A kind of electric fan oscillating mechanism
Technical field
The utility model is a kind of electric fan oscillating mechanism, and particularly a kind of left and right sides oscillating mechanism that is used for the mechanical type electric fan belongs to the renovation technique of electric fan oscillating mechanism.
Background technique
Existing common electrical fan head swinging mechanism only provides the motion of shaking the head about head part; Pitching movement can only be moved the fan head by craft; The gear-box of this electric fan oscillating mechanism only provides one group of gearing down; Realized shaking the head about single by fourbar linkage, the defective that this structure exists is the blowing that a direction can only be provided, and is difficult to bring whole body nice and cool to the people.
The fan of realizing 3d air delivery in the market is the electronic type stand fan mostly, about can providing simultaneously, about shake the head, this fan head swinging mechanism be basically adopt two synchronous machines to drive two groups of fourbar linkages respectively and realize shaking the head up and down with about shake the head; The maximum shortcoming of this mechanism is to need two synchronous machines of configuration, costs an arm and a leg, and also needs circuit board control to realize; Cause the complete machine manufacture cost too high; And driving force requires highly, do not have overload protection again, if when the process middle fan head of shaking the head is ordered about by external force; The synchronous machine reduction gear damages easily, and occurs the synchronous machine stall easily and cause temperature rise too high and cause potential safety hazard.
Summary of the invention
The purpose of the utility model is to consider the problems referred to above and provides a kind of to enhance productivity the electric fan oscillating mechanism that reduces cost.The utility model is simple in structure, reliable transmission, and assembling is simple, and is convenient and practical.
The technological scheme of the utility model is: the electric fan oscillating mechanism of the utility model; Include motor, the reduction gear box of shaking the head, left and right sides oscillating mechanism, shake the head connecting rod, motor bracket assembly, connecting head assembly up and down; The driving link helical gear of reduction gear box of wherein shaking the head links to each other with the output shaft of motor; First of the reduction gear box of shaking the head is exported the crank of shaking the head about driven member and is connected with left and right sides oscillating mechanism, and the second output driven member bevel gear wheel of the reduction gear box of shaking the head is connected with the connecting rod of shaking the head up and down.
Above-mentioned motor and shake the head and be equiped with tooth case connecting plate between the reduction gear box.
Be equiped with motor front casing and motor rear casing on the above-mentioned motor.
On the motor front cover, the motor rear casing passes through screw on motor back cover connecting plate to above-mentioned motor front casing through screw.
Be equiped with on the above-mentioned reduction gear box of shaking the head control respectively fan about, about shake the head two take out button.
Above-mentioned motor bracket assembly includes motor supporting frame, packing ring and central shaft, and the motor supporting frame is installed on the central shaft, and packing ring is installed on the surface of contact of motor supporting frame and central shaft.
Above-mentioned left and right sides oscillating mechanism includes setting sleeve, left guide rod, right guide rod, U type crank, Returnning spring; Wherein left guide rod, right guide rod insert left guide rod in two mounting holes of setting sleeve, right guide rod and are not spending and user mode at ordinary times during level is stuck in the setting sleeve mounting hole by semi-circular structure to vertical 90 when vertical 90 spend through the semi-circular structure on its assembling minor axis; And left guide rod, right guide rod can carry out turn around the axle center of the mounting hole of setting sleeve; The assembling major axis of left side guide rod, right guide rod is inserted into respectively in two mounting holes of the set correspondence of U type crank; The assembling major axis of whole guide rod is assembled in the U type crank, and U type crank axially slidably reciprocates left guide rod, right guide rod, and an end of Returnning spring is installed on the left guide rod hook; Pass U type crank; The other end is installed on the right guide rod hook, and when the crank of shaking the head about the first output driven member of gear-box drew back U type crank, Returnning spring in time retracted U type crank and resets; Left side guide rod, right guide rod and U type crank simultaneously can be around the mounting hole axle center rotations of setting sleeve.
The said gear case includes first group of gear reduction driving mechanism and second group of gear reduction driving mechanism; First group of gear reduction driving mechanism includes helical gear, small Spur gear and large straight gear, compression clutch spring, locking ball; First of the above-mentioned reduction gear box of shaking the head is exported the crank of shaking the head about driven member is; The second output driven member is a bevel gear wheel, and the output shaft of above-mentioned motor is a worm screw, and wherein locking ball is installed in the installation through holes of small Spur gear with compression clutch spring; Spacing through helical gear groove; The output shaft engagement of helical gear and motor, helical gear is delivered to the crank of shaking the head about the first output driven member through locking ball, compression clutch spring, small Spur gear and large straight gear, and the big end of the first output driven member and the rotating shaft of large straight gear are fastenedly connected through screw; The small end of the first output driven member is connected through screw with the U type crank in the oscillating mechanism of the left and right sides; One end of pressure spring is contained in the corresponding mounting hole of setting sleeve, and the other end is contained on the corresponding installation shaft of right guide rod, and pressure spring makes the upper-end surface of U type crank chute be fitted on the small end sphere of the first output driven member; The central shaft of motor bracket assembly passes setting sleeve; Through pan head screw motor bracket assembly, left and right sides oscillating mechanism are anchored in the setting sleeve mounting groove of connecting head assembly, make motor bracket assembly and motor along the rotation of motor supporting frame central shaft, the electric fan head is shaken the head about realizing; Shake the head manually and include motor bracket assembly, connecting head, pressure spring, positioning bead and setting sleeve; Pressure spring is installed in the connecting head mounting hole; The positioning bead support force of spring by compression is positioned in the spacing hole of setting sleeve; The central shaft of motor bracket assembly passes setting sleeve; Through pan head screw motor bracket assembly, left and right sides oscillating mechanism are anchored in the setting sleeve mounting groove of connecting head assembly again, make motor bracket assembly and motor, manually move and shake the head about the electric fan head is realized along motor supporting frame central shaft left rotation and right rotation; Second group of gear reduction driving mechanism includes helical gear, shake the head controlling rod, bevel pinion, the second output driven member bevel gear wheel, shake the head connecting rod, compression clutch spring, locking ball up and down up and down; Wherein locking ball is installed in the installation through holes of the controlling rod of shaking the head up and down with compression clutch spring; Spacing through helical gear groove; Helical gear in the tooth case and the engagement of the output shaft of motor; Helical gear is through locking ball, compression clutch spring, shake the head controlling rod and bevel pinion is delivered to the second output driven member bevel gear wheel with running up and down, and the second output driven member bevel gear wheel is fastenedly connected through screw with the long limit end of the connecting rod of shaking the head up and down, and the connecting rod of shaking the head up and down moves in a circle with bevel gear wheel; The short end of connecting rod of shaking the head up and down is connected through the polished rod screw with the motor bracket assembly; Be fixed on the motor bracket assembly, make upper and lower strut short end when moving in a circle rotate up and down along the polished rod of polished rod screw, the motor bracket assembly is fixed on the motor front cover mounting hole through polished rod screw, bearing support lasso, bearing support back-up ring; Make motor rotate up and down along the mounting hole central shaft of supporting frame; The central shaft of motor bracket assembly is installed in the setting sleeve, is fixed in the connecting head assembly, and the electric fan head is realized shaking the head up and down.
The said gear case is the W tooth case of shaking the head; Gear-box also includes tooth block and tooth case lid.
Shake the head about the driven member small end of crank of above-mentioned first output is connected through tapping screw with left and right sides oscillating mechanism, takes out on the Assembly rail that button is contained in the controlling rod of shaking the head up and down respectively and on the Assembly rail of small Spur gear for two.
The utility model is owing to adopt the output shaft driving gearbox work of motor; The first output driven member output circular movement by gear-box; Through left and right sides oscillating mechanism; The first output driven member is slidably reciprocated along the U type crank chute in the oscillating mechanism of the left and right sides, change swinging into, drive and shake the head about motor is realized; Being rotatablely moved by the second output driven member output of gear-box drives motor through the connecting rod of shaking the head up and down and realizes shaking the head up and down, and it is simple in structure, and reliable transmission is with low cost. Shake the head up and down, and take out button (4) by two and control respectively: press the left side and take out button, electric fan is shaken the head up and down; Press the right and take out button, shake the head about electric fan; Press two simultaneously and take out button, up and down, about the operation of shaking the head simultaneously, the head of electric fan presents " W " track shakes the head, thereby realizes the electric fan 3d air delivery.The utility model assembling is simple, and manufacturing efficiency is high, is that a kind of design is ingenious, function admirable, convenient and practical electric fan oscillating mechanism.
Description of drawings
Fig. 1 is the behaviour in service reference drawing of the utility model W oscillating mechanism;
Fig. 2 is the utility model W oscillating mechanism assembling schematic representation;
Fig. 3 is the shake the head plan view of reduction gear box of the utility model;
Fig. 4 is the shake the head right elevation of reduction gear box of the utility model;
Fig. 5 is the shake the head plan view of reduction gear box of the utility model;
Fig. 6 is the shake the head cross-sectional view of reduction gear box of the utility model;
Fig. 7 is the shake the head rear view of reduction gear box of the utility model;
Fig. 8 is the structural representation of the utility model motor bracket assembly;
Fig. 9 is the assembling schematic representation of the utility model motor bracket assembly;
Figure 10 is the structural representation of the utility model left and right sides oscillating mechanism;
Figure 11 is the assembling schematic representation of left and right sides oscillating mechanism;
Figure 12 is the enlarged view at I place among Figure 11;
Figure 13 for the utility model about the fundamental diagram of shaking the head;
Figure 14 is the fundamental diagram of shaking the head up and down of the utility model;
Figure 15 is the W of the utility model fundamental diagram of shaking the head.
Embodiment
Embodiment:
The structural representation of the utility model is like Fig. 6,8, shown in 10; The electric fan oscillating mechanism of the utility model; Include motor 1, tooth case connecting plate 2, the reduction gear box 3 of shaking the head, take out button 4, motor fore shell 5, rear casing 8, left and right sides oscillating mechanism 6, shake the head connecting rod 7, motor bracket assembly 9, connecting head assembly 10 up and down; The driving link of reduction gear box 3 of wherein shaking the head links to each other with the output shaft 1.1 of motor 1; Shake the head reduction gear box 3 the first output driven member 3.6 with about the crank assemblies 6 of shaking the head be connected, second of the reduction gear box 3 of shaking the head is exported driven member 3.9 and is connected with the connecting rod 7 of shaking the head up and down.
First of the above-mentioned reduction gear box 3 of shaking the head is exported the crank of shaking the head about driven member 3.6 is, the second output driven member 3.9 is a bevel gear wheel.The output shaft 1.1 of above-mentioned motor 1 is a worm screw.Above-mentioned tooth case connecting plate 2 is used to connect motor and gear-box 3 and fixing tooth roller box 3.In the present embodiment, tooth case connecting plate 2 is fixed on the back end cover for motor 1.3 through a M4x10 screw 23 and two M4x5 screws 24.The above-mentioned reduction gear box 3 of shaking the head is the W tooth case of shaking the head.
In the present embodiment, gear-box 3 is fixed on back end cover for motor 1.3 and the tooth case connecting plate 2 through a M4x10 screw 23 and two ST3x10 screws 25.
Above-mentioned motor bracket assembly 9 is formed by motor supporting frame 9.1,16x8x2 packing ring 9.3 and central shaft 9.2 riveted joints.Above-mentioned motor 1 is provided with motor front casing 8 and motor rear casing 5.
In the present embodiment, motor front casing 5 is fixed on the motor front cover 1.2 through 4 M4x7 screws 20.Motor rear casing 8 is fixed on the back cover connecting plate 22 through M3x10 screw 21.
In the present embodiment; Above-mentioned left and right sides oscillating mechanism 6 includes setting sleeve 6.1, left guide rod 6.2, right guide rod 6.3, U type crank 6.4, Returnning spring 6.5; Wherein left guide rod 6.2, right guide rod 6.3 are not being spent and user mode at ordinary times during level is stuck among the setting sleeve mounting hole 6.1.1 by semi-circular structure 6.2.1,6.3.1 to vertical 90 through left guide rod among the last semi-circular structure 6.2.1 of its assembling minor axis 6.2.3,6.3.4,6.3.1 inserts setting sleeve 6.1 when vertical 90 spend the two mounting hole 6.1.1 6.2, right guide rod 6.3; And left guide rod 6.2, right guide rod 6.3 can carry out turn around the axle center of the mounting hole 6.1.1 of setting sleeve 6.1; A left side guide rod 6.2, the assembling major axis 6.2.4 of right guide rod 6.3,6.3.5 are inserted into respectively among the two mounting hole 6.4.1 of the set correspondence of U type crank 6.4; Assembling major axis 6.2.4, the 6.3.5 of whole guide rod are assembled in the U type crank 6.4; U type crank 6.4 axially slidably reciprocates left guide rod 6.2, right guide rod 6.3; One end of Returnning spring 6.5 is installed on the left guide rod hook 6.2.2, passes U type crank 6.4, and the other end is installed on the right guide rod hook 6.3.2; When the first output driven member 3.6 of gear-box 3 drew back U type crank 6.4, Returnning spring 6.5 in time retracted U type crank 6.4 and resets; Left side guide rod 6.2, right guide rod 6.3 and U type crank 6.4 simultaneously can be around the mounting hole axle center rotations of setting sleeve 6.1.
Said gear case 3 includes first group of gear reduction driving mechanism and second group of gear reduction driving mechanism; First group of gear reduction driving mechanism includes helical gear 3.3, small Spur gear 3.4 and large straight gear 3.5, compression clutch spring 3.7, locking ball 3.8; First of the above-mentioned reduction gear box 3 of shaking the head is exported the crank of shaking the head about driven member 3.6 is; The second output driven member 3.9 is a bevel gear wheel; The output shaft 1.1 of above-mentioned motor 1 is a worm screw, and wherein locking ball 3.8 is installed among the installation through holes 3.4.1 of small Spur gear 3.4 with compression clutch spring 3.7, and is as shown in Figure 6; Groove through helical gear 3.3 is spacing; Output shaft 1.1 engagements of helical gear 3.3 and motor 1, helical gear 3.3 is delivered to shake the head about the first output the driven member big end of crank 3.6, the first output driven members 3.6 and the rotating shaft of large straight gear 3.3 through locking ball 3.8, compression clutch spring 3.7, small Spur gear 3.4 and large straight gear 3.3 and is fastenedly connected through screw 13; The small end of the first output driven member 3.6 is connected through screw 12 with the U type crank in the left and right sides oscillating mechanism 6; One end of pressure spring 11 is contained among the corresponding mounting hole 6.1.2 of setting sleeve 6.1, and the other end is contained on the installation shaft 6.3.3 of right guide rod 6.3 correspondences, and pressure spring 11 makes the upper-end surface of U type crank chute 6.4 be fitted on the small end sphere of the first output driven member 3.6; The central shaft 9.2 of motor bracket assembly 9 passes setting sleeve 6.1; Through pan head screw 14 motor bracket assembly 9, left and right sides oscillating mechanism 6 are anchored in the setting sleeve mounting groove 10.1.1 of connecting head assembly 10, make motor bracket assembly and motor along 9.2 rotations of motor supporting frame central shaft, the electric fan head is shaken the head about realizing; Shake the head manually and include motor bracket assembly 9, connecting head 10.1, pressure spring 10.2, positioning bead 10.3 and setting sleeve 6.1; Pressure spring 10.2 is installed among the connecting head mounting hole 10.1.2; As shown in Figure 9; Positioning bead 10.3 support force of spring 10.2 by compression is positioned in four spacing holes of setting sleeve 6.1 among any spacing hole 6.1.3; The central shaft 9.2 of motor bracket assembly 9 passes setting sleeve 6.1; Through pan head screw 14 motor bracket assembly 9, left and right sides oscillating mechanism 6 being anchored in the setting sleeve mounting groove 10.1.1 of connecting head assembly 10 again, making motor bracket assembly 9) motor is along motor supporting frame central shaft 9.2 left rotation and right rotation, and manually move and shake the head about the electric fan head is realized; Second group of gear reduction driving mechanism includes helical gear 3.3, shake the head controlling rod 3.10, bevel pinion 3.11, the second output driven member bevel gear wheel 3.9, shake the head connecting rod 7, compression clutch spring 3.7, locking ball 3.8 up and down up and down; Wherein locking ball 3.8 is installed among the installation through holes 3.10.1 of the controlling rod 3.10 of shaking the head up and down with compression clutch spring 3.7; As shown in Figure 6; Spacing through helical gear groove; Helical gear 3.3 in the tooth case and 1.1 engagements of the output shaft of motor 1; Helical gear 3.3 is through locking ball 3.8, compression clutch spring 3.7, shake the head controlling rod 3.10 and bevel pinion 3.11 is fastenedly connected the long limit end that running is delivered to the second output driven member bevel gear wheel, 3.9, the second output driven member bevel gear wheels 3.9 and the connecting rod of shaking the head up and down through screw 19 up and down, and the connecting rod of shaking the head up and down moves in a circle with bevel gear wheel; The short end of connecting rod of shaking the head up and down is connected through polished rod screw 18 with motor bracket assembly 9; Be fixed on the motor bracket assembly, make upper and lower strut short end when moving in a circle rotate up and down along the polished rod of polished rod screw 18, motor bracket assembly 9 is fixed on the motor front cover mounting hole 1.2.1 through polished rod screw 15, bearing support lasso 16, bearing support back-up ring 17; Make motor rotate up and down along the central shaft of the mounting hole 9.1.1 of supporting frame 9.1; The central shaft 9.2 of motor bracket assembly is installed in the setting sleeve, is fixed in the connecting head assembly 10, and the electric fan head is realized shaking the head up and down.
In the present embodiment, said gear case 3 also includes tooth block 3.1 and tooth case lid 3.2.The small end of the above-mentioned first output driven member 3.6 is connected through the tapping screw 12 that strengthens collared head with left and right sides oscillating mechanism 6.
The working principle of shaking the head about the utility model is realized is following: in the said gear case 3 in first group of gear reduction driving mechanism; The power of motor by the output shaft 1.1 of motor 1 through helical gear 3.3; Locking ball 3.8; Compression clutch spring 3.7; Small Spur gear 3.4 is delivered to the crank 3.6 of shaking the head about the first output driven member with large straight gear 3.3; The big end of the first output driven member 3.6 and the large straight gear 3.3 in the gear-box 3 are fastenedly connected through the ST4 screw; The first output driven member 3.6 moves in a circle along the large straight gear central shaft, and small end is connected through ST4x14 increasing collared head tapping screw 12 with left and right sides oscillating mechanism simultaneously, output driven member 3.6 small ends of winning can only be done along U type crank chute 6.4 slidably reciprocate; Left and right sides oscillating mechanism 6 swings up and down around the central shaft of the mounting hole 6.1.1 of setting sleeve simultaneously and makes the entire mechanism can the coordinated movement of various economic factors so that adjust angle; Pressure spring 11 1 ends are contained among the respective aperture 6.1.2 of setting sleeve 6.1, and the other end is contained on the corresponding axle 6.3.3 of right guide rod 6.3, on the small end sphere of the crank 3.6 of shaking the head about pressure spring 11 is fitted in the upper-end surface of U type crank chute 6.4 constantly; The central shaft 9.2 of motor bracket assembly 9 passes the setting sleeve 6.1 of left and right sides oscillating mechanism 6; Through ST5x10 pan head screw 14 motor bracket assembly 9, left and right sides oscillating mechanism 6 are anchored in the setting sleeve mounting groove 10.1.1 of connecting head assembly 10 again, make motor do the 50o circular arc and back and forth rotate, so the electric fan head is back and forth shaken the head about realizing around motor supporting frame central shaft carries out the circular arc rotation along motor supporting frame central shaft.The principle of shaking the head manually: pressure spring 10.2 is installed among the connecting head mounting hole 10.1.2; Positioning bead 10.3 is the support force of spring 10.2 by compression; Be positioned in four spacing holes of setting sleeve among any spacing hole 6.1.3; When the central shaft 9.2 of motor bracket assembly 9 passes setting sleeve 6.1; Through ST5x10 pan head screw 14 motor bracket assembly 9, left and right sides oscillating mechanism 6 are anchored in the setting sleeve mounting groove 10.1.1 of connecting head assembly 10 again, make motor bracket assembly 9 and motor, shake the head but manually move electric fan head left and right sides 50o along motor supporting frame central shaft 9.2 left rotation and right rotation.
The utility model realizes that the working principle of shaking the head up and down is following: helical gear 3.3 in the above-mentioned tooth case 3 and the 1.1 engagement runnings of the output shaft worm screw of motor 1; Helical gear 3.3 is through locking ball 3.8, compression clutch spring 3.7, shake the head controlling rod 3.10 and bevel pinion 3.11 is delivered to the second output driven member bevel gear wheel 3.9 with running up and down; The second output driven member bevel gear wheel 3.9 is fastenedly connected through adding large washer ST3x10 screw 19 with the long limit end of the connecting rod of shaking the head up and down; Therefore the connecting rod of shaking the head up and down moves in a circle with bevel gear wheel; The short end of connecting rod of shaking the head up and down has polished rod special screw 18 to be connected with motor bracket assembly 9 through M4x9; Be fixed on the motor bracket assembly; Make upper and lower strut short end when moving in a circle rotate up and down along the polished rod of polished rod screw 18, motor bracket assembly 9 has polished rod special screw 15, bearing support lasso 16, bearing support back-up ring 17 to be fixed on the motor front cover mounting hole 1.2.1 through M5x13.5, make motor along the central shaft of motor supporting frame 9.1 mounting hole 9.1.1 up and down the 28o circular arc back and forth rotate; The central shaft 9.2 of motor bracket assembly is installed in the setting sleeve, is fixed in the connecting head assembly.So the electric fan head carries out circular arc rotation up and down around the central shaft of motor supporting frame 9.1 set mounting hole 9.1.1 and realizes up and down reciprocatingly shaking the head.
The working principle that the utility model realization W shakes the head is following: output shaft 1.1 driving gearboxs 3 work of motor 1; The crank 3.6 of shaking the head about the first output driven member by gear-box 3 is exported circular movement; Through left and right sides oscillating mechanism 6; The first output driven member 3.6 is slidably reciprocated along the U type crank chute in the left and right sides oscillating mechanism 6, change swinging into, drive and shake the head about motor is realized; Rotatablely move by the second output driven member bevel gear wheel, 3.9 outputs of gear-box 3 and to drive motor 1 through the connecting rod 7 of shaking the head up and down, motor bracket assembly and realize shaking the head up and down; Shake the head up and down, and take out button 4 by two and control respectively: press the left side and take out button, electric fan is shaken the head up and down; Press the right and take out button, shake the head about electric fan; Press two simultaneously and take out button, up and down, about the operation of shaking the head simultaneously, the head of electric fan presents " W " track shakes the head, thereby realizes the electric fan 3d air delivery.It is simple in structure, and reliable transmission is with low cost.The utility model assembling is simple, and manufacturing efficiency is high, is that a kind of design is ingenious, function admirable, convenient and practical electric fan W oscillating mechanism.