CN2726445Y - Driving device for child swing - Google Patents

Abstract

The utility model discloses a driving device for the children swing, which comprises a body, a driving unit, a rocking unit, and an impelling unit. The utility model is characterized in that the rocking unit is provided with a transmission shaft whose upper end is penetrated with the body and two contacting poles which are arranged at both below sides. An elastic element is jointed connected below the impelling unit. The elastic element extends two supporting portions in both sides. The terminal ends of the two supporting portions return to the middle part, and two flexible open-ends are arranged. The two open-ends can be pushed and contacted with the two contacting poles respectively. Thereby the transmission shaft is pushed to drive the swing frame rocking to obtain purposes of that the unit replacement is easy and the rocking motion is smooth.

Description

The drive unit of child swing

Technical field

The utility model relates to a kind of child swing, relates to particularly that a kind of to have a rocking action smooth and easy and change the drive unit that assembly is easy to child swing.

Background technology

Referring to shown in Figure 1, general DYN dynamic 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, these housing 4 inside 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.

Referring to 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 to be fixedly arranged on housing 4 inside, it is stretched and is provided with a crank 111, can drive this crank 111 after driver element 11 is subjected to electric power and turns turns round, this power transmission shaft 12 laterally is located in housing 4 inside, the one end stretches through out housing 4 outsides and is connected moving with a rocking bar joint 15 work covers, this rocking bar joint 15 can be fixed as interlocking with swing rack 2 upper ends, 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 are extension spring, the one end is fixed on the dual-side place of wobble-member 13 respectively with a screw 16 interlockings, end then connects jointly and is located on this crank 111 in addition, overlapping solid two clasps 17 on the crank 111 again gives spacing, so, 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, so, this power transmission shaft 12 can drive this rocking bar joint 15 and make whole swing rack 2 do the swing motion that swings.

Above-mentioned drive unit 10 can have the function that drives swing rack 2 swings really by electric power; but still has improvable space in the use; turning of general drive unit 10 is to utilize crank 111 to drive two flexible members 14; relend by the drawing effect of 14 pairs of wobble-members 13 of two flexible members and drive; 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; during replacement cost and inconvenience; 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 power to wobble-member 13 significantly, make this swing rack 2 under the situation of bearing a heavy burden, motionless sensation is made us dragging by its action regular meeting that swings.

The utility model content

The utility model purpose is to provide a kind of rocking action smooth and easy and change the drive unit that assembly is easy to child swing.

The utility model provides a kind of drive unit of child swing, it includes a body, one is arranged on the driver element of body interior, one upper shaft is located at the swing unit of movable rotation in the body, and one accept the driver element interlock and can act on the pushing unit that swing unit carries out oscillating motion, it is characterized in that: this swing unit has the power transmission shaft that a wobble-member and is fixed in the wobble-member upper end, this place, the left and right sides, wobble-member below has two and supports post, this power transmission shaft one end stretches through out outside the body, this pushing unit has a movable sleeve pivot and is embedded elastic component below impeller at the impeller on the power transmission shaft and, this impeller has a drive division can make the fit interlock with driver element, this elastic component has laterally extended two support portions to both sides, two support portion ends back middle part again are extended with the flexible free end of two tools, two free ends can support post to two of this wobble-member respectively and suppress contact, use driving the reciprocal swing of this power transmission shaft.

The utility model swing rack can produce stablizes again rocking action smoothly, and unit replacement is easy.

Description of drawings

Be elaborated below by most 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 establishes 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 bullets unit assembly;

Fig. 3 is the exploded perspective view of drive unit one preferred embodiment of the utility model child swing, and the decomposition situation that includes a body, a driver element, a swing unit and a pushing unit is described;

Fig. 4 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. 5 is the constitutional diagram of the foregoing description, and the continuous action relation of this motor wheel and impeller is described;

Fig. 6 is the constitutional diagram of the foregoing description, and the continuous action relation of this impeller, elastic component and wobble-member is described;

Fig. 7 is the action diagram of the foregoing description, illustrates that this impeller is subjected to motor wheel and turns down, drives the situation that elastic component swings to the right;

Fig. 8 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, and wobble-member is swung to the right, rotates the situation of an angle to counter clockwise direction with seasonal power transmission shaft;

Fig. 9 is the action diagram of the foregoing description, illustrates that this impeller is subjected to motor wheel and turns down, drives the situation that this elastic component swings left; And

Figure 10 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, and wobble-member is swung left, rotates the situation of an angle to clockwise direction with seasonal power transmission shaft.

The specific embodiment

Aforementioned and other technology contents, characteristics and effect about the utility model in the following detailed description that cooperates with reference to a graphic preferred embodiment, can clearly present.

Referring to Fig. 3, shown in Figure 4, the drive unit of the utility model child swing is in a preferred embodiment, consist predominantly of swing unit 40, that driver element 30, a upper shaft that a body 20, is arranged on body 20 inside be located at movable rotations in the body 20 accept driver element 30 interlocks can act on pushing unit 50 and that swing unit 40 carries out oscillating motion be hubbed on body 20 outsides and with the rocking bar joint 60 of the affixed interlock of a swing rack (figure does not show), then, again the shape of above-mentioned each assembly and combination situations are specified in after.

This body 20 is by two caps 201,202 involutory compositions, respectively has a jack 21 before and after its place, below, can supply a support bar (figure does not show) to insert fixing, body 20 inner recessed skies are formed with a room 22, this cap 202 is positioned at place, room 22 belows and has a battery tray 23, can be for inserting several batteries so that power source to be provided, this cap 201 is positioned at place, room 22 tops and is provided with one first axle bed 24, this cap 202 is positioned at place, room 22 tops and is provided with one second axle bed 25 relatively, second axle bed, 25 inside also are arranged with a bearing 251, this cap 202 is provided with a motor seat 26 in the middle of being positioned at the battery tray 23 and second axle bed 25 in addition, these motor seat 26 dual-side places have two screw hole columns 261,26 1 side places convex with a jack-post 27 in addition near the motor seat, these cap 202 outsides have a seat surface 28 corresponding to second axle bed, 25 positions, just can be provided with for this rocking bar joint 60.

This driver element 30 includes an electro-motor 31, one gland 32, two screws 33 and a motor wheel 34, this electro-motor 31 has an output shaft 311 that is the worm screw section, but this output shaft 311 of input electric power start turns round, these gland 32 cuffs are in electro-motor 31 peripheries, its both sides can penetrate for two screws 33 and be screwed onto two screw hole columns 261, electro-motor 31 is fixed on the motor seat 26, this motor wheel 34 is the wrom tooth wheel construction, its centre has an axis hole 341 can be inserted in movable axis commentaries on classics on jack-post 27, its periphery has gear teeth 342 and just does the bridle joint transmission with output shaft 311, utilize the drive structure of this kind worm and gear, make motor wheel 34 have general deceleration effect strengthening torsion, these motor wheel 34 end faces are arranged with the roller bearing 343 that can do lift-over in addition in a side edge.

This swing unit 40 includes a power transmission shaft 41 and a wobble-member 42, this power transmission shaft 41 is that one wears and is fixed on wobble-member 42 upper ends, its two ends mount respectively first, second axle bed 24, in 25 and movable pivot, power transmission shaft 41 outsides one end is inserted in bearing 251 and stretches out outside the body 20, and form a spigot 411, this spigot 411 can overlap in the bolt mouth 61 that bolt is fixed on rocking bar joint 60, make power transmission shaft 41 and rocking bar joint 60 make affixed interlock shape, this wobble-member 42 is the plate bodys that slightly are fan shape, its place, below offers an oval fenestra 421, convex with two and support post 422, two and support post 422 and all be formed with a spacing edge 4221 and be positioned at position, limit, fenestra 421 left and right sides at the place, outer end.

Referring to Fig. 3, Fig. 5 and shown in Figure 6, this pushing unit 50 includes a movable sleeve pivot and is embedded elastic component 52 below impeller 51 at the impeller on the power transmission shaft 41 51 and, these impeller 51 tops have a tubing string 511, this tubing string 511 has a trepanning 5111 and can be inserted in for power transmission shaft 41, impeller 51 centre vertically offer the roller bearing 343 that a guide groove 512 can be made for driving wheel 34 and are inserted in, place, impeller 51 belows more convexes with a scarfing seat 513 and two limited blocks 514, these scarfing seat 513 lower rim wall places also have a septal fossula 5131, just can pull fixing for these elastic component 52 embeddings, in the present embodiment, this elastic component 52 is the iron wire bodies of rod that are elongate, its centre is formed with a recessed turn of bilge 521 can be embedded in scarfing seat 513 septal fossulas 5131, lower edge then can fasten on two limited blocks 514, so can be fixed on the impeller 51 by spacing this elastic component 52, this elastic component 52 has laterally extended two support portions 522 to both sides, being positioned at 522 ends, two support portions more becomes to have two can support the limiting section 523 that post 422 is made block to this to recessed bending, can place restrictions on impeller 51 whereby in the middle of the process of waving, two support the scope that post 422 can not detach elastic component 52 starts, then be extended with the flexible free end of two tools 524 by two limiting sections, 523 back middle parts again, two free ends 524 can support post 422 to two of wobble-member 42 respectively and do butted contact, and free end 524 is subjected to spacing edge 4221 retainings and supports and can not deviate to post 422 outsides.

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, again the effect statement that rocking action of the present utility model and expection can be reached as after:

When allowing the utility model start use, at first to turn on the power switch, electro-motor 31 just can turn this motor wheel 34 and do circumference 360 degree rotations, referring to shown in Figure 7, when motor wheel 34 when rotated, its roller bearing 343 can in the guide groove 512 of impeller 51, roll to, when roller bearing 343 rotates to right edge, can guide impeller 51 swing of turning right, elastic component 52 on related this impeller 51 is also along with swing to the right, at this moment, the free end 524 in elastic component 52 left sides just can suppress touch arrive to that wobble-member 42 is positioned at the left side support post 422, the rotation to the right under the pushing and pressing that are subjected to elastic component 52 of this wobble-member 42, but one drives this power transmission shaft 41 to counterclockwise revolving an angle partially, as shown in Figure 8 whereby.

Referring to shown in Figure 9, in like manner, when the roller bearing 343 of motor wheel 34 rotates to leftward position, can drive impeller 51 and swing left, and make this elastic component 52 also together with swing left, this elastic component 52 is under the state of swing left, what its right side free end 524 can push against that wobble-member 42 is positioned at the right supports post 422, and make this wobble-member 42 rotation left, and drive this power transmission shaft 41 and revolve an angle partially to clockwise direction, as shown in figure 10.

Be subjected to elastic component 52 via above-mentioned wobble-member 42 and back and forth promote down, this power transmission shaft 41 can order about promotion rocking bar joint 60 and swing, and so can make the swing rack that joins with rocking bar joint 60 reach the action effect of playing on a swing.

The drive unit of the utility model child swing mainly is to do an improvement for the disappearance that solves general drive unit 10 flexible members, 14 transmissions and replacing function, the technological means that the utility model uses is to utilize iron wire to bend to the elastic component 52 of reservation shape, use and replace general flexible member 14, the structure of this elastic component 52 is quite simple, the recessed turn of bilge 521 of its central authorities can press in the scarfing seat 513 and limited block 514 of impeller 51 easily, considerably quick and convenient on installing and dismantling, in addition, this impeller 51 is directly to be subjected to motor wheel 34 roller bearings 343 to turn, therefore rocking-turn action quite stable is certain, and elastic component 52 is to utilize 524 pairs of wobble-members 42 of two free ends to drive, different with tradition is, this free end 524 is to drive this wobble-member 42 in the mode that pushing and pressing contact, it has the push-jump strength that suitable stiff can positively be transmitted impeller 51, allow outside swing rack can obtain certain transmission effect, this free end 524 also has the quite flexible buffering that can be used as simultaneously, allow the rocking action of swing rack be unlikely too inflexible, so the utility model can produce stable rocking action smoothly again by swing rack.

Claims (3)

1, a kind of drive unit of child swing, it includes driver element, a upper shaft that a body, is arranged on body interior and is located in the body swing unit and of movable rotation and accepts the driver element interlock and can act on the pushing unit that swing unit carries out oscillating motion, it is characterized in that:

This swing unit has the power transmission shaft that a wobble-member and is fixed in the wobble-member upper end, and this place, the left and right sides, wobble-member below has two and supports post, and this power transmission shaft one end stretches through out outside the body; And

This pushing unit, have a movable sleeve pivot and be embedded elastic component below impeller at the impeller on the power transmission shaft and, this impeller has a drive division can make the fit interlock with driver element, this elastic component has laterally extended two support portions to both sides, two support portion ends back middle part again are extended with the flexible free end of two tools, and two free ends can support post to two of wobble-member respectively and suppress contact.

2. the drive unit of child swing as claimed in claim 1 is characterized in that: this elastic component is positioned at that the end, support portion is more recessed curvedly to be formed with one and can to support the limiting section that post be made block to this.

3. the drive unit of child swing as claimed in claim 1 is characterized in that: this wobble-member two support place, post outer end have more one can be for the spacing edge of block elastic component.

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