CN201101324Y - Rocking chair for children - Google Patents

Abstract

The utility model provides an infant's rocking chair contains: a seat, a base and a swing mechanism; the baby rocking chair also comprises a supporting unit which supports the seat above the base, the base comprises a first shell and a second shell which are arranged at two sides of the supporting unit at intervals, and the swinging mechanism comprises two swinging rod groups, two connecting rods and a driving device. The swinging rod groups are arranged in tandem at intervals and respectively comprise two swinging rods which are respectively pivoted in the first shell and the second shell, and the pivoting part of each swinging rod and the base is used as a swinging fulcrum. The connecting rod extends left and right and is combined with the supporting unit, and is provided with a first end part and a second end part which are respectively pivoted with the two swinging rods. The driving device enables the swing rod to synchronously swing by taking the swing fulcrum as an axis, and drives the connecting rod, the supporting unit and the seat to swing in a reciprocating manner relative to the base.

Description

baby rocking chair

technical field

The utility model relates to a rocking chair for infants, in particular to a rocking chair for infants with a swing mechanism arranged inside the base of the rocking chair and enabling the seat to swing back and forth while maintaining a fixed angle.

Background technique

Generally, the baby rocking chair can be used for children to sit on the seat and swing forward, back to the middle and down, and back up, and the swing trajectory is arc-shaped. However, in the case of the infant rocking chair disclosed in U.S. Patent No. 6,702,685, the angle between the seat and the ground produces a positive angle-parallel ground-negative angle along with the arc swing process, and then returns to parallel from the negative angle. Ground-positive angle change.

For some children, the seat of this type of baby rocking chair, because their body and head are reclining-tilting-upright during the swing process, they will feel uncomfortable when riding, and even the neck changes according to the angle of the body. to make undue force.

In addition, there is also a baby rocking chair disclosed in US Patent Early Publication No. US2002/0113469, which is mainly composed of a base, a seat that swings relative to the base, and a driving device. The base is provided with an arc track. The seat slides back and forth along the track through the rollers at the bottom. The previous project used rollers to move on the track, and the motor needed to push the seat and the child on it. The motor required a large driving force, high power consumption, and the noise generated by the friction of the rollers moving on the track was relatively large. Therefore it is necessary to find another solution to overcome or avoid problems such as above-mentioned discomfort and noise as much as possible.

Utility model content

The purpose of the present utility model is to provide a rocking chair for infants that keeps the seat at a fixed angle and swings back and forth.

Another object of the present utility model is to provide a baby rocking chair with simple structure and stable structure.

Therefore, the baby rocking chair of the present utility model includes: a seat, a base and a swing mechanism; the baby rocking chair also includes a support unit supporting the seat above the base, and the base includes a A first shell and a second shell on two sides, and the swing mechanism includes: two swing lever sets, two connecting lever sets and a driving device.

The two swing lever groups are spaced one behind the other, each swing lever group includes two swing levers pivotally arranged inside the first shell and the second shell, and the pivot joint between each swing lever and the corresponding shell serves as its pivot point. The two connecting rod groups are arranged at intervals one after the other corresponding to the two swing rod groups. Each connecting rod group can be a single connecting rod extending left and right and combined with the support unit, and has a connecting rod body, a first end and a second end, the first end, the second end Each part is connected with the corresponding swing rod away from its swing fulcrum; it can also be that the two branches are separated from each other but respectively connected between one of the swing rod and the support unit, and between the other swing rod and the support unit.

The driving device makes the swing rod synchronously swing with its swing fulcrum as the axis, and the two connecting rod groups are displaced on a swing track along with the swing rod.

Preferably, each connecting rod group of the swing mechanism is a single swing rod, the middle section of the body is connected to the support unit, and the two ends respectively penetrate into the first shell and the second shell; the first shell, the The opposite side of the second shell corresponds to the insertion part of the connecting rod, and each is provided with a pair of arc-shaped slide grooves corresponding to the swinging track of the connecting rod, for the connecting rod to slide therein.

Preferably, the support unit includes a support seat and an inverted T-shaped support piece fitted inside the support seat and connecting the middle sections of the two connecting rod bodies. The support base is used for connecting rods to pass through and fix; the supporting member includes a horizontal section extending forward and backward and connecting the middle sections of the two connecting rod bodies, and an upright section extending upward from the center of the horizontal section, and the top end of the upright section is convex. Stretch out this supporting seat and be fixedly connected with this seat. Preferably, the support member is welded to the two connecting rods.

Preferably, the seat includes a U-shaped underframe whose middle section is fixedly connected to the top end of the support member, and a seat body erected on the U-shaped underframe. The seat body includes a ring-shaped seat frame assembled between the free ends of the two arms of the U-shaped base frame, and a seat portion laid on the seat frame.

Preferably, the base further includes an annular foot connecting the bottom of the first shell and the second shell to enhance stability.

Preferably, an assembly is installed on the end of each swing rod far away from the swing fulcrum, and the assembly is provided with a through hole penetrating left and right for one of the first end and the second end of the connecting rod to pass through. Pivot mounted. The diameter of the first end of the connecting rod and the diameter of the second end are smaller than the diameter of the connecting rod body, and the diameter of the perforation is sufficient for the first end or the second end of the connecting rod to pass through it, but less than The diameter of the connecting rod body; the first end and the second end are respectively provided with a positioning hole penetrating along its diameter, and when the corresponding end of the connecting rod passes through the through hole of the assembly, the positioning hole is located The outer side of the assembly; the swing mechanism also includes a plurality of bent positioning clips, each positioning clip includes a straight first section for passing through the positioning hole, and a straight section from the first section head end A second section extending inflected and partially encircling the connecting rod. The swing mechanism also includes a plurality of metal washers, each of which is used for passing through the corresponding end of the connecting rod, and is clamped between the assembly part and the positioning clip.

Preferably, the swing levers are respectively pivoted inside the corresponding housing through a pin; the driving device drives the pin of one of the swing levers to rotate, and drives all the swing levers to swing synchronously.

The utility model uses the pivotal design of the swing rod and the connecting rod, and the relatively fixed assembly design of the seat and the connecting rod, so that the seat maintains a fixed angle during the reciprocating swing relative to the base; and the swing rods are respectively installed on the first The inside of the shell and the second shell are very safe, balanced and stable.

Description of drawings

The following is a detailed description of the utility model baby rocking chair through preferred embodiments and accompanying drawings. In the accompanying drawings:

Fig. 1 is a perspective view of the appearance of a preferred embodiment of the rocking chair for children of the present invention.

Fig. 2 is a perspective view of the embodiment with the seat part removed.

Figure 3 is a schematic front view of the embodiment.

Fig. 4 is a schematic diagram similar to Fig. 3, illustrating the state of the seat swinging forward and upward relative to the base.

Fig. 5 is an exploded perspective view of the support seat and the swing mechanism of the embodiment.

Fig. 6 is a perspective view similar to Fig. 5, illustrating the internal structure of the support seat.

Fig. 7 is a perspective view from another perspective of the embodiment, illustrating the assembly relationship between the first shell, the second shell, the support seat and the connecting rod.

Fig. 8 is a perspective view from another perspective of the embodiment, illustrating the assembly relationship between the connecting rod, the swing rod and the driving device.

Fig. 9 is a schematic side view of the embodiment, illustrating the state where the seat and the support seat are located at the middle point of the swing.

Fig. 10 is a schematic diagram similar to Fig. 9, illustrating the state of the seat and the support base swinging forward and upward.

Fig. 11 is a schematic diagram similar to Fig. 9, illustrating the state of the seat and the support base swinging backward and upward.

Detailed ways

The foregoing and other technical contents, features and effects of the present invention will be clearly understood in the following detailed description of a preferred embodiment with reference to the drawings.

As shown in FIG. 1 and FIG. 2 , the baby rocking chair 100 of the present invention includes a seat 1 , a base 2 , a support unit, and a swing mechanism 3 and a driving device 4 as shown in FIG. 8 . The support unit includes a support base 5 and a support member 6 as shown in FIG. 6 . The swing mechanism 3 cooperates with the driving device 4 to control the swing of the support unit together with the seat 1 relative to the base 2 .

Seat 1 comprises a U-shaped chassis 10, and a seat body erected on the U-shaped chassis 10, the seat body includes a ring-shaped seat assembled between the free ends of the U-shaped chassis 10 two arms. Chair frame 11, and a seat portion 12 laid on the seat frame 11. The seat portion 12 is for the child to sit on, and the seat frame 11 is used to provide the support force for the seat portion 12 to maintain its shape. Seat frame 11 and U-shaped base frame 10 joint assembling place is provided with adjustment knob 13, for adjusting the seat angle, this part is not where the utility model is characterized, will not go into details here.

The base 2 includes a first shell 21 and a second shell 22 spaced apart from each other on both sides of the support seat 5, and an annular foot 23 surrounding and connecting the bottom of the first shell 21 and the second shell 22 to enhance stability. . The first shell 21 , the second shell 22 and the supporting seat 5 are all hollow, and the swing mechanism 3 and the driving device 4 are accommodated therein.

As shown in FIG. 5 , FIG. 6 , and FIG. 8 , the swing mechanism 3 of this embodiment includes two swing rod sets 301 , 302 with the same structure and spaced one behind the other, and two connecting rod sets. In this embodiment, each connecting rod group is a single connecting rod 32 extending left and right, with a connecting rod body 320, a first end 321 and a second end 322, and the support member 6 connects the middle sections of the two connecting rod bodies 320 . In this embodiment, four rectangular protrusions 24 are fixed on the top inner surfaces of the first shell 21 and the second shell 22, and the swing lever groups 301, 302 each include two one left and one right pivoted on the second pin 37. The first housing 21 and the swing rod 31 at the protrusion 24 in the second housing 22 , each swing rod 31 uses its pivot joint with the protrusion 24 as a swing fulcrum 30 .

The two connecting rods 32 correspond to the two swinging rod groups 301, 302 and are arranged one behind the other. The middle section of each connecting rod body 320 is fixed on the support seat 5, and the two ends are respectively pierced into the first casing 21 and the second casing. Inside the shell 22. The opposite sides of the first shell 21 and the second shell 22 correspond to the places where the two connecting rods 32 penetrate, and respectively offer an arc-shaped chute 25 (Fig. 7), that is, the first shell 21 and the second shell 22 are respectively provided with Two arc-shaped chute 25, its effect is described later. In detail, the diameters of the first end 321 and the second end 322 of each connecting rod 32 are smaller than the connecting rod body 320 , and are respectively pivotally connected to the corresponding swinging rod 31 away from its swinging fulcrum 30 .

The swing mechanism 3 of this embodiment also includes a plurality of bent positioning clips 35 and a plurality of metal washers 36 for positioning. Take the second end 322 of the connecting rod 32 in the front and the right swinging rod 31 of the swinging rod group 301 as an example in Fig. The member 34 defines a through hole 340 penetrating left and right. The diameter of the through hole 340 is sufficient for the second end 322 of the connecting rod 31 to pass therethrough, but smaller than the diameter of the connecting rod body 320 . The second end 322 is provided with a positioning hole 323 extending along its diameter. When the second end 322 extends through the through hole 340 of the assembly 34 , the inside of the assembly 34 abuts against the connecting rod body 320 and the second end. 322 junction, and the positioning hole 323 is located outside the assembly 34 . The positioning clamp 35 includes a straight first section 351 for passing through the positioning hole 323, and a first section 351 extending from the head end of the first section 351 and extending around the part of the surface of the connecting rod 32 (Fig. end 322 semicircle) of the second section 352. The washer 36 passes through the second end portion 322 of the connecting rod 32 and is sandwiched between the assembly part 34 and the positioning clip 35 . The other three swing rods 31 are pivotally connected to the connecting rod 32 in the same manner as above.

The connection and fixed relationship between the two connecting rods 32 and the seat 1 is through the supporting member 6 . The supporting member 6 is accommodated in the supporting seat 5 and is in an inverted T shape, including a horizontal section 61 extending forward and backward, and an upright section 62 extending upward from the center of the horizontal section 61 . The horizontal section 61 is fixedly connected with the two connecting rods 32, and the connection means can be any means such as welding. The top end of the upright section 62 protrudes from the support base 5 and is fixedly connected with the middle section of the U-shaped chassis 10 of the seat 1 . The upright section 62 protrudes from the support base 5 and can be covered and protected by a casing as shown in FIG. 2 , and its shape and covering form are not limited.

It is worth mentioning that the support unit of the present utility model may only include the support base 5 or only the support member 6; in the case of the former, the upper end of the support base 5 is connected to the seat 1, and the connecting rod 32 is provided near the lower end. Wearing and fixing, so that the purpose of the existence of the support unit can be achieved, and even, each connecting rod group may not be a single connecting rod 32, but two connecting rods extending from both sides of the supporting base 5, respectively connected to the corresponding The swing lever 31. In terms of the latter, the original support seat 5 is only regarded as a shell, and the upper end of the upright section 62 of the support member 6 is connected with the seat 1, and the horizontal section 61 is used for the two connecting rods 32 to pass through and fix, and the purpose of the existence of the support unit can also be achieved. .

The driving device 4 is used to drive the swing rod 31 to swing, and may be any existing device, such as a driving device composed of a combination of a motor and a plurality of gears. The driving device 4 of this embodiment is installed at the swing fulcrum 30 of the front and right swing levers 31, and is electrically connected with a switch 40 shown in FIG. 1 . In this embodiment, the connecting rod 32 and the support member 6 are welded and fixed, and the connecting rod 32 and the swing rod 31 are pivotally connected. When the switch 40 is activated, the driving device 4 can drive the pin 37 of the swing rod 31 to rotate and swing. Therefore, the rod 31 starts to swing, and the other swing rods 31 are driven to swing synchronously through the connecting rod 32 and the supporting member 6 .

As shown in Figures 7 and 9, when the swing rod 31 swings synchronously with its swing fulcrum 30 as the axis, the connecting rod 32 of this embodiment is fixed to the support seat 5 and welded to the support member 6 due to the relationship that It does not rotate itself during the swinging process with the swinging rod 31 (the angle with the horizontal plane does not change), but pivots relative to the swinging rod 31 . In addition, the utility model can also be designed as follows: the connecting rod 32 can pivot relative to the support member 6, and the connecting rod 32 and the swing rod 31 are fixedly connected (non-pivotally connected), then during the swing process, the connecting rod 32 follows the swing rod 31 changes the angle with the horizontal plane, but the support member 6 still maintains not to rotate, and the pivoting occurs between the connecting rod 32 and the support member 6, which can still drive the support seat 5 and the seat 1 to swing back and forth at a fixed angle.

The arc chute 25 on the opposite side of the aforementioned first shell 21 and second shell 22 has a shape and a position corresponding to the swing track of the connecting rod 32 so that the connecting rod 32 can move relative to the first shell 21 and the second shell. 22 swings in the arc chute 25, and the arc chute 25 also limits the swinging amplitude of the connecting rod 32. In addition, if each connecting rod group of the present utility model is not a single connecting rod as described in this embodiment, but two extending from both sides of the supporting base 5 are respectively connected to the corresponding swinging rod 31 connecting rods by the supporting base 5, Then the shape and position of the arc-shaped chute 25 are also corresponding to the swing tracks of the two connecting rod groups, for the two connecting rod groups to slide and be limited therein.

As shown in Fig. 4 and Fig. 10, when the swing rod 31 is driven to swing forward and the connecting rod 32 moves forward and upward on the swing track, the support base 5 and the seat 1 are driven by the connecting rod 32, and the whole does not rotate (that is, maintain a fixed angle with the ground) and then swing forward and upward. As shown in Fig. 3, Fig. 9 and Fig. 11, the swing rod 31 is driven and then reversely swings to the middle point and then continues to swing. Rotate and then swing back and up.

To sum up the above, the baby rocking chair 100 of the present invention makes the support seat 5 and the seat 1 It can swing back and forth relative to the first shell 21 and the second shell 22 of the base 2, and maintain a fixed angle during the swinging process; in addition, the rocking chair 100 of the utility model is designed with a swing rod 31 installed on the first shell 21 and the second shell respectively 22 inside, not only safe but also simple in structure and balanced firm, can really reach the purpose of the utility model!

Claims (14)

1. a children rocking chair comprises: a seat, a pedestal and a swing mechanism; It is characterized in that this children rocking chair also comprises one this seat is supported in the support unit of pedestal top, this pedestal comprises one first shell and one second shell that is located at interval at these support unit two sides; And this swing mechanism comprises:

Two swing arm groups, this two swing arms group one in front and one in back are provided with at interval, and each swing arm group comprises two swing arms that are hubbed at this first shell, this second shell respectively, and each swing arm is swung fulcrum with the articulated section of corresponding shell as it;

Two connecting rod groups, to should one in front and one in back being provided with at interval on two swing arm groups ground, each connecting rod group is connected with this support unit, and has a first end and a second end, and this first end, this second end are swung fulcrum place with corresponding swing arm away from it respectively and be connected; And

One drive unit connects one of them swing arm, and driving described swing arm serves as axle swing synchronously with its swing fulcrum, make this two connecting rods group with described swing arm at a swinging track top offset, see through this support unit and drive this pedestal swing relatively of this seat.

2. children rocking chair according to claim 1 is characterized in that, each connecting rod group is a single connecting rod, and also have one be connected with this first end, this second end one and about pass across the body of this support unit with extending.

3. children rocking chair according to claim 2 is characterized in that, the connecting rod body stage casing of this swing mechanism is arranged in this support unit and two ends and stretches through respectively and enter in this first shell, this second shell; The corresponding connecting rod perforating position of the opposite sides of this first shell, this second shell respectively offers the arc chute of a pair of swinging track that should connecting rod, for this connecting rod slippage wherein.

4. children rocking chair according to claim 2, it is characterized in that, this support unit comprises an inverted T-shaped support member, this support member comprises the extension of integrated front and back and connects the horizontal segment in this two connecting rods body stage casing, reach one from this upwardly extending vertical section of horizontal segment central authorities, this vertical section top is connected with this seat.

5. children rocking chair according to claim 1 is characterized in that, this seat comprises a U type underframe that is connected with this support unit with its body stage casing, and a seat body that is set up on this U type underframe.

6. children rocking chair according to claim 5 is characterized in that, this seat body comprises that one is assembled in the ring-like seat frame between these U type underframe two arm free ends, and a seat portion that is layed on this seat frame.

7. according to claim 2 or 4 described children rocking chairs, it is characterized in that this support unit comprises a supporting seat, wear for this two connecting rod.

8. children rocking chair according to claim 1 is characterized in that, the opposite sides of this first shell, this second shell, respectively offer two pairs should two connecting rod groups the arc chute of swinging track, for this two connecting rods group slippage wherein.

9. children rocking chair according to claim 1 is characterized in that, this connecting rod group is fixedlyed connected with this support unit, and this first end, this second end then are articulated with corresponding swing arm.

10. children rocking chair according to claim 1 is characterized in that, this pedestal comprises that also one connects this first shell, this second outer casing bottom and in order to add the annular footing of stiff stability.

11. children rocking chair according to claim 1, it is characterized in that, each swing arm is equipped with an assembly away from the end of this swing fulcrum, and this assembly is provided with the perforation that runs through about, and one of them wears the pivot dress for this first end of this connecting rod, this second end.

12. children rocking chair according to claim 11, it is characterized in that, the diameter of this first end of this connecting rod, the diameter of this second end are less than the diameter of connecting rod body, this first end or this second end that the aperture of this perforation is enough to for this connecting rod wear wherein, but less than the diameter of connecting rod body; This first end, this second end respectively are provided with a locating hole that runs through along its diameter, and when the corresponding end of this connecting rod was extended through the perforation of this assembly, this locating hole was positioned at the outside of this assembly; This swing mechanism also comprises the locating clips of a plurality of bending shapes, and each locating clip comprises one in order to being placed through this locating hole and being straight first section, and one from this first paragraph header end reflexed extend and part around second section of this connecting rod.

13. children rocking chair according to claim 12 is characterized in that, this swing mechanism also comprises a plurality of washers, and each washer is used for the corresponding end of this connecting rod and worn, and is located between this assembly and this locating clip.

14. children rocking chair according to claim 1 is characterized in that, described swing arm sees through the inside that a pin is hubbed at this first shell, this second shell respectively; This drive unit drives the wherein pin rotation of a swing arm, drives all swing arms and swings synchronously.

Images