Summary of the invention
Technical problem to be solved by the invention is to provide rocking chair driving devices, by placing rocking chair driving in rocking chair lower partDevice makes rocking chair automatic swinging.
Used technical solution to solve above-mentioned technical problem:
Rocking chair driving device, including bottom plate and actuator body, one end of actuator body are disposed with driving mechanism, drivingMechanism includes motor control panel, grating electromechanical and the roller bearing for driving rocking chair, and grating electromechanical drives roller bearing rotation, the side of roller bearingFace is the driving face with driving rocking chair friction, and the other end of actuator body is installed by first rotating shaft and bottom plate, driver sheetBe disposed in body adjust its rotational angle torque force adjusting mechanism, torque force adjusting mechanism include plane scroll spring and adjust ring,Plane scroll spring covers in first rotating shaft, and first rotating shaft, which passes through, adjusts ring, and one end of plane scroll spring and first rotating shaft are solidFixed, the other end of plane scroll spring is fixed with ring is adjusted, and plane scroll spring turns round actuator body application by adjusting ringPower.
Further, the torque force adjusting mechanism further includes screw pair, and screw pair includes screw rod, the moving member covered on screw rodAnd the guide rail with screw rod parallel arrangement, moving member are moved along guide rail, the axis of screw rod and the axis antarafacial of first rotating shaft are vertical,The lateral surface of ring is adjusted around being disposed with flexible piece, one end of flexible piece is fixed on the lateral surface for adjusting ring, flexible piece it is anotherEnd is fixed on moving member.
Further, the upper and lower part of the screw rod is arranged with the mounting base fixed with actuator body, one of themThe compressed spring covered on screw rod is fixed in mounting base.
Further, the outer surface of the actuator body is disposed with torsion adjusting knob, and torsion adjusting knob is fixed on silkThe end of bar.
Further, it is disposed with self-lock rod between the actuator body and bottom plate, vertical peace is disposed in actuator bodyLoading board, the side of horizontal mounting plate and actuator body intracavity sidewall are respectively disposed with the identical self-locking slideway in path, self-lock rodOne end by the way that on the second shaft mounting base, the other end of self-lock rod is disposed with third shaft, the both ends difference of third shaftIt is placed in two self-locking slideways.
Further, the self-locking slideway includes free slideway, the first slideway and the second slideway, the lower port of free slidewayClosing, the upper port of free slideway are communicated with the entrance of the first slideway, and the outlet of the first slideway is sliding with second by stop zoneThe entrance in road communicates, and the outlet of the second slideway leads to middle part or the upper port of free slideway.
Further, molding bulge-structure is position limiting structure between first slideway and the second slideway, position limiting structureTop forms guide structure, and the region between guide structure and position limiting structure is stop zone.
Further, the position limiting structure has the third guide surface as side wall at the first chute inlet, third guide surfaceTowards free slideway upper port and be positioned above.
Further, the outer surface of the actuator body is disposed with the speed adjusting knob of control grating electromechanical output.
Further, handle is disposed in the actuator body.
The utility model has the advantages that present invention mounting plane scroll spring in actuator body, plane scroll spring is to driver sheetThe torsion of body abuts the side of roller bearing closely with the lower part of rocking chair, and no matter how rocking chair height of lower part when swinging becomesChange, roller bearing side can keep abutting with it；It can adjust the tensioning degree of plane scroll spring, by screw pair so as to adjust rollingAxis side abuts the normal pressure at place with rocking chair lower part, and then adjusts roller bearing side to the frictional force at the abutting of rocking chair lower part.This hairIt is bright easy to use, it can be widely applied to rocking chair technical field.
Embodiment one:
Rocking chair driving device can be placed in the lower section of rocking chair, including bottom plate 10 and actuator body 20, actuator body 20One end be disposed with driving mechanism, the other end of actuator body 20 is installed by first rotating shaft 41 and bottom plate 10, therefore, is passed throughAdjust drivers ontology 20 is rotated around first rotating shaft 41, can adjust the height of the driving mechanism of the other end.In the present embodiment, drivingThe torque force adjusting mechanism for adjusting its rotational angle is disposed in device ontology 20.41 place end of first rotating shaft is set as actuator body20 installation end, end where driving mechanism are the driving end of actuator body 20.
Driving mechanism includes motor control panel 34, grating electromechanical and the roller bearing 30 for driving rocking chair, and grating electromechanical is with bandThe mode of transmission drives roller bearing 30 to rotate, and the side of roller bearing 30 is the driving face with driving rocking chair friction.Actuator body 20Outer surface is disposed with the speed adjusting knob 31 of control grating electromechanical output, the i.e. adjustable roller bearing 30 of turn speed adjusting knob 31Revolving speed, so as to adjust the hunting frequency of rocking chair.
In the present embodiment, torque force adjusting mechanism includes plane scroll spring 42, adjusts ring 43 and screw pair, plane scroll42 sets of spring in first rotating shaft 41, first rotating shaft 41, which passes through, adjusts ring 43, one end of plane scroll spring 42 and first rotating shaft41 is fixed, and the other end and adjusting ring 43 of plane scroll spring 42 are fixed, and plane scroll spring 42 is by adjusting 43 pairs of ring drivingsDevice ontology 20 applies torsion.Plane scroll spring 42 applies the torsion being rotated up to actuator body 20, makes the side of roller bearing 30The arcwall face in face and rocking chair lower part fits closely, and since the active force that plane scroll spring 42 generates is elastic torsion,Therefore, when the height of the arcwall face of rocking chair lower part changes, under the action of elastic torsion, the height of roller bearing 30 can be therewithVariation, so that roller bearing 30 be made to be kept in contact with rocking chair lower part.
Screw pair using ball wire bar pair, screw pair include screw rod 44, cover moving member 45 on screw rod 44 andThe guide rail being arranged in parallel with screw rod 44, the axis of screw rod 44 and the axis antarafacial of first rotating shaft 41 are vertical.Moving member 45 is nutPart, moving member 45 is moved along guide rail, and in the present embodiment, the bayonet arrangement to match with guide rail, screw rod are formed on moving member 4544 can prevent moving member 45 from rotating with screw rod 44 during rotation drives moving member 45, through buckle structure.Adjust ring 43For lateral surface around being disposed with flexible piece 47, one end of flexible piece 47 is fixed on the lateral surface for adjusting ring 43, flexible piece 47 it is anotherEnd is fixed on moving member 45.And one end fixed with ring 43 is adjusted on flexible piece 47 is set as the circular starting of flexible piece 47It holds, the one end fixed on flexible piece 47 with moving member 45 is square to surrounding for destination terminal is surround around starting point to surround destination terminalTo contrary with 42 pairs of the plane scroll spring adjusting torsion of ring 43.Thus moving member 45 is by flexible piece 47 to plane scrollThe torsion of spring 42 has restriction effect, therefore by adjusting the position of moving member 45, it is right that plane scroll spring 42 can be adjustedThe torsion for adjusting ring 43 abuts the normal pressure at place with rocking chair lower part so as to adjust 30 side of roller bearing, and then adjusts therebetweenFrictional force.
In the present embodiment, flexible piece 47 is sheet metal flexible.
The outer surface of actuator body 20 is disposed with torsion adjusting knob 32, and torsion adjusting knob 32 is fixed on screw rod 44End marks two arrows for having and reducing on torsion adjusting knob 32.In the present embodiment, along augment direction turn torsionAdjusting knob 32 rotates screw rod 44, and then moving member 45 is driven to move down along guide rail, adjusts ring 43 and rotates with it, makesPlane scroll spring 42 is tightened in certain amplitude, to increase it to the torsion for adjusting ring 43, and then is increased axis side and is shakenNormal pressure at the abutting of chair lower part, can increase frictional force between the two, rocking chair can be accelerated to swing.Similarly, if along reduction sideTo turn torsion adjusting knob 32, plane scroll spring 42 can be relaxed in certain amplitude.
The upper and lower part of screw rod 44 is arranged with the mounting base 46 fixed with actuator body 20, and two mounting bases 46 are madeSupport when being rotated for screw rod 44, and the compressed spring covered on screw rod 44 is fixed in one of mounting base 46.This implementationIn example, compressed spring covers on the top of screw rod 44, and when torsion adjusting knob 32 is threaded to maximum along reduction direction, moving member 45 is movedIt moves to the top of screw rod 44 and is abutted with compressed spring, if torsion adjusting knob 32 passes through compression along augment direction turn at this timeThe elastic force of spring acts on, and moving member 45 can be pushed mobile.
In the present embodiment, it is disposed with self-lock rod 33 between actuator body 20 and bottom plate 10, is arranged in actuator body 20Have a horizontal mounting plate 54, the side of horizontal mounting plate 54 and 20 intracavity sidewall of actuator body be respectively disposed with path it is identical fromSlideway 50 is locked, one end of self-lock rod 33 is by the way that on the second shaft mounting base 10, the other end of self-lock rod 33 is disposed with third and turnsAxis 53, the both ends of third shaft 53 are individually positioned in two self-locking slideways 50.When rocking chair driving device is idle, pressable is drivenThe driving end of dynamic device ontology 20, is lockked in self-locking slideway 50 by self-lock rod 33, is attached to the driving end of actuator body 20On bottom plate 10, reduces occupied space, when needing, rocking chair driving device is placed on rocking chair lower part, again pressing driver ontology20 driving end is the self-locking of accessible self-lock rod 33, makes that end is driven to bounce, 30 side of roller bearing is abutted with rocking chair lower part.
Self-locking slideway 50 includes free slideway 55, the first slideway 51 and the second slideway 52, the lower port of free slideway 55Closing, the upper port of free slideway 55 are communicated with the entrance of the first slideway 51, and the outlet of the first slideway 51 passes through stop zone 56It is communicated with the entrance of the second slideway 52, the outlet of the second slideway 52 leads to middle part or the upper port of free slideway 55.
In the present embodiment, the outlet of the second slideway 52 leads to the upper port of free slideway 55.
Between first slideway 51 and the second slideway 52 molding bulge-structure be position limiting structure 570, position limiting structure 570 it is upperSide forms guide structure 580, and the region between guide structure 580 and position limiting structure 570 is stop zone 56；Position limiting structure570 upside has the first confined planes 571 and the second confined planes 572, what the first confined planes 571 and the second confined planes 572 were constitutedAngle is the second dog-ear of opening upwards, and the first confined planes 571 are tilted down from the outlet of the first slideway 51, the second confined planes572 are inclined upward to the entrance of the second slideway 52；Guide structure 580 has the first guide surface 581 and the second guide surface 582, theThe angle that one guide surface 581 and the second guide surface 582 are constituted is the first dog-ear of opening upwards, and the first guide surface 581 is close to theThe outlet of one slideway 51, entrance of second guide surface 582 close to the second slideway 52.
When rocking chair driving device is when driving rocking chair, the third shaft 53 on self-lock rod 33 is located in free slideway 55, andIt is moved up and down in free slideway 55, does not enter stop zone 56.Hereafter, to pack up rocking chair driving device, i.e., downwardsPressing driving end is primary, and third shaft 53 enters the first slideway 51 from free slideway 55, pushes up when user perceives third shaft 53The firmly top of the first slideway 51 illustrates that third shaft 53 is moved to the outlet of the first slideway 51, can loose one's grip, in plane scrollUnder the twisting force of spring 42, driving end has the trend popped up, and then third shaft 53 enters stop zone 56, and edgeFirst guide surface 581 is moved at the second dog-ear, and the side of third shaft 53 has downward active force to position limiting structure 570,I.e. to driving end have downward active force, can 42 torsion of balancing plane scroll spring to driving end generate pop up becomeGesture, to realize self-locking.To reuse rocking chair driving device, i.e., pressing driving end is primary still further below, 53 edge of third shaftSecond guide surface 582 is detached from stop zone 56, is moved to the entrance of the second slideway 52, withstands when user perceives third shaft 53The top of second slideway 52, can loose one's grip, and under the twisting force of plane scroll spring 42, driving end is popped up, and third turnsAxis 53 moves along the second slideway 52 and enters free skating road 55, to realize unlock.
In the present embodiment, the vertex of the first dog-ear is close to the outlet of the first slideway 51, and the vertex of the second dog-ear is close to secondThe entrance of slideway 52, in this way at second of pressing driving end, third shaft 53 will not return to first along the first guide surface 581Slideway 51, and the second slideway 52 can only be entered along the second guide surface 582.
In the present embodiment, position limiting structure 570 has the third guide surface 573 as 51 inlet side wall of the first slideway, theThree guide surfaces 573 are inclined surface, third guide surface 573 towards free slideway 55 upper port and be positioned above, therefore theUnder the guidance of three guide surfaces 573, third shaft 53 can only enter the first slideway 51 in the outlet of free slideway 55.
In the present embodiment, it is disposed with handle in actuator body 20, moves rocking chair driving device convenient for mentioning.