperates the yaw gear motor to use, promptly on longitudinal axis epimere overcoat one torsion spring under the support seat, be stuck in level board prelocalization hole and lower end slightly, be sticked under the stem vertical hole slightly before, and top cover portion two sides are increased the support of the support seat horizontal bottom that presses down of coincideing relatively and stem before to front view.

The 10th figure: add the plan view that yaw relaxes seat for telescopic guide plate arrangement gives stem and a side.

The 11st figure: the side elevation that rectangular torsion spring is housed for telescopic guide plate.

The 12nd figure: be the sectional drawing of the flexible guide plate of composite-type.

The 13rd figure: for after the female guide plate central authorities of the flexible guide plate of composite-type to the plan view that is set as short slightly Chuan Gou.

The 14th figure: the arc-shaped guide plate plan view that adds the shell fragment that protracts for front end river ditch opening and a side.

The 15th figure: be the plan view of composite-type polygon conduit.

The 16th figure: be the side view of composite-type polygon conduit.

The 17th figure: for the yaw that is used for the polygon conduit is cranked arm and fulcrum skeleton frame exploded view.

The 18th figure: be the part tangent plane and the stereogram of cylinder type slide plate.

18A figure: for other plants the sub-guide rod front and back of double group type conduit to plan view.

18B figure: for back before female conduit of double group type conduit to plan view.

The 19th figure: be the part tangent plane and the stereogram of folding type slide plate.

19A figure: for back before the combination of double group type conduit set to side view.

19B figure: for back before the double group type conduit set to plan view.

The 20th figure: be bending upwards type slide plate side direction plan view.

The 21st figure: be the plan view of folding type slide plate side direction.

The 22nd figure: be bending upwards type slide plate side view.

The 23rd figure: the bending upwards type slide plate penetrates in the sectional drawing of fan net fixed base.

[primary clustering symbol description]

0: fan net group

010: pipe network external diameter cover 02: front mesh enclosure

03: flabellum locking cap 04: flabellum

05: fan net locking cap 06: rear net cover

07: fan net fixed base 070: the horizontal wide mouth of leading

0711: fan net positioning rod 0712: positioning hole

0714: perimeter lip 0715: button bit

0716: screwed pipe 0717 backboard

0718: isolating trenches 0719: increase the bank lip

0720: space 08: other plants fixed base

080: horizontal wide road junction 083: positioning rod or axis hole

085: front and back are to positioning rod 086: screw rod and hole

1: blowing groups of motors and two shaft lever gear-box group

10: blowing motor 101: capacitor

102: support seat lead arm positioning hole 103: pad cap

105: stretch a tooth 104 behind the motor: the gear-box positioning hole

12: yaw clutch gear 121: the tongue and groove seat

122: yaw axostylus axostyle 123: cam

1231: the two pearls 124 of spring: axostylus axostyle straight-tooth

125: spur gear 126: yaw is cranked arm

127: the fulcrum 128 of cranking arm: copper pipe

129: yaw strut and tie 1213: two shaft lever gear-box group

12131: two shaft lever group loam cake 12132: put the slow device that closes in length and breadth

13: pitch clutch gear 131: the tongue and groove seat

132: pitch axostylus axostyle 133: cam

1331: the two pearls 134 of spring: hexagonal outer rim

135: helical gear 136: helical gear is cranked arm

137: bond post 138: fixed plate

139: pitch strut and tie 14: the support seat

140: lead arm 141: support seat center screw

143: after stretch stringer board block set 144: horizontal panel seat

147: the following longitudinal axis (upright core) 145: other plants horizontal base

15: special screw (leading portion anodontia) 1471: hypomere bar edge groove

16: increase the weight of iron 17: balance spring

18: special screw (leading portion is established tooth)

2: the yaw gearmotor group:

2: yaw gear motor 20: the location earhole

21: stretch transmission shaft 22 down: yaw is cranked arm

220: the yaw fulcrum 24 of cranking arm: copper pipe

25: add grommet screw

3: gear motor positioning plate seat and pitch gear-box group:

30: horizontal stringer board seat 31: equilibrium bomb spring abutment

32: stretch axis hole 35 behind the central motor: upper and lower strut

Stomidium 352 in 351: one: stomidium in addition

36: 361: two sides of pitch gear-box or the 3rd positioning hole

362: yaw gear motor positioning plate 37: pitch clutch gear

Seat 372: pitch axostylus axostyle

363: stringer board 373: helical gear

371: tongue and groove seat 3741: bond post

3721: the two pearls 38 of cam spring: loam cake

374: helical gear cranks arm 381: pearl groove seat

375: fixed plate 382: positioning screw and hole

39: strut and tie

4: the decomposing type stem:

40: top cover portion 401: pitch relaxes seat

402: following longitudinal axis lower extending tube 403: radius rod

404: cable channel 405: positioning hole

406: indent 407: back two lips of picking up the ears

4070: horizontal perforation 408: middle ear lip spiral shell seat

4080: middle ear lip cross-drilled hole 41: other plants yaw and relaxes seat

410: relax a moving torsion spring 411: the upper end muscle

412: 413: two protruding lips of side of lower end muscle

42: neck bottom 420:: vertical neck

421: following longitudinal axis hole 422: following longitudinal axis located lateral hole

423: ring spring seat 424: positioning screw hole

425: transverse bar hole 426: cable channel

43: ring spring 44: the location pole socket

45: pitching arc sheet positioning hole 46: torsion spring

5: flexible guide plate:

50: female outer guide plate 501: the ear lip protracts

5010: horizontal perforation 5011: diving board protracts

502: inner edge breach 503: the inner edge breach

504:C font track 5041: front and back are to groove

505: spring terminal fixed base 51: the special screw rod of leading portion anodontia

52: rectangular torsion spring 53: sub-inner guide plate

530: anticreep screw 531: Chuan Gou

5310: rear end ditch 5311: the front end ditch

532: front end semicircle 533: the spring panoramatic head

534:T font track 54: plant flexible guide plate (composite-type in addition

55: after the flexible guide plate central authorities of sub-inner guide plate to establishing

550: the short groove of river ditch front end breach)

56: female outer guide plate 560: short slightly Chuan Gou

57: the multiangle formula conduit 570 that stretches: shell fragment protracts

571: the horizontal footpath bar 5710 of stretching: horizontal perforation

572: spring fixed seat 573: rectangular torsion spring

58: the telescopic female conduit 581 of multiangle: spring panoramatic head

59: arc-shaped guide plate 590: Chuan Gou

591: river ditch cut 592: the ear lip protracts

593: diving board protracts

6: the slide plate group:

61: cylinder type slide plate 610: volume heart steel plate or torsion spring

611: back segment is stretched plate 612: the hole, footpath

6120: seat lip 613: the horizontal axle of stretching

614: front and back are to river ditch 615: horizontal cut

62: folding type slide plate 620: axis hole or horizontal boom

621: folding plate 622: the hole, footpath

6220: the seat lip 6221: after stretch plate

6222: entry 623: front and back are to Chuan Gou

624: horizontal cut 63: the bending upwards type slide plate

630: hole 631, footpath: upper end transverse diameter bar

6330: seat lip 634: upwarp portion

635: press footpath (plate) sheet 6360: horizontal cut

637: the back segment front and back are to 64: two formula slide plates of river ditch

641: Chuan Gou is stretched in 6410: two rear flank of preceding slide plate

6411: back-end radius breach 6412: the groove lip

6413: horizontal river ditch 6414: front end is stretched plate

645: the back piece stretch plate 6451: on stretch the protruding lip of T word

6452: hole 6453, footpath: front and back are to Chuan Gou

6454: horizontal breach 6455: the seat lip

6456: front end is stretched plate

7: the outer shield group:

70: base 702:U font breach

703: the horizontal lip of stretching of river ditch 704:T font

705: button bit 706: positioning hole

7061: front end positioning screw hole 707: back segment two side convex cover cups

708: air hole 709: the segmentation groove

71: outer shield 710: end face two perforation

711: air hole 712: positioning screw hole

713: back segment two side convex cover cups 714: back positioning hole

8: pin, runners and switch box:

80: switch box 801: Wind speed switch

802: time switch 803: plug

804: electric wire 81: pin

811: cross bar hole 82: runners

83: positioning screw cap

9: the conduit group of cranking arm:

90: conduit cranks arm 901: the vertical penetration hole of fulcrum

91: Location resilient piece 92: the oblate skeleton frame in axle side

921: fulcrum 9211 on the frame: footpath emargination ditch

920: cross slat 93:U font frame

931: hollow

94: double group type primary and secondary conduit set

95: the sub-guide rod 950 of double group type: diving board protracts

9501: on establish spring positioning rod 951: leading portion ear lip

952: horizontal perforation 953: torsion spring colludes seat

96: the female conduit 961 of double group type: rectangular spring panoramatic head

962: female guide hole 963: Chuan Gou

97: rectangular spring 971: spring terminal annular distance

Embodiment

Favour can be to this novel being further described shown in Fig. 1 to 21 in conjunction with the embodiments to please refer to accompanying drawing: the multifunctional electric fan structure improvement, and comprising: a fan net group 0, comprise a fan net fixed base 07,08.One blowing motor.10, a two shaft lever gear-box group 1213 or a pitch gear-box group 36 cooperate a yaw gearmotor group 2 one of them, a flexible guide plate 5 of a decomposing type stem 4, an arc-shaped guide plate 59 or a composite-type or a polygon conduit set 57,58, and 91 to 93 or double group type conduit set 94, one of them, a slide plate 6, comprise a cylinder type slide plate 61, a folding type slide plate 62,63,1 formula slide plates 64 of a bending upwards type slide plate, one of them, assemblies such as outer shield 71, a base 70, a pin pipe 81 and runners 82, a switch box 80 constitute.Its middle fan net group 0 is habitual electric fan accessory as front mesh enclosure 02, flabellum locking cap 03, flabellum 04, the part assembly of fanning net locking cap 05, rear net cover 06, blowing groups of motors, pin pipe 81, runners 82, switch box 80 etc., does not belong to the patent claimed range again and therefore will not describe in detail.

The back side profile of fan net fixed base 07,08 is to cooperate to hold moulding before outer shield 71 and the base 70 and decide, shown in the 1st, 2,4,6 figure: can be divided into two classes: (one) fan net fixed base 07 hypomere has horizontal road junction 070, and prolong isolating trenches 0718 on this road junction 070 backboard, 0,717 two side, and in two ditch outer rims add vertically protract bank 0719 or change with seat before outer rim add perimeter lip 0714 and give alternative, make epimere space, road junction 0720 usefulness, if can add the presser blade 635 of located lateral because of the moulding change in rear net cover central locating hole as 63 up-downgoings of bending upwards type slide plate.(2) fan net fixed base 08, be suitable in addition three kinds of slide plates 61,62,64 shown in Fig. 2,6,18 to 21: the horizontal road junction of its hypomere 080 2 sides add positioning rod or axis hole 083 or vertical face screw rod and hole, are made for piece slide plate 64 location before cylinder type 61 or folding ductwork type 62 or two formulas.

Shown in Fig. 1,4,6: blowing motor 10 is the center by support seat 14 2 side lead arms 140 spiral shell seats, be coated at screw seat 141 relatively in the spring coil of the balance spring 17 of bottom and screwed togather as the pitch center to collude under the front end muscle by the special screw 15 of leading portion anodontia, and it extends blowing motor back cover after oppositely and bend into after a while, make under the tail end central authorities bullet in back cover top or the spring groove seat 31 of stringer board seat upper end, as with lead arm screw 141 be the center just backwards underweight balance also balance spring can be abolished, so use instead and increase the weight of iron 16 and substitute.Yaw relaxes seat 401,41 as Fig. 1, shown in 7 to 9: the difference of looking the machine structure, can be divided into two classes: first kind system is used in the machine of blowing motor and the forward starting of back of the body permanent tooth roller box group: be about to yaw and relax seat 401 and be located at stem 4 top cover portion, 40 end faces one or two sides, with the longitudinal axis 147 under the support seat 14 is center of radius, and accelerating with the yaw backhaul is starting point, low then high sloped top face before being moulded, and this seat can be set as plug-connected type or with the top cover portion 40 disjunctor moulding of stem, its gradient matches with the gradient of the bottom surface opposite position of support seat 14, add the friction of set down weight generations of a fan net group 0, give and improve pausing that the yaw backhaul accelerates to produce and may I ask topic.Second class system is used in blowing motor 10, the machine of solid pitch gear-box group of the back of the body and yaw gearmotor group 2, starting because of yaw gear motor 2, have forward and reverse Different Rule starting, if with above-mentioned forward is that starting point is set as the low and high gradient, run into the back-to-back starting of gear motor, not only can not relax the moving and deterioration more that the yaw backhaul is accelerated.Therefore must be shown in the 9th figure: the top cover portion 40 of stem is set as the protruding lip 413 of two side end faces, with the identical protruding lip 413 of two sides of support seat 14 horizontal bottom, and the longitudinal axis 147 epimere overcoats relax and time employ torsion spring 41,410 under support seat, make upper end muscle 411 by being sticked in level board 145 front-side holes seats down up, end muscle 412 plugs together in the preceding slightly hole of seat, 40 times vertical holes of top cover portion seat and locatees in addition, make the dual usefulness of rub between protruding lip pressure and spring torsion, give and improve a forward and reverse yaw backhaul quickening generation moving problem, and this structure also can be used in two shaft lever group machine.The following longitudinal axis is as the yaw center in addition, and other fans net group.Can locate in regular turn etc. habitual assembly.

This creation can be divided into two kinds with regard to the structure that the wind shape changes: one of them (one) two shaft lever group gear-box group 1213.(2) one pitch gear-box groups 3 cooperate yaw gearmotor group 2.

(1) two shaft lever gear-box group 1213, as shown in Figure 3: be that spiral shell is fixed in blowing motor 10 behind, axle tooth 105 left-hands of stretching after the central authorities in its case mesh the two pearls 1231 of spring of wearing relative cam 123 outer bullets in a yaw clutch gear 12 its gear inner edge tongue and groove seat 121 engagings, and close right side spur gear 125 by hypomere straight-tooth axle 124 Nie, make down and stretch rotating shaft and cranked arm the fulcrum 127 of 126 fits through guide plate 5 by yaw, 59 river ditches 531,590 or polygon casing group 57, in the oblate frame 92 in 58 side, or other plants the river ditch 963 of double group type conduit set 94, turn to as the yaw location, stretch the right side Nie behind the right motor and close pitch clutch gear 13, the cam 133 of the pitch axostylus axostyle of wearing in making is engaging tongue and groove seat 131 relatively, make the two engaging form the pitch axostylus axostyle 132 file among hypomere hexagonal outer rim 134 wear the helical gear 135 that closes in the location, it is continuous that to mesh horizontal helical gear 136 plate 138 spiral shells that are fixed of cranking arm by the top solid, and the in addition stomidium 352 that overhanging bond post 137 is screwed togather by upper and lower strut 35 1 stomidiums 351 is screwed together in and stretches stringer board block set 143 behind the support seat 14 and pin down to crank arm fulcrum 127, and rotating diameter is as the amplitude of pitching swing.

(2) one pitch gear-box groups 3 are as shown in Figure 5: be by a pitch gear-box 36, the gear train of its pitch functional structure and above-mentioned (one) something in common will not repeat.The yaw gearmotor group 2 that other cooperates, system be positioned hypomere in the horizontal stringer board of the above-mentioned pitch gear-box left side after stretch horizontal panel seat 362, it stretches cranked arm hold the in addition fulcrum 220 and the copper pipe 24 of 22 fits of transmission shaft 21 down is to locate as yaw through guide plate 59 or flexible guide plate 5 river ditches 531,590 or double group type conduit 94 river ditches 963 to turn to.

The wind shape that concerns that whether files of said gear case group 1,36 changes, and is to do by taking out or press down on the strut and tie 39,129,139 of each axostylus axostyle upper end fit.

Decomposing type stem 4 is shown in 7,8 figure: be made up of top cover portion 40 and following neck 42.And but decomposing type stem 4 is in the slide plate 6 that neck 420 overcoats promptly needn't otch of indulging that decomposes back.When the hole, footpath 612,622,630,6452 of various slide plate 6 one of them, after being inserted in by vertical neck 420 tops, again with neck bottom 42 and top cover portion 40 combinations, and top cover portion 40 can be set longitudinal axis lower extending tube 402, also defeasible changing by the 147 direct stems of inserting of the longitudinal axis under the support seat descends longitudinal axis hole 421 relatively, vertical item is established cable channel 404,426 after a while, and the preceding slightly again positioning rod of stretching down 403 penetrates down the longitudinal axis hole 421 and the location pole socket 44 of neck 420 respectively, is screwed together in neck bottom 42 by top cover portion 40 2 sides again.Back segment is offered horizontal cross bar hole 425 in addition, with screw rod it pivot is closed in the relative breach cross bar hole 811 of switch box 80 or pin pipe upper end, being inserted in a ring spring 43 around the right stem transverse bar hole 425 makes the upper end be sticked in spring seat 423, in addition end is sticked in the case bent angle bar plate that mouthful kerve positioning hole or stem 4 sides add that acts during a vacancy and colludes the location, can fan net head group 0.Bullet is held up, and cooperates to be located at the bottom of the gap slot hoodle of the spring pearl seat of side in addition, and butted stem bottom pitching arc sheet positioning hole 45 or stem side add one of some holes of angle bar plate, make the dual location usefulness of two elastic force, force the fan head to organize to such an extent that locate in pitching.

The composite-type guide plate group 5,50,53 of stretching, shown in Figure 10 to 13: flexible guide plate group 5 is formed by female outer guide plate fit in the son.Female outer guide plate 50 front ends two sides are set as protract ear lip 501 and horizontal perforation 5010, wear relatively and close in back two of decomposing type stem 4 pick up the ears lip 407 and middle ear lip spiral shell seat 408, again by the special screw 51 of leading portion anodontia distinctly by two to the location.In addition establish the diving board 5011 that protracts by stem bullet under the torsion spring of this opposite position, force guide plate 5 back segments to upwarp bullet and be against yaw and crank arm under 126,22 in a side.Female outer guide plate 50 leaves inner edge breach 502 backwards from front to back, and become the congenerous track of C word track 504 or other moulding to replace two side inner bank sculptures, and outer guide plate 50 the first two side of mother Yu between the posterior segment each carve establish before and after to river ditch 5041, cooperate sub-inner guide plate to prevent that with anticreep screw 530 location sub-inner guide plate from deviating from by two side leading portions.In addition female outer guide plate 50 anterior bottom surfaces two sides are established spring terminal fixed base 505, and solid rectangular torsion spring 52 2 ends of spiral shell make its stage casing can bring into play Telescopic around the spring panoramatic head 533 of sub-inner guide plate rear end respectively.Change in the wind shape and then move if meet the yaw fulcrum 127,23 of cranking arm, the river ditch 531 rear end ditches 5310 that also can support sub-inner guide plate move after and then, otherwise sub-inner guide plate 53 can and then be moved forward by the contraction of rectangular spring 52 during fulcrum 23 reaches.

Above-mentioned flexible guide plate 5, can be divided into two kinds of different structures again, wherein a kind of extremely shown in Figure 12 as Figure 10, be that sub-inner guide plate 53 front end semicircles 532 move forward in shrinking, female outer guide plate 50 inner edge breach 503 that can coincide are so cranked arm fulcrum 127,220 when river ditch front end turns to, because of the cooperation of not had the guide plate Chuan Gou of seam turns to, can alleviate fan and pause, but after guide plate makes up outside must be in son female, the yaw of just packing into the fulcrum 127,220 of cranking arm gives river ditch 531.Another kind of flexible guide plate 54, as shown in figure 13, the river ditch 550 of sub-inner guide plate 55 front ends is set as straight-through breach, empty central authorities locate also to establish a short type river ditch 560 backwards in continuous female outer guide plate 56, but fit gives sub-inner guide plate river ditch front end breach 550, only occupy ditch 560 positions, the short type river of female guide plate when making 127,220 of the fulcrums of cranking arm give the front end revolution, fulcrum 127,220 the pausing when this seam crossing revolution that can avoid cranking arm moves, and after can adorning appropriate screw by the fulcrum 127,220 of cranking arm, earlier fulcrum is packed in female outer guide plate 56, sub-inner guide plate 55 and rectangular spring 52 are installed again.As for the T font track 534 that the sub-inner guide plate 53 of outer guide plate 50 of above-mentioned mother or the 56 C font tracks 504 that adopt adopts, also can change its structure mutually also has identical function.

Consult Figure 15 to Figure 17, telescopic polygon primary and secondary conduit 57,58 its swing locating functions are identical with guide plate 5, primary and secondary guide plate 57,58 are set as ellipse or polygon outer rim, its neutron guide tube 57 front end forward directions are set as the horizontal footpath bar 571 of stretching, the centre is moulded groove and is made for the electric wire path, bar 571 front ends two lip of picking up the ears in footpath is offered horizontal perforation 5710 again, relatively and stem rear extending ear lip also with special screw combinations, footpath bar 571 is right front to be added and stretches a diving board 570 and penetrate under the stem longitudinal spring groove seat 41, two sides are respectively established a spring fixed seat 572 under the bar 571 of footpath, and the section of stretching is managed 58 and is become track by overcoat by female behind the son pipe 57, and female pipe 58 rearward end add a rectangular torsion spring panoramatic head 581, because guide plate 5 and conduit 57,58 structure inequality, so adopt primary and secondary conduit 57,58 o'clock, yaw must be cranked arm 126,22 original structure makes conduit into cranks arm 90 and the oblate skeleton frame 92 of fulcrum, 93 is to crank arm 126 by former with regard to fulcrum on the frame 921,22 fulcrum is abolished, make vertical penetration hole 901 into, again by fulcrum 921 on the frame that inserts up down, the overhanging axostylus axostyle that gives the end face of cranking arm is set as footpath emargination ditch 9211, relocating shell fragment 91 laterally engages, position, right fulcrum bottom is given the bottom surface of cranking arm and is established a fulcrum cross slat 920, two sides are to the oblate skeleton frame 92 in bottom type one-tenth side, 93 make its hollow 931 can penetrate primary and secondary conduit 57,58 operation turns to as the location, and conduit is cranked arm and 90 is driven oblate skeleton frame 92,93 do front and back when operation, the influence that stretched by rectangular spring 573 can make female pipe 58 and then telescopic movings.

Arc-shaped guide plate 59, as shown in figure 14: the river ditch 590 of original bill creation is set as the front end sealing, because of this place or the vertical neck 420 of the stem relatively need be set as by the come in and go out top cover portion passage 404 of electric wire of motor and therefore guide plate river ditch front end-plate block delete must be become river ditch cut 591 with neck bottom cable channel 426, make this place increase the space except that being made for cable channel 404,426, move forward to this place's rotation requisite space for yaw fulcrum 172,220 again.Guide plate 59 auris dextra lips also must add the diving board 593 that protracts, cooperation is added the following bullet of indent 410 by stem 4 just relative end faces, with special screw rod 51 is that the center forces the guide plate back segment to upwarp, thus because of this arc-shaped guide plate 59 be that cover seat that made of one piece is suitable for large-scale electric fan has back segment two sides and protrudes the cup moulding.

Other plants double group type primary and secondary conduit set 94 shown in Figure 18 A, 18B and Figure 19 A, 19B: its function and above-mentioned flexible guide plate 5 are roughly the same, this structure is two back booms of sub-inner guide 95, wear and close in female outer duct 96 pores 962, so the spring hook end 971 by sub-inner guide 95 outsides is placed through one of this rectangular torsion spring 97 end ring hole 971, after prolong the panoramatic head 961 of female rear end of conduit, another spring hook seat 953 retaining springs 97 of wraparound leading portion end ring hole 971 in addition again.These sub-inner guide 95 front ends respectively are set as ear lip 951 and carve and establish horizontal perforation 952, wear relatively to close and stretch the outside two ear lips 407 and middle ear lip spiral shell seat 408 after decomposing type stem 4, do not have the different screw 51 of the thing of establishing tooth with leading portion and are screwed into the location from outside to inside.Establish simultaneously and establish vertical torsion spring and the indent 406 that spring positioning rod 9501 is located at opposite position by stem on the diving board 950 that protracts and suppress in auris dextra lip 951, and with this special screw 51 is that the center forces the conduit back segment to upwarp bullet to be against yaw and to crank arm under 126,22, and the fulcrum of will cranking arm penetrates conduit river ditch 963, is positioned fulcrum by beneath to add grommet screw again.When moving behind the fulcrum of cranking arm, can be by Chuan Gou with female conduit pusher, otherwise the female conduit during the fulcrum reach is subjected to the contraction elasticity reach and the ability that elasticity swings up and down of rectangular torsion spring 97, dissolves torsion conflict in length and breadth, reaches the wind shape and changes function

Slide plate 6 is shown in Fig. 1,20 to 23: can be divided into four class formations: (one) cylinder type 61 wherein.(2) folding type 62.(3) bending upwards type 63.(4) two formulas 64.Can choose one of them adapted wantonly.

(1) the cylinder type slide plate 61, as shown in figure 20: its two side is established horizontal outer boom 613 and is worn horizontal breach two sides of closing in fan net fixed base 08, reel 61 centers are set as volume heart steel plate or torsion spring 610, stretch thin plate 611 after the engaging, and the hole, footpath 612 and hole, the sheathed footpath seat 6120 that can be coated at the vertical neck 420 of stem offered in the stage casing, when so doing front and back or oblique gesture swing, promptly follow the front and back sliding process, can effectively hide the function of base leading portion breach 702 with neck.(2) the folding type slide plate 62, as shown in figure 21: front end is vertical and establish some positioning holes 6200 or two sides are set as horizontal boom or axis hole 620, be positioned to fan the vertical face of horizontal breach 083 2 sides of section or top under the net fixed base 08, and leading portion folding plate (or rhombus pipe network) 621 is stretched plate 6221 after continuous and is established a hole 622, footpath and establish peritreme seat lip 6220, if after stretch plate 6221 and be used in non-decomposing type stem, for easily being coated at vertical neck 420, the footpath peritreme must be opened a kerf 6222, but be used in decomposing type stem 4 and just can exempt this entry, when moving behind the vertical neck 420 of stem, can shrink by folding, make leading portion effectively save the space, segment structure is identical with last following slide plate thereafter.(3) the bending upwards type slide plate 63, show as Figure 22: upwarp 634 before being set as from the stage casing, front end is established a horizontal footpath bar 631, two sides of the horizontal breach 070 2 sides isolating trenches 0718 up of cooperation fan net fixed base 07 are increased bank lip 0719 or are changed with perimeter lip 0714 replacement, make the operation up and down of slide plate 63 have the space, the waist is opened hole 630, a footpath and is also established block set 6330, can be coated at the vertical neck 42 of stem.Establish front and back to river ditch 637 after continuous, penetrate the horizontal lip 704 of stretching of the T word of on base 70, stretching by rear end horizontal cut 6360, swing process with wave, make these slide plate 63 leading portions run on vertical compartment of fan net fixed base 07 and rear net cover, section among when sliding before and after making, the front and back that can thoroughly hide base 70 leading portions are to breach 702, also above-mentioned slide plate 63 back segment river ditches 637 can be changed into down and stretch T word lip, the front and back that cooperate base to change to establish are to pining down that river ditch 703 wears, also can prevent the problem that the limited slip plate back segment upwarps, this structure is suitable for using instead of each slide plate.(4) two formula slide plates 64.As shown in figure 23: be that piece connects shape before and after being combined into, end adds grade lip 6412 before the wherein preceding piece slide plate 641, right two rear flank Duan Keshe front and back are to river ditch 6410, penetrate by the vertical horizontal breach 080 of face before the fan net fixed base by preceding slide plate 641 rear ends again, be made for front and back to moving, hold before the river ditch 6410 of piece slide plate 641 before right and strengthen horizontal cut 6413 a little, stretch protruding lip 6451 on the T word by back other side of piece slide plate 645 front ends again and give the preceding relative river of the piece slide plate ditch 6410 of packing into earlier, make relatively in addition and to stretch lip 6451 on the side T word and penetrate connection by horizontal relatively breach 6413, when when the hole, footpath 6452 of back piece slide plate 645 moves back and forth process with stem 4 vertical necks 420 before, moving, can penetrate the horizontal breach 080 of fixed base in advance by back piece slide plate 645 central protrusive plate lips 6414, by protruding lip 6451 reach conflict river ditch 6410 front ends of two side front end T words, will be pushed near rear net cover 06 before the preceding slide plate 641 in addition.Otherwise, stem 4 back pendulum processes, stretch on the T font of meeting by Chuan Gou and move after lip 6451 pins down preceding piece slide plate 641, lip 704 controls are stretched to river ditch 6453 in the back before cooperating back piece slide plate 645 back segments on the T word by base, when moving, promptly this two part that connects slide plate can thoroughly hide the U font breach 702 of base 70 leading portions as front and back.

Consult shown in Fig. 1,6: outer shield 71 and base 70 be for device gives the fan net fixed base 07 or 08 back side, makes before the base 70 or cover back and balance spring 17 are positioned equilibrium bomb spring abutment 31 or the gear-box or the loam cake 12131,38 of horizontal stringer board seat respectively.This cover, seat is when being used in arc-shaped guide plate 59: by the yaw blowing function because of this creation is to pin down the result by crank arm fulcrum 23 and guide plate river ditch 590 of yaw, when cranking arm of yaw to side pole end, promptly form 90 degree Xu Qu angles with the front and back of guide plate to river ditch 590, be arc-shaped guide plate 59 rear section sides to traversing, will occupy protrusion cup 707 inner spaces of outer shield 71 and base 70 backs two sides.If do not protrude two side bra-cups 707 to add, change cover, seat are all strengthened the outer rim volume from front to back, will make cover, the loose ugly profile of seat can't be accepted also inapplicable 12 o'clock following electric fan machines by the Consumer.Therefore research and develop the telescopic guide plate of finishing 5 in addition, or double group type primary and secondary conduit set 94 is given yaw to extreme, its yaw fulcrum of cranking arm only moves to river ditch 531 stage casings after the meeting, be sub-inner guide plate 53 or female outer duct 96 as yet elongation backwards occupy two side spaces 707, the fulcrum 23 of cranking arm that moves just, unlikely extreme yaw elongation before the stage casing of flexible guide plate 5 or double group type conduit set 94, it is to crank arm that to move after the total length of fulcrum be just meeting of pitching blowing again, and cranking arm of pitching need not yaw, just two sides of cover seat back segment needn't be protruded cup 707, therefore flexible guide plate 5 of adapted or double group type conduit set 94 can change by tool not and be convexly equipped with cup and cover integrated outer shield of seat and base.

As shown in Figure 9: before the base 70 in intersegmental central authorities offer a sagittal U font breach 702, for the vertical neck 420 of decomposing type stem 4 space that moves back and forth, and breach 702 central back segments are established a horizontal T font brachycheilia 704, back segment horizontal cut 615 by slide plate, 624,6360, when the front and back that 6454 pack into cooperates decomposing type stem 4 operate, other is by U font breach 702 2 banks of base, respectively add segmentation groove 709 and control the slide plate running once more, can prevent to support out groove towards slide plate by base exterior, and make slide plate can effectively hide U font breach, give and strengthen safeguarding user's safety.Be that base 70 engages more with fixed base 07,08 in addition, locate screw 7061, with screw rod the two is screwed togather, and be fixed at screw rod again and cover end back segment screw 706 by seat 07,08 so establish one at front end.

So this creation in addition to the implementation, still extensible different machines use, and the equivalent structure that uses the specification of this creation such as and require the claim content to be done changes, and ought to be included in this creation claim.

Claims (12)

1. multifunctional electric fan improving structure, wherein: a fan net group comprises a fan net fixed base and has backboard, the solid tool two shaft lever gear-box group of the one blowing motor back of the body, or the yaw of pitch gear-box assembly unification yaw gearmotor group and a below combination is cranked arm, one decomposing type stem and top cover portion thereof and neck bottom, flexible guide plate of one arc-shaped guide plate or composite-type or the flexible formula of multiangle and female conduit or double group type primary and secondary conduit set one of them, prolong plate behind one slide plate and the slide plate thereof and comprise cylinder type, one folding type, one bending upwards type, one or two formulas etc. one of them, one outer shield and base have U font breach, one pin pipe and runners, assemblies such as one switch box constitute, it is characterized in that: a described decomposing type stem: add one or two skew backs in top cover portion and relax seat to yaw, or add cover one in top cover central authorities and relax a moving torsion spring, described guide plate is set as arc-shaped guide plate or telescopic guide plate or telescopic conduit of multiangle or the multiple group type primary and secondary conduit set of front opening Chuan Gou, add the diving board that protracts in the auris dextra lip respectively, cooperating stem to add torsion spring with indent relatively forces the guide plate back segment to upwarp, guard shield and base back segment two sides must be set as the protrusion cup outside during described adapted arc-shaped guide plate, described slide plate thoroughly hides base leading portion breach, with four kinds of slide plates one of them, offer horizontal breach structure with fan net fixed base hypomere, described groups of motors promptly supports a lead arm screw overcoat equilibrium bomb spring coil relatively with a blowing motor fore shell two sides, and collude under the front end under this arm, the back segment that screws togather the spring of back with special screw suppresses in the motor rear end or changes to establish and increases the weight of iron again, entreat among the solid tool two shaft lever gear-box group of this motor back of the body, by stretching axle behind the motor, Nie closes left side yaw clutch gear respectively, the right side Nie closes the pitch clutch gear, wherein emargination tongue engaging within the yaw clutch gear, forming flexible connection by the yaw axostylus axostyle with regard to the two pearls of the outer bullet of relative cam crossed strip is commonly called as yaw and files, hypomere spur gear Nie closes the right side spur gear in this yaw axostylus axostyle, make down stretch rotating shaft by the spiral shell of cranking arm solid hold fulcrum in addition, turn to as the yaw location through guide plate Chuan Gou, and be positioned the longitudinal axis seat of stem as the yaw center by the longitudinal axis under the support seat central authorities, so form and file by the two pearl engaging of the outer bullet of pitch axostylus axostyle fit pitch gear cam tongue and groove, make the hexagonal outer rim of pitch axostylus axostyle hypomere wear the helical gear inner edge that closes the location, simultaneously, top and the horizontal helical gear of the stretching Nie of cranking arm closes the plate that is fixed again and fixes, continuous overhanging bond post is screwed togather by upper and lower strut one stomidium, other stomidium of connecting rod is fixed at support seat one rear flank and stretches stringer board block set usefulness, promptly with pining down of cranking arm and rotate, impel the pitching of fan head group, change by the operation of yaw gearmotor group with regard to above-mentioned pitch structure and former yaw structure and all can reach orientation, yaw, pitch, wind shapes such as wave change and the wind speed adjustment.

2. a kind of multifunctional electric fan improving structure according to claim 1, it is characterized in that: a support seat screws togather the solid pitch gear-box group of the blowing motor back of the body and reaches the pitch pitching function, pairing is stretched hypomere among the stringer board seat by gear-box is horizontal, after stretch the solid yaw gear motor of horizontal panel seat spiral shell, make the transmission shaft under the panel seat, that is cranked arm fit holds fulcrum in addition, Chuan Gou through arc-shaped guide plate or flexible guide plate or telescoping catheter, turn to other assembly of cooperation electric fan as the yaw location, reach pitch wind shape and adjust by strut and tie, yaw wind shape and wind speed change wind shape and the wind speed adjustment by the different modes of button key.

3. a kind of multifunctional electric fan improving structure according to claim 1 and 2, it is characterized in that: the decomposing type stem of said gear case group or gearmotor group adapted, be set as top cover portion and neck bottom, the nearly central authorities of its top cover portion set vertical hole or pipe, establish the electric wire access hole again after a while, slightly before set with central authorities and to stretch positioning rod all with respect to the vertical neck hole seat of neck bottom, directional starting machine with the gear-box group that is used in blowing motor transmission, must be in the top cover portion one or two sides of stem, with the longitudinal axis under the support seat is center of radius, and accelerating with the yaw backhaul is starting point, be moulded low early and high after sloped top face, be divided into plug-connected type or stem is one-body molded, its gradient and support seat level board bottom surface two sides, the structure that the swing gradient of opposite position is coincide, be made for the yaw backhaul and accelerate to produce a moving improvement, right top cover portion two sides and each side of cable channel add the ear lip that rear extending ear lip and horizontal perforation fit are protracted by guide plate, relative horizontal perforation is screwed togather with leading portion anodontia special screw, the vertical neck of neck bottom just screws togather top cover portion after being worn by slide plate footpath borehole jack in addition, section is established the cross bar hole pivot and is closed between pin pipe or switch box upper end breach after the continuous neck bottom, being inserted in a ring spring around this cross bar hole makes the upper end be sticked in the groove seat, end is sticked in fan pin or switch box breach kerve positioning hole in addition, or add the set pearl seat of bent angle bar plate, make the dual usefulness of two springs, adjust the pitching degree of fan head.

4. a kind of multifunctional electric fan improving structure according to claim 1, it is characterized in that: described have a pitch gear-box assembly unification yaw gearmotor group, yaw in the top cover portion of its decomposing type stem relaxes seat, be set as two sides and add high-level protruding lip, the support seat level board bottom surface that coincide relatively and press down by upper face, with by support seat longitudinal axis overcoat one torsion spring down, up extension end is worn closed in level board front-side holes seat, in addition lower end spring muscle is inserted down and is positioned under the stem top cover portion the vertical boss dual mitigation usefulness in prelocalization hole slightly, gives improving the backhaul of electric fan yaw and accelerating to produce and time may I ask topic.

5. a kind of multifunctional electric fan improving structure according to claim 1 and 2, it is characterized in that: arc-shaped guide plate is established in front end two sides and is protracted the ear lip and establish horizontal perforation quarter, can be sleeved on relative stem rear extending ear lip, and the ear lip is established the diving board that protracts in the right side, by the torsion spring and the indent conflict bounce-back of end face force the guide plate back segment to upwarp relatively, arc-shaped guide plate is set as long piece type, its central authorities are set as front and back to Chuan Gou, and front end is opened up openings supply lines passage, is fit to be used in outer shield and base back segment two sides and is set as the moulding of protrusion cup.

6. a kind of multifunctional electric fan improving structure according to claim 1, its improvement is: the flexible guide plate of described composite-type forms by reaching female outer guide plate fit in the son, front end two sides of the outer guide plate of this mother are set as the protruding ear lip and have horizontal perforation, establish the diving board that protracts in an ear lip again, the outer guide plate of mother central authorities stay from front to back and establish the space, and be set as C font track in the medial lip bank, constitute fit with the T or the yi word pattern groove of sub-inner guide plate two side outer rims, and female outer guide plate leading portion two sides are respectively established spring fixed seat, solid rectangular torsion spring two ends of spiral shell, make its stage casing on the spring panoramatic head of sub-inner guide plate rear end, in addition female outer guide plate side direction or following to from the preceding Chuan Gou that scrapes out to the posterior segment cooperates sub-inner guide plate front side or bottom to be provided with and prevents the solid screw of spiral shell that sub-guide plate comes off between operation in front and back.

7. a kind of multifunctional electric fan improving structure according to claim 6, its improvement is: empty back forms the front and back of articulated to Chuan Gou to the identical sub-inner guide plate front end river of the opposite position ditch breach that central authorities add the short formula groove of identical furrow width with the river ditch in the outer guide plate of mother of the flexible guide plate of described composite-type.

8. a kind of multifunctional electric fan improving structure according to claim 1, its improvement is: the flexible formula of described multiangle and female conduit, its leading portion is established two ear lip and horizontal perforations, and before an ear lip, add the shell fragment that protracts, this two ears lip and stem rear end two lip of picking up the ears, distinctly locate the telescopic conduit of multiangle with the special screw of leading portion anodontia and be provided with rectangular torsion spring seat, the yaw of a described tool two shaft lever gear-box group or pitch gear-box assembly unification yaw gearmotor group is cranked arm, the fulcrum place that its position is positioned at two shaft lever gear-box group or pitch gear-box assembly unification yaw gearmotor group establishes vertical axis hole, by penetrating short type fulcrum up down and locating with cartridge clip in footpath emargination ditch, stretch fulcrum under other cranks arm and be positioned a flat side and end circle skeleton frame, female again rear end of conduit has rectangular torsion spring seat slightly.

9. a kind of multifunctional electric fan improving structure according to claim 1, it is characterized in that: double group type primary and secondary conduit set, two back booms of its neutron inner guide are worn and are closed in female outer duct, and each outside of two sub-inner guides is established spring terminal and is colluded seat, one of them is lived by rectangular torsion spring one end ring borehole jack, this spring is delayed the panoramatic head that penetrates in female rear end of conduit, continuous another spring terminal of wraparound leading portion colludes seat, this sub-guide rod front end is respectively established the ear lip and is provided with horizontal perforation quarter, wear relatively and close between the rear extending ear lip and middle ear lip hole seat of decomposing type stem, there is not the thread of establishing with two sub-inner guide location by the special screw leading portion, and establishing the diving board and establishing of protracting in this auris dextra lip stretches the spring positioning rod and is located at mutually external vertical torsion spring and indent by stem and suppresses, be that the center is prolonged the conduit back segment is upwarped with this special screw again, being cranked arm by yaw in addition, running cooperates primary and secondary conduit Telescopic before and after the fulcrum, can reach exempt outer shield and base after two sides protrude the cup moulding.

10. a kind of multifunctional electric fan improving structure according to claim 1, its improvement is: described slide plate is a rectangular bending upwards type slide plate, its front end central authorities establish the transverse diameter bar or vertically seal Chuan Gou, be sleeved on following fan net positioning rod of vertical face before the fan net fixed base and slightly under a track post on, and press the footpath sheet that the compacting of slide plate leading portion is positioned between fixed base and the rear net cover with one by two roofbolts, or by two side screws on behalf of the location, its leading portion slide plate is run between fixed base and rear net cover, it is penetrable in the horizontal breach of fixed base hypomere to prolong plate behind this slide plate in addition, and the hole, footpath and seat lip that wears the vertical neck of stem established in the slide plate posterior segment, offers the horizontal cut that is used to penetrate by the T font bar lip of stretching on the base subsequently.

11. a kind of multifunctional electric fan improving structure according to claim 1, its improvement is: described slide plate is folding type slide plate or cylinder type slide plate, described folding type slide plate, its front end is positioned to fan the vertical face in horizontal cut top or the two side shaft holes of net fixed base bottom, the tail skid leading portion that renews is set as folding plate or honeycomb pipe network structure, central authorities locate to have the hole, footpath and the lip of choosing a place to give a banquet after a while, also offer front and back subsequently to Chuan Gou, and add horizontal cut or described cylinder type slide plate in the rear end, the horizontal boom of its front end is positioned to fan the horizontal cut two side bosses of net fixed base bottom, transverse center is stretched plate after establishing the spring volume heart or steel disc binding in before the reel, and have the hole, footpath in the posterior segment of plate central authorities and add the lip of choosing a place to give a banquet, offer front and back subsequently to Chuan Gou, and add horizontal cut in the rear end.

12. a kind of multifunctional electric fan improving structure according to claim 1, its improvement is: described outer shield and base engage up and down and are solid with the screw spiral shell, front end promptly plugs together or is screwed together in fan net fixed base, and rear end system is fixed at gear-box, on the relative gear-box of outer shield, stretch the two shaft lever place again and respectively offer vertical perforation, and outer shield, base back segment, two sides add overhanging cup moulding and base leading portion bottom carve establish breach and two side banks add before and after to groove as skateboard track; Other fans behind the net fixed base plate washer and top cover portion and does not add any pattern slide plate and can stop that all the Consumer touches internally charged bodies such as fan motor from outer shield and base bottom U font breach, to meet world's security regulations.

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