CN100489314C

CN100489314C - Swing angle regulator for electric fan

Info

Publication number: CN100489314C
Application number: CNB001174924A
Authority: CN
Inventors: 李振刚; 蒋亮健
Original assignee: Individual
Current assignee: Jiang Liangjian
Priority date: 2000-09-30
Filing date: 2000-09-30
Publication date: 2009-05-20
Anticipated expiration: 2020-09-30
Also published as: CN1346022A

Abstract

The present invention relates to an angle-regulating device for oscillating fan, including angle-regulating knob, imput angle signal converter, dial scale, swing bar, curved retainer, pull rope and variable zeroing device. Its input angle signal converter possesses several conversion types, and is connected withthe curved retainer by means of pull rope, and the variable zeroing device is placed between pull rope and curved retainer. Said invented curved retainer notch signal set-value can implement effective scale expansion, can raise the accuracy of angle-regulating signal so as to can mave the electric fan accurately implement impact-free noiseless angle regulation.

Description

Oscillation angle adjuster for electric fan

Technical field

The present invention relates to the accurate controlling device of a kind of electric fan oscillating pivot angle, be specially adapted to handle the angle modulation knob on the electric fan seat surface plate, make electric fan accurately realize the step-less adjustment pivot angle.

Background technique

Now in the technology, patented invention " in the automatic regulating type mechanism in the oscillation angle adjuster for electric fan (ZL89100824.1); showed and a kind ofly preset the pivot angle value; finished the closed-loop regulating system of angle adjustment by electric fan itself automatically by the user; referring to original text as can be known this closed-loop regulating system by housing; worm screw---worm gear---reduction gears mechanism; planetary gear train variable crank mechanism, the click clutch, cam---fork sampler, fork---push pedal ratchet control mechanism is formed, but, the movement locus of fork end is one section camber line, and baffle plate is a straight line motion, so just produce following problem: 1, in order to make baffle plate in reciprocating stroke, its breach can both allow the fork end pass through, the shape of breach must be done wedgewise and can not do to such an extent that coincide with fork end thickness direction shape, so just cause and come and go the regulating error increase, poor reproducibility, 2, because the straight-line trajectory of baffle plate and the arc of oscillation line tracking of fork end form tangent, so breach departs from points of tangency when far away more, the resolution of angle modulation is just low more.In addition, in the original text end have mention drag-line transmit, concrete dependency structure in the conversion angle-modulated signal process, above-mentioned these imperfect places cause the product assembly error big in production and using process, debugging inconvenience, resolution is low, import given signal reliability poor accuracy, even produce the noise of impingement baffles.

Summary of the invention

The object of the present invention is to provide a kind of oscillation angle high resolution controlling device of reliable no impact noise, the user need only press dial sign input angle-modulated signal on the electric fan panel, the pivot angle controlling mechanism just can accurately be implemented corresponding angle modulation by inputing to definite value, and has eliminated angle modulation deviation and sound.

The invention provides a kind of oscillation angle adjuster for electric fan for this reason, comprise housing, worm screw-worm gear-reduction gears mechanism, planetary gear train variable crank mechanism, the click clutch, cam-swing-bar mechanism, fork---push pedal ratchet control mechanism, the angle modulation button, dial, the present invention and former technology difference are that input angle signal adapter is housed below the angle modulation button, on the swinging track line of the fork end of cam---swing-bar mechanism the camber baffle plate are housed, and the camber baffle plate is connected by drag-line with input angle signal adapter, drag-line is to but roll adjustment being housed to zero device between the camber baffle plate, should install zero by roll adjustment but adjust, can eliminate the various cumulative errors of input angle-modulated signal system and sampling system, make the setting value zero point of camber baffle plate breach and the sampled value inregister at zero point of fork end.Above-mentioned input angle signal adapter can be gear-rack gear arrangement, gear-rack gear arrangement comprises gear and tooth bar, gear is contained in below the angle modulation button, gear and tooth bar engagement, tooth bar one end firmly is connected with the rope head arm-tie of drag-line, and is consistent with the moving direction of tooth bar near the drag-line axis of tooth bar one end; Above-mentioned input angle signal adapter also can be rotating disk---a locating slot device, rotating disk---the locating slot device comprises rotating disk, the circumference of rotating disk has locating slot, rotating disk is coaxial to be contained in below the angle modulation button, Cable head is fixed in the rotating disk, drag-line has guiding element at the place, point of contact of drag-line and locating slot on the locating slot of rotating disk circumference; Above-mentioned input angle signal adapter can also be lever---slide block---chute device, lever---slide block---chute dress comprises lever, slide block and chute, lever becomes slide hinged with slide block, slide block becomes to be slidingly matched with chute, the rope head arm-tie of drag-line is fixed on the slide block, and the termination axis of drag-line is consistent with the slide block movement direction.

Description of drawings

Fig. 1 is the overall construction drawing of the embodiment of the invention;

Fig. 2 is but that roll adjustment of the present invention is to zero device diagrammatic sketch;

Fig. 3 is another routine rotating disk tangent-type assembling diagrammatic sketch of input angle signal adapter in the embodiment of the invention;

Fig. 4 is the another routine lever-slide block-chute assembling diagrammatic sketch of the transducer of input angle-modulated signal in the embodiment of the invention;

Fig. 5 is that but roll adjustment assembles diagrammatic sketch to another routine clod wash part of zero device in the embodiment of the invention.

Embodiment

With embodiment and accompanying drawing the present invention is described in further detail below:

Fig. 1 and Fig. 2 illustrate a most preferred embodiment of the present invention, be equipped with in the housing 1 of gear-box with the identical parts of (seeing former specification Fig. 7) in the disclosed electric fan reclining apparatus of patent ZL89100824.1 technology, this example is on the housing 1 of gear-box camber guide groove 4 to be housed with its difference, camber baffle plate 5 can slide in camber guide groove 4, camber baffle plate 5 has a breach 3 at the edge, middle part, the type shape of breach 3 and fork 2 ends coincide along the projection of thickness direction, and can allow fork 2 ends pass through, the motion track of camber baffle plate 5 breach 3 is consistent with the arc swinging track of fork 2 ends.Drag-line 7 is fixed on the roll adjustment slide block 8, last Cable head 6 is contained in camber baffle plate 5 outside clip slots, guide rail 9 is equipped with on housing 1 next door of gear-box, roll adjustment slide block 8 is slidingly matched for 9 one-tenth with guide rail, guide rail has substrate 11 9 times, regulate in the screw that hole precession roll adjustment slide block 8 that bolt 10 passes substrate 11 prepared, between roll adjustment slide block 8 and the substrate 11 spring 23 is housed, regulate bolt 10 by rotation, can change the position of roll adjustment slide block 8 on 9 li on guide rail, thereby constitute one group of spiral roll adjustment assembly, regulate this spiral roll adjustment assembly, but the relative overhang of adjustment drag-line 7 on the housing 1 of gear-box makes 3 setting value zero points of breach of camber baffle plate 5, with fork 2 terminal actual sample value inregisters at zero point, thereby constitute one group of spiral roll adjustment to zero device.Quantitative dial 13 is housed between the housing face-plate 14 of electric fan seat and the

angle modulation button

12,12 times tippings of angle modulation button gear 16, gear 16 and tooth bar 18 engagements, tooth bar 18 1 ends firmly are connected with the rope head arm-tie 19 of drag-line 7 the other ends, and place upper cover plate 15 and the straight trough that base plate 22 forms, assemble along following 21 mode of being in line of sheath of drag-line 7.Be positioned at tooth bar 18 shift motion two ends on the base plate 22 limiting stopper 20 and limited post 17 are housed respectively, turn angle modulation button 12, the gear 16 that is provided with promptly drives tooth bar 18 translations with one heart, and drive camber baffle plates 5 by drag-line 7 and move, this structure, the angle value displacement amount that can on dial 13 readings, import angle modulation button 12, press the diameter proportion of dial 13 and gear 16, segmentation is converted to the corresponding displacement signal amount of drag-line 7, and guaranteed to connect rope 7 and in transmission, can not be subjected to extra bending, eliminated camber baffle plate 5 and forwarded instead (just) hysterisis error when direction moves to, thereby constituted a high-resolution input angle signal adapter from (instead) direction just.

Fig. 3 is another embodiment of the input angle signal adapter described in the present invention, adjusting knob connects a rotating disk 25 for 12 times, it is middle with installation mounting 28 that rotating disk 25 is contained in support 24, dress Cable head 26 in the rotating disk 25, drag-line 7 installs around on the locating slot 29 of rotating disk 25 circumference, and be tangent direction assembling with drag-line 7 overcoat fixed ends 32, positioning block 31 makes drag-line 7 and sheath fixed end 32 keep the working state of vertical line, is equipped with stroke limit projection 27 and adjustable spacing block set 30 on the installation mounting 28 of rotating disk 25.Poor 29, positioning block 31 combined mechanisms of rotating disk 25, location, the angle value displacement amount that can on dial 13 readings, import angle modulation button 12 equally, press the two diameter proportion of dial 13 and rotating disk 25, segmentation is converted to the corresponding displacement signal amount of drag-line 7, can eliminate the conventional fan drag-line equally pushes away when non-perpendicular state and the deformation of drawing different opplied moments to produce, and eliminated the hysterisis error that positive and negative direction moves, thereby constituted the input angle signal adapter that a cover improves resolution.

Fig. 4 is the another embodiment of the input angle signal adapter described in the present invention, square angle modulation button connects lever 35 33 times, lever 35 is contained on the pillar 37, open a groove 39 in lever 35 the other ends, and with slide block 38 on the hinge joint of sliding of 40 one-tenth of projections, slide block 38 is contained in the chute 42 to become to be slidingly matched, the arm-tie 19 of drag-line 7 one ends is packed on the slide block 38, and the bearing of trend of termination that makes drag-line 7 is with the glide direction unanimity of slide block 38, be equipped with fixed journey system limiting stopper 36 and range-adjustable limiting stopper 41 on the chute mounting 43, lever---slide block---chute combined mechanism, the angle value displacement amount that square angle modulation button 33 can be imported on microscler dial 34 readings equally, in the brachium of square angle modulation button 33 ends of lever 35 and the ratio of slide block 38 end brachiums, segmentation is converted to the corresponding displacement signal amount of drag-line 7, and can eliminate the deformation that the different opplied moments of conventional fan drag-line push-and-pull when non-perpendicular state produce equally, so that reach with the input angle signal value of square angle modulation button 33 on microscler dial 34, reach to high-resolution the purpose on the breach 3 of curved baffle 5, thereby constitute the complete input angle signal adapter of a cover.

Fig. 5 illustrates another kind of clod wash part roll adjustment to zero device, clod wash steel plate 44 is installed in housing 1 outside of gear-box, drag-line 7 firmly is installed on the clod wash steel plate 44 by pressing plate 45, obtain fine setting by pulling the extrusion that clod wash steel plate 44 can make drag-line 7, thereby make the initial null value of camber baffle plate 5 breach 3 and the sampling initial point null value inregister of fork 2 ends.

The present invention is in former technical pattern, set up curved baffle, but set up roll adjustment to zero device, and at the drag-line front end to a cover input angle signal adapter newly is set between the angle modulation button, make camber baffle plate breach signal feeding value can realize effective scale expansion, improved the validity of angle-modulated signal greatly, thereby made electric fan can accurately, operability realize the angle modulation of reliable no impact noise.The present invention is applicable to the angle pendulum regulating mechanism of head-swinging type electric fan.

Claims

1, a kind of oscillation angle adjuster for electric fan, it comprises housing (1), worm screw---worm gear---reduction gears mechanism, planetary gear train variable crank mechanism, click clutch, cam---swing-bar mechanism, fork---push pedal ratchet control mechanism, angle modulation button (12), dial (13), it is characterized in that: input angle signal adapter is housed below the angle modulation button (12), on the swinging track line of the fork of cam---swing-bar mechanism (2) end camber baffle plate (5) is housed; Curved baffle (5) is connected by drag-line (7) with input angle signal adapter, drag-line (7) to curved baffle (5) but between roll adjustment be housed install zero.

2, oscillation angle adjuster for electric fan according to claim 1, it is characterized in that described input angle signal adapter can be gear a---rack gear arrangement, gear---rack gear arrangement comprises gear (16) and tooth bar (18), gear (16) is contained in below the angle modulation button (12), gear (16) and tooth bar (18) engagement, tooth bar (18) one ends firmly are connected with the rope head arm-tie (19) of drag-line (7), and are consistent with the moving direction of tooth bar (18) near drag-line (7) axis of tooth bar (18) one ends.

3, oscillation angle adjuster for electric fan according to claim 1, it is characterized in that described input angle signal adapter also can be rotating disk---a locating slot device, rotating disk---locating slot device comprises rotating disk (25), the circumference of rotating disk (25) has locating slot (29), rotating disk (25) is coaxial to be contained in below the angle modulation button (12), the Cable head (26) of drag-line (7) is fixed in the rotating disk (25), drag-line (7) locates to have guiding element (31) at the drag-line (7) and the point of contact of locating slot (29) on the locating slot (29) of rotating disk (25) circumference.

4, oscillation angle adjuster for electric fan according to claim 1, it is characterized in that described input angle signal adapter can also be lever---slide block---chute device, lever---slide block---chute device comprises lever (35), slide block (38) and chute (42), lever (35) becomes slide hinged with slide block (38), slide block (38) becomes to be slidingly matched with chute (42), the rope head arm-tie (19) of drag-line (7) is fixed on the slide block (38), and the termination axis of drag-line (7) is consistent with slide block (38) moving direction.