Magnetic suspension baby center rocking chair

Abstract

The utility model relates to the field of rocking chairs, in particular to a magnetic suspension baby center rocking chair which comprises a base, an inner cylinder, a rotary supporting column, a first magnet, a second magnet and a lying support. The inner cylinder is vertically arranged at the center of the base; the rotating supporting column is inserted into the inner cylinder from the top of the inner cylinder, at least two bearings are arranged between the rotating supporting column and the inner cylinder, and the bearings are fixed to the rotating supporting column; the first magnet and the second magnet are arranged below the rotary supporting column, the first magnet is arranged above the second magnet, like magnetic poles of the first magnet and the second magnet are oppositely arranged, and the first magnet is suspended under the repulsion effect of the like magnetic poles and abuts against a bearing on the lowermost portion of the rotary supporting column so as to drive the rotary supporting column to be suspended. Therefore, the bottom does not rotate in a contact mode, and the device has the advantages of being low in noise, small in resistance and long in service life. Meanwhile, the rotary supporting column is located in the dead center of the base, so that stability is more reliable and safer.

Description

Technical Field

[0001] The utility model relates to the field of rocking chairs, in particular to a magnetic suspension baby central rocking chair. Background Art

[0002] A children's rocking chair is a children's chair, which is designed to make children feel comfortable through the rocking effect of the chair and help them fall asleep. Its common structure can refer to a rocking chair disclosed in CN115039991A. Figure 1 Disclosed is a rocking chair which is rotated around a vertical line through a rotating mechanism.

[0003] As mentioned above, the rocking chair that rotates around a vertical line needs to be improved in that: its rotating structure is a fixed rotation, which has the problems of loud noise, high resistance and short service life; the center is on the side, the force is too biased, and the stability needs to be improved. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a magnetic suspension baby center rocking chair, and the specific technical solution is:

[0005] A magnetic suspension baby center rocking chair, comprising a base, an inner cylinder, a rotating support, a first magnet, a second magnet, and a sleeping support;

[0006] The inner cylinder is erected at the center of the base;

[0007] The rotating support is inserted into the inner cylinder from the top of the inner cylinder, and at least two bearings are provided between the rotating support and the inner cylinder, and the bearings are fixed on the rotating support;

[0008] The magnet 1 and the magnet 2 are below the rotating support, the magnet 1 is above the magnet 2, the like magnetic poles of the magnet 1 and the magnet 2 are arranged opposite to each other, the magnet 1 is suspended in the air and abuts against the bearing at the bottom of the rotating support under the repulsive effect of the like magnetic poles, thereby driving the rotating support to be suspended in the air;

[0009] The sleeping support is fixed above the rotating support column.

[0010] Furthermore, magnet one and magnet two are both annular, a set of magnets is arranged below the rotating pillar, the bottom end of the rotating pillar passes through magnet one and is arranged in a hemispherical shape, there is a bottom magnet tray below magnet two, and there is a concave hemispherical groove in the center of the bottom magnet tray, when the pressure applied to the rotating pillar is greater than the repulsive force between magnet one and magnet two, the bottom end of the rotating pillar passes through magnet two and is carried in the hemispherical groove of the bottom magnet tray.

[0011] Furthermore, the upper end of the rotating pillar passes through the inner cylinder, and a motor bracket is fixed to the outside of the upper end, a motor is installed on the motor bracket, a rotating crankshaft is installed on the main shaft of the motor, a crank fixing part is fixed to the outside of the inner cylinder, a rotating crank is provided between the crank fixing part and the rotating crankshaft, and two ends of the rotating crank are respectively pivotally connected to the rotating crankshaft and the crank fixing part.

[0012] Furthermore, the sleeping support includes an elliptical steel pipe and an arc-shaped steel pipe, the arc-shaped steel pipe is connected to two end points of the long axis of the elliptical steel pipe, and a connecting rod is provided at the bottom of the center position of the arc-shaped steel pipe, and the connecting rod is fixed to the rotating support.

[0013] As an optional mode, the sleeping support can also include a rectangular steel pipe support, and a connecting rod is provided at the bottom of the center position of the steel pipe support, and the connecting rod is fixed to the rotating support.

[0014] Furthermore, the steel pipe support includes a fixed frame and a movable frame folded and installed on the fixed frame.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Because there are magnets 1 and 2 under the rotating pillar, the rotating pillar can be suspended in the air due to the repulsion of like charges, so that the bottom does not touch the rotation, making it have the advantages of low noise, small resistance and long service life;

[0017] 2. The rotating support is in the center of the base, which is more stable and safer.

[0018] 3. There are two types of sleeping supports, which can be used for infants and young children as well as adults. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 Yes, a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 yes Figure 2 A magnified view of some parts in the figure;

[0022] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of some components of the utility model;

[0023] Figure 5 and Figure 6 It is a schematic diagram of the structure of the relevant components driving the sleeping and lying support to swing in the utility model at different viewing angles;

[0024] Figure 7 It is a structural schematic diagram of another embodiment of the sleeping and lying support of the utility model;

[0025] Explanation of the reference numerals: base 1, inner cylinder 2, rotating support 3, magnet one 4, magnet two 5, sleeping bracket 6, bearing 7, bottom magnet tray 8, motor bracket 9, motor 10, rotating crankshaft 11, crank fixing 12, rotating crank 13, cylindrical cover 14, upper cover 15, circular base bracket 16, elliptical steel pipe 17, arc steel pipe 18, connecting rod 19, fixed frame 20a, movable frame 20b, supporting frame 20c, cross bar 20d, connecting rod 20e, triangular plate 20f, upper magnet cover 21. DETAILED DESCRIPTION

[0026] The utility model is now further described with reference to the accompanying drawings.

[0027] Reference Figure 1-6 The utility model shown in the figure provides a magnetic suspension baby center rocking chair, comprising a base 1, an inner cylinder 2, a rotating support 3, a magnet 1 4, a magnet 2 5, and a sleeping support 6;

[0028] The inner cylinder 2 is erected at the center of the base 1;

[0029] The rotating support 3 is inserted into the inner cylinder 2 from the top of the inner cylinder 2, and at least two bearings 7 are provided between the rotating support 3 and the inner cylinder 2, and the bearings 7 are fixed on the rotating support 3;

[0030] The magnet 1 4 and the magnet 2 5 are below the rotating support 3, and the magnet 1 4 is above the magnet 2 5. The like magnetic poles of the magnet 1 4 and the magnet 2 5 are arranged opposite to each other. The magnet 1 4 is suspended in the air and abuts against the bearing 7 at the bottom of the rotating support 3 under the repulsive effect of the like magnetic poles, thereby driving the rotating support 3 to be suspended in the air;

[0031] The sleeping support 6 is fixed above the rotating support 3 .

[0032] The principle of the magnetic levitation baby center rocking chair is: when the infant lies on the sleeping support 6, the pressure on the sleeping support 6 is transmitted to the rotating support 3 along the axial direction. Because there are magnets 1 4 and 2 5 under the rotating support 3, the magnet 1 4 is suspended in the air and rests on the bearing 7 under the rotating support frame due to the effect of like charges repelling each other, thereby driving the rotating support 3 to be suspended in the air, so that the bottom does not rotate in contact, making it have the advantages of low noise, small resistance and long life; and the rotating support 3 is in the center, so the stability is more reliable and safer.

[0033] As a preferred embodiment, an upper magnet cover 21 is provided between the magnet 4 and the bearing 7 below the rotating support 3, the purpose of which is to prevent the magnet 4 from directly contacting the bearing 7.

[0034] As a preferred embodiment, magnet 1 4 and magnet 2 5 are both annular, magnet 1 4 is sleeved under the rotating pillar 3, the bottom end of the rotating pillar 3 passes through magnet 1 4 and is set to a hemispherical shape, and there is a bottom magnet tray 8 under magnet 2 5, which is welded to the inner wall of the inner cylinder 2, and the center of the bottom magnet tray 8 has a concave hemispherical groove. When the sleeping bracket 6 is overloaded, the pressure on the rotating pillar 3 is greater than the repulsive force between magnet 1 4 and magnet 2 5, and the bottom end of the rotating pillar 3 passes through magnet 2 5 and is carried in the hemispherical groove of the bottom magnet tray 8, so as to avoid impact on magnet 1 4 and magnet 2 5.

[0035] As a preferred embodiment, the upper end of the rotating pillar 3 passes through the inner cylinder 2, and a motor bracket 9 is fixed to the outside of the upper end, a motor 10 is installed on the motor bracket 9, a rotating crankshaft 11 is installed on the main shaft of the motor 10, and a crank fixing part 12 is fixed to the outside of the inner cylinder 2, a rotating crank 13 is provided between the crank fixing part 12 and the rotating crankshaft 11, and the two ends of the rotating crank 13 are respectively pivoted to the rotating crankshaft 11 and the crank fixing part 12; under the drive of the motor 10, through the action of the rotating crankshaft 11 and the rotating crank 13, the rotating pillar 3 is made to swing back and forth relative to the inner cylinder 2, thereby driving the sleeping support 6 to realize automatic swinging.

[0036] As a preferred embodiment, on the base 1, a cylindrical cover 14 is arranged outside the inner cylinder 2 to cover the inner cylinder 2 and components such as the motor 10, and an upper cover 15 is arranged on the top of the cylindrical cover 14 to seal it, so as to achieve the effect of aesthetics and safety protection.

[0037] As a preferred embodiment, the cylindrical cover 14 is provided with a circular base bracket 16 outside, which is welded and fixed to the cylindrical cover 14 and can cooperate with the base 1 to expand the overall ground contact area and increase stability.

[0038] As a preferred embodiment, the sleeping support 6 includes an elliptical steel tube 17 and an arc-shaped steel tube 18, and the arc-shaped steel tube 18 is connected to the two end points of the long axis of the elliptical steel tube 17. There is a connecting rod 19 at the bottom of the center position of the arc-shaped steel tube 18, and the connecting rod 19 is fixed to the rotating pillar 3; an egg-shaped sleeping space is formed between the elliptical steel tube 17 and the arc-shaped steel tube 18, and a flexible cushion layer is wrapped in the sleeping space. The flexible cushion layer can be a thin product made of woven mesh, sponge, cotton cloth and other materials. Its wrapping or how it is fixed in the sleeping space is an existing technology, so it will not be elaborated.

[0039] As another embodiment of the sleeping support 6, refer to Figure 7The sleeping support 6 includes a rectangular steel tube support, and a connecting rod 19 is provided at the bottom of the center of the steel tube support, and the connecting rod 19 is fixed to the rotating support 3; a rectangular sleeping space is formed in the middle of the steel tube support, and its main function is to make it suitable for adults to sleep, and a flexible cushion layer is also wrapped in the sleeping space.

[0040] On this basis, the steel pipe bracket includes a fixed frame 20a and a movable frame 20b folded and installed on the fixed frame 20a. Specifically, the steel pipe bracket is arranged as a whole in an inclined manner, and the movable frame 20b is pivotally connected to the bottom of the fixed frame 20a. There is a support frame 20c at the lower end of the pivot point of the fixed frame 20a. The movable frame 20b can be rotated and opened to be mounted on the support frame 20c and maintain a straight line with the fixed frame 20a; the fixed frame 20a serves as the main load-bearing frame, and has two spaced-apart cross bars 20d at its bottom, and two V-shaped connecting rods 20e are arranged between the two cross bars 20d for evenly transferring the load to a position, that is, the middle position of the lower cross bar 20d, which is also the connection position of the connecting rod 19, which will make the overall structure less likely to deform. At the same time, there are two triangular plates 20f between the connecting rod 19 and the lower cross bar 20d to increase the force-bearing area.

[0041] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the claims of the present invention.

Claims

1. A magnetic suspension baby center rocking chair, characterized in that: It comprises a base (1), an inner cylinder (2), a rotating support (3), a first magnet (4), a second magnet (5), and a sleeping support (6); The inner cylinder (2) is erected at the center of the base (1); The rotating support (3) is inserted into the inner cylinder (2) from the top of the inner cylinder (2), and at least two bearings (7) are provided between the rotating support (3) and the inner cylinder (2), and the bearings (7) are fixed on the rotating support (3); The magnet one (4) and the magnet two (5) are located below the rotating support (3), the magnet one (4) is located above the magnet two (5), the like magnetic poles of the magnet one (4) and the magnet two (5) are arranged opposite to each other, and the magnet one (4) is suspended in the air and abuts against the bearing (7) at the bottom of the rotating support (3) under the repulsive effect of the like magnetic poles, thereby driving the rotating support (3) to be suspended in the air; The sleeping support (6) is fixed above the rotating support (3).

2. The magnetic suspension baby center rocking chair according to claim 1, characterized in that: The first magnet (4) and the second magnet (5) are both annular. The first magnet (4) is sleeved under the rotating pillar (3). The bottom end of the rotating pillar (3) passes through the first magnet (4) and is set to be hemispherical. There is a bottom magnet tray (8) under the second magnet (5). The center of the bottom magnet tray (8) has a concave hemispherical groove. When the pressure on the rotating pillar (3) is greater than the repulsive force between the first magnet (4) and the second magnet (5), the bottom end of the rotating pillar (3) passes through the second magnet (5) and is carried in the hemispherical groove of the bottom magnet tray (8).

3. The magnetic suspension baby center rocking chair according to claim 1, characterized in that: The upper end of the rotating support (3) passes through the inner cylinder (2), and a motor bracket (9) is fixed to the outside of the upper end, a motor (10) is installed on the motor bracket (9), a rotating crankshaft (11) is installed on the main shaft of the motor (10), a crank fixing member (12) is fixed to the outside of the inner cylinder (2), a rotating crank (13) is provided between the crank fixing member (12) and the rotating crankshaft (11), and two ends of the rotating crank (13) are respectively pivotally connected to the rotating crankshaft (11) and the crank fixing member (12).

4. The magnetic suspension baby center rocking chair according to claim 1, characterized in that: The sleeping support (6) comprises an elliptical steel pipe (17) and an arc-shaped steel pipe (18), wherein the arc-shaped steel pipe (18) is connected to two end points of the long axis of the elliptical steel pipe (17), and a connecting rod (19) is provided at the bottom of the center position of the arc-shaped steel pipe (18), and the connecting rod (19) is fixed to the rotating support (3).

5. The magnetic suspension baby center rocking chair according to claim 1, characterized in that: The sleeping support (6) comprises a rectangular steel pipe support, and a connecting rod (19) is provided at the bottom of the center of the steel pipe support, and the connecting rod (19) is fixed to the rotating support (3).

6. The magnetic suspension baby center rocking chair according to claim 5, characterized in that: The steel pipe support comprises a fixed frame (20a) and a movable frame (20b) folded and mounted on the fixed frame (20a).

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