CN2584055Y - Driving device of children swing - Google Patents

Abstract

The utility model relates to a driving device of a child swing, which comprises a body, a driving unit, an actuating wheel, a swing member and a driving member. The utility model is characterized in that the driving unit is fixedly arranged in the body, and is provided with a worm output shaft which drives the actuating wheel in an engaging mode, and a convex shaft is arranged on the actuating wheel and can be sheathed in a guide groove of the driving member to actuate the driving member to deflect and swing. The swing member is provided with a transmission shaft, and an elastic member with an iron wire strip shape is inlaid on the driving member. The elastic member is provided with two push ends which can elastically push against the swing member to drive the transmission shaft to rotate and push an outside swing frame. Therefore, the actions are reliable and the assembly is easy to replace.

Description

The drive unit of child swing

(1) technical field

The utility model relates to a kind of child swing, particularly relates to a kind of drive unit of child swing.

(2) background technology

See also shown in Figure 1, general electrodynamic type child swing mainly is that activity is articulated with a swing rack 2 above two support bars 1, this place, swing rack 2 belows is equipped with a seat 3, and support bar 1 upper end expands and is provided with a housing 4, the inside of this housing 4 can be for installing one drive unit 10, this drive unit 10 can drive this swing rack 2 and make the swing motion that swings after being subjected to electric power and turning.

See also shown in Figure 2, the above-mentioned drive unit 10 main members of forming include a driver element 11, one power transmission shaft 12, one wobble-member 13 and two flexible members 14, this driver element 11 is fixedly arranged on housing 4 inside, it is stretched and is provided with a crank 111, after driver element 11 is subjected to electric power and turns, can drive this crank 111 turns round, this power transmission shaft 12 laterally is located in housing 4 inside, the one end stretch through out housing 4 the outside and be connected moving with a rocking bar joint 15 cover, this rocking bar joint 15 can be for fixing with swing rack 2 upper end interlockings, these wobble-member 13 upper ends have a croze hole 131, can overlap bolt is fixed on power transmission shaft 12 1 bolt jointing parts 121, its place, below offers one and slightly is elliptoid fenestra 132, crank 111 can be extended in the fenestra 132 to turn round, two flexible members 14 all are extension springs, the one end is fixed on the dual-side place of wobble-member 13 respectively with a screw 16 interlockings, the other end then connects jointly and is located on this crank 111, overlapping solid two clasps 17 on the crank 111 again gives spacing, like this, when crank 111 is rotating, wobble-member 13 a wherein end can be subjected to the springing drawing of this flexible member 14, and wobble-member 13 is laterally swung together with power transmission shaft 12, like this, this power transmission shaft 12 just can drive this rocking bar joint 15, and allows whole swing rack 2 make the swing motion that swings.

Above-mentioned drive unit 10 really can be by electric power to drive the function of swing rack 2 swings, but but still has improvable space in the use, turning of general drive unit 10 mainly is to drive two flexible members 14 by crank 111, two flexible members 14 drive wobble-member 13 drawings again, using a segment length after the time, this flexible member 14 may produce the phenomenon of elastic fatigue, therefore need regularly be changed, two flexible members 14 need be disassembled screw 16 and clasp 17 when changing, replace with quite inconvenient, in addition, this wobble-member 13 is subjected to the drawing gravitation of flexible member 14 and swings, because this flexible member 14 is the object of compressible distortion, the transmission of crank 111 is subjected to its buffering influence, can reduce the driving force to wobble-member 13 significantly, make this swing rack 2 under the situation of bearing a heavy burden, its action that swings can make us dragging motionless sensation.

(3) utility model content

The utility model purpose is to provide a kind of assembly drive unit of child swing easily that drives reliably and change.

The drive unit of child swing of the present utility model, include a body, one driver element, one motor wheel, one wobble-member and an actuator, be characterized in: the recessed sky of this body interior is formed with a room, body is positioned at place, room top and is concaved with an axle bed, this driver element is fixedly arranged on pre-position in the body room, its lateral extensometer sets out an output shaft with worm screw section, the rotatable earth's axis of this motor wheel is located in the body room, and be positioned at the place, below of driver element, its periphery have gear teeth can with the output shaft engaged transmission, its end face one side edge also is provided with a protruding axle, this wobble-member upper end is equipped with a power transmission shaft, this power transmission shaft one end axle is put on this axle bed, and the basis that stretches through out is external to be done affixed with a rocking bar joint, the wobble-member below is positioned at left and right sides Bian Chu and convexes with two to post, this actuator overlaps pivot rotationally on this power transmission shaft, its place, below vertically offers a guide groove, this guide groove can be gone into for this protruding axle sleeve, make motor wheel can drive the actuator swing, laterally be equipped with an elastic component on this actuator, this elastic component has two flexible promote-sides, and two promote-sides can push against two of this wobble-member respectively and support post, laterally swing so as to this power transmission shaft of start.

(4) description of drawings

Be elaborated below by preferred embodiment and accompanying drawing drive unit to the utility model child swing, in the accompanying drawing:

Fig. 1 is the combination stereogram of normal children's swing, illustrates that it is provided with a drive unit at two post uppers, to drive the situation of swing rack swing.

Fig. 2 is the exploded perspective view of normal children's swing drive unit, illustrates that it comprises a driver element, a power transmission shaft, a wobble-member and two flexible members, and this driver element drives two flexible members are done swing with the drawing wobble-member situation.

Fig. 3 is the combination stereogram of a preferred embodiment of the drive unit of the utility model child swing.

Fig. 4 is the exploded perspective view of the foregoing description, illustrates that it includes the decomposition situation of a body, a driver element, a motor wheel, a wobble-member and an actuator.

Fig. 5 is the assembled sectional view of the foregoing description, illustrates that each composition element is installed in the position that concerns of body interior.

Fig. 6 is the constitutional diagram of the foregoing description, and the continuous action relation of this motor wheel and actuator is described.

Fig. 7 is the constitutional diagram of the foregoing description, and the continuous action relation of this actuator and wobble-member is described.

Fig. 8 is the action diagram of the foregoing description, illustrate this actuator one guide groove be subjected to the protruding axle of motor wheel one roll to, drive the situation that an elastic component swings to the right.

Fig. 9 is the action diagram of the foregoing description, illustrates that this wobble-member left side one is subjected to the elastic component pushing and pressing to post, swings wobble-member to the right, and makes the situation of power transmission shaft to dextrorotation one angle.

Figure 10 is the action diagram of the foregoing description, illustrates that this actuator is subjected to the motor wheel interlock, drives the situation that this elastic component swings left.

Figure 11 is the action diagram of the foregoing description, illustrates that this wobble-member right side one is subjected to the elastic component pushing and pressing to post, swings wobble-member left, and makes the situation of power transmission shaft to a left-handed angle.

(5) specific embodiment

See also Fig. 3, shown in Figure 4, the drive unit of the utility model child swing is to be installed in post upper to do oscillating motion so as to driving swing rack, because parts such as support bar and swing rack have belonged to general technology, just no longer add to give unnecessary details at this, the utility model mainly improves emphasis and includes a body 20, a driver element 30, a motor wheel 40, a wobble-member 50 and an actuator 60, wherein:

This body 20, it is mainly by 201 involutory compositions of two housings, its place, below is equipped with two jacks 21, can supply support bar (scheming not shown) to penetrate grafting, its inner recessed sky is formed with a room 202, the place, below that is positioned at room 202 is provided with a battery tray 22, can insert several batteries so that power source to be provided, the place, top of room 202 is concaved with an axle bed 23, be inserted in a bearing 24 in this axle bed 23, be provided with a motor seat 25 in the middle of battery tray 22 and the axle bed 23, the dual-side place of this motor seat 25 is concaved with two screws 251, and contiguous motor seat 25 side places convex with a jack-post 26 in addition.

This driver element 30, in the present embodiment, include an electro-motor 31 and a gland 32, this electro-motor 31 is at this gland 32 of periphery cuff, both sides interlocking two screws 321 of this gland 32 are screwed in the screw 251 of motor seat 25, electro-motor 31 is fixed on this motor seat 25, and these electro-motor 31 transverse directions are stretched and are established an output shaft 311 with worm screw section, but this output shaft 311 of input electric power start turns round.

This motor wheel 40, please be simultaneously referring to Fig. 5, in the present embodiment, this motor wheel 40 is a kind of structure of worm gear, its centre is established an axis hole 41 and can be supplied this jack-post 26 be inserted in, motor wheel 40 can be rotated on jack-post 26, this motor wheel 40 is positioned at the place, below of driver element 30, its periphery has gear teeth 42, just can with these output shaft 311 engaged transmission, utilize the drive structure of this kind worm and gear, make motor wheel 40 have general deceleration effect to strengthen torsion, a side edge convexes with a screw hole column 43 on these motor wheel 40 end faces, axle is provided with a protruding axle 44 on this screw hole column 43, after this protruding axle 44 penetrated a screw 45, this screw 45 was screwed in screw hole column 43 again, made this protruding axle 44 be the state that can pivot.

This wobble-member 50, include a power transmission shaft 51 and a fanning strip 52, this power transmission shaft 51 is integrally formed at fanning strip 52 upper ends, its two ends are erected on body 20 axle beds 23, can be inserted in movable pivot the in the bearing 24, power transmission shaft 51 shafts are concaved with an embedding ditch 511 in the pre-position, can embed for C shape button 53, so as to spacing following actuator 60, and the power transmission shaft 51 1 ends outer spigots 512 that are formed with of body 20 that stretch through out, this spigot 512 can be made the cover bolt with a rocking bar joint 15 and fix, this rocking bar joint 15 is to use as accepting swing rack, this place, fanning strip 52 belows offers an oval fenestra 521, convexes with two to post 522 and be positioned at position, limit, fenestra 521 left and right sides.

This actuator 60, please be simultaneously referring to Fig. 6, shown in Figure 7, its top has a tubing string 61, being equipped with a trepanning 611 on this tubing string 61 can be inserted in for power transmission shaft 51, the place, below of actuator 60 vertically offers a guide groove 62, this guide groove 62 can be inserted in slide guide for this protruding axle 44, this actuator 60 is subjected to motor wheel 40 drivings and can does rotation whereby, actuator 60 is positioned at place, guide groove 62 tops and convexes with a scarfing seat 63, these scarfing seat 63 lower rim wall places also are concaved with a septal fossula 631, this actuator 60 is positioned at guide groove 62 left and right sides Bian Chu and convexes with two limited blocks 64, can be equipped with an elastic component 65 on this scarfing seat 63 and the limited block 64, in the present embodiment, this elastic component 65 is the iron wire body of rod that is elongate, its centre is formed with a recessed turn of bilge 651, these recessed turn of bilge 651 upper limbs can be embedded in the septal fossula 631 of scarfing seat 63, lower edge then can snap in two limited blocks 64, can end this elastic component 65 so surely on actuator 60, this elastic component 65 extends to both sides and has two flexible promote-sides 652, post 522 middle some distance are a little supported with two of wobble-member 50 in two promote-sides 652, but when actuator 60 when doing the rotation displacement, post 522 can be supported to two respectively in two promote-sides 652 make butted contact.

More than be the general introduction of the be associated structure and the position of the drive unit primary clustering of the utility model child swing, then, the effect that rocking action of the present utility model and expection can be reached is described as follows again:

The user is if when allowing the utility model carry out the swing oscillating motion, at first turn on the power switch, after this motor wheel 40 is subjected to electro-motor 31 and turns, its protruding axle 44 can rotate on 360 degree ground, make protruding axle 44 the guide groove 62 of actuator 60 in, roll to, see also shown in Figure 8, when rotating to right edge for protruding 44, can guide actuator 60 and swing to the right, the elastic component 65 on the related actuator 60 is also with its swing to the right.

See also shown in Figure 9, at this moment, this promote-side, elastic component 65 left side 652 just can touch arrive to that wobble-member 50 is positioned at the left side support post 522, this fanning strip 52 is subjected to rotation to the right under elastic component 65 pushing and pressing, one drives this power transmission shaft 51 turn to the right one angle whereby.

See also shown in Figure 10ly, in like manner, when protruding axle 44 rotates to the limit, left side, can drive actuator 60 and swing left, and make this elastic component 65 also together with swing left.

See also shown in Figure 11ly, under the state of elastic component 65 swing left, what its promote-side, right side 652 can push against that wobble-member 50 is positioned at the right supports post 522, and makes this fanning strip 52 rotation left, and drives this power transmission shaft 51 turn left one angle.

Whereby, wobble-member 50 is subjected to elastic component 65 1 the first from left right sides and promotes repeatedly, and this action shaft 51 just can drive this rocking bar joint 15 and laterally swing, and the action that outside swing rack is played on a swing.

The drive unit of the utility model child swing, it mainly is to do an improvement for the disappearance that solves general drive unit flexible member 14, the employed technological means of the utility model is to utilize the elastic component 65 of iron wire strip to replace spring element, the structure of this elastic component 65 is quite simple, its central authorities have a recessed turn of bilge 651, can press easily in the scarfing seat 63 and limited block 64 of actuator 60, considerably quick and convenient on installing and dismantling, in addition, this actuator 60 is directly to be subjected to motor wheel 40 protruding axles 44 to turn, its action that swings is quite reliable, and these elastic component 65 both sides have two promote-sides 652, different with general flexible member 14 is, this promote-side 652 is to drive this wobble-member 50 in the pushing and pressing mode, this promote-side 652 has suitable stiff and transmits strength reliably, makes the utility model have the stable effect that promotes smoothly to swing rack.

Claims (3)

1. the drive unit of a child swing is characterized in that, comprising:

One body, its inner recessed sky is formed with a room, and body is positioned at place, room top and is concaved with an axle bed;

One driver element is fixedly arranged on pre-position in the body room, and its lateral extensometer sets out an output shaft with worm screw section;

One motor wheel, the rotatable earth's axis is located in the body room, and is positioned at driver element below place, its periphery have gear teeth and with the output shaft engaged transmission, its end face one side edge also is provided with a protruding axle;

One wobble-member, its upper end is equipped with a power transmission shaft, and this power transmission shaft one end axle is put on this axle bed, and it is originally external affixed with a rocking bar joint to stretch through out, and the wobble-member below is positioned at left and right sides Bian Chu and convexes with two to post; And

One actuator, overlap pivot rotationally on this power transmission shaft, its place, below vertically offers a guide groove, this guide groove can be gone into for this protruding axle sleeve, make motor wheel can drive the actuator swing, laterally be equipped with an elastic component on this actuator, this elastic component has two flexible promote-sides, and two promote-sides can push against two of this wobble-member respectively and support post.

2. the drive unit of child swing as claimed in claim 1, it is characterized in that: this actuator is positioned at the top of guide slot place and is provided with a scarfing seat, this scarfing seat has a septal fossula, be positioned at place, the guide groove left and right sides and convex with two limited blocks, this elastic component centre is formed with a recessed turn of bilge, this recessed upper turn of bilge can embed this scarfing seat septal fossula, and lower edge then is subjected to two limited blocks to ending limit admittedly.

3. the drive unit of child swing as claimed in claim 1 is characterized in that: locate to offer an oval fenestra below this wobble-member.

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