CN116746782A - Five-rod driving device and children rocking chair - Google Patents

Abstract

The invention discloses a five-rod driving device and a children's rocking chair in the technical field of rocking chairs, and aims to solve the problems of monotonous swinging track and few movement modes of the children's rocking chair in the prior art. The device comprises a base, an annular plate, a mounting plate and two power shafts, wherein a swinging driving mechanism is arranged on the base, the two ends of each power shaft are hinged with a first connecting rod, and one end of each first connecting rod is connected with the annular plate through a first universal joint; the mounting plate is in sliding connection with the annular plate, a crank driving mechanism is arranged on the base, a driving end of the crank driving mechanism is hinged with a second connecting rod, and the second connecting rod is connected with the mounting plate through a second universal joint; the invention is suitable for rocking chairs, and can independently drive the rocking chair on an X axis, a Y axis and a Z axis, thereby realizing movement in 3 plane ranges and 3D space movement, adding 6 movement directions, realizing complex movement tracks, forming various movement modes and being better suitable for the use requirements of different children.

Description

Five-rod driving device and children rocking chair

Technical Field

The invention relates to the technical field of rocking chairs, in particular to a five-rod driving device and a child rocking chair.

Background

Child rocking chairs are intended to assist in sleeping a child by entertaining or soothing the child in a manner that mimics a parent or caretaker holding the infant in their arms and gently rocking the infant. Therefore, the more the movement track of the rocking chair for children is, the more the movement modes are, and the more the parents can select, so that the rocking chair for children can better adapt to the use requirements of different children.

The existing driving device of the rocking chair for children can only swing in a plane generally, namely only has the motion tracks in the Y direction and the Z direction, and has the problems of monotonous swing track, less motion modes and the like.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides a five-rod driving device and a children rocking chair, and solves the problems of monotonous swinging track and few movement modes of the current children rocking chair.

In order to solve the technical problems, the invention is realized by adopting the following technical scheme:

in one aspect, the present invention provides a five-bar drive apparatus comprising: the device comprises a base, an annular plate and a mounting plate, wherein two power shafts are rotatably connected to the base, the two power shafts are respectively in a shape structure and a shape structure, so that the two power shafts are arranged in a cross shape on a horizontal plane, a swing driving mechanism in transmission connection with the power shafts is arranged on the base and used for driving the power shafts to reciprocate, first connecting rods are hinged to two ends of the power shafts, one ends, far away from the power shafts, of the first connecting rods are connected with the annular plate through first universal joints, and the axes of the first connecting rods are parallel to each other;

the mounting plate is in sliding connection with the annular plate in the axial direction through the guide assembly, a crank driving mechanism is arranged on the base, a second connecting rod is hinged to the driving end of the crank driving mechanism, and one end, far away from the crank driving mechanism, of the second connecting rod is connected with the mounting plate through a second universal joint after penetrating through the annular plate and used for driving the mounting plate to lift.

Further, the swing driving mechanism includes: the rotary block is movably sleeved on the first swing rod.

Further, the swing driving mechanism further comprises: the two reset springs are symmetrically arranged on two sides of the second swing rod and are connected with the base, and the first swing rod and the second swing rod are arranged at two ends of the power shaft.

Further, the guide assembly is at least three groups and evenly distributed around the axis of the annular plate, the guide assembly comprises a guide rod arranged on the mounting plate and a guide sleeve arranged on the annular plate, and the guide sleeve is movably sleeved on the guide rod.

Further, the guide assembly further comprises: and the buffer spring is sleeved on the guide rod and is arranged between the annular plate and the mounting plate.

Further, the crank drive mechanism includes: the second motor is arranged on the base, the rotating shaft is rotationally connected between the side ends of the two driving blocks, one end of the driving block, which is far away from the rotating shaft, is fixedly connected with the output end of the second motor, the other end of the driving block, which is far away from the rotating shaft, is rotationally connected with the base, and the second connecting rod is hinged with the rotating shaft.

Further, one end of the first connecting rod, which is far away from the first universal joint, is fixedly connected with a first U-shaped block, a first mounting block is rotationally connected between adjacent inner side walls of the first U-shaped block, and the first mounting block is fixedly sleeved on the power shaft, so that the power shaft and the first connecting rod are hinged;

the one end rigid coupling that the second connecting rod kept away from the second universal joint has the second U type piece, rotate between the adjacent inside wall of second U type piece and be connected with the second installation piece, the fixed cover of second installation piece is located in the pivot to this realization pivot is articulated with the second connecting rod.

Further, the base includes: the base plate, the support plate and the return-type support are arranged on the base plate, and the two ends of the power shaft penetrate through the outer sides of the return-type support and are respectively connected with a support plate in a rotating mode, so that the base is connected with the power shaft in a rotating mode.

Further, the mounting seat is arranged on the inner side wall of the square support, a bearing is rotationally connected to the mounting seat, and the bearing is fixedly sleeved on the power shaft.

On the other hand, the invention provides a child rocking chair, which comprises the five-rod driving device.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the annular plate is driven to move in the X-axis direction through the first connecting rods which are arranged at two opposite angles, the annular plate is driven to move in the Y-axis direction through the first connecting rods which are arranged at the other two opposite angles, and finally, the mounting plate is driven to move in the Z-axis direction through the second connecting rods, so that the X-axis, the Y-axis and the Z-axis can be respectively and independently driven, the rocking chair can be controlled to realize the movement in the X-axis, the Y-axis and the Z-axis or the 3-plane range of the Y-axis, and the 3D space movement of the X-axis and the Y-axis and the Z-axis can be realized at the same time, and compared with the movement in the 1-plane range of the Y-axis and the Z-axis which can only be realized in the prior art, 6 movement directions are increased, so that complex movement tracks can be realized, and various movement modes can be formed, and the rocking chair can be better adapted to the use requirements of different children;

2. the invention can convert unidirectional rotation of the output end of the first motor into reciprocating rotation of the power shaft through the turntable, the rotating block and the first swing rod, has stable transmission, simple and compact structure and convenient installation and arrangement, and can avoid overload and promote the stability and fluency of the reciprocating rotation of the power shaft by sharing the acting force born by the swing driving mechanism by the second swing rod and the two return springs when the swing driving mechanism is driven partially;

3. according to the invention, the guide rods slide in the guide sleeves, so that the limit guide can be performed on the mounting plate in a mutually matched manner, the side turning or shaking of the mounting plate is prevented, and the buffer spring is used for supporting the mounting plate, so that the acting force born by the crank driving mechanism during partial driving can be shared, overload can be avoided, and the stability and fluency of the movement of the mounting plate in the Z-axis direction are improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

fig. 1 is a schematic structural diagram of a five-bar driving device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the base of the five-bar drive of FIG. 1;

FIG. 3 is a schematic diagram of the crank drive mechanism of the five-bar drive of FIG. 1;

FIG. 4 is a schematic view of the guide assembly of the five-bar drive of FIG. 1;

in the figure: 1. a base; 1a, a bottom plate; 1b, a supporting plate; 1c, a loop-shaped support; 1d, a mounting seat; 1e, a bearing; 2. an annular plate; 3. a mounting plate; 4. a power shaft; 5. a swing driving mechanism; 5a, a first motor; 5b, a turntable; 5c, rotating the block; 5d, a first swing rod; 5e, a second swing rod; 5f, a return spring; 6. a first link; 7. a first universal joint; 8. a guide assembly; 8a, a guide rod; 8b, a guide sleeve; 8c, a buffer spring; 9. a crank drive mechanism; 9a, a second motor; 9b, a rotating shaft; 9c, a driving block; 10. a second link; 11. a second universal joint; 12. a first U-shaped block; 13. a first mounting block; 14. a second U-shaped block; 15. and a second mounting block.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

Embodiment one:

as shown in fig. 1 to 4, an embodiment of the present invention provides a five-bar driving device, including: the annular plate comprises a base 1, an annular plate 2 and a mounting plate 3, wherein two power shafts 4 are rotatably connected to the base 1, and the two power shafts 4 are respectively in a shape structure and a shape structure, so that the annular plate is arranged in a cross shape on a horizontal plane. The base 1 is provided with a swinging driving mechanism 5 which is in transmission connection with the power shaft 4 and is used for driving the power shaft 4 to reciprocate, the two ends of the power shaft 4 are hinged with a first connecting rod 6, and one end, far away from the power shaft 4, of the first connecting rod 6 is connected with the annular plate 2 through a first universal joint 7.

It should be noted that, the swing driving mechanism 5 drives the power shaft 4 to rotate, the power shaft 4 drives the first connecting rods 6 hinged at two ends of the power shaft to swing, so that the two diagonally arranged first connecting rods 6 can drive the annular plate 2 to move in the X-axis direction, and the other two diagonally arranged first connecting rods 6 can drive the annular plate 2 to move in the Y-axis direction. Wherein, because the first connecting rod 6 is hinged with the power shaft 4, the radial swing is limited, the axial swing is not limited, and the first connecting rod 6 can swing randomly relative to the annular plate 2 through the first universal joint 7, the X-axis direction movement and the Y-axis direction movement of the annular plate 2 can be matched with each other and can be performed simultaneously.

It will be appreciated that, since the two power shafts 4 are arranged in a cross-like manner on a horizontal plane and the axes of the four first links 6 are parallel to each other, the annular plate 2 is supported in a quadrangular-like manner during operation, so that the annular plate 2 is always in a horizontal posture during movement.

The mounting plate 3 is in sliding connection with the annular plate 2 in the axial direction through the guide component 8, a crank driving mechanism 9 is arranged on the base 1, a second connecting rod 10 is hinged to the driving end of the crank driving mechanism 9, one end, away from the crank driving mechanism 9, of the second connecting rod 10 is connected with the mounting plate 3 through a second universal joint 11 after penetrating through the annular plate 2, and the mounting plate 3 is driven to lift.

Since the mounting plate 3 is limited by the guide assembly 8, the mounting plate 3 moves along with the annular plate 2 in the X-axis and Y-axis directions synchronously. In addition, the crank driving mechanism 9 can drive the mounting plate 3 to move through the second connecting rod 10 and the second universal joint 11, the mounting plate 3 moves along the axial direction of the annular plate 2, and the axial line of the annular plate 2 is always vertical because the annular plate 2 is always in a horizontal posture, so that the mounting plate 3 moves up and down, namely, moves along the Z-axis direction.

In sum, the mounting plate 3 can be driven on the X axis, the Y axis and the Z axis independently through the structure, so that the rocking chair can be controlled to realize the movement in the X direction, the Y direction and the Z direction or the 3 plane ranges of the Y direction and the Z direction, and can also realize the 3D space movement of the simultaneous movement in the X direction, the Y direction and the Z direction. Compared with the movement in the 1 plane range in the Y direction and the Z direction which can be realized only in the prior art, 6 movement directions are increased, and accordingly, a complex movement track can be realized, and various movement modes can be formed, so that the device can better adapt to the use requirements of different children.

As shown in fig. 1 and 2, in the present embodiment, the rocking drive mechanism 5 includes: the rotary table comprises a first motor 5a arranged on the base 1, a rotary table 5b arranged at the output end of the first motor 5a, a rotary block 5c rotatably connected to the side wall of the rotary table 5b, and a first swing rod 5d arranged on the circumferential outer wall of the power shaft 4, wherein the rotary block 5c is movably sleeved on the first swing rod 5 d.

When the rotary table is in operation, the first motor 5a drives the rotary table 5b to rotate, the rotary table 5b drives the rotary block 5c to do circular motion around the axis of the rotary block, the rotary block 5c slides up and down on the first swing rod 5d, so that the first swing rod 5d is driven to swing left and right, and the first swing rod 5d drives the power shaft 4 to do reciprocating rotation.

Through the arrangement, the unidirectional rotation of the output end of the first motor 5a can be converted into the reciprocating rotation of the power shaft 4, the transmission is stable, the structure is simple and compact, and the installation and the arrangement are convenient.

As shown in fig. 1 and 2, in the present embodiment, the rocking drive mechanism 5 further includes: the two return springs 5f are symmetrically arranged on two sides of the second swing rod 5e and are connected with the base 1, and the first swing rod 5d and the second swing rod 5e are arranged at two ends of the power shaft 4.

Specifically, the second swing rod 5e is fixedly sleeved with a connecting plate, the base 1 is provided with a rectangular plate, and through holes for hooking the reset spring 5f are formed in the connecting plate and the rectangular plate, so that the reset spring 5f can be conveniently disassembled and assembled, and the connection stability is improved.

When in work, the power shaft 4 drives the second swing rod 5e to swing left and right when in reciprocating rotation; when the second swing rod 5e swings to one side, the tension of the reset spring 5f at the other side is correspondingly increased, so that the second swing rod 5e is pulled to have a reset and swing trend.

It should be noted that, the first swing rod 5d and the second swing rod 5e are disposed at two ends of the power shaft 4, so that stress concentration can be reduced, the power shaft 4 is driven from two ends, and bearing capacity and structural stability are improved.

Through the arrangement, the acting force born by the swinging driving mechanism 5 during partial driving can be shared, overload can be avoided, and the stability and fluency of the reciprocating rotation of the power shaft 4 are improved.

As shown in fig. 3 and 4, the guide assemblies 8 are at least three groups and uniformly distributed around the axis of the annular plate 2, the guide assemblies 8 comprise guide rods 8a arranged on the mounting plate 3 and guide sleeves 8b arranged on the annular plate 2, and the guide sleeves 8b are movably sleeved on the guide rods 8 a.

Specifically, the guide sleeve 8b is of a convex structure, is arranged on the annular plate 2 in a penetrating manner and is connected through bolts, so that the installation stability is ensured,

during operation, the guide rods 8a slide in the guide sleeves 8b under the driving of the mounting plate 3, and the plurality of guide rods 8a cooperate to limit and guide the mounting plate 3, so that side turning or shaking of the mounting plate 3 is prevented.

As shown in fig. 3 and 4, the guide assembly 8 further includes: and a buffer spring 8c sleeved on the guide rod 8a, wherein the buffer spring 8c is arranged between the annular plate 2 and the mounting plate 3.

Specifically, the buffer spring 8c can support the mounting plate 3 after being compressed, so that the acting force born by the crank driving mechanism 9 during partial driving can be shared, overload can be avoided, and the stability and fluency of the movement of the mounting plate 3 in the Z-axis direction can be improved.

As shown in fig. 3 and 4, the crank drive mechanism 9 includes: the second motor 9a, the rotating shaft 9b and the two driving blocks 9c, wherein the second motor 9a is arranged on the base 1, the rotating shaft 9b is rotationally connected between the side ends of the two driving blocks 9c, one end of one driving block 9c, which is far away from the rotating shaft 9b, is fixedly connected with the output end of the second motor 9a, the other end of the other driving block 9c, which is far away from the rotating shaft 9b, is rotationally connected with the base 1, and the second connecting rod 10 is hinged with the rotating shaft 9 b.

When the device works, the second motor 9a drives a driving block 9c to rotate, the driving block 9c drives the rotating shaft 9b to do circular motion, and the rotating shaft 9b reciprocates and pushes the mounting plate 3 through the second connecting rod 10 and the second universal joint 11, so that the mounting plate 3 is driven to do Z-axis direction motion. And the other driving block 9c is rotatably connected with the base 1 and is used for supporting the rotating shaft 9b, so that stress concentration is reduced and bearing capacity is improved.

The upper end of the second link 10 is connected to the mounting plate 3 via the second universal joint 11, so that the upper end of the second link 10 can swing freely, while the lower end of the second link 10 is hinged to the rotating shaft 9b, the lower end of the second link 10 can swing freely because the rotating shaft 9b can rotate freely, and the crank driving mechanism 9, the second link 10 and the second universal joint 11 do not interfere with the movement of the mounting plate 3 in the X-axis and Y-axis directions.

In this embodiment, one end of the first connecting rod 6 far away from the first universal joint 7 is fixedly connected with a first U-shaped block 12, a first mounting block 13 is rotatably connected between adjacent inner side walls of the first U-shaped block 12, and the first mounting block 13 is fixedly sleeved on the power shaft 4, so that the power shaft 4 and the first connecting rod 6 are hinged.

Specifically, the two inner side walls of the first U-shaped block 12 are both rotationally connected with the first mounting block 13, which improves the connection stability of the power shaft 4 and the first connecting rod 6, and can also enable the axes of the power shaft 4 and the first connecting rod 6 to be arranged on the same plane, so that the controllability of the movement track can be improved.

In this embodiment, a second U-shaped block 14 is fixedly connected to one end of the second connecting rod 10 far away from the second universal joint 11, a second mounting block 15 is rotatably connected between adjacent inner side walls of the second U-shaped block 14, and the second mounting block 15 is fixedly sleeved on the rotating shaft 9b, so as to realize the hinge connection between the rotating shaft 9b and the second connecting rod 10.

Specifically, the two inner side walls of the second U-shaped block 14 are rotatably connected with the second mounting block 15, which improves the connection stability of the rotating shaft 9b and the second connecting rod 10, and can make the axes of the rotating shaft 9b and the second connecting rod 10 arranged on the same plane, so as to improve the controllability of the motion track.

As shown in fig. 2, in the present embodiment, the base 1 includes: the base plate 1a, the support plate 1b and the back-shaped support 1c are arranged on the base plate 1a, and two ends of the power shaft 4 penetrate through the outer sides of the back-shaped support 1c and are respectively connected with one support plate 1b in a rotating mode, so that the base 1 is connected with the power shaft 4 in a rotating mode.

Specifically, the supporting plate 1b is of an L-shaped structure and is fixedly arranged on the bottom plate 1a through bolts; the power shaft 4 is supported from both ends by the backup pad 1b, and the power shaft 4 is supported from the middle part by the back-up support 1c to this stress concentration of having avoided reduces the cracked probability of power shaft 4 in the course of the work, improves the structure steadiness.

In order to fully support the power shaft 4, the inner side wall of the square support 1c is provided with a mounting seat 1d, a bearing 1e is rotationally connected to the mounting seat 1d, and the bearing 1e is fixedly sleeved on the power shaft 4.

Specifically, the installation seat 1d is fixedly installed on the square support 1c through bolts, and the installation seat 1d is rotationally connected with the power shaft 4 through the bearing 1e, so that the rotating fluency can be improved while the support is stable.

Preferably, two risers are fixedly mounted on the top of the square support 1c, one for mounting the second motor 9a and the other for rotational connection with the driving block 9c, so as to improve the compactness of the device and facilitate assembly production.

Embodiment two:

the embodiment provides a child rocking chair, which comprises a five-rod driving device in the first embodiment.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.

Claims (10)

1. A five-bar drive, comprising: the device comprises a base (1), an annular plate (2) and a mounting plate (3), wherein two power shafts (4) are rotatably connected to the base (1), the two power shafts (4) are respectively in a cross-shaped structure and a table-shaped structure, the power shafts are arranged on a horizontal plane in a cross-shaped mode, a swing driving mechanism (5) in transmission connection with the power shafts (4) is arranged on the base (1) and used for driving the power shafts (4) to reciprocate, first connecting rods (6) are hinged to two ends of the power shafts (4), one ends, far away from the power shafts (4), of the first connecting rods (6) are connected with the annular plate (2) through first universal joints (7), and the axes of the first connecting rods (6) are parallel to each other;

the mounting plate (3) is in sliding connection with the annular plate (2) in the axial direction through the guide assembly (8), a crank driving mechanism (9) is arranged on the base (1), a second connecting rod (10) is hinged to the driving end of the crank driving mechanism (9), one end, far away from the crank driving mechanism (9), of the second connecting rod (10) is connected with the mounting plate (3) through a second universal joint (11) after penetrating through the annular plate (2) and used for driving the mounting plate (3) to lift.

2. Five-bar drive according to claim 1, characterized in that the wobble drive mechanism (5) comprises: the rotary table comprises a first motor (5 a) arranged on a base (1), a rotary table (5 b) arranged at the output end of the first motor (5 a), a rotary block (5 c) rotatably connected to the side wall of the rotary table (5 b) and a first swing rod (5 d) arranged on the circumferential outer wall of a power shaft (4), wherein the rotary block (5 c) is movably sleeved on the first swing rod (5 d).

3. The five-bar drive according to claim 2, wherein the wobble drive mechanism (5) further comprises: the two return springs (5 f) are symmetrically arranged on two sides of the second swing rod (5 e) and are connected with the base (1), and the first swing rod (5 d) and the second swing rod (5 e) are arranged at two ends of the power shaft (4).

4. The five-bar driving device according to claim 1, wherein the guide assemblies (8) are at least three groups and are uniformly distributed around the axis of the annular plate (2), the guide assemblies (8) comprise guide bars (8 a) arranged on the mounting plate (3) and guide sleeves (8 b) arranged on the annular plate (2), and the guide sleeves (8 b) are movably sleeved on the guide bars (8 a).

5. Five-bar drive according to claim 4, characterized in that the guide assembly (8) further comprises: and the buffer spring (8 c) is sleeved on the guide rod (8 a), and the buffer spring (8 c) is arranged between the annular plate (2) and the mounting plate (3).

6. Five-bar drive according to claim 1, characterized in that the crank drive (9) comprises: the device comprises a base (1), a second motor (9 a), a rotating shaft (9 b) and two driving blocks (9 c), wherein the second motor (9 a) is arranged on the base (1), the rotating shaft (9 b) is rotationally connected between the side ends of the two driving blocks (9 c), one end, far away from the rotating shaft (9 b), of the driving block (9 c) is fixedly connected with the output end of the second motor (9 a), the other end, far away from the rotating shaft (9 b), of the driving block (9 c) is rotationally connected with the base (1), and the second connecting rod (10) is hinged with the rotating shaft (9 b).

7. The five-rod driving device according to claim 6, wherein one end of the first connecting rod (6) far away from the first universal joint (7) is fixedly connected with a first U-shaped block (12), a first mounting block (13) is rotatably connected between adjacent inner side walls of the first U-shaped block (12), and the first mounting block (13) is fixedly sleeved on the power shaft (4) so as to realize the hinging of the power shaft (4) and the first connecting rod (6);

one end of the second connecting rod (10) far away from the second universal joint (11) is fixedly connected with a second U-shaped block (14), a second installation block (15) is rotationally connected between adjacent inner side walls of the second U-shaped block (14), and the second installation block (15) is fixedly sleeved on the rotating shaft (9 b) so as to realize the hinging of the rotating shaft (9 b) and the second connecting rod (10).

8. Five-bar drive according to claim 1, characterized in that the base (1) comprises: the base plate (1 a), the supporting plate (1 b) and the back-shaped support (1 c) are arranged on the base plate (1 a), and the two ends of the power shaft (4) penetrate through the outer sides of the back-shaped support (1 c) and are respectively connected with the supporting plate (1 b) in a rotating mode, so that the base (1) is connected with the power shaft (4) in a rotating mode.

9. The five-bar driving device according to claim 8, wherein a mounting seat (1 d) is arranged on the inner side wall of the square support (1 c), a bearing (1 e) is rotationally connected to the mounting seat (1 d), and the bearing (1 e) is fixedly sleeved on the power shaft (4).

10. A children's swing comprising a five bar drive as claimed in any one of claims 1 to 9.